Yuji Notsu
This program is for OV7670 and TFT-LCD(REL225L01)
Diff: REL225L01.cpp
- Revision:
- 0:03f32e3679c8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/REL225L01.cpp Thu Feb 16 14:51:28 2012 +0000
@@ -0,0 +1,303 @@
+#include "REL225L01.h"
+//This program is for using 74HC595 and SPI I/F
+//
+
+
+ REL225L01::REL225L01() : CS_OUT(CS), RS_OUT(RS), RD_OUT(RD), WR_OUT(_WR),RST_OUT(RST),RCK_OUT(RCK),spi(MOSI,MISO,SCK)//SCK_OUT(SCK),SDA_OUT(SDA)
+ { CS_OUT = 0x01;RS_OUT = 0x01; RD_OUT = 0x01;
+ WR_OUT = 0x01;RST_OUT = 0x01;RCK_OUT = 0x00;
+ //SCK_OUT= 0x01; SDA_OUT=0x01;
+ //t.attach( this, &SG12864A::display, ReflashRate );
+ }
+
+//Initialization LCD module
+void REL225L01::lcd_init(void){
+ spi.format(8,3);
+ spi.frequency(20000000);
+
+ wait_ms(20);
+ RCK_OUT=0;
+ RD_OUT=1;
+ CS_OUT=1;
+ WR_OUT = 0;
+ //WR_OUT=1;
+ RST_OUT=0;
+ wait_ms(1);
+ RST_OUT=1;
+ wait_ms(25);
+
+ lcd_cmd(0xB0);
+ lcd_data(0xCA);
+ lcd_data(0x90);
+ lcd_data(0x37);
+ lcd_data(0x01);
+ lcd_data(0x48);
+ lcd_data(0x01);
+ lcd_data(0x40);
+ lcd_data(0x04);
+ lcd_data(0x00);
+ lcd_data(0x00);
+
+ lcd_cmd(0x26);
+ lcd_data(0x01);
+
+ lcd_cmd(0xB1);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x08);
+ lcd_data(0x00);
+ lcd_data(0x04);
+ lcd_data(0x10);
+ lcd_data(0x48);
+ lcd_data(0x82);
+ lcd_data(0x20);
+ lcd_data(0x84);
+ lcd_data(0x92);
+ lcd_data(0x2A);
+ lcd_data(0x52);
+ lcd_data(0xAA);
+ lcd_data(0x5A);
+ lcd_data(0x55);
+ lcd_data(0x2A);
+ lcd_data(0x55);
+ lcd_data(0xAE);
+ lcd_data(0xFF);
+ lcd_data(0xFE);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x04);
+
+ lcd_cmd(0xB2);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x04);
+ lcd_data(0x00);
+ lcd_data(0x02);
+ lcd_data(0x08);
+ lcd_data(0x48);
+ lcd_data(0x82);
+ lcd_data(0x20);
+ lcd_data(0x84);
+ lcd_data(0x42);
+ lcd_data(0x48);
+ lcd_data(0x92);
+ lcd_data(0x2A);
+ lcd_data(0x52);
+ lcd_data(0xAA);
+ lcd_data(0x5A);
+ lcd_data(0x55);
+ lcd_data(0x2A);
+ lcd_data(0x55);
+ lcd_data(0xAE);
+ lcd_data(0xFF);
+ lcd_data(0xFE);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x00);
+ lcd_data(0x04);
+
+ lcd_cmd(MODE); // Entry Mode
+ lcd_data(0x29); // 0b00101001 : 0 I/D1 AM 0 BGR 0 0 I/D0
+ // ID[1:0] = 00: H:increment, V:increment
+ // 01: H:increment, V:decrement
+ // 10: H:Decrement, V:increment
+ // 11: H:Decrement, V:decrement
+ // AM = 0 : Horizontal , AM=1: Vertical
+ //BGR : Reverse Red and Blue
+ //color mode
+ lcd_cmd(COLMOD);
+ lcd_data(0x05); //65k color
+ //Inteface mode
+ lcd_cmd(IFMOD);
+ lcd_data(0x00); //Data[2:0] = I/F mode
+ // = 000 : 8bit I/F
+ // = 011 : 16bit I/F
+ // = 100 : 18bit I/F
+
+
+ lcd_cmd(0xBA);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+ lcd_data(0x55);
+
+
+ //
+ lcd_cmd(SLPOUT);
+ lcd_cmd(DISON); //Display On
+}
+
+
+//Command output function
+void REL225L01::lcd_cmd(unsigned int comm){
+ if(comm<=0xffff)
+ {
+
+ //for(int i=0;i<16;i++)
+ //{
+ // SDA_OUT = ((comm >> i) & 0x1);
+ // SCK_OUT = 0;
+ // SCK_OUT = 1;
+ //}
+ //rotate
+
+ unsigned int B=0;
+ /*
+ B=((comm>>15)&0x0001)+((comm>>13)&0x0002)+((comm>>11)&0x0004)
+ +((comm>>9)&0x0008)+((comm>>7)&0x0010)+((comm>>5)&0x0020)
+ +((comm>>3)&0x0040)+((comm>>1)&0x0080)
+ +((comm<<1)&0x0100)+((comm<<3)&0x0200)+((comm<<5)&0x0400)+((comm<<7)&0x0800)
+ +((comm<<9)&0x1000)+((comm<<11)&0x2000)+((comm<<13)&0x4000)+((comm<<15)&0x8000);
+ */
+ B = comm & 0xff;
+ spi.write(B);
+ //74HC595 Output control
+ RCK_OUT = 1;
+ RCK_OUT = 0;
+ //spi.write(comm);
+ RS_OUT = 0;
+ CS_OUT = 0;
+ WR_OUT = 1;
+ //WR_OUT = 0;
+ //wait_us(1);
+ RS_OUT = 1;
+ WR_OUT = 0;
+ //WR_OUT = 1;
+ CS_OUT = 1;
+ // wait_us(1);
+
+ }
+ }
+
+ void REL225L01::lcd_data(unsigned int data){
+ if(data<=0xffff)
+ {
+ //for(int i=0;i<16;i++)
+ //{
+ // SDA_OUT = ((data >> i) & 0x1);
+ // SCK_OUT = 0;
+ // SCK_OUT = 1;
+ //}
+
+ unsigned int B=0;
+ /*
+ B=((data>>15)&0x0001)+((data>>13)&0x0002)+((data>>11)&0x0004)
+ +((data>>9)&0x0008)+((data>>7)&0x0010)+((data>>5)&0x0020)
+ +((data>>3)&0x0040)+((data>>1)&0x0080)
+ +((data<<1)&0x0100)+((data<<3)&0x0200)+((data<<5)&0x0400)+((data<<7)&0x0800)
+ +((data<<9)&0x1000)+((data<<11)&0x2000)+((data<<13)&0x4000)+((data<<15)&0x8000);
+ */
+ B = data & 0xff;
+ spi.write(B);
+ //74HC595 Output control
+ RCK_OUT = 1;
+ RCK_OUT = 0;
+ //spi.write(data);
+ CS_OUT = 0;
+ WR_OUT = 1;
+ //WR_OUT = 0;
+ //wait_us(1);
+ WR_OUT = 0;
+ //WR_OUT = 1;
+ CS_OUT = 1;
+ // wait_us(1);
+ }
+ }
+
+
+void REL225L01::lcd_clear(unsigned short Color){
+ int i, j;
+
+ lcd_cmd(PASET);
+ lcd_data(0);
+ lcd_data(0x0C);
+ lcd_data((unsigned char)((ENDPAGE+0x0C)>>8));
+ lcd_data((unsigned char)(ENDPAGE+0x0C));
+ //lcd_data(ENDPAGE);
+
+ lcd_cmd(CASET);
+ lcd_data(0);
+ lcd_data(0x08);
+ lcd_data((unsigned char)((ENDCOL+0x08)>>8));
+ lcd_data((unsigned char)(ENDCOL+0x08));
+ //lcd_data(ENDCOL);
+
+ lcd_cmd(RAMWR);
+ for(j=0; j<4; j++){
+ for(i=0; i<(ENDCOL+1)*80; i++){
+ lcd_data((unsigned char)(Color>>8));
+ lcd_data((unsigned char)Color);
+ //lcd_data(Color);
+ }
+ }
+}
+
+void REL225L01::lcd_cw_start(void)
+{
+
+ lcd_cmd(RAMWR);
+ CS_OUT = 0;
+ WR_OUT = 1;
+}
+
+void REL225L01::lcd_cw_end(void)
+{
+ CS_OUT = 1;
+ WR_OUT = 0;
+}
+
+