70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
//
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// Created by cfif on 03.10.22.
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//
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#include "SerialPortHalfDuplexIO.h"
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#include "SystemDelayInterface.h"
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static uint16_t vSerialPortHalfDuplexReceive(tSerialPortHalfDuplex *io, uint8_t *data, uint16_t size,
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uint32_t timeout) {
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// tSerialPortHalfDuplex *serialPortHalfDuplex = (void *) io;
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GpioPinSet(io->transmitePin, false);
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GpioPinSet(io->recivePin, true);
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uint16_t result = io->serialPortIo->receive(io->serialPortIo->env, data, size, timeout);
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return result;
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}
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/*
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static uint16_t vSerialPortHalfDuplexTransmit(tSerialPortIO *io, uint8_t *data, uint16_t size, uint32_t timeout) {
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tSerialPortHalfDuplex *serialPortHalfDuplex = io->env;
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GpioPinSet(serialPortHalfDuplex->transmitePin, true);
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GpioPinSet(serialPortHalfDuplex->recivePin, false);
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uint16_t result = serialPortHalfDuplex->serialPortIo->transmit(serialPortHalfDuplex->serialPortIo->env, data, size, timeout);
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return result;
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}
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*/
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static uint16_t vSerialPortHalfDuplexTransmit(tSerialPortHalfDuplex *io, uint8_t *data, uint16_t size, uint32_t timeout) {
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// tSerialPortHalfDuplex *serialPortHalfDuplex = (void *) io;
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GpioPinSet(io->recivePin, false);
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GpioPinSet(io->transmitePin, true);
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uint16_t result = io->serialPortIo->transmit(io->serialPortIo->env, data, size, timeout);
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SystemDelayMs(5);
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GpioPinSet(io->transmitePin, false);
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GpioPinSet(io->recivePin, true);
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return result;
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}
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tSerialPortHalfDuplex vSerialPortHalfDuplexInit(
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tSerialPortIO *serialPortIo, tGpioPin *transmitePin, tGpioPin *recivePin
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) {
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tSerialPortHalfDuplex port = {
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.serialPortIo = serialPortIo,
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.transmitePin = transmitePin,
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.recivePin = recivePin
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};
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return port;
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}
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tSerialPortIO vSerialPortHalfDuplexGetIo(tSerialPortHalfDuplex *serialPortHalfDuplex) {
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tSerialPortIO io = {
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.env = serialPortHalfDuplex,
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.receive = (SerialPortIOTransaction) vSerialPortHalfDuplexReceive,
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.transmit = (SerialPortIOTransaction) vSerialPortHalfDuplexTransmit
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};
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return io;
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} |