ua1zbe
a1206d6fd4
Features: - VFO mode with direct frequency input - POCSAG decoder (512/1200 baud) with BCH(31,21) correction - Full-screen Spectrum analyzer - FM Radio receiver - RSSI signal indicator overlay - Custom boot splash (UA1ZBE / POCSAG pager / build date) Architecture: - app/mode.c — mode dispatcher (VFO/POCSAG/Spectrum/FM) - app/boot_splash.c — 2-second boot splash - app/pocsag/ — POCSAG decoder + BCH correction - app/display_rssi.c — RSSI indicator - main.c — entry point with custom init - syscalls.c — bare-metal _sbrk stub Build: arm-none-eabi-gcc -Os -flto -Wall -Werror -Wextra Size: 57.9KB Flash / 3.6KB RAM Controls: - 0-9: Direct frequency input (VFO) - SK2: POCSAG mode - SK1: Spectrum analyzer - 0: FM Radio - EXIT: Return to VFO - F/*: Toggle 512/1200 baud (in POCSAG)
67 lines
1.3 KiB
C
67 lines
1.3 KiB
C
#ifdef ENABLE_FLASHLIGHT
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#include "driver/gpio.h"
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#include "bsp/dp32g030/gpio.h"
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#include "flashlight.h"
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enum FlashlightMode_t gFlashLightState;
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void FlashlightTimeSlice()
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{
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if (gFlashLightState == FLASHLIGHT_BLINK && (gFlashLightBlinkCounter & 15u) == 0) {
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GPIO_FlipBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
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return;
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}
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if (gFlashLightState == FLASHLIGHT_SOS) {
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const uint16_t u = 15;
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static uint8_t c;
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static uint16_t next;
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if (gFlashLightBlinkCounter - next > 7 * u) {
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c = 0;
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next = gFlashLightBlinkCounter + 1;
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return;
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}
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if (gFlashLightBlinkCounter == next) {
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if (c==0) {
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GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
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} else {
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GPIO_FlipBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
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}
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if (c >= 18) {
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next = gFlashLightBlinkCounter + 7 * u;
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c = 0;
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} else if(c==7 || c==9 || c==11) {
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next = gFlashLightBlinkCounter + 3 * u;
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} else {
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next = gFlashLightBlinkCounter + u;
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}
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c++;
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}
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}
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}
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void ACTION_FlashLight(void)
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{
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switch (gFlashLightState) {
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case FLASHLIGHT_OFF:
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gFlashLightState++;
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
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break;
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case FLASHLIGHT_ON:
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case FLASHLIGHT_BLINK:
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gFlashLightState++;
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break;
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case FLASHLIGHT_SOS:
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default:
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gFlashLightState = 0;
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GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
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}
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}
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#endif
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