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c++练习，用于初次学习c++的广大同学们，希望大家喜欢(c++ practice to learn c++ for the first time the majority of students, hope you like)

说明：  实现串口1接受发送功能,接受和发送的波特率均为115200.使用多种接受发送模式，有自定义函数接受发送，有映射到C语言的printf发送数据，和scanf函数的映射接受字符串的功能。(make the usart1 work in stm32f103zet6,the program can make the urat receive the data at the boudrate 115200 ,send the data use the "printf" in C lib.)

ESP8266，实现无线通信模块的传输,通过51单片机(ESP8266, realizing the transmission of wireless communication module)

流水灯程序cc2541蓝牙裸奔,点亮第一个灯(Light water program cc2541 Bluetooth streaking, first lit the lamp)

说明：  MCS-51单片机实用汇编子程序库,有120多个子程序，含有各种数学函数，单字节、双字节和N字节的乘除法子程序，还有各种数据类型转换。可以直接复制粘贴使用，是学习单片机汇编难得的资料。(MCS-51 microcontroller practical assembly subroutine library with more than 120 subroutines, containing a variety of mathematical functions, single-byte, double-byte N bytes of multiplication and division, and another way process, as well as various data type conversions. Can copy and paste to use, is to learn valuable information on MCU assembly.)

51单片机编程器制作资料。内有pcb，原理图，物料清单，hex文件。自制成功(51 Microcontroller Programmer production of information. There pcb, schematics, BOM, hex file. Self-made success)

单片机典型系统设计实例精讲　第6章 红外遥控电子密码锁(SCM typical system design examples in Chapter 6 of Intensive infrared remote control electronic password lock)

FM1188原理图的一些元件的参数说明，还算详细(FM1188 some elements of the schematic description of the parameters, fairly detailed)

采用STM32单片机制作的CAN双机通信程序，附有说明文档(STM32 MCU CAN produced using dual machine communication program, with documentation )

stm32f4 adc 的代码，双通道，用DMA保存数据。(stm32f4 family c code, adc This example provides a short description of how to use the ADC peripheral to convert a regular channel in Dual interleaved mode using DMA in mode 3 with 5Msps. DMA mode 3 is used in interleaved mode in 6-bit and 8-bit resolutions. The Dual interleaved delay is configured 6 ADC clk cycles. On each DMA request (two data items are available) two bytes representing two ADC-converted data items are transferred as a half word. The data transfer order is similar to that of the DMA mode 2. A DMA request is generated each time 2 data items are available 1st request: ADC_CDR[15:0] = (ADC2_DR[7:0] << 8) | ADC1_DR[7:0] 2nd request: ADC_CDR[15:0] = (ADC2_DR[7:0] << 8) | ADC1_DR[7:0] The ADC1 and ADC2 are configured to convert ADC Channel 12, with conversion triggered by software. By this way, ADC channel 12 is converted each 6 cycles. In this example, the system clock is 168MHz, APB2 =84MHz and ADC clock = APB2 /2. Since ADCCLK=)