Revision 0:9718a8784c1b, committed 2019-01-16

Comitter:

Bulme2

Date:

Wed Jan 16 10:53:26 2019 +0000

Commit message:

1/2019

Changed in this revision

diff -r 000000000000 -r 9718a8784c1b C12832.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/C12832.cpp	Wed Jan 16 10:53:26 2019 +0000
@@ -0,0 +1,227 @@
+/* mbed library for the mbed Lab Board  128*32 pixel LCD
+ * use C12832 controller
+ * Copyright (c) 2012 Peter Drescher - DC2PD
+ * Released under the MIT License: http://mbed.org/license/mit
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * Library überarbeitet: 15.1.2014 Copyright (c) Dr.C.Eichtinger
+ * File GraphicDisplay und TextDisplay, sowie small_7 font gestrichen
+ * C12832.h und C12832.cpp überarbeitet und mit Ziffernfont ergänzt
+ * Erweiterung: Zeichengröße 1..4
+ */
+
+#include "mbed.h"
+#include "C12832.h"
+#include <stdio.h>
+#include "font.h"
+
+
+
+C12832::C12832(PinName mosi, PinName sck, PinName reset, PinName a0, PinName ncs)
+    : _spi(mosi,NC,sck),_reset(reset),_A0(a0),_CS(ncs)
+{  
+    lcd_reset();
+}
+
+void C12832::invert(unsigned int o)
+{
+    if(o == 0) wr_cmd(0xA6);
+    else wr_cmd(0xA7);
+}
+
+
+
+void C12832::wr_cmd(unsigned char cmd)
+{
+    _A0 = 0;
+    _CS = 0;
+    _spi.write(cmd);
+    _CS = 1;
+}
+
+void C12832::wr_dat(unsigned char dat)
+{
+    _A0 = 1;
+    _CS = 0;
+    _spi.write(dat);
+    _CS = 1;
+}
+
+void C12832::lcd_reset()
+{
+
+    _spi.format(8,3);                 // 8 bit spi mode 3
+    _spi.frequency(20000000);          // 19,2 Mhz SPI clock
+    _A0 = 0;
+    _CS = 1;
+    _reset = 0;                        // display reset
+    wait_us(50);
+    _reset = 1;                       // end reset
+    wait_ms(5);
+
+    /* Start Initial Sequence ----------------------------------------------------*/
+
+    wr_cmd(0xAE);   //  display off
+    wr_cmd(0xA2);   //  bias voltage
+
+    wr_cmd(0xA0);
+    wr_cmd(0xC8);   //  colum normal
+
+    wr_cmd(0x22);   //  voltage resistor ratio
+    wr_cmd(0x2F);   //  power on
+    //wr_cmd(0xA4);   //  LCD display ram
+    wr_cmd(0x40);   // start line = 0
+    wr_cmd(0xAF);     // display ON
+
+    wr_cmd(0x81);   //  set contrast
+    wr_cmd(0x17);   //  set contrast
+
+    wr_cmd(0xA6);     // display normal
+
+
+    // clear and update LCD
+    memset(buffer,0x00,512);  // clear display buffer
+    copy_to_lcd();
+}
+
+void C12832::pixel(int x, int y, int color)
+{
+    // first check parameter
+    if(x > 127 || y > 31 || x < 0 || y < 0) return;
+
+        if(color == 0)
+            buffer[x + ((y/8) * 128)] &= ~(1 << (y%8));  // erase pixel
+        else
+            buffer[x + ((y/8) * 128)] |= (1 << (y%8));   // set pixel
+
+}
+
+void C12832::copy_to_lcd(void)
+{
+    
+    int i=0;
+    
+    //page 0
+    wr_cmd(0x00);      // set column low nibble 0
+    wr_cmd(0x10);      // set column hi  nibble 0
+    wr_cmd(0xB0);      // set page address  0
+    _A0 = 1;
+    for(i=0; i<128; i++) {
+        wr_dat(buffer[i]);
+    }
+
+    // page 1
+    wr_cmd(0x00);      // set column low nibble 0
+    wr_cmd(0x10);      // set column hi  nibble 0
+    wr_cmd(0xB1);      // set page address  1
+    _A0 = 1;
+    for(i=128; i<256; i++) {
+        wr_dat(buffer[i]);
+    }
+
+    //page 2
+    wr_cmd(0x00);      // set column low nibble 0
+    wr_cmd(0x10);      // set column hi  nibble 0
+    wr_cmd(0xB2);      // set page address  2
+    _A0 = 1;
+    for(i=256; i<384; i++) {
+        wr_dat(buffer[i]);
+    }
+
+    //page 3
+    wr_cmd(0x00);      // set column low nibble 0
+    wr_cmd(0x10);      // set column hi  nibble 0
+    wr_cmd(0xB3);      // set page address  3
+    _A0 = 1;
+
+    _CS = 0;
+    
+    for(i=384; i<512; i++) {
+        wr_dat(buffer[i]);
+    }
+
+}
+
+void C12832::cls(void)
+{
+    memset(buffer,0x00,512);  // clear display buffer
+    copy_to_lcd();
+}
+
+void C12832::rectangle(int x1, int x2, int y1, int y2)
+{
+    for(int i=x1;i<=x2;i++)
+    {
+        pixel(i,y1,1);
+        pixel(i,y2,1);
+    }
+    
+    for(int i=y1;i<=y2;i++)
+    {
+        pixel(x1,i,1);
+        pixel(x2,i,1);
+    }
+}
+
+
+void C12832::text(int ix, int iy, char* ctext, int length, int size)
+{
+    int i;
+    for(i=0;i<length;i++)
+    {
+        character(ix+i*6*size,iy,ctext[i],size);    
+    }
+}
+
+
+int C12832::character(int ix, int iy, char c, int size)
+{
+    int code = 0;
+    
+    if(ix >127 || ix < 0) return -1;
+    if(iy >31  || iy < 0) return -1;
+    if(c>= 0x20){
+        code = (int)(c - 0x20);
+    } else if(c == 0x00) {
+        code = 96;
+    } else {
+        return -1;
+    }   
+    if((size < 0)||(size > 4)) return -1;
+    
+    int index = code*5;
+    unsigned char  codebyte = 0;
+    unsigned char codebit = 0;
+    
+    
+    for(int i=0; i< 5 ; i++)
+    {
+        codebyte = font[index+i];
+        for(int j=0; j<7; j++)
+        {
+             codebit =  codebyte & (1<<j);
+             for (int k=0; k<size; k++) {
+                for(int l=0;l<size;l++) {
+                    pixel(ix+i*size+k,iy+l+j*size,codebit);   
+                }             
+             }
+             
+        }     
+    } 
+    return 0;
+}    
+
+void C12832::set_contrast(unsigned char volume)
+{
+    wr_cmd(0x81);      //  set volume
+    wr_cmd(volume & 0x3F);
+}   
+
+

diff -r 000000000000 -r 9718a8784c1b C12832.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/C12832.h	Wed Jan 16 10:53:26 2019 +0000
@@ -0,0 +1,49 @@
+/* mbed library for the mbed Lab Board  128*32 pixel LCD
+ * use C12832 controller
+ * Copyright (c) 2012 Peter Drescher - DC2PD
+ * Released under the MIT License: http://mbed.org/license/mit
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * Library überarbeitet: 15.1.2014 Copyright (c) Dr.C.Eichtinger
+ * File GraphicDisplay und TextDisplay, sowie small_7 font gestrichen
+ * C12832.h und C12832.cpp überarbeitet und mit Ziffernfont ergänzt
+ * Erweiterung: Zeichengröße 1..4
+ */
+#ifndef C12832_H
+#define C12832_H
+
+class C12832 {
+public:
+    C12832(PinName mosi, PinName sck, PinName reset, PinName a0, PinName ncs);
+    void pixel(int x, int y,int colour);
+    void copy_to_lcd(void);    
+    void cls();
+    void set_contrast(unsigned char volume);
+    
+    SPI _spi;
+    DigitalOut _reset;
+    DigitalOut _A0;
+    DigitalOut _CS;
+
+    void invert(unsigned int o);    
+    void rectangle(int x0,int x1,int y0,int y1);   
+    int character(int ix, int iy, char c, int size);
+    void text(int ix, int iy, char* ctext, int length, int size);
+    
+    
+protected:
+    void lcd_reset();
+    void wr_dat(unsigned char value);
+    void wr_cmd(unsigned char value);
+    unsigned char buffer[512];
+};
+
+
+#endif
\ No newline at end of file

diff -r 000000000000 -r 9718a8784c1b font.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/font.h	Wed Jan 16 10:53:26 2019 +0000
@@ -0,0 +1,100 @@
+
+unsigned char font[] = {
+    0x00, 0x00, 0x00, 0x00, 0x00,// (space)
+    0x00, 0x00, 0x5F, 0x00, 0x00,// !
+    0x00, 0x07, 0x00, 0x07, 0x00,// "
+    0x14, 0x7F, 0x14, 0x7F, 0x14,// #
+    0x24, 0x2A, 0x7F, 0x2A, 0x12,// $
+    0x23, 0x13, 0x08, 0x64, 0x62,// %
+    0x36, 0x49, 0x55, 0x22, 0x50,// &
+    0x00, 0x05, 0x03, 0x00, 0x00,// '
+    0x00, 0x1C, 0x22, 0x41, 0x00,// (
+    0x00, 0x41, 0x22, 0x1C, 0x00,// )
+    0x08, 0x2A, 0x1C, 0x2A, 0x08,// *
+    0x08, 0x08, 0x3E, 0x08, 0x08,// +
+    0x00, 0x50, 0x30, 0x00, 0x00,// ,
+    0x08, 0x08, 0x08, 0x08, 0x08,// -
+    0x00, 0x60, 0x60, 0x00, 0x00,// .
+    0x20, 0x10, 0x08, 0x04, 0x02,// /
+    0x3E, 0x51, 0x49, 0x45, 0x3E,// 0
+    0x00, 0x42, 0x7F, 0x40, 0x00,// 1
+    0x42, 0x61, 0x51, 0x49, 0x46,// 2
+    0x21, 0x41, 0x45, 0x4B, 0x31,// 3
+    0x18, 0x14, 0x12, 0x7F, 0x10,// 4
+    0x27, 0x45, 0x45, 0x45, 0x39,// 5
+    0x3C, 0x4A, 0x49, 0x49, 0x30,// 6
+    0x01, 0x71, 0x09, 0x05, 0x03,// 7
+    0x36, 0x49, 0x49, 0x49, 0x36,// 8
+    0x06, 0x49, 0x49, 0x29, 0x1E,// 9
+    0x00, 0x36, 0x36, 0x00, 0x00,// :
+    0x00, 0x56, 0x36, 0x00, 0x00,// ;
+    0x00, 0x08, 0x14, 0x22, 0x41,// <
+    0x14, 0x14, 0x14, 0x14, 0x14,// =
+    0x41, 0x22, 0x14, 0x08, 0x00,// >
+    0x02, 0x01, 0x51, 0x09, 0x06,// ?
+    0x32, 0x49, 0x79, 0x41, 0x3E,// @
+    0x7E, 0x11, 0x11, 0x11, 0x7E,// A
+    0x7F, 0x49, 0x49, 0x49, 0x36,// B
+    0x3E, 0x41, 0x41, 0x41, 0x22,// C
+    0x7F, 0x41, 0x41, 0x22, 0x1C,// D
+    0x7F, 0x49, 0x49, 0x49, 0x41,// E
+    0x7F, 0x09, 0x09, 0x01, 0x01,// F
+    0x3E, 0x41, 0x41, 0x51, 0x32,// G
+    0x7F, 0x08, 0x08, 0x08, 0x7F,// H
+    0x00, 0x41, 0x7F, 0x41, 0x00,// I
+    0x20, 0x40, 0x41, 0x3F, 0x01,// J
+    0x7F, 0x08, 0x14, 0x22, 0x41,// K
+    0x7F, 0x40, 0x40, 0x40, 0x40,// L
+    0x7F, 0x02, 0x04, 0x02, 0x7F,// M
+    0x7F, 0x04, 0x08, 0x10, 0x7F,// N
+    0x3E, 0x41, 0x41, 0x41, 0x3E,// O
+    0x7F, 0x09, 0x09, 0x09, 0x06,// P
+    0x3E, 0x41, 0x51, 0x21, 0x5E,// Q
+    0x7F, 0x09, 0x19, 0x29, 0x46,// R
+    0x46, 0x49, 0x49, 0x49, 0x31,// S
+    0x01, 0x01, 0x7F, 0x01, 0x01,// T
+    0x3F, 0x40, 0x40, 0x40, 0x3F,// U
+    0x1F, 0x20, 0x40, 0x20, 0x1F,// V
+    0x7F, 0x20, 0x18, 0x20, 0x7F,// W
+    0x63, 0x14, 0x08, 0x14, 0x63,// X
+    0x03, 0x04, 0x78, 0x04, 0x03,// Y
+    0x61, 0x51, 0x49, 0x45, 0x43,// Z
+    0x00, 0x00, 0x7F, 0x41, 0x41,// [
+    0x02, 0x04, 0x08, 0x10, 0x20,// "\"
+    0x41, 0x41, 0x7F, 0x00, 0x00,// ]
+    0x04, 0x02, 0x01, 0x02, 0x04,// ^
+    0x40, 0x40, 0x40, 0x40, 0x40,// _
+    0x00, 0x01, 0x02, 0x04, 0x00,// `
+    0x20, 0x54, 0x54, 0x54, 0x78,// a
+    0x7F, 0x48, 0x44, 0x44, 0x38,// b
+    0x38, 0x44, 0x44, 0x44, 0x20,// c
+    0x38, 0x44, 0x44, 0x48, 0x7F,// d
+    0x38, 0x54, 0x54, 0x54, 0x18,// e
+    0x08, 0x7E, 0x09, 0x01, 0x02,// f
+    0x08, 0x14, 0x54, 0x54, 0x3C,// g
+    0x7F, 0x08, 0x04, 0x04, 0x78,// h
+    0x00, 0x44, 0x7D, 0x40, 0x00,// i
+    0x20, 0x40, 0x44, 0x3D, 0x00,// j
+    0x00, 0x7F, 0x10, 0x28, 0x44,// k
+    0x00, 0x41, 0x7F, 0x40, 0x00,// l
+    0x7C, 0x04, 0x18, 0x04, 0x78,// m
+    0x7C, 0x08, 0x04, 0x04, 0x78,// n
+    0x38, 0x44, 0x44, 0x44, 0x38,// o
+    0x7C, 0x14, 0x14, 0x14, 0x08,// p
+    0x08, 0x14, 0x14, 0x18, 0x7C,// q
+    0x7C, 0x08, 0x04, 0x04, 0x08,// r
+    0x48, 0x54, 0x54, 0x54, 0x20,// s
+    0x04, 0x3F, 0x44, 0x40, 0x20,// t
+    0x3C, 0x40, 0x40, 0x20, 0x7C,// u
+    0x1C, 0x20, 0x40, 0x20, 0x1C,// v
+    0x3C, 0x40, 0x30, 0x40, 0x3C,// w
+    0x44, 0x28, 0x10, 0x28, 0x44,// x
+    0x0C, 0x50, 0x50, 0x50, 0x3C,// y
+    0x44, 0x64, 0x54, 0x4C, 0x44,// z
+    0x00, 0x08, 0x36, 0x41, 0x00,// {
+    0x00, 0x00, 0x7F, 0x00, 0x00,// |
+    0x00, 0x41, 0x36, 0x08, 0x00,// }
+    0x08, 0x08, 0x2A, 0x1C, 0x08,// ->
+    0x08, 0x1C, 0x2A, 0x08, 0x08,// <-
+    0x00, 0x02, 0x05, 0x02, 0x00 // grad Symbol
+    };

diff -r 000000000000 -r 9718a8784c1b main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jan 16 10:53:26 2019 +0000
@@ -0,0 +1,102 @@
+#include "mbed.h"
+#include "C12832.h"
+
+#define NORD 0
+#define OST 1
+#define WEST 2
+#define SUED 3
+#define FIRE 4
+
+C12832 lcd1(p5, p7, p6, p8, p11);
+Ticker lcdram;
+
+InterruptIn nord(p15);
+InterruptIn ost(p16);
+InterruptIn west(p13);
+InterruptIn sued(p12);
+InterruptIn fire(p14);
+
+int display = NORD;
+char buffer[6];
+
+void show()
+{
+          lcd1.cls();
+              switch(display)
+                {
+                    case NORD:                      
+                        sprintf(buffer, "NORD 0");                      
+                        break;
+                    case OST:                   
+                        sprintf(buffer, "OST  1");
+                        break;
+                    case WEST:
+                        sprintf(buffer, "WEST 2");
+                        break;
+                    case SUED:
+                        sprintf(buffer, "SUED 3");
+                        break;
+                    default:
+                          sprintf(buffer,  "FIRE 4");
+                          break;
+            }   
+        lcd1.text(8,5,buffer,6,3);
+        lcd1.rectangle(0,127,0,31); 
+}
+
+
+void isrnord()
+{
+      display = NORD;
+      show();
+}
+
+void isrost()
+{
+      display = OST;
+      show();
+}
+
+void isrwest()
+{
+      display = WEST;
+      show();
+}
+
+void isrsued()
+{
+      display = SUED;
+      show();
+}
+
+void isrfire()
+{
+      display = FIRE;
+      show();
+}
+
+void update()
+{
+   lcd1.copy_to_lcd();
+}
+
+
+
+int main()
+{    
+    lcdram.attach(&update,0.1); 
+
+    nord.rise(&isrnord);
+    ost.rise(&isrost);
+    west.rise(&isrwest);
+    sued.rise(&isrsued);
+    fire.rise(&isrfire);
+    
+    lcd1.cls();   
+    
+    
+    while(1)
+    {
+        
+    }
+}

diff -r 000000000000 -r 9718a8784c1b mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Jan 16 10:53:26 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/3a7713b1edbc
\ No newline at end of file