i2cspm.h

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/***************************************************************************/
#ifndef __SILICON_LABS_I2CSPM_H__
#define __SILICON_LABS_I2CSPM_H__

#include "i2cspmconfig.h"
#include "em_gpio.h"
#include "em_i2c.h"

/***************************************************************************/
/***************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif

/*******************************************************************************
 ********************************   STRUCTS   **********************************
 ******************************************************************************/

typedef struct
{
  I2C_TypeDef           *port;          
  GPIO_Port_TypeDef     sclPort;        
  uint8_t               sclPin;         
  GPIO_Port_TypeDef     sdaPort;        
  uint8_t               sdaPin;         
#if defined (_I2C_ROUTELOC0_MASK)
  uint8_t               portLocationScl; 
  uint8_t               portLocationSda; 
#else
  uint8_t               portLocation;   
#endif
  uint32_t              i2cRefFreq;     
  uint32_t              i2cMaxFreq;     
  I2C_ClockHLR_TypeDef  i2cClhr;        
} I2CSPM_Init_TypeDef;


#if !defined( I2CSPM_INIT_DEFAULT )
#define I2CSPM_INIT_DEFAULT     \
  { I2C0,                       /* Use I2C instance 0 */                        \
    gpioPortC,                  /* SCL port */                                  \
    5,                          /* SCL pin */                                   \
    gpioPortC,                  /* SDA port */                                  \
    4,                          /* SDA pin */                                   \
    0,                          /* Location */                                  \
    0,                          /* Use currently configured reference clock */  \
    I2C_FREQ_STANDARD_MAX,      /* Set to standard rate  */                     \
    i2cClockHLRStandard,        /* Set to use 4:4 low/high duty cycle */        \
  }
#endif


/*******************************************************************************
 *****************************   PROTOTYPES   **********************************
 ******************************************************************************/

void I2CSPM_Init(I2CSPM_Init_TypeDef *init);
I2C_TransferReturn_TypeDef I2CSPM_Transfer(I2C_TypeDef *i2c, I2C_TransferSeq_TypeDef *seq);

#ifdef __cplusplus
}
#endif

#endif /* __SILICON_LABS_I2CSPM_H__ */