CAN-Demo/App/Src/tasks/can_task.cpp
2024-03-11 14:42:35 +01:00

79 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 <sta/tacos.hpp>
#include <sta/tacos/manager.hpp>
#include <cmsis_os2.h>
namespace tasks
{
CanTask::CanTask(uint32_t canID)
: TacosThread("SYS_MSG_HANDLE", osPriorityNormal)
{
setCanID(canID);
}
void CanTask::init()
{
}
void CanTask::func()
{
CanSysMsg msg;
if (CAN_queue_.get(&msg, osWaitForever))
{
// Interpret received
uint8_t type_id, sensor_ID, value, include;
unpackValues(msg.payload[0], &type_id, &sensor_ID, &value, &include);
// Reformat for internal use
msg.header.payloadLength = 2;
msg.payload[0] = sensor_ID; // First Byte determines sensor number
msg.payload[1] = value; // Second Byte determines value
uint32_t target_ID;
switch (type_id){
case 0: // Relay
target_ID = SYSTEM_CAN_RELAY;
break;
case 1: // Thermocouple
target_ID = SYSTEM_CAN_THERMO;
break;
case 2: // V_IN
target_ID = SYSTEM_CAN_V_IN;
break;
default:
target_ID = SYSTEM_CAN_ERROR;
}
// Append to the correct thread's queue
for (std::shared_ptr<TacosThread> thread : sta::tacos::Manager::instance()->getActiveThreads()){
if (thread->getCanID() == target_ID){
thread->CAN_queue_.put(msg);
break;
}
}
}
}
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