Posted on August 04, 2015 at 09:54Hello. I'm using stm32f407 eval board.I want to communicate with gyro sensor in the board via SPI.But I can't get any signal from SPI AFIO pins.Please tell me if you find any errors from my codes.// SPI1 SCK(PA5), S...

Posted on July 25, 2015 at 02:19I used TIMER 2. It's interrupt time is 1us.I made one long pulse and short pulse using GPIO output pin and TIMER 2.but sometimes, interrupts occurred two times.First figure is the result I want to get.Second figure is...

Posted on July 25, 2015 at 02:13I used TIMER 2. It's interrupt time is 1us.I made one long pulse and short pulse using GPIO output pin and TIMER 2.but sometimes, interrupts occurred two times.First figure is the result I want to get.Second figure is...