55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/*
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Copyright 2017 fishpepper <AT> gmail.com
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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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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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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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author: fishpepper <AT> gmail.com
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*/
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#include "hal_io.h"
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#include "hal_defines.h"
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#include "config.h"
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#include "led.h"
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#include "stm32f10x_rcc.h"
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#include "stm32f10x_gpio.h"
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void hal_io_init(void) {
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// configure bind io as input:
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GPIO_InitTypeDef gpio_init;
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// periph clock enable for port
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RCC_APBxPeriphClockCmd(BIND_JUMPER_GPIO_CLK_RCC, BIND_JUMPER_GPIO_CLK, ENABLE);
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// configure bind input as pullup
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gpio_init.GPIO_Pin = BIND_JUMPER_PIN;
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gpio_init.GPIO_Speed = GPIO_Speed_50MHz;
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gpio_init.GPIO_Mode = GPIO_Mode_IPU;
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GPIO_Init(BIND_JUMPER_GPIO, &gpio_init);
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}
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uint8_t hal_io_bind_request(void) {
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// Returs pin state (1 if HIGH, 0 if LOW)
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if (GPIO_ReadInputDataBit(BIND_JUMPER_GPIO, BIND_JUMPER_PIN)) {
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// HIGH -> button not pressed
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return 0;
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} else {
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// LOW -> button pressed
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return 1;
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}
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}
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