cypress 专题

1.SPI 最大时钟可设置为8M

SCBCLK = Data rate * Oversampling factor.  Oversampling 为 6~16

2. 让sprintf支持 float 类型

http://www.cypress.com/knowledge-base-article/floating-point-support-printf-and-scanf-gnu-arm-compiler-kba89724

 

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