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driver: uart_stm32: add support for stm32f2 series

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clear RXNE flag in fifo_read, remove TEACK and REACK
check when uart_stm32_init because stm32f2 doesn't
has those flags.

Signed-off-by: qianfan Zhao <qianfanguijin@163.com>
This commit is contained in:
qianfan Zhao 2018-05-16 12:36:25 +08:00 • committed by Kumar Gala
commit bdeece01b8
5 changed files with 134 additions and 1 deletions
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3
drivers/serial/uart_stm32.c
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@ -99,7 +99,8 @@ static int uart_stm32_fifo_read(struct device *dev, u8_t *rx_data,
while ((size - num_rx > 0) &&
LL_USART_IsActiveFlag_RXNE(UartInstance)) {
#if defined(CONFIG_SOC_SERIES_STM32F1X) || defined(CONFIG_SOC_SERIES_STM32F4X)
#if defined(CONFIG_SOC_SERIES_STM32F1X) || defined(CONFIG_SOC_SERIES_STM32F4X) \
|| defined(CONFIG_SOC_SERIES_STM32F2X)
/* Clear the interrupt */
LL_USART_ClearFlag_RXNE(UartInstance);
#endif