Добавлен интерфейс CAN

This commit is contained in:
cfif 2025-10-03 14:38:14 +03:00
commit 5bd8ffd494
3 changed files with 545 additions and 0 deletions

98
Inc/CanSerialPortFrame.h Normal file
View File

@ -0,0 +1,98 @@
//
// Created by cfif on 16.03.2024.
//
#ifndef FLAGCHIP_CAN_MODULE_CAN_FRAME_H
#define FLAGCHIP_CAN_MODULE_CAN_FRAME_H
#include "SerialPortFrameIO.h"
#include "cmsis_os2.h"
#include "stdbool.h"
#include "device_header.h"
#include "interrupt_manager.h"
#include "fc7xxx_driver_flexcan.h"
#include "fc7xxx_driver_pcc.h"
typedef enum {
CAN_BAUD_RATE_1000K,
CAN_BAUD_RATE_500K,
CAN_BAUD_RATE_250K,
CAN_BAUD_RATE_125K
} eCanBaudRate;
typedef enum {
CAN_STD_ID,
CAN_EXT_ID
} eCanTypeFrame;
#define COUNT_QUEUE 2
typedef struct
{
uint16_t u16CanId; /**< FLEXCAN id */
uint8_t u8DataLen; /**< data length */
uint8_t aData[8]; /**< data buffer */
} can_rx_message_type;
typedef struct {
FLEXCAN_Type *can;
uint8_t CAN_INDEX;
uint32_t id;
uint32_t id1;
eCanTypeFrame canTypeFrame;
bool canFilterEnable;
bool reInit;
eCanBaudRate canBaudRate;
FLEXCAN_RxMbFilterType aRxFiltList[COUNT_QUEUE];
FLEXCAN_RxMbFilterType pRxFilterFifoList[COUNT_QUEUE];
osMessageQueueId_t rxDataQueue[COUNT_QUEUE];
osMessageQueueId_t rxDataSnifferQueue[COUNT_QUEUE];
osMessageQueueId_t txAccessQueue;
} tCanSerialPortFrameFlagchip;
void vCanSerialPortFrameInit(
tCanSerialPortFrameFlagchip *env,
FLEXCAN_Type *CANx, // FLEXCAN0
PCC_ClkSrcType canClock, // PCC_CLK_FLEXCAN0
uint8 CAN_INDEX, // CAN0 = 0 ... CAN3 = 3
eCanBaudRate canBaudRate,
uint8_t irqSubPriority,
eCanTypeFrame canTypeFrame,
uint32_t canId,
FLEXCAN_ErrorInterruptCallBackType CAN_ErrorInterrupt_CallBack,
FLEXCAN_RxInterruptCallBackType CAN_RxInterrupt_CallBack,
FLEXCAN_RxInterruptCallBackType CAN_RxFifoInterrupt_CallBack,
FLEXCAN_TxInterruptCallBackType CAN_TxInterrupt_CallBack
);
void CAN_RxInterrupt_CallBack_Handler(tCanSerialPortFrameFlagchip *env, uint8_t u8CanIndex, FLEXCAN_RxMsgType *pRxCfg);
void CanSerialPortFrameSetId(tCanSerialPortFrameFlagchip *env, uint32_t id);
void CanSerialPortFrameSetId1(tCanSerialPortFrameFlagchip *env, uint32_t id);
void CanSerialPortFrameSetType(tCanSerialPortFrameFlagchip *env, eCanTypeFrame canTypeFrame);
tSerialPortFrameIO CanPortFrame_GetIo(tCanSerialPortFrameFlagchip *env);
tSerialPortFrameIO CanPortFrame_GetSnifferIo(tCanSerialPortFrameFlagchip *env);
#endif //FLAGCHIP_CAN_MODULE_CAN_FRAME_H

423
Src/CanSerialPortFrame.c Normal file
View File

@ -0,0 +1,423 @@
//
// Created by cfif on 16.03.2024.
//
#include <SystemDelayInterface.h>
#include "CanSerialPortFrame.h"
#include "memory.h"
#define CAN_USED_NUM 6U
#define CAN_RECEIVE_MB_NUM 2
static FLEXCAN_RxMsgType s_aaRxDataBuf[CAN_USED_NUM][CAN_RECEIVE_MB_NUM];
#define CAN_GET_BUFFER(index) s_aaRxDataBuf[index/2]
static const PCC_ClkSrcType s_ePccCanTable[] =
{
PCC_CLK_FLEXCAN0,
PCC_CLK_FLEXCAN1,
PCC_CLK_FLEXCAN2,
PCC_CLK_FLEXCAN3
};
static void BSP_CAN_INIT_CFG(FLEXCAN_InitType *pCfg) {
pCfg->bListenOnly = 0U;
pCfg->bEnBrs = 0;
pCfg->bEnDma = 0;
pCfg->bEnFd = 0;
pCfg->bEnRxFifo = 0;
pCfg->eBaudrate = FLEXCAN_BAUD_100K;
pCfg->eClkSrcHz = FLEXCAN_BAUDCLK_HZ_8M;
pCfg->eClkSrcSel = FLEXCAN_CLOCK_FUNCTION;
pCfg->eDataBaud = FLEXCAN_BAUD_100K;
pCfg->eMbDataWidth = FLEXCAN_DATAWIDTH_8;
pCfg->u8EnhancedFifoDmaWM = 0;
pCfg->eDirect = FLEXCAN_DIR_DISABLE;
}
void CanSerialPortFrameSetId(tCanSerialPortFrameFlagchip *env, uint32_t id) {
env->id = id;
}
void CanSerialPortFrameSetId1(tCanSerialPortFrameFlagchip *env, uint32_t id) {
env->id1 = id;
}
void CanSerialPortFrameSetType(tCanSerialPortFrameFlagchip *env, eCanTypeFrame canTypeFrame) {
env->canTypeFrame = canTypeFrame;
}
static void
vCanSerialPortFrameInitStructure(tCanSerialPortFrameFlagchip *env, uint16_t rxDataLength, uint16_t rxSnifferLength) {
for (uint8_t i = 0; i < COUNT_QUEUE; ++i) {
env->rxDataQueue[i] = osMessageQueueNew(rxDataLength, sizeof(can_rx_message_type), NULL);
if (rxSnifferLength) {
env->rxDataSnifferQueue[i] = osMessageQueueNew(rxSnifferLength, sizeof(can_rx_message_type), NULL);
} else {
env->rxDataSnifferQueue[i] = NULL;
}
}
}
void vCanSerialPortFrameInit(
tCanSerialPortFrameFlagchip *env,
FLEXCAN_Type *CANx, // FLEXCAN0
PCC_ClkSrcType canClock, // PCC_CLK_FLEXCAN0
uint8 CAN_INDEX, // CAN0 = 0 ... CAN3 = 3
eCanBaudRate canBaudRate,
uint8_t irqSubPriority,
eCanTypeFrame canTypeFrame,
uint32_t canId,
FLEXCAN_ErrorInterruptCallBackType CAN_ErrorInterrupt_CallBack,
FLEXCAN_RxInterruptCallBackType CAN_RxInterrupt_CallBack,
FLEXCAN_RxInterruptCallBackType CAN_RxFifoInterrupt_CallBack,
FLEXCAN_TxInterruptCallBackType CAN_TxInterrupt_CallBack
) {
FLEXCAN_ErrorType tRetVal;
FLEXCAN_InitType tInitCfg;
FLEXCAN_MBConfigType tMbCfg = {0};
uint32_t u32FuncClk;
PCC_CtrlType bSP_PCC_Config;
FLEXCAN_InterruptType tIntCfg = {0};
env->can = CANx;
env->CAN_INDEX = CAN_INDEX;
bSP_PCC_Config.eClockName = canClock;
bSP_PCC_Config.bEn = TRUE;
bSP_PCC_Config.eClkSrc = PCC_CLKGATE_SRC_FOSCDIV;
bSP_PCC_Config.eDivider = PCC_CLK_DIV_BY1;
PCC_SetPcc(&bSP_PCC_Config);
BSP_CAN_INIT_CFG(&tInitCfg);
tInitCfg.eBaudrate = FLEXCAN_BAUD_500K;
tInitCfg.bEnRxFifo = TRUE;
tInitCfg.bEnDma = FALSE;
tInitCfg.bEnFd = FALSE;
tInitCfg.bEnBrs = FALSE;
tInitCfg.eMbDataWidth = FLEXCAN_DATAWIDTH_8;
u32FuncClk = PCC_GetPccFunctionClock(s_ePccCanTable[CAN_INDEX]);
tInitCfg.eClkSrcSel = FLEXCAN_CLOCK_FUNCTION; /* functional clock */
tInitCfg.eClkSrcHz = (FLEXCAN_BaudClkType) u32FuncClk; /* function clock frequency */
tInitCfg.eDirect = FLEXCAN_DIR_ENABLE_WITHOUT_TRIG;
tRetVal = FLEXCAN_Init(CAN_INDEX, &tInitCfg);
if (tRetVal == FLEXCAN_ERROR_OK) {
/* +++++++++++ can mb initial ++++++++++++ */
/* rx config */
/*
env->aRxFiltList[0].eRxFrameType = FLEXCAN_ID_STD;
env->aRxFiltList[0].u32RxCanId = 0U;
env->aRxFiltList[0].u32RxCanIdMask = 0U;
env->aRxFiltList[1].eRxFrameType = FLEXCAN_ID_STD;
env->aRxFiltList[1].u32RxCanId = 0U;
env->aRxFiltList[1].u32RxCanIdMask = 0U;
tMbCfg.pRxFilterMBList = env->aRxFiltList;
tMbCfg.u8RxFilterMBCnt = sizeof(env->aRxFiltList) / sizeof(env->aRxFiltList[0]);
*/
env->pRxFilterFifoList[0].eRxFrameType = FLEXCAN_ID_STD;
env->pRxFilterFifoList[0].u32RxCanId = 0U;
env->pRxFilterFifoList[0].u32RxCanIdMask = 0U;
env->pRxFilterFifoList[1].eRxFrameType = FLEXCAN_ID_STD;
env->pRxFilterFifoList[1].u32RxCanId = 0U;
env->pRxFilterFifoList[1].u32RxCanIdMask = 0U;
tMbCfg.pRxFilterMBList = env->pRxFilterFifoList;
tMbCfg.u8RxFilterMBCnt = sizeof(env->pRxFilterFifoList) / sizeof(env->pRxFilterFifoList[0]);
tMbCfg.pRxBuf = CAN_GET_BUFFER(CAN_INDEX);
/* tx config */
tMbCfg.u8TxMsgCnt = 3U; /* tx occupy 3 mb */
tRetVal = FLEXCAN_RxFilterConfig(CAN_INDEX, &tMbCfg);
if (CAN_ErrorInterrupt_CallBack == NULL) {
tIntCfg.bEnErrorInterrupt = 0U;
tIntCfg.pErrorNotify = NULL;
tIntCfg.bEnTxMBInterrupt = 0U;
tIntCfg.pRxMBNotify = NULL;
tIntCfg.bEnRxMBInterrupt = 0U;
tIntCfg.pRxFifoNotify = NULL;
tIntCfg.bEnRxFifoInterrupt = 0U;
tIntCfg.pTxMBNotify = NULL;
} else {
tIntCfg.bEnErrorInterrupt = 1U;
tIntCfg.pErrorNotify = CAN_ErrorInterrupt_CallBack;
tIntCfg.bEnTxMBInterrupt = 1U;
tIntCfg.pRxMBNotify = CAN_RxInterrupt_CallBack;
tIntCfg.bEnRxMBInterrupt = 1U;
tIntCfg.pRxFifoNotify = CAN_RxFifoInterrupt_CallBack;
tIntCfg.bEnRxFifoInterrupt = 1U;
tIntCfg.pTxMBNotify = CAN_TxInterrupt_CallBack;
}
FLEXCAN_SetInterrupt(CAN_INDEX, &tIntCfg);
FLEXCAN_Start(CAN_INDEX); /* Start CAN */
}
if (!env->reInit) {
env->reInit = true;
vCanSerialPortFrameInitStructure(env, 10, 0);
CanSerialPortFrameSetType(env, canTypeFrame);
CanSerialPortFrameSetId(env, canId);
env->canBaudRate = canBaudRate;
}
}
void CAN_RxInterrupt_CallBack_Handler(tCanSerialPortFrameFlagchip *env, uint8_t u8CanIndex, FLEXCAN_RxMsgType *pRxCfg) {
can_rx_message_type rx_message_struct;
rx_message_struct.u16CanId = pRxCfg->u32CanId;
rx_message_struct.u8DataLen = pRxCfg->u32DataLen;
memcpy(rx_message_struct.aData, pRxCfg->aData, rx_message_struct.u8DataLen);
osMessageQueuePut(env->rxDataQueue[pRxCfg->u8MbIndex], &rx_message_struct, 0x0, 0U);
if (env->rxDataSnifferQueue[pRxCfg->u8MbIndex]) {
osMessageQueuePut(env->rxDataSnifferQueue[pRxCfg->u8MbIndex], &rx_message_struct, 0x0, 0U);
}
}
static uint16_t vSerialPortFrameReceiveQueue(
tCanSerialPortFrameFlagchip *env, uint8_t *data, uint16_t size, uint32_t timeout, osMessageQueueId_t queueId
) {
uint16_t received = 0;
if (timeout) {
uint32_t endMs = SystemGetMs() + timeout;
uint32_t leftMs;
while (size && ((timeout == SystemWaitForever) || (endMs > SystemGetMs()))) {
leftMs = endMs - SystemGetMs();
if (osMessageQueueGet(queueId, data, NULL, leftMs) == osOK) {
--size;
++received;
++data;
}
}
} else {
while (size) {
if (osMessageQueueGet(queueId, data, NULL, 0) == osOK) {
--size;
++received;
++data;
} else {
return received;
}
}
}
return received;
}
static uint16_t
vCanSerialPortFrameReceive(tCanSerialPortFrameFlagchip *env, uint8_t u8MbIndex, uint8_t *data, uint16_t size,
uint32_t timeout) {
return vSerialPortFrameReceiveQueue(env, data, size, timeout, env->rxDataQueue[u8MbIndex]);
}
static uint16_t
vCanSerialPortFrameReceiveSniffer(tCanSerialPortFrameFlagchip *env, uint8_t u8MbIndex, uint8_t *data, uint16_t size,
uint32_t timeout) {
return env->rxDataSnifferQueue[u8MbIndex]
? vSerialPortFrameReceiveQueue(env, data, size, timeout, env->rxDataSnifferQueue[u8MbIndex])
: 0;
}
uint16_t vCanSerialPortFrameTransmit(tCanSerialPortFrameFlagchip *env, uint8_t *data, uint16_t size, uint32_t timeout) {
uint16_t fullSize = size / 8;
uint8_t tailSize = size % 8;
uint16_t sent = 0;
FLEXCAN_TxMsgType tTxMsg = {0};
FLEXCAN_ErrorType tRetval;
tTxMsg.u32CanId = env->id;
tTxMsg.u8TxHandler = 0U;
tTxMsg.bEnFd = FALSE;
tTxMsg.bEnBrs = FALSE;
tTxMsg.u32DataLen = 8;
tTxMsg.eDataType = FLEXCAN_FRAME_DATA;
tTxMsg.eFrameType = FLEXCAN_ID_STD;
tTxMsg.bWaitTxCompleted = 1U;
tTxMsg.u16WaitTxTimeout = 1000U;
uint16_t len = 0;
for (uint16_t i = 0; i < fullSize; ++i) {
FCFUNC_FcOwnMemcpy(tTxMsg.aData, &data[len], fullSize, NULL);
len += 8;
tRetval = FLEXCAN_TransmitData(env->CAN_INDEX, &tTxMsg);
if (tRetval != FLEXCAN_ERROR_OK) {
FLEXCAN_TransmitAbort(env->CAN_INDEX, tTxMsg.u8TxHandler);
} else {
FLEXCAN_TransmitProcess(env->CAN_INDEX, tTxMsg.u8TxHandler);
}
sent += 8;
size -= 8;
}
if (tailSize) {
tTxMsg.u32DataLen = tailSize;
FCFUNC_FcOwnMemcpy(tTxMsg.aData, &data[len], tailSize, NULL);
tRetval = FLEXCAN_TransmitData(env->CAN_INDEX, &tTxMsg);
if (tRetval != FLEXCAN_ERROR_OK) {
FLEXCAN_TransmitAbort(env->CAN_INDEX, tTxMsg.u8TxHandler);
} else {
FLEXCAN_TransmitProcess(env->CAN_INDEX, tTxMsg.u8TxHandler);
}
sent += tailSize;
size -= tailSize;
}
/*
uint16_t sent = 0;
uint32_t endMs = SystemGetMs() + timeout;
uint16_t fullSize = size / 8;
uint8_t tailSize = size % 8;
uint8_t transmit_mailbox;
can_tx_message_type TxMessage;
if (env->canTypeFrame == CAN_STD_ID) {
TxMessage.standard_id = env->id;
TxMessage.extended_id = 0;
TxMessage.id_type = CAN_ID_STANDARD;
}
if (env->canTypeFrame == CAN_EXT_ID) {
TxMessage.standard_id = 0;
TxMessage.extended_id = env->id;
TxMessage.id_type = CAN_ID_EXTENDED;
}
TxMessage.frame_type = CAN_TFT_DATA;
TxMessage.dlc = 8;
while (size && ((timeout == SystemWaitForever) || (endMs > SystemGetMs()))) {
uint16_t len = 0;
for (uint16_t i = 0; i < fullSize; ++i) {
memcpy(TxMessage.data, &data[len], 8);
len += 8;
transmit_mailbox = can_message_transmitExt(env->can, &TxMessage, CAN_TX_MAILBOX0);
while (can_transmit_status_get(env->can, (can_tx_mailbox_num_type) transmit_mailbox) !=
CAN_TX_STATUS_SUCCESSFUL) {
if (!((timeout == SystemWaitForever) || (endMs > SystemGetMs()))) {
return sent;
}
// if ((can_flag_get(env->can, CAN_BOF_FLAG) != RESET) ||
// (can_flag_get(env->can, CAN_EPF_FLAG) != RESET) ||
// (can_flag_get(env->can, CAN_EAF_FLAG) != RESET)) {
// return sent;
// }
}
sent += 8;
size -= 8;
}
if (tailSize) {
TxMessage.dlc = tailSize;
memcpy(TxMessage.data, &data[len], tailSize);
transmit_mailbox = can_message_transmitExt(env->can, &TxMessage, CAN_TX_MAILBOX0);
can_transmit_status_type status = can_transmit_status_get(env->can,
(can_tx_mailbox_num_type) transmit_mailbox);
while (status != CAN_TX_STATUS_SUCCESSFUL) {
status = can_transmit_status_get(env->can, (can_tx_mailbox_num_type) transmit_mailbox);
if (!((timeout == SystemWaitForever) || (endMs > SystemGetMs()))) {
return sent;
}
}
sent += tailSize;
size -= tailSize;
}
}
*/
return sent;
}
tSerialPortFrameIO CanPortFrame_GetIo(tCanSerialPortFrameFlagchip *env) {
tSerialPortFrameIO io = {
.env = env,
.receive = (SerialPortFrameIOTransaction) vCanSerialPortFrameReceive,
.transmit = (SerialPortFrameIOTransaction) vCanSerialPortFrameTransmit,
};
return io;
}
tSerialPortFrameIO CanPort_GetSnifferIo(tCanSerialPortFrameFlagchip *env) {
tSerialPortFrameIO io = {
.env = env,
.receive = (SerialPortFrameIOTransaction) vCanSerialPortFrameReceiveSniffer,
.transmit = (SerialPortFrameIOTransaction) vCanSerialPortFrameTransmit,
};
return io;
}

24
modular.json Normal file
View File

@ -0,0 +1,24 @@
{
"dep": [
{
"type": "git",
"provider": "HVAC_M7",
"repo": "SerialPort"
},
{
"type": "git",
"provider": "HVAC_M7",
"repo": "SerialPortFrameInterface"
}
],
"cmake": {
"inc_dirs": [
"Inc"
],
"srcs": [
"Src/**.c"
]
}
}