CAN-Demo/App/Src/tasks/can_task.cpp
2024-02-21 11:31:23 +01:00

74 lines
1.9 KiB
C++

/*
* can_task.cpp
*
* Created on: 10 Dec 2023
* Author: Carl
*/
#include <tasks/can_task.hpp>
#include <sta/debug/debug.hpp>
#include <sta/rtos/debug/heap_stats.hpp>
#include "can.h"
#include <cmsis_os2.h>
namespace demo
{
CanTask::CanTask(const char* name, CAN_HandleTypeDef * handle)
: TacosThread(name, osPriorityNormal), canController(handle)
{
}
void CanTask::init()
{
canController.start();
txHeader.id.format = sta::CanIdFormat::STD; // Set to EXT for extended ID
txHeader.id.sid = 0x040; // Set the standard ID or extended ID
txHeader.payloadLength = 8; // Set the payload length (max 8 bytes)
// Create your message payload
for (int i = 0; i < 8; ++i) {
payload[i] = i + 1;
}
}
void CanTask::func()
{
//STA_DEBUG_HEAP_STATS();
//canController.sendFrame(txHeader, payload);
//STA_DEBUG_HEAP_STATS();
CAN_RxHeaderTypeDef rxHeader; //CAN Bus Receive Header
uint8_t canRX[8] = {0,0,0,0,0,0,0,0}; //CAN Bus Receive Buffer
STA_DEBUG_PRINTLN("WAITING");
HAL_CAN_GetRxMessage(&hcan1, CAN_RX_FIFO0, &rxHeader, canRX);
STA_DEBUG_PRINTLN("RECEIVED");
uint8_t type_id, sensor_ID, value, include;
unpackValues(canRX[0], &type_id, &sensor_ID, &value, &include);
if (type_id == 0 && sensor_ID == 1){
if (value == 0){
HAL_GPIO_WritePin(GPIOD,GPIO_PIN_8, GPIO_PIN_RESET);
}else{
HAL_GPIO_WritePin(GPIOD,GPIO_PIN_8, GPIO_PIN_SET);
}
}
HAL_Delay(1000);
}
void CanTask::unpackValues(uint8_t packedByte, uint8_t* type_id, uint8_t* sensor_ID, uint8_t* value, uint8_t* include) {
*type_id = (packedByte >> 6) & 0x03; // Extracting two bits for type_id
*sensor_ID = (packedByte >> 3) & 0x07; // Extracting three bits for sensorID
*include = (packedByte >> 2) & 0x01; // Extracting the flag for included value
*value = (packedByte >> 1) & 0x01; // Extracting one bit for value
}
} // namespace demo