300 lines
9.7 KiB
C
300 lines
9.7 KiB
C
/* Copyright Statement:
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*
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* This software/firmware and related documentation ("AutoChips Software") are
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* protected under relevant copyright laws. The information contained herein is
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* confidential and proprietary to AutoChips Inc. and/or its licensors. Without
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* the prior written permission of AutoChips inc. and/or its licensors, any
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* reproduction, modification, use or disclosure of AutoChips Software, and
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* information contained herein, in whole or in part, shall be strictly
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* prohibited.
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*
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* AutoChips Inc. (C) 2021. All rights reserved.
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*
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* BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
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* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("AUTOCHIPS SOFTWARE")
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* RECEIVED FROM AUTOCHIPS AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER
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* ON AN "AS-IS" BASIS ONLY. AUTOCHIPS EXPRESSLY DISCLAIMS ANY AND ALL
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* WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
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* NONINFRINGEMENT. NEITHER DOES AUTOCHIPS PROVIDE ANY WARRANTY WHATSOEVER WITH
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* RESPECT TO THE SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY,
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* INCORPORATED IN, OR SUPPLIED WITH THE AUTOCHIPS SOFTWARE, AND RECEIVER AGREES
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* TO LOOK ONLY TO SUCH THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO.
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* RECEIVER EXPRESSLY ACKNOWLEDGES THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO
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* OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES CONTAINED IN AUTOCHIPS
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* SOFTWARE. AUTOCHIPS SHALL ALSO NOT BE RESPONSIBLE FOR ANY AUTOCHIPS SOFTWARE
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* RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
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* STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND AUTOCHIPS'S
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* ENTIRE AND CUMULATIVE LIABILITY WITH RESPECT TO THE AUTOCHIPS SOFTWARE
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* RELEASED HEREUNDER WILL BE, AT AUTOCHIPS'S OPTION, TO REVISE OR REPLACE THE
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* AUTOCHIPS SOFTWARE AT ISSUE, OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE
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* CHARGE PAID BY RECEIVER TO AUTOCHIPS FOR SUCH AUTOCHIPS SOFTWARE AT ISSUE.
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*/
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/*!
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* @file port_hw.h
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*
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* @brief This file provides port hardware integration functions interface.
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*
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*/
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/* PRQA S 4304 EOF */ /* Type conversion. */
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#ifndef PORT_HW_H
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#define PORT_HW_H
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* =========================================== Includes =========================================== */
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#include "gpio_drv.h"
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/* ============================================ Define ============================================ */
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/* =========================================== Typedef ============================================ */
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/* ========================================== Variables =========================================== */
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/* ==================================== Functions declaration ===================================== */
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/*!
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* @brief Initializes the pins.
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*
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* @param[in] config: the configuration structure
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* @return none
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*/
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void PORT_Init(const gpio_settings_config_t * config);
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/*!
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* @brief Configures the pin muxing.
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*
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* @param[in] base: port base pointer
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* @param[in] pin: port pin number
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* @param[in] mux: pin muxing slot selection
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* - PORT_PIN_DISABLED: Pin disabled.
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* - PORT_MUX_AS_GPIO : Set as GPIO.
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* - others : chip-specific.
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* @return none
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*/
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void PORT_SetMuxModeSel(PORT_Type * const base, uint32_t pin, port_mux_t mux);
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/*!
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* @brief Get the pin muxing.
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*
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* @param[in] base: port base pointer
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* @param[in] pin: port pin number
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* @return pinmux
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*/
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port_mux_t PORT_GetMuxModeSel(PORT_Type * const base, uint32_t pin);
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/*!
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* @brief Configures the port pin interrupt/DMA request.
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*
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* @param[in] base: port base pointer.
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* @param[in] pin: port pin number
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* @param[in] intConfig: interrupt configuration
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* - PORT_INT_DISABLED : Interrupt/DMA request disabled.
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* - PORT_DMA_RISING_EDGE : DMA request on rising edge.
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* - PORT_DMA_FALLING_EDGE : DMA request on falling edge.
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* - PORT_DMA_EITHER_EDGE : DMA request on either edge.
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* - PORT_INT_RISING_EDGE : Interrupt on rising edge.
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* - PORT_INT_FALLING_EDGE : Interrupt on falling edge.
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* - PORT_INT_EITHER_EDGE : Interrupt on either edge.
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* @return none
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*/
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void PORT_SetPinIntSel(PORT_Type * const base, uint32_t pin, port_interrupt_config_t intConfig);
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/* ===================================== Functions definition ===================================== */
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/*!
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* @brief Configures the internal pull-up/down resistor.
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*
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* @param[in] base: port base pointer.
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* @param[in] pin: port pin number
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* @param[in] pullConfig: internal pull-up/down resistor configuration
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* - PORT_PULL_NOT_ENABLED: internal pull-down or pull-up resistor is not enabled.
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* - PORT_PULL_DOWN_ENABLED: internal pull-down resistor is enabled.
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* - PORT_PULL_UP_ENABLED: internal pull-up resistor is enabled.
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* @return none
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*/
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static inline void PORT_SetPullSel(PORT_Type * const base, uint32_t pin, port_pull_config_t pullConfig)
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{
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DEVICE_ASSERT(pin < PORT_PCR_COUNT);
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uint32_t regValue = base->PCR[pin];
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switch (pullConfig)
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{
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case PORT_INTERNAL_PULL_NOT_ENABLED:
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regValue &= ~(PORT_PCR_PU_Msk | PORT_PCR_PD_Msk);
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base->PCR[pin] = regValue;
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break;
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case PORT_INTERNAL_PULL_DOWN_ENABLED:
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regValue &= ~PORT_PCR_PU_Msk;
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regValue |= PORT_PCR_PD_Msk;
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base->PCR[pin] = regValue;
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break;
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case PORT_INTERNAL_PULL_UP_ENABLED:
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regValue &= ~PORT_PCR_PD_Msk;
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regValue |= PORT_PCR_PU_Msk;
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base->PCR[pin] = regValue;
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break;
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default:
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/* invalid command */
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DEVICE_ASSERT(false);
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break;
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}
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}
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/*!
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* @brief Gets the current port pin interrupt/DMA request configuration.
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*
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* @param[in] base: port base pointer
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* @param[in] pin: port pin number
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* @return interrupt configuration:
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* - PORT_INT_DISABLED : Interrupt/DMA request disabled.
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* - PORT_DMA_RISING_EDGE : DMA request on rising edge.
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* - PORT_DMA_FALLING_EDGE : DMA request on falling edge.
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* - PORT_DMA_EITHER_EDGE : DMA request on either edge.
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* - PORT_INT_RISING_EDGE : Interrupt on rising edge.
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* - PORT_INT_FALLING_EDGE : Interrupt on falling edge.
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* - PORT_INT_EITHER_EDGE : Interrupt on either edge.
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*/
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static inline port_interrupt_config_t PORT_GetPinIntSel(const PORT_Type * const base, uint32_t pin)
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{
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DEVICE_ASSERT(pin < PORT_PCR_COUNT);
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uint32_t regValue = base->PCR[pin];
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regValue = (regValue & PORT_PCR_IRQC_Msk) >> PORT_PCR_IRQC_Pos;
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return (port_interrupt_config_t)regValue;
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}
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/*!
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* @brief Clears the individual pin interrupt status flag.
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*
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* @param[in] base: port base pointer
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* @param[in] pin: port pin number
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* @return none
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*/
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static inline void PORT_ClearPinIntFlagCmd(PORT_Type * const base, uint32_t pin)
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{
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DEVICE_ASSERT(pin < PORT_PCR_COUNT);
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uint32_t regValue = base->PCR[pin];
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regValue &= ~(PORT_PCR_ISF_Msk);
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regValue |= (uint32_t)1U << PORT_PCR_ISF_Pos;
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base->PCR[pin] = regValue;
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}
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/*!
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* @brief Enables digital filter for digital pin muxing.
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*
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* @param[in] base: port base pointer
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* @param[in] pin: port pin number
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* @return none
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*/
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static inline void PORT_EnableDigitalFilter(PORT_Type * const base, uint32_t pin)
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{
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DEVICE_ASSERT(pin < PORT_PCR_COUNT);
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base->DFER |= (uint32_t)1U << pin;
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}
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/*!
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* @brief Disables digital filter for digital pin muxing.
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*
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* @param[in] base: port base pointer
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* @param[in] pin: port pin number
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* @return none
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*/
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static inline void PORT_DisableDigitalFilter(PORT_Type * const base, uint32_t pin)
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{
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DEVICE_ASSERT(pin < PORT_PCR_COUNT);
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base->DFER &= ~((uint32_t)1U << pin);
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}
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/*!
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* @brief Set drive strength.
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*
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* @param[in] base: port base pointer
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* @param[in] pin: port pin number
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* @param[in] enable: Low or high drive strength
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* @return none
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*/
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static inline void PORT_SetDriveStrength(PORT_Type * const base, uint32_t pin, bool enable)
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{
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DEVICE_ASSERT(pin < PORT_PCR_COUNT);
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MODIFY_REG32(base->PCR[pin], PORT_PCR_DSE_Msk, PORT_PCR_DSE_Pos, enable);
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}
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/*!
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* @brief Configures digital filter clock for port with given configuration.
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*
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* @param[in] base: port base pointer
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* @param[in] config: configuration struct
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* @return none
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*/
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static inline void PORT_ConfigDigitalFilter(PORT_Type * const base,
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const port_digital_filter_config_t * const config)
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{
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DEVICE_ASSERT(config->width <= PORT_DFWR_FILT_Msk);
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base->DFCR = (uint32_t)config->clock;
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base->DFWR = (config->width & PORT_DFWR_FILT_Msk);
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}
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/*!
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* @brief Get the port interrupt status flag.
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*
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* @param[in] base: port base pointer
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* @return all 32 pin interrupt status flags. For each bit:
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* - 0: interrupt is not detected.
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* - 1: interrupt is detected.
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*/
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static inline uint32_t PORT_GetPortIntFlag(const PORT_Type * const base)
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{
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uint32_t regValue = base->ISFR;
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return regValue;
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}
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/*!
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* @brief Clears the entire port interrupt status flag.
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*
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* @param[in] base: port base pointer
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* @param[in] value: clear the port interrupt flag value
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* @return none
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*/
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static inline void PORT_ClearPortIntFlagCmd(PORT_Type * const base, uint32_t value)
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{
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base->ISFR = value;
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}
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/*!
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* @brief Set GPIO lock bit.
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*
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* @param[in] base: PORTA, B, C, D, E
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* @param[in] pin: pin index, value can be 0 to 31
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* @param[in] enable: GPIO configuration lock function. 1:lock 0:not lock
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* @return none
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*/
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static inline void PORT_SetLock(PORT_Type * const base, uint32_t pin, bool enable)
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{
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MODIFY_REG32((base)->PCR[pin], PORT_PCR_LK_Msk, PORT_PCR_LK_Pos, (enable));
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}
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* PORT_HW_H */
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/* ============================================= EOF ============================================== */
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