cust_os.h

一个基于windows mobile 的GPS 接受IC 驱动程序。

#ifndef CUST_OS_H__             // {
#define CUST_OS_H__

#include <ceddk.h>

//------------------------------------------------------------------------------
//
//      OS Customizing
//
//  This example OS customization does not apply to an actual OS, it
//  is for illustration only.
//
//------------------------------------------------------------------------------

extern void SetInterruptControl(int intrNum, int flag);
#define SPI_INTR_NUM        22

//------------------------------------------------------------------------------
//
//  OS_ERROR - this optional function is the channel to send SPI driver
//          errors to the HAL or the application.
//
//  OS_WAIT_US - required - wait the specified number of microseconds.
//          This function is called from within ISRs, so it can't block.
//
//  OS_SPI_INTR_ON()
//  OS_SPI_INTR_OFF()
//          Enable and disable the SPI interrupt because the device
//          driver is manipulating the device structure.
//
//------------------------------------------------------------------------------

#define OS_ERROR(error) SetLastError(error)

extern "C" void OSTWaitUS(DWORD microseconds);      // Speculative
// extern "C" void StallExecution(UINT microseconds);  // ceddk.h

// #define OS_WAIT_US(n)   OSTWaitUS(n)
// #define OS_WAIT_US(n)   StallExecution(n)
#define OS_WAIT_US(n)      msWait(n)

#define OS_SPI_INTR_ON()        // SetInterruptControl(SPI_INTR_NUM, 1)
#define OS_SPI_INTR_OFF()       // SetInterruptControl(SPI_INTR_NUM, 0)

#endif  // CUST_OS_H__          // }