std :: hal::spi
#include <std/hal/spi.h> source
#include <std/hal/spi.h>
struct Stm32F4Spi { }
void init(unsigned long base, int mode) const
master, fPCLK/16, 8-bit, MSB first
unsigned char transfer(unsigned long base, unsigned char tx) const
void cs(unsigned long base, int asserted) const
NSS is a GPIO