详细的usb设计sch pcb图纸，及源代码，可以参考

串口接收，spi口存储到AT45DB161，然后通过命令串口读出-Serial port reception, spi port stored in AT45DB161, and then read out the serial port through the command

1、电子地图的导入与导出                      2、电子地图的排序（冒泡，快速）                     3、电子地图的查找索引                                            4、电子地图的更新，修改                               5、二进制的转换 6、经纬度的转换                             

华邦CPU编程器仿真器设计-Winbond CPU Programming Design Simulation

这些源代码是一些例子，帮助嵌入式的程序员更好地理解 arm cortex m3 处理器的编程。

我是做单片机的，请站长和大家多多关照，我上船的这些程度可以作为学习者参考-SCM, please head to take care of you, I embarkation extent of these learners can be used as reference

三星ARM9 S3C2440 CPU，基于ADS1.2和UCOS-II的工程，包含USBH和USBD两部分驱动程序。

2500ad 的6502 编译器资料，要将扩展名改为arj，不是中文的-2500ad the 6502 compiler, the expansion should be changed arj, is not Chinese

这是个Mp3源代码，基于C实现，可以载入到嵌入式系统中来运行-This is a Mp3 source code, based on the C implementation can be loaded into the embedded system to run

File Name                      Description ---------------------------------------------------------------------------------------- fet140_1.c                     Software Toggle P1.0 fet140_adc12_01.c              ADC12, Sample A0, Set P1.0 if A0 > 0.5*AVcc fet140_adc12_02.c              ADC12, Using the Internal Reference fet140_adc12_03.c              ADC12, Sample A10 Temp, Set P1.0 if Temp ++ ~2C fet140_adc12_04.c              ADC12, Extend Sampling Period with SHT Bits fet

PLC程序，编译成工业控制程序