Initial commit: LSPi (LiangShanPi) project

GD32F470ZGT6 based project with full peripheral support: - SDRAM (W9825G6KH) via EXMC - LCD NT35510 (480x800) via EXMC NOR/PSRAM - Flash (W25Q64) via SPI - UART (USART0) debug console - LED indicators - CMSIS-DAP debug interface - CMake + ARM GCC toolchain build system
2026-04-26 16:24:42 +08:00
commit fc10ef2e10
152 changed files with 161765 additions and 0 deletions
@@ -0,0 +1,383 @@
+#include "touch.h"
+#include "stdio.h"
+#include "string.h"
+
+
+_m_tp_dev tp_dev;
+
+
+void delay_1us(uint16_t us)
+{
+    while(us--)
+    {
+        __NOP();
+        __NOP();
+        __NOP();
+        __NOP();
+        __NOP();
+        __NOP();
+    }
+}
+
+void CT_Delay(void)
+{
+	delay_1us(2);
+}
+
+void CT_IIC_Init(void)
+{
+    rcu_periph_clock_enable(SCL_RCU);
+    gpio_mode_set(SCL_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_PULLUP,SCL_PIN);
+    gpio_output_options_set(SCL_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,SCL_PIN);
+
+	rcu_periph_clock_enable(SDA_RCU);
+	gpio_mode_set(SDA_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_PULLUP,SDA_PIN);
+	gpio_output_options_set(SDA_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,SDA_PIN);
+
+}
+
+void CT_IIC_Start(void)
+{
+	CT_SDA_OUT();
+	SDA_ON;
+	SCL_ON;
+	delay_1us(30);
+ 	SDA_OFF;
+	CT_Delay();
+	SCL_OFF;
+}
+
+void CT_IIC_Stop(void)
+{
+	CT_SDA_OUT();
+	SCL_ON;
+	delay_1us(30);
+	SDA_OFF;
+	CT_Delay();
+	SDA_ON;
+}
+
+uint8_t CT_IIC_Wait_Ack(void)
+{
+	uint8_t ucErrTime=0;
+	CT_SDA_IN();
+	SDA_ON;
+	SCL_ON;
+	CT_Delay();
+	while(CT_READ_SDA)
+	{
+		ucErrTime++;
+		if(ucErrTime>250)
+		{
+			CT_IIC_Stop();
+			return 1;
+		}
+		CT_Delay();
+	}
+	SCL_OFF;
+	return 0;
+}
+
+void CT_IIC_Ack(void)
+{
+	SCL_OFF;
+	CT_SDA_OUT();
+	CT_Delay();
+	SDA_OFF;
+	CT_Delay();
+	SCL_ON;
+	CT_Delay();
+	SCL_OFF;
+}
+
+void CT_IIC_NAck(void)
+{
+	SCL_OFF;
+	CT_SDA_OUT();
+	CT_Delay();
+	SDA_ON;
+	CT_Delay();
+	SCL_ON;
+	CT_Delay();
+	SCL_OFF;
+}
+
+void CT_IIC_Send_Byte(uint8_t txd)
+{
+    uint8_t t;
+	CT_SDA_OUT();
+  	SCL_OFF;
+	CT_Delay();
+	for(t=0;t<8;t++)
+    {
+		if((txd&0x80)>>7)
+		{
+			gpio_bit_set(SDA_PORT,SDA_PIN);
+		}
+		else
+		{
+			gpio_bit_reset(SDA_PORT,SDA_PIN);
+		}
+
+        txd<<=1;
+		SCL_ON;
+		CT_Delay();
+		SCL_OFF;
+		CT_Delay();
+    }
+}
+
+uint8_t CT_IIC_Read_Byte(unsigned char ack)
+{
+	uint8_t i,receive=0;
+ 	CT_SDA_IN();
+	delay_1us(30);
+	for(i=0;i<8;i++ )
+	{
+		SCL_OFF;
+		CT_Delay();
+		SCL_ON;
+		receive<<=1;
+
+		if(CT_READ_SDA)receive++;
+	}
+
+	if (!ack)CT_IIC_NAck();
+	else CT_IIC_Ack();
+ 	return receive;
+}
+
+const uint8_t GT1151_CFG_TBL[]=
+{
+	0x63,0xE0,0x01,0x20,0x03,0x05,0x3D,0x04,0x00,0x08,
+	0x09,0x0F,0x55,0x37,0x33,0x11,0x00,0x03,0x08,0x56,
+	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x48,0x00,0x00,
+	0x3C,0x08,0x0A,0x28,0x1E,0x50,0x00,0x00,0x82,0xB4,
+	0xD2,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+	0x00,0x00,0x00,0x00,0x85,0x25,0x10,0x41,0x43,0x31,
+	0x0D,0x00,0xAD,0x22,0x24,0x7D,0x1D,0x1D,0x32,0xDF,
+	0x4F,0x44,0x0F,0x80,0x2C,0x50,0x50,0x00,0x00,0x00,
+	0x00,0xD3,0x00,0x00,0x00,0x00,0x0F,0x28,0x1E,0xFF,
+	0xF0,0x37,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+	0x00,0x00,0x00,0x00,0x50,0xB4,0xC0,0x94,0x53,0x2D,
+	0x0A,0x02,0xBE,0x60,0xA2,0x71,0x8F,0x82,0x80,0x92,
+	0x74,0xA3,0x6B,0x01,0x0F,0x14,0x03,0x1E,0x00,0x00,
+	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+	0x00,0x00,0x00,0x00,0x00,0x0D,0x0E,0x0F,0x10,0x12,
+	0x13,0x14,0x15,0x1F,0x1D,0x1B,0x1A,0x19,0x18,0x17,
+	0x16,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+	0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x06,0x08,0x0C,
+	0x12,0x13,0x14,0x15,0x17,0x18,0x19,0xFF,0xFF,0xFF,
+	0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+	0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,
+	0xC4,0x09,0x23,0x23,0x50,0x5D,0x54,0x4B,0x3C,0x0F,
+	0x32,0xFF,0xE4,0x04,0x40,0x00,0x8A,0x05,0x40,0x00,
+	0xAA,0x00,0x22,0x22,0x00,0x00,0x73,0x22,0x01
+};
+
+uint16_t CRC16(uint8_t *srcdata,uint16_t length)
+{
+	uint16_t crc=0xffff;
+	uint16_t i,j;
+	uint8_t value;
+	for(i=0;i<length;i++)
+	{
+		for(j=0;j<8;j++)
+		{
+			value=((srcdata[i]<<j)&0x80)^((crc&0x8000)>>8);
+			crc<<=1;
+			if(value!=0)
+			{
+				crc^=0x8005;
+			}
+		}
+	}
+	return crc;
+}
+
+void check_sum(void)
+{
+	uint16_t checksum=0;
+	uint8_t checksumH,checksumL;
+	uint8_t i=0;
+	for(i=0;i<(sizeof(GT1151_CFG_TBL)-3);i+=2)
+	checksum +=((GT1151_CFG_TBL[i]<<8)|GT1151_CFG_TBL[i+1]);
+	checksum =(~checksum)+1;
+	checksumH=checksum>>8;
+	checksumL=checksum;
+	printf("chksum:0x%X,\r\n",checksum);
+	printf("chksumH:0x%X,\r\n",checksumH);
+	printf("chksumL:0x%X,\r\n",checksumL);
+}
+
+uint8_t GT1151_Send_Cfg(uint8_t mode)
+{
+	uint16_t checksum=0;
+	uint8_t i=0;
+	for(i=0;i<(sizeof(GT1151_CFG_TBL)-3);i+=2)
+	checksum +=((GT1151_CFG_TBL[i]<<8)|GT1151_CFG_TBL[i+1]);
+	checksum =(~checksum)+1;
+	printf("chksum:0x%x,\r\n",checksum);
+	GT1151_WR_Reg(GT_CFGS_REG,(uint8_t*)GT1151_CFG_TBL,sizeof(GT1151_CFG_TBL));
+	return 0;
+}
+
+uint8_t GT1151_WR_Reg(uint16_t reg,uint8_t *buf,uint8_t len)
+{
+	uint8_t i;
+	uint8_t ret=0;
+	CT_IIC_Start();
+ 	CT_IIC_Send_Byte(GT_CMD_WR);
+	CT_IIC_Wait_Ack();
+	CT_IIC_Send_Byte(reg>>8);
+	CT_IIC_Wait_Ack();
+	CT_IIC_Send_Byte(reg&0XFF);
+	CT_IIC_Wait_Ack();
+	for(i=0;i<len;i++)
+	{
+    CT_IIC_Send_Byte(buf[i]);
+		ret=CT_IIC_Wait_Ack();
+		if(ret)break;
+	}
+    CT_IIC_Stop();
+	return ret;
+}
+
+void GT1151_RD_Reg(uint16_t reg,uint8_t *buf,uint8_t len)
+{
+	uint8_t i;
+ 	CT_IIC_Start();
+ 	CT_IIC_Send_Byte(GT_CMD_WR);
+	CT_IIC_Wait_Ack();
+ 	CT_IIC_Send_Byte(reg>>8);
+	CT_IIC_Wait_Ack();
+ 	CT_IIC_Send_Byte(reg&0XFF);
+	CT_IIC_Wait_Ack();
+ 	CT_IIC_Start();
+	CT_IIC_Send_Byte(GT_CMD_RD);
+	CT_IIC_Wait_Ack();
+	for(i=0;i<len;i++)
+	{
+    	buf[i]=CT_IIC_Read_Byte(i==(len-1)?0:1);
+	}
+    CT_IIC_Stop();
+}
+
+uint8_t Cfg_Info1[239] = {0};
+uint8_t GT1151_Init(void)
+{
+	uint8_t temp[6]={0};
+	uint8_t i=0;
+    rcu_periph_clock_enable(INT_RCU);
+    gpio_mode_set(INT_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE,INT_PIN);
+    gpio_output_options_set(INT_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,INT_PIN);
+
+	CT_IIC_Init();
+	gpio_mode_set(INT_PORT, GPIO_MODE_INPUT, GPIO_PUPD_NONE,INT_PIN);
+
+	delay_1ms(100);
+
+	GT1151_RD_Reg(GT_PID_REG,temp,4);
+
+	printf("CTP ID:GT%s\r\n",temp);
+
+	check_sum();
+
+	if(strcmp((char*)temp,"1158")==0)
+	{
+		GT1151_RD_Reg(GT_CFGS_REG,temp,1);
+		printf("Default Ver:0x%x\r\n",temp[0]);
+
+		#if 1
+		GT1151_RD_Reg(0x8050,Cfg_Info1,239);
+		printf("Config Info:\r\n");
+		for( i = 0; i < 239; i++ )
+		{
+			printf("0x%02X,",Cfg_Info1[i]);
+			if((i+1)%10==0)
+			printf("\r\n");
+		}
+		printf("\r\n");
+		#endif
+		return 0;
+	}
+	return 1;
+}
+
+const uint16_t GT1151_TPX_TBL[5]={GT_TP1_REG,GT_TP2_REG,GT_TP3_REG,GT_TP4_REG,GT_TP5_REG};
+
+uint8_t GT1151_Scan(uint8_t mode)
+{
+	uint8_t buf[4];
+	uint8_t i=0;
+	uint8_t res=0;
+	uint8_t temp;
+	uint8_t tempsta;
+ 	static uint8_t t=0;
+	t++;
+	if((t%10)==0||t<10)
+	{
+		GT1151_RD_Reg(GT_GSTID_REG,&mode,1);
+ 		if(mode&0X80&&((mode&0XF)<6))
+		{
+			temp=0;
+			GT1151_WR_Reg(GT_GSTID_REG,&temp,1);
+		}
+		if((mode&0XF)&&((mode&0XF)<6))
+		{
+			temp=0XFF<<(mode&0XF);
+			tempsta=tp_dev.sta;
+			tp_dev.sta=(~temp)|TP_PRES_DOWN|TP_CATH_PRES;
+			tp_dev.x[4]=tp_dev.x[0];
+			tp_dev.y[4]=tp_dev.y[0];
+			for(i=0;i<5;i++)
+			{
+				if(tp_dev.sta&(1<<i))
+				{
+					GT1151_RD_Reg(GT1151_TPX_TBL[i],buf,4);
+					if(tp_dev.touchtype&0X01)
+					{
+						tp_dev.x[i]=((uint16_t)buf[1]<<8)+buf[0];
+						tp_dev.y[i]=((uint16_t)buf[3]<<8)+buf[2];
+					}else
+					{
+						tp_dev.x[i]=((uint16_t)buf[1]<<8)+buf[0];
+						tp_dev.y[i]=((uint16_t)buf[3]<<8)+buf[2];
+					}
+					if(tp_dev.x[i]>0&&tp_dev.x[i]<480&&tp_dev.y[i]>0&&tp_dev.y[i]<800)
+					printf("x[%d]:%d,y[%d]:%d\r\n",i,tp_dev.x[i],i,tp_dev.y[i]);
+				}
+			}
+			res=1;
+			if(tp_dev.x[0]>1024||tp_dev.y[0]>1024)
+			{
+				if((mode&0XF)>1)
+				{
+					tp_dev.x[0]=tp_dev.x[1];
+					tp_dev.y[0]=tp_dev.y[1];
+					t=0;
+				}else
+				{
+					tp_dev.x[0]=tp_dev.x[4];
+					tp_dev.y[0]=tp_dev.y[4];
+					mode=0X80;
+					tp_dev.sta=tempsta;
+				}
+			}else t=0;
+		}
+	}
+	if((mode&0X8F)==0X80)
+	{
+		if(tp_dev.sta&TP_PRES_DOWN)
+		{
+			tp_dev.sta&=~(1<<7);
+		}else
+		{
+			tp_dev.x[0]=0xffff;
+			tp_dev.y[0]=0xffff;
+			tp_dev.sta&=0XE0;
+		}
+	}
+	if(t>240)t=10;
+	return res;
+}
@@ -0,0 +1,107 @@
+#ifndef __TOUCH_H__
+#define __TOUCH_H__
+#include "gd32f4xx.h"
+#include "systick.h"
+
+
+
+
+
+#define SCL_RCU  		RCU_GPIOB
+#define SCL_PORT 	 	GPIOB
+#define SCL_PIN    		GPIO_PIN_6
+#define SCL_ON			gpio_bit_set(SCL_PORT,SCL_PIN)
+#define SCL_OFF			gpio_bit_reset(SCL_PORT,SCL_PIN)
+#define SCL_TOGGLE		gpio_bit_toggle(SCL_PORT,SCL_PIN)
+
+#define SDA_RCU  		RCU_GPIOB
+#define SDA_PORT  		GPIOB
+#define SDA_PIN    		GPIO_PIN_7
+#define SDA_ON			gpio_bit_set(SDA_PORT,SDA_PIN)
+#define SDA_OFF			gpio_bit_reset(SDA_PORT,SDA_PIN)
+#define SDA_TOGGLE		gpio_bit_toggle(SDA_PORT,SDA_PIN)
+
+//IO方向设置
+#define CT_SDA_IN()  gpio_mode_set(SCL_PORT, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP,SDA_PIN);//{GPIOF->MODER&=~(3<<(2*11));GPIOF->MODER|=0<<2*11;}	//PF11输入模式
+#define CT_SDA_OUT() gpio_mode_set(SCL_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_PULLUP,SDA_PIN);//{GPIOF->MODER&=~(3<<(2*11));GPIOF->MODER|=1<<2*11;} 	//PF11输出模式
+//IO操作函数	 
+#define CT_IIC_SCL    //PBout(0) 	//SCL
+#define CT_IIC_SDA(val)    ((val)==1?SDA_ON:SDA_OFF)//PFout(11) //SDA	 
+#define CT_READ_SDA   gpio_input_bit_get(SDA_PORT,SDA_PIN) //PFin(11)  //输入SDA 
+ 
+#define RST_RCU             RCU_GPIOD
+#define RST_PORT            GPIOD
+#define RST_PIN             GPIO_PIN_12
+#define RST_ON			    gpio_bit_set(RST_PORT,RST_PIN);
+#define RST_OFF			    gpio_bit_reset(RST_PORT,RST_PIN);
+#define RST_TOGGLE	        gpio_bit_toggle(RST_PORT,RST_PIN);
+
+#define INT_RCU             RCU_GPIOD
+#define INT_PORT            GPIOD
+#define INT_PIN             GPIO_PIN_11
+#define INT_ON			    gpio_bit_set(INT_PORT,INT_PIN);
+#define INT_OFF			    gpio_bit_reset(INT_PORT,INT_PIN);
+#define INT_TOGGLE	        gpio_bit_toggle(INT_PORT,INT_PIN);
+   
+//I2C读写命令	
+#define GT_CMD_WR 		0X28    	//写命令
+#define GT_CMD_RD 		0X29		//读命令
+  
+//GT1151 部分寄存器定义 
+#define GT_CTRL_REG 	0X8040   	//GT1151控制寄存器
+#define GT_CFGS_REG 	0X8050   	//GT1151地址寄存器
+#define GT_CHECK_REG 	0X813C   	//GT1151验和寄存器
+#define GT_PID_REG 		0X8140   	//GT1151产品ID寄存器
+
+#define GT_GSTID_REG 	0X814E   	//GT1151前检测到的触摸情况
+#define GT_TP1_REG 		0X8150  	//第一个触摸点数据地址
+#define GT_TP2_REG 		0X8158		//第二个触摸点数据地址
+#define GT_TP3_REG 		0X8160		//第三个触摸点数据地址
+#define GT_TP4_REG 		0X8168		//第四个触摸点数据地址
+#define GT_TP5_REG 		0X8170		//第五个触摸点数据地址  
+ 
+#define TP_PRES_DOWN 0x80  //触屏被按下	  
+#define TP_CATH_PRES 0x40  //有按键按下了 
+#define CT_MAX_TOUCH  5    //电容屏支持的点数,固定为5点
+//触摸屏控制器
+typedef struct
+{
+//    uint8_t (*init)(void);			//初始化触摸屏控制器
+//    uint8_t (*scan)(uint8_t);				//扫描触摸屏.0,屏幕扫描;1,物理坐标;	 
+//    void (*adjust)(void);		//触摸屏校准 
+    uint16_t x[CT_MAX_TOUCH]; 		//当前坐标
+    uint16_t y[CT_MAX_TOUCH];		//电容屏有最多5组坐标,电阻屏则用x[0],y[0]代表:此次扫描时,触屏的坐标,用
+    uint8_t  sta;			//笔的状态    
+    float xfac;					
+    float yfac;
+    short xoff;
+    short yoff;	   
+    uint8_t touchtype;
+}_m_tp_dev;
+extern _m_tp_dev tp_dev;	 	//触屏控制器在touch.c里面定义
+
+
+//IIC所有操作函数
+void CT_IIC_Init(void);                	//初始化IIC的IO口				 
+void CT_IIC_Start(void);				//发送IIC开始信号
+void CT_IIC_Stop(void);	  				//发送IIC停止信号
+void CT_IIC_Send_Byte(uint8_t txd);			//IIC发送一个字节
+uint8_t CT_IIC_Read_Byte(unsigned char ack);	//IIC读取一个字节
+uint8_t CT_IIC_Wait_Ack(void); 				//IIC等待ACK信号
+void CT_IIC_Ack(void);					//IIC发送ACK信号
+void CT_IIC_NAck(void);					//IIC不发送ACK信号
+ 
+ 
+ 
+uint8_t GT1151_Send_Cfg(uint8_t mode);
+uint8_t GT1151_WR_Reg(uint16_t reg,uint8_t *buf,uint8_t len);
+void GT1151_RD_Reg(uint16_t reg,uint8_t *buf,uint8_t len); 
+uint8_t GT1151_Init(void);
+uint8_t GT1151_Scan(uint8_t mode); 
+
+
+
+
+
+
+#endif