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)
50 lines
958 B
Modula-2
50 lines
958 B
Modula-2
# Copyright 2023 Dual Tachyon
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# https://github.com/DualTachyon
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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[AES]
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@ = 0x400BD000, 0x800
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CR = 0x0000
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> CCFC, 7, 1
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= SET, 1
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> CHMOD, 5, 2
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= ECB, 0
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= CBC, 1
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= CTR, 2
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> EN, 0, 1
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= DISABLE, 0
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= ENABLE, 1
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SR = 0x0004
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> CCF, 0, 1
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= NOT_COMPLETE, 0
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= COMPLETE, 1
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DINR = 0x0008
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DOUTR = 0x000C
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KEYR0 = 0x0010
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KEYR1 = 0x0014
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KEYR2 = 0x0018
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KEYR3 = 0x001C
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IVR0 = 0x0020
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IVR1 = 0x0024
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IVR2 = 0x0028
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IVR3 = 0x002C
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