xiaoxiang781216 commented on a change in pull request #5363:
URL: https://github.com/apache/incubator-nuttx/pull/5363#discussion_r801378995
##########
File path: arch/arm/src/phy62xx/uart.c
##########
@@ -921,11 +941,21 @@ static void pplus_uart_rxint(struct uart_dev_s *dev, bool
enable)
static bool pplus_uart_rxavailable(struct uart_dev_s *dev)
{
+ static int len_fifo;
uart_Ctx_t *priv = (uart_Ctx_t *)dev->priv;
-
- /* Return true if the receive buffer/fifo is not "empty." */
-
- return priv->rx_available;
+ /* Detect the length of received data from fifo*/
+ if(len_fifo == 0)
+ {
+ hal_UART0_IRQHandler();
+ len_fifo = fifo_len_store;
+ }
+ if(len_fifo <= 0)
+ {
+ len_fifo = 0;
+ return len_fifo;
+ }
+ else
+ return len_fifo--;
Review comment:
but the format is obviously wrong, please read the guide:
https://nuttx.apache.org/docs/latest/contributing/coding_style.html
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