Diff: main.cpp

Revision:

0:80e5869332ba

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Nov 19 13:08:24 2014 +0000
@@ -0,0 +1,255 @@
+#include "mbed.h"
+#include "SDHCFileSystem.h"
+
+Serial pc(USBTX, USBRX);
+SDFileSystem sd(p5, p6, p7, p8, "sd");
+
+DigitalOut CS0(p21);
+DigitalOut CD(p22);
+DigitalOut RD(p23);
+DigitalOut WR(p24);
+DigitalOut RSTB(p25);
+
+BusOut Bout(p17, p16, p15, p14, p13, p12, p11, p10);
+
+Timer t;
+
+void LCD_Write_CMD(unsigned char cmd)
+{
+    CS0=0;
+    RD=1;
+    CD=0;
+    Bout=cmd;
+    WR=0;
+    WR=1;
+    CS0=1;
+}
+
+void LCD_Write_Data(unsigned char d)
+{
+    CS0=0;
+    RD=1;
+    CD=1;
+    Bout=d;
+    WR=0;
+    WR=1;
+    CS0=1;
+}
+
+void LCD_Reset(void)
+{
+    RSTB=1;
+    wait_ms(1);
+    RSTB=0;
+    wait_ms(1);
+    RSTB=1;
+    wait_ms(120);
+    LCD_Write_CMD(0x11); // Sleep Out and Booster On
+    wait_ms(120);
+}
+
+void LCD_Init(void)
+{
+    LCD_Reset();
+
+    LCD_Write_CMD(0xB1); //In Normal Mode(Full Colors) Frame rate 80Hz
+    LCD_Write_Data(0x02);
+    LCD_Write_Data(0x35);
+    LCD_Write_Data(0x36);
+
+    LCD_Write_CMD(0xB2); //In Idle Mode(8-colors)
+    LCD_Write_Data(0x02);
+    LCD_Write_Data(0x35);
+    LCD_Write_Data(0x36);
+
+    LCD_Write_CMD(0xB3); //In Partial Mode + Full Colors
+    LCD_Write_Data(0x02);
+    LCD_Write_Data(0x35);
+    LCD_Write_Data(0x36);
+    LCD_Write_Data(0x02);
+    LCD_Write_Data(0x35);
+    LCD_Write_Data(0x36);
+
+    LCD_Write_CMD(0xB4); //Dot Inversion Control
+    LCD_Write_Data(0x03); // Inversion setting in Idle mode and full Colors partial mode
+
+    LCD_Write_CMD(0xC0); // Power Control Setting (GVDD Voltage)
+    LCD_Write_Data(0xA2); // AVDD=5, GVDD=4.6
+    LCD_Write_Data(0x02); // VGCL=-4.6
+    LCD_Write_Data(0x84); // MODE=AUTO
+
+    LCD_Write_CMD(0xC1); // Power Control Setting (VGH/VGL Voltage)
+    LCD_Write_Data(0xC5); // VGH and VGL supply power level = 2.4, VGL=-10, VGH=3*AVDD-0.5
+
+    LCD_Write_CMD(0xC2); // In Normal Mode(Full Colors) APA/DCA
+    LCD_Write_Data(0x0D); // SAP=Small, AP=Large
+    LCD_Write_Data(0x00); // Clock frequency for Booster circuit/1,/3,/1,/1,/1
+
+    LCD_Write_CMD(0xC3); // In Idle Mode(8-colors) APA/DCA
+    LCD_Write_Data(0x8D);
+    LCD_Write_Data(0xEA);
+
+    LCD_Write_CMD(0xC4); // In Partial Mode(Full Colors) APA/DCA
+    LCD_Write_Data(0x8D);
+    LCD_Write_Data(0xEE);
+
+    LCD_Write_CMD(0xC5); // VCOM
+    LCD_Write_Data(0x05); // -0.55
+
+    LCD_Write_CMD(0x36); // Memory Data Access Control
+    LCD_Write_Data(0x48); // MX, RGB mode (Row Address Order, RGB color filter panel)
+
+    LCD_Write_CMD(0xE0); // Gamma Adjustment (+Polarity)
+    LCD_Write_Data(0x03);
+    LCD_Write_Data(0x1B);
+    LCD_Write_Data(0x09);
+    LCD_Write_Data(0x0E);
+    LCD_Write_Data(0x32);
+    LCD_Write_Data(0x2D);
+    LCD_Write_Data(0x28);
+    LCD_Write_Data(0x2C);
+    LCD_Write_Data(0x2B);
+    LCD_Write_Data(0x29);
+    LCD_Write_Data(0x30);
+    LCD_Write_Data(0x3B);
+    LCD_Write_Data(0x00);
+    LCD_Write_Data(0x01);
+    LCD_Write_Data(0x02);
+    LCD_Write_Data(0x10);
+
+    LCD_Write_CMD(0xE1); // Gamma Adjustment (-Polarity)
+    LCD_Write_Data(0x03);
+    LCD_Write_Data(0x1B);
+    LCD_Write_Data(0x09);
+    LCD_Write_Data(0x0E);
+    LCD_Write_Data(0x32);
+    LCD_Write_Data(0x2E);
+    LCD_Write_Data(0x28);
+    LCD_Write_Data(0x2C);
+    LCD_Write_Data(0x2B);
+    LCD_Write_Data(0x28);
+    LCD_Write_Data(0x31);
+    LCD_Write_Data(0x3C);
+    LCD_Write_Data(0x00);
+    LCD_Write_Data(0x00);
+    LCD_Write_Data(0x02);
+    LCD_Write_Data(0x10);
+
+    LCD_Write_CMD(0x3A); // Interface Pixel Format
+    LCD_Write_Data(0x05); // 16-bit/pixel
+
+    LCD_Write_CMD(0x2A); // Column Address Set
+    LCD_Write_Data(0x00);
+    LCD_Write_Data(0x02);
+    LCD_Write_Data(0x00);
+    LCD_Write_Data(0x81);
+
+    LCD_Write_CMD(0x2B); // Row Address Set
+    LCD_Write_Data(0x00);
+    LCD_Write_Data(0x01);
+    LCD_Write_Data(0x00);
+    LCD_Write_Data(0x80);
+
+    wait_ms(100);
+    LCD_Write_CMD(0x2C); // Memory Write
+
+}
+
+void LCD_Enter_Sleep(void)
+{
+    LCD_Write_CMD(0x10); //Sleep in
+    wait_ms(120);
+}
+void LCD_Exit_Sleep(void)
+{
+    LCD_Write_CMD(0x11); //Sleep out
+    wait_ms(120);
+}
+
+void LCD_Fill_Black(void)
+{
+    t.start();
+    LCD_Write_CMD(0x2C); // Memory Write
+    for (int i=0; i<128; i++) {
+        for (int j=0; j<128*2; j++) {
+            LCD_Write_Data(0x00);
+        }
+    }
+    LCD_Write_CMD(0x29); // Display On
+    t.stop();
+    pc.printf("Fill Black %dms\r\n",t.read_ms());
+    t.reset();
+}
+
+void LCD_Fill_White(void)
+{
+    t.start();
+    LCD_Write_CMD(0x2C); // Memory Write
+    for (int i=0; i<128; i++) {
+        for (int j=0; j<128*2; j++) {
+            LCD_Write_Data(0xFF);
+        }
+    }
+    LCD_Write_CMD(0x29); // Display On
+    t.stop();
+    pc.printf("Fill White %dms\r\n",t.read_ms());
+    t.reset();
+}
+
+void LCD_Print_Bitmap(char path[32])
+{
+    t.start();
+    FILE *fp;
+    int i,j;
+    unsigned char offset;
+    unsigned short pixel[128];
+    
+    if ((fp=fopen(path, "rb")) == NULL) {
+        LCD_Fill_Black();
+        exit(1);
+    }
+    
+    //LCD_Write_CMD(0x28); // Display Off
+    
+    fseek(fp, 0x0a, SEEK_SET);
+    fread(&offset, 1, 1, fp);
+    fseek(fp, offset, SEEK_SET);
+    
+    LCD_Write_CMD(0x2C); // Memory Write
+    
+    for (i=0; i<128; i++) {
+        fread(&pixel, 2, 128, fp);
+        for(j=0;j<128;j++){
+            LCD_Write_Data((unsigned char)((pixel[j] & 0xFFFF) >> 8));
+            LCD_Write_Data((unsigned char)pixel[j]);
+        }
+    }
+    
+    LCD_Write_CMD(0x29); // Display On
+    
+    fclose(fp);
+    t.stop();
+    pc.printf("Print Bitmap %dms\r\n",t.read_ms());
+    t.reset();
+}
+
+int main()
+{
+    LCD_Init();
+    pc.baud(115200);
+
+    if (sd.disk_initialize()){
+         pc.printf("error\r\n");
+         LCD_Fill_Black();
+         exit(1);
+    }
+
+    while(1) {
+        LCD_Print_Bitmap("/sd/sample.bmp");
+        wait(5);
+        LCD_Print_Bitmap("/sd/sample2.bmp");
+        wait(5);
+        LCD_Print_Bitmap("/sd/sample3.bmp");
+        wait(5);
+    }
+}
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