DCMD_I2C_BUS_RESET
QNX SDP8.0Customizing a BSPConfigurationDeveloper
#include <hw/i2c.h>
#define DCMD_I2C_BUS_RESET (__DION (_DCMD_I2C, 10))
The arguments to devctl() are:
| Argument | Value |
|---|---|
| filedes | A file descriptor that you obtained by opening the device. |
| dcmd | DCMD_I2C_BUS_RESET |
| dev_data_ptr | NULL |
| n_bytes | 0 |
| dev_info_ptr | NULL |
The DCMD_I2C_BUS_RESET command resets the bus.
- Input
- None.
- Output
- None.
If an error occurs, the command returns:
- EIO
- The driver either doesn't support resetting the bus, or it couldn't reset the controller.
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