122 lines
3.0 KiB
C
Executable File
122 lines
3.0 KiB
C
Executable File
// Copyright Mark Qvist / unsigned.io
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// https://unsigned.io/microaprs
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//
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// Licensed under GPL-3.0. For full info,
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// read the LICENSE file.
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#include <stdbool.h>
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#include <avr/io.h>
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#include "device.h"
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#include "util/FIFO.h"
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#include "util/time.h"
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#include "hardware/AFSK.h"
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#include "hardware/Serial.h"
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#include "protocol/AX25.h"
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#if SERIAL_PROTOCOL == PROTOCOL_KISS
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#include "protocol/KISS.h"
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#endif
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#if SERIAL_PROTOCOL == PROTOCOL_SIMPLE_SERIAL
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#include "protocol/SimpleSerial.h"
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#endif
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Serial serial;
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Afsk modem;
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AX25Ctx AX25;
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#if SERIAL_PROTOCOL == PROTOCOL_KISS
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static void ax25_callback(struct AX25Ctx *ctx) {
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kiss_messageCallback(ctx);
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}
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#endif
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#if SERIAL_PROTOCOL == PROTOCOL_SIMPLE_SERIAL
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static uint8_t serialBuffer[AX25_MAX_FRAME_LEN+1];
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static int sbyte;
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static size_t serialLen = 0;
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static bool sertx = false;
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static void ax25_callback(struct AX25Msg *msg) {
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ss_messageCallback(msg);
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}
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#endif
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void init(void) {
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sei();
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AFSK_init(&modem);
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ax25_init(&AX25, &modem, &modem.fd, ax25_callback);
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serial_init(&serial);
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stdout = &serial.uart0;
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stdin = &serial.uart0;
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#if SERIAL_PROTOCOL == PROTOCOL_KISS
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kiss_init(&AX25, &modem, &serial);
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#endif
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#if SERIAL_PROTOCOL == PROTOCOL_SIMPLE_SERIAL
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ss_init(&AX25);
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#endif
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}
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int main (void) {
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init();
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#if SERIAL_PROTOCOL == PROTOCOL_KISS
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while (true) {
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ax25_poll(&AX25);
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if (serial_available(0)) {
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char sbyte = uart0_getchar_nowait();
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kiss_serialCallback(sbyte);
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}
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}
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#endif
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#if SERIAL_PROTOCOL == PROTOCOL_SIMPLE_SERIAL
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ticks_t start = timer_clock();
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while (1) {
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ax25_poll(&AX25);
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if (!sertx && serial_available(0)) {
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sbyte = uart0_getchar_nowait();
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#if SERIAL_DEBUG
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if ((serialLen < AX25_MAX_FRAME_LEN) && (sbyte != 10)) {
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serialBuffer[serialLen] = sbyte;
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serialLen++;
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} else {
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sertx = true;
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}
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#else
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if (serialLen < AX25_MAX_FRAME_LEN-1) {
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serialBuffer[serialLen] = sbyte;
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serialLen++;
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} else {
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serialBuffer[serialLen] = sbyte;
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serialLen++;
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sertx = true;
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}
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start = timer_clock();
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#endif
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} else {
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if (!SERIAL_DEBUG && serialLen > 0 && timer_clock() - start > ms_to_ticks(TX_MAXWAIT)) {
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sertx = true;
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}
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}
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if (sertx) {
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ss_serialCallback(serialBuffer, serialLen, &AX25);
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sertx = false;
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serialLen = 0;
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}
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}
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#endif
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return(0);
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} |