mirror of
https://gitee.com/dlmu-cone/tronone-h7-scaffold
synced 2026-07-23 19:25:09 +08:00
add bsp_fdcan.c/.h
This commit is contained in:
97
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97
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216
User_Code/bsp/fdcan/bsp_fdcan.c
Normal file
216
User_Code/bsp/fdcan/bsp_fdcan.c
Normal file
@@ -0,0 +1,216 @@
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#include "bsp_fdcan.h"
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#include "fdcan.h"
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/**
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************************************************************************
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* @brief: bsp_can_init(void)
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* @param: void
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* @retval: void
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* @details: CAN 使能
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************************************************************************
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**/
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void bsp_can_init(void)
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{
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can_filter_init();
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HAL_FDCAN_Start(&hfdcan1); //开启FDCAN
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HAL_FDCAN_Start(&hfdcan2);
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HAL_FDCAN_Start(&hfdcan3);
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HAL_FDCAN_ActivateNotification(&hfdcan1, FDCAN_IT_RX_FIFO0_WATERMARK, 0);
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HAL_FDCAN_ActivateNotification(&hfdcan1, FDCAN_IT_RX_FIFO1_WATERMARK, 0);
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HAL_FDCAN_ActivateNotification(&hfdcan1, FDCAN_IT_RX_BUFFER_NEW_MESSAGE, 0);
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HAL_FDCAN_ActivateNotification(&hfdcan1,
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0 | FDCAN_IT_RX_FIFO0_WATERMARK | FDCAN_IT_RX_FIFO0_WATERMARK
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| FDCAN_IT_TX_COMPLETE | FDCAN_IT_TX_FIFO_EMPTY | FDCAN_IT_BUS_OFF
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| FDCAN_IT_ARB_PROTOCOL_ERROR | FDCAN_IT_DATA_PROTOCOL_ERROR
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| FDCAN_IT_ERROR_PASSIVE | FDCAN_IT_ERROR_WARNING,
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0x00000F00);
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}
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/**
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************************************************************************
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* @brief: can_filter_init(void)
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* @param: void
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* @retval: void
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* @details: CAN滤波器初始化
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************************************************************************
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**/
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void can_filter_init(void)
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{
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FDCAN_FilterTypeDef fdcan_filter;
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fdcan_filter.IdType = FDCAN_STANDARD_ID; //标准ID
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fdcan_filter.FilterIndex = 0; //滤波器索引
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fdcan_filter.FilterType = FDCAN_FILTER_MASK;
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fdcan_filter.FilterConfig = FDCAN_FILTER_TO_RXFIFO0; //过滤器0关联到FIFO0
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fdcan_filter.FilterID1 = 0x00;
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fdcan_filter.FilterID2 = 0x00;
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HAL_FDCAN_ConfigFilter(&hfdcan1,&fdcan_filter); //接收ID2
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//拒绝接收匹配不成功的标准ID和扩展ID,不接受远程帧
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HAL_FDCAN_ConfigGlobalFilter(&hfdcan1,FDCAN_REJECT,FDCAN_REJECT,FDCAN_REJECT_REMOTE,FDCAN_REJECT_REMOTE);
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HAL_FDCAN_ConfigFifoWatermark(&hfdcan1, FDCAN_CFG_RX_FIFO0, 1);
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HAL_FDCAN_ConfigFifoWatermark(&hfdcan1, FDCAN_CFG_RX_FIFO1, 1);
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HAL_FDCAN_ActivateNotification(&hfdcan1, FDCAN_IT_TX_COMPLETE, FDCAN_TX_BUFFER0);
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}
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void bsp_fdcan_set_baud(hcan_t *hfdcan, uint8_t mode, uint8_t baud)
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{
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uint32_t nom_brp=0, nom_seg1=0, nom_seg2=0, nom_sjw=0;
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uint32_t dat_brp=0, dat_seg1=0, dat_seg2=0, dat_sjw=0;
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/* nominal_baud = 80M/brp/(1+seg1+seg2)
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sample point = (1+seg1)/(1+seg1+sjw) */
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if(mode == CAN_CLASS)
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{
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switch (baud)
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{
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case CAN_BR_125K: nom_brp=4 ; nom_seg1=139; nom_seg2=20; nom_sjw=20; break; // sample point 87.5%
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case CAN_BR_200K: nom_brp=2 ; nom_seg1=174; nom_seg2=25; nom_sjw=25; break; // sample point 87.5%
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case CAN_BR_250K: nom_brp=2 ; nom_seg1=139; nom_seg2=20; nom_sjw=20; break; // sample point 87.5%
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case CAN_BR_500K: nom_brp=1 ; nom_seg1=139; nom_seg2=20; nom_sjw=20; break; // sample point 87.5%
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case CAN_BR_1M: nom_brp=1 ; nom_seg1=59 ; nom_seg2=20; nom_sjw=20; break; // sample point 75%
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}
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dat_brp=1 ; dat_seg1=29; dat_seg2=10; dat_sjw=10; // 仲裁域默认1M
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hfdcan->Init.FrameFormat = FDCAN_FRAME_CLASSIC;
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}
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/* data_baud = 80M/brp/(1+seg1+seg2)
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sample point = (1+seg1)/(1+seg1+sjw) */
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if(mode == CAN_FD_BRS)
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{
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switch (baud)
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{
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case CAN_BR_2M: dat_brp=1 ; dat_seg1=29; dat_seg2=10; dat_sjw=10; break; // sample point 75%
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case CAN_BR_2M5: dat_brp=1 ; dat_seg1=25; dat_seg2=6 ; dat_sjw=6 ; break; // sample point 81.25%
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case CAN_BR_3M2: dat_brp=1 ; dat_seg1=19; dat_seg2=5 ; dat_sjw=5 ; break; // sample point 80%
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case CAN_BR_4M: dat_brp=1 ; dat_seg1=14; dat_seg2=5 ; dat_sjw=5 ; break; // sample point 75%
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case CAN_BR_5M: dat_brp=1 ; dat_seg1=13; dat_seg2=2 ; dat_sjw=2 ; break; // sample point 87.5%
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}
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nom_brp=1 ; nom_seg1=59 ; nom_seg2=20; nom_sjw=20; // 数据域默认1M
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hfdcan->Init.FrameFormat = FDCAN_FRAME_FD_BRS;
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}
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|
||||
HAL_FDCAN_DeInit(hfdcan);
|
||||
|
||||
hfdcan->Init.NominalPrescaler = nom_brp;
|
||||
hfdcan->Init.NominalTimeSeg1 = nom_seg1;
|
||||
hfdcan->Init.NominalTimeSeg2 = nom_seg2;
|
||||
hfdcan->Init.NominalSyncJumpWidth = nom_sjw;
|
||||
|
||||
hfdcan->Init.DataPrescaler = dat_brp;
|
||||
hfdcan->Init.DataTimeSeg1 = dat_seg1;
|
||||
hfdcan->Init.DataTimeSeg2 = dat_seg2;
|
||||
hfdcan->Init.DataSyncJumpWidth = dat_sjw;
|
||||
|
||||
HAL_FDCAN_Init(hfdcan);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
************************************************************************
|
||||
* @brief: fdcanx_send_data(FDCAN_HandleTypeDef *hfdcan, uint16_t id, uint8_t *data, uint32_t len)
|
||||
* @param: hfdcan：FDCAN句柄
|
||||
* @param: id：CAN设备ID
|
||||
* @param: data：发送的数据
|
||||
* @param: len：发送的数据长度
|
||||
* @retval: void
|
||||
* @details: 发送数据
|
||||
************************************************************************
|
||||
**/
|
||||
uint8_t fdcanx_send_data(hcan_t *hfdcan, uint16_t id, uint8_t *data, uint32_t len)
|
||||
{
|
||||
FDCAN_TxHeaderTypeDef pTxHeader;
|
||||
pTxHeader.Identifier=id;
|
||||
pTxHeader.IdType=FDCAN_STANDARD_ID;
|
||||
pTxHeader.TxFrameType=FDCAN_DATA_FRAME;
|
||||
|
||||
if(len<=8)
|
||||
pTxHeader.DataLength = len;
|
||||
else if(len==12)
|
||||
pTxHeader.DataLength = FDCAN_DLC_BYTES_12;
|
||||
else if(len==16)
|
||||
pTxHeader.DataLength = FDCAN_DLC_BYTES_16;
|
||||
else if(len==20)
|
||||
pTxHeader.DataLength = FDCAN_DLC_BYTES_20;
|
||||
else if(len==24)
|
||||
pTxHeader.DataLength = FDCAN_DLC_BYTES_24;
|
||||
else if(len==32)
|
||||
pTxHeader.DataLength = FDCAN_DLC_BYTES_32;
|
||||
else if(len==48)
|
||||
pTxHeader.DataLength = FDCAN_DLC_BYTES_48;
|
||||
else if(len==64)
|
||||
pTxHeader.DataLength = FDCAN_DLC_BYTES_64;
|
||||
|
||||
pTxHeader.ErrorStateIndicator=FDCAN_ESI_ACTIVE;
|
||||
pTxHeader.BitRateSwitch=FDCAN_BRS_ON;
|
||||
pTxHeader.FDFormat=FDCAN_FD_CAN;
|
||||
pTxHeader.TxEventFifoControl=FDCAN_NO_TX_EVENTS;
|
||||
pTxHeader.MessageMarker=0;
|
||||
|
||||
if(HAL_FDCAN_AddMessageToTxFifoQ(hfdcan, &pTxHeader, data)!=HAL_OK)
|
||||
return 1;//发送
|
||||
return 0;
|
||||
}
|
||||
/**
|
||||
************************************************************************
|
||||
* @brief: fdcanx_receive(FDCAN_HandleTypeDef *hfdcan, uint8_t *buf)
|
||||
* @param: hfdcan：FDCAN句柄
|
||||
* @param: buf：接收数据缓存
|
||||
* @retval: 接收的数据长度
|
||||
* @details: 接收数据
|
||||
************************************************************************
|
||||
**/
|
||||
uint8_t fdcanx_receive(hcan_t *hfdcan, uint16_t *rec_id, uint8_t *buf)
|
||||
{
|
||||
FDCAN_RxHeaderTypeDef pRxHeader;
|
||||
uint8_t len;
|
||||
|
||||
if(HAL_FDCAN_GetRxMessage(hfdcan,FDCAN_RX_FIFO0, &pRxHeader, buf)==HAL_OK)
|
||||
{
|
||||
*rec_id = pRxHeader.Identifier;
|
||||
if(pRxHeader.DataLength<=FDCAN_DLC_BYTES_8)
|
||||
len = pRxHeader.DataLength;
|
||||
else if(pRxHeader.DataLength==FDCAN_DLC_BYTES_12)
|
||||
len = 12;
|
||||
else if(pRxHeader.DataLength==FDCAN_DLC_BYTES_16)
|
||||
len = 16;
|
||||
else if(pRxHeader.DataLength==FDCAN_DLC_BYTES_20)
|
||||
len = 20;
|
||||
else if(pRxHeader.DataLength==FDCAN_DLC_BYTES_24)
|
||||
len = 24;
|
||||
else if(pRxHeader.DataLength==FDCAN_DLC_BYTES_32)
|
||||
len = 32;
|
||||
else if(pRxHeader.DataLength==FDCAN_DLC_BYTES_48)
|
||||
len = 48;
|
||||
else if(pRxHeader.DataLength==FDCAN_DLC_BYTES_64)
|
||||
len = 64;
|
||||
|
||||
return len;//接收数据
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
__weak void fdcan1_rx_callback(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void HAL_FDCAN_RxFifo0Callback(FDCAN_HandleTypeDef *hfdcan, uint32_t RxFifo0ITs)
|
||||
{
|
||||
if (hfdcan == &hfdcan1)
|
||||
{
|
||||
fdcan1_rx_callback();
|
||||
}
|
||||
}
|
||||
|
||||
void HAL_FDCAN_ErrorStatusCallback(FDCAN_HandleTypeDef *hfdcan, uint32_t ErrorStatusITs)
|
||||
{
|
||||
if(ErrorStatusITs & FDCAN_IR_BO)
|
||||
{
|
||||
CLEAR_BIT(hfdcan->Instance->CCCR, FDCAN_CCCR_INIT);
|
||||
}
|
||||
if(ErrorStatusITs & FDCAN_IR_EP)
|
||||
{
|
||||
// MX_FDCAN1_Init();
|
||||
// bsp_can_init();
|
||||
}
|
||||
}
|
||||
32
User_Code/bsp/fdcan/bsp_fdcan.h
Normal file
32
User_Code/bsp/fdcan/bsp_fdcan.h
Normal file
@@ -0,0 +1,32 @@
|
||||
#ifndef __BSP_FDCAN_H__
|
||||
#define __BSP_FDCAN_H__
|
||||
#include "main.h"
|
||||
#include "fdcan.h"
|
||||
|
||||
#define hcan_t FDCAN_HandleTypeDef
|
||||
|
||||
#define CAN_CLASS 0
|
||||
#define CAN_FD_BRS 1
|
||||
|
||||
#define CAN_BR_125K 0
|
||||
#define CAN_BR_200K 1
|
||||
#define CAN_BR_250K 2
|
||||
#define CAN_BR_500K 3
|
||||
#define CAN_BR_1M 4
|
||||
#define CAN_BR_2M 5
|
||||
#define CAN_BR_2M5 6
|
||||
#define CAN_BR_3M2 7
|
||||
#define CAN_BR_4M 8
|
||||
#define CAN_BR_5M 9
|
||||
|
||||
void bsp_can_init(void);
|
||||
void can_filter_init(void);
|
||||
void bsp_fdcan_set_baud(hcan_t *hfdcan, uint8_t mode, uint8_t baud);
|
||||
uint8_t fdcanx_send_data(hcan_t *hfdcan, uint16_t id, uint8_t *data, uint32_t len);
|
||||
uint8_t fdcanx_receive(hcan_t *hfdcan, uint16_t *rec_id, uint8_t *buf);
|
||||
void fdcan1_rx_callback(void);
|
||||
void fdcan2_rx_callback(void);
|
||||
void fdcan3_rx_callback(void);
|
||||
|
||||
#endif /* __BSP_FDCAN_H_ */
|
||||
|
||||
Reference in New Issue
Block a user