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)
25 lines
513 B
C++
25 lines
513 B
C++
#include "Semaphore.h"
|
|
|
|
#include <string.h>
|
|
//#include "error.h"
|
|
|
|
namespace rtos {
|
|
|
|
Semaphore::Semaphore(int32_t count) {
|
|
#ifdef CMSIS_OS_RTX
|
|
memset(_semaphore_data, 0, sizeof(_semaphore_data));
|
|
_osSemaphoreDef.semaphore = _semaphore_data;
|
|
#endif
|
|
_osSemaphoreId = osSemaphoreCreate(&_osSemaphoreDef, count);
|
|
}
|
|
|
|
int32_t Semaphore::wait(uint32_t millisec) {
|
|
return osSemaphoreWait(_osSemaphoreId, millisec);
|
|
}
|
|
|
|
osStatus Semaphore::release(void) {
|
|
return osSemaphoreRelease(_osSemaphoreId);
|
|
}
|
|
|
|
}
|