SPI 简介及特点
具有全双工、半双工和单工模式的主从操作。
16位宽度,独立的发送和接收缓冲区。
8位或16位数据帧格式。
低位在前或高位在前的数据位顺序。
软件和硬件NSS管理。
硬件CRC计算、发送和校验。
发送和接收支持DMA模式。
支持SPI四线功能的主机模式(只有SPI5) 。
串行外设接口(Serial Peripheral Interface,缩写为SPI) 提供了基于SPI协议的数据发送和接
收功能, 可以工作于主机或从机模式。 SPI接口支持具有硬件CRC计算和校验的全双工和单工
模式。 SPI5还支持SPI四线主机模式。
开发环境&参考文档
Keil-MDK 5.27.1.0
Windows11
固件库-GD32F4xx_Firmware_Library_V3.0.2
GD32F427xx_Datasheet_Rev1.2
GD32F4xx_User_Manual_Rev2.7_CN
GD32F4xx 固件库使用指南_V1.0
代码部分
SPI 初始化配置
spi.h 文件
#ifndef _SPI_H_
#define _SPI_H_
#include “gd32f4xx.h”
void SPI_Init(void);
#endif
spi.c 文件
#include “spi.h”
void SPI_Init(void)
{
spi_parameter_struct spi_init_struct;
rcu_periph_clock_enable(RCU_GPIOB);
rcu_periph_clock_enable(RCU_GPIOD);
rcu_periph_clock_enable(RCU_SPI0);
/* GPIOC config, PC10(LCD_SPI_CLK), PC11(SPI0_MISO), PC12(LCD_SPI_MOSI) */
gpio_af_set(GPIOB, GPIO_AF_5,GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5);
gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5);
gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5);
/* GPIOC config */
gpio_mode_set(GPIOD, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3);
gpio_output_options_set(GPIOD, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3);
gpio_bit_reset(GPIOD,GPIO_PIN_1);
gpio_bit_set(GPIOD,GPIO_PIN_3);
gpio_mode_set(GPIOD, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_0);
gpio_output_options_set(GPIOD, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_0);
gpio_bit_set(GPIOD,GPIO_PIN_0);
/* SPI0 parameter config */
spi_init_struct.trans_mode = SPI_TRANSMODE_FULLDUPLEX;
spi_init_struct.device_mode = SPI_MASTER;
spi_init_struct.frame_size = SPI_FRAMESIZE_8BIT;
spi_init_struct.clock_polarity_phase = SPI_CK_PL_LOW_PH_1EDGE;
spi_init_struct.nss = SPI_NSS_SOFT;
spi_init_struct.prescale = SPI_PSC_2;
spi_init_struct.endian = SPI_ENDIAN_MSB;
spi_init(SPI0, &spi_init_struct);
/* set crc polynomial */
spi_crc_polynomial_set(SPI0, 7);
spi_enable(SPI0);
}
LCD 初始化函数
lcd.h 文件
#ifndef __LCD_H
#define __LCD_H
#include “stdint.h”
#define USE_HORIZONTAL 2 //设置横屏或者竖屏显示 0或1为竖屏 2或3为横屏
//画笔颜色
#define WHITE 0xFFFF
#define BLACK 0x0000
#define BLUE 0x001F
#define BRED 0XF81F
#define GRED 0XFFE0
#define GBLUE 0X07FF
#define RED 0xF800
#define MAGENTA 0xF81F
#define GREEN 0x07E0
#define CYAN 0x7FFF
#define YELLOW 0xFFE0
#define BROWN 0XBC40 //棕色
#define BRRED 0XFC07 //棕红色
#define GRAY 0X8430 //灰色
//GUI颜色
#define DARKBLUE 0X01CF //深蓝色
#define LIGHTBLUE 0X7D7C //浅蓝色
#define GRAYBLUE 0X5458 //灰蓝色
//以上三色为PANEL的颜色
#define LIGHTGREEN 0X841F //浅绿色
#define LGRAY 0XC618 //浅灰色(PANNEL),窗体背景色
#define LGRAYBLUE 0XA651 //浅灰蓝色(中间层颜色)
#define LBBLUE 0X2B12 //浅棕蓝色(选择条目的反色)
#if USE_HORIZONTAL==0||USE_HORIZONTAL==1
#define LCD_W 80
#define LCD_H 160
#else
#define LCD_W 160
#define LCD_H 80
#endif
#define OLED_CMD 0 //写命令
#define OLED_DATA 1 //写数据
extern uint16_t BACK_COLOR; //背景色
/* tft cs */
#define LCD_CS_SET ((uint32_t)(GPIO_BOP(GPIOD) = GPIO_PIN_1))
#define LCD_CS_CLR ((uint32_t)(GPIO_BC(GPIOD) = GPIO_PIN_1))
/*tft rs/dc */
#define LCD_RS_SET ((uint32_t)(GPIO_BOP(GPIOD) = GPIO_PIN_2))
#define LCD_RS_CLR ((uint32_t)(GPIO_BC(GPIOD) = GPIO_PIN_2))
/*tft rst */
#define LCD_RST_SET ((uint32_t)(GPIO_BOP(GPIOD) = GPIO_PIN_3))
#define LCD_RST_CLR ((uint32_t)(GPIO_BC(GPIOD) = GPIO_PIN_3))
void LCD_WR_DATA8(uint8_t data);
void LCD_WR_DATA(uint16_t data);
void LCD_WR_REG(uint8_t data);
void LCD_Address_Set(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2);
void LCD_Init(void);
void LCD_Clear(uint16_t Color);
void LCD_ShowChinese(uint16_t x,uint16_t y,uint8_t index,uint8_t size,uint16_t color);
void LCD_DrawPoint(uint16_t x,uint16_t y,uint16_t color);
void LCD_DrawPoint_big(uint16_t x,uint16_t y,uint16_t color);
void LCD_Fill(uint16_t xsta,uint16_t ysta,uint16_t xend,uint16_t yend,uint16_t color);
void LCD_DrawLine(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2,uint16_t color);
void LCD_DrawRectangle(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2,uint16_t color);
void Draw_Circle(uint16_t x0,uint16_t y0,uint8_t r,uint16_t color);
void LCD_ShowChar(uint16_t x,uint16_t y,uint8_t num,uint8_t mode,uint16_t color);
void LCD_ShowString(uint16_t x,uint16_t y,const uint8_t *p,uint16_t color);
uint32_t mypow(uint8_t m,uint8_t n);
void LCD_ShowNum(uint16_t x,uint16_t y,uint16_t num,uint8_t len,uint16_t color);
void LCD_ShowNum1(uint16_t x,uint16_t y,float num,uint8_t len,uint16_t color);
void LCD_ShowPicture(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2);
#endif
lcd.c 文件
#include “lcd.h”
#include “oledfont.h”
#include “bmp.h”
#include “spi.h”
#include “systick.h”
uint16_t BACK_COLOR=LGRAY; //背景色
#define OLED_Dly 5
void OLED_Delay(uint32_t Num)
{
while(Num)
{
Num--;
}
}
/******************************************************************************
函数说明:LCD串行数据写入函数
入口数据:dat 要写入的串行数据
返回值: 无
******************************************************************************/
static uint8_t spi_write_byte(uint32_t spi_periph,uint8_t byte)
{
while(RESET == (SPI_STAT(spi_periph)&SPI_FLAG_TBE));
SPI_DATA(spi_periph) = byte;
while(RESET == (SPI_STAT(spi_periph)&SPI_FLAG_RBNE));
return(SPI_DATA(spi_periph));
}
/******************************************************************************
函数说明:LCD写入数据
入口数据:dat 写入的数据
返回值: 无
******************************************************************************/
void LCD_WR_DATA8(uint8_t data)
{
LCD_RS_SET;
spi_write_byte(SPI0,data);
}
/******************************************************************************
函数说明:LCD写入数据
入口数据:dat 写入的数据
返回值: 无
******************************************************************************/
void LCD_WR_DATA(uint16_t data)
{
LCD_WR_DATA8(data》》8);
LCD_WR_DATA8(data);
}
/******************************************************************************
函数说明:LCD写入命令
入口数据:dat 写入的命令
返回值: 无
******************************************************************************/
void LCD_WR_REG(uint8_t data)
{
LCD_RS_CLR;
spi_write_byte(SPI0,data);
}
/******************************************************************************
函数说明:设置起始和结束地址
入口数据:x1,x2 设置列的起始和结束地址
y1,y2 设置行的起始和结束地址
返回值: 无
******************************************************************************/
void LCD_Address_Set(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2)
{
if(USE_HORIZONTAL==0)
{
LCD_WR_REG(0x2a);//列地址设置
LCD_WR_DATA(x1+26);
LCD_WR_DATA(x2+26);
LCD_WR_REG(0x2b);//行地址设置
LCD_WR_DATA(y1+1);
LCD_WR_DATA(y2+1);
LCD_WR_REG(0x2c);//储存器写
}
else if(USE_HORIZONTAL==1)
{
LCD_WR_REG(0x2a);//列地址设置
LCD_WR_DATA(x1+26);
LCD_WR_DATA(x2+26);
LCD_WR_REG(0x2b);//行地址设置
LCD_WR_DATA(y1+1);
LCD_WR_DATA(y2+1);
LCD_WR_REG(0x2c);//储存器写
}
else if(USE_HORIZONTAL==2)
{
LCD_WR_REG(0x2a);//列地址设置
LCD_WR_DATA(x1+1);
LCD_WR_DATA(x2+1);
LCD_WR_REG(0x2b);//行地址设置
LCD_WR_DATA(y1+26);
LCD_WR_DATA(y2+26);
LCD_WR_REG(0x2c);//储存器写
}
else
{
LCD_WR_REG(0x2a);//列地址设置
LCD_WR_DATA(x1+1);
LCD_WR_DATA(x2+1);
LCD_WR_REG(0x2b);//行地址设置
LCD_WR_DATA(y1+26);
LCD_WR_DATA(y2+26);
LCD_WR_REG(0x2c);//储存器写
}
}
/******************************************************************************
函数说明:LCD初始化函数
入口数据:无
返回值: 无
******************************************************************************/
void LCD_Init(void)
{
// HAL_GPIO_WritePin(GPIOA,GPIO_PIN_8,GPIO_PIN_RESET);
// HAL_Delay(200);
// HAL_GPIO_WritePin(GPIOA,GPIO_PIN_8,GPIO_PIN_SET);
// HAL_Delay(200);
LCD_WR_REG(0x11);
delay_1ms(100);
LCD_WR_REG(0x21);
LCD_WR_REG(0xB1);
LCD_WR_DATA8(0x05);
LCD_WR_DATA8(0x3A);
LCD_WR_DATA8(0x3A);
LCD_WR_REG(0xB2);
LCD_WR_DATA8(0x05);
LCD_WR_DATA8(0x3A);
LCD_WR_DATA8(0x3A);
LCD_WR_REG(0xB3);
LCD_WR_DATA8(0x05);
LCD_WR_DATA8(0x3A);
LCD_WR_DATA8(0x3A);
LCD_WR_DATA8(0x05);
LCD_WR_DATA8(0x3A);
LCD_WR_DATA8(0x3A);
LCD_WR_REG(0xB4);
LCD_WR_DATA8(0x03);
LCD_WR_REG(0xC0);
LCD_WR_DATA8(0x62);
LCD_WR_DATA8(0x02);
LCD_WR_DATA8(0x04);
LCD_WR_REG(0xC1);
LCD_WR_DATA8(0xC0);
LCD_WR_REG(0xC2);
LCD_WR_DATA8(0x0D);
LCD_WR_DATA8(0x00);
LCD_WR_REG(0xC3);
LCD_WR_DATA8(0x8D);
LCD_WR_DATA8(0x6A);
LCD_WR_REG(0xC4);
LCD_WR_DATA8(0x8D);
LCD_WR_DATA8(0xEE);
LCD_WR_REG(0xC5); /*VCOM*/
LCD_WR_DATA8(0x0E);
LCD_WR_REG(0xE0);
LCD_WR_DATA8(0x10);
LCD_WR_DATA8(0x0E);
LCD_WR_DATA8(0x02);
LCD_WR_DATA8(0x03);
LCD_WR_DATA8(0x0E);
LCD_WR_DATA8(0x07);
LCD_WR_DATA8(0x02);
LCD_WR_DATA8(0x07);
LCD_WR_DATA8(0x0A);
LCD_WR_DATA8(0x12);
LCD_WR_DATA8(0x27);
LCD_WR_DATA8(0x37);
LCD_WR_DATA8(0x00);
LCD_WR_DATA8(0x0D);
LCD_WR_DATA8(0x0E);
LCD_WR_DATA8(0x10);
LCD_WR_REG(0xE1);
LCD_WR_DATA8(0x10);
LCD_WR_DATA8(0x0E);
LCD_WR_DATA8(0x03);
LCD_WR_DATA8(0x03);
LCD_WR_DATA8(0x0F);
LCD_WR_DATA8(0x06);
LCD_WR_DATA8(0x02);
LCD_WR_DATA8(0x08);
LCD_WR_DATA8(0x0A);
LCD_WR_DATA8(0x13);
LCD_WR_DATA8(0x26);
LCD_WR_DATA8(0x36);
LCD_WR_DATA8(0x00);
LCD_WR_DATA8(0x0D);
LCD_WR_DATA8(0x0E);
LCD_WR_DATA8(0x10);
LCD_WR_REG(0x3A);
LCD_WR_DATA8(0x05);
LCD_WR_REG(0x36);
if(USE_HORIZONTAL==0)LCD_WR_DATA8(0x08);
else if(USE_HORIZONTAL==1)LCD_WR_DATA8(0xC8);
else if(USE_HORIZONTAL==2)LCD_WR_DATA8(0x78);
else LCD_WR_DATA8(0xA8);
LCD_WR_REG(0x29);
}
/******************************************************************************
函数说明:LCD清屏函数
入口数据:无
返回值: 无
******************************************************************************/
void LCD_Clear(uint16_t Color)
{
uint16_t i,j;
LCD_Address_Set(0,0,LCD_W-1,LCD_H-1);
for(i=0;i《LCD_W;i++)
{
for (j=0;j《LCD_H;j++)
{
LCD_WR_DATA(Color);
}
}
}
/******************************************************************************
函数说明:LCD显示汉字
入口数据:x,y 起始坐标
index 汉字的序号
size 字号
返回值: 无
******************************************************************************/
void LCD_ShowChinese(uint16_t x,uint16_t y,uint8_t index,uint8_t size,uint16_t color)
{
uint8_t i,j;
uint8_t *temp,size1;
if(size==16){temp=Hzk16;}//选择字号
if(size==32){temp=Hzk32;}
LCD_Address_Set(x,y,x+size-1,y+size-1); //设置一个汉字的区域
size1=size*size/8;//一个汉字所占的字节
temp+=index*size1;//写入的起始位置
for(j=0;j《size1;j++)
{
for(i=0;i《8;i++)
{
if((*temp&(1《《i))!=0)//从数据的低位开始读
{
LCD_WR_DATA(color);//点亮
}
else
{
LCD_WR_DATA(BACK_COLOR);//不点亮
}
}
temp++;
}
}
/******************************************************************************
函数说明:LCD显示汉字
入口数据:x,y 起始坐标
返回值: 无
******************************************************************************/
void LCD_DrawPoint(uint16_t x,uint16_t y,uint16_t color)
{
LCD_Address_Set(x,y,x,y);//设置光标位置
LCD_WR_DATA(color);
}
/******************************************************************************
函数说明:LCD画一个大的点
入口数据:x,y 起始坐标
返回值: 无
******************************************************************************/
void LCD_DrawPoint_big(uint16_t x,uint16_t y,uint16_t color)
{
LCD_Fill(x-1,y-1,x+1,y+1,color);
}
/******************************************************************************
函数说明:在指定区域填充颜色
入口数据:xsta,ysta 起始坐标
xend,yend 终止坐标
返回值: 无
******************************************************************************/
void LCD_Fill(uint16_t xsta,uint16_t ysta,uint16_t xend,uint16_t yend,uint16_t color)
{
uint16_t i,j;
LCD_Address_Set(xsta,ysta,xend,yend); //设置光标位置
for(i=ysta;i《=yend;i++)
{
for(j=xsta;j《=xend;j++)LCD_WR_DATA(color);//设置光标位置
}
}
/******************************************************************************
函数说明:画线
入口数据:x1,y1 起始坐标
x2,y2 终止坐标
返回值: 无
******************************************************************************/
void LCD_DrawLine(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2,uint16_t color)
{
uint16_t t;
int xerr=0,yerr=0,delta_x,delta_y,distance;
int incx,incy,uRow,uCol;
delta_x=x2-x1; //计算坐标增量
delta_y=y2-y1;
uRow=x1;//画线起点坐标
uCol=y1;
if(delta_x》0)incx=1; //设置单步方向
else if (delta_x==0)incx=0;//垂直线
else {incx=-1;delta_x=-delta_x;}
if(delta_y》0)incy=1;
else if (delta_y==0)incy=0;//水平线
else {incy=-1;delta_y=-delta_x;}
if(delta_x》delta_y)distance=delta_x; //选取基本增量坐标轴
else distance=delta_y;
for(t=0;t《distance+1;t++)
{
LCD_DrawPoint(uRow,uCol,color);//画点
xerr+=delta_x;
yerr+=delta_y;
if(xerr》distance)
{
xerr-=distance;
uRow+=incx;
}
if(yerr》distance)
{
yerr-=distance;
uCol+=incy;
}
}
}
/******************************************************************************
函数说明:画矩形
入口数据:x1,y1 起始坐标
x2,y2 终止坐标
返回值: 无
******************************************************************************/
void LCD_DrawRectangle(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2,uint16_t color)
{
LCD_DrawLine(x1,y1,x2,y1,color);
LCD_DrawLine(x1,y1,x1,y2,color);
LCD_DrawLine(x1,y2,x2,y2,color);
LCD_DrawLine(x2,y1,x2,y2,color);
}
/******************************************************************************
函数说明:画圆
入口数据:x0,y0 圆心坐标
r 半径
返回值: 无
******************************************************************************/
void Draw_Circle(uint16_t x0,uint16_t y0,uint8_t r,uint16_t color)
{
int a,b;
a=0;b=r;
while(a《=b)
{
LCD_DrawPoint(x0-b,y0-a,color); //3
LCD_DrawPoint(x0+b,y0-a,color); //0
LCD_DrawPoint(x0-a,y0+b,color); //1
LCD_DrawPoint(x0-a,y0-b,color); //2
LCD_DrawPoint(x0+b,y0+a,color); //4
LCD_DrawPoint(x0+a,y0-b,color); //5
LCD_DrawPoint(x0+a,y0+b,color); //6
LCD_DrawPoint(x0-b,y0+a,color); //7
a++;
if((a*a+b*b)》(r*r))//判断要画的点是否过远
{
b--;
}
}
}
/******************************************************************************
函数说明:显示字符
入口数据:x,y 起点坐标
num 要显示的字符
mode 1叠加方式 0非叠加方式
返回值: 无
******************************************************************************/
void LCD_ShowChar(uint16_t x,uint16_t y,uint8_t num,uint8_t mode,uint16_t color)
{
uint8_t temp;
uint8_t pos,t;
uint16_t x0=x;
if(x》LCD_W-16||y》LCD_H-16)return; //设置窗口
num=num-‘ ’;//得到偏移后的值
LCD_Address_Set(x,y,x+8-1,y+16-1); //设置光标位置
if(!mode) //非叠加方式
{
for(pos=0;pos《16;pos++)
{
temp=asc2_1608[(uint16_t)num*16+pos]; //调用1608字体
for(t=0;t《8;t++)
{
if(temp&0x01)LCD_WR_DATA(color);
else LCD_WR_DATA(BACK_COLOR);
temp》》=1;
x++;
}
x=x0;
y++;
}
}else//叠加方式
{
for(pos=0;pos《16;pos++)
{
temp=asc2_1608[(uint16_t)num*16+pos]; //调用1608字体
for(t=0;t《8;t++)
{
if(temp&0x01)LCD_DrawPoint(x+t,y+pos,color);//画一个点
temp》》=1;
}
}
}
}
/******************************************************************************
函数说明:显示字符串
入口数据:x,y 起点坐标
*p 字符串起始地址
返回值: 无
******************************************************************************/
void LCD_ShowString(uint16_t x,uint16_t y,const uint8_t *p,uint16_t color)
{
while(*p!=‘ ’)
{
if(x》LCD_W-16){x=0;y+=16;}
if(y》LCD_H-16){y=x=0;LCD_Clear(RED);}
LCD_ShowChar(x,y,*p,0,color);
x+=8;
p++;
}
}
/******************************************************************************
函数说明:显示数字
入口数据:m底数,n指数
返回值: 无
******************************************************************************/
uint32_t mypow(uint8_t m,uint8_t n)
{
uint32_t result=1;
while(n--)result*=m;
return result;
}
/******************************************************************************
函数说明:显示数字
入口数据:x,y 起点坐标
num 要显示的数字
len 要显示的数字个数
返回值: 无
******************************************************************************/
void LCD_ShowNum(uint16_t x,uint16_t y,uint16_t num,uint8_t len,uint16_t color)
{
uint8_t t,temp;
uint8_t enshow=0;
for(t=0;t《len;t++)
{
temp=(num/mypow(10,len-t-1))%10;
if(enshow==0&&t《(len-1))
{
if(temp==0)
{
LCD_ShowChar(x+8*t,y,‘ ’,0,color);
continue;
}else enshow=1;
}
LCD_ShowChar(x+8*t,y,temp+48,0,color);
}
}
/******************************************************************************
函数说明:显示小数
入口数据:x,y 起点坐标
num 要显示的小数
len 要显示的数字个数
返回值: 无
******************************************************************************/
void LCD_ShowNum1(uint16_t x,uint16_t y,float num,uint8_t len,uint16_t color)
{
uint8_t t,temp;
uint16_t num1;
num1=num*100;
for(t=0;t《len;t++)
{
temp=(num1/mypow(10,len-t-1))%10;
if(t==(len-2))
{
LCD_ShowChar(x+8*(len-2),y,‘。’,0,color);
t++;
len+=1;
}
LCD_ShowChar(x+8*t,y,temp+48,0,color);
}
}
/******************************************************************************
函数说明:显示40x40图片
入口数据:x,y 起点坐标
返回值: 无
******************************************************************************/
void LCD_ShowPicture(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2)
{
int i;
LCD_Address_Set(x1,y1,x2,y2);
for(i=0;i《1600;i++)
{
LCD_WR_DATA8(image[i*2+1]);
LCD_WR_DATA8(image[i*2]);
}
}
字库文件
oledfont.h 文件
$\color{red}{注意:不要遗漏该文件,或者自己制作字库!!!}$
#ifndef __OLEDFONT_H
#define __OLEDFONT_H
//常用ASCII表
//偏移量32
//ASCII字符集
//偏移量32
//大小:12*6
#include “stdint.h”
/************************************6*8的点阵************************************/
/****************************************32*32的点阵************************************/
uint8_t Hzk32[]={
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x00,
0x00,0x70,0x00,0x00,0x00,0x60,0x00,0x00,0x00,0x60,0x00,0x00,0x00,0x60,0x00,0x00,
0x00,0x60,0x30,0x00,0x00,0xE0,0xFF,0x00,0xE0,0x7F,0xE0,0x01,0xE0,0x21,0xE0,0x00,
0x40,0x20,0x60,0x00,0xC0,0x20,0x60,0x00,0xC0,0xF8,0x73,0x00,0xC0,0x3E,0x30,0x00,
0x80,0x20,0x30,0x00,0x80,0x20,0x10,0x00,0x80,0x20,0x1E,0x00,0x80,0xFF,0x0F,0x00,
0x80,0x21,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x20,0x00,0x04,
0x00,0x60,0x00,0x04,0x00,0x60,0x00,0x0C,0x00,0xC0,0x01,0x0F,0x00,0x80,0xFF,0x07,
0x00,0x00,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*“电”,0*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0xF0,0x00,0x00,0x81,0xFF,0x00,0x00,0xFF,0x07,0x00,
0x00,0x03,0x00,0x00,0x00,0x03,0x07,0x00,0x00,0x03,0x0E,0x00,0x00,0x03,0x06,0x00,
0x00,0x03,0x06,0x00,0x00,0x03,0x06,0x00,0x00,0x03,0x06,0x00,0x00,0x01,0xFE,0x00,
0x80,0xE1,0x3F,0x00,0x80,0x01,0x06,0x00,0x80,0x01,0x46,0x00,0x80,0x00,0xC6,0x01,
0xC0,0x00,0x86,0x01,0xC0,0x00,0x06,0x01,0x60,0x00,0x06,0x00,0x60,0x00,0x06,0x0F,
0x30,0xC0,0xFF,0x1F,0x10,0xFF,0x03,0x00,0x08,0x00,0x00,0x00,0x04,0x00,0x00,0x00,
0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*“压”,1*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x00,
0x00,0x00,0x0E,0x00,0x00,0x00,0x0C,0x00,0xC0,0x00,0x08,0x00,0xC0,0x01,0x80,0x00,
0x80,0x03,0xF8,0x03,0x00,0xC0,0x3F,0x00,0x00,0xF0,0x03,0x00,0x00,0x00,0x07,0x00,
0x08,0x00,0x73,0x00,0x38,0x80,0xE1,0x00,0x30,0xC0,0xF0,0x01,0x20,0xE0,0x8F,0x01,
0x00,0xF0,0x01,0x00,0x00,0x31,0x10,0x00,0x80,0x00,0x60,0x00,0x80,0x10,0x63,0x00,
0xC0,0x70,0x23,0x00,0x40,0x30,0x22,0x00,0x60,0x30,0x22,0x20,0x60,0x30,0x22,0x20,
0x70,0x10,0x22,0x20,0x38,0x18,0x62,0x20,0x30,0x08,0xE3,0x30,0x20,0x0C,0xC2,0x3F,
0x00,0x03,0x00,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*“流”,2*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x1C,0x00,0x00,0x00,0x1F,0x00,0x00,0xF0,0x0C,0xF0,0x03,
0x60,0x84,0x8F,0x03,0x60,0x86,0x81,0x03,0x60,0x02,0x81,0x01,0x60,0x06,0x81,0x01,
0x60,0x06,0x81,0x01,0x60,0x04,0x9F,0x01,0x60,0x0C,0x81,0x01,0x60,0x0F,0x81,0x01,
0x60,0x0E,0x81,0x01,0x60,0x08,0x81,0x01,0x60,0x00,0xBF,0x01,0x60,0x00,0x81,0x01,
0x60,0x00,0x81,0x01,0x60,0x00,0x81,0x01,0x60,0x00,0x81,0x01,0x60,0x00,0x81,0x1D,
0x60,0x00,0xFF,0x7F,0x60,0xFC,0x07,0x00,0x60,0x00,0x00,0x00,0x60,0x00,0x00,0x00,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*“阻”,3*/};
const uint8_t asc2_1608[1520]={
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x00,0x00,0x18,0x18,0x00,0x00,
0x00,0x48,0x6C,0x24,0x12,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x24,0x24,0x24,0x7F,0x12,0x12,0x12,0x7F,0x12,0x12,0x12,0x00,0x00,
0x00,0x00,0x08,0x1C,0x2A,0x2A,0x0A,0x0C,0x18,0x28,0x28,0x2A,0x2A,0x1C,0x08,0x08,
0x00,0x00,0x00,0x22,0x25,0x15,0x15,0x15,0x2A,0x58,0x54,0x54,0x54,0x22,0x00,0x00,
0x00,0x00,0x00,0x0C,0x12,0x12,0x12,0x0A,0x76,0x25,0x29,0x11,0x91,0x6E,0x00,0x00,
0x00,0x06,0x06,0x04,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x40,0x20,0x10,0x10,0x08,0x08,0x08,0x08,0x08,0x08,0x10,0x10,0x20,0x40,0x00,
0x00,0x02,0x04,0x08,0x08,0x10,0x10,0x10,0x10,0x10,0x10,0x08,0x08,0x04,0x02,0x00,
0x00,0x00,0x00,0x00,0x08,0x08,0x6B,0x1C,0x1C,0x6B,0x08,0x08,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x08,0x08,0x08,0x08,0x7F,0x08,0x08,0x08,0x08,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x06,0x04,0x03,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x06,0x00,0x00,
0x00,0x00,0x80,0x40,0x40,0x20,0x20,0x10,0x10,0x08,0x08,0x04,0x04,0x02,0x02,0x00,
0x00,0x00,0x00,0x18,0x24,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x24,0x18,0x00,0x00,
0x00,0x00,0x00,0x08,0x0E,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x3E,0x00,0x00,
0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x20,0x20,0x10,0x08,0x04,0x42,0x7E,0x00,0x00,
0x00,0x00,0x00,0x3C,0x42,0x42,0x20,0x18,0x20,0x40,0x40,0x42,0x22,0x1C,0x00,0x00,
0x00,0x00,0x00,0x20,0x30,0x28,0x24,0x24,0x22,0x22,0x7E,0x20,0x20,0x78,0x00,0x00,
0x00,0x00,0x00,0x7E,0x02,0x02,0x02,0x1A,0x26,0x40,0x40,0x42,0x22,0x1C,0x00,0x00,
0x00,0x00,0x00,0x38,0x24,0x02,0x02,0x1A,0x26,0x42,0x42,0x42,0x24,0x18,0x00,0x00,
0x00,0x00,0x00,0x7E,0x22,0x22,0x10,0x10,0x08,0x08,0x08,0x08,0x08,0x08,0x00,0x00,
0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x24,0x18,0x24,0x42,0x42,0x42,0x3C,0x00,0x00,
0x00,0x00,0x00,0x18,0x24,0x42,0x42,0x42,0x64,0x58,0x40,0x40,0x24,0x1C,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x00,0x00,0x00,0x00,0x00,0x08,0x08,0x04,
0x00,0x00,0x00,0x40,0x20,0x10,0x08,0x04,0x02,0x04,0x08,0x10,0x20,0x40,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0x00,0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x02,0x04,0x08,0x10,0x20,0x40,0x20,0x10,0x08,0x04,0x02,0x00,0x00,
0x00,0x00,0x00,0x3C,0x42,0x42,0x46,0x40,0x20,0x10,0x10,0x00,0x18,0x18,0x00,0x00,
0x00,0x00,0x00,0x1C,0x22,0x5A,0x55,0x55,0x55,0x55,0x2D,0x42,0x22,0x1C,0x00,0x00,
0x00,0x00,0x00,0x08,0x08,0x18,0x14,0x14,0x24,0x3C,0x22,0x42,0x42,0xE7,0x00,0x00,
0x00,0x00,0x00,0x1F,0x22,0x22,0x22,0x1E,0x22,0x42,0x42,0x42,0x22,0x1F,0x00,0x00,
0x00,0x00,0x00,0x7C,0x42,0x42,0x01,0x01,0x01,0x01,0x01,0x42,0x22,0x1C,0x00,0x00,
0x00,0x00,0x00,0x1F,0x22,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x22,0x1F,0x00,0x00,
0x00,0x00,0x00,0x3F,0x42,0x12,0x12,0x1E,0x12,0x12,0x02,0x42,0x42,0x3F,0x00,0x00,
0x00,0x00,0x00,0x3F,0x42,0x12,0x12,0x1E,0x12,0x12,0x02,0x02,0x02,0x07,0x00,0x00,
0x00,0x00,0x00,0x3C,0x22,0x22,0x01,0x01,0x01,0x71,0x21,0x22,0x22,0x1C,0x00,0x00,
0x00,0x00,0x00,0xE7,0x42,0x42,0x42,0x42,0x7E,0x42,0x42,0x42,0x42,0xE7,0x00,0x00,
0x00,0x00,0x00,0x3E,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x3E,0x00,0x00,
0x00,0x00,0x00,0x7C,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x11,0x0F,
0x00,0x00,0x00,0x77,0x22,0x12,0x0A,0x0E,0x0A,0x12,0x12,0x22,0x22,0x77,0x00,0x00,
0x00,0x00,0x00,0x07,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x42,0x7F,0x00,0x00,
0x00,0x00,0x00,0x77,0x36,0x36,0x36,0x36,0x2A,0x2A,0x2A,0x2A,0x2A,0x6B,0x00,0x00,
0x00,0x00,0x00,0xE3,0x46,0x46,0x4A,0x4A,0x52,0x52,0x52,0x62,0x62,0x47,0x00,0x00,
0x00,0x00,0x00,0x1C,0x22,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x22,0x1C,0x00,0x00,
0x00,0x00,0x00,0x3F,0x42,0x42,0x42,0x42,0x3E,0x02,0x02,0x02,0x02,0x07,0x00,0x00,
0x00,0x00,0x00,0x1C,0x22,0x41,0x41,0x41,0x41,0x41,0x4D,0x53,0x32,0x1C,0x60,0x00,
0x00,0x00,0x00,0x3F,0x42,0x42,0x42,0x3E,0x12,0x12,0x22,0x22,0x42,0xC7,0x00,0x00,
0x00,0x00,0x00,0x7C,0x42,0x42,0x02,0x04,0x18,0x20,0x40,0x42,0x42,0x3E,0x00,0x00,
0x00,0x00,0x00,0x7F,0x49,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x1C,0x00,0x00,
0x00,0x00,0x00,0xE7,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x3C,0x00,0x00,
0x00,0x00,0x00,0xE7,0x42,0x42,0x22,0x24,0x24,0x14,0x14,0x18,0x08,0x08,0x00,0x00,
0x00,0x00,0x00,0x6B,0x49,0x49,0x49,0x49,0x55,0x55,0x36,0x22,0x22,0x22,0x00,0x00,
0x00,0x00,0x00,0xE7,0x42,0x24,0x24,0x18,0x18,0x18,0x24,0x24,0x42,0xE7,0x00,0x00,
0x00,0x00,0x00,0x77,0x22,0x22,0x14,0x14,0x08,0x08,0x08,0x08,0x08,0x1C,0x00,0x00,
0x00,0x00,0x00,0x7E,0x21,0x20,0x10,0x10,0x08,0x04,0x04,0x42,0x42,0x3F,0x00,0x00,
0x00,0x78,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x78,0x00,
0x00,0x00,0x02,0x02,0x04,0x04,0x08,0x08,0x08,0x10,0x10,0x20,0x20,0x20,0x40,0x40,
0x00,0x1E,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x1E,0x00,
0x00,0x38,0x44,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,
0x00,0x06,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x42,0x78,0x44,0x42,0x42,0xFC,0x00,0x00,
0x00,0x00,0x00,0x03,0x02,0x02,0x02,0x1A,0x26,0x42,0x42,0x42,0x26,0x1A,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x38,0x44,0x02,0x02,0x02,0x44,0x38,0x00,0x00,
0x00,0x00,0x00,0x60,0x40,0x40,0x40,0x78,0x44,0x42,0x42,0x42,0x64,0xD8,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x42,0x7E,0x02,0x02,0x42,0x3C,0x00,0x00,
0x00,0x00,0x00,0xF0,0x88,0x08,0x08,0x7E,0x08,0x08,0x08,0x08,0x08,0x3E,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7C,0x22,0x22,0x1C,0x02,0x3C,0x42,0x42,0x3C,
0x00,0x00,0x00,0x03,0x02,0x02,0x02,0x3A,0x46,0x42,0x42,0x42,0x42,0xE7,0x00,0x00,
0x00,0x00,0x00,0x0C,0x0C,0x00,0x00,0x0E,0x08,0x08,0x08,0x08,0x08,0x3E,0x00,0x00,
0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x38,0x20,0x20,0x20,0x20,0x20,0x20,0x22,0x1E,
0x00,0x00,0x00,0x03,0x02,0x02,0x02,0x72,0x12,0x0A,0x16,0x12,0x22,0x77,0x00,0x00,
0x00,0x00,0x00,0x0E,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x3E,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0x92,0x92,0x92,0x92,0x92,0xB7,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3B,0x46,0x42,0x42,0x42,0x42,0xE7,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x42,0x42,0x3C,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1B,0x26,0x42,0x42,0x42,0x22,0x1E,0x02,0x07,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x78,0x44,0x42,0x42,0x42,0x44,0x78,0x40,0xE0,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x77,0x4C,0x04,0x04,0x04,0x04,0x1F,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7C,0x42,0x02,0x3C,0x40,0x42,0x3E,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x08,0x08,0x3E,0x08,0x08,0x08,0x08,0x08,0x30,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x63,0x42,0x42,0x42,0x42,0x62,0xDC,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE7,0x42,0x24,0x24,0x14,0x08,0x08,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xEB,0x49,0x49,0x55,0x55,0x22,0x22,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x76,0x24,0x18,0x18,0x18,0x24,0x6E,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE7,0x42,0x24,0x24,0x14,0x18,0x08,0x08,0x07,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7E,0x22,0x10,0x08,0x08,0x44,0x7E,0x00,0x00,
0x00,0xC0,0x20,0x20,0x20,0x20,0x20,0x10,0x20,0x20,0x20,0x20,0x20,0x20,0xC0,0x00,
0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,
0x00,0x06,0x08,0x08,0x08,0x08,0x08,0x10,0x08,0x08,0x08,0x08,0x08,0x08,0x06,0x00,
0x0C,0x32,0xC2,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
uint8_t Hzk16[]={
0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0xFC,0x1F,0x84,0x10,0x84,0x10,0x84,0x10,
0x84,0x10,0x84,0x10,0xFC,0x1F,0x84,0x10,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,/*“中”,0*/
0xF8,0x0F,0x08,0x08,0xF8,0x0F,0x08,0x08,0xF8,0x0F,0x80,0x00,0xFF,0x7F,0x00,0x00,
0xF8,0x0F,0x08,0x08,0x08,0x08,0xF8,0x0F,0x80,0x00,0x84,0x10,0xA2,0x20,0x40,0x00,/*“景”,1*/
0x00,0x00,0xFE,0x3F,0x02,0x20,0xF2,0x27,0x02,0x20,0x02,0x20,0xFA,0x2F,0x22,0x21,
0x22,0x21,0x22,0x21,0x12,0x29,0x12,0x29,0x0A,0x2E,0x02,0x20,0xFE,0x3F,0x02,0x20,/*“园”,2*/
0x80,0x00,0x80,0x00,0x80,0x00,0xFC,0x1F,0x84,0x10,0x84,0x10,0x84,0x10,0xFC,0x1F,
0x84,0x10,0x84,0x10,0x84,0x10,0xFC,0x1F,0x84,0x50,0x80,0x40,0x80,0x40,0x00,0x7F,/*“电”,3*/
0x00,0x00,0xFE,0x1F,0x00,0x08,0x00,0x04,0x00,0x02,0x80,0x01,0x80,0x00,0xFF,0x7F,
0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0xA0,0x00,0x40,0x00,/*“子”,4*/
0x10,0x08,0xB8,0x08,0x0F,0x09,0x08,0x09,0x08,0x08,0xBF,0x08,0x08,0x09,0x1C,0x09,
0x2C,0x08,0x0A,0x78,0xCA,0x0F,0x09,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,/*“科”,5*/
0x08,0x04,0x08,0x04,0x08,0x04,0xC8,0x7F,0x3F,0x04,0x08,0x04,0x08,0x04,0xA8,0x3F,
0x18,0x21,0x0C,0x11,0x0B,0x12,0x08,0x0A,0x08,0x04,0x08,0x0A,0x8A,0x11,0x64,0x60,/*“技”,6*/
};
#endif
main.c 文件
#include “gd32f4xx.h”
#include “systick.h”
#include 《stdio.h》
#include “gpio.h”
#include “uart.h”
#include “spi.h”
#include “lcd.h”
int main(void)
{
systick_config(); //配置系统时钟
GPIO_Init();
USART_Init();
SPI_Init();
LCD_Init(); //初始化LCD
LCD_Clear(WHITE);
BACK_COLOR=LGRAY;
USART_TransmitString(“这是一个串口测试rn”);
printf(“串口重定向测试rn”);
while(1)
{
gpio_bit_toggle(GPIOC, GPIO_PIN_6); //反转PC6
delay_1ms(100);
LCD_ShowChinese(0,0,0,32,RED); //电
LCD_ShowChinese(32,0,1,32,RED); //压
LCD_ShowChinese(0,48,0,32,MAGENTA); //电
LCD_ShowChinese(31,48,2,32,MAGENTA); //流
LCD_ShowChinese(96,0,0,32,BLUE); //电
LCD_ShowChinese(128,0,3,32,BLUE); //阻
}
}
显示效果
原作者:Stark_GS