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STM32F-DMA
- * 本文件实现串口发送功能(通过重构putchar函数,调用printf;或者USART_SendData() * 这里是一个用串口实现大量数据传输的例子,使用了DMA模块进行内存到USART的传输 每当USART的发送缓冲区空时,USART模块产生一个DMA事件, 此时DMA模块响应该事件,自动从预先定义好的发送缓冲区中拿出下一个字节送给USART 整个过程无需用户程序干预,用户只需启动DMA传输传输即可 在仿真器调试时,可以在数据传输过程中暂停运行,此时DMA模块并没有停
UART0-interrupt--DMA
- LPC1700系列,uart0串口中断接收数据,DMA发送数据,结合中断和DMA配合使用-LPC1700 series, uart0 serial interrupt receiving data, DMA to send data with the use of combined interrupt and DMA
usart_DMA
- stm32f103利用DMA进行串口数据接收与存储。-stm32f103 use DMA for serial data reception and storage.
stm32-chuankou-dma
- stm32 的串口dma数据接收,减轻cpu负担,不需要限制数据长度-stm32 dma serial data receiver, to reduce the burden cpu, no need to limit the length of the data
STM32F103_12M晶振_串口DMA查询接收
- 利用STM32, 查询DMA是否收到数据,与目前互联网上差别最大的地方,是利用定时器,不停开关DMA,去查询是否接收到数据,而且是不定长数据的接收。
DMA_for_USART3
- STM32的USART3,通过DMA实现串口数据的接收和发送,接收长度可变,发送长度可变-STM32 USART3, realize serial port through the DMA data receiving and sending, receiving variable length and send the length variable
DMA(basi-on-stm32F4)
- 1.实现了对串口2的操作。 2.利用DMA+空闲中断+串口,完成了对变帧长数据的接收与发送。-1. To achieve the serial port 2 operation. 2. Using DMA+ idle interrupt+ serial port, completed the variable frame data reception and transmission.
串口通信+DMA接收不定长数据
- 使用单片机STM32调试成功接收不定长数据成功,下载单片机成功运行
cc1110-no-use-DMA-receive-data
- iar9.3开发环境,cc1110非dam方式实现RF数据接收,可连续接收。带有串口打印功能。-Iar9.3 development environment, CC1110 non dam way to receive data
DMA
- 使用STM32的DMA功能进行串口接收数据,进行了相关的配置,可以很好的理解使用情况-The use of STM32 DMA function to receive serial data, the relevant configuration, you can understand the use of a good
用串口DMA方式接收发送数据
- 在STM32板子与电脑串口助手进行通信,用串口的DMA方式,先接收,再发送到PC端,可以连续接收,通过按键一次发送.(In the STM32 board and computer serial assistant for communication, using the serial port DMA way, first receive, and then sent to the PC terminal, you can receive continuously, sent through
stm32_dma
- stm32 dma 和串口接收大数据的处理(STM32, DMA and serial receive large data processing)
SysUART
- 程序初始化STM32F030 uart1和DMA,并通过DMA接收和发送不定长串口数据(The program initializes STM32F030, uart1 and DMA, and receives and sends the indefinite long serial data through the DMA)
dma+串口接收
- 无需中断产生,直接使用DMA接收串口的数据,直接下载下来,编译即可,(No need to interrupt, directly use the DMA to receive data from the serial port, download directly, compile it)
串口通信+DMA接收不定长数据
- 串口通信+DMA接收不定长数数据,芯片是stmf103,平台是keil4(Serial communication +DMA receives the indefinite long data)
串口通信+DMA接收不定长数据
- 利用DMA接收不定长的数据,原理是利用串口中断中的空闲中断读取DMA中的数据(Using DMA to receive indefinite long data)
UsartHandle
- 该模块实现串口DMA发送中断接收,与系统或者外设通信,一发一答的方式,发送一帧数据,需等待对方应答,如果在规定时间内未等到ACK数据,发送端 会重发该数据,采用状态机制原理,对串口使用以及协议搭建很参考价值(The module DMA send serial interrupt receiving, and system or peripheral communication, one answer, send a frame of data, need to wait for the ans
M to P
- DMA测试实验,将数据有内存发送到外设,数据由串口接收显示(DMA test experiment, send the data to the peripherals, the data is received from the serial port)
stm32F4_USART_DMADouble
- stm32F4的串口利用DMA收发数据,串口的空闲中断接收不定长数据(The serial port of stm32F4 uses DMA to send and receive data, and the free interruption of serial ports receives indefinite long data.)
串口空闲中断+DMA收发(基于STM32F103ZET6)
- 功能:使用串口调试助手给单片机发送数据, 单片机利用DMA接收后再通过DMA将数据返给调试助手