SMART_COMPONENTS_Can/SerialPortCanComInt.c

71 lines
2.0 KiB
C

//
// Created by cfif on 12.11.2024.
//
#include "SerialPortCanComInt.h"
#include "SystemDelayInterface.h"
#include "CanSerialPortFrame.h"
void vSerialPortCanComInit(
tSerialPortCanComInt *env,
tSerialPortFrameIO *CanIO,
uint32_t rxBufferLength
) {
env->CanIO = CanIO;
env->queue = osMessageQueueNew(rxBufferLength, 1, NULL);
}
static uint16_t vSerialPortReceiveQueue(tSerialPortCanComInt *env, uint8_t *data, uint16_t size, uint32_t timeout,
osMessageQueueId_t queueId) {
uint16_t received = 0;
if (timeout) {
uint32_t endMs = SystemGetMs() + timeout;
uint32_t leftMs;
while (size && ((timeout == SystemWaitForever) || (endMs > SystemGetMs()))) {
leftMs = endMs - SystemGetMs();
if (osMessageQueueGet(queueId, data, NULL, leftMs) == osOK) {
--size;
++received;
++data;
}
}
} else {
while (size) {
if (osMessageQueueGet(queueId, data, NULL, 0) == osOK) {
--size;
++received;
++data;
} else {
return received;
}
}
}
return received;
}
static uint16_t vSerialPortReceive(tSerialPortCanComInt *env, uint8_t *data, uint16_t size, uint32_t timeout) {
return vSerialPortReceiveQueue(env, data, size, timeout, env->queue);
}
static uint16_t vSerialPortTransmit(tSerialPortCanComInt *env, uint8_t *data, uint16_t size, uint32_t timeout) {
CanSerialPortFrameSetId1(env->CanIO->env, 0x77);
uint16_t sent = env->CanIO->transmit1(env->CanIO->env, data, size, timeout);
return sent;
}
tSerialPortIO vSerialPortCanComIntGetIo(tSerialPortCanComInt *env) {
tSerialPortIO io = {
.env = env,
.receive = (SerialPortIOTransaction) vSerialPortReceive,
.transmit = (SerialPortIOTransaction) vSerialPortTransmit
};
return io;
}