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62 lines
1.8 KiB
62 lines
1.8 KiB
/*
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Copyright 2020-2025 Piotr Wilkon
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This file is part of VP-Digi.
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VP-Digi is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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VP-Digi is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with VP-Digi. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* This file is kind of HAL for digipeater external controls and signalization
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*/
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#ifndef DRIVERS_DIGIPEATER_LL_H_
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#define DRIVERS_DIGIPEATER_LL_H_
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#include <stdint.h>
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#if defined(STM32F103xB) || defined(STM32F103x8)
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#include "stm32f1xx.h"
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#define DIGIPEATER_LL_LED_ON() (GPIOB->BSRR = GPIO_BSRR_BS1)
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#define DIGIPEATER_LL_LED_OFF() (GPIOB->BSRR = GPIO_BSRR_BR1)
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/**
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* @brief Get external digipeater disable state
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* @return True if disabled, false if enabled
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*/
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#define DIGIPEATER_LL_GET_DISABLE_STATE() (!(GPIOB->IDR & GPIO_IDR_IDR0))
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#define DIGIPEATER_LL_INITIALIZE_RCC() do { \
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RCC->APB2ENR |= RCC_APB2ENR_IOPBEN; \
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} while(0); \
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#define DIGIPEATER_LL_INITIALIZE_INPUTS_OUTPUTS() do { \
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/* Digi disable input: PB0 (active low - pull up); digi active output: PB1 (active high) */ \
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/* Digi disable input: PB0 */ \
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GPIOB->CRL &= ~GPIO_CRL_MODE0; \
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GPIOB->CRL &= ~GPIO_CRL_CNF0_0; \
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GPIOB->CRL |= GPIO_CRL_CNF0_1; \
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GPIOB->BSRR = GPIO_BSRR_BS0; \
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/* Digi active LED: PB1 */ \
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GPIOB->CRL |= GPIO_CRL_MODE1_1; \
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GPIOB->CRL &= ~GPIO_CRL_MODE1_0; \
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GPIOB->CRL &= ~GPIO_CRL_CNF1; \
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} while(0); \
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#endif
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#endif
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