mirror of
https://bitbucket.org/librepilot/librepilot.git
synced 2024-12-04 12:24:11 +01:00
101 lines
2.5 KiB
C
101 lines
2.5 KiB
C
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
* @addtogroup PIOS PIOS Core hardware abstraction layer
|
||
|
|
* @{
|
||
|
|
* @defgroup PIOS_GPIO GPIO Functions
|
||
|
|
* @brief GPIO hardware code for STM32F4xx
|
||
|
|
* @{
|
||
|
|
*
|
||
|
|
* @file pios_gpio.c
|
||
|
|
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
|
||
|
|
* @brief GPIO functions, init, toggle, on & off.
|
||
|
|
* @see The GNU Public License (GPL) Version 3
|
||
|
|
*
|
||
|
|
*****************************************************************************/
|
||
|
|
/*
|
||
|
|
* This program 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.
|
||
|
|
*
|
||
|
|
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
|
||
|
|
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Project Includes */
|
||
|
|
#include "pios.h"
|
||
|
|
|
||
|
|
#if defined(PIOS_INCLUDE_GPIO)
|
||
|
|
|
||
|
|
/* Private Function Prototypes */
|
||
|
|
|
||
|
|
/* Local Variables */
|
||
|
|
static GPIO_TypeDef *GPIO_PORT[PIOS_GPIO_NUM] = PIOS_GPIO_PORTS;
|
||
|
|
static const uint32_t GPIO_PIN[PIOS_GPIO_NUM] = PIOS_GPIO_PINS;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Initialises all the GPIO's
|
||
|
|
*/
|
||
|
|
void PIOS_GPIO_Init(void)
|
||
|
|
{
|
||
|
|
/* Do nothing */
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Enable a GPIO Pin
|
||
|
|
* \param[in] Pin Pin Number
|
||
|
|
*/
|
||
|
|
void PIOS_GPIO_Enable(uint8_t Pin)
|
||
|
|
{
|
||
|
|
GPIO_InitTypeDef GPIO_InitStructure;
|
||
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
|
||
|
|
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
|
||
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
|
||
|
|
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
|
||
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_PIN[Pin];
|
||
|
|
GPIO_Init(GPIO_PORT[Pin], &GPIO_InitStructure);
|
||
|
|
|
||
|
|
/* GPIO's Off */
|
||
|
|
PIOS_GPIO_Off(Pin);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Turn on Pin
|
||
|
|
* \param[in] Pin Pin Number
|
||
|
|
*/
|
||
|
|
void PIOS_GPIO_On(uint8_t Pin)
|
||
|
|
{
|
||
|
|
GPIO_ResetBits(GPIO_PORT[Pin], GPIO_PIN[Pin]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Turn off Pin
|
||
|
|
* \param[in] Pin Pin Number
|
||
|
|
*/
|
||
|
|
void PIOS_GPIO_Off(uint8_t Pin)
|
||
|
|
{
|
||
|
|
GPIO_SetBits(GPIO_PORT[Pin], GPIO_PIN[Pin]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Toggle Pin on/off
|
||
|
|
* \param[in] Pin Pin Number
|
||
|
|
*/
|
||
|
|
void PIOS_GPIO_Toggle(uint8_t Pin)
|
||
|
|
{
|
||
|
|
GPIO_ToggleBits(GPIO_PORT[Pin], GPIO_PIN[Pin]);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
* @}
|
||
|
|
*/
|