From a95c209ade37589fa69990670da2506f5d10cc88 Mon Sep 17 00:00:00 2001
From: chen <15335560115@163.com>
Date: 星期日, 22 六月 2025 16:47:29 +0800
Subject: [PATCH] 无感闸机测试可用版本，解决多标签时数组访问越界问题，存入授权表问题，但是多个设备的控制gpio的关断间隔过短，导致频繁开关未解决
---
keil/include/drivers/Usart.c | 34 ++++++++++++++++++++++++++++++++++
1 files changed, 34 insertions(+), 0 deletions(-)
diff --git a/keil/include/drivers/Usart.c b/keil/include/drivers/Usart.c
index 3256a82..b4d321a 100644
--- a/keil/include/drivers/Usart.c
+++ b/keil/include/drivers/Usart.c
@@ -70,6 +70,40 @@
m_bEUARTCheckingRec = 0;
}
+void UART0_CheckReceive(void)
+{
+ int32_t DMACnt = 0;
+ int32_t MaxDataLen = EUART_RX_BUF_SIZE;
+ cndtr=get_uart0_dma_cndtr();
+ //缺少check保护
+ //如果正在往发送队列中添加数据，退出
+ if(m_bEUARTPushingFrms)
+ return;
+ //判断是否正在Check
+ if(m_bEUARTCheckingRec)
+ return;
+ m_bEUARTCheckingRec = 1;
+ if(cndtr== 0)
+ {
+ m_bEUARTCheckingRec = 0;
+ return;
+ }
+ DMACnt = EUART_RX_BUF_SIZE - cndtr;
+ while( m_EUART_DMA_RXPtr != DMACnt && MaxDataLen > 0)
+ {
+ Usart1ParseDataCallback(m_EUART_DMA_RXBuf[m_EUART_DMA_RXPtr]);
+ //waitusart_timer = tag_frequency*USART_KEEPWAKE_TIME;
+ m_EUART_DMA_RXPtr++;
+ if( m_EUART_DMA_RXPtr >= EUART_RX_BUF_SIZE )
+ {
+ m_EUART_DMA_RXPtr = 0;
+ }
+ DMACnt = EUART_RX_BUF_SIZE - cndtr;
+ MaxDataLen--;
+ }
+ m_bEUARTCheckingRec = 0;
+
+}
#ifndef EXUART_USE_TXDMA
--
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