feng wang
test
Dependencies: mbed-STM32F103C8T6 SHT21_ncleee
Diff: st7789v.cpp
- Revision:
- 1:0fe432e5dfc4
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/st7789v.cpp Wed Apr 15 11:36:03 2020 +0000
@@ -0,0 +1,390 @@
+#include "main.h"
+
+void ST7789V_CTRL_Write(unsigned char data)
+{
+ lcdBus.write(data);
+}
+
+void ST7789V_writeCommand(unsigned char command)
+{
+ TFTCS=0;
+ TFTDC = 0;
+ ST7789V_CTRL_Write(command);
+ TFTWR = 0;
+ TFTWR = 1;
+ TFTCS=1;
+}
+
+void ST7789V_writeData(unsigned char data)
+{
+ TFTCS=0;
+ TFTDC = 1;
+ ST7789V_CTRL_Write(data);
+ TFTWR = 0;
+ TFTWR = 1;
+ TFTCS=1;
+}
+
+void ST7789V_writeOneDot(unsigned int color)
+{
+ TFTCS=0;
+ TFTRD=1;
+ TFTDC=1;
+
+ ST7789V_CTRL_Write(color>>8);
+ TFTWR=0;
+ TFTWR=1;
+
+ ST7789V_CTRL_Write(color);
+ TFTWR=0;
+ TFTWR=1;
+
+ TFTCS=1;
+}
+
+void ST7789V_Init(void)
+{
+ TFTDC = 0;
+ TFTRD = 1;
+ TFTWR = 0;
+
+#if 0
+ TFTRST = 0; // reset the chip[]
+ wait_us(100);
+ TFTRST = 1; // take it out of reset
+#endif
+
+ wait_us(100);
+ ST7789V_writeCommand(0x11); /* exit SLEEP mode*/
+ wait_us(300);
+ ST7789V_writeCommand(0x36);
+ ST7789V_writeData(0x00); /* MADCTL: memory data access control*/
+ ST7789V_writeCommand(0x3A);
+ ST7789V_writeData(0x05); /* COLMOD: Interface Pixel format*/
+ ST7789V_writeCommand(0xB2);
+ ST7789V_writeData(0x0C);
+ ST7789V_writeData(0x0C);
+ ST7789V_writeData(0x00);
+ ST7789V_writeData(0x33);
+ ST7789V_writeData(0x33); /*PORCTRK: Porch setting*/
+ ST7789V_writeCommand(0xB7);
+ ST7789V_writeData(0x75); /*GCTRL: Gate Control*/
+ ST7789V_writeCommand(0xBB);
+ ST7789V_writeData(0x3d); /*VCOMS: VCOM setting*/
+ //ST7789V_writeCommand(0xC0);
+ //ST7789V_writeData(0x2C); /*LCMCTRL: LCM Control*/
+ ST7789V_writeCommand(0xC2);
+ ST7789V_writeData(0x01);
+ //ST7789V_writeData(0xFF); /*VDVVRHEN: VDV and VRH Command Enable*/
+ ST7789V_writeCommand(0xC3);
+ ST7789V_writeData(0x19); /*VRHS: VRH Set*/
+ ST7789V_writeCommand(0xC4);
+ ST7789V_writeData(0x20); /*VDVS: VDV Set*/
+ ST7789V_writeCommand(0xC6);
+ ST7789V_writeData(0x0F); /*FRCTRL2: Frame Rate control in normal mode*/
+ ST7789V_writeCommand(0xD0);
+ ST7789V_writeData(0xA4);
+ ST7789V_writeData(0xA1); /*PWCTRL1: Power Control 1*/
+ ST7789V_writeCommand(0xD6);
+ ST7789V_writeData(0xA1);
+ ST7789V_writeCommand(0xE0);
+ ST7789V_writeData(0x70);
+ ST7789V_writeData(0x04);
+ ST7789V_writeData(0x08);
+ ST7789V_writeData(0x09);
+ ST7789V_writeData(0x09);
+ ST7789V_writeData(0x05);
+ ST7789V_writeData(0x2A);
+ ST7789V_writeData(0x33);
+ ST7789V_writeData(0x41);
+ ST7789V_writeData(0x07);
+ ST7789V_writeData(0x13);
+ ST7789V_writeData(0x13);
+ ST7789V_writeData(0x29);
+ ST7789V_writeData(0x0F); /*PVGAMCTRL: Positive Voltage Gamma control*/
+ ST7789V_writeCommand(0xE1);
+ ST7789V_writeData(0x70);
+ ST7789V_writeData(0x03);
+ ST7789V_writeData(0x09);
+ ST7789V_writeData(0x0A);
+ ST7789V_writeData(0x09);
+ ST7789V_writeData(0x06);
+ ST7789V_writeData(0x2B);
+ ST7789V_writeData(0x34);
+ ST7789V_writeData(0x41);
+ ST7789V_writeData(0x07);
+ ST7789V_writeData(0x12);
+ ST7789V_writeData(0x14);
+ ST7789V_writeData(0x28);
+ ST7789V_writeData(0x2E); /*NVGAMCTRL: Negative Voltage Gamma control*/
+ ST7789V_writeCommand(0x21);
+ ST7789V_writeCommand(0x29);
+ ST7789V_writeCommand(0x2A);
+ ST7789V_writeData(0x00);
+ ST7789V_writeData(0x00);
+ ST7789V_writeData(0x00);
+ ST7789V_writeData(0xEF); /*X address set*/
+ ST7789V_writeCommand(0x2B);
+ ST7789V_writeData(0x00);
+ ST7789V_writeData(0x00);
+ ST7789V_writeData(0x00);
+ ST7789V_writeData(0xEF); /*Y address set*/
+ ST7789V_writeCommand(0x2C);
+ //wait_us(10);
+ //ST7789V_writeCommand(0x29); /*Enable Display*/
+}
+
+void BlockWrite(unsigned int Xstart,unsigned int Xend,unsigned int Ystart,unsigned int Yend)
+{
+ ST7789V_writeCommand(0x2a);
+ ST7789V_writeData((Xstart)>>8);
+ ST7789V_writeData((Xstart)&0xff);
+
+ ST7789V_writeData((Xend)>>8);
+ ST7789V_writeData((Xend)&0xff);
+
+ ST7789V_writeCommand(0x2b);
+ ST7789V_writeData((Ystart+40)>>8);
+
+ ST7789V_writeData((Ystart+40)&0xff);
+ ST7789V_writeData((Yend+40)>>8);
+
+ ST7789V_writeData((Yend+40)&0xff);
+ ST7789V_writeCommand(0x2c);
+}
+
+unsigned char ToOrd(unsigned char ch)
+{
+ if(ch<32)
+ {
+ ch=95;
+ }
+ else if((ch>=32)&&(ch<=47)) //(32~47)空格~/
+ {
+ ch=(ch-32)+10+62;
+ }
+ else if((ch>=48)&&(ch<=57))//(48~57)0~9
+ {
+ ch=ch-48;
+ }
+ else if((ch>=58)&&(ch<=64))//(58~64):~@
+ {
+ ch=(ch-58)+10+62+16;
+ }
+ else if((ch>=65)&&(ch<=126))//(65~126)A~~
+ {
+ ch=(ch-65)+10;
+ }
+ else if(ch>126)
+ {
+ ch=95;
+ }
+
+ return ch;
+}
+
+void WriteOneDot(unsigned int color)
+{
+ ST7789V_writeOneDot(color);
+}
+
+void DispOneChar(unsigned char ord,unsigned int Xstart,unsigned int Ystart,unsigned int TextColor,unsigned int BackColor) // ord:0~95
+{
+ unsigned char i,j;
+ unsigned char *p;
+ unsigned char dat;
+ unsigned int index;
+
+ BlockWrite(Xstart,Xstart+(FONT_W-1),Ystart,Ystart+(FONT_H-1));
+
+ index = ord;
+
+ if(index>95) //95:ASCII CHAR NUM
+ index=95;
+
+ index = index*((FONT_W/8)*FONT_H);
+
+ p = ascii;
+ p = p+index;
+
+ for(i=0;i<(FONT_W/8*FONT_H);i++)
+ {
+ dat=*p++;
+ for(j=0;j<8;j++)
+ {
+ if((dat<<j)&0x80)
+ {
+ WriteOneDot(TextColor);
+ }
+ else
+ {
+ WriteOneDot(BackColor);
+ }
+ }
+ }
+}
+
+void DispStr(unsigned char *str,unsigned int Xstart,unsigned int Ystart,unsigned int TextColor,unsigned int BackColor)
+{
+
+ while(!(*str=='\0'))
+ {
+ DispOneChar(ToOrd(*str++),Xstart,Ystart,TextColor,BackColor);
+
+ if(Xstart>((COL-1)-FONT_W))
+ {
+ Xstart=0;
+ Ystart=Ystart+FONT_H;
+ }
+ else
+ {
+ Xstart=Xstart+FONT_W;
+ }
+
+ if(Ystart>((ROW-1)-FONT_H))
+ {
+ Ystart=0;
+ }
+ }
+ BlockWrite(0,COL-1,0,ROW-1);
+}
+
+void DispInt(unsigned int i,unsigned int Xstart,unsigned int Ystart,unsigned int TextColor,unsigned int BackColor)
+{
+ if(Xstart>((COL-1)-FONT_W*4))
+ {
+ Xstart=(COL-1)-FONT_W*4;
+ }
+ if(Ystart>((ROW-1)-FONT_H))
+ {
+ Ystart=(Ystart-1)-FONT_H;
+ }
+
+ DispOneChar((i>>12)%16,Xstart,Ystart,TextColor,BackColor); //ID value
+ DispOneChar((i>>8)%16,Xstart+FONT_W,Ystart,TextColor,BackColor);
+ DispOneChar((i>>4)%16,Xstart+FONT_W*2,Ystart,TextColor,BackColor);
+ DispOneChar(i%16,Xstart+FONT_W*3,Ystart,TextColor,BackColor);
+
+ BlockWrite(0,COL-1,0,ROW-1);
+}
+
+void DispColor(unsigned int color)
+{
+ unsigned int i,j;
+
+ BlockWrite(0,COL-1,0,ROW-1);
+
+ TFTCS=0;
+ TFTDC=1;
+ TFTRD=1;
+
+ for(i=0;i<ROW;i++)
+ {
+ for(j=0;j<COL;j++)
+ {
+ WriteOneDot(color);
+ }
+ }
+
+ TFTCS=1;
+}
+
+void DispBand(void)
+{
+ unsigned int i,j,k;
+ //unsigned int color[8]={0x001f,0x07e0,0xf800,0x07ff,0xf81f,0xffe0,0x0000,0xffff};
+ unsigned int color[8]={0xf800,0xf800,0x07e0,0x07e0,0x001f,0x001f,0xffff,0xffff};//0x94B2
+ //unsigned int gray16[]={0x0000,0x1082,0x2104,0x3186,0x42,0x08,0x528a,0x630c,0x738e,0x7bcf,0x9492,0xa514,0xb596,0xc618,0xd69a,0xe71c,0xffff};
+
+ BlockWrite(0,COL-1,0,ROW-1);
+
+ TFTCS=0;
+ TFTRD=1;
+ TFTDC=1;
+
+ for(i=0;i<8;i++)
+ {
+ for(j=0;j<ROW/8;j++)
+ {
+ for(k=0;k<COL;k++)
+ {
+ WriteOneDot(color[i]);
+ }
+ }
+ }
+ for(j=0;j<ROW%8;j++)
+ {
+ for(k=0;k<COL;k++)
+ {
+ WriteOneDot(color[7]);
+ }
+ }
+
+ TFTCS=1;
+}
+
+void DispPic(unsigned int *picture)
+{
+ unsigned int *p;
+ unsigned int i,j; //i-row,j-col
+ unsigned char n,k; //n-row repeat count,k-col repeat count
+
+ BlockWrite(0,COL-1,0,ROW-1);
+
+ TFTCS =0;
+ TFTDC =1;
+ TFTRD =1;
+
+ for(n=0;n<ROW/PIC_HEIGHT;n++) //n-row repeat count
+ {
+ for(i=0;i<PIC_HEIGHT;i++)
+ {
+ p=picture;
+ for(k=0;k<COL/PIC_WIDTH;k++) //k-col repeat count
+ {
+ for(j=0;j<PIC_WIDTH;j++)
+ {
+ WriteOneDot(*(p+i*PIC_HEIGHT+j));
+ }
+ }
+
+ p=picture;
+ for(j=0;j<COL%PIC_WIDTH;j++)
+ {
+ WriteOneDot(*(p+i*PIC_HEIGHT+j));
+ }
+ }
+ }
+
+ for(i=0;i<ROW%PIC_HEIGHT;i++)
+ {
+ p=picture;
+ for(k=0;k<COL/PIC_WIDTH;k++) //k-col repeat count
+ {
+ for(j=0;j<PIC_WIDTH;j++)
+ {
+ WriteOneDot(*(p+i*PIC_HEIGHT+j));
+ }
+ }
+
+ p=picture;
+ for(j=0;j<COL%PIC_WIDTH;j++)
+ {
+ WriteOneDot(*(p+i*PIC_HEIGHT+j));
+ }
+ }
+ TFTCS=1;
+}
+
+void LCD_block_test(){
+ BlockWrite(0,COL-1,0,ROW-1);
+ DispColor(GREEN);
+ wait(2);
+ DispColor(BLUE);
+ wait(2);
+ DispColor(RED);
+ wait(2);
+}
+
+
+