rt-thread-official/bsp/efm32/drv_emu.h

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2013-01-08 22:40:58 +08:00
/***************************************************************************//**
* @file drv_emu.h
* @brief EMU driver of RT-Thread RTOS for EFM32
* COPYRIGHT (C) 2012, RT-Thread Development Team
* @author onelife
* @version 1.0
*******************************************************************************
* @section License
* The license and distribution terms for this file may be found in the file
* LICENSE in this distribution or at http://www.rt-thread.org/license/LICENSE
*******************************************************************************
* @section Change Logs
* Date Author Notes
* 2011-02-21 onelife Initial creation for EFM32
* 2011-07-14 onelife Add multiple channels support for scan mode
******************************************************************************/
#ifndef __DRV_EMU_H__
#define __DRV_EMU_H__
/* Includes ------------------------------------------------------------------*/
/* Exported defines ----------------------------------------------------------*/
#define EMU_TASK_STACK_SIZE (256)
#define EMU_TASK_EM2_TOKEN_NUMBER (255)
#define EMU_TASK_EM3_TOKEN_NUMBER (255)
#define EMU_TASK_EM4_TOKEN_NUMBER (255)
#define EMU_RX_MESSAGE_SIZE (4)
#define EMU_RX_MESSAGE_QUEUE_SIZE (1)
/* Exported types ------------------------------------------------------------*/
struct efm32_emu_task
{
struct rt_thread thread;
struct rt_semaphore em2;
struct rt_semaphore em3;
struct rt_semaphore em4;
rt_uint8_t stack[EMU_TASK_STACK_SIZE];
};
/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
void emu_all_disable(void);
void emu_em2_disable(void);
void emu_em2_enable(void);
void emu_em3_disable(void);
void emu_em3_enable(void);
void emu_em4_disable(void);
void emu_em4_enable(void);
void efm32_emu_init(void);
#endif /*__DRV_EMU_H__ */