diff options
Diffstat (limited to 'src/class')
| -rw-r--r-- | src/class/cdc/cdc_device.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/class/cdc/cdc_device.c b/src/class/cdc/cdc_device.c index c0de0cadd..f63418dae 100644 --- a/src/class/cdc/cdc_device.c +++ b/src/class/cdc/cdc_device.c @@ -335,25 +335,34 @@ bool cdcd_control_request(uint8_t rhport, tusb_control_request_t const * request switch ( request->bRequest ) { case CDC_REQUEST_SET_LINE_CODING: + TU_LOG2(" Set Line Coding\n"); tud_control_xfer(rhport, request, &p_cdc->line_coding, sizeof(cdc_line_coding_t)); break; case CDC_REQUEST_GET_LINE_CODING: + TU_LOG2(" Get Line Coding\n"); tud_control_xfer(rhport, request, &p_cdc->line_coding, sizeof(cdc_line_coding_t)); break; case CDC_REQUEST_SET_CONTROL_LINE_STATE: + { // CDC PSTN v1.2 section 6.3.12 // Bit 0: Indicates if DTE is present or not. // This signal corresponds to V.24 signal 108/2 and RS-232 signal DTR (Data Terminal Ready) // Bit 1: Carrier control for half-duplex modems. // This signal corresponds to V.24 signal 105 and RS-232 signal RTS (Request to Send) + bool const dtr = tu_bit_test(request->wValue, 0); + bool const rts = tu_bit_test(request->wValue, 1); + p_cdc->line_state = (uint8_t) request->wValue; + TU_LOG2(" Set Control Line State: DTR = %d, RTS = %d\n", dtr, rts); + tud_control_status(rhport, request); // Invoke callback - if ( tud_cdc_line_state_cb) tud_cdc_line_state_cb(itf, tu_bit_test(request->wValue, 0), tu_bit_test(request->wValue, 1)); + if ( tud_cdc_line_state_cb) tud_cdc_line_state_cb(itf, dtr, rts); + } break; default: return false; // stall unsupported request |