软件iic测试成功

2021-10-25 00:33:34 +08:00
parent 21c127e2b9
commit 39a9350cd1
10 changed files with 7082 additions and 6854 deletions
@@ -9,7 +9,29 @@
 #define IIC_H_

 #include "main.h"
+
+//产生IIC起始信号
+void IIC_Start(void);
+//产生IIC停止信号
+void IIC_Stop(void);
+//等待应答信号到来
+//返回值：1，接收应答失败
+//        0，接收应答成功
+uint8_t IIC_Wait_Ack(void);
+//产生ACK应答
+void IIC_Ack(void);
+//不产生ACK应答
+void IIC_NAck(void);
+//IIC发送一个字节
+//返回从机有无应答
+//1，有应答
+//0，无应答
+void IIC_Send_Byte(uint8_t txd);
+//读1个字节，ack=1时，发送ACK，ack=0，发送nACK
+uint8_t IIC_Read_Byte(unsigned char ack);
+
 void IIC_SAND_DATE(unsigned char DEVICE_ADD,unsigned char IN_DEVICE_ADD,char *DATAS,uint16_t LONG);
+
 void IIC_READ_DATE(unsigned char DEVICE_ADD,unsigned char IN_DEVICE_ADD,char *DATAS,uint16_t LONG);

 #endif /* IIC_H_ */