User manual

139
Setup serial line break transmission.
break_signal - start/stop break
Return:
0 - No errors
virtual int do_tx(unsigned int len) = 0;
Initiate transmission.
len - number of bytes for transmission, or 0 for transmission all bytes from serial line
controller TX buffer. So CHAPI serial line understand that CHAPI serial line controller has
data for transmission and must call CHAPI serial line controller’s method get_tx_char(…)
via wrapper ctrl_get_tx_char(…) to obtain data for transmission.
Return :
0 - No errors
virtual int set_tx_enable() = 0;
Enable transmission.
Return:
0 - No errors
virtual int set_tx_disable() = 0;
Disable transmission.
Return:
0 - No errors
virtual int set_rx_enable() = 0;
Enable receive.
Return:
0 - No errors
virtual int set_rx_disable() = 0;
Disable receive.
Return:
0 - No errors