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.
 
static const spi_conf_t spi_config[]
SPI configuration.
 
static const i2c_conf_t i2c_config[]
I2C configuration.
 
Common clock configuration for the nRF52 based boards.
 
@ I2C_SPEED_FAST
fast mode: ~400 kbit/s
 
I2C configuration structure.
 
TWI_t * dev
Pointer to hardware module registers.
 
SPI device configuration.
 
SPI_t * dev
pointer to the used SPI device