21#include "periph_cpu.h" 
   23#include "cfg_rtt_default.h" 
   24#include "cfg_timer_default.h" 
   44#define SPI_NUMOF           ARRAY_SIZE(spi_config) 
   60#define I2C_NUMOF           ARRAY_SIZE(i2c_config) 
#define GPIO_PIN(x, y)
Define a CPU specific GPIO pin generator macro.
 
@ I2C_SPEED_FAST
fast mode: ~400 kbit/s
 
Common clock configuration for the nRF52 based boards.
 
I2C configuration structure.
 
SPI device configuration.