libopencm3/libopencm3 — pull request #105 by scdwyer (2013-02-26 19:26:54+00:00)
Title: [examples] added simple spi and dma based spi examples for stm32 f1 on Lisa/M v2 board

Used loopback on SPI1 interface to test both transmit and receive. Tested briefly in both 8bit and 16bit modes on lisa m v2. GPIOs used to time ISRs.