UA1ZBE Custom Firmware v1.0

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)

external/CMSIS_5/CMSIS/RTOS/Template/my_objects.h

@@ -0,0 +1,15 @@
+#include "cmsis_os.h"                               // CMSIS RTOS header file
+
+extern void thread_sample (void const *argument);   // prototype
+
+typedef struct  a {
+  char y[100];
+} a_element;
+
+osThreadDef   (thread_sample, osPriorityBelowNormal, 2, 100);
+
+osPoolDef(MyPool, 10, struct a);
+osMessageQDef(MyMessage, 10, a_element *);
+osMailQDef(MyMail, 10, a_element);
+
+