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72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
/*
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* geany_encoding=koi8-r
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* hardware.h
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*
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* Copyright 2018 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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#pragma once
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#ifndef __HARDWARE_H__
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#define __HARDWARE_H__
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#include "stm32f0.h"
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#define CONCAT(a,b) a ## b
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#define STR_HELPER(s) #s
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#define STR(s) STR_HELPER(s)
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#define FORMUSART(X) CONCAT(USART, X)
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#define USARTX FORMUSART(USARTNUM)
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#if USARTNUM == 2
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#define USARTDMA DMA1_Channel4
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#define DMAIRQn DMA1_Channel4_5_IRQn
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#define USARTIRQn USART2_IRQn
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#elif USARTNUM == 1
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#define USARTDMA DMA1_Channel2
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#define DMAIRQn DMA1_Channel2_3_IRQn
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#define USARTIRQn USART1_IRQn
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#else
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#error "Wrong USARTNUM"
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#endif
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// LEDS: 0 - PA0, 1 - PA4
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// LED0 - blinking each second
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#define LED0_port GPIOA
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#define LED0_pin (1<<0)
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// LED1 - PWM
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#define LED1_port GPIOA
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#define LED1_pin (1<<4)
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#define SET_LED_PWM(N) do{TIM14->CCR1 = (uint32_t)N;}while(0)
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#define GET_LED_PWM() (uint8_t)(TIM14->CCR1)
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// Buttons' state: PA14 (1)/PA15 (0)
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#define GET_BTN0() ((GPIOA->IDR & (1<<15)) ? 0 : 1)
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#define GET_BTN1() ((GPIOA->IDR & (1<<14)) ? 0 : 1)
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// USB pullup (not used in STM32F0x2!) - PA13
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#define USBPU_port GPIOA
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#define USBPU_pin (1<<13)
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#define LED_blink(x) pin_toggle(x ## _port, x ## _pin)
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#define LED_on(x) pin_clear(x ## _port, x ## _pin)
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#define LED_off(x) pin_set(x ## _port, x ## _pin)
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void hw_setup();
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#endif // __HARDWARE_H__
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