diff options
| author | Dean <Dean@d5102386-fcda-11dd-9fdb-3debd5008f28> | 2010-07-29 15:14:56 +0000 |
|---|---|---|
| committer | Dean <Dean@d5102386-fcda-11dd-9fdb-3debd5008f28> | 2010-07-29 15:14:56 +0000 |
| commit | 2c3a27490f4ac7ff2ab6ad359281006f692cf3d4 (patch) | |
| tree | 37c2f79e6fc0c13981082d6cc5e4373473a50080 /Projects/Benito/Benito.c | |
| parent | 3684e5e4dd701e70ab70d30a59e83a6c6518e0b6 (diff) | |
Fixed Benito and USBtoSerial projects not turning off the USART before reconfiguring it, which could cause incorrect operation to occur (thanks to Bob Paddock).
git-svn-id: http://lufa-lib.googlecode.com/svn/trunk@1419 d5102386-fcda-11dd-9fdb-3debd5008f28
Diffstat (limited to 'Projects/Benito/Benito.c')
| -rw-r--r-- | Projects/Benito/Benito.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/Projects/Benito/Benito.c b/Projects/Benito/Benito.c index 71b187bf..834554b4 100644 --- a/Projects/Benito/Benito.c +++ b/Projects/Benito/Benito.c @@ -235,10 +235,18 @@ void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCI break; } - UCSR1A = (1 << U2X1); - UCSR1B = ((1 << RXCIE1) | (1 << TXEN1) | (1 << RXEN1)); - UCSR1C = ConfigMask; + /* Must turn off USART before reconfiguring it, otherwise incorrect operation may occur */ + UCSR1A = 0; + UCSR1B = 0; + UCSR1C = 0; + + /* Set the new baud rate before configuring the USART */ UBRR1 = SERIAL_2X_UBBRVAL(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS); + + /* Reconfigure the USART in double speed mode for a wider baud rate range at the expense of accuracy */ + UCSR1A = (1 << U2X1); + UCSR1B = ((1 << RXCIE1) | (1 << TXEN1) | (1 << RXEN1)); + UCSR1C = ConfigMask; } /** ISR to manage the reception of data from the serial port, placing received bytes into a circular buffer |