DCMD_SPI_GET_DRVINFO

QNX SDP8.0Devctl and Ioctl CommandsDeveloper

Get the SPI driver information

Synopsis:

#include <hw/io-spi.h>

#define DCMD_SPI_GET_DRVINFO    (__DIOT (_DCMD_SPI, 0x12, spi_drvinfo_t))

Arguments to devctl():

Argument Value
filedes A file descriptor that you obtained by opening the device.
dcmd DCMD_SPI_GET_DRVINFO
dev_data_ptr A pointer to a spi_drvinfo_t structure (see below)
n_bytes sizeof(spi_drvinfo_t)
dev_info_ptr NULL

Description:

The DCMD_SPI_GET_DRVINFO command gets the information for the low-level driver module.

Input:

None.

Output:

A filled spi_drvinfo_t structure:
typedef struct {
    uint32_t    version;
    char        name[SPI_DRVR_NAME_LEN];    /* Driver name */
    uint32_t    feature;
    uint32_t    verbosity;                  /* Driver verbosity level */
} spi_drvinfo_t;

Related links:

For more information, refer to the following documents:
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