Takeshi Ueno
If you want to try this program, u will need fontfiles. You can download zipfile from http://j.mp/mbedjpfont2 . Documents include but only Japanese. Screen shot on http://twitpic.com/s2rvv .
main.cpp
- Committer:
- utaani
- Date:
- 2009-12-04
- Revision:
- 0:2c051d5e25ee
File content as of revision 0:2c051d5e25ee:
// AD-12864-SPI test program
// About AD-12864-SPI, see http://www.aitendo.co.jp/product/1622.
// Pin allocation
// 1 p21 #CS1 with 10k ohm pull-up
// 2 p22 #RESET with 10k ohm pull-up
// 3 p23 A0 ... 0:command 1:data
// 4 p13 SCK
// 5 p11 MOSI
// 6 Vdd
// 7 Vss
// 8 NC LED_A
// Japanese Character Version:
// UTF Font from e-font http://openlab.ring.gr.jp/efont/unicode/
// and row-col convert with information from:
// http://todotani.cocolog-nifty.com/blog/2009/07/arduino-d98c.html
// Font data file based on
// http://todotani.cocolog-nifty.com/blog/files/glcdfont_12_ucs2.zip
// make binary and split binary
#include "mbed.h"
DigitalOut cs(p21);
DigitalOut rst(p22);
DigitalOut a0(p23);
SPI spi(p11, p12, p13); // mosi, miso, sclk
LocalFileSystem local("local");
#ifdef DEBUG
Serial pc(USBTX, USBRX); // tx, rx
#endif
void regwrite(unsigned char c) {
cs = a0 = 0;
spi.write(c);
cs = 1;
}
void datawrite(unsigned char c) {
cs = 0;
a0 = 1;
spi.write(c);
cs = 1;
}
// set position (x, 8*y)
void locate(int x, int y) {
regwrite(0xb0 | (y & 0x0f)); // Page Address Set (see 2.4.3)
regwrite(0x10 | (x >> 4 & 0x0f)); // Column Address Set (see 2.4.4)
regwrite(x & 0x0f);
}
void cls(void) {
int x, y;
for (y = 0; y < 8; y++) {
locate(0, y);
for (x = 0; x < 128; x++) datawrite(0x00);
}
}
void plot(int x, int y) {
locate(x, y >> 3);
datawrite(1 << (y & 7));
}
void init() {
spi.format(8,0); // nazo
spi.frequency(10000000); // modify later
// reset
wait_ms(200);
rst = 0;
wait_ms(200);
rst = 1;
// initialize sequence
regwrite(0xaf); // display on (see 2.4.1)
regwrite(0x2f); // power control set (see 2.4.16)
regwrite(0x81); // set electronic volume mode (see 2.4.18)
// regwrite(0x1f); // electronic volume data 00-3f
regwrite(0x00); // electronic volume data 00-3f
regwrite(0x27); // V5 Volatge Regulator Internal Resister Ratio Set (see 2.4.17)
regwrite(0xa2); // LCD Bias Set ... 1/9 bias (see 2.4.11)
regwrite(0xc8); // Common Output Mode Select ... Reverse (see 2.4.15)
regwrite(0xa0); // ADC Select ... Normal (see 2.4.8)
regwrite(0xa4); // Display All Points ON/OFF ... normal (see 2.4.10)
regwrite(0xa6); // Display Normal/Reverse ... normal (see 2.4.9)
regwrite(0xac); // Static Indicator ... off (see 2.4.19)
regwrite(0x00); // off
regwrite(0x40); // Display Strat Line Set ... 0 (see 2.4.2)
regwrite(0xe0); // Write Mode Set
}
void drawchar24(int x, int y, unsigned int c) {
unsigned char buf[24];
char fname[20];
int width,base;
if((c >= 0x0020) && (c <= 0x00FE)) {
width=12;
base=0x0020;
sprintf(fname,"/local/002000FE.dat");
}
else if((c >= 0x0100) && (c <= 0x05F3)) {
width=12;
base=0x0100;
sprintf(fname,"/local/010005F3.dat");
}
else if((c >= 0x1E00) && (c <= 0x1F72)) {
width=12;
base=0x1E00;
sprintf(fname,"/local/1E001F72.dat");
}
else if((c >= 0x2010) && (c <= 0x28FE)) {
width=12;
base=0x2010;
sprintf(fname,"/local/201028FE.dat");
}
else if((c >= 0x3000) && (c <= 0x33DD)) {
width=24;
base=0x3000;
sprintf(fname,"/local/300033DD.dat");
}
else if((c >= 0x4E00) && (c <= 0x9FA4)) {
width=24;
base=0x4E00;
sprintf(fname,"/local/4E009FA4.dat");
}
else if((c >= 0xF900) && (c <= 0xFA26)) {
width=24;
base=0xF900;
sprintf(fname,"/local/F900FA26.dat");
}
else if((c >= 0xFF00) && (c <= 0xFF5E)) {
width=24;
base=0xFF00;
sprintf(fname,"/local/FF00FF5E.dat");
}
else if((c >= 0xFF60) && (c <= 0xFF9F)) {
width=12;
base=0xFF60;
sprintf(fname,"/local/FF60FF9F.dat");
}
else if((c >= 0xFFE0) && (c <= 0xFFE6)) {
width=24;
base=0xFFE0;
sprintf(fname,"/local/FFE0FFE6.dat");
}
else {
return;
}
FILE *fp = fopen(fname,"rb");
fseek(fp,(c-base) * width,SEEK_SET);
fread(buf, sizeof(unsigned char), width, fp);
fclose(fp);
#ifdef DEBUG
int i;
pc.printf("DEBUG:%s:%04.4x -> ",fname,c);
for(i=0;i<width;i++) {
pc.printf("%02.2x ",buf[i]);
}
pc.printf("\r\n");
#endif
if(width == 24) {
locate(x,y);
datawrite(buf[0]); datawrite(buf[1]); datawrite(buf[2]);
datawrite(buf[3]); datawrite(buf[4]); datawrite(buf[5]);
datawrite(buf[6]); datawrite(buf[7]); datawrite(buf[8]);
datawrite(buf[9]); datawrite(buf[10]); datawrite(buf[11]);
locate(x,y+1);
datawrite(buf[12]>>4); datawrite(buf[13]>>4); datawrite(buf[14]>>4);
datawrite(buf[15]>>4); datawrite(buf[16]>>4); datawrite(buf[17]>>4);
datawrite(buf[18]>>4); datawrite(buf[19]>>4); datawrite(buf[20]>>4);
datawrite(buf[21]>>4); datawrite(buf[22]>>4); datawrite(buf[23]>>4);
}
else if(width == 12) {
locate(x,y);
datawrite(buf[0]); datawrite(buf[1]); datawrite(buf[2]);
datawrite(buf[3]); datawrite(buf[4]); datawrite(buf[5]);
locate(x,y+1);
datawrite(buf[6]); datawrite(buf[7]); datawrite(buf[8]);
datawrite(buf[9]); datawrite(buf[10]); datawrite(buf[11]);
}
}
/*
void drawtext(const char *s) {
unsigned char c;
while ((c = *s++) != '\0') drawchar(c);
}
*/
int main() {
init();
cls();
locate(0, 0);
// http://www.unicode.org/charts/PDF/U3040.pdf
// http://ash.jp/code/unitbl21.htm
drawchar24(0,0,0x3053); // KO on UCS2
drawchar24(12,0,0x3093); // N
drawchar24(24,0,0x306b); // NI
drawchar24(36,0,0x3061); // CHI
drawchar24(48,0,0x306F); // HA
drawchar24(0,2,0x65E5); // NI
drawchar24(12,2,0x672C); // HON
drawchar24(24,2,0x8A9E); // GO
drawchar24(36,2,0x8868); // HYO
drawchar24(48,2,0x793A); // JI
drawchar24(60,2,0x306E); // NO
drawchar24(72,2,0x30C6); // TE
drawchar24(84,2,0x30B9); // SU
drawchar24(96,2,0x30C8); // TO
drawchar24(108,2,0x3002);// MARU
drawchar24(0,4,0xFF21); // zenkaku-A
drawchar24(12,4,0xFF22); // zenkaku-B
drawchar24(24,4,0xFF23); // zenkaku-C
drawchar24(36,4,0xFF24); // zenkaku-D
drawchar24(48,4,0xFF25); // zenkaku-E
drawchar24(60,4,0xFF26); // zenkaku-F
drawchar24(72,4,0xFF27); // zenkaku-G
drawchar24(84,4,0xFF28); // zenkaku-H
drawchar24(96,4,0xFF29); // zenkaku-I
drawchar24(108,4,0xFF2A); // zenkaku-J
while (1) {}
}