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)
162 lines
3.1 KiB
C
162 lines
3.1 KiB
C
/* 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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*/
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#ifdef ENABLE_PWRON_PASSWORD
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#include <string.h>
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#include "ARMCM0.h"
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#include "app/uart.h"
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#include "audio.h"
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#include "driver/keyboard.h"
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#include "driver/st7565.h"
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#include "misc.h"
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#include "settings.h"
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#include "ui/helper.h"
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#include "ui/inputbox.h"
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#include "ui/lock.h"
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static void Render(void)
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{
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unsigned int i;
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char String[7];
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memset(gStatusLine, 0, sizeof(gStatusLine));
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UI_DisplayClear();
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UI_PrintString("LOCK", 0, 127, 1, 10);
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for (i = 0; i < 6; i++)
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String[i] = (gInputBox[i] == 10) ? '-' : '*';
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String[6] = 0;
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UI_PrintString(String, 0, 127, 3, 12);
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ST7565_BlitStatusLine();
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ST7565_BlitFullScreen();
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}
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void UI_DisplayLock(void)
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{
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KEY_Code_t Key;
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BEEP_Type_t Beep;
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gUpdateDisplay = true;
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memset(gInputBox, 10, sizeof(gInputBox));
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while (1)
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{
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while (!gNextTimeslice) {}
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// TODO: Original code doesn't do the below, but is needed for proper key debounce
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gNextTimeslice = false;
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Key = KEYBOARD_Poll();
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if (gKeyReading0 == Key)
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{
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if (++gDebounceCounter == key_debounce_10ms)
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{
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if (Key == KEY_INVALID)
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{
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gKeyReading1 = KEY_INVALID;
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}
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else
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{
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gKeyReading1 = Key;
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switch (Key)
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{
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case KEY_0:
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case KEY_1:
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case KEY_2:
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case KEY_3:
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case KEY_4:
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case KEY_5:
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case KEY_6:
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case KEY_7:
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case KEY_8:
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case KEY_9:
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INPUTBOX_Append(Key - KEY_0);
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if (gInputBoxIndex < 6) // 6 frequency digits
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{
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Beep = BEEP_1KHZ_60MS_OPTIONAL;
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}
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else
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{
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uint32_t Password;
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gInputBoxIndex = 0;
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Password = StrToUL(INPUTBOX_GetAscii());
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if ((gEeprom.POWER_ON_PASSWORD) == Password)
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{
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AUDIO_PlayBeep(BEEP_1KHZ_60MS_OPTIONAL);
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return;
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}
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memset(gInputBox, 10, sizeof(gInputBox));
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Beep = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
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}
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AUDIO_PlayBeep(Beep);
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gUpdateDisplay = true;
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break;
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case KEY_EXIT:
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if (gInputBoxIndex > 0)
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{
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gInputBox[--gInputBoxIndex] = 10;
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gUpdateDisplay = true;
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}
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AUDIO_PlayBeep(BEEP_1KHZ_60MS_OPTIONAL);
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default:
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break;
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}
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}
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gKeyBeingHeld = false;
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}
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}
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else
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{
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gDebounceCounter = 0;
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gKeyReading0 = Key;
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}
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#ifdef ENABLE_UART
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if (UART_IsCommandAvailable())
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{
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__disable_irq();
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UART_HandleCommand();
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__enable_irq();
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}
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#endif
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if (gUpdateDisplay)
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{
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Render();
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gUpdateDisplay = false;
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}
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}
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}
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#endif
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