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)
67 lines
3.7 KiB
Plaintext
67 lines
3.7 KiB
Plaintext
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/*-Memory Regions-*/
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define symbol __ICFEDIT_region_IROM1_start__ = 0x80000000;
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define symbol __ICFEDIT_region_IROM1_end__ = 0x801FFFFF;
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define symbol __ICFEDIT_region_IROM2_start__ = 0x0;
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define symbol __ICFEDIT_region_IROM2_end__ = 0x0;
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define symbol __ICFEDIT_region_EROM1_start__ = 0x0;
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define symbol __ICFEDIT_region_EROM1_end__ = 0x0;
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define symbol __ICFEDIT_region_EROM2_start__ = 0x0;
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define symbol __ICFEDIT_region_EROM2_end__ = 0x0;
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define symbol __ICFEDIT_region_EROM3_start__ = 0x0;
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define symbol __ICFEDIT_region_EROM3_end__ = 0x0;
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define symbol __ICFEDIT_region_IRAM1_start__ = 0x80200000;
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define symbol __ICFEDIT_region_IRAM1_end__ = 0x803FFFFF;
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define symbol __ICFEDIT_region_IRAM2_start__ = 0x0;
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define symbol __ICFEDIT_region_IRAM2_end__ = 0x0;
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define symbol __ICFEDIT_region_ERAM1_start__ = 0x0;
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define symbol __ICFEDIT_region_ERAM1_end__ = 0x0;
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define symbol __ICFEDIT_region_ERAM2_start__ = 0x0;
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define symbol __ICFEDIT_region_ERAM2_end__ = 0x0;
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define symbol __ICFEDIT_region_ERAM3_start__ = 0x0;
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define symbol __ICFEDIT_region_ERAM3_end__ = 0x0;
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define symbol __ICFEDIT_region_TTB_start__ = 0x80500000;
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define symbol __ICFEDIT_region_TTB_end__ = 0x805FFFFF;
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/*-Sizes-*/
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define symbol __ICFEDIT_size_cstack__ = 0x1000;
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define symbol __ICFEDIT_size_irqstack__ = 0x100;
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define symbol __ICFEDIT_size_fiqstack__ = 0x100;
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define symbol __ICFEDIT_size_svcstack__ = 0x100;
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define symbol __ICFEDIT_size_abtstack__ = 0x100;
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define symbol __ICFEDIT_size_undstack__ = 0x100;
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define symbol __ICFEDIT_size_heap__ = 0x8000;
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define symbol __ICFEDIT_size_ttb__ = 0x4000;
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define memory mem with size = 4G;
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define region IROM_region = mem:[from __ICFEDIT_region_IROM1_start__ to __ICFEDIT_region_IROM1_end__]
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| mem:[from __ICFEDIT_region_IROM2_start__ to __ICFEDIT_region_IROM2_end__];
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define region IRAM_region = mem:[from __ICFEDIT_region_IRAM1_start__ to __ICFEDIT_region_IRAM1_end__]
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| mem:[from __ICFEDIT_region_IRAM2_start__ to __ICFEDIT_region_IRAM2_end__];
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define region ERAM_region = mem:[from __ICFEDIT_region_ERAM1_start__ to __ICFEDIT_region_ERAM1_end__]
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| mem:[from __ICFEDIT_region_ERAM2_start__ to __ICFEDIT_region_ERAM2_end__]
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| mem:[from __ICFEDIT_region_ERAM3_start__ to __ICFEDIT_region_ERAM3_end__];
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define region TTB_region = mem:[from __ICFEDIT_region_TTB_start__ to __ICFEDIT_region_TTB_end__ ];
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define block USR_STACK with alignment = 8, size = __ICFEDIT_size_cstack__ { };
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define block IRQ_STACK with alignment = 8, size = __ICFEDIT_size_irqstack__ { };
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define block FIQ_STACK with alignment = 8, size = __ICFEDIT_size_fiqstack__ { };
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define block SVC_STACK with alignment = 8, size = __ICFEDIT_size_svcstack__ { };
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define block ABT_STACK with alignment = 8, size = __ICFEDIT_size_abtstack__ { };
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define block UND_STACK with alignment = 8, size = __ICFEDIT_size_undstack__ { };
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define block HEAP with alignment = 8, size = __ICFEDIT_size_heap__ { };
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define block TTB with alignment = 8, size = __ICFEDIT_size_ttb__ { section TTB };
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do not initialize { section .noinit };
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initialize by copy { readwrite };
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if (isdefinedsymbol(__USE_DLIB_PERTHREAD))
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{
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// Required in a multi-threaded application
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initialize by copy with packing = none { section __DLIB_PERTHREAD };
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}
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place at address mem:__ICFEDIT_region_IROM1_start__ { readonly section RESET };
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place in IROM_region { readonly };
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place in IRAM_region { readwrite, block HEAP, block USR_STACK, block IRQ_STACK, block FIQ_STACK, block SVC_STACK, block ABT_STACK, block UND_STACK };
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place in TTB_region { block TTB }; |