sani7/STM32HAL-MCP2515
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This commit is contained in:
Sander Speetjens
2025-03-01 12:23:05 +01:00
parent c12cfe2f64
commit 3eac250323
3 changed files with 22 additions and 23 deletions
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29
mcp2515.c
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@@ -90,7 +90,7 @@ void MCP2515_Read_Rx(MCP2515_HandleTypeDef* hcan, REGISTER reg, uint8_t values[]
HAL_GPIO_WritePin(hcan->cs_port, hcan->cs_pin, GPIO_PIN_SET);
}
CAN_Error MCP2515_Set_Mode(MCP2515_HandleTypeDef* hcan, CANCTRL_REQOP_MODE mode) {
CAN_Error MCP2515_Set_Mode(MCP2515_HandleTypeDef* hcan, MCP2515_Mode_t mode) {
unsigned long endTime = HAL_GetTick() + 10;
uint8_t modeMatch = 0;
while (HAL_GetTick() < endTime) {
@@ -251,26 +251,6 @@ CAN_Error MCP2515_Reset(MCP2515_HandleTypeDef* hcan) {
return ERROR_OK;
}
CAN_Error MCP2515_Set_Mode(MCP2515_HandleTypeDef* hcan, MCP2515_Mode_t mode) {
switch (mode) {
case MODE_LISTEN_ONLY:
return MCP2515_Set_Mode(hcan, CANCTRL_REQOP_LISTENONLY);
break;
case MODE_LOOPBACK:
return MCP2515_Set_Mode(hcan, CANCTRL_REQOP_LOOPBACK);
break;
case MODE_SLEEP:
return MCP2515_Set_Mode(hcan, CANCTRL_REQOP_SLEEP);
break;
case MODE_NORMAL:
return MCP2515_Set_Mode(hcan, CANCTRL_REQOP_NORMAL);
break;
default:
return MCP2515_Set_Mode(hcan, CANCTRL_REQOP_NORMAL);
break;
}
}
CAN_Error MCP2515_Set_Pin_Control(MCP2515_HandleTypeDef* hcan, bool B1BFS, bool B0BFS, bool B1BFE, bool B0BFE, bool B1BFM, bool B0BFM) {
CAN_Error error = MCP2515_Set_Config_Mode(hcan);
if (error != ERROR_OK) {
@@ -571,6 +551,13 @@ CAN_Error MCP2515_Set_Bitrate_Clock(MCP2515_HandleTypeDef* hcan, CAN_SPEED canSp
return ERROR_FAIL;
}
CAN_Error MCP2515_Set_Transmit_Priority(MCP2515_HandleTypeDef* hcan, MCP2515_Priority_t txb0, MCP2515_Priority_t txb1, MCP2515_Priority_t txb2)
{
MCP2515_Set_Register(hcan, MCP_TXB0CTRL, txb0);
MCP2515_Set_Register(hcan, MCP_TXB1CTRL, txb1);
MCP2515_Set_Register(hcan, MCP_TXB2CTRL, txb2);
}
void MCP2515_Request_To_Send(MCP2515_HandleTypeDef* hcan, uint8_t instruction) {
HAL_GPIO_WritePin(hcan->cs_port, hcan->cs_pin, GPIO_PIN_RESET);
MCP2515_SPI_transfer(hcan, instruction);