ChinaUWBProject.git

			@@ -154,7 +154,7 @@
			//读1个字节，ack=1时，发送ACK，ack=0，发送nACK,不是一样的
			uint8_t IIC2_Read_pca_Byte(unsigned char ack)
			{
			unsigned char i,receive=0;
			unsigned char i,receive=0,bit=0;
			gpio_pin_set_dir(SDA_PIN,GPIO_DIR_IN,0); //设置为输入读取电平
			// io_pull_set(SDA_PIN , IO_HIGH_Z, IO_PULL_UP_NONE);
			for(i=0; i<8; i++ )
			@@ -162,8 +162,11 @@
			SCL_0;
			delay_us(6);//修改时间
			SCL_1;
			receive<<=1;
			if(IIC2_READ_SDA)receive++;
			//receive<<=1;
			if(IIC2_READ_SDA){
			bit=1<<i;
			receive\|=bit;
			}
			delay_us(5);
			}
			SCL_0;
			@@ -435,11 +438,11 @@
			{
			//IIC_gpio_pca_init();//配置IIC管脚

			PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,PCA_OUTPUT_CONFIG_MASK,PCA_OUTPUT_CONFIG_MASK);//全配置为输出
			//PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,PCA_OUTPUT_CONFIG_MASK,PCA_OUTPUT_CONFIG_MASK);//全配置为输出

			//PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,PCA_INPUT_CONFIG_MASK,PCA_INPUT_CONFIG_MASK);//全配置为输入
			PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,PCA_INPUT_CONFIG_MASK,PCA_INPUT_CONFIG_MASK);//全配置为输入
			//PCA9555_write_polarity_port_data(PCA9555_DEVICE_ADDR,0x00,0x00);//翻转
			PCA9555_Set_One_Value_Config(WAKE_UP,1);
			//PCA9555_Set_One_Value_Config(WAKE_UP,1);
			//PCA9555_Set_All_Output(1);

			//PCA9555_readdata_from_output_register(PCA9555_DEVICE_ADDR,pca9555writedata_input);
			@@ -448,7 +451,7 @@
			// PCA9555_Set_All_Output(0);
			//PCA9555_readdata_from_polarity_register(PCA9555_DEVICE_ADDR,pca9555writedata_input);
			PCA9555_readdata(PCA9555_DEVICE_ADDR,pca9555writedata_input);//读输入寄存器的值
			PCA9555_readdata_from_config_register(PCA9555_DEVICE_ADDR,pca9555writedata_config);
			//PCA9555_readdata_from_config_register(PCA9555_DEVICE_ADDR,pca9555writedata_config);
			// PCA9555_Set_All_Output(0);//全部拉低

			//测试