diff options
Diffstat (limited to 'Projects')
| -rw-r--r-- | Projects/USBtoSerial/USBtoSerial.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Projects/USBtoSerial/USBtoSerial.c b/Projects/USBtoSerial/USBtoSerial.c index 758e30ca6..1c791d95d 100644 --- a/Projects/USBtoSerial/USBtoSerial.c +++ b/Projects/USBtoSerial/USBtoSerial.c @@ -232,6 +232,9 @@ void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCI break; } + /* Keep the TX line held high (idle) while the USART is reconfigured */ + PORTD |= (1 << 3); + /* Must turn off USART before reconfiguring it, otherwise incorrect operation may occur */ UCSR1B = 0; UCSR1A = 0; @@ -244,5 +247,8 @@ void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCI UCSR1C = ConfigMask; UCSR1A = (1 << U2X1); UCSR1B = ((1 << RXCIE1) | (1 << TXEN1) | (1 << RXEN1)); + + /* Release the TX line after the USART has been reconfigured */ + PORTD &= ~(1 << 3); } |