Mirror/betaflight
1
0
Fork 0
mirror of https://github.com/betaflight/betaflight.git synced 2025-07-22 07:45:29 +03:00
Code Issues Wiki Activity

STM32F4: Drivers

Browse source
This commit is contained in:
blckmn 2016-06-08 05:37:08 +10:00
parent 96757c18a2
commit 7ca39bbde6
29 changed files with 2082 additions and 282 deletions
Download patch file Download diff file Expand all files Collapse all files

76
src/main/drivers/gpio_stm32f4xx.c Normal file
View file

@ -0,0 +1,76 @@
/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include <stdint.h>
#include "platform.h"
#include "build_config.h"
#include "gpio.h"
#define MODE_OFFSET 0
#define PUPD_OFFSET 2
#define OUTPUT_OFFSET 4
#define MODE_MASK ((1|2))
#define PUPD_MASK ((1|2))
#define OUTPUT_MASK ((1|2))
//#define GPIO_Speed_10MHz GPIO_Speed_Level_1 Fast Speed:10MHz
//#define GPIO_Speed_2MHz GPIO_Speed_Level_2 Medium Speed:2MHz
//#define GPIO_Speed_50MHz GPIO_Speed_Level_3 High Speed:50MHz
void gpioInit(GPIO_TypeDef *gpio, gpio_config_t *config)
{
GPIO_InitTypeDef GPIO_InitStructure;
uint32_t pinIndex;
for (pinIndex = 0; pinIndex < 16; pinIndex++) {
// are we doing this pin?
uint32_t pinMask = (0x1 << pinIndex);
if (config->pin & pinMask) {
GPIO_InitStructure.GPIO_Pin = pinMask;
GPIO_InitStructure.GPIO_Mode = (config->mode >> MODE_OFFSET) & MODE_MASK;
GPIOSpeed_TypeDef speed = GPIO_Medium_Speed;
switch (config->speed) {
case Speed_10MHz:
speed = GPIO_Medium_Speed;
break;
case Speed_2MHz:
speed = GPIO_Low_Speed;
break;
case Speed_50MHz:
speed = GPIO_Fast_Speed;
break;
}
GPIO_InitStructure.GPIO_Speed = speed;
GPIO_InitStructure.GPIO_OType = (config->mode >> OUTPUT_OFFSET) & OUTPUT_MASK;
GPIO_InitStructure.GPIO_PuPd = (config->mode >> PUPD_OFFSET) & PUPD_MASK;
GPIO_Init(gpio, &GPIO_InitStructure);
}
}
}
void gpioExtiLineConfig(uint8_t portsrc, uint8_t pinsrc)
{
SYSCFG_EXTILineConfig(portsrc, pinsrc);
}