SD2.0和3.0中文协议

说明：  This is an STM32 program for the CS43L22 Audio Codec.

主要介绍串联稳压电源原理及主要的应用电路。(Introduces the principle and the main power supply series application circuit)

Lecture notes on Functions in C++ with Examples

51单片机播放音乐《兰花草》程序，包括proteus仿真(51 microcontroller play music " orchids" program, including proteus simulation)

通过把开机次数记录在24C02中，并在数码管上显示出来， 124C02的写保护脚为低电平，即允许写(Boot number of records in the 24C02, and displayed on the digital 124C02 write-protect pin is low, that is allowed to write)

说明：  STM32F103驱动TCD1304线性CCD，同时MAX31865测量得到的温度值，通过串口输出至上位机(STM32F103 drives tcd1304 linear CCD, and the temperature measured by max31865 is output to the upper computer through the serial port)

加卷头小程序：对单炮地震数据加卷头：add reel for single shot (add reel for single shot )

st公式的开源高频注入部分代码(hifreqinj_fpu_ctrl)

字库相关资料，对于用到字库的人有很大帮助。(Font information, font used for people who are very helpful.)

中断大全。c语言编写。希望初学者能够用得上。别忘了好评啊！(Interrupt Daquan. c language. I hope beginners be to use it. Do not forget to praise ah!)