2013-01-08 22:40:58 +08:00
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/***************************************************************************//**
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* @file drv_acmp.h
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* @brief ACMP (analog comparator) driver of RT-Thread RTOS for EFM32
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* COPYRIGHT (C) 2012, RT-Thread Development Team
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* @author onelife
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* @version 1.0
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*******************************************************************************
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* @section License
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* The license and distribution terms for this file may be found in the file
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* LICENSE in this distribution or at http://www.rt-thread.org/license/LICENSE
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*******************************************************************************
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* @section Change Logs
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* Date Author Notes
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* 2011-02-23 onelife Initial creation for EFM32
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* 2011-06-17 onelife Modify for efm32lib v2 upgrading
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******************************************************************************/
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#ifndef __DRV_ACMP_H__
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#define __DRV_ACMP_H__
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/* Includes ------------------------------------------------------------------*/
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#include "hdl_interrupt.h"
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/* Exported types ------------------------------------------------------------*/
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struct efm32_acmp_device_t
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{
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ACMP_TypeDef *acmp_device;
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efm32_irq_hook_t hook;
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};
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struct efm32_acmp_output_t
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{
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rt_uint32_t location;
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rt_bool_t enable;
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rt_bool_t invert;
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};
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struct efm32_acmp_control_t
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{
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ACMP_Init_TypeDef *init;
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ACMP_Channel_TypeDef posInput;
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ACMP_Channel_TypeDef negInput;
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struct efm32_acmp_output_t *output;
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efm32_irq_hook_t hook;
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};
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/* Exported constants --------------------------------------------------------*/
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions ------------------------------------------------------- */
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void rt_hw_acmp_init(void);
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#endif /*__DRV_ACMP_H__ */
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