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Overhaul

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Custom struct for spi handle, cs pin
Add prefix to functions
This commit is contained in:
Sander Speetjens
2024-11-21 22:27:07 +01:00
parent 2ea3aa9bd3
commit 5bedd47b98
2 changed files with 497 additions and 599 deletions
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959
mcp2515.c
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137
mcp2515.h
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@@ -12,87 +12,88 @@
#include "can.h"
typedef enum {
ERROR_OK = 0,
ERROR_FAIL = 1,
ERROR_ALLTXBUSY = 2,
ERROR_FAILINIT = 3,
ERROR_FAILTX = 4,
ERROR_NOMSG = 5
ERROR_OK = 0,
ERROR_FAIL = 1,
ERROR_ALLTXBUSY = 2,
ERROR_FAILINIT = 3,
ERROR_FAILTX = 4,
ERROR_NOMSG = 5
} CAN_Error;
typedef enum {
CLKOUT_DISABLE = -1,
CLKOUT_DIV1 = 0x0,
CLKOUT_DIV2 = 0x1,
CLKOUT_DIV4 = 0x2,
CLKOUT_DIV8 = 0x3,
CLKOUT_DISABLE = -1,
CLKOUT_DIV1 = 0x0,
CLKOUT_DIV2 = 0x1,
CLKOUT_DIV4 = 0x2,
CLKOUT_DIV8 = 0x3,
} CAN_CLKOUT;
typedef enum {
MCP_20MHZ, MCP_16MHZ, MCP_8MHZ
} CAN_CLOCK;
typedef enum { MCP_20MHZ, MCP_16MHZ, MCP_8MHZ } CAN_CLOCK;
typedef enum {
CAN_5KBPS,
CAN_10KBPS,
CAN_20KBPS,
CAN_31K25BPS,
CAN_33KBPS,
CAN_40KBPS,
CAN_50KBPS,
CAN_80KBPS,
CAN_83K3BPS,
CAN_95KBPS,
CAN_100KBPS,
CAN_125KBPS,
CAN_200KBPS,
CAN_250KBPS,
CAN_500KBPS,
CAN_1000KBPS
CAN_5KBPS,
CAN_10KBPS,
CAN_20KBPS,
CAN_31K25BPS,
CAN_33KBPS,
CAN_40KBPS,
CAN_50KBPS,
CAN_80KBPS,
CAN_83K3BPS,
CAN_95KBPS,
CAN_100KBPS,
CAN_125KBPS,
CAN_200KBPS,
CAN_250KBPS,
CAN_500KBPS,
CAN_1000KBPS
} CAN_SPEED;
typedef enum {
MASK0, MASK1
} MASK;
typedef enum { MASK0, MASK1 } MASK;
typedef enum {
RXF0 = 0, RXF1 = 1, RXF2 = 2, RXF3 = 3, RXF4 = 4, RXF5 = 5
} RXF;
typedef enum { RXF0 = 0, RXF1 = 1, RXF2 = 2, RXF3 = 3, RXF4 = 4, RXF5 = 5 } RXF;
typedef enum {
TXB0 = 0, TXB1 = 1, TXB2 = 2
} TXBn;
typedef enum { TXB0 = 0, TXB1 = 1, TXB2 = 2 } TXBn;
typedef enum {
RXB0 = 0, RXB1 = 1
} RXBn;
typedef enum { RXB0 = 0, RXB1 = 1 } RXBn;
typedef struct {
SPI_HandleTypeDef* hspi;
GPIO_TypeDef* cs_port;
uint16_t cs_pin;
} MCP2515_HandleTypeDef;
CAN_Error MCP_reset(void);//
CAN_Error MCP_setListenOnlyMode();//
CAN_Error MCP_setSleepMode();//
CAN_Error MCP_setLoopbackMode();//
CAN_Error MCP_setNormalMode();//
CAN_Error MCP_setBitrate(CAN_SPEED canSpeed);//
CAN_Error MCP_setBitrateClock(CAN_SPEED canSpeed, CAN_CLOCK canClock); //
CAN_Error MCP_setFilterMask(MASK num, uint8_t ext, uint32_t ulData);//
CAN_Error MCP_setFilter(RXF num, uint8_t ext, uint32_t ulData);//
CAN_Error MCP_sendMessageTo(TXBn txbn, can_frame *frame);//
CAN_Error MCP_sendMessage(can_frame *frame);//
CAN_Error MCP_readMessageFrom(RXBn rxbn, can_frame *frame);//
CAN_Error MCP_readMessage(can_frame *frame);//
uint8_t MCP_checkReceive(void);//
uint8_t MCP_checkError(void);//
uint8_t MCP_getErrorFlags(void);//
void MCP_clearRXnOVRFlags(void);//
uint8_t MCP_getInterrupts(void);//
uint8_t MCP_getInterruptMask(void);//
void MCP_clearInterrupts(void);//
void MCP_clearTXInterrupts(void);
uint8_t MCP_getStatus(void);//
void MCP_clearRXnOVR(void);//
void MCP_clearMERR();//
void MCP_clearERRIF();//
void MCP2515_Init(MCP2515_HandleTypeDef* hcan, SPI_HandleTypeDef* hspi, GPIO_TypeDef* cs_port, uint16_t cs_pin);
CAN_Error MCP2515_Reset(MCP2515_HandleTypeDef* hcan);
uint8_t MCP2515_Get_Status(MCP2515_HandleTypeDef* hcan);
CAN_Error MCP2515_Set_Listen_Only_Mode(MCP2515_HandleTypeDef* hcan);
CAN_Error MCP2515_Set_Sleep_Mode(MCP2515_HandleTypeDef* hcan);
CAN_Error MCP2515_Set_Loopback_Mode(MCP2515_HandleTypeDef* hcan);
CAN_Error MCP2515_Set_Normal_Mode(MCP2515_HandleTypeDef* hcan);
CAN_Error MCP2515_Set_Bitrate_Clock(MCP2515_HandleTypeDef* hcan, CAN_SPEED canSpeed, CAN_CLOCK canClock);
CAN_Error MCP2515_Set_Filter_Mask(MCP2515_HandleTypeDef* hcan, MASK mask, uint8_t ext, uint32_t ulData);
CAN_Error MCP2515_Set_Filter(MCP2515_HandleTypeDef* hcan, RXF num, uint8_t ext, uint32_t ulData);
CAN_Error MCP2515_Send_Message_To(MCP2515_HandleTypeDef* hcan, TXBn txbn, can_frame* frame);
CAN_Error MCP2515_Send_Message(MCP2515_HandleTypeDef* hcan, can_frame* frame);
CAN_Error MCP2515_Read_Message_From(MCP2515_HandleTypeDef* hcan, RXBn rxbn, can_frame* frame);
CAN_Error MCP2515_Read_Message(MCP2515_HandleTypeDef* hcan, can_frame* frame);
uint8_t MCP2515_Check_Receive(MCP2515_HandleTypeDef* hcan);
uint8_t MCP2515_Get_Error_Flags(MCP2515_HandleTypeDef* hcan);
uint8_t MCP2515_Check_Error(MCP2515_HandleTypeDef* hcan);
void MCP2515_Clear_RXn_OVR_Flags(MCP2515_HandleTypeDef* hcan);
uint8_t MCP2515_Get_Interrupts(MCP2515_HandleTypeDef* hcan);
void MCP2515_Clear_Interrupts(MCP2515_HandleTypeDef* hcan);
uint8_t MCP2515_Get_Interrupt_Mask(MCP2515_HandleTypeDef* hcan);
void MCP2515_Clear_TX_Interrupts(MCP2515_HandleTypeDef* hcan);
void MCP2515_Clear_RXn_OVR(MCP2515_HandleTypeDef* hcan);
void MCP2515_Clear_MERR(MCP2515_HandleTypeDef* hcan);
void MCP2515_Clear_ERRIF(MCP2515_HandleTypeDef* hcan);
#endif /* APPLICATION_USER_INC_MCP2515_H_ */