From 04b95840e106182266f71a549b85bcfff083deb1 Mon Sep 17 00:00:00 2001
From: chen <15335560115@163.com>
Date: 星期五, 23 五月 2025 18:07:48 +0800
Subject: [PATCH] 成功测试完毕新的蓝牙和MK的传输协议，并实现读写功能
---
keil/include/drivers/Usart.c | 43 +++++++++++++++++++++++++++++++++++++++++--
1 files changed, 41 insertions(+), 2 deletions(-)
diff --git a/keil/include/drivers/Usart.c b/keil/include/drivers/Usart.c
index df35beb..a9949bd 100644
--- a/keil/include/drivers/Usart.c
+++ b/keil/include/drivers/Usart.c
@@ -12,16 +12,21 @@
volatile int8_t m_EUART_TxFrm_FreeFrmLen = 0; //数据发送帧队列剩余帧数
//DMA数据接收缓存
uint8_t m_EUART_DMA_RXBuf[EUART_RX_BUF_SIZE]; //DMA数据接收缓存
+uint8_t m_EUART0_DMA_RXBuf[EUART_RX_BUF_SIZE]; //DMA数据接收缓存
volatile int32_t m_EUART_DMA_RXPtr = 0; //当前数据地址
+volatile int32_t m_EUART0_DMA_RXPtr = 0; //当前数据地址
//int16_t DMA_rxtemp = 0,DMA_rxtemp2 = 0; //当前数据地址缓存
//uint16_t datadelaycount = 0; //剩余1位数据延时等待处理
//标志变量
volatile uint8_t m_bEUARTPushingFrms = 0; //正在往发送队列存数据
+volatile uint8_t m_bEUART0PushingFrms = 0; //正在往发送队列存数据
volatile uint8_t m_bEUARTCheckingSend = 0; //正在确认数据发送
volatile uint8_t m_bEUARTCheckingRec = 0; //正在确认接收数据
+volatile uint8_t m_bEUART0CheckingRec = 0; //正在确认接收数据
volatile uint8_t m_bEUARTTxEn = 0; //使能发送
void (*Usart1ParseDataCallback)(uint8_t);
+void (*Usart0ParseDataCallback)(uint8_t);
void Usart1InitVariables(void)
{
m_EUART_TxFrm_FreeFrmLen = EUART_TX_FRM_SIZE-1;
@@ -35,9 +40,10 @@
//uint16_t t1,t2,t3,t4;
uint16_t t3;
-uint32_t cndtr=0;
+
void UART_CheckReceive(void)
{
+ uint32_t cndtr=0;
int32_t DMACnt = 0;
int32_t MaxDataLen = EUART_RX_BUF_SIZE;
cndtr=get_uart1_dma_cndtr();
@@ -71,7 +77,40 @@
}
-
+void UART0_CheckReceive(void)
+{ uint32_t cndtr=0;
+ int32_t DMACnt = 0;
+ int32_t MaxDataLen = EUART0_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_bEUART0PushingFrms)
+ return;
+ //判断是否正在Check
+ if(m_bEUART0CheckingRec)
+ return;
+ m_bEUART0CheckingRec = 1;
+ if(cndtr== 0)
+ {
+ m_bEUART0CheckingRec = 0;
+ return;
+ }
+ DMACnt = EUART0_RX_BUF_SIZE - cndtr;
+ while( m_EUART0_DMA_RXPtr != DMACnt && MaxDataLen > 0)
+ {
+ Usart0ParseDataCallback(m_EUART0_DMA_RXBuf[m_EUART0_DMA_RXPtr]);
+ //waitusart_timer = tag_frequency*USART_KEEPWAKE_TIME;
+ m_EUART0_DMA_RXPtr++;
+ if( m_EUART0_DMA_RXPtr >= EUART_RX_BUF_SIZE )
+ {
+ m_EUART0_DMA_RXPtr = 0;
+ }
+ DMACnt = EUART0_RX_BUF_SIZE - cndtr;
+ MaxDataLen--;
+ }
+ m_bEUART0CheckingRec = 0;
+
+}
#ifndef EXUART_USE_TXDMA
//查询方式发送数据
--
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