void I2C_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
I2C_InitTypeDef I2C_InitStruct;
/* Configure the I2C clock source. The clock is derived from the HSI */
RCC_I2CCLKConfig(RCC_I2C1CLK_SYSCLK);
/*Enable GPIOB and I2c1 clock*/
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1 , ENABLE);
/* Connect PXx to I2C_SCL*/
GPIO_PinAFConfig(GPIOB,GPIO_PinSource6,GPIO_AF_1);
/* Connect PXx to I2C_SDA*/
GPIO_PinAFConfig(GPIOB,GPIO_PinSource7,GPIO_AF_1);
/*GPIO Configuration*/
/*Configure I2C1 pins: SCL */
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_OType = GPIO_OType_OD;
GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOB,&GPIO_InitStruct);
/*Configure sEE_I2C pins: SDA */
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7;
GPIO_Init(GPIOB , &GPIO_InitStruct);
/*I2C configuration*/
I2C_InitStruct.I2C_Mode = I2C_Mode_I2C;
I2C_InitStruct.I2C_AnalogFilter = I2C_AnalogFilter_Enable;
I2C_InitStruct.I2C_DigitalFilter = 0x00;
I2C_InitStruct.I2C_OwnAddress1 =0x00;
I2C_InitStruct.I2C_Ack = I2C_Ack_Enable;
I2C_InitStruct.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
I2C_InitStruct.I2C_Timing = 0x00210507;
I2C_Init(I2C1, &I2C_InitStruct);
I2C_Cmd(I2C1, ENABLE);
}
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