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)
79 lines
2.0 KiB
C
79 lines
2.0 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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#ifndef DRIVER_GPIO_H
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#define DRIVER_GPIO_H
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#include <stdint.h>
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enum GPIOA_PINS {
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GPIOA_PIN_KEYBOARD_0 = 3,
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GPIOA_PIN_KEYBOARD_1 = 4,
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GPIOA_PIN_KEYBOARD_2 = 5,
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GPIOA_PIN_KEYBOARD_3 = 6,
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GPIOA_PIN_KEYBOARD_4 = 10, // Shared with I2C!
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GPIOA_PIN_KEYBOARD_5 = 11, // Shared with I2C!
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GPIOA_PIN_KEYBOARD_6 = 12, // Shared with voice chip!
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GPIOA_PIN_KEYBOARD_7 = 13, // Shared with voice chip!
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GPIOA_PIN_I2C_SCL = 10, // Shared with keyboard!
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GPIOA_PIN_I2C_SDA = 11, // Shared with keyboard!
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GPIOA_PIN_VOICE_0 = 12, // Shared with keyboard!
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GPIOA_PIN_VOICE_1 = 13 // Shared with keyboard!
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};
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enum GPIOB_PINS {
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GPIOB_PIN_BACKLIGHT = 6,
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GPIOB_PIN_ST7565_A0 = 9,
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GPIOB_PIN_ST7565_RES = 11, // Shared with SWD!
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GPIOB_PIN_SWD_IO = 11, // Shared with ST7565!
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GPIOB_PIN_SWD_CLK = 14,
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GPIOB_PIN_BK1080 = 15
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};
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enum GPIOC_PINS {
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GPIOC_PIN_BK4819_SCN = 0,
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GPIOC_PIN_BK4819_SCL = 1,
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GPIOC_PIN_BK4819_SDA = 2,
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GPIOC_PIN_FLASHLIGHT = 3,
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GPIOC_PIN_AUDIO_PATH = 4,
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GPIOC_PIN_PTT = 5
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};
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static inline void GPIO_ClearBit(volatile uint32_t *pReg, uint8_t Bit) {
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*pReg &= ~(1U << Bit);
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}
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static inline uint8_t GPIO_CheckBit(volatile uint32_t *pReg, uint8_t Bit) {
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return (*pReg >> Bit) & 1U;
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}
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static inline void GPIO_FlipBit(volatile uint32_t *pReg, uint8_t Bit) {
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*pReg ^= 1U << Bit;
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}
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static inline void GPIO_SetBit(volatile uint32_t *pReg, uint8_t Bit) {
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*pReg |= 1U << Bit;
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}
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#endif
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