mirror of
https://github.com/eddyem/stm32samples.git
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68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
/*
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* This file is part of the nitrogen project.
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* Copyright 2023 Edward V. Emelianov <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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stm32f3.h>
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// "PCLK" frequency
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// really APB1=36M -> TIM2/3/4/6/7 f=72M, APB2=72M -> TIM1/8/15/16/17/20 f=72M
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#ifndef PCLK
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#define PCLK (72000000)
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#endif
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// USB pullup: PC9
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#define USBPU_port GPIOC
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#define USBPU_pin (1<<9)
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#define USBPU_ON() pin_clear(USBPU_port, USBPU_pin)
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#define USBPU_OFF() pin_set(USBPU_port, USBPU_pin)
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// LEDs PE8, PE9, PE10, PE11
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#define CONC(a,b,c) a ## b ## c
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#define MKPIN(a,n) CONC(a, n, _pin)
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#define LEDs_port (GPIOE)
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#define LEDS_AMOUNT (4)
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#define LED0_pin (1<<8)
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#define LED1_pin (1<<9)
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#define LED2_pin (1<<10)
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#define LED3_pin (1<<11)
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#define LED_blink(x) do{if(LEDsON) pin_toggle(LEDs_port, 1<<(8+x));}while(0)
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#define LED_off(x) do{pin_set(LEDs_port, 1<<(8+x));}while(0)
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#define LED_on(x) do{if(LEDsON) pin_clear(LEDs_port, 1<<(8+x));}while(0)
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#define LED_get(x) (LEDs_port->IDR & 1<<(8+x) ? 0 : 1)
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// Buttons amount
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#define BTNSNO (7)
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#define BTNs_port GPIOD
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// Buttons: PD9, PD10, PD11, PD12, PD13, PD14, PD15: pullup (active - 0)
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#define BTN0_pin (1<<9)
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#define BTN1_pin (1<<10)
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#define BTN2_pin (1<<11)
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#define BTN3_pin (1<<12)
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#define BTN4_pin (1<<13)
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#define BTN5_pin (1<<14)
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#define BTN6_pin (1<<15)
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// state 0 - pressed, 1 - released
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#define BTN_state(x) (BTNs_port->IDR & 1<<(9+x) ? 0 : 1)
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extern volatile uint32_t Tms;
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extern int LEDsON;
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uint8_t MSB(uint16_t val);
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void hw_setup();
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