From fbda76d8fe9c45150f20d41a1f49b988bc7e4c3d Mon Sep 17 00:00:00 2001 From: cfif Date: Tue, 11 Mar 2025 12:05:56 +0300 Subject: [PATCH] =?UTF-8?q?=D0=9F=D0=B5=D1=80=D0=B5=D1=85=D0=BE=D0=B4=20?= =?UTF-8?q?=D0=B2=20=D0=BD=D0=BE=D0=B2=D1=83=D1=8E=20=D0=BE=D1=80=D0=B3?= =?UTF-8?q?=D0=B0=D0=BD=D0=B8=D0=B7=D0=B0=D1=86=D0=B8=D1=8E?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- gd32f4xx.h | 368 ++++++++++++ modular.json | 11 + startup_gd32f450_470.s | 409 ++++++++++++++ startup_gd32f450_470.s_ | 454 +++++++++++++++ system_gd32f4xx.c | 1169 +++++++++++++++++++++++++++++++++++++++ system_gd32f4xx.h | 58 ++ 6 files changed, 2469 insertions(+) create mode 100755 gd32f4xx.h create mode 100755 modular.json create mode 100755 startup_gd32f450_470.s create mode 100755 startup_gd32f450_470.s_ create mode 100755 system_gd32f4xx.c create mode 100755 system_gd32f4xx.h diff --git a/gd32f4xx.h b/gd32f4xx.h new file mode 100755 index 0000000..832fa1d --- /dev/null +++ b/gd32f4xx.h @@ -0,0 +1,368 @@ +/*! + \file gd32f4xx.h + \brief general definitions for GD32F4xx + + \version 2016-08-15, V1.0.0, firmware for GD32F4xx + \version 2018-12-12, V2.0.0, firmware for GD32F4xx + \version 2020-09-30, V2.1.0, firmware for GD32F4xx +*/ + +/* + Copyright (c) 2020, GigaDevice Semiconductor Inc. + + Redistribution and use in source and binary forms, with or without modification, +are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + 3. Neither the name of the copyright holder nor the names of its contributors + may be used to endorse or promote products derived from this software without + specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY +OF SUCH DAMAGE. +*/ + +#ifndef GD32F4XX_H +#define GD32F4XX_H + +#ifdef __cplusplus + extern "C" { +#endif + +/* define GD32F4xx */ +#if !defined (GD32F450) && !defined (GD32F405) && !defined (GD32F407) && !defined (GD32F470) && !defined (GD32F425) && !defined (GD32F427) + #define GD32F450 + /* #define GD32F405 */ + /* #define GD32F407 */ + /* #define GD32F470 */ + /* #define GD32F425 */ + /* #define GD32F427 */ +#endif /* define GD32F4xx */ + +#if !defined (GD32F450) && !defined (GD32F405) && !defined (GD32F407) && !defined (GD32F470) && !defined (GD32F425) && !defined (GD32F427) + #error "Please select the target GD32F4xx device in gd32f4xx.h file" +#endif /* undefine GD32F4xx tip */ + +/* define value of high speed crystal oscillator (HXTAL) in Hz */ +#if !defined (HXTAL_VALUE) +#define HXTAL_VALUE ((uint32_t)25000000) +#endif /* high speed crystal oscillator value */ + +/* define startup timeout value of high speed crystal oscillator (HXTAL) */ +#if !defined (HXTAL_STARTUP_TIMEOUT) +#define HXTAL_STARTUP_TIMEOUT ((uint16_t)0xFFFF) +#endif /* high speed crystal oscillator startup timeout */ + +/* define value of internal 16MHz RC oscillator (IRC16M) in Hz */ +#if !defined (IRC16M_VALUE) +#define IRC16M_VALUE ((uint32_t)16000000) +#endif /* internal 16MHz RC oscillator value */ + +/* define startup timeout value of internal 16MHz RC oscillator (IRC16M) */ +#if !defined (IRC16M_STARTUP_TIMEOUT) +#define IRC16M_STARTUP_TIMEOUT ((uint16_t)0x0500) +#endif /* internal 16MHz RC oscillator startup timeout */ + +/* define value of internal 32KHz RC oscillator(IRC32K) in Hz */ +#if !defined (IRC32K_VALUE) +#define IRC32K_VALUE ((uint32_t)32000) +#endif /* internal 32KHz RC oscillator value */ + +/* define value of low speed crystal oscillator (LXTAL)in Hz */ +#if !defined (LXTAL_VALUE) +#define LXTAL_VALUE ((uint32_t)32768) +#endif /* low speed crystal oscillator value */ + +/* I2S external clock in selection */ +//#define I2S_EXTERNAL_CLOCK_IN (uint32_t)12288000U + +/* GD32F4xx firmware library version number V1.0 */ +#define __GD32F4xx_STDPERIPH_VERSION_MAIN (0x03) /*!< [31:24] main version */ +#define __GD32F4xx_STDPERIPH_VERSION_SUB1 (0x00) /*!< [23:16] sub1 version */ +#define __GD32F4xx_STDPERIPH_VERSION_SUB2 (0x00) /*!< [15:8] sub2 version */ +#define __GD32F4xx_STDPERIPH_VERSION_RC (0x00) /*!< [7:0] release candidate */ +#define __GD32F4xx_STDPERIPH_VERSION ((__GD32F4xx_STDPERIPH_VERSION_MAIN << 24)\ + |(__GD32F4xx_STDPERIPH_VERSION_SUB1 << 16)\ + |(__GD32F4xx_STDPERIPH_VERSION_SUB2 << 8)\ + |(__GD32F4xx_STDPERIPH_VERSION_RC)) + +/* configuration of the cortex-M4 processor and core peripherals */ +#define __CM4_REV 0x0001 /*!< core revision r0p1 */ +#define __MPU_PRESENT 1 /*!< GD32F4xx provide MPU */ +#define __NVIC_PRIO_BITS 4 /*!< GD32F4xx uses 4 bits for the priority levels */ +#define __Vendor_SysTickConfig 0 /*!< set to 1 if different sysTick config is used */ +#define __FPU_PRESENT 1 /*!< FPU present */ +/* define interrupt number */ +typedef enum IRQn +{ + /* cortex-M4 processor exceptions numbers */ + NonMaskableInt_IRQn = -14, /*!< 2 non maskable interrupt */ + MemoryManagement_IRQn = -12, /*!< 4 cortex-M4 memory management interrupt */ + BusFault_IRQn = -11, /*!< 5 cortex-M4 bus fault interrupt */ + UsageFault_IRQn = -10, /*!< 6 cortex-M4 usage fault interrupt */ + SVCall_IRQn = -5, /*!< 11 cortex-M4 SV call interrupt */ + DebugMonitor_IRQn = -4, /*!< 12 cortex-M4 debug monitor interrupt */ + PendSV_IRQn = -2, /*!< 14 cortex-M4 pend SV interrupt */ + SysTick_IRQn = -1, /*!< 15 cortex-M4 system tick interrupt */ + /* interruput numbers */ + WWDGT_IRQn = 0, /*!< window watchdog timer interrupt */ + LVD_IRQn = 1, /*!< LVD through EXTI line detect interrupt */ + TAMPER_STAMP_IRQn = 2, /*!< tamper and timestamp through EXTI line detect */ + RTC_WKUP_IRQn = 3, /*!< RTC wakeup through EXTI line interrupt */ + FMC_IRQn = 4, /*!< FMC interrupt */ + RCU_CTC_IRQn = 5, /*!< RCU and CTC interrupt */ + EXTI0_IRQn = 6, /*!< EXTI line 0 interrupts */ + EXTI1_IRQn = 7, /*!< EXTI line 1 interrupts */ + EXTI2_IRQn = 8, /*!< EXTI line 2 interrupts */ + EXTI3_IRQn = 9, /*!< EXTI line 3 interrupts */ + EXTI4_IRQn = 10, /*!< EXTI line 4 interrupts */ + DMA0_Channel0_IRQn = 11, /*!< DMA0 channel0 Interrupt */ + DMA0_Channel1_IRQn = 12, /*!< DMA0 channel1 Interrupt */ + DMA0_Channel2_IRQn = 13, /*!< DMA0 channel2 interrupt */ + DMA0_Channel3_IRQn = 14, /*!< DMA0 channel3 interrupt */ + DMA0_Channel4_IRQn = 15, /*!< DMA0 channel4 interrupt */ + DMA0_Channel5_IRQn = 16, /*!< DMA0 channel5 interrupt */ + DMA0_Channel6_IRQn = 17, /*!< DMA0 channel6 interrupt */ + ADC_IRQn = 18, /*!< ADC interrupt */ + CAN0_TX_IRQn = 19, /*!< CAN0 TX interrupt */ + CAN0_RX0_IRQn = 20, /*!< CAN0 RX0 interrupt */ + CAN0_RX1_IRQn = 21, /*!< CAN0 RX1 interrupt */ + CAN0_EWMC_IRQn = 22, /*!< CAN0 EWMC interrupt */ + EXTI5_9_IRQn = 23, /*!< EXTI[9:5] interrupts */ + TIMER0_BRK_TIMER8_IRQn = 24, /*!< TIMER0 break and TIMER8 interrupts */ + TIMER0_UP_TIMER9_IRQn = 25, /*!< TIMER0 update and TIMER9 interrupts */ + TIMER0_TRG_CMT_TIMER10_IRQn = 26, /*!< TIMER0 trigger and commutation and TIMER10 interrupts */ + TIMER0_Channel_IRQn = 27, /*!< TIMER0 channel capture compare interrupt */ + TIMER1_IRQn = 28, /*!< TIMER1 interrupt */ + TIMER2_IRQn = 29, /*!< TIMER2 interrupt */ + TIMER3_IRQn = 30, /*!< TIMER3 interrupts */ + I2C0_EV_IRQn = 31, /*!< I2C0 event interrupt */ + I2C0_ER_IRQn = 32, /*!< I2C0 error interrupt */ + I2C1_EV_IRQn = 33, /*!< I2C1 event interrupt */ + I2C1_ER_IRQn = 34, /*!< I2C1 error interrupt */ + SPI0_IRQn = 35, /*!< SPI0 interrupt */ + SPI1_IRQn = 36, /*!< SPI1 interrupt */ + USART0_IRQn = 37, /*!< USART0 interrupt */ + USART1_IRQn = 38, /*!< USART1 interrupt */ + USART2_IRQn = 39, /*!< USART2 interrupt */ + EXTI10_15_IRQn = 40, /*!< EXTI[15:10] interrupts */ + RTC_Alarm_IRQn = 41, /*!< RTC alarm interrupt */ + USBFS_WKUP_IRQn = 42, /*!< USBFS wakeup interrupt */ + TIMER7_BRK_TIMER11_IRQn = 43, /*!< TIMER7 break and TIMER11 interrupts */ + TIMER7_UP_TIMER12_IRQn = 44, /*!< TIMER7 update and TIMER12 interrupts */ + TIMER7_TRG_CMT_TIMER13_IRQn = 45, /*!< TIMER7 trigger and commutation and TIMER13 interrupts */ + TIMER7_Channel_IRQn = 46, /*!< TIMER7 channel capture compare interrupt */ + DMA0_Channel7_IRQn = 47, /*!< DMA0 channel7 interrupt */ + +#if defined (GD32F450) || defined (GD32F470) + EXMC_IRQn = 48, /*!< EXMC interrupt */ + SDIO_IRQn = 49, /*!< SDIO interrupt */ + TIMER4_IRQn = 50, /*!< TIMER4 interrupt */ + SPI2_IRQn = 51, /*!< SPI2 interrupt */ + UART3_IRQn = 52, /*!< UART3 interrupt */ + UART4_IRQn = 53, /*!< UART4 interrupt */ + TIMER5_DAC_IRQn = 54, /*!< TIMER5 and DAC0 DAC1 underrun error interrupts */ + TIMER6_IRQn = 55, /*!< TIMER6 interrupt */ + DMA1_Channel0_IRQn = 56, /*!< DMA1 channel0 interrupt */ + DMA1_Channel1_IRQn = 57, /*!< DMA1 channel1 interrupt */ + DMA1_Channel2_IRQn = 58, /*!< DMA1 channel2 interrupt */ + DMA1_Channel3_IRQn = 59, /*!< DMA1 channel3 interrupt */ + DMA1_Channel4_IRQn = 60, /*!< DMA1 channel4 interrupt */ + ENET_IRQn = 61, /*!< ENET interrupt */ + ENET_WKUP_IRQn = 62, /*!< ENET wakeup through EXTI line interrupt */ + CAN1_TX_IRQn = 63, /*!< CAN1 TX interrupt */ + CAN1_RX0_IRQn = 64, /*!< CAN1 RX0 interrupt */ + CAN1_RX1_IRQn = 65, /*!< CAN1 RX1 interrupt */ + CAN1_EWMC_IRQn = 66, /*!< CAN1 EWMC interrupt */ + USBFS_IRQn = 67, /*!< USBFS interrupt */ + DMA1_Channel5_IRQn = 68, /*!< DMA1 channel5 interrupt */ + DMA1_Channel6_IRQn = 69, /*!< DMA1 channel6 interrupt */ + DMA1_Channel7_IRQn = 70, /*!< DMA1 channel7 interrupt */ + USART5_IRQn = 71, /*!< USART5 interrupt */ + I2C2_EV_IRQn = 72, /*!< I2C2 event interrupt */ + I2C2_ER_IRQn = 73, /*!< I2C2 error interrupt */ + USBHS_EP1_Out_IRQn = 74, /*!< USBHS endpoint 1 out interrupt */ + USBHS_EP1_In_IRQn = 75, /*!< USBHS endpoint 1 in interrupt */ + USBHS_WKUP_IRQn = 76, /*!< USBHS wakeup through EXTI line interrupt */ + USBHS_IRQn = 77, /*!< USBHS interrupt */ + DCI_IRQn = 78, /*!< DCI interrupt */ + TRNG_IRQn = 80, /*!< TRNG interrupt */ + FPU_IRQn = 81, /*!< FPU interrupt */ + UART6_IRQn = 82, /*!< UART6 interrupt */ + UART7_IRQn = 83, /*!< UART7 interrupt */ + SPI3_IRQn = 84, /*!< SPI3 interrupt */ + SPI4_IRQn = 85, /*!< SPI4 interrupt */ + SPI5_IRQn = 86, /*!< SPI5 interrupt */ + TLI_IRQn = 88, /*!< TLI interrupt */ + TLI_ER_IRQn = 89, /*!< TLI error interrupt */ + IPA_IRQn = 90, /*!< IPA interrupt */ +#endif /* GD32F450 and GD32F470 */ + +#if defined (GD32F405) || defined (GD32F425) + SDIO_IRQn = 49, /*!< SDIO interrupt */ + TIMER4_IRQn = 50, /*!< TIMER4 interrupt */ + SPI2_IRQn = 51, /*!< SPI2 interrupt */ + UART3_IRQn = 52, /*!< UART3 interrupt */ + UART4_IRQn = 53, /*!< UART4 interrupt */ + TIMER5_DAC_IRQn = 54, /*!< TIMER5 and DAC0 DAC1 underrun error interrupts */ + TIMER6_IRQn = 55, /*!< TIMER6 interrupt */ + DMA1_Channel0_IRQn = 56, /*!< DMA1 channel0 interrupt */ + DMA1_Channel1_IRQn = 57, /*!< DMA1 channel1 interrupt */ + DMA1_Channel2_IRQn = 58, /*!< DMA1 channel2 interrupt */ + DMA1_Channel3_IRQn = 59, /*!< DMA1 channel3 interrupt */ + DMA1_Channel4_IRQn = 60, /*!< DMA1 channel4 interrupt */ + CAN1_TX_IRQn = 63, /*!< CAN1 TX interrupt */ + CAN1_RX0_IRQn = 64, /*!< CAN1 RX0 interrupt */ + CAN1_RX1_IRQn = 65, /*!< CAN1 RX1 interrupt */ + CAN1_EWMC_IRQn = 66, /*!< CAN1 EWMC interrupt */ + USBFS_IRQn = 67, /*!< USBFS interrupt */ + DMA1_Channel5_IRQn = 68, /*!< DMA1 channel5 interrupt */ + DMA1_Channel6_IRQn = 69, /*!< DMA1 channel6 interrupt */ + DMA1_Channel7_IRQn = 70, /*!< DMA1 channel7 interrupt */ + USART5_IRQn = 71, /*!< USART5 interrupt */ + I2C2_EV_IRQn = 72, /*!< I2C2 event interrupt */ + I2C2_ER_IRQn = 73, /*!< I2C2 error interrupt */ + USBHS_EP1_Out_IRQn = 74, /*!< USBHS endpoint 1 Out interrupt */ + USBHS_EP1_In_IRQn = 75, /*!< USBHS endpoint 1 in interrupt */ + USBHS_WKUP_IRQn = 76, /*!< USBHS wakeup through EXTI line interrupt */ + USBHS_IRQn = 77, /*!< USBHS interrupt */ + DCI_IRQn = 78, /*!< DCI interrupt */ + TRNG_IRQn = 80, /*!< TRNG interrupt */ + FPU_IRQn = 81, /*!< FPU interrupt */ +#endif /* GD32F405 and GD32F425 */ + +#if defined (GD32F407) || defined (GD32F427) + EXMC_IRQn = 48, /*!< EXMC interrupt */ + SDIO_IRQn = 49, /*!< SDIO interrupt */ + TIMER4_IRQn = 50, /*!< TIMER4 interrupt */ + SPI2_IRQn = 51, /*!< SPI2 interrupt */ + UART3_IRQn = 52, /*!< UART3 interrupt */ + UART4_IRQn = 53, /*!< UART4 interrupt */ + TIMER5_DAC_IRQn = 54, /*!< TIMER5 and DAC0 DAC1 underrun error interrupts */ + TIMER6_IRQn = 55, /*!< TIMER6 interrupt */ + DMA1_Channel0_IRQn = 56, /*!< DMA1 channel0 interrupt */ + DMA1_Channel1_IRQn = 57, /*!< DMA1 channel1 interrupt */ + DMA1_Channel2_IRQn = 58, /*!< DMA1 channel2 interrupt */ + DMA1_Channel3_IRQn = 59, /*!< DMA1 channel3 interrupt */ + DMA1_Channel4_IRQn = 60, /*!< DMA1 channel4 interrupt */ + ENET_IRQn = 61, /*!< ENET interrupt */ + ENET_WKUP_IRQn = 62, /*!< ENET wakeup through EXTI line interrupt */ + CAN1_TX_IRQn = 63, /*!< CAN1 TX interrupt */ + CAN1_RX0_IRQn = 64, /*!< CAN1 RX0 interrupt */ + CAN1_RX1_IRQn = 65, /*!< CAN1 RX1 interrupt */ + CAN1_EWMC_IRQn = 66, /*!< CAN1 EWMC interrupt */ + USBFS_IRQn = 67, /*!< USBFS interrupt */ + DMA1_Channel5_IRQn = 68, /*!< DMA1 channel5 interrupt */ + DMA1_Channel6_IRQn = 69, /*!< DMA1 channel6 interrupt */ + DMA1_Channel7_IRQn = 70, /*!< DMA1 channel7 interrupt */ + USART5_IRQn = 71, /*!< USART5 interrupt */ + I2C2_EV_IRQn = 72, /*!< I2C2 event interrupt */ + I2C2_ER_IRQn = 73, /*!< I2C2 error interrupt */ + USBHS_EP1_Out_IRQn = 74, /*!< USBHS endpoint 1 out interrupt */ + USBHS_EP1_In_IRQn = 75, /*!< USBHS endpoint 1 in interrupt */ + USBHS_WKUP_IRQn = 76, /*!< USBHS wakeup through EXTI line interrupt */ + USBHS_IRQn = 77, /*!< USBHS interrupt */ + DCI_IRQn = 78, /*!< DCI interrupt */ + TRNG_IRQn = 80, /*!< TRNG interrupt */ + FPU_IRQn = 81, /*!< FPU interrupt */ +#endif /* GD32F407 and GD32F427 */ + +} IRQn_Type; + +/* includes */ +#include "core_cm4.h" +#include "system_gd32f4xx.h" +#include + +/* enum definitions */ +typedef enum {DISABLE = 0, ENABLE = !DISABLE} EventStatus, ControlStatus; +typedef enum {RESET = 0, SET = !RESET} FlagStatus; +typedef enum {ERROR = 0, SUCCESS = !ERROR} ErrStatus; + +/* bit operations */ +#define REG32(addr) (*(volatile uint32_t *)(uint32_t)(addr)) +#define REG16(addr) (*(volatile uint16_t *)(uint32_t)(addr)) +#define REG8(addr) (*(volatile uint8_t *)(uint32_t)(addr)) +#define BIT(x) ((uint32_t)((uint32_t)0x01U<<(x))) +#define BITS(start, end) ((0xFFFFFFFFUL << (start)) & (0xFFFFFFFFUL >> (31U - (uint32_t)(end)))) +#define GET_BITS(regval, start, end) (((regval) & BITS((start),(end))) >> (start)) + +/* main flash and SRAM memory map */ +#define FLASH_BASE ((uint32_t)0x08000000U) /*!< main FLASH base address */ +#define TCMSRAM_BASE ((uint32_t)0x10000000U) /*!< TCMSRAM(64KB) base address */ +#define OPTION_BASE ((uint32_t)0x1FFEC000U) /*!< Option bytes base address */ +#define SRAM_BASE ((uint32_t)0x20000000U) /*!< SRAM0 base address */ + +/* peripheral memory map */ +#define APB1_BUS_BASE ((uint32_t)0x40000000U) /*!< apb1 base address */ +#define APB2_BUS_BASE ((uint32_t)0x40010000U) /*!< apb2 base address */ +#define AHB1_BUS_BASE ((uint32_t)0x40020000U) /*!< ahb1 base address */ +#define AHB2_BUS_BASE ((uint32_t)0x50000000U) /*!< ahb2 base address */ + +/* EXMC memory map */ +#define EXMC_BASE ((uint32_t)0xA0000000U) /*!< EXMC register base address */ + +/* advanced peripheral bus 1 memory map */ +#define TIMER_BASE (APB1_BUS_BASE + 0x00000000U) /*!< TIMER base address */ +#define RTC_BASE (APB1_BUS_BASE + 0x00002800U) /*!< RTC base address */ +#define WWDGT_BASE (APB1_BUS_BASE + 0x00002C00U) /*!< WWDGT base address */ +#define FWDGT_BASE (APB1_BUS_BASE + 0x00003000U) /*!< FWDGT base address */ +#define I2S_ADD_BASE (APB1_BUS_BASE + 0x00003400U) /*!< I2S1_add base address */ +#define SPI_BASE (APB1_BUS_BASE + 0x00003800U) /*!< SPI base address */ +#define USART_BASE (APB1_BUS_BASE + 0x00004400U) /*!< USART base address */ +#define I2C_BASE (APB1_BUS_BASE + 0x00005400U) /*!< I2C base address */ +#define CAN_BASE (APB1_BUS_BASE + 0x00006400U) /*!< CAN base address */ +#define CTC_BASE (APB1_BUS_BASE + 0x00006C00U) /*!< CTC base address */ +#define PMU_BASE (APB1_BUS_BASE + 0x00007000U) /*!< PMU base address */ +#define DAC_BASE (APB1_BUS_BASE + 0x00007400U) /*!< DAC base address */ +#define IREF_BASE (APB1_BUS_BASE + 0x0000C400U) /*!< IREF base address */ + +/* advanced peripheral bus 2 memory map */ +#define TLI_BASE (APB2_BUS_BASE + 0x00006800U) /*!< TLI base address */ +#define SYSCFG_BASE (APB2_BUS_BASE + 0x00003800U) /*!< SYSCFG base address */ +#define EXTI_BASE (APB2_BUS_BASE + 0x00003C00U) /*!< EXTI base address */ +#define SDIO_BASE (APB2_BUS_BASE + 0x00002C00U) /*!< SDIO base address */ +#define ADC_BASE (APB2_BUS_BASE + 0x00002000U) /*!< ADC base address */ +/* advanced high performance bus 1 memory map */ +#define GPIO_BASE (AHB1_BUS_BASE + 0x00000000U) /*!< GPIO base address */ +#define CRC_BASE (AHB1_BUS_BASE + 0x00003000U) /*!< CRC base address */ +#define RCU_BASE (AHB1_BUS_BASE + 0x00003800U) /*!< RCU base address */ +#define FMC_BASE (AHB1_BUS_BASE + 0x00003C00U) /*!< FMC base address */ +#define BKPSRAM_BASE (AHB1_BUS_BASE + 0x00004000U) /*!< BKPSRAM base address */ +#define DMA_BASE (AHB1_BUS_BASE + 0x00006000U) /*!< DMA base address */ +#define ENET_BASE (AHB1_BUS_BASE + 0x00008000U) /*!< ENET base address */ +#define IPA_BASE (AHB1_BUS_BASE + 0x0000B000U) /*!< IPA base address */ +#define USBHS_BASE (AHB1_BUS_BASE + 0x00020000U) /*!< USBHS base address */ + +/* advanced high performance bus 2 memory map */ +#define USBFS_BASE (AHB2_BUS_BASE + 0x00000000U) /*!< USBFS base address */ +#define DCI_BASE (AHB2_BUS_BASE + 0x00050000U) /*!< DCI base address */ +#define TRNG_BASE (AHB2_BUS_BASE + 0x00060800U) /*!< TRNG base address */ +/* option byte and debug memory map */ +#define OB_BASE ((uint32_t)0x1FFEC000U) /*!< OB base address */ +#define DBG_BASE ((uint32_t)0xE0042000U) /*!< DBG base address */ + +/* define marco USE_STDPERIPH_DRIVER */ +#if !defined USE_STDPERIPH_DRIVER +#define USE_STDPERIPH_DRIVER +#endif +#ifdef USE_STDPERIPH_DRIVER +#include "gd32f4xx_libopt.h" +#endif /* USE_STDPERIPH_DRIVER */ + +#ifdef __cplusplus +} +#endif +#endif diff --git a/modular.json b/modular.json new file mode 100755 index 0000000..4cb7d5f --- /dev/null +++ b/modular.json @@ -0,0 +1,11 @@ +{ + "cmake": { + "inc_dirs": [ + "./" + ], + "srcs": [ + "./**.c", + "./**.s" + ] + } +} \ No newline at end of file diff --git a/startup_gd32f450_470.s b/startup_gd32f450_470.s new file mode 100755 index 0000000..a1cc105 --- /dev/null +++ b/startup_gd32f450_470.s @@ -0,0 +1,409 @@ +/** + ****************************************************************************** + * @file startup_at32f415.s + * @version v2.0.7 + * @date 2022-08-16 + * @brief at32f415xx devices vector table for gcc toolchain. + * this module performs: + * - set the initial sp + * - set the initial pc == reset_handler, + * - set the vector table entries with the exceptions isr address + * - configure the clock system and the external sram to + * be used as data memory (optional, to be enabled by user) + * - branches to main in the c library (which eventually + * calls main()). + * after reset the cortex-m4 processor is in thread mode, + * priority is privileged, and the stack is set to main. + ****************************************************************************** + */ + + .syntax unified + .cpu cortex-m4 + .fpu softvfp + .thumb + +.global g_pfnVectors +.global Default_Handler + +/* start address for the initialization values of the .data section. +defined in linker script */ +.word _sidata +/* start address for the .data section. defined in linker script */ +.word _sdata +/* end address for the .data section. defined in linker script */ +.word _edata +/* start address for the .bss section. defined in linker script */ +.word _sbss +/* end address for the .bss section. defined in linker script */ +.word _ebss +/* stack used for SystemInit_ExtMemCtl; always internal RAM used */ + +/** + * @brief This is the code that gets called when the processor first + * starts execution following a reset event. Only the absolutely + * necessary set is performed, after which the application + * supplied main() routine is called. + * @param None + * @retval None +*/ + + .section .text.Reset_Handler + .weak Reset_Handler + .type Reset_Handler, %function +Reset_Handler: + +/* Copy the data segment initializers from flash to SRAM */ + movs r1, #0 + b LoopCopyDataInit + +CopyDataInit: + ldr r3, =_sidata + ldr r3, [r3, r1] + str r3, [r0, r1] + adds r1, r1, #4 + +LoopCopyDataInit: + ldr r0, =_sdata + ldr r3, =_edata + adds r2, r0, r1 + cmp r2, r3 + bcc CopyDataInit + ldr r2, =_sbss + b LoopFillZerobss +/* Zero fill the bss segment. */ +FillZerobss: + movs r3, #0 + str r3, [r2], #4 + +LoopFillZerobss: + ldr r3, = _ebss + cmp r2, r3 + bcc FillZerobss + +/* Call the clock system intitialization function.*/ + bl SystemInit +/* Call static constructors */ + bl __libc_init_array +/* Call the application's entry point.*/ + bl main + bx lr +.size Reset_Handler, .-Reset_Handler + +/** + * @brief This is the code that gets called when the processor receives an + * unexpected interrupt. This simply enters an infinite loop, preserving + * the system state for examination by a debugger. + * @param None + * @retval None +*/ + .section .text.Default_Handler,"ax",%progbits +Default_Handler: +Infinite_Loop: + b Infinite_Loop + .size Default_Handler, .-Default_Handler +/********************************USART0_IRQHandler********************************************** +* +* The minimal vector table for a Cortex M3. Note that the proper constructs +* must be placed on this to ensure that it ends up at physical address +* 0x0000.0000. +* +*******************************************************************************/ + .section .isr_vector,"a",%progbits + .type g_pfnVectors, %object + .size g_pfnVectors, .-g_pfnVectors + + +g_pfnVectors: + .word _estack + .word Reset_Handler + .word NMI_Handler + .word HardFault_Handler + .word MemManage_Handler + .word BusFault_Handler + .word UsageFault_Handler + .word 0 + .word 0 + .word 0 + .word 0 + .word SVC_Handler + .word DebugMon_Handler + .word 0 + .word PendSV_Handler + .word SysTick_Handler + + /* External Interrupts */ + .word WWDT_IRQHandler /* Window Watchdog Timer */ + .word PVM_IRQHandler /* PVM through EXINT Line detect */ + .word TAMPER_IRQHandler /* Tamper */ + .word ERTC_IRQHandler /* ERTC */ + .word FLASH_IRQHandler /* Flash */ + .word CRM_IRQHandler /* CRM */ + .word EXINT0_IRQHandler /* EXINT Line 0 */ + .word EXINT1_IRQHandler /* EXINT Line 1 */ + .word EXINT2_IRQHandler /* EXINT Line 2 */ + .word EXINT3_IRQHandler /* EXINT Line 3 */ + .word EXINT4_IRQHandler /* EXINT Line 4 */ + .word DMA0_Channel0_IRQHandler /* DMA1 Channel 1 */ + .word DMA0_Channel1_IRQHandler /* DMA1 Channel 2 */ + .word DMA0_Channel2_IRQHandler /* DMA1 Channel 3 */ + .word DMA0_Channel3_IRQHandler /* DMA1 Channel 4 */ + .word DMA0_Channel4_IRQHandler /* DMA1 Channel 5 */ + .word DMA0_Channel5_IRQHandler /* DMA1 Channel 6 */ + .word DMA0_Channel6_IRQHandler /* DMA1 Channel 7 */ + .word ADC1_IRQHandler /* ADC1 */ + .word CAN1_TX_IRQHandler /* CAN1 TX */ + .word CAN1_RX0_IRQHandler /* CAN1 RX0 */ + .word CAN1_RX1_IRQHandler /* CAN1 RX1 */ + .word CAN1_SE_IRQHandler /* CAN1 SE */ + .word EXINT9_5_IRQHandler /* EXINT Line [9:5] */ + .word TMR1_BRK_TMR9_IRQHandler /* TMR1 Brake and TMR9 */ + .word TMR1_OVF_TMR10_IRQHandler /* TMR1 overflow and TMR10 */ + .word TMR1_TRG_HALL_TMR11_IRQHandler /* TMR1 Trigger and hall and TMR11 */ + .word TMR1_CH_IRQHandler /* TMR1 channel */ + .word TMR2_GLOBAL_IRQHandler /* TMR2 */ + .word TMR3_GLOBAL_IRQHandler /* TMR3 */ + .word TMR4_GLOBAL_IRQHandler /* TMR4 */ + .word I2C1_EVT_IRQHandler /* I2C1 Event */ + .word I2C1_ERR_IRQHandler /* I2C1 Error */ + .word I2C2_EVT_IRQHandler /* I2C2 Event */ + .word I2C2_ERR_IRQHandler /* I2C2 Error */ + .word SPI1_IRQHandler /* SPI1 */ + .word SPI2_IRQHandler /* SPI2 */ + .word USART0_IRQHandler /* USART0 */ + .word USART1_IRQHandler /* USART1 */ + .word USART2_IRQHandler /* USART2 */ + .word EXINT15_10_IRQHandler /* EXINT Line [15:10] */ + .word ERTCAlarm_IRQHandler /* ERTC Alarm through EXINT Line */ + .word OTGFS1_WKUP_IRQHandler /* OTGFS1 Wakeup from suspend */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word SDIO1_IRQHandler /* SDIO1 */ + .word TMR5_GLOBAL_IRQHandler /* TMR5 */ + .word 0 /* Reserved */ + .word UART4_IRQHandler /* UART4 */ + .word UART5_IRQHandler /* UART5 */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word DMA1_Channel0_IRQHandler /* DMA2 Channel1 */ + .word DMA1_Channel1_IRQHandler /* DMA2 Channel2 */ + .word DMA1_Channel2_IRQHandler /* DMA2 Channel3 */ + .word DMA1_Channel3_5_IRQHandler /* DMA2 Channel4 & Channel5 */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word OTGFS1_IRQHandler /* OTGFS1 */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word CMP1_IRQHandler /* CMP1 */ + .word CMP2_IRQHandler /* CMP2 */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word DMA2_Channel6_7_IRQHandler /* DMA2 Channel6 & Channel7 */ + +/******************************************************************************* +* +* Provide weak aliases for each Exception handler to the Default_Handler. +* As they are weak aliases, any function with the same name will override +* this definition. +* +*******************************************************************************/ + .weak NMI_Handler + .thumb_set NMI_Handler,Default_Handler + + .weak HardFault_Handler + .thumb_set HardFault_Handler,Default_Handler + + .weak MemManage_Handler + .thumb_set MemManage_Handler,Default_Handler + + .weak BusFault_Handler + .thumb_set BusFault_Handler,Default_Handler + + .weak UsageFault_Handler + .thumb_set UsageFault_Handler,Default_Handler + + .weak SVC_Handler + .thumb_set SVC_Handler,Default_Handler + + .weak DebugMon_Handler + .thumb_set DebugMon_Handler,Default_Handler + + .weak PendSV_Handler + .thumb_set PendSV_Handler,Default_Handler + + .weak SysTick_Handler + .thumb_set SysTick_Handler,Default_Handler + + .weak WWDT_IRQHandler + .thumb_set WWDT_IRQHandler,Default_Handler + + .weak PVM_IRQHandler + .thumb_set PVM_IRQHandler,Default_Handler + + .weak TAMPER_IRQHandler + .thumb_set TAMPER_IRQHandler,Default_Handler + + .weak ERTC_IRQHandler + .thumb_set ERTC_IRQHandler,Default_Handler + + .weak FLASH_IRQHandler + .thumb_set FLASH_IRQHandler,Default_Handler + + .weak CRM_IRQHandler + .thumb_set CRM_IRQHandler,Default_Handler + + .weak EXINT0_IRQHandler + .thumb_set EXINT0_IRQHandler,Default_Handler + + .weak EXINT1_IRQHandler + .thumb_set EXINT1_IRQHandler,Default_Handler + + .weak EXINT2_IRQHandler + .thumb_set EXINT2_IRQHandler,Default_Handler + + .weak EXINT3_IRQHandler + .thumb_set EXINT3_IRQHandler,Default_Handler + + .weak EXINT4_IRQHandler + .thumb_set EXINT4_IRQHandler,Default_Handler + + .weak DMA0_Channel0_IRQHandler + .thumb_set DMA0_Channel0_IRQHandler,Default_Handler + + .weak DMA0_Channel1_IRQHandler + .thumb_set DMA0_Channel1_IRQHandler,Default_Handler + + .weak DMA0_Channel2_IRQHandler + .thumb_set DMA0_Channel2_IRQHandler,Default_Handler + + .weak DMA0_Channel3_IRQHandler + .thumb_set DMA0_Channel3_IRQHandler,Default_Handler + + .weak DMA0_Channel4_IRQHandler + .thumb_set DMA0_Channel4_IRQHandler,Default_Handler + + .weak DMA0_Channel5_IRQHandler + .thumb_set DMA0_Channel5_IRQHandler,Default_Handler + + .weak DMA0_Channel6_IRQHandler + .thumb_set DMA0_Channel6_IRQHandler,Default_Handler + + .weak ADC1_IRQHandler + .thumb_set ADC1_IRQHandler,Default_Handler + + .weak CAN1_TX_IRQHandler + .thumb_set CAN1_TX_IRQHandler,Default_Handler + + .weak CAN1_RX0_IRQHandler + .thumb_set CAN1_RX0_IRQHandler,Default_Handler + + .weak CAN1_RX1_IRQHandler + .thumb_set CAN1_RX1_IRQHandler,Default_Handler + + .weak CAN1_SE_IRQHandler + .thumb_set CAN1_SE_IRQHandler,Default_Handler + + .weak EXINT9_5_IRQHandler + .thumb_set EXINT9_5_IRQHandler,Default_Handler + + .weak TMR1_BRK_TMR9_IRQHandler + .thumb_set TMR1_BRK_TMR9_IRQHandler,Default_Handler + + .weak TMR1_OVF_TMR10_IRQHandler + .thumb_set TMR1_OVF_TMR10_IRQHandler,Default_Handler + + .weak TMR1_TRG_HALL_TMR11_IRQHandler + .thumb_set TMR1_TRG_HALL_TMR11_IRQHandler,Default_Handler + + .weak TMR1_CH_IRQHandler + .thumb_set TMR1_CH_IRQHandler,Default_Handler + + .weak TMR2_GLOBAL_IRQHandler + .thumb_set TMR2_GLOBAL_IRQHandler,Default_Handler + + .weak TMR3_GLOBAL_IRQHandler + .thumb_set TMR3_GLOBAL_IRQHandler,Default_Handler + + .weak TMR4_GLOBAL_IRQHandler + .thumb_set TMR4_GLOBAL_IRQHandler,Default_Handler + + .weak I2C1_EVT_IRQHandler + .thumb_set I2C1_EVT_IRQHandler,Default_Handler + + .weak I2C1_ERR_IRQHandler + .thumb_set I2C1_ERR_IRQHandler,Default_Handler + + .weak I2C2_EVT_IRQHandler + .thumb_set I2C2_EVT_IRQHandler,Default_Handler + + .weak I2C2_ERR_IRQHandler + .thumb_set I2C2_ERR_IRQHandler,Default_Handler + + .weak SPI1_IRQHandler + .thumb_set SPI1_IRQHandler,Default_Handler + + .weak SPI2_IRQHandler + .thumb_set SPI2_IRQHandler,Default_Handler + + .weak USART0_IRQHandler + .thumb_set USART0_IRQHandler,Default_Handler + + .weak USART1_IRQHandler + .thumb_set USART1_IRQHandler,Default_Handler + + .weak USART2_IRQHandler + .thumb_set USART2_IRQHandler,Default_Handler + + .weak EXINT15_10_IRQHandler + .thumb_set EXINT15_10_IRQHandler,Default_Handler + + .weak ERTCAlarm_IRQHandler + .thumb_set ERTCAlarm_IRQHandler,Default_Handler + + .weak OTGFS1_WKUP_IRQHandler + .thumb_set OTGFS1_WKUP_IRQHandler,Default_Handler + + .weak SDIO1_IRQHandler + .thumb_set SDIO1_IRQHandler,Default_Handler + + .weak TMR5_GLOBAL_IRQHandler + .thumb_set TMR5_GLOBAL_IRQHandler,Default_Handler + + .weak UART4_IRQHandler + .thumb_set UART4_IRQHandler,Default_Handler + + .weak UART5_IRQHandler + .thumb_set UART5_IRQHandler,Default_Handler + + .weak DMA1_Channel0_IRQHandler + .thumb_set DMA1_Channel0_IRQHandler,Default_Handler + + .weak DMA1_Channel1_IRQHandler + .thumb_set DMA1_Channel1_IRQHandler,Default_Handler + + .weak DMA1_Channel2_IRQHandler + .thumb_set DMA1_Channel2_IRQHandler,Default_Handler + + .weak DMA1_Channel3_5_IRQHandler + .thumb_set DMA1_Channel3_5_IRQHandler,Default_Handler + + .weak OTGFS1_IRQHandler + .thumb_set OTGFS1_IRQHandler,Default_Handler + + .weak CMP1_IRQHandler + .thumb_set CMP1_IRQHandler,Default_Handler + + .weak CMP2_IRQHandler + .thumb_set CMP2_IRQHandler,Default_Handler + + .weak DMA2_Channel6_7_IRQHandler + .thumb_set DMA2_Channel6_7_IRQHandler,Default_Handler diff --git a/startup_gd32f450_470.s_ b/startup_gd32f450_470.s_ new file mode 100755 index 0000000..85b978a --- /dev/null +++ b/startup_gd32f450_470.s_ @@ -0,0 +1,454 @@ +;/*! +; \file startup_gd32f450_470.s +; \brief start up file +; +; \version 2016-08-15, V1.0.0, firmware for GD32F4xx +; \version 2018-12-12, V2.0.0, firmware for GD32F4xx +; \version 2020-09-30, V2.1.0, firmware for GD32F4xx +; \version 2022-03-09, V3.0.0, firmware for GD32F4xx +;*/ +; +;/* +; Copyright (c) 2022, GigaDevice Semiconductor Inc. +; +; Redistribution and use in source and binary forms, with or without modification, +;are permitted provided that the following conditions are met: +; +; 1. Redistributions of source code must retain the above copyright notice, this +; list of conditions and the following disclaimer. +; 2. Redistributions in binary form must reproduce the above copyright notice, +; this list of conditions and the following disclaimer in the documentation +; and/or other materials provided with the distribution. +; 3. Neither the name of the copyright holder nor the names of its contributors +; may be used to endorse or promote products derived from this software without +; specific prior written permission. +; +; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +;AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +;WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +;IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +;INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +;NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +;PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +;WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +;ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY +;OF SUCH DAMAGE. +;*/ + +; Stack Configuration +; Stack Size (in Bytes) <0x0-0xFFFFFFFF:8> +; + +Stack_Size EQU 0x00000400 + + AREA STACK, NOINIT, READWRITE, ALIGN=3 +Stack_Mem SPACE Stack_Size +__initial_sp + + +; Heap Configuration +; Heap Size (in Bytes) <0x0-0xFFFFFFFF:8> +; + +Heap_Size EQU 0x00000400 + + AREA HEAP, NOINIT, READWRITE, ALIGN=3 +__heap_base +Heap_Mem SPACE Heap_Size +__heap_limit + + PRESERVE8 + THUMB + +; /* reset Vector Mapped to at Address 0 */ + AREA RESET, DATA, READONLY + EXPORT __Vectors + EXPORT __Vectors_End + EXPORT __Vectors_Size + +__Vectors DCD __initial_sp ; Top of Stack + DCD Reset_Handler ; Reset Handler + DCD NMI_Handler ; NMI Handler + DCD HardFault_Handler ; Hard Fault Handler + DCD MemManage_Handler ; MPU Fault Handler + DCD BusFault_Handler ; Bus Fault Handler + DCD UsageFault_Handler ; Usage Fault Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD SVC_Handler ; SVCall Handler + DCD DebugMon_Handler ; Debug Monitor Handler + DCD 0 ; Reserved + DCD PendSV_Handler ; PendSV Handler + DCD SysTick_Handler ; SysTick Handler + +; /* external interrupts handler */ + DCD WWDGT_IRQHandler ; 16:Window Watchdog Timer + DCD LVD_IRQHandler ; 17:LVD through EXTI Line detect + DCD TAMPER_STAMP_IRQHandler ; 18:Tamper and TimeStamp through EXTI Line detect + DCD RTC_WKUP_IRQHandler ; 19:RTC Wakeup through EXTI Line + DCD FMC_IRQHandler ; 20:FMC + DCD RCU_CTC_IRQHandler ; 21:RCU and CTC + DCD EXTI0_IRQHandler ; 22:EXTI Line 0 + DCD EXTI1_IRQHandler ; 23:EXTI Line 1 + DCD EXTI2_IRQHandler ; 24:EXTI Line 2 + DCD EXTI3_IRQHandler ; 25:EXTI Line 3 + DCD EXTI4_IRQHandler ; 26:EXTI Line 4 + DCD DMA0_Channel0_IRQHandler ; 27:DMA0 Channel0 + DCD DMA0_Channel1_IRQHandler ; 28:DMA0 Channel1 + DCD DMA0_Channel2_IRQHandler ; 29:DMA0 Channel2 + DCD DMA0_Channel3_IRQHandler ; 30:DMA0 Channel3 + DCD DMA0_Channel4_IRQHandler ; 31:DMA0 Channel4 + DCD DMA0_Channel5_IRQHandler ; 32:DMA0 Channel5 + DCD DMA0_Channel6_IRQHandler ; 33:DMA0 Channel6 + DCD ADC_IRQHandler ; 34:ADC + DCD CAN0_TX_IRQHandler ; 35:CAN0 TX + DCD CAN0_RX0_IRQHandler ; 36:CAN0 RX0 + DCD CAN0_RX1_IRQHandler ; 37:CAN0 RX1 + DCD CAN0_EWMC_IRQHandler ; 38:CAN0 EWMC + DCD EXTI5_9_IRQHandler ; 39:EXTI5 to EXTI9 + DCD TIMER0_BRK_TIMER8_IRQHandler ; 40:TIMER0 Break and TIMER8 + DCD TIMER0_UP_TIMER9_IRQHandler ; 41:TIMER0 Update and TIMER9 + DCD TIMER0_TRG_CMT_TIMER10_IRQHandler ; 42:TIMER0 Trigger and Commutation and TIMER10 + DCD TIMER0_Channel_IRQHandler ; 43:TIMER0 Capture Compare + DCD TIMER1_IRQHandler ; 44:TIMER1 + DCD TIMER2_IRQHandler ; 45:TIMER2 + DCD TIMER3_IRQHandler ; 46:TIMER3 + DCD I2C0_EV_IRQHandler ; 47:I2C0 Event + DCD I2C0_ER_IRQHandler ; 48:I2C0 Error + DCD I2C1_EV_IRQHandler ; 49:I2C1 Event + DCD I2C1_ER_IRQHandler ; 50:I2C1 Error + DCD SPI0_IRQHandler ; 51:SPI0 + DCD SPI1_IRQHandler ; 52:SPI1 + DCD USART0_IRQHandler ; 53:USART0 + DCD USART1_IRQHandler ; 54:USART1 + DCD USART2_IRQHandler ; 55:USART2 + DCD EXTI10_15_IRQHandler ; 56:EXTI10 to EXTI15 + DCD RTC_Alarm_IRQHandler ; 57:RTC Alarm + DCD USBFS_WKUP_IRQHandler ; 58:USBFS Wakeup + DCD TIMER7_BRK_TIMER11_IRQHandler ; 59:TIMER7 Break and TIMER11 + DCD TIMER7_UP_TIMER12_IRQHandler ; 60:TIMER7 Update and TIMER12 + DCD TIMER7_TRG_CMT_TIMER13_IRQHandler ; 61:TIMER7 Trigger and Commutation and TIMER13 + DCD TIMER7_Channel_IRQHandler ; 62:TIMER7 Channel Capture Compare + DCD DMA0_Channel7_IRQHandler ; 63:DMA0 Channel7 + DCD EXMC_IRQHandler ; 64:EXMC + DCD SDIO_IRQHandler ; 65:SDIO + DCD TIMER4_IRQHandler ; 66:TIMER4 + DCD SPI2_IRQHandler ; 67:SPI2 + DCD UART3_IRQHandler ; 68:UART3 + DCD UART4_IRQHandler ; 69:UART4 + DCD TIMER5_DAC_IRQHandler ; 70:TIMER5 and DAC0 DAC1 Underrun error + DCD TIMER6_IRQHandler ; 71:TIMER6 + DCD DMA1_Channel0_IRQHandler ; 72:DMA1 Channel0 + DCD DMA1_Channel1_IRQHandler ; 73:DMA1 Channel1 + DCD DMA1_Channel2_IRQHandler ; 74:DMA1 Channel2 + DCD DMA1_Channel3_IRQHandler ; 75:DMA1 Channel3 + DCD DMA1_Channel4_IRQHandler ; 76:DMA1 Channel4 + DCD ENET_IRQHandler ; 77:Ethernet + DCD ENET_WKUP_IRQHandler ; 78:Ethernet Wakeup through EXTI Line + DCD CAN1_TX_IRQHandler ; 79:CAN1 TX + DCD CAN1_RX0_IRQHandler ; 80:CAN1 RX0 + DCD CAN1_RX1_IRQHandler ; 81:CAN1 RX1 + DCD CAN1_EWMC_IRQHandler ; 82:CAN1 EWMC + DCD USBFS_IRQHandler ; 83:USBFS + DCD DMA1_Channel5_IRQHandler ; 84:DMA1 Channel5 + DCD DMA1_Channel6_IRQHandler ; 85:DMA1 Channel6 + DCD DMA1_Channel7_IRQHandler ; 86:DMA1 Channel7 + DCD USART5_IRQHandler ; 87:USART5 + DCD I2C2_EV_IRQHandler ; 88:I2C2 Event + DCD I2C2_ER_IRQHandler ; 89:I2C2 Error + DCD USBHS_EP1_Out_IRQHandler ; 90:USBHS Endpoint 1 Out + DCD USBHS_EP1_In_IRQHandler ; 91:USBHS Endpoint 1 in + DCD USBHS_WKUP_IRQHandler ; 92:USBHS Wakeup through EXTI Line + DCD USBHS_IRQHandler ; 93:USBHS + DCD DCI_IRQHandler ; 94:DCI + DCD 0 ; 95:Reserved + DCD TRNG_IRQHandler ; 96:TRNG + DCD FPU_IRQHandler ; 97:FPU + DCD UART6_IRQHandler ; 98:UART6 + DCD UART7_IRQHandler ; 99:UART7 + DCD SPI3_IRQHandler ; 100:SPI3 + DCD SPI4_IRQHandler ; 101:SPI4 + DCD SPI5_IRQHandler ; 102:SPI5 + DCD 0 ; 103:Reserved + DCD TLI_IRQHandler ; 104:TLI + DCD TLI_ER_IRQHandler ; 105:TLI Error + DCD IPA_IRQHandler ; 106:IPA + +__Vectors_End + +__Vectors_Size EQU __Vectors_End - __Vectors + + AREA |.text|, CODE, READONLY + +;/* reset Handler */ +Reset_Handler PROC + EXPORT Reset_Handler [WEAK] + IMPORT SystemInit + IMPORT __main + LDR R0, =SystemInit + BLX R0 + LDR R0, =__main + BX R0 + ENDP + +;/* dummy Exception Handlers */ +NMI_Handler PROC + EXPORT NMI_Handler [WEAK] + B . + ENDP +HardFault_Handler\ + PROC + EXPORT HardFault_Handler [WEAK] + B . + ENDP +MemManage_Handler\ + PROC + EXPORT MemManage_Handler [WEAK] + B . + ENDP +BusFault_Handler\ + PROC + EXPORT BusFault_Handler [WEAK] + B . + ENDP +UsageFault_Handler\ + PROC + EXPORT UsageFault_Handler [WEAK] + B . + ENDP +SVC_Handler PROC + EXPORT SVC_Handler [WEAK] + B . + ENDP +DebugMon_Handler\ + PROC + EXPORT DebugMon_Handler [WEAK] + B . + ENDP +PendSV_Handler\ + PROC + EXPORT PendSV_Handler [WEAK] + B . + ENDP +SysTick_Handler\ + PROC + EXPORT SysTick_Handler [WEAK] + B . + ENDP + +Default_Handler PROC +; /* external interrupts handler */ + EXPORT WWDGT_IRQHandler [WEAK] + EXPORT LVD_IRQHandler [WEAK] + EXPORT TAMPER_STAMP_IRQHandler [WEAK] + EXPORT RTC_WKUP_IRQHandler [WEAK] + EXPORT FMC_IRQHandler [WEAK] + EXPORT RCU_CTC_IRQHandler [WEAK] + EXPORT EXTI0_IRQHandler [WEAK] + EXPORT EXTI1_IRQHandler [WEAK] + EXPORT EXTI2_IRQHandler [WEAK] + EXPORT EXTI3_IRQHandler [WEAK] + EXPORT EXTI4_IRQHandler [WEAK] + EXPORT DMA0_Channel0_IRQHandler [WEAK] + EXPORT DMA0_Channel1_IRQHandler [WEAK] + EXPORT DMA0_Channel2_IRQHandler [WEAK] + EXPORT DMA0_Channel3_IRQHandler [WEAK] + EXPORT DMA0_Channel4_IRQHandler [WEAK] + EXPORT DMA0_Channel5_IRQHandler [WEAK] + EXPORT DMA0_Channel6_IRQHandler [WEAK] + EXPORT ADC_IRQHandler [WEAK] + EXPORT CAN0_TX_IRQHandler [WEAK] + EXPORT CAN0_RX0_IRQHandler [WEAK] + EXPORT CAN0_RX1_IRQHandler [WEAK] + EXPORT CAN0_EWMC_IRQHandler [WEAK] + EXPORT EXTI5_9_IRQHandler [WEAK] + EXPORT TIMER0_BRK_TIMER8_IRQHandler [WEAK] + EXPORT TIMER0_UP_TIMER9_IRQHandler [WEAK] + EXPORT TIMER0_TRG_CMT_TIMER10_IRQHandler [WEAK] + EXPORT TIMER0_Channel_IRQHandler [WEAK] + EXPORT TIMER1_IRQHandler [WEAK] + EXPORT TIMER2_IRQHandler [WEAK] + EXPORT TIMER3_IRQHandler [WEAK] + EXPORT I2C0_EV_IRQHandler [WEAK] + EXPORT I2C0_ER_IRQHandler [WEAK] + EXPORT I2C1_EV_IRQHandler [WEAK] + EXPORT I2C1_ER_IRQHandler [WEAK] + EXPORT SPI0_IRQHandler [WEAK] + EXPORT SPI1_IRQHandler [WEAK] + EXPORT USART0_IRQHandler [WEAK] + EXPORT USART1_IRQHandler [WEAK] + EXPORT USART2_IRQHandler [WEAK] + EXPORT EXTI10_15_IRQHandler [WEAK] + EXPORT RTC_Alarm_IRQHandler [WEAK] + EXPORT USBFS_WKUP_IRQHandler [WEAK] + EXPORT TIMER7_BRK_TIMER11_IRQHandler [WEAK] + EXPORT TIMER7_UP_TIMER12_IRQHandler [WEAK] + EXPORT TIMER7_TRG_CMT_TIMER13_IRQHandler [WEAK] + EXPORT TIMER7_Channel_IRQHandler [WEAK] + EXPORT DMA0_Channel7_IRQHandler [WEAK] + EXPORT EXMC_IRQHandler [WEAK] + EXPORT SDIO_IRQHandler [WEAK] + EXPORT TIMER4_IRQHandler [WEAK] + EXPORT SPI2_IRQHandler [WEAK] + EXPORT UART3_IRQHandler [WEAK] + EXPORT UART4_IRQHandler [WEAK] + EXPORT TIMER5_DAC_IRQHandler [WEAK] + EXPORT TIMER6_IRQHandler [WEAK] + EXPORT DMA1_Channel0_IRQHandler [WEAK] + EXPORT DMA1_Channel1_IRQHandler [WEAK] + EXPORT DMA1_Channel2_IRQHandler [WEAK] + EXPORT DMA1_Channel3_IRQHandler [WEAK] + EXPORT DMA1_Channel4_IRQHandler [WEAK] + EXPORT ENET_IRQHandler [WEAK] + EXPORT ENET_WKUP_IRQHandler [WEAK] + EXPORT CAN1_TX_IRQHandler [WEAK] + EXPORT CAN1_RX0_IRQHandler [WEAK] + EXPORT CAN1_RX1_IRQHandler [WEAK] + EXPORT CAN1_EWMC_IRQHandler [WEAK] + EXPORT USBFS_IRQHandler [WEAK] + EXPORT DMA1_Channel5_IRQHandler [WEAK] + EXPORT DMA1_Channel6_IRQHandler [WEAK] + EXPORT DMA1_Channel7_IRQHandler [WEAK] + EXPORT USART5_IRQHandler [WEAK] + EXPORT I2C2_EV_IRQHandler [WEAK] + EXPORT I2C2_ER_IRQHandler [WEAK] + EXPORT USBHS_EP1_Out_IRQHandler [WEAK] + EXPORT USBHS_EP1_In_IRQHandler [WEAK] + EXPORT USBHS_WKUP_IRQHandler [WEAK] + EXPORT USBHS_IRQHandler [WEAK] + EXPORT DCI_IRQHandler [WEAK] + EXPORT TRNG_IRQHandler [WEAK] + EXPORT FPU_IRQHandler [WEAK] + EXPORT UART6_IRQHandler [WEAK] + EXPORT UART7_IRQHandler [WEAK] + EXPORT SPI3_IRQHandler [WEAK] + EXPORT SPI4_IRQHandler [WEAK] + EXPORT SPI5_IRQHandler [WEAK] + EXPORT TLI_IRQHandler [WEAK] + EXPORT TLI_ER_IRQHandler [WEAK] + EXPORT IPA_IRQHandler [WEAK] + +;/* external interrupts handler */ +WWDGT_IRQHandler +LVD_IRQHandler +TAMPER_STAMP_IRQHandler +RTC_WKUP_IRQHandler +FMC_IRQHandler +RCU_CTC_IRQHandler +EXTI0_IRQHandler +EXTI1_IRQHandler +EXTI2_IRQHandler +EXTI3_IRQHandler +EXTI4_IRQHandler +DMA0_Channel0_IRQHandler +DMA0_Channel1_IRQHandler +DMA0_Channel2_IRQHandler +DMA0_Channel3_IRQHandler +DMA0_Channel4_IRQHandler +DMA0_Channel5_IRQHandler +DMA0_Channel6_IRQHandler +ADC_IRQHandler +CAN0_TX_IRQHandler +CAN0_RX0_IRQHandler +CAN0_RX1_IRQHandler +CAN0_EWMC_IRQHandler +EXTI5_9_IRQHandler +TIMER0_BRK_TIMER8_IRQHandler +TIMER0_UP_TIMER9_IRQHandler +TIMER0_TRG_CMT_TIMER10_IRQHandler +TIMER0_Channel_IRQHandler +TIMER1_IRQHandler +TIMER2_IRQHandler +TIMER3_IRQHandler +I2C0_EV_IRQHandler +I2C0_ER_IRQHandler +I2C1_EV_IRQHandler +I2C1_ER_IRQHandler +SPI0_IRQHandler +SPI1_IRQHandler +USART0_IRQHandler +USART1_IRQHandler +USART2_IRQHandler +EXTI10_15_IRQHandler +RTC_Alarm_IRQHandler +USBFS_WKUP_IRQHandler +TIMER7_BRK_TIMER11_IRQHandler +TIMER7_UP_TIMER12_IRQHandler +TIMER7_TRG_CMT_TIMER13_IRQHandler +TIMER7_Channel_IRQHandler +DMA0_Channel7_IRQHandler +EXMC_IRQHandler +SDIO_IRQHandler +TIMER4_IRQHandler +SPI2_IRQHandler +UART3_IRQHandler +UART4_IRQHandler +TIMER5_DAC_IRQHandler +TIMER6_IRQHandler +DMA1_Channel0_IRQHandler +DMA1_Channel1_IRQHandler +DMA1_Channel2_IRQHandler +DMA1_Channel3_IRQHandler +DMA1_Channel4_IRQHandler +ENET_IRQHandler +ENET_WKUP_IRQHandler +CAN1_TX_IRQHandler +CAN1_RX0_IRQHandler +CAN1_RX1_IRQHandler +CAN1_EWMC_IRQHandler +USBFS_IRQHandler +DMA1_Channel5_IRQHandler +DMA1_Channel6_IRQHandler +DMA1_Channel7_IRQHandler +USART5_IRQHandler +I2C2_EV_IRQHandler +I2C2_ER_IRQHandler +USBHS_EP1_Out_IRQHandler +USBHS_EP1_In_IRQHandler +USBHS_WKUP_IRQHandler +USBHS_IRQHandler +DCI_IRQHandler +TRNG_IRQHandler +FPU_IRQHandler +UART6_IRQHandler +UART7_IRQHandler +SPI3_IRQHandler +SPI4_IRQHandler +SPI5_IRQHandler +TLI_IRQHandler +TLI_ER_IRQHandler +IPA_IRQHandler + + B . + ENDP + + ALIGN + +; user Initial Stack & Heap + + IF :DEF:__MICROLIB + + EXPORT __initial_sp + EXPORT __heap_base + EXPORT __heap_limit + + ELSE + + IMPORT __use_two_region_memory + EXPORT __user_initial_stackheap + +__user_initial_stackheap PROC + LDR R0, = Heap_Mem + LDR R1, =(Stack_Mem + Stack_Size) + LDR R2, = (Heap_Mem + Heap_Size) + LDR R3, = Stack_Mem + BX LR + ENDP + + ALIGN + + ENDIF + + END diff --git a/system_gd32f4xx.c b/system_gd32f4xx.c new file mode 100755 index 0000000..bb692bb --- /dev/null +++ b/system_gd32f4xx.c @@ -0,0 +1,1169 @@ +/*! + \file system_gd32f4xx.c + \brief CMSIS Cortex-M4 Device Peripheral Access Layer Source File for + GD32F4xx Device Series +*/ + +/* Copyright (c) 2012 ARM LIMITED + + All rights reserved. + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + - Neither the name of ARM nor the names of its contributors may be used + to endorse or promote products derived from this software without + specific prior written permission. + * + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + ---------------------------------------------------------------------------*/ + +/* This file refers the CMSIS standard, some adjustments are made according to GigaDevice chips */ + +#include "gd32f4xx.h" + +/* system frequency define */ +#define __IRC16M (IRC16M_VALUE) /* internal 16 MHz RC oscillator frequency */ +#define __HXTAL (HXTAL_VALUE) /* high speed crystal oscillator frequency */ +#define __SYS_OSC_CLK (__IRC16M) /* main oscillator frequency */ + +/* select a system clock by uncommenting the following line */ +//#define __SYSTEM_CLOCK_IRC16M (uint32_t)(__IRC16M) +//#define __SYSTEM_CLOCK_HXTAL (uint32_t)(__HXTAL) +//#define __SYSTEM_CLOCK_120M_PLL_IRC16M (uint32_t)(120000000) +//#define __SYSTEM_CLOCK_120M_PLL_8M_HXTAL (uint32_t)(120000000) +//#define __SYSTEM_CLOCK_120M_PLL_25M_HXTAL (uint32_t)(120000000) +//#define __SYSTEM_CLOCK_168M_PLL_IRC16M (uint32_t)(168000000) +//#define __SYSTEM_CLOCK_168M_PLL_8M_HXTAL (uint32_t)(168000000) +//#define __SYSTEM_CLOCK_168M_PLL_25M_HXTAL (uint32_t)(168000000) +//#define __SYSTEM_CLOCK_200M_PLL_IRC16M (uint32_t)(200000000) +//#define __SYSTEM_CLOCK_200M_PLL_8M_HXTAL (uint32_t)(200000000) +#if defined (GD32450) || defined (GD32405) || defined (GD32F407) || defined (GD32F425) || defined (GD32F427) +#define __SYSTEM_CLOCK_200M_PLL_25M_HXTAL (uint32_t)(200000000) +#endif + +#if defined (GD32F470) +#define __SYSTEM_CLOCK_240M_PLL_25M_HXTAL (uint32_t)(240000000) +#endif + +#define __SYSTEM_CLOCK_240M_PLL_IRC16M (uint32_t)(240000000) +//#define __SYSTEM_CLOCK_240M_PLL_8M_HXTAL (uint32_t)(240000000) +//#define __SYSTEM_CLOCK_240M_PLL_25M_HXTAL (uint32_t)(240000000) + +#define RCU_MODIFY(__delay) do{ \ + volatile uint32_t i; \ + if(0 != __delay){ \ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV2; \ + for(i=0; i<__delay; i++){ \ + } \ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV4; \ + for(i=0; i<__delay; i++){ \ + } \ + } \ + }while(0) + +#define SEL_IRC16M 0x00U +#define SEL_HXTAL 0x01U +#define SEL_PLLP 0x02U + +/* set the system clock frequency and declare the system clock configuration function */ +#ifdef __SYSTEM_CLOCK_IRC16M +uint32_t SystemCoreClock = __SYSTEM_CLOCK_IRC16M; +static void system_clock_16m_irc16m(void); +#elif defined (__SYSTEM_CLOCK_HXTAL) +uint32_t SystemCoreClock = __SYSTEM_CLOCK_HXTAL; +static void system_clock_hxtal(void); +#elif defined (__SYSTEM_CLOCK_120M_PLL_IRC16M) +uint32_t SystemCoreClock = __SYSTEM_CLOCK_120M_PLL_IRC16M; +static void system_clock_120m_irc16m(void); +#elif defined (__SYSTEM_CLOCK_120M_PLL_8M_HXTAL) +uint32_t SystemCoreClock = __SYSTEM_CLOCK_120M_PLL_8M_HXTAL; +static void system_clock_120m_8m_hxtal(void); +#elif defined (__SYSTEM_CLOCK_120M_PLL_25M_HXTAL) +uint32_t SystemCoreClock = __SYSTEM_CLOCK_120M_PLL_25M_HXTAL; +static void system_clock_120m_25m_hxtal(void); +#elif defined (__SYSTEM_CLOCK_168M_PLL_IRC16M) +uint32_t SystemCoreClock = __SYSTEM_CLOCK_168M_PLL_IRC16M; +static void system_clock_168m_irc16m(void); +#elif defined (__SYSTEM_CLOCK_168M_PLL_8M_HXTAL) +uint32_t SystemCoreClock = __SYSTEM_CLOCK_168M_PLL_8M_HXTAL; +static void system_clock_168m_8m_hxtal(void); +#elif defined (__SYSTEM_CLOCK_168M_PLL_25M_HXTAL) +uint32_t SystemCoreClock = __SYSTEM_CLOCK_168M_PLL_25M_HXTAL; +static void system_clock_168m_25m_hxtal(void); +#elif defined (__SYSTEM_CLOCK_200M_PLL_IRC16M) +uint32_t SystemCoreClock = __SYSTEM_CLOCK_200M_PLL_IRC16M; +static void system_clock_200m_irc16m(void); +#elif defined (__SYSTEM_CLOCK_200M_PLL_8M_HXTAL) +uint32_t SystemCoreClock = __SYSTEM_CLOCK_200M_PLL_8M_HXTAL; +static void system_clock_200m_8m_hxtal(void); +#elif defined (__SYSTEM_CLOCK_200M_PLL_25M_HXTAL) +uint32_t SystemCoreClock = __SYSTEM_CLOCK_200M_PLL_25M_HXTAL; +static void system_clock_200m_25m_hxtal(void); +#elif defined (__SYSTEM_CLOCK_240M_PLL_IRC16M) +uint32_t SystemCoreClock = __SYSTEM_CLOCK_240M_PLL_IRC16M; +static void system_clock_240m_irc16m(void); +#elif defined (__SYSTEM_CLOCK_240M_PLL_8M_HXTAL) +uint32_t SystemCoreClock = __SYSTEM_CLOCK_240M_PLL_8M_HXTAL; +static void system_clock_240m_8m_hxtal(void); +#elif defined (__SYSTEM_CLOCK_240M_PLL_25M_HXTAL) +uint32_t SystemCoreClock = __SYSTEM_CLOCK_240M_PLL_25M_HXTAL; +static void system_clock_240m_25m_hxtal(void); + +#endif /* __SYSTEM_CLOCK_IRC16M */ + +/* configure the system clock */ +static void system_clock_config(void); + +/*! + \brief setup the microcontroller system, initialize the system + \param[in] none + \param[out] none + \retval none +*/ +void SystemInit (void) +{ + /* FPU settings */ +#if (__FPU_PRESENT == 1) && (__FPU_USED == 1) + SCB->CPACR |= ((3UL << 10*2)|(3UL << 11*2)); /* set CP10 and CP11 Full Access */ +#endif + /* Reset the RCU clock configuration to the default reset state */ + /* Set IRC16MEN bit */ + RCU_CTL |= RCU_CTL_IRC16MEN; + while(0U == (RCU_CTL & RCU_CTL_IRC16MSTB)){ + } + RCU_MODIFY(0x50); + + RCU_CFG0 &= ~RCU_CFG0_SCS; + + /* Reset HXTALEN, CKMEN and PLLEN bits */ + RCU_CTL &= ~(RCU_CTL_PLLEN | RCU_CTL_CKMEN | RCU_CTL_HXTALEN); + + /* Reset HSEBYP bit */ + RCU_CTL &= ~(RCU_CTL_HXTALBPS); + + /* Reset CFG0 register */ + RCU_CFG0 = 0x00000000U; + + /* wait until IRC16M is selected as system clock */ + while(0 != (RCU_CFG0 & RCU_SCSS_IRC16M)){ + } + + /* Reset PLLCFGR register */ + RCU_PLL = 0x24003010U; + + /* Disable all interrupts */ + RCU_INT = 0x00000000U; + + /* Configure the System clock source, PLL Multiplier and Divider factors, + AHB/APBx prescalers and Flash settings */ + system_clock_config(); +} +/*! + \brief configure the system clock + \param[in] none + \param[out] none + \retval none +*/ +static void system_clock_config(void) +{ +#ifdef __SYSTEM_CLOCK_IRC16M + system_clock_16m_irc16m(); +#elif defined (__SYSTEM_CLOCK_HXTAL) + system_clock_hxtal(); +#elif defined (__SYSTEM_CLOCK_120M_PLL_IRC16M) + system_clock_120m_irc16m(); +#elif defined (__SYSTEM_CLOCK_120M_PLL_8M_HXTAL) + system_clock_120m_8m_hxtal(); +#elif defined (__SYSTEM_CLOCK_120M_PLL_25M_HXTAL) + system_clock_120m_25m_hxtal(); +#elif defined (__SYSTEM_CLOCK_168M_PLL_IRC16M) + system_clock_168m_irc16m(); +#elif defined (__SYSTEM_CLOCK_168M_PLL_8M_HXTAL) + system_clock_168m_8m_hxtal(); +#elif defined (__SYSTEM_CLOCK_168M_PLL_25M_HXTAL) + system_clock_168m_25m_hxtal(); +#elif defined (__SYSTEM_CLOCK_200M_PLL_IRC16M) + system_clock_200m_irc16m(); +#elif defined (__SYSTEM_CLOCK_200M_PLL_8M_HXTAL) + system_clock_200m_8m_hxtal(); +#elif defined (__SYSTEM_CLOCK_200M_PLL_25M_HXTAL) + system_clock_200m_25m_hxtal(); +#elif defined (__SYSTEM_CLOCK_240M_PLL_IRC16M) + system_clock_240m_irc16m(); +#elif defined (__SYSTEM_CLOCK_240M_PLL_8M_HXTAL) + system_clock_240m_8m_hxtal(); +#elif defined (__SYSTEM_CLOCK_240M_PLL_25M_HXTAL) + system_clock_240m_25m_hxtal(); +#endif /* __SYSTEM_CLOCK_IRC16M */ +} + +#ifdef __SYSTEM_CLOCK_IRC16M +/*! + \brief configure the system clock to 16M by IRC16M + \param[in] none + \param[out] none + \retval none +*/ +static void system_clock_16m_irc16m(void) +{ + uint32_t timeout = 0U; + uint32_t stab_flag = 0U; + + /* enable IRC16M */ + RCU_CTL |= RCU_CTL_IRC16MEN; + + /* wait until IRC16M is stable or the startup time is longer than IRC16M_STARTUP_TIMEOUT */ + do{ + timeout++; + stab_flag = (RCU_CTL & RCU_CTL_IRC16MSTB); + }while((0U == stab_flag) && (IRC16M_STARTUP_TIMEOUT != timeout)); + + /* if fail */ + if(0U == (RCU_CTL & RCU_CTL_IRC16MSTB)){ + while(1){ + } + } + + /* AHB = SYSCLK */ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV1; + /* APB2 = AHB */ + RCU_CFG0 |= RCU_APB2_CKAHB_DIV1; + /* APB1 = AHB */ + RCU_CFG0 |= RCU_APB1_CKAHB_DIV1; + + /* select IRC16M as system clock */ + RCU_CFG0 &= ~RCU_CFG0_SCS; + RCU_CFG0 |= RCU_CKSYSSRC_IRC16M; + + /* wait until IRC16M is selected as system clock */ + while(0 != (RCU_CFG0 & RCU_SCSS_IRC16M)){ + } +} + +#elif defined (__SYSTEM_CLOCK_HXTAL) +/*! + \brief configure the system clock to HXTAL + \param[in] none + \param[out] none + \retval none +*/ +static void system_clock_hxtal(void) +{ + uint32_t timeout = 0U; + uint32_t stab_flag = 0U; + + /* enable HXTAL */ + RCU_CTL |= RCU_CTL_HXTALEN; + + /* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */ + do{ + timeout++; + stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB); + }while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout)); + + /* if fail */ + if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){ + while(0U == (RCU_CTL & RCU_CTL_HXTALSTB)) + { + } + } + + /* AHB = SYSCLK */ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV1; + /* APB2 = AHB */ + RCU_CFG0 |= RCU_APB2_CKAHB_DIV1; + /* APB1 = AHB */ + RCU_CFG0 |= RCU_APB1_CKAHB_DIV1; + + /* select HXTAL as system clock */ + RCU_CFG0 &= ~RCU_CFG0_SCS; + RCU_CFG0 |= RCU_CKSYSSRC_HXTAL; + + /* wait until HXTAL is selected as system clock */ + while(0 == (RCU_CFG0 & RCU_SCSS_HXTAL)){ + } +} + +#elif defined (__SYSTEM_CLOCK_120M_PLL_IRC16M) +/*! + \brief configure the system clock to 120M by PLL which selects IRC16M as its clock source + \param[in] none + \param[out] none + \retval none +*/ +static void system_clock_120m_irc16m(void) +{ + uint32_t timeout = 0U; + uint32_t stab_flag = 0U; + + /* enable IRC16M */ + RCU_CTL |= RCU_CTL_IRC16MEN; + + /* wait until IRC16M is stable or the startup time is longer than IRC16M_STARTUP_TIMEOUT */ + do{ + timeout++; + stab_flag = (RCU_CTL & RCU_CTL_IRC16MSTB); + }while((0U == stab_flag) && (IRC16M_STARTUP_TIMEOUT != timeout)); + + /* if fail */ + if(0U == (RCU_CTL & RCU_CTL_IRC16MSTB)){ + while(1){ + } + } + + RCU_APB1EN |= RCU_APB1EN_PMUEN; + PMU_CTL |= PMU_CTL_LDOVS; + + /* IRC16M is stable */ + /* AHB = SYSCLK */ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV1; + /* APB2 = AHB/2 */ + RCU_CFG0 |= RCU_APB2_CKAHB_DIV2; + /* APB1 = AHB/4 */ + RCU_CFG0 |= RCU_APB1_CKAHB_DIV4; + + /* Configure the main PLL, PSC = 16, PLL_N = 240, PLL_P = 2, PLL_Q = 5 */ + RCU_PLL = (16U | (240U << 6U) | (((2U >> 1U) - 1U) << 16U) | + (RCU_PLLSRC_IRC16M) | (5U << 24U)); + + /* enable PLL */ + RCU_CTL |= RCU_CTL_PLLEN; + + /* wait until PLL is stable */ + while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){ + } + + /* Enable the high-drive to extend the clock frequency to 120 Mhz */ + PMU_CTL |= PMU_CTL_HDEN; + while(0U == (PMU_CS & PMU_CS_HDRF)){ + } + + /* select the high-drive mode */ + PMU_CTL |= PMU_CTL_HDS; + while(0U == (PMU_CS & PMU_CS_HDSRF)){ + } + + /* select PLL as system clock */ + RCU_CFG0 &= ~RCU_CFG0_SCS; + RCU_CFG0 |= RCU_CKSYSSRC_PLLP; + + /* wait until PLL is selected as system clock */ + while(0U == (RCU_CFG0 & RCU_SCSS_PLLP)){ + } +} + +#elif defined (__SYSTEM_CLOCK_120M_PLL_8M_HXTAL) +/*! + \brief configure the system clock to 120M by PLL which selects HXTAL(8M) as its clock source + \param[in] none + \param[out] none + \retval none +*/ +static void system_clock_120m_8m_hxtal(void) +{ + uint32_t timeout = 0U; + uint32_t stab_flag = 0U; + + /* enable HXTAL */ + RCU_CTL |= RCU_CTL_HXTALEN; + + /* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */ + do{ + timeout++; + stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB); + }while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout)); + + /* if fail */ + if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){ + while(0U == (RCU_CTL & RCU_CTL_HXTALSTB)) + { + } + } + + RCU_APB1EN |= RCU_APB1EN_PMUEN; + PMU_CTL |= PMU_CTL_LDOVS; + + /* HXTAL is stable */ + /* AHB = SYSCLK */ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV1; + /* APB2 = AHB/2 */ + RCU_CFG0 |= RCU_APB2_CKAHB_DIV2; + /* APB1 = AHB/4 */ + RCU_CFG0 |= RCU_APB1_CKAHB_DIV4; + + /* Configure the main PLL, PSC = 8, PLL_N = 240, PLL_P = 2, PLL_Q = 5 */ + RCU_PLL = (8U | (240U << 6U) | (((2U >> 1U) - 1U) << 16U) | + (RCU_PLLSRC_HXTAL) | (5U << 24U)); + + /* enable PLL */ + RCU_CTL |= RCU_CTL_PLLEN; + + /* wait until PLL is stable */ + while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){ + } + + /* Enable the high-drive to extend the clock frequency to 120 Mhz */ + PMU_CTL |= PMU_CTL_HDEN; + while(0U == (PMU_CS & PMU_CS_HDRF)){ + } + + /* select the high-drive mode */ + PMU_CTL |= PMU_CTL_HDS; + while(0U == (PMU_CS & PMU_CS_HDSRF)){ + } + + /* select PLL as system clock */ + RCU_CFG0 &= ~RCU_CFG0_SCS; + RCU_CFG0 |= RCU_CKSYSSRC_PLLP; + + /* wait until PLL is selected as system clock */ + while(0U == (RCU_CFG0 & RCU_SCSS_PLLP)){ + } +} + +#elif defined (__SYSTEM_CLOCK_120M_PLL_25M_HXTAL) +/*! + \brief configure the system clock to 120M by PLL which selects HXTAL(25M) as its clock source + \param[in] none + \param[out] none + \retval none +*/ +static void system_clock_120m_25m_hxtal(void) +{ + uint32_t timeout = 0U; + uint32_t stab_flag = 0U; + + /* enable HXTAL */ + RCU_CTL |= RCU_CTL_HXTALEN; + + /* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */ + do{ + timeout++; + stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB); + }while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout)); + + /* if fail */ + if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){ + while(0U == (RCU_CTL & RCU_CTL_HXTALSTB)) + { + } + } + + RCU_APB1EN |= RCU_APB1EN_PMUEN; + PMU_CTL |= PMU_CTL_LDOVS; + + /* HXTAL is stable */ + /* AHB = SYSCLK */ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV1; + /* APB2 = AHB/2 */ + RCU_CFG0 |= RCU_APB2_CKAHB_DIV2; + /* APB1 = AHB/4 */ + RCU_CFG0 |= RCU_APB1_CKAHB_DIV4; + + /* Configure the main PLL, PSC = 25, PLL_N = 240, PLL_P = 2, PLL_Q = 5 */ + RCU_PLL = (25U | (240U << 6U) | (((2U >> 1U) - 1U) << 16U) | + (RCU_PLLSRC_HXTAL) | (5U << 24U)); + + /* enable PLL */ + RCU_CTL |= RCU_CTL_PLLEN; + + /* wait until PLL is stable */ + while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){ + } + + /* Enable the high-drive to extend the clock frequency to 120 Mhz */ + PMU_CTL |= PMU_CTL_HDEN; + while(0U == (PMU_CS & PMU_CS_HDRF)){ + } + + /* select the high-drive mode */ + PMU_CTL |= PMU_CTL_HDS; + while(0U == (PMU_CS & PMU_CS_HDSRF)){ + } + + /* select PLL as system clock */ + RCU_CFG0 &= ~RCU_CFG0_SCS; + RCU_CFG0 |= RCU_CKSYSSRC_PLLP; + + /* wait until PLL is selected as system clock */ + while(0U == (RCU_CFG0 & RCU_SCSS_PLLP)){ + } +} + +#elif defined (__SYSTEM_CLOCK_168M_PLL_IRC16M) +/*! + \brief configure the system clock to 168M by PLL which selects IRC16M as its clock source + \param[in] none + \param[out] none + \retval none +*/ +static void system_clock_168m_irc16m(void) +{ + uint32_t timeout = 0U; + uint32_t stab_flag = 0U; + + /* enable IRC16M */ + RCU_CTL |= RCU_CTL_IRC16MEN; + + /* wait until IRC16M is stable or the startup time is longer than IRC16M_STARTUP_TIMEOUT */ + do{ + timeout++; + stab_flag = (RCU_CTL & RCU_CTL_IRC16MSTB); + }while((0U == stab_flag) && (IRC16M_STARTUP_TIMEOUT != timeout)); + + /* if fail */ + if(0U == (RCU_CTL & RCU_CTL_IRC16MSTB)){ + while(1){ + } + } + + RCU_APB1EN |= RCU_APB1EN_PMUEN; + PMU_CTL |= PMU_CTL_LDOVS; + + /* IRC16M is stable */ + /* AHB = SYSCLK */ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV1; + /* APB2 = AHB/2 */ + RCU_CFG0 |= RCU_APB2_CKAHB_DIV2; + /* APB1 = AHB/4 */ + RCU_CFG0 |= RCU_APB1_CKAHB_DIV4; + + /* Configure the main PLL, PSC = 16, PLL_N = 336, PLL_P = 2, PLL_Q = 7 */ + RCU_PLL = (16U | (336U << 6U) | (((2U >> 1U) - 1U) << 16U) | + (RCU_PLLSRC_IRC16M) | (7U << 24U)); + + /* enable PLL */ + RCU_CTL |= RCU_CTL_PLLEN; + + /* wait until PLL is stable */ + while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){ + } + + /* Enable the high-drive to extend the clock frequency to 168 Mhz */ + PMU_CTL |= PMU_CTL_HDEN; + while(0U == (PMU_CS & PMU_CS_HDRF)){ + } + + /* select the high-drive mode */ + PMU_CTL |= PMU_CTL_HDS; + while(0U == (PMU_CS & PMU_CS_HDSRF)){ + } + + /* select PLL as system clock */ + RCU_CFG0 &= ~RCU_CFG0_SCS; + RCU_CFG0 |= RCU_CKSYSSRC_PLLP; + + /* wait until PLL is selected as system clock */ + while(0U == (RCU_CFG0 & RCU_SCSS_PLLP)){ + } +} + +#elif defined (__SYSTEM_CLOCK_168M_PLL_8M_HXTAL) +/*! + \brief configure the system clock to 168M by PLL which selects HXTAL(8M) as its clock source + \param[in] none + \param[out] none + \retval none +*/ +static void system_clock_168m_8m_hxtal(void) +{ + uint32_t timeout = 0U; + + /* enable HXTAL */ + RCU_CTL |= RCU_CTL_HXTALEN; + + /* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */ + while((0U == (RCU_CTL & RCU_CTL_HXTALSTB)) && (HXTAL_STARTUP_TIMEOUT != timeout++)){ + } + + /* if fail */ + if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){ + while(0U == (RCU_CTL & RCU_CTL_HXTALSTB)) + { + } + } + + RCU_APB1EN |= RCU_APB1EN_PMUEN; + PMU_CTL |= PMU_CTL_LDOVS; + /* HXTAL is stable */ + /* AHB = SYSCLK */ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV1; + /* APB2 = AHB/2 */ + RCU_CFG0 |= RCU_APB2_CKAHB_DIV2; + /* APB1 = AHB/4 */ + RCU_CFG0 |= RCU_APB1_CKAHB_DIV4; + + /* Configure the main PLL, PSC = 8, PLL_N = 336, PLL_P = 2, PLL_Q = 7 */ + RCU_PLL = (8U | (336 << 6U) | (((2 >> 1U) -1U) << 16U) | + (RCU_PLLSRC_HXTAL) | (7 << 24U)); + + /* enable PLL */ + RCU_CTL |= RCU_CTL_PLLEN; + + /* wait until PLL is stable */ + while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){ + } + + /* Enable the high-drive to extend the clock frequency to 168 Mhz */ + PMU_CTL |= PMU_CTL_HDEN; + while(0U == (PMU_CS & PMU_CS_HDRF)){ + } + + /* select the high-drive mode */ + PMU_CTL |= PMU_CTL_HDS; + while(0U == (PMU_CS & PMU_CS_HDSRF)){ + } + + /* select PLL as system clock */ + RCU_CFG0 &= ~RCU_CFG0_SCS; + RCU_CFG0 |= RCU_CKSYSSRC_PLLP; + + /* wait until PLL is selected as system clock */ + while(0U == (RCU_CFG0 & RCU_SCSS_PLLP)){ + } +} + +#elif defined (__SYSTEM_CLOCK_168M_PLL_25M_HXTAL) +/*! + \brief configure the system clock to 168M by PLL which selects HXTAL(25M) as its clock source + \param[in] none + \param[out] none + \retval none +*/ +static void system_clock_168m_25m_hxtal(void) +{ + uint32_t timeout = 0U; + uint32_t stab_flag = 0U; + + /* enable HXTAL */ + RCU_CTL |= RCU_CTL_HXTALEN; + + /* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */ + do{ + timeout++; + stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB); + }while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout)); + + /* if fail */ + if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){ + while(0U == (RCU_CTL & RCU_CTL_HXTALSTB)) + { + } + } + + RCU_APB1EN |= RCU_APB1EN_PMUEN; + PMU_CTL |= PMU_CTL_LDOVS; + + /* HXTAL is stable */ + /* AHB = SYSCLK */ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV1; + /* APB2 = AHB */ + RCU_CFG0 |= RCU_APB2_CKAHB_DIV2; + /* APB1 = AHB */ + RCU_CFG0 |= RCU_APB1_CKAHB_DIV4; + + /* Configure the main PLL, PSC = 25, PLL_N = 336, PLL_P = 2, PLL_Q = 7 */ + RCU_PLL = (25U | (336U << 6U) | (((2U >> 1U) - 1U) << 16U) | + (RCU_PLLSRC_HXTAL) | (7U << 24U)); + + /* enable PLL */ + RCU_CTL |= RCU_CTL_PLLEN; + + /* wait until PLL is stable */ + while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){ + } + + /* Enable the high-drive to extend the clock frequency to 168 Mhz */ + PMU_CTL |= PMU_CTL_HDEN; + while(0U == (PMU_CS & PMU_CS_HDRF)){ + } + + /* select the high-drive mode */ + PMU_CTL |= PMU_CTL_HDS; + while(0U == (PMU_CS & PMU_CS_HDSRF)){ + } + + /* select PLL as system clock */ + RCU_CFG0 &= ~RCU_CFG0_SCS; + RCU_CFG0 |= RCU_CKSYSSRC_PLLP; + + /* wait until PLL is selected as system clock */ + while(0U == (RCU_CFG0 & RCU_SCSS_PLLP)){ + } +} + +#elif defined (__SYSTEM_CLOCK_200M_PLL_IRC16M) +/*! + \brief configure the system clock to 200M by PLL which selects IRC16M as its clock source + \param[in] none + \param[out] none + \retval none +*/ +static void system_clock_200m_irc16m(void) +{ + uint32_t timeout = 0U; + uint32_t stab_flag = 0U; + + /* enable IRC16M */ + RCU_CTL |= RCU_CTL_IRC16MEN; + + /* wait until IRC16M is stable or the startup time is longer than IRC16M_STARTUP_TIMEOUT */ + do{ + timeout++; + stab_flag = (RCU_CTL & RCU_CTL_IRC16MSTB); + }while((0U == stab_flag) && (IRC16M_STARTUP_TIMEOUT != timeout)); + + /* if fail */ + if(0U == (RCU_CTL & RCU_CTL_IRC16MSTB)){ + while(1){ + } + } + + RCU_APB1EN |= RCU_APB1EN_PMUEN; + PMU_CTL |= PMU_CTL_LDOVS; + + /* IRC16M is stable */ + /* AHB = SYSCLK */ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV1; + /* APB2 = AHB/2 */ + RCU_CFG0 |= RCU_APB2_CKAHB_DIV2; + /* APB1 = AHB/4 */ + RCU_CFG0 |= RCU_APB1_CKAHB_DIV4; + + /* Configure the main PLL, PSC = 16, PLL_N = 400, PLL_P = 2, PLL_Q = 9 */ + RCU_PLL = (16U | (400U << 6U) | (((2U >> 1U) - 1U) << 16U) | + (RCU_PLLSRC_IRC16M) | (9U << 24U)); + + /* enable PLL */ + RCU_CTL |= RCU_CTL_PLLEN; + + /* wait until PLL is stable */ + while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){ + } + + /* Enable the high-drive to extend the clock frequency to 200 Mhz */ + PMU_CTL |= PMU_CTL_HDEN; + while(0U == (PMU_CS & PMU_CS_HDRF)){ + } + + /* select the high-drive mode */ + PMU_CTL |= PMU_CTL_HDS; + while(0U == (PMU_CS & PMU_CS_HDSRF)){ + } + + /* select PLL as system clock */ + RCU_CFG0 &= ~RCU_CFG0_SCS; + RCU_CFG0 |= RCU_CKSYSSRC_PLLP; + + /* wait until PLL is selected as system clock */ + while(0U == (RCU_CFG0 & RCU_SCSS_PLLP)){ + } +} + +#elif defined (__SYSTEM_CLOCK_200M_PLL_8M_HXTAL) +/*! + \brief configure the system clock to 200M by PLL which selects HXTAL(8M) as its clock source + \param[in] none + \param[out] none + \retval none +*/ +static void system_clock_200m_8m_hxtal(void) +{ + uint32_t timeout = 0U; + uint32_t stab_flag = 0U; + + /* enable HXTAL */ + RCU_CTL |= RCU_CTL_HXTALEN; + + /* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */ + do{ + timeout++; + stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB); + }while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout)); + + /* if fail */ + if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){ + while(0U == (RCU_CTL & RCU_CTL_HXTALSTB)) + { + } + } + + RCU_APB1EN |= RCU_APB1EN_PMUEN; + PMU_CTL |= PMU_CTL_LDOVS; + + /* HXTAL is stable */ + /* AHB = SYSCLK */ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV1; + /* APB2 = AHB/2 */ + RCU_CFG0 |= RCU_APB2_CKAHB_DIV2; + /* APB1 = AHB/4 */ + RCU_CFG0 |= RCU_APB1_CKAHB_DIV4; + + /* Configure the main PLL, PSC = 8, PLL_N = 400, PLL_P = 2, PLL_Q = 9 */ + RCU_PLL = (8U | (400U << 6U) | (((2U >> 1U) - 1U) << 16U) | + (RCU_PLLSRC_HXTAL) | (9U << 24U)); + + /* enable PLL */ + RCU_CTL |= RCU_CTL_PLLEN; + + /* wait until PLL is stable */ + while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){ + } + + /* Enable the high-drive to extend the clock frequency to 200 Mhz */ + PMU_CTL |= PMU_CTL_HDEN; + while(0U == (PMU_CS & PMU_CS_HDRF)){ + } + + /* select the high-drive mode */ + PMU_CTL |= PMU_CTL_HDS; + while(0U == (PMU_CS & PMU_CS_HDSRF)){ + } + + /* select PLL as system clock */ + RCU_CFG0 &= ~RCU_CFG0_SCS; + RCU_CFG0 |= RCU_CKSYSSRC_PLLP; + + /* wait until PLL is selected as system clock */ + while(0U == (RCU_CFG0 & RCU_SCSS_PLLP)){ + } +} + +#elif defined (__SYSTEM_CLOCK_200M_PLL_25M_HXTAL) +/*! + \brief configure the system clock to 200M by PLL which selects HXTAL(25M) as its clock source + \param[in] none + \param[out] none + \retval none +*/ +static void system_clock_200m_25m_hxtal(void) +{ + uint32_t timeout = 0U; + uint32_t stab_flag = 0U; + + /* enable HXTAL */ + RCU_CTL |= RCU_CTL_HXTALEN; + + /* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */ + do{ + timeout++; + stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB); + }while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout)); + + /* if fail */ + if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){ + while(0U == (RCU_CTL & RCU_CTL_HXTALSTB)) + { + } + } + + RCU_APB1EN |= RCU_APB1EN_PMUEN; + PMU_CTL |= PMU_CTL_LDOVS; + + /* HXTAL is stable */ + /* AHB = SYSCLK */ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV1; + /* APB2 = AHB/2 */ + RCU_CFG0 |= RCU_APB2_CKAHB_DIV2; + /* APB1 = AHB/4 */ + RCU_CFG0 |= RCU_APB1_CKAHB_DIV4; + + /* Configure the main PLL, PSC = 25, PLL_N = 400, PLL_P = 2, PLL_Q = 9 */ + RCU_PLL = (25U | (400U << 6U) | (((2U >> 1U) - 1U) << 16U) | + (RCU_PLLSRC_HXTAL) | (9U << 24U)); + + /* enable PLL */ + RCU_CTL |= RCU_CTL_PLLEN; + + /* wait until PLL is stable */ + while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){ + } + + /* Enable the high-drive to extend the clock frequency to 200 Mhz */ + PMU_CTL |= PMU_CTL_HDEN; + while(0U == (PMU_CS & PMU_CS_HDRF)){ + } + + /* select the high-drive mode */ + PMU_CTL |= PMU_CTL_HDS; + while(0U == (PMU_CS & PMU_CS_HDSRF)){ + } + + /* select PLL as system clock */ + RCU_CFG0 &= ~RCU_CFG0_SCS; + RCU_CFG0 |= RCU_CKSYSSRC_PLLP; + + /* wait until PLL is selected as system clock */ + while(0U == (RCU_CFG0 & RCU_SCSS_PLLP)){ + } +} + +#elif defined (__SYSTEM_CLOCK_240M_PLL_IRC16M) +/*! + \brief configure the system clock to 240M by PLL which selects IRC16M as its clock source + \param[in] none + \param[out] none + \retval none +*/ +static void system_clock_240m_irc16m(void) +{ + uint32_t timeout = 0U; + uint32_t stab_flag = 0U; + + /* enable IRC16M */ + RCU_CTL |= RCU_CTL_IRC16MEN; + + /* wait until IRC16M is stable or the startup time is longer than IRC16M_STARTUP_TIMEOUT */ + do{ + timeout++; + stab_flag = (RCU_CTL & RCU_CTL_IRC16MSTB); + }while((0U == stab_flag) && (IRC16M_STARTUP_TIMEOUT != timeout)); + + /* if fail */ + if(0U == (RCU_CTL & RCU_CTL_IRC16MSTB)){ + while(1){ + } + } + + RCU_APB1EN |= RCU_APB1EN_PMUEN; + PMU_CTL |= PMU_CTL_LDOVS; + + /* IRC16M is stable */ + /* AHB = SYSCLK */ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV1; + /* APB2 = AHB/2 */ + RCU_CFG0 |= RCU_APB2_CKAHB_DIV2; + /* APB1 = AHB/4 */ + RCU_CFG0 |= RCU_APB1_CKAHB_DIV4; + + /* Configure the main PLL, PSC = 16, PLL_N = 480, PLL_P = 2, PLL_Q = 10 */ + RCU_PLL = (16U | (480U << 6U) | (((2U >> 1U) - 1U) << 16U) | + (RCU_PLLSRC_IRC16M) | (10U << 24U)); + + /* enable PLL */ + RCU_CTL |= RCU_CTL_PLLEN; + + /* wait until PLL is stable */ + while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){ + } + + /* Enable the high-drive to extend the clock frequency to 240 Mhz */ + PMU_CTL |= PMU_CTL_HDEN; + while(0U == (PMU_CS & PMU_CS_HDRF)){ + } + + /* select the high-drive mode */ + PMU_CTL |= PMU_CTL_HDS; + while(0U == (PMU_CS & PMU_CS_HDSRF)){ + } + + /* select PLL as system clock */ + RCU_CFG0 &= ~RCU_CFG0_SCS; + RCU_CFG0 |= RCU_CKSYSSRC_PLLP; + + /* wait until PLL is selected as system clock */ + while(0U == (RCU_CFG0 & RCU_SCSS_PLLP)){ + } +} + +#elif defined (__SYSTEM_CLOCK_240M_PLL_8M_HXTAL) +/*! + \brief configure the system clock to 240M by PLL which selects HXTAL(8M) as its clock source + \param[in] none + \param[out] none + \retval none +*/ +static void system_clock_240m_8m_hxtal(void) +{ + uint32_t timeout = 0U; + uint32_t stab_flag = 0U; + + /* enable HXTAL */ + RCU_CTL |= RCU_CTL_HXTALEN; + + /* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */ + do{ + timeout++; + stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB); + }while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout)); + + /* if fail */ + if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){ + while(0U == (RCU_CTL & RCU_CTL_HXTALSTB)) + { + } + } + + RCU_APB1EN |= RCU_APB1EN_PMUEN; + PMU_CTL |= PMU_CTL_LDOVS; + + /* HXTAL is stable */ + /* AHB = SYSCLK */ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV1; + /* APB2 = AHB/2 */ + RCU_CFG0 |= RCU_APB2_CKAHB_DIV2; + /* APB1 = AHB/4 */ + RCU_CFG0 |= RCU_APB1_CKAHB_DIV4; + + /* Configure the main PLL, PSC = 8, PLL_N = 480, PLL_P = 2, PLL_Q = 10 */ + RCU_PLL = (8U | (480U << 6U) | (((2U >> 1U) - 1U) << 16U) | + (RCU_PLLSRC_HXTAL) | (10U << 24U)); + + /* enable PLL */ + RCU_CTL |= RCU_CTL_PLLEN; + + /* wait until PLL is stable */ + while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){ + } + + /* Enable the high-drive to extend the clock frequency to 240 Mhz */ + PMU_CTL |= PMU_CTL_HDEN; + while(0U == (PMU_CS & PMU_CS_HDRF)){ + } + + /* select the high-drive mode */ + PMU_CTL |= PMU_CTL_HDS; + while(0U == (PMU_CS & PMU_CS_HDSRF)){ + } + + /* select PLL as system clock */ + RCU_CFG0 &= ~RCU_CFG0_SCS; + RCU_CFG0 |= RCU_CKSYSSRC_PLLP; + + /* wait until PLL is selected as system clock */ + while(0U == (RCU_CFG0 & RCU_SCSS_PLLP)){ + } +} + +#elif defined (__SYSTEM_CLOCK_240M_PLL_25M_HXTAL) +/*! + \brief configure the system clock to 240M by PLL which selects HXTAL(25M) as its clock source + \param[in] none + \param[out] none + \retval none +*/ +static void system_clock_240m_25m_hxtal(void) +{ + uint32_t timeout = 0U; + uint32_t stab_flag = 0U; + + /* enable HXTAL */ + RCU_CTL |= RCU_CTL_HXTALEN; + + /* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */ + do{ + timeout++; + stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB); + }while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout)); + + /* if fail */ + if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){ + while(0U == (RCU_CTL & RCU_CTL_HXTALSTB)) + { + } + } + + RCU_APB1EN |= RCU_APB1EN_PMUEN; + PMU_CTL |= PMU_CTL_LDOVS; + + /* HXTAL is stable */ + /* AHB = SYSCLK */ + RCU_CFG0 |= RCU_AHB_CKSYS_DIV1; + /* APB2 = AHB/2 */ + RCU_CFG0 |= RCU_APB2_CKAHB_DIV2; + /* APB1 = AHB/4 */ + RCU_CFG0 |= RCU_APB1_CKAHB_DIV4; + + /* Configure the main PLL, PSC = 25, PLL_N = 480, PLL_P = 2, PLL_Q = 10 */ + RCU_PLL = (25U | (480U << 6U) | (((2U >> 1U) - 1U) << 16U) | + (RCU_PLLSRC_HXTAL) | (10U << 24U)); + + /* enable PLL */ + RCU_CTL |= RCU_CTL_PLLEN; + + /* wait until PLL is stable */ + while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){ + } + + /* Enable the high-drive to extend the clock frequency to 240 Mhz */ + PMU_CTL |= PMU_CTL_HDEN; + while(0U == (PMU_CS & PMU_CS_HDRF)){ + } + + /* select the high-drive mode */ + PMU_CTL |= PMU_CTL_HDS; + while(0U == (PMU_CS & PMU_CS_HDSRF)){ + } + + /* select PLL as system clock */ + RCU_CFG0 &= ~RCU_CFG0_SCS; + RCU_CFG0 |= RCU_CKSYSSRC_PLLP; + + /* wait until PLL is selected as system clock */ + while(0U == (RCU_CFG0 & RCU_SCSS_PLLP)){ + } +} +#endif /* __SYSTEM_CLOCK_IRC16M */ +/*! + \brief update the SystemCoreClock with current core clock retrieved from cpu registers + \param[in] none + \param[out] none + \retval none +*/ +void SystemCoreClockUpdate(void) +{ + uint32_t sws; + uint32_t pllpsc, plln, pllsel, pllp, ck_src, idx, clk_exp; + + /* exponent of AHB, APB1 and APB2 clock divider */ + const uint8_t ahb_exp[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9}; + + sws = GET_BITS(RCU_CFG0, 2, 3); + switch(sws){ + /* IRC16M is selected as CK_SYS */ + case SEL_IRC16M: + SystemCoreClock = IRC16M_VALUE; + break; + /* HXTAL is selected as CK_SYS */ + case SEL_HXTAL: + SystemCoreClock = HXTAL_VALUE; + break; + /* PLLP is selected as CK_SYS */ + case SEL_PLLP: + /* get the value of PLLPSC[5:0] */ + pllpsc = GET_BITS(RCU_PLL, 0U, 5U); + plln = GET_BITS(RCU_PLL, 6U, 14U); + pllp = (GET_BITS(RCU_PLL, 16U, 17U) + 1U) * 2U; + /* PLL clock source selection, HXTAL or IRC8M/2 */ + pllsel = (RCU_PLL & RCU_PLL_PLLSEL); + if (RCU_PLLSRC_HXTAL == pllsel) { + ck_src = HXTAL_VALUE; + } else { + ck_src = IRC16M_VALUE; + } + SystemCoreClock = ((ck_src / pllpsc) * plln) / pllp; + break; + /* IRC16M is selected as CK_SYS */ + default: + SystemCoreClock = IRC16M_VALUE; + break; + } + /* calculate AHB clock frequency */ + idx = GET_BITS(RCU_CFG0, 4, 7); + clk_exp = ahb_exp[idx]; + SystemCoreClock = SystemCoreClock >> clk_exp; +} diff --git a/system_gd32f4xx.h b/system_gd32f4xx.h new file mode 100755 index 0000000..ab8e80e --- /dev/null +++ b/system_gd32f4xx.h @@ -0,0 +1,58 @@ +/*! + \file system_gd32f4xx.h + \brief CMSIS Cortex-M4 Device Peripheral Access Layer Header File for + GD32F4xx Device Series +*/ + +/* Copyright (c) 2012 ARM LIMITED + + All rights reserved. + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + - Neither the name of ARM nor the names of its contributors may be used + to endorse or promote products derived from this software without + specific prior written permission. + * + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + ---------------------------------------------------------------------------*/ + +/* This file refers the CMSIS standard, some adjustments are made according to GigaDevice chips */ + +#ifndef SYSTEM_GD32F4XX_H +#define SYSTEM_GD32F4XX_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +/* system clock frequency (core clock) */ +extern uint32_t SystemCoreClock; + +/* function declarations */ +/* initialize the system and update the SystemCoreClock variable */ +extern void SystemInit (void); +/* update the SystemCoreClock with current core clock retrieved from cpu registers */ +extern void SystemCoreClockUpdate (void); + +#ifdef __cplusplus +} +#endif + +#endif /* SYSTEM_GD32F4XX_H */