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Merge pull request #3207 from mikeller/fix_hal_serial_wordlength 

Changed serial word length to be 9 bits with parity when HAL is used.
This commit is contained in:
Michael Keller 2017-06-11 18:15:04 +12:00 committed by GitHub
parent d3ba4c12b9 a2dd2f9c08
commit 763a9354bf
1 changed files with 3 additions and 1 deletions
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4
src/main/drivers/serial_uart_hal.c
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@ -75,7 +75,9 @@ void uartReconfigure(uartPort_t *uartPort)
HAL_UART_DeInit(&uartPort->Handle);
uartPort->Handle.Init.BaudRate = uartPort->port.baudRate;
uartPort->Handle.Init.WordLength = UART_WORDLENGTH_8B;
// according to the stm32 documentation wordlen has to be 9 for parity bits
// this does not seem to matter for rx but will give bad data on tx!
uartPort->Handle.Init.WordLength = (uartPort->port.options & SERIAL_PARITY_EVEN) ? UART_WORDLENGTH_9B : UART_WORDLENGTH_8B;
uartPort->Handle.Init.StopBits = (uartPort->port.options & SERIAL_STOPBITS_2) ? USART_STOPBITS_2 : USART_STOPBITS_1;
uartPort->Handle.Init.Parity = (uartPort->port.options & SERIAL_PARITY_EVEN) ? USART_PARITY_EVEN : USART_PARITY_NONE;
uartPort->Handle.Init.HwFlowCtl = UART_HWCONTROL_NONE;