#include?“system_i2c.h“
//三軸數字加速度計和三軸數字磁力計IIC協議?、三軸數字陀螺儀IIC協議


extern?Int16DATA??AccMagData;?//加速度計與磁力計的數據結構體指針
extern?GyroDATA??GyrosData;
void?RCC_configuration（void）
{
	RCC_APB2PeriphClockCmd（?RCC_APB2Periph_GPIOB??ENABLE?）;
	RCC_APB2PeriphClockCmd（?RCC_APB2Periph_GPIOC??ENABLE?）;
	RCC_APB1PeriphClockCmd（?RCC_APB1Periph_I2C1??ENABLE?）;
	RCC_APB1PeriphClockCmd（?RCC_APB1Periph_I2C2??ENABLE?）;
}

void?IIC2_Init（void）
{
	GPIO_InitTypeDef?GPIO_InitStructure;
	I2C_InitTypeDef	I2C2_InitStructure;
	//I2C1_InitStructure
	GPIO_DeInit（GPIOB）;
	GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_10|GPIO_Pin_11;
	GPIO_InitStructure.GPIO_Speed?=?GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_AF_OD;???????
	GPIO_Init（GPIOB?&GPIO_InitStructure）;

	GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_9;//SA0和SA1
	GPIO_InitStructure.GPIO_Speed?=?GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_Out_PP;??//推挽輸出
	GPIO_Init（GPIOC?&GPIO_InitStructure）;
	GPIO_SetBits（GPIOCGPIO_Pin_6）;
	delay_ms（5）;
	GPIO_ResetBits（GPIOCGPIO_Pin_6）;	?//FXOS8700復位后，RESET位為低電平
	GPIO_ResetBits（GPIOCGPIO_Pin_7）;
	GPIO_ResetBits（GPIOCGPIO_Pin_9）;//設置FXOS8700的地址為0x1E
	
	I2C_DeInit（I2C2）;?
	I2C2_InitStructure.I2C_Mode?=?I2C_Mode_I2C;????????????
	I2C2_InitStructure.I2C_DutyCycle?=?I2C_DutyCycle_2;????
	I2C2_InitStructure.I2C_OwnAddress1?=?0xA0;?????????????
	I2C2_InitStructure.I2C_Ack?=?I2C_Ack_Enable;??	??????
	I2C2_InitStructure.I2C_AcknowledgedAddress?=?I2C_AcknowledgedAddress_7bit;?
	I2C2_InitStructure.I2C_ClockSpeed?=?100000;		??????
	I2C_Cmd（I2C2?ENABLE）;?							??????
	I2C_Init（I2C2?&I2C2_InitStructure）;	
	I2C_AcknowledgeConfig（I2C2?ENABLE）;?
	
}

void?IIC1_Init（void）
{
	GPIO_InitTypeDef?GPIO_InitStructure;
	I2C_InitTypeDef	I2C1_InitStructure;

	GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_6|GPIO_Pin_7;
	GPIO_InitStructure.GPIO_Speed?=?GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_AF_OD;???????
	GPIO_Init（GPIOB?&GPIO_InitStructure）;


	GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_0|GPIO_Pin_1;//SA0和SA1
	GPIO_InitStructure.GPIO_Speed?=?GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_Out_PP;??//推挽輸出
	GPIO_Init（GPIOC?&GPIO_InitStructure）;
	
	GPIO_ResetBits（GPIOCGPIO_Pin_1）;
	delay_ms（5）;
	GPIO_SetBits（GPIOCGPIO_Pin_1）;	?//FXOS21000復位后，RESET位為高電平
	GPIO_SetBits（GPIOCGPIO_Pin_0）;//設置FXAS21000地址為0x42
	
	I2C_DeInit（I2C1）;
	I2C1_InitStructure.I2C_Mode?=?I2C_Mode_I2C;????
	I2C1_InitStructure.I2C_DutyCycle?=?I2C_DutyCycle_2;
	I2C1_InitStructure.I2C_OwnAddress1?=?0xA1;?
	I2C1_InitStructure.I2C_Ack?=?I2C_Ack_Enable;???
	I2C1_InitStructure.I2C_AcknowledgedAddress?=?I2C_AcknowledgedAddress_7bit;?
	I2C1_InitStructure.I2C_ClockSpeed?=?100000;
	I2C_Cmd（I2C1?ENABLE）;
	I2C_Init（I2C1?&I2C1_InitStructure）;
	I2C_AcknowledgeConfig（I2C1?ENABLE）;
		
}
//I2C2寫一個字節數據，id為從設備地址，write_address為從設備寄存器地址，byte為要寫入的地址
void?I2C_WriteByte（I2C_TypeDef*?I2Cxu8?idu8?write_addressu8?byte）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-08-08?15:31??i2c\
?????文件???????12032??2014-07-22?09:01??i2c\i2c.c
?????文件????????4822??2014-06-22?17:58??i2c\i2c.h