spi.h

一个嵌入式linux的驱动程序例子

// ioctl definitions

// use 'k' as magic number
#define SPI_IOC_MAGIC    'k'
#define SPI_ADSL_RESERVE 0
#define SPI_ADSL_PSD     1
#define SPI_ADSL_RMS     2
#define SPI_ADSL_ATT     3
#define SPI_ADSL_BALANCE 4
#define SPI_ADSL_FEXT    5
#define SPI_ADSL_NEXT    6
#define SPI_ADSL_VOL     7
#define SPI_ADSL_RES     8
#define SPI_ADSL_STOPTEST 9



#define SPI_CHECK_DATA    10 
#define SPI_SEND_BOOTDATA 11
#define SPI_SET_BOOTLEN   12
#define SPI_GET_DATA      13
#define SPI_POWER_OFF     14
#define SPI_POWER_ON      15
#define SPI_MODEM_RESET   16
#define SPI_BLIGHT_ON     17
#define SPI_BLIGHT_OFF    18
#define SPI_IOC_MAXNR     18

 

#define TestDataReady    1
#define TestDataNotReady 0
#define TestDataTimeOut  -1

#define DataPacket     4