From cf4d12fd8322cbb350dd3bc5af8c748e8790ac64 Mon Sep 17 00:00:00 2001
From: jinlicong <493886250@qq.com>
Date: Wed, 05 Jun 2024 17:38:06 +0800
Subject: [PATCH] 继续测试修改
---
Function/FLOW_METER_DATA_COLLECT/rs485_read_data.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/Function/FLOW_METER_DATA_COLLECT/rs485_read_data.c b/Function/FLOW_METER_DATA_COLLECT/rs485_read_data.c
index c4bb60b..371a43e 100644
--- a/Function/FLOW_METER_DATA_COLLECT/rs485_read_data.c
+++ b/Function/FLOW_METER_DATA_COLLECT/rs485_read_data.c
@@ -83,6 +83,8 @@
dma_recv_cnt = dma_mar_reg_read - (uint32)RS485_read_data_recv_buff;
if(dma_recv_cnt)
{
+ if((dma_recv_cnt >= RS485_READ_DATA_RECV_BUFF_LEN_MAX)||(dma_recv_cnt >= WRC_REC_BUF_LENGTH))
+ return;
rs485_com_uart_data_g.recv_length = dma_recv_cnt;
arrayA_2_arrayB(RS485_read_data_recv_buff , rs485_com_uart_data_g.recv_buf, dma_recv_cnt, LITTLE_ENDIAN) ;
rs485_com_uart_data_g.recv_flag = SET;//�������
@@ -239,6 +241,7 @@
RS485_read_data_uart_Init(BaudRate,ParityBit,OneBit);
RS485_read_data_RX_DMA_CH3_Init();
+ uart_ctrl_para_g.RS485_rxto_flag = RESET;
RS485_PWR_ON;
delay_us(10);
@@ -258,8 +261,10 @@
ErrorStatus read_ok = FAIL;
//��鴮������
- RS485_read_data_RX_DMA_check();
-
+ if(uart_ctrl_para_g.RS485_rxto_flag ==SET){
+ uart_ctrl_para_g.RS485_rxto_flag = RESET;
+ RS485_read_data_RX_DMA_check();
+ }
//��������,����ɹ���������read_ok = PASS
if(rs485_com_uart_data_g.recv_flag == SET){
rs485_com_uart_data_g.recv_flag =RESET;
--
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