Start a device handler
#include <mmc/sdio.h> #define DCMD_SDIO_DEV_START __DIOT (_DCMD_MISC, 0x16, int)
| Argument | Value |
|---|---|
| filedes | A file descriptor that you obtained by opening the device |
| dcmd | DCMD_SDIO_DEV_START |
| dev_data_ptr | A pointer to an int |
| n_bytes | sizeof(int) |
| dev_info_ptr | NULL |
This command starts a device handler.
The I/O function whose device handler you want to start.
None.