18#include "periph_cpu.h" 
   43        .rcc_mask       = RCC_APB1ENR1_I2C1EN,
 
   44        .rcc_sw_mask    = RCC_CCIPR_I2C1SEL_1,          
 
   47        .rcc_mask       = RCC_APB1ENR_I2C1EN,
 
   54#define I2C_0_ISR           isr_i2c1_er 
   56#define I2C_0_ISR           isr_i2c1 
   59#define I2C_NUMOF           ARRAY_SIZE(i2c_config) 
#define GPIO_PIN(x, y)
Define a CPU specific GPIO pin generator macro.
 
@ I2C_SPEED_NORMAL
normal mode: ~100 kbit/s
 
@ GPIO_AF1
use alternate function 1
 
@ GPIO_AF4
use alternate function 4
 
@ APB1
Advanced Peripheral Bus 1.
 
I2C configuration structure.