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/*
* T-Modem-s1224 — USB KISS half-TNC + softmodem AFSK (PWM TX / Goertzel RX).
* Three UF2 builds (300 / 1200 / 2400). No TCM3105 chip path.
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#include "pico/stdlib.h"
#include "board_pins.h"
#include "status.h"
#include "ptt.h"
#include "modem_probe.h"
#include "usb_cmd.h"
#include "display.h"
#include "crystal_steer.h"
#include "baud_config.h"
#include "config.h"
#include "sense.h"
#include "afsk_soft.h"
#include "banner.h"
#include "hardware/gpio.h"
#include <stdio.h>
int main(void)
{
stdio_init_all();
sleep_ms(800);
board_pins_init();
ptt_init();
config_init();
display_init();
sense_init();
afsk_soft_init();
usb_cmd_init();
afsk_rx_set_callback(usb_cmd_on_rx_frame);
status_set(S1224_STATE_STARTING);
status_publish();
/* Fixed boot banner — always once after CDC ready; source-only (banner.c). */
banner_print();
modem_probe_result_t probe = modem_probe_run();
if (probe.ready) {
status_set(S1224_STATE_READY);
} else {
status_set(S1224_STATE_FAULT);
}
status_publish();
while (true) {
usb_cmd_poll();
afsk_rx_poll();
sense_poll();
gpio_put(PIN_LED_DCD, sense_signal_active() ? 1 : 0);
gpio_put(PIN_LED_PTT, ptt_get() ? 1 : 0);
gpio_put(PIN_LED_TXRX, sense_packet_active() ? 1 : 0);
status_tick();
sleep_us(50);
}
}
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