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LibrePilot/flight/PiOS/STM32F2xx/pios_led.c

97 lines
2.5 KiB
C

/**
******************************************************************************
* @addtogroup PIOS PIOS Core hardware abstraction layer
* @{
* @addtogroup PIOS_LED LED Functions
* @brief STM32 Hardware LED handling code
* @{
*
* @file pios_led.c
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief LED 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
*/
/* @todo why aren't LEDs just GPIOs? */
/* Project Includes */
#include "pios.h"
#if defined(PIOS_INCLUDE_LED)
/* Private Function Prototypes */
/* Local Variables */
static GPIO_TypeDef *LED_GPIO_PORT[PIOS_LED_NUM] = PIOS_LED_PORTS;
static const uint32_t LED_GPIO_PIN[PIOS_LED_NUM] = PIOS_LED_PINS;
/**
* Initialises all the LED's
*/
void PIOS_LED_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
for (int LEDNum = 0; LEDNum < PIOS_LED_NUM; LEDNum++) {
GPIO_InitStructure.GPIO_Pin = LED_GPIO_PIN[LEDNum];
GPIO_Init(LED_GPIO_PORT[LEDNum], &GPIO_InitStructure);
/* LED's Off */
PIOS_LED_Off(LEDNum);
}
}
/**
* Turn on LED
* \param[in] LED LED Name (LED1, LED2)
*/
void PIOS_LED_On(LedTypeDef LED)
{
GPIO_ResetBits(LED_GPIO_PORT[LED], LED_GPIO_PIN[LED]);
}
/**
* Turn off LED
* \param[in] LED LED Name (LED1, LED2)
*/
void PIOS_LED_Off(LedTypeDef LED)
{
GPIO_SetBits(LED_GPIO_PORT[LED], LED_GPIO_PIN[LED]);
}
/**
* Toggle LED on/off
* \param[in] LED LED Name (LED1, LED2)
*/
void PIOS_LED_Toggle(LedTypeDef LED)
{
GPIO_ToggleBits(LED_GPIO_PORT[LED], LED_GPIO_PIN[LED]);
}
#endif
/**
* @}
* @}
*/