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Oops - need to turn off USART via control register B before reconfiguring, fix ordering of USART control register modifications in the Benito and USBtoSerial projects.

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Dean Camera 2010-07-30 01:11:04 +00:00
parent 28401f7bb7
commit 7c8d16fd7a
3 changed files with 8 additions and 8 deletions
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4
Projects/USBtoSerial/USBtoSerial.c
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@ -200,15 +200,15 @@ void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCI
}
/* Must turn off USART before reconfiguring it, otherwise incorrect operation may occur */
UCSR1A = 0;
UCSR1B = 0;
UCSR1A = 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 */
UCSR1C = ConfigMask;
UCSR1A = (1 << U2X1);
UCSR1B = ((1 << RXCIE1) | (1 << TXEN1) | (1 << RXEN1));
UCSR1C = ConfigMask;
}