6410SPI驱动中SPI_IOControl参数的意义
在6410SPI的驱动中函数SPI_IOControl有以下几个参数:
BOOL SPI_IOControl(
DWORD dwInst,
DWORD dwIoControlCode,
PBYTE lpInBuf,
DWORD nInBufSize,
PBYTE lpOutBuf,
DWORD nOutBufSize,
LPDWORD lpBytesRetruned)
而在6410的ADC驱动中,ADC_IOControl有以下的几个参数:
BOOL ADC_IOControl(DWORD Handle,
DWORD dwIoControlCode,
PDWORD pInBuf,
DWORD nInBufSize,
PDWORD pOutBuf,
DWORD nOutBufSize,
PDWORD pBytesReturned)
SPI_IOControl中的DWORD dwInst和ADC_IOControl中的DWORD Handle是什么意思呀?DeviceIoControl怎么传递参数给这个参数?谁能指导一下呀?