DCMD_CHR_PUTOBAND
QNX SDP8.0Devctl and Ioctl CommandsDeveloper
Send out of band data to the device
Synopsis:
#include <sys/dcmd_chr.h>
#define DCMD_CHR_PUTOBAND __DIOT(_DCMD_CHR, 26, 0)
Arguments to devctl():
Argument | Value |
---|---|
filedes | A file descriptor that you obtained by opening the device. |
dcmd | DCMD_CHR_PUTOBAND |
dev_data_ptr | A pointer to a char |
n_bytes | sizeof(char) |
dev_info_ptr | NULL |
Description:
This command sends out of band data to the device.
Input:
A pointer to an unsigned integer containing the out-of-band data; see DCMD_CHR_GETOBAND.
Output:
None.
See also:
devctl() in the QNX OS C Library Reference
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