diff options
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_serial.c')
| -rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_serial.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_serial.c b/nuttx/arch/arm/src/stm32/stm32_serial.c index 8a7ed0964..698568bd7 100644 --- a/nuttx/arch/arm/src/stm32/stm32_serial.c +++ b/nuttx/arch/arm/src/stm32/stm32_serial.c @@ -327,7 +327,8 @@ static void up_rxint(struct uart_dev_s *dev, bool enable); static bool up_rxavailable(struct uart_dev_s *dev); #endif #ifdef CONFIG_SERIAL_IFLOWCONTROL -static bool up_rxflowcontrol(struct uart_dev_s *dev); +static bool up_rxflowcontrol(struct uart_dev_s *dev, unsigned int nbuffered, + bool upper); #endif static void up_send(struct uart_dev_s *dev, int ch); static void up_txint(struct uart_dev_s *dev, bool enable); @@ -2134,13 +2135,16 @@ static bool up_rxavailable(struct uart_dev_s *dev) * Name: up_rxflowcontrol * * Description: - * Called when Rx buffer is full. Return true if the Rx interrupt was - * disabled. + * Called when Rx buffer is full (or exceeds configured watermark levels + * if CONFIG_SERIAL_IFLOWCONTROL_WATERMARKS is defined). + * Return true if UART activated RX flow control to block more incoming + * data * ****************************************************************************/ #ifdef CONFIG_SERIAL_IFLOWCONTROL -static bool up_rxflowcontrol(struct uart_dev_s *dev) +static bool up_rxflowcontrol(struct uart_dev_s *dev, + unsigned int nbuffered, bool upper) { struct up_dev_s *priv = (struct up_dev_s*)dev->priv; uint16_t ie; |