osd-contiki/platform/stm32nucleo-spirit1/dev/leds-arch.c

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/**
******************************************************************************
* @file platform/stm32nucleo-spirit1/dev/leds-arch.c
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* @author System LAB
* @version V1.0.0
* @date 17-June-2015
* @brief Contiki LEDs API binding for the boards in use: Nucleo and SPIRIT1
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/**
* \addtogroup stm32nucleo-spirit1-peripherals
* @{
*
* \file
* Driver for the stm32nucleo-spirit1 LEDs
*/
/*---------------------------------------------------------------------------*/
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#include "contiki-conf.h"
#include "dev/leds.h"
#include "st-lib.h"
/*---------------------------------------------------------------------------*/
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#ifndef COMPILE_SENSORS
/* The Red LED (on SPIRIT1 exp board) is exposed only if the sensor board is NOT
* used, becasue of a pin conflict.
*/
extern st_lib_gpio_typedef* st_lib_a_led_gpio_port[];
extern const uint16_t st_lib_a_led_gpio_pin[];
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#endif /*COMPILE_SENSORS*/
extern st_lib_gpio_typedef* st_lib_gpio_port[];
extern const uint16_t st_lib_gpio_pin[];
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/*---------------------------------------------------------------------------*/
void leds_arch_init(void)
{
/* We have at least one led, the one on the Nucleo (GREEN)*/
st_lib_bsp_led_init(LED2);
st_lib_bsp_led_off(LED2);
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#ifndef COMPILE_SENSORS
/* The Red LED (on SPIRIT1 exp board) is exposed only if the sensor board is NOT
* used, becasue of a pin conflict.
*/
st_lib_radio_shield_led_init(RADIO_SHIELD_LED);
st_lib_radio_shield_led_off(RADIO_SHIELD_LED);
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#endif /*COMPILE_SENSORS*/
}
/*---------------------------------------------------------------------------*/
unsigned char leds_arch_get(void)
{
unsigned char ret = 0 ;
if (st_lib_hal_gpio_read_pin(st_lib_gpio_port[LED2],st_lib_gpio_pin[LED2])) {
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ret |= LEDS_GREEN;
}
#ifndef COMPILE_SENSORS
/* The Red LED (on SPIRIT1 exp board) is exposed only if the sensor board is NOT
* used, becasue of a pin conflict.
*/
if (st_lib_hal_gpio_read_pin(st_lib_a_led_gpio_port[RADIO_SHIELD_LED],
st_lib_a_led_gpio_pin[RADIO_SHIELD_LED])) {
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ret |= LEDS_RED;
}
#endif /*COMPILE_SENSORS*/
return ret;
}
/*---------------------------------------------------------------------------*/
void leds_arch_set(unsigned char leds)
{
if (leds & LEDS_GREEN) {
st_lib_bsp_led_on(LED2);
} else {
st_lib_bsp_led_off(LED2);
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}
#ifndef COMPILE_SENSORS
/* The Red LED (on SPIRIT1 exp board) is exposed only if the sensor board is NOT
* used, becasue of a pin conflict.
*/
if (leds & LEDS_RED) {
st_lib_radio_shield_led_on(RADIO_SHIELD_LED);
} else {
st_lib_radio_shield_led_off(RADIO_SHIELD_LED);
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}
#endif /*COMPILE_SENSORS*/
}
/*---------------------------------------------------------------------------*/
/** @} */