2krom写满了，都不知道怎么优化了

2021-10-24 17:27:41 +08:00
parent b8bf07f4cf
commit 564e56fad6
27 changed files with 7967 additions and 6711 deletions
@@ -6,3 +6,100 @@
 */

 #include "iic.h"
+#include "gpio.h"
+#define iic_sda(x)	HAL_GPIO_WritePin(iic_sda_GPIO_Port, iic_sda_Pin, x)
+#define iic_scl(x)	HAL_GPIO_WritePin(iic_scl_GPIO_Port, iic_scl_Pin, x)
+#define read_iic_sda  HAL_GPIO_ReadPin(iic_sda_GPIO_Port, iic_sda_Pin)
+
+
+void iic_start()
+{
+	iic_sda(1);
+	iic_scl(1);
+	iic_sda(0);
+	iic_scl(0);
+}
+
+void iic_stop()
+{
+	iic_sda(0);
+	iic_scl(1);
+	iic_sda(1);
+}
+
+void iic_ack()
+{
+	iic_scl(1);
+	iic_scl(0);
+}
+
+void IIC_Write_Byte(unsigned char IIC_Byte){
+	iic_scl(0);
+	change_io_function(iic_sda_GPIO_Port, iic_sda_Pin,0);
+	for(unsigned char i=0;i<8;i++)
+	{
+		if(IIC_Byte & 0x80)
+		{
+			iic_sda(1);
+		}else{
+			iic_sda(0);
+		}
+		IIC_Byte<<=1;
+		iic_scl(1);
+		iic_scl(0);
+	}
+}
+
+unsigned char IIC_Read_Byte()
+{
+	unsigned char k=0;
+	iic_scl(0);
+	change_io_function(iic_sda_GPIO_Port, iic_sda_Pin,1);
+	for(unsigned char i=0; i<8; i++)
+	{
+		iic_scl(1);
+		if(read_iic_sda==1)
+		{
+			k|=0x01;
+		}
+		k<<=1;
+		iic_scl(0);
+	}
+	return(k);
+}
+
+
+void IIC_SAND_DATE(unsigned char DEVICE_ADD,unsigned char IN_DEVICE_ADD,char *DATAS,uint16_t LONG)
+{
+	iic_start();
+	IIC_Write_Byte(DEVICE_ADD);
+	iic_ack();
+	IIC_Write_Byte(IN_DEVICE_ADD);
+	iic_ack();
+	for(int a=0;a<LONG;a++)
+	{
+		IIC_Write_Byte(*DATAS);
+		DATAS++;
+	}
+	iic_ack();
+	iic_stop();
+}
+
+void IIC_READ_DATE(unsigned char DEVICE_ADD,unsigned char IN_DEVICE_ADD,char *DATAS,uint16_t LONG)
+{
+	iic_start();
+	IIC_Write_Byte(DEVICE_ADD);
+	iic_ack();
+	IIC_Write_Byte(IN_DEVICE_ADD);
+	iic_ack();
+	iic_start();
+	IIC_Write_Byte(IN_DEVICE_ADD+1);
+	iic_ack();
+	for(int a=0;a<LONG;a++)
+	{
+		*DATAS=IIC_Read_Byte();
+		DATAS++;
+	}
+	iic_ack();
+	iic_stop();
+}