Force the RTS line to the specified level
#include <sys/dcmd_chr.h> #define DCMD_CHR_FORCE_RTS __DIOT(_DCMD_CHR, 34, int)
Argument | Value |
---|---|
filedes | A file descriptor that you obtained by opening the device. |
dcmd | DCMD_CHR_FORCE_RTS |
dev_data_ptr | A pointer to a int |
n_bytes | sizeof(int) |
dev_info_ptr | NULL |
This command forces the RTS line to the specified level.
The level of the RTS line: nonzero for high, or zero for low.
None.
devctl() in the QNX Neutrino C Library Reference