File SoftwareSerial.cpp

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/* Copyright (c) Kuba Szczodrzyński 2022-07-03. */

#include "SoftwareSerial.h"

#if LT_ARD_HAS_SOFTSERIAL

SoftwareSerial::SoftwareSerial(pin_size_t receivePin, pin_size_t transmitPin, bool inverted) {
    data.rx.buf = NULL;
    data.tx.buf = NULL;
    data.rx.pin = receivePin;
    data.tx.pin = transmitPin;
    data.invert = inverted == true;
}

int SoftwareSerial::available() {
    return data.rx.buf->available();
}

int SoftwareSerial::peek() {
    return data.rx.buf->peek();
}

int SoftwareSerial::read() {
    return data.rx.buf->read_char();
}

void SoftwareSerial::flush() {
    while (data.rx.buf->available()) {
        yield();
    }
}

size_t SoftwareSerial::write(uint8_t c) {
    while (data.tx.buf->isFull()) {
        yield();
    }
    data.tx.buf->store_char(c);
    if (data.tx.state == SS_IDLE) {
        data.tx.state = SS_START;
        this->startTx();
    }
    return 1;
}

#endif