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)
32 lines
591 B
C++
32 lines
591 B
C++
#include "Mutex.h"
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#include <string.h>
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//#include "error.h"
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namespace rtos {
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Mutex::Mutex() {
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#ifdef CMSIS_OS_RTX
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memset(_mutex_data, 0, sizeof(_mutex_data));
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_osMutexDef.mutex = _mutex_data;
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#endif
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_osMutexId = osMutexCreate(&_osMutexDef);
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if (_osMutexId == NULL) {
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// error("Error initializing the mutex object\n");
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}
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}
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osStatus Mutex::lock(uint32_t millisec) {
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return osMutexWait(_osMutexId, millisec);
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}
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bool Mutex::trylock() {
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return (osMutexWait(_osMutexId, 0) == osOK);
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}
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osStatus Mutex::unlock() {
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return osMutexRelease(_osMutexId);
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}
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}
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