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)
22 lines
710 B
C
22 lines
710 B
C
/*----------------------------------------------------------------------------
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* CMSIS-RTOS 'main' function template
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*---------------------------------------------------------------------------*/
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#define osObjectsPublic // define objects in main module
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#include "osObjects.h" // RTOS object definitions
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/*
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* main: initialize and start the system
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*/
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int main (void) {
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osKernelInitialize (); // initialize CMSIS-RTOS
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// initialize peripherals here
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// create 'thread' functions that start executing,
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// example: tid_name = osThreadCreate (osThread(name), NULL);
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osKernelStart (); // start thread execution
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}
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