/* Driver for I2C peripheral

* David Hladky

* 2016

* Version 1.0 Update 6-30-2016

*/

/*-----------Include files-----------*/

#include "i2c_hal.h"

void i2c_hal_intialization()

{

/*------------------- Initialization I2C bus -------------------*/

/*---------- Setup GPIOB - I2C1 port --------------*/

__GPIOB_CLK_ENABLE(); // Enable clock source for GPIOB

I2C1_GPIO_struct.Pin = I2C1_SDA|I2C1_SCL;

I2C1_GPIO_struct.Mode = GPIO_MODE_AF_OD;

I2C1_GPIO_struct.Pull = GPIO_PULLUP;

I2C1_GPIO_struct.Speed = GPIO_SPEED_HIGH;

I2C1_GPIO_struct.Alternate = GPIO_AF4_I2C1;

HAL_GPIO_Init(GPIOB, & I2C1_GPIO_struct);

/*------------------- Setup I2C1 -------------------*/

__I2C1_CLK_ENABLE(); // Enable clock source for I2C peripherals

I2C1_struct.Instance = I2C1;

I2C1_struct.Init.ClockSpeed = 400000;

I2C1_struct.Init.DutyCycle = I2C_DUTYCYCLE_2;

I2C1_struct.Init.OwnAddress1 = 0;

I2C1_struct.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;

I2C1_struct.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED;

I2C1_struct.Init.OwnAddress2 = 0;

I2C1_struct.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED;

I2C1_struct.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED;

HAL_I2C_Init(&I2C1_struct);

}