43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
//
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// Created by CFIF on 01.09.22.
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//
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#include "SerialPort.h"
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#include "SystemDelayInterface.h"
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uint16_t SerialPortReceive(tSerialPortIO *io, uint8_t *data, uint16_t size, uint32_t timeout) {
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return io->receive(io->env, data, size, timeout);
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}
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void SerialPortClearRxBuffer(tSerialPortIO *io) {
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uint8_t byte;
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uint32_t antiSpamTimeout = SystemGetMs() + 10;
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while ((antiSpamTimeout > SystemGetMs()) && io->receive(io->env, &byte, 1, 0));
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}
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uint16_t SerialPortReceiveTo(tSerialPortIO *io, uint8_t *data, uint16_t size, uint8_t symbol, uint32_t timeout) {
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uint8_t dataToSymbol;
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int i = 0;
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uint32_t endMs = SystemGetMs() + timeout;
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uint32_t leftMs;
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while (size && ((timeout == SystemWaitForever) || (endMs > SystemGetMs()))) {
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leftMs = (timeout == SystemWaitForever) ? SystemWaitForever : endMs - SystemGetMs();
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if (SerialPortReceive(io, &dataToSymbol, 1, leftMs)) {
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size--;
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data[i] = dataToSymbol;
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i++;
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if (dataToSymbol == symbol) {
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break;
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}
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}
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}
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return i;
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}
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uint16_t SerialPortTransmit(tSerialPortIO *io, uint8_t *data, uint16_t size, uint32_t timeout) {
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return io->transmit(io->env, data, size, timeout);
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} |