Revision 0:4585326daab4, committed 2015-12-07

Comitter:

57340500039

Date:

Mon Dec 07 16:05:23 2015 +0000

Child:

1:a4c852d25ead

Commit message:

digital_project

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LCD4884.cpp	Mon Dec 07 16:05:23 2015 +0000
@@ -0,0 +1,166 @@
+/*
+Modified by COX
+version 0.1
+ 
+Editor     : COX
+Date       : 06.03.2013
+ 
+*
+* Update DFRobot source to work on FRDM KL25Z
+*
+*/
+ 
+#include "LCD4884.h"
+#include "font_6x8.h"
+#include "font_big.h"
+#include "mbed.h" 
+#include <SPI.h>
+
+DigitalOut SpiClk(D2);    //2- Serial Clock(Master Output)
+DigitalOut SpiMosi(D3);  //3- Master Output,Slave Input
+DigitalOut LcdDC(D4);      //4- Data/Command(command active low)
+DigitalOut SpiCS(D5);      //5- Chip Select,Slave Transmit Enable(active low,Master Output)
+DigitalOut LcdRst(D6);    //6- One Reset button
+PwmOut     LcdBl(D7);      //7- LCD backlight
+ 
+LCD4884::LCD4884()  
+{};
+
+/********************************************************************/
+void LCD4884::backlight(float dat)
+{
+    LcdBl = dat;
+}
+/********************************************************************/
+void LCD4884::LCD_write_byte(unsigned char dat, unsigned char dat_type)
+{
+    unsigned int i;
+    SpiCS = 0; //Chip Enable:Active LOW
+    unsigned char compare[8] = {0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
+    
+    if (dat_type == 0)
+        LcdDC = 0; // D/C=0:the current data byte is interpreted as command byte
+    else
+        LcdDC = 1; // D/C=1:write data to display RAM
+    
+    
+    for(i=0;i<8;i++)  {
+        if(dat&compare[7-i]) 
+        {
+            SpiMosi = 1;
+        }
+        else
+        {
+            SpiMosi = 0;
+        }
+        SpiClk = 0;
+        
+        SpiClk = 1;
+    }
+    SpiCS = 1;
+    //printf("a\n");
+}
+/********************************************************************/
+void LCD4884::LCD_write_char(unsigned char c, char mode)
+{
+    unsigned char line;
+    unsigned char *pFont;
+    unsigned char ch; 
+    
+    pFont = (unsigned char *)font6_8; //pointer *pFont points at font6_8[][6]
+    c -= 32; // the ASCII of "SP" is 32
+ 
+    for (line=0; line<6; line++)
+    {
+        ch = *(pFont+c*6+line); //read c from the font6_8[][6] (the detail information is in the "font6x8.h")
+        LCD_write_byte((mode==MENU_NORMAL)? ch:(ch^ 0xff), 1); //MENU_NORMAL=0,True:return ch;False:return ch
+    }
+}
+/********************************************************************/
+void LCD4884::LCD_set_XY(unsigned char X, unsigned char Y)
+{
+    LCD_write_byte(0x40 | Y, 0);        // column
+    LCD_write_byte(0x80 | X, 0);        // row
+}
+/********************************************************************/
+void LCD4884::LCD_clear(void)
+{
+    unsigned int i;
+ 
+    LCD_write_byte(0x0c, 0);
+    LCD_write_byte(0x80, 0);
+ 
+    for (i=0; i<504; i++)  //6*84
+    {
+        LCD_write_byte(0, 1);
+    }
+}
+/********************************************************************/
+void LCD4884::LCD_init(void)
+{
+    /* pin intializer */
+    SpiClk = LOW;
+    SpiMosi = LOW;
+    SpiCS = LOW;
+    LcdDC = LOW;
+    LcdBl = LOW;
+ 
+    LcdRst = LOW;
+    wait(ONE_US);
+    LcdRst = HIGH;
+    
+    SpiCS = LOW;  //Chip Select, Slave Transmit Enable(active low, Master Output)
+    wait(ONE_US);
+    SpiCS = HIGH;
+    wait(ONE_US);
+    LcdBl = LCD_INITIAL_BRIGHTNESS;
+    
+    //data_type=0, all are command bytes
+    LCD_write_byte(0x21, 0); //Function Set:0 0 1 0 0 PD V H=0010 0001;PD=0,V=0,H=1;
+    LCD_write_byte(0xc0, 0); //Set Vop:1 Vop6 Vop5 Vop4 Vop3 Vop2 Vop1 Vop0=1100 0000
+    LCD_write_byte(0x06, 0); //Set Temperature Coefficient:0 0 0 0 0 1 Tc1 Tc0=0000 0110;Tc1=1,Tc0=0(Vlcd temperature coefficient 2)
+    LCD_write_byte(0x13, 0); //Set Bias System (BSx):0 0 0 1 0 BS2 BS1 BS0=0001 0011;BS2=0, BS1=1, BS0=1==>N=4,MUX RATE=1:48
+ 
+    LCD_write_byte(0x20, 0);//Function Set:0 0 1 0 0 PD V H=0010 0000;PD=0,V=0,H=0;
+    LCD_clear();
+    LCD_write_byte(0x0c, 0);//Display Control: 0 0 0 0 1 D 0 E=0000 1100 ;D=1,E=0:normal mode
+ 
+    SpiCS = LOW;
+}
+/********************************************************************/
+void LCD4884::LCD_write_string(unsigned char X,unsigned char Y,char *s, char mode)
+{
+    LCD_set_XY(X,Y);
+    while (*s)
+    {
+        LCD_write_char(*s, mode);
+        s++;
+    }
+}
+/********************************************************************/
+void LCD4884::LCD_pixel(unsigned char X, unsigned char Y, char mode)
+{
+    unsigned char line=0; 
+    unsigned char offset=0;
+    unsigned char Pix=0;
+    if(X>83) X = X%83;
+    if(Y>47) Y = Y%47;
+    line = Y/8;     
+    offset = Y%8;
+    
+    switch(offset){
+        case 0: Pix = 0x01; break;
+        case 1: Pix = 0x02; break;
+        case 2: Pix = 0x04; break;
+        case 3: Pix = 0x08; break;
+        case 4: Pix = 0x10; break;
+        case 5: Pix = 0x20; break;
+        case 6: Pix = 0x40; break;
+        case 7: Pix = 0x80; break;
+        }
+    
+    LCD_set_XY(X,line);    
+    LCD_write_byte(Pix,1);
+    printf("%d %d %d\n",X,line,Pix);
+    wait_ms(10);
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LCD4884.h	Mon Dec 07 16:05:23 2015 +0000
@@ -0,0 +1,56 @@
+/*
+Modified by COX
+version 0.1
+ 
+Editor     : COX
+Date       : 06.03.2013
+ 
+*
+* Update DFRobot source to work on FRDM KL25Z
+*
+*/
+ 
+#ifndef LCD4884_h
+#define LCD4884_h
+ 
+#include "mbed.h"
+ 
+// SPI Interface --- (on arduino Arduino Digital Pin 2,3,4,5,6)
+#define SPI_SCK  D2   //Serial Clock(Master Output)
+#define SPI_MOSI D3  //Master Output,Slave Input
+#define LCD_DC   D4   //Data/Command(command active low)
+#define SPI_CS   D5   //Chip Select,Slave Transmit Enable(active low,Master Output)
+#define LCD_RST  D6   //One Reset button
+#define LCD_BL   D7   //PWM Backlit control (Arduino DIO Pin 7)
+ 
+ 
+//display mode -- normal / highlight
+#define MENU_NORMAL 0
+#define MENU_HIGHLIGHT 1
+#define OFF 0
+#define ON 1
+#define LOW 0
+#define HIGH 1
+#define ONE_US 0.000001
+#define LCD_INITIAL_BRIGHTNESS 1
+ 
+namespace mbed {
+ 
+class LCD4884
+    {
+    public:
+    LCD4884();
+    void LCD_init(void);
+    void LCD_write_byte(unsigned char dat, unsigned char dat_type);
+    void LCD_write_char(unsigned char c, char mode);
+    void backlight(float dat);
+    void LCD_set_XY(unsigned char X, unsigned char Y);
+    void LCD_write_string(unsigned char X,unsigned char Y,char *s, char mode); // *s can be input as "<your string>"
+    void LCD_clear(void); // blank the screen
+    void LCD_pixel(unsigned char X, unsigned char Y, char mode); //X,Y = x,y coodinate, mode : MENU_NORMAL = off/ others = on
+    };
+}
+extern LCD4884 lcd;
+              
+#endif
+ 
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/font_6x8.h	Mon Dec 07 16:05:23 2015 +0000
@@ -0,0 +1,99 @@
+// 6 x 8 font
+// 1 pixel space at left and bottom
+// index = ASCII - 32
+ 
+unsigned char font6_8[][6]=
+{
+    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },   // sp
+    { 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00 },   // !
+    { 0x00, 0x00, 0x07, 0x00, 0x07, 0x00 },   // "
+    { 0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14 },   // #
+    { 0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12 },   // $
+    { 0x00, 0x62, 0x64, 0x08, 0x13, 0x23 },   // %
+    { 0x00, 0x36, 0x49, 0x55, 0x22, 0x50 },   // &
+    { 0x00, 0x00, 0x05, 0x03, 0x00, 0x00 },   // '
+    { 0x00, 0x00, 0x1c, 0x22, 0x41, 0x00 },   // (
+    { 0x00, 0x00, 0x41, 0x22, 0x1c, 0x00 },   // )
+    { 0x00, 0x14, 0x08, 0x3E, 0x08, 0x14 },   // *
+    { 0x00, 0x08, 0x08, 0x3E, 0x08, 0x08 },   // +
+    { 0x00, 0x00, 0x00, 0xA0, 0x60, 0x00 },   // ,
+    { 0x00, 0x08, 0x08, 0x08, 0x08, 0x08 },   // -
+    { 0x00, 0x00, 0x60, 0x60, 0x00, 0x00 },   // .
+    { 0x00, 0x20, 0x10, 0x08, 0x04, 0x02 },   // /
+    { 0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E },   // 0
+    { 0x00, 0x00, 0x42, 0x7F, 0x40, 0x00 },   // 1
+    { 0x00, 0x42, 0x61, 0x51, 0x49, 0x46 },   // 2
+    { 0x00, 0x21, 0x41, 0x45, 0x4B, 0x31 },   // 3
+    { 0x00, 0x18, 0x14, 0x12, 0x7F, 0x10 },   // 4
+    { 0x00, 0x27, 0x45, 0x45, 0x45, 0x39 },   // 5
+    { 0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30 },   // 6
+    { 0x00, 0x01, 0x71, 0x09, 0x05, 0x03 },   // 7
+    { 0x00, 0x36, 0x49, 0x49, 0x49, 0x36 },   // 8
+    { 0x00, 0x06, 0x49, 0x49, 0x29, 0x1E },   // 9
+    { 0x00, 0x00, 0x36, 0x36, 0x00, 0x00 },   // :
+    { 0x00, 0x00, 0x56, 0x36, 0x00, 0x00 },   // ;
+    { 0x00, 0x08, 0x14, 0x22, 0x41, 0x00 },   // <
+    { 0x00, 0x14, 0x14, 0x14, 0x14, 0x14 },   // =
+    { 0x00, 0x00, 0x41, 0x22, 0x14, 0x08 },   // >
+    { 0x00, 0x02, 0x01, 0x51, 0x09, 0x06 },   // ?
+    { 0x00, 0x32, 0x49, 0x59, 0x51, 0x3E },   // @
+    { 0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C },   // A
+    { 0x00, 0x7F, 0x49, 0x49, 0x49, 0x36 },   // B
+    { 0x00, 0x3E, 0x41, 0x41, 0x41, 0x22 },   // C
+    { 0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C },   // D
+    { 0x00, 0x7F, 0x49, 0x49, 0x49, 0x41 },   // E
+    { 0x00, 0x7F, 0x09, 0x09, 0x09, 0x01 },   // F
+    { 0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A },   // G
+    { 0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F },   // H
+    { 0x00, 0x00, 0x41, 0x7F, 0x41, 0x00 },   // I
+    { 0x00, 0x20, 0x40, 0x41, 0x3F, 0x01 },   // J
+    { 0x00, 0x7F, 0x08, 0x14, 0x22, 0x41 },   // K
+    { 0x00, 0x7F, 0x40, 0x40, 0x40, 0x40 },   // L
+    { 0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F },   // M
+    { 0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F },   // N
+    { 0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E },   // O
+    { 0x00, 0x7F, 0x09, 0x09, 0x09, 0x06 },   // P
+    { 0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E },   // Q
+    { 0x00, 0x7F, 0x09, 0x19, 0x29, 0x46 },   // R
+    { 0x00, 0x46, 0x49, 0x49, 0x49, 0x31 },   // S
+    { 0x00, 0x01, 0x01, 0x7F, 0x01, 0x01 },   // T
+    { 0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F },   // U
+    { 0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F },   // V
+    { 0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F },   // W
+    { 0x00, 0x63, 0x14, 0x08, 0x14, 0x63 },   // X
+    { 0x00, 0x07, 0x08, 0x70, 0x08, 0x07 },   // Y
+    { 0x00, 0x61, 0x51, 0x49, 0x45, 0x43 },   // Z
+    { 0x00, 0x00, 0x7F, 0x41, 0x41, 0x00 },   // [
+    { 0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55 },   // 55
+    { 0x00, 0x00, 0x41, 0x41, 0x7F, 0x00 },   // ]
+    { 0x00, 0x04, 0x02, 0x01, 0x02, 0x04 },   // ^
+    { 0x00, 0x40, 0x40, 0x40, 0x40, 0x40 },   // _
+    { 0x00, 0x00, 0x01, 0x02, 0x04, 0x00 },   // '
+    { 0x00, 0x20, 0x54, 0x54, 0x54, 0x78 },   // a
+    { 0x00, 0x7F, 0x48, 0x44, 0x44, 0x38 },   // b
+    { 0x00, 0x38, 0x44, 0x44, 0x44, 0x20 },   // c
+    { 0x00, 0x38, 0x44, 0x44, 0x48, 0x7F },   // d
+    { 0x00, 0x38, 0x54, 0x54, 0x54, 0x18 },   // e
+    { 0x00, 0x08, 0x7E, 0x09, 0x01, 0x02 },   // f
+    { 0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C },   // g
+    { 0x00, 0x7F, 0x08, 0x04, 0x04, 0x78 },   // h
+    { 0x00, 0x00, 0x44, 0x7D, 0x40, 0x00 },   // i
+    { 0x00, 0x40, 0x80, 0x84, 0x7D, 0x00 },   // j
+    { 0x00, 0x7F, 0x10, 0x28, 0x44, 0x00 },   // k
+    { 0x00, 0x00, 0x41, 0x7F, 0x40, 0x00 },   // l
+    { 0x00, 0x7C, 0x04, 0x18, 0x04, 0x78 },   // m
+    { 0x00, 0x7C, 0x08, 0x04, 0x04, 0x78 },   // n
+    { 0x00, 0x38, 0x44, 0x44, 0x44, 0x38 },   // o
+    { 0x00, 0xFC, 0x24, 0x24, 0x24, 0x18 },   // p
+    { 0x00, 0x18, 0x24, 0x24, 0x18, 0xFC },   // q
+    { 0x00, 0x7C, 0x08, 0x04, 0x04, 0x08 },   // r
+    { 0x00, 0x48, 0x54, 0x54, 0x54, 0x20 },   // s
+    { 0x00, 0x04, 0x3F, 0x44, 0x40, 0x20 },   // t
+    { 0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C },   // u
+    { 0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C },   // v
+    { 0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C },   // w
+    { 0x00, 0x44, 0x28, 0x10, 0x28, 0x44 },   // x
+    { 0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C },   // y
+    { 0x00, 0x44, 0x64, 0x54, 0x4C, 0x44 },   // z
+    { 0x00,0x00, 0x06, 0x09, 0x09, 0x06 }    // horiz lines
+};
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/font_big.h	Mon Dec 07 16:05:23 2015 +0000
@@ -0,0 +1,138 @@
+// big font
+ 
+ 
+//******* VERY LARGE FONTS ********** 
+//used here for displaying temperature
+unsigned char   big_number[13][3][16] = {
+ 
+0,128,192,224,224,96,224,224,  //'0'
+192,128,0,0,0,0,0,0
+,
+112,255,255,1,0,0,0,0,
+255,255,254,0,0,0,0,0
+,
+0,15,31,60,56,48,56,56,
+31,15,3,0,0,0,0,0
+,
+ 
+0,0,0,0,128,224,224,0,            //'1'
+0,0,0,0,0,0,0,0
+,
+0,0,3,3,3,255,255,0,
+0,0,0,0,0,0,0,0
+,
+0,0,56,56,56,63,63,56,
+56,56,0,0,0,0,0,0
+,
+ 
+0,192,192,224,96,96,224,224,   //'2'
+192,128,0,0,0,0,0,0
+,
+0,1,0,0,128,192,224,249,
+63,31,0,0,0,0,0,0
+,
+0,60,62,63,63,59,57,56,
+56,56,56,0,0,0,0,0
+,
+ 
+0,192,224,224,96,96,224,224,   //'3'
+192,192,0,0,0,0,0,0
+,
+0,1,0,0,48,48,56,125,
+239,207,0,0,0,0,0,0
+,
+0,28,56,56,48,48,56,60,
+31,15,1,0,0,0,0,0
+,
+ 
+0,0,0,0,0,128,192,224,            //'4'
+224,0,0,0,0,0,0,0
+,
+224,240,248,222,207,199,193,255,
+255,192,192,0,0,0,0,0
+,
+0,0,0,0,0,0,0,63,
+63,0,0,0,0,0,0,0
+,
+ 
+0,224,224,224,224,224,224,224,    //'5'
+224,224,224,0,0,0,0,0
+,
+0,63,63,63,56,56,48,112,
+240,224,0,0,0,0,0,0
+,
+0,28,56,56,48,48,56,60,
+31,15,1,0,0,0,0,0
+,
+ 
+0,0,128,192,192,224,96,96,        //'6'
+224,224,0,0,0,0,0,0
+,
+224,254,255,55,57,24,24,56,
+240,240,192,0,0,0,0,0
+,
+0,15,31,28,56,48,48,56,
+31,15,7,0,0,0,0,0
+,
+ 
+0,224,224,224,224,224,224,224,         //'7'
+224,224,224,0,0,0,0,0
+,
+0,0,0,0,128,224,248,126,
+31,7,1,0,0,0,0,0
+,
+0,0,56,62,31,7,1,0,
+0,0,0,0,0,0,0,0
+,
+ 
+0,128,192,224,224,96,96,224,         //'8'
+192,192,0,0,0,0,0,0
+,
+0,207,255,127,56,48,112,112,
+255,239,199,0,0,0,0,0
+,
+3,15,31,60,56,48,48,56,
+31,31,15,0,0,0,0,0
+,
+ 
+0,128,192,224,224,96,224,224,         //'9'
+192,128,0,0,0,0,0,0
+,
+12,63,127,241,224,192,192,225,
+255,255,254,0,0,0,0,0
+,
+0,0,56,48,48,56,56,30,
+15,7,0,0,0,0,0,0
+,
+ 
+ 
+0,0,0,0,0,0,0,0,                         //'.'
+0,0,0,0,0,0,0,0
+,
+0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0
+,
+60,60,60,0,0,0,0,0,
+0,0,0,0,0,0,0,0
+,
+ 
+0,0,0,0,0,0,0,0,                        //'+'
+0,0,0,0,0,0,0,0
+,
+0,0,64,64,64,64,64,254,
+254,64,64,64,64,64,0,0
+,
+0,0,0,0,0,0,0,15,
+15,0,0,0,0,0,0,0
+,
+ 
+0,0,0,0,0,0,0,0,                         //'-'
+0,0,0,0,0,0,0,0
+,
+0,64,64,64,64,64,64,0,
+0,0,0,0,0,0,0,0
+,
+0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0
+};
+ 
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Dec 07 16:05:23 2015 +0000
@@ -0,0 +1,39 @@
+#include "mbed.h"
+#include "LCD4884.h"
+#include <string.h>
+
+DigitalOut myled(LED1);
+DigitalIn b(USER_BUTTON);
+DigitalOut backlight(D7);
+AnalogIn joy(A0); //up = 1.00, down = 0.47, right = 0.73, left = 0.00, middle = 0.79
+
+int main() {
+    char I[2] = {MENU_NORMAL,'1'};
+    int i = 0;
+    float pos = 0.00;
+    backlight = 1;
+    unsigned char x=0,y=0;
+    LCD4884 test;
+        
+    test.LCD_init();
+    //test.LCD_clear();
+    //test.LCD_write_byte(0x01, 0);
+    //test.LCD_write_byte(0x01, 1);
+    //test.LCD_write_string('0','0',"1324",'0');
+    
+    
+    while(1) {
+        test.LCD_pixel(x,y,1);
+        pos = joy.read();
+        if(pos>0.98){
+            if(y==0) y=47;
+            else y-=1; } 
+        else if(0.46<pos&&pos<0.48) y+=1;
+        else if(0.72<pos&&pos<0.74) x+=1;
+        else if(0.02>pos){
+            if(x==0) x=83;
+            else x-=1; }
+        wait_ms(150);
+        test.LCD_clear();
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Dec 07 16:05:23 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/34e6b704fe68
\ No newline at end of file