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)
23 lines
641 B
C
23 lines
641 B
C
#ifndef APP_CHFRSCANNER_H
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#define APP_CHFRSCANNER_H
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#include <stdbool.h>
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#include <stdint.h>
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// scan direction, if not equal SCAN_OFF indicates
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// that we are in a process of scanning channels/frequencies
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extern int8_t gScanStateDir;
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extern bool gScanKeepResult;
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extern bool gScanPauseMode;
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#ifdef ENABLE_SCAN_RANGES
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extern uint32_t gScanRangeStart;
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extern uint32_t gScanRangeStop;
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#endif
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void CHFRSCANNER_Found(void);
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void CHFRSCANNER_Stop(void);
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void CHFRSCANNER_Start(const bool storeBackupSettings, const int8_t scan_direction);
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void CHFRSCANNER_ContinueScanning(void);
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#endif |