From cc432b761c884a0bd8e9d83db0a4e26109fc08b1 Mon Sep 17 00:00:00 2001
From: chen <15335560115@163.com>
Date: 星期五, 08 十一月 2024 15:35:38 +0800
Subject: [PATCH] 安邦手环GPS删除部分无用数据和修改4G波特率9600出厂测试固件
---
keil/include/drivers/Usart.c | 285 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 285 insertions(+), 0 deletions(-)
diff --git a/keil/include/drivers/Usart.c b/keil/include/drivers/Usart.c
new file mode 100644
index 0000000..6d4af12
--- /dev/null
+++ b/keil/include/drivers/Usart.c
@@ -0,0 +1,285 @@
+#include "Usart.h"
+#include <string.h>
+#include <stdio.h>
+#include "mk_uart.h"
+//#include "modbus.h"
+//#include "Rcc_Nvic_Systick.h"
+
+//数据发送队列变量
+EUART_Frame m_EUART_TxFrames[EUART_TX_FRM_SIZE]; //数据发送帧队列
+volatile int8_t m_EUART_TxFrm_Tail = 0; //数据发送帧队列尾指针
+volatile int8_t m_EUART_TxFrm_Head = 0; //数据发送帧队列头指针
+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
+volatile int32_t m_EUART_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_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_bEUARTTxEn = 0; //使能发送
+
+void (*Usart1ParseDataCallback)(uint8_t);
+void Usart1InitVariables(void)
+{
+ m_EUART_TxFrm_FreeFrmLen = EUART_TX_FRM_SIZE-1;
+}
+
+
+
+
+
+//uint8_t overrun_flag=0;
+//uint16_t t1,t2,t3,t4;
+
+uint16_t t3;
+uint32_t cndtr=0;
+void UART_CheckReceive(void)
+{
+ int32_t DMACnt = 0;
+ int32_t MaxDataLen = EUART_RX_BUF_SIZE;
+ cndtr=get_uart1_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
+//查询方式发送数据
+void UART_CheckSend(void)
+{
+
+// static int32_t s_count = 0;
+//// uint32_t temp32 = 0;
+
+ if(m_bEUARTPushingFrms || m_bEUARTCheckingSend)
+ return;
+ m_bEUARTCheckingSend = 1;
+
+// //判断队列是否为空以及DMA是否空闲
+// //if ((EXT_UART->ISR & UART_FLAG_TXE) == (uint16_t)RESET) //上次发送未完成//MK8000修改
+// {
+// m_bEUARTCheckingSend = 0;
+// return;
+// }
+//
+// if(m_EUART_TxFrm_Head == m_EUART_TxFrm_Tail) //队列为空
+// {
+// //if((EXT_UART->ISR & UART_FLAG_TC) != (uint16_t)RESET) //发送完毕//MK8000修改
+// {
+// if(m_bEUARTTxEn)
+// {
+// m_bEUARTTxEn = 0;
+// t3++;
+//// temp32 = GPIOC->CRH; //C10悬空输入
+//// temp32 &= ~(0x00000000F<<8);
+//// temp32 |= (0x000000004<<8);
+//// GPIOC->CRH = temp32;// */
+// }
+// }
+// m_bEUARTCheckingSend = 0;
+// return;
+// }
+//
+// if(!m_bEUARTTxEn)
+// {
+// m_bEUARTTxEn = 1;
+// #ifdef BAUDRATE_19200
+// delay_us(500);
+// #else
+// delay_us(10);
+// #endif
+//// temp32 = GPIOC->CRH; //C10复用推挽输出
+//// temp32 &= ~(0x00000000F<<8);
+//// temp32 |= (0x000000009<<8);
+//// GPIOC->CRH = temp32;// */
+// }
+//
+// //发送一个字节数据
+// //EXT_UART->TDR = m_EUART_TxFrames[m_EUART_TxFrm_Tail].buf[s_count];//MK8000修改
+// s_count++;
+// if(s_count >= m_EUART_TxFrames[m_EUART_TxFrm_Tail].len) //一帧数据发送完毕
+// {
+// s_count = 0;
+// m_EUART_TxFrm_Tail++;
+// if(m_EUART_TxFrm_Tail == EUART_TX_FRM_SIZE)
+// m_EUART_TxFrm_Tail = 0;
+// m_EUART_TxFrm_FreeFrmLen++;
+// }
+// m_bEUARTCheckingSend = 0;
+//
+
+
+
+}
+
+#else
+/*
+//检查是否数据帧需要发送
+void UART_CheckSend(void)
+{
+//判断是否正在Check
+if(m_bEUARTPushingFrms || m_bEUARTCheckingSend)
+ return;
+m_bEUARTCheckingSend = 1;
+
+//判断DMA通道是否正在工作
+if((EUART_TX_DMA_CH->CCR & 0x01) != 0) //通道正在工作
+{
+ if((EUART_DMA->ISR & EUART_TX_DMA_IT_TC) == (uint32_t)RESET) //传输未完成
+ {
+ m_bEUARTCheckingSend = 0;
+ return;
+ }
+ else
+ {
+ EUART_DMA->IFCR = EUART_TX_DMA_IT_TC; //清除标志（注意寄存器和标志名称）
+ EUART_TX_DMA_CH->CCR &= ~((uint32_t)0x01); //禁用DMA
+ }
+}
+
+//判断队列是否为空
+if(m_EUART_TxFrm_Head == m_EUART_TxFrm_Tail)
+{
+ m_bEUARTCheckingSend = 0;
+ return;
+}
+
+//开启一次数据发送
+EUART_TX_DMA_CH->CMAR = (uint32_t)m_EUART_TxFrames[m_EUART_TxFrm_Tail].buf; //要发送的内存地址
+EUART_TX_DMA_CH->CNDTR = m_EUART_TxFrames[m_EUART_TxFrm_Tail].len; //要发送的字节数
+EUART_TX_DMA_CH->CCR |= 0x01; //开启一次DMA
+m_EUART_TxFrm_Tail++;
+if(m_EUART_TxFrm_Tail == EUART_TX_FRM_SIZE)
+ m_EUART_TxFrm_Tail = 0;
+m_EUART_TxFrm_FreeFrmLen++;
+m_bEUARTCheckingSend = 0;
+} // */
+#endif
+
+
+//将一帧数据压入发送队列
+void UART_PushFrame(uint8_t* pdata, int32_t data_len)
+{
+// uint8_t temp8 = 0;
+ if(m_bEUARTPushingFrms || m_bEUARTCheckingSend)
+ return;
+ m_bEUARTPushingFrms = 1;
+
+ if(data_len > EUART_TX_FRMBUF_SIZE || m_EUART_TxFrm_FreeFrmLen <= 0) //帧长度超范围或缓存已满
+ {
+ m_bEUARTPushingFrms = 0;
+ return;
+ }
+
+ //将要发送的数据帧压入队列
+ m_EUART_TxFrames[m_EUART_TxFrm_Head].len = data_len;
+ memcpy((uint8_t*)m_EUART_TxFrames[m_EUART_TxFrm_Head].buf, (uint8_t*)pdata, data_len);
+ m_EUART_TxFrm_Head++;
+ if(m_EUART_TxFrm_Head == EUART_TX_FRM_SIZE)
+ m_EUART_TxFrm_Head = 0;
+ m_EUART_TxFrm_FreeFrmLen--;
+ m_bEUARTPushingFrms = 0;
+}
+
+//将最新一帧数据Pop出队列
+void UART_PopFrame(void)
+{
+ if(m_bEUARTPushingFrms || m_bEUARTCheckingSend)
+ return;
+ if(m_EUART_TxFrm_FreeFrmLen >= EUART_TX_FRM_SIZE-1)
+ return;
+ m_EUART_TxFrm_Head--;
+ if(m_EUART_TxFrm_Head < 0)
+ m_EUART_TxFrm_Head = EUART_TX_FRM_SIZE-1;
+ m_EUART_TxFrm_FreeFrmLen++;
+}
+void USART_putc(uint8_t c)
+{
+ //while(!(USART2->SR & 0x00000040));
+ //USART_SendData(USART2,c);
+ /* e.g. write a character to the USART */
+ uart_send(UART_ID1, &c, 1, NULL);
+
+ /* Loop until the end of transmission */
+ //while ((USART1->ISR, UART_FLAG_TC) == RESET) ;MK8000修改
+}
+void USART_puts(uint8_t *s,uint8_t len)
+{
+ int i;
+ for(i=0; i<len; i++)
+ {
+ USART_putc(s[i]);
+ }
+}
+//int fputc(int ch, FILE *f)
+//{
+//
+//HAL_UART_Transmit(&huart1,(uint8_t*)&ch,1,1);
+// return (ch);
+//}
+
+
+
+///***************** UART发送一个字符 **********************/
+//void Uart2_SendByte( uint8_t ch )
+//{
+// /* 发送一个字节数据到USART1 */
+// HAL_UART_Transmit(&huart2, (uint8_t *)&ch, 1, 0x7FFF);
+//}
+///***************** 发送指定长度的字符串 **********************/
+//void Uart2_SendStr_length( uint8_t *str,uint32_t strlen )
+//{
+// unsigned int k=0;
+// do
+// {
+// Uart2_SendByte( *(str + k) );
+// k++;
+// } while(k < strlen);
+//}
+
+///***************** 发送字符串 **********************/
+//void Uart2_SendString( uint8_t *str)
+//{
+// unsigned int k=0;
+
+// do
+// {
+// Uart2_SendByte( *(str + k) );
+// k++;
+// } while(*(str + k)!='\0');
+//}
+
+
+
+
+
--
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