30 lines
827 B
C
30 lines
827 B
C
|
/** @file /hal/micro/cortexm3/button.c
|
||
|
|
* @brief button APIs
|
||
|
|
*
|
||
|
|
* <!--(C) COPYRIGHT 2010 STMicroelectronics. All rights reserved. -->
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include PLATFORM_HEADER
|
||
|
|
#include BOARD_HEADER
|
||
|
|
#include "hal/micro/button.h"
|
||
|
|
#include "hal/micro/micro-common.h"
|
||
|
|
#include "hal/micro/cortexm3/micro-common.h"
|
||
|
|
|
||
|
|
void halInitButton(void)
|
||
|
|
{
|
||
|
|
/* Set GPIO pin to PUD (input pull-up or pull-down) for button S1 */
|
||
|
|
halGpioConfig(BUTTON_S1,GPIOCFG_IN_PUD);
|
||
|
|
/* Set the button S1 gpio pin to pull-up */
|
||
|
|
BUTTON_S1_OUTPUT_GPIO |= GPIOOUT_PULLUP << BUTTON_S1_GPIO_PIN;
|
||
|
|
}/* end halInitButton() */
|
||
|
|
|
||
|
|
|
||
|
|
int8u halGetButtonStatus(HalBoardButton button)
|
||
|
|
{
|
||
|
|
if (button == BUTTON_S1)
|
||
|
|
return (BUTTON_S1_INPUT_GPIO & (1<<BUTTON_S1_GPIO_PIN)) ? BUTTON_RELEASED : BUTTON_PRESSED;
|
||
|
|
else
|
||
|
|
return BUTTON_UNKNOWN;
|
||
|
|
}/* end halGetButtonStatus()*/
|
||
|
|
|