加入eeprom驱动，用于保存屏幕触控的校准数据

HW_Devices/eeprom.c

@@ -0,0 +1,93 @@
+/*
+ * eeprom.c
+ *
+ *  Created on: Aug 8, 2021
+ *      Author: wuwenfeng
+ */
+
+#include "eeprom.h"
+
+extern I2C_HandleTypeDef hi2c2;
+
+void IIC_SAND_DATE(uint16_t DEVICE_ADD,uint16_t IN_DEVICE_ADD,char *DATAS,uint16_t LONG)
+{
+	HAL_I2C_Mem_Write(&hi2c2,DEVICE_ADD,IN_DEVICE_ADD,I2C_MEMADD_SIZE_8BIT,DATAS,LONG,100);
+}
+
+void IIC_READ_DATE(uint16_t DEVICE_ADD,uint16_t IN_DEVICE_ADD,char *DATAS,uint16_t LONG)
+{
+	HAL_I2C_Mem_Read(&hi2c2,DEVICE_ADD,IN_DEVICE_ADD,I2C_MEMADD_SIZE_8BIT,DATAS,LONG,100);
+}
+
+eeprom_write_buff_info eeprom_write_buffer;
+void EPPROM_SLOWWRITE_INIT()
+{
+	eeprom_write_buffer.buff=NULL;
+	eeprom_write_buffer.end=NULL;
+	eeprom_write_buffer.head=NULL;
+	eeprom_write_buffer.save_timeout=5;
+	eeprom_write_buffer.save_busy=0;
+}
+
+void EEPROM_SLOWWRITE_SERVER()
+{
+	eeprom_write_buff *buff;
+	char data;
+	if(eeprom_write_buffer.save_busy)
+		{
+			if(HAL_GetTick()>eeprom_write_buffer.save_time)
+			{
+				eeprom_write_buffer.save_busy=0;
+			}
+		}else
+		{
+			if(eeprom_write_buffer.head!=NULL)
+			{
+				eeprom_write_buffer.save_busy=1;
+				eeprom_write_buffer.save_time=HAL_GetTick()+eeprom_write_buffer.save_timeout;
+				buff=eeprom_write_buffer.head->next;
+				data=eeprom_write_buffer.head->date;
+				IIC_SAND_DATE(EEPROM_ADDRESS,eeprom_write_buffer.head->add,&data,1);
+				free(eeprom_write_buffer.head);
+				eeprom_write_buffer.head=buff;
+			}
+
+		}
+}
+
+void EEPROM_READ_BATY(uint16_t IN_DEVICE_ADD,char *DATAS,uint16_t LONG)
+{
+	IIC_READ_DATE(EEPROM_ADDRESS,IN_DEVICE_ADD,DATAS,LONG);
+}
+
+void EEPROM_WRITE_BATY(uint16_t IN_DEVICE_ADD,char *DATAS,uint16_t LONG)
+{
+	//IIC_SAND_DATE(EEPROM_ADDRESS,IN_DEVICE_ADD,DATAS,LONG);
+	uint16_t addoffset=0;
+
+
+	eeprom_write_buff *buff;
+	eeprom_write_buff *buff2;
+	while(LONG--)
+	{
+		buff =(eeprom_write_buff*)malloc(sizeof(eeprom_write_buff));
+		if(buff!=NULL)
+		{
+			buff->add=IN_DEVICE_ADD+addoffset;
+			buff->date=DATAS[addoffset];
+			buff->next=NULL;
+		}else{return ;}
+		if(eeprom_write_buffer.head==NULL)
+		{
+			eeprom_write_buffer.head=buff;
+			eeprom_write_buffer.end=buff;
+		}else
+		{
+			buff2=eeprom_write_buffer.end;
+			buff2->next=buff;
+			eeprom_write_buffer.end=buff;
+		}
+		addoffset++;
+	}
+
+}

HW_Devices/eeprom.h

@@ -0,0 +1,38 @@
+/*
+ * eeprom.h
+ *
+ *  Created on: Aug 8, 2021
+ *      Author: wuwenfeng
+ */
+
+#ifndef EEPROM_H_
+#define EEPROM_H_
+#include "main.h"
+
+#define EEPROM_ADDRESS 0xa0
+
+typedef struct eeprom_write_buff
+{
+	struct eeprom_write_buff *next;
+	uint16_t          add;
+	char              date;
+}eeprom_write_buff;
+
+typedef struct eeprom_write_buff_info
+{
+	eeprom_write_buff *buff;
+	eeprom_write_buff *head;
+	eeprom_write_buff *end;
+	uint32_t save_time;
+	uint8_t save_timeout;
+	uint8_t save_busy:1;
+
+}eeprom_write_buff_info;
+
+void EPPROM_SLOWWRITE_INIT();
+void EEPROM_SLOWWRITE_SERVER();
+
+void EEPROM_READ_BATY(uint16_t IN_DEVICE_ADD,char *DATAS,uint16_t LONG);
+void EEPROM_WRITE_BATY(uint16_t IN_DEVICE_ADD,char *DATAS,uint16_t LONG);
+
+#endif /* EEPROM_H_ */

HW_Devices/touch.c

@@ -7,6 +7,8 @@
 
 #include "touch.h"
 #include "LCD.h"
+#include "eeprom.h"
+
 //默认为touchtype=0的数据.
 #define CMD_RDX 0X90
 #define CMD_RDY 0XD0
@@ -149,6 +151,13 @@ void TP_DrwaTrage(int x,int y,int r)
 
 void TP_adjustment()
 {
+	//判断是否需要校准，从eeprom获取数据
+	EEPROM_READ_BATY(16,(char *)&tconfig,sizeof(touch_config));
+	if(tconfig.begin==0xab&&tconfig.end==0xcd)
+	{
+		return;
+	}
+
 	char str[64];
 	uint16_t y_adc,x_adc,step=0,r=10;
 	uint16_t y1,y2,y3,y4,x1,x2,x3,x4;
@@ -286,13 +295,17 @@ void TP_adjustment()
 				tconfig.y_acc=acc_y;
 				tconfig.y_offset=offset_y;
 
+				tconfig.begin=0xab;
+				tconfig.end=0xcd;
+
+
 				sprintf(str,"x_acc=%f y_acc=%f",acc_x,acc_y);
 				LCD_ShowString(0,66+16+16+16+16,str,16,RED,RED);
 				sprintf(str,"x_offset=%d y_offset=%d",offset_x,offset_y);
 				LCD_ShowString(0,66+16+16+16+16+16,str,16,RED,RED);
 
 			}
-
+			EEPROM_WRITE_BATY(16,(char *)&tconfig,sizeof(touch_config));
 			HAL_Delay(1000);
 			return;