CanSerialPortFrame_Flagchip.../Src/CanSerialPortFrame.c

470 lines
16 KiB
C

//
// Created by cfif on 16.03.2024.
//
#include <SystemDelayInterface.h>
#include "CanSerialPortFrame.h"
#include "memory.h"
#define CAN_USED_NUM 2U // Количество CAN
#define CAN_RECEIVE_MB_NUM 32 //
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;
}
static void BSP_CAN_INIT_MBConfig(FLEXCAN_MBConfigType *pMbCfg) {
pMbCfg->pRxFilterFifoList = NULL;
pMbCfg->u8RxFilterFifoCnt = 0;
pMbCfg->pRxFilterMBList = NULL;
pMbCfg->u8RxFilterMBCnt = 0;
pMbCfg->u8TxMsgCnt = 0;
pMbCfg->pRxBuf = NULL;
}
void CanSerialPortFrameSetId(tCanSerialPortFrameFlagchip *env, uint32_t id) {
env->id = id;
}
void CanSerialPortFrameSetType(tCanSerialPortFrameFlagchip *env, FLEXCAN_IdType 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 vCanSerialPortFrameDMAInit(
tCanSerialPortFrameFlagchip *env,
FLEXCAN_Type *CANx, // FLEXCAN0
uint8 CAN_INDEX, // CAN0 = 0 ... CAN3 = 3
IRQn_Type IRQ_CAN, // FlexCAN0_IRQn ... FlexCAN3_IRQn
uint8 CAN_PRIORITY,
DMA_ChannelType DMA_CHANNEL_RX,
DMA_RequestSourceType DMA_CHANNEL_REQ_RX, // DMA_REQ_FLEXCAN0
const uint8_t *DMA_BUF_RX,
uint8_t DMA_BUF_LEN_RX,
const FilterTo_FLEXCAN_RxMbFilterType *IdSoftFilter_RX,
uint8_t CountSoftFilter_RX,
const FLEXCAN_RxMbFilterType *IdFilterFifo_RX,
uint8_t CountFilterFifo_RX,
IRQn_Type IRQ_DMA_RX,
uint8_t IRQ_DMA_PRIORITY_RX,
uint8_t IRQ_DMA_CHANNEL_PRIORITY_RX,
FLEXCAN_BaudType canBaudRate,
FLEXCAN_IdType canTypeFrame,
uint32_t canId,
FLEXCAN_ErrorInterruptCallBackType CAN_ErrorInterrupt_CallBack,
FLEXCAN_RxInterruptCallBackType CAN_RxInterrupt_CallBack,
FLEXCAN_RxInterruptCallBackType CAN_RxFifoInterrupt_CallBack,
FLEXCAN_TxInterruptCallBackType CAN_TxInterrupt_CallBack,
DMA_TransferCompleteCallbackType DMA_TransferCompleteCallback,
DMA_TransferErrorCallbackType DMA_ErrorCallback
) {
env->g_u32RxDataIndex = 0;
env->can = CANx;
env->CAN_INDEX = CAN_INDEX;
env->DMA_BUF_LEN_RX = DMA_BUF_LEN_RX;
env->IdSoftFilter_RX = (FilterTo_FLEXCAN_RxMbFilterType *) IdSoftFilter_RX;
env->CountSoftFilter_RX = CountSoftFilter_RX;
//начало-----------------------------------DMA-RX-------------------------------------------------------------------
//начало-----------------------------------DMA-RX-------------------------------------------------------------------
//начало-----------------------------------DMA-RX-------------------------------------------------------------------
uint32_t u32TargetAddr = (uint32_t) (DMA_BUF_RX);
env->chnCfg_RX.pSrcBuffer = &(CANx->RAM[0]);
env->chnCfg_RX.pDestBuffer = (void *) (u32TargetAddr);
env->chnCfg_RX.u32BlockSize = DMA_BUF_LEN_RX;
env->chnCfg_RX.u16BlockCount = 1U;
env->chnCfg_RX.u8ChannelPriority = IRQ_DMA_CHANNEL_PRIORITY_RX;
env->chnCfg_RX.eSrcDataSize = DMA_TRANSFER_SIZE_4B;
env->chnCfg_RX.eDestDataSize = DMA_TRANSFER_SIZE_4B;
env->chnCfg_RX.eSrcIncMode = DMA_INCREMENT_DATA_SIZE;
env->chnCfg_RX.eDestIncMode = DMA_INCREMENT_DATA_SIZE;
env->chnCfg_RX.bSrcBlockOffsetEn = 0U;
env->chnCfg_RX.bDestBlockOffsetEn = 0U;
env->chnCfg_RX.s32BlockOffset = 0;
env->chnCfg_RX.bSrcAddrLoopbackEn = 1U;
env->chnCfg_RX.bDestAddrLoopbackEn = false;
env->chnCfg_RX.bAutoStop = 0U;
env->chnCfg_RX.bSrcCircularBufferEn = false;
env->chnCfg_RX.u32SrcCircBufferSize = DMA_CIRCULAR_BUFFER_SIZE_1B;
env->chnCfg_RX.bDestCircularBufferEn = true;
env->chnCfg_RX.u32DestCircBufferSize = 256U;
env->chnCfg_RX.eTriggerSrc = DMA_CHANNEL_REQ_RX;
DMA_InitChannel(DMA_INSTANCE_0, (DMA_ChannelType) DMA_CHANNEL_RX, &env->chnCfg_RX);
env->interruptCfg_RX.bTransferCompleteIntEn = 1;
env->interruptCfg_RX.pTransferCompleteNotify = DMA_TransferCompleteCallback;
env->interruptCfg_RX.bTransferErrorIntEn = 1;
env->interruptCfg_RX.pTransferErrorNotify = DMA_ErrorCallback;
DMA_InitChannelInterrupt(DMA_INSTANCE_0, (DMA_ChannelType) DMA_CHANNEL_RX, &env->interruptCfg_RX);
NVIC_SetPriority(DMA_Error_IRQn, IRQ_DMA_PRIORITY_RX);
NVIC_SetPriority(IRQ_DMA_RX, IRQ_DMA_PRIORITY_RX);
NVIC_EnableIRQ(IRQ_DMA_RX);
DMA_StartChannel(DMA_INSTANCE_0, (DMA_ChannelType) DMA_CHANNEL_RX);
//конец-----------------------------------DMA-RX--------------------------------------------------------------------
//конец-----------------------------------DMA-RX--------------------------------------------------------------------
//конец-----------------------------------DMA-RX--------------------------------------------------------------------
//начало------------------------------------CAN---------------------------------------------------------------------
//начало------------------------------------CAN---------------------------------------------------------------------
//начало------------------------------------CAN---------------------------------------------------------------------
FLEXCAN_ErrorType tRetVal;
uint32_t u32FuncClk;
tRetVal = FLEXCAN_DeInit(CAN_INDEX);
BSP_CAN_INIT_CFG(&env->tInitCfg);
BSP_CAN_INIT_MBConfig(&env->tMbCfg);
env->tInitCfg.eBaudrate = canBaudRate;
env->tInitCfg.eDataBaud = canBaudRate;
env->tInitCfg.bEnRxFifo = TRUE;
env->tInitCfg.bEnDma = TRUE;
env->tInitCfg.bEnFd = FALSE;
env->tInitCfg.bEnBrs = FALSE;
env->tInitCfg.eMbDataWidth = FLEXCAN_DATAWIDTH_8;
u32FuncClk = PCC_GetPccFunctionClock(s_ePccCanTable[CAN_INDEX]);
env->tInitCfg.eClkSrcSel = FLEXCAN_CLOCK_FUNCTION; // functional clock
env->tInitCfg.eClkSrcHz = (FLEXCAN_BaudClkType) u32FuncClk; // function clock frequency
env->tInitCfg.eDirect = FLEXCAN_DIR_ENABLE_WITHOUT_TRIG;
tRetVal = FLEXCAN_Init(CAN_INDEX, &env->tInitCfg);
if (tRetVal == FLEXCAN_ERROR_OK) {
env->tMbCfg.pRxFilterMBList = NULL;
env->tMbCfg.u8RxFilterMBCnt = 0;
for (uint8_t i = 0; i < CountFilterFifo_RX; ++i) {
env->pRxFilterFifoList[i].eRxFrameType = IdFilterFifo_RX[i].eRxFrameType;
env->pRxFilterFifoList[i].u32RxCanId = IdFilterFifo_RX[i].u32RxCanId;
env->pRxFilterFifoList[i].u32RxCanIdMask = IdFilterFifo_RX[i].u32RxCanIdMask;
}
env->tMbCfg.pRxFilterFifoList = env->pRxFilterFifoList;
env->tMbCfg.u8RxFilterFifoCnt = CountFilterFifo_RX;
env->tMbCfg.pRxBuf = CAN_GET_BUFFER(CAN_INDEX);
// tx config
env->tMbCfg.u8TxMsgCnt = 3U; // tx occupy 3 mb
tRetVal = FLEXCAN_RxFilterConfig(CAN_INDEX, &env->tMbCfg);
if (CAN_ErrorInterrupt_CallBack == NULL) {
env->tIntCfg.bEnErrorInterrupt = 0U;
env->tIntCfg.pErrorNotify = NULL;
env->tIntCfg.bEnTxMBInterrupt = 0U;
env->tIntCfg.pRxMBNotify = NULL;
env->tIntCfg.bEnRxMBInterrupt = 0U;
env->tIntCfg.pRxFifoNotify = NULL;
env->tIntCfg.bEnRxFifoInterrupt = 0U;
env->tIntCfg.pTxMBNotify = NULL;
} else {
env->tIntCfg.bEnErrorInterrupt = 1U;
env->tIntCfg.pErrorNotify = CAN_ErrorInterrupt_CallBack;
env->tIntCfg.bEnTxMBInterrupt = 1U;
env->tIntCfg.pRxMBNotify = CAN_RxInterrupt_CallBack;
env->tIntCfg.bEnRxMBInterrupt = 1U;
env->tIntCfg.pRxFifoNotify = CAN_RxFifoInterrupt_CallBack;
env->tIntCfg.bEnRxFifoInterrupt = 1U;
env->tIntCfg.pTxMBNotify = CAN_TxInterrupt_CallBack;
}
if ((env->tIntCfg.bEnErrorInterrupt) ||
(env->tIntCfg.bEnTxMBInterrupt) ||
(env->tIntCfg.bEnRxMBInterrupt) ||
(env->tIntCfg.bEnRxFifoInterrupt)) {
NVIC_SetPriority(IRQ_CAN, CAN_PRIORITY);
NVIC_EnableIRQ(IRQ_CAN);
FLEXCAN_SetInterrupt(CAN_INDEX, &env->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;
}
//конец------------------------------------CAN----------------------------------------------------------------------
//конец------------------------------------CAN----------------------------------------------------------------------
//конец------------------------------------CAN----------------------------------------------------------------------
}
static void CanSerialPortFrameAddDataQueue(tCanSerialPortFrameFlagchip *env, can_rx_message_type *rx_message_struct,
uint8_t filter) {
osMessageQueuePut(env->rxDataQueue[filter], rx_message_struct, 0x0, 0U);
if (env->rxDataSnifferQueue[filter]) {
osMessageQueuePut(env->rxDataSnifferQueue[filter], rx_message_struct, 0x0, 0U);
}
}
void CanSerialPortFrameIrqRxProcessing(tCanSerialPortFrameFlagchip *env, uint32_t *pBuf) {
// message buffer 1th word
uint32_t u32TempAddr = (uint32_t) FLEXCAN_MB_WORDN_ADDR(&pBuf[env->pBufCounter << 2], 0U, 8U, 0U);
uint32_t dlc = FLEXCAN_MB_DLC_GET(u32TempAddr);
env->rx_message_struct.dlc = FLEXCAN_DlcToDataLen(dlc);
env->rx_message_struct.id_type = FLEXCAN_MB_IDE_GET(u32TempAddr);
// message buffer 2th word
u32TempAddr = (uint32_t) FLEXCAN_MB_WORDN_ADDR(&pBuf[env->pBufCounter << 2], 0U, 8U, 4U);
if (env->rx_message_struct.id_type == FLEXCAN_ID_STD) {
env->rx_message_struct.standard_id = FLEXCAN_MB_STDID_GET(u32TempAddr);
} else {
env->rx_message_struct.extended_id = FLEXCAN_MB_EXTID_GET(u32TempAddr);
}
uint8_t index = 0xFF;
for (uint8_t i = 0; i < env->CountSoftFilter_RX; ++i) {
if ((env->rx_message_struct.id_type == FLEXCAN_ID_STD) && (env->IdSoftFilter_RX[i].eRxFrameType == FLEXCAN_ID_STD)) {
if (env->rx_message_struct.standard_id == env->IdSoftFilter_RX[i].u32RxCanId) {
env->rx_message_struct.filter_index = env->IdSoftFilter_RX[i].filter;
index = i;
break;
}
} else {
if (env->rx_message_struct.extended_id == env->IdSoftFilter_RX[i].u32RxCanId) {
if (env->rx_message_struct.extended_id == env->IdSoftFilter_RX[i].u32RxCanId) {
env->rx_message_struct.filter_index = env->IdSoftFilter_RX[i].filter;
index = i;
break;
}
}
}
}
if (index != 0xFF) {
// message buffer 3th word
uint32_t *pSrc = (uint32_t *) FLEXCAN_MB_WORDN_ADDR(&pBuf[env->pBufCounter << 2], 0U, 8U, 8U);
uint32_t *pDest = (uint32_t *) &env->rx_message_struct.data[0];
uint32_t u32WordLen = env->rx_message_struct.dlc / 4U + (env->rx_message_struct.dlc % 4U > 0U ? 1U : 0U);
for (uint32_t u8Index = 0U; u8Index < u32WordLen; ++u8Index) {
REV_BYTES_32(pSrc[u8Index], pDest[u8Index]);
}
CanSerialPortFrameAddDataQueue(env, &env->rx_message_struct, env->IdSoftFilter_RX[index].filter);
}
++env->pBufCounter;
if (env->pBufCounter >= env->DMA_BUF_LEN_RX) {
env->pBufCounter = 0;
}
}
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 idFilter, uint8_t *data, uint16_t size,
uint32_t timeout) {
return vSerialPortFrameReceiveQueue(env, data, size, timeout, env->rxDataQueue[idFilter]);
}
static uint16_t
vCanSerialPortFrameReceiveSniffer(tCanSerialPortFrameFlagchip *env, uint8_t idFilter, uint8_t *data, uint16_t size,
uint32_t timeout) {
return env->rxDataSnifferQueue
? vSerialPortFrameReceiveQueue(env, data, size, timeout, env->rxDataSnifferQueue[idFilter])
: 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_IdType) env->canTypeFrame;
tTxMsg.bWaitTxCompleted = 1U;
tTxMsg.u16WaitTxTimeout = 10000U;
uint16_t len = 0;
for (uint16_t i = 0; i < fullSize; ++i) {
FCFUNC_FcOwnMemcpy(tTxMsg.aData, &data[len], 8, 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;
}
return sent;
}
tSerialPortFrameIO CanPortFrame_GetIo(tCanSerialPortFrameFlagchip *env) {
tSerialPortFrameIO io = {
.env = env,
.receive = (SerialPortFrameReceivedTransaction) vCanSerialPortFrameReceive,
.transmit = (SerialPortFrameTransmitTransaction) vCanSerialPortFrameTransmit
};
return io;
}
tSerialPortFrameIO CanPort_GetSnifferIo(tCanSerialPortFrameFlagchip *env) {
tSerialPortFrameIO io = {
.env = env,
.receive = (SerialPortFrameReceivedTransaction) vCanSerialPortFrameReceive,
.transmit = (SerialPortFrameTransmitTransaction) vCanSerialPortFrameTransmit
};
return io;
}