(转载)Diy ST link

网址: http://www.micromouseonline.com/2014/01/05/mini-st-linkv2-programmer/

http://www.taylorkillian.com/2013/01/retrieving-st-linkv2-firmware-from.html

http://forum.eepw.com.cn/thread/226668/1

http://forum.easyelectronics.ru/viewtopic.php?f=17&t=6620&start=50

SD的SPI模式

参考规格：Physical Layer Simplified Specification 4.10

4.5 Cyclic Redundancy Code (CRC)     生成多项式: G(x) = x7 + x3 + 1 .即0x89

7.3.1.1 Command Format
     命令格式