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