Kazuhiro Ouchi
VFD(FUTABA GP1059A01)にFONTX2形式の16ドットフォントを表示します。
Revision 0:f4f140765442, committed 2011-11-03
- Comitter:
- kanpapa
- Date:
- Thu Nov 03 10:44:37 2011 +0000
- Child:
- 1:c40b9c81a2ba
- Commit message:
- Alpha test version. 16dot font only.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Nov 03 10:44:37 2011 +0000
@@ -0,0 +1,252 @@
+//
+// VFD test program
+//
+#include "mbed.h"
+#include "vfd_gp1059.h"
+
+/*
+=====================
+GP1059A01(I/O)
+---------------------
+p9 1 (D0) I/O
+p10 2 (D1) I/O
+p11 3 (D2) I/O
+p12 4 (D3) I/O
+p13 5 (D4) I/O
+p14 6 (D5) I/O
+p15 7 (D6) I/O
+p16 8 (D7) I/O
+p21 10 (INT) O
+p22 11 (WR) I
+p23 12 (RD) I
+p24 13 (CS) I
+p25 14 (C/D) I
+*/
+
+VFD_GP1059 vfd(p9, p10, p11, p12, p13, p14, p15, p16, p21, p22, p23, p24, p25);
+
+//
+// For SD_card
+//
+//#include "SDFileSystem.h"
+//SDFileSystem sd(p5, p6, p7, p8, "sd"); // mosi, miso, sclk, cs, name (HW modification candidate)
+
+LocalFileSystem local("local");
+
+// LED Status
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+
+const uint8_t LOW = 0;
+
+unsigned char reverse_bit(unsigned char x){
+ const unsigned int bit[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
+ unsigned char y = 0;
+ for (int i = 0; i < 8; i++){
+ if ((bit[i] & x) != 0){
+ y |= bit[7-i];
+ }
+ }
+ return(y);
+}
+
+
+
+
+//
+// FONTX2 test routine
+// @gingaxx
+//
+
+//#define kanji_file "/local/SHMZN16X.FNT"
+//#define kanji_file "/local/k12x10.fnt"
+#define kanji_file "/local/J2KZN16A.FNT"
+
+int cx = 0;
+int cy = 0;
+int offsety = 0;
+bool kstate = false;
+unsigned char kbuf;
+
+
+ FILE *fp; //File open buffer
+
+ unsigned short start[92], end[92];
+ unsigned char font[64];
+
+ char Identifier[6+1];
+ char FontName[8+1];
+ unsigned char XSize;
+ unsigned char YSize;
+ unsigned char Size;
+ unsigned char CodeType;
+ unsigned char Tnum;
+
+#define FONT_XBYTE ((XSize + 7) >> 3)
+#define FONT_YBYTE ((YSize + 7) >> 3)
+
+void kanji_init(){
+ //move cursor
+ fp = fopen(kanji_file , "r");
+
+ if(!fp) {
+ printf("File could not be opened!\n");
+ led1 = 1;
+ exit(1);
+ }
+
+ fgets(Identifier, 6+1, fp); // FONTX2
+ fgets(FontName, 8+1, fp);
+ fread(&XSize, 1, 1, fp);
+ fread(&YSize, 1, 1, fp);
+ fread(&CodeType, 1, 1, fp);
+ fread(&Tnum, 1, 1, fp);
+
+ printf("Identifier: %s\n\r",Identifier);
+ printf("FontName: %s\n\r",FontName);
+ printf("XSize: %d\n\r",XSize);
+ printf("YSize: %d\n\r",YSize);
+ printf("CodeType: %d\n\r",CodeType);
+ printf("Tnum: %d\n\r",Tnum);
+
+ // Table read
+ for(int a=0;a< Tnum ;a++){
+ fread(&start[a],1,2,fp);
+ fread(&end[a] ,1,2,fp);
+ }
+}
+
+//Kanji puts cr = kanji cord
+void k_puts(int cr){
+
+ const unsigned char bit_chk[]={0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01};
+
+ //kanji address
+ int c = 0;
+ int adrs = 0;
+ while(cr > start[c]){
+ if(cr > end[c]){
+ adrs += end[c]-start[c]+1;
+ } else {
+ adrs += cr - start[c];
+ }
+ c++;
+ }
+ c--;
+ printf("C=%d,adrs=%d cr=%X \r\n",c,adrs,cr);
+
+ // Kanji image Read
+ fseek( fp, Tnum*4+18+32*adrs, SEEK_SET );
+ fread( &font, 1, 32, fp);
+
+ // debug dump
+ for (int s = 0; s < 32 ; s++){
+ printf(" %02x ",font[s]);
+ }
+ printf("\r\n");
+
+ // kanji put
+ c = 0;
+ unsigned int vfd_address = cx * 8 * 16 + cy * 2;
+ //printf("VFD address: %04x\r\n",vfd_address);
+
+ int n = 0;
+ for (int j = 0; j < 2 ; j++) {
+ for (int x = 0; x < 8; x++) {
+ //printf("set VFD address: %04x\r\n",vfd_address);
+ vfd.set_write_read_address(vfd_address);
+ int m = 0;
+ for (int k = 0; k < 2 ; k++) {
+ unsigned int d = 0;
+ for (int i = 0; i < 8; i++) {
+ if (font[m * 2 + j] & bit_chk[x]) {
+ //printf("BIT on!\r\n");
+ d = d | 1;
+ }
+ if (i < 7) {
+ d = d << 1;
+ }
+ //printf("i:%d, k:%d, m:%d, font:%02x, bit_chk:%02x, data:%02x\r\n",i,k,m,font[m*2+j],bit_chk[x],d);
+ m++;
+ }
+ //printf("send_data: %02x\r\n",d);
+ vfd.send_data(d);
+ }
+ vfd_address = vfd_address + 8;
+ }
+ n++;
+ }
+
+#ifdef TATEGAKI // tategaki
+ for (int x = 0; x < 16; x++){
+ //printf("set VFD address: %04x\r\n",vfd_address);
+ //printf("send_data: font[%d] = %02x\r\n",x,font[c]);
+ vfd.set_write_read_address(vfd_address + 1);
+ vfd.send_data(reverse_bit(font[c]));
+ c++;
+
+ //printf("set VFD address2: %04x\r\n",vfd_address);
+ //printf("send_data2: font[%d] = %02x\r\n",x,font[c]);
+ vfd.set_write_read_address(vfd_address);
+ vfd.send_data(reverse_bit(font[c]));
+ c++;
+
+ vfd_address = vfd_address + 8;
+ }
+#endif // TATEGAKI
+
+ // move cursor
+ cx++;
+ if (cx >= 15){ //LF control
+ cx = 0;
+ cy++;
+ }
+}
+
+void kanji_end(){
+ fclose(fp);
+}
+
+
+void blink_LED() {
+ for (int i = 0 ; i < 5 ; i++) {
+ led4 = 1;
+ wait(0.2);
+ led4 = 0;
+ wait(0.2);
+ }
+ return;
+}
+
+int main() {
+
+ led1 = LOW;
+ led2 = LOW;
+ led3 = LOW;
+ led4 = LOW;
+
+ // Start Sign
+ blink_LED();
+
+ vfd.cls();
+
+ // FONTX2 test
+ vfd.set_disp_start_address(0); // Display address: 000000H
+ vfd.luminance_adjustment(0x0f); // 100%
+
+ kanji_init();
+ printf("kanji_init()\r\n");
+
+ for (unsigned int kc = 0x8801; kc < 0x8820 ; kc++){
+ k_puts(kc); // 8abf
+ }
+
+ kanji_end();
+ printf("kanji_end()\r\n");
+
+ // END Sign
+ blink_LED();
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Nov 03 10:44:37 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/vfd_gp1059.h Thu Nov 03 10:44:37 2011 +0000
@@ -0,0 +1,155 @@
+/*
+
+VFD Control class for GP1059A01
+
+===============
+GP1059A01 INTERFACE CONNECTION
+---------------
+1 D0 2 D1
+3 D2 4 D3
+5 D4 6 D5
+7 D6 8 D7
+9 GND 10 INT
+11 WR 12 RD
+13 CS 14 C/D
+15 5V 16 5V
+17 5V 18 GND
+19 GND 20 ebb(+70V)
+
+=====================
+mbed CONNECTION
+---------------------
+mbed GP1059A01(I/O)
+---------------------
+p5 1 (D0) I/O
+p6 2 (D1) I/O
+p7 3 (D2) I/O
+p8 4 (D3) I/O
+p9 5 (D4) I/O
+p10 6 (D5) I/O
+p11 7 (D6) I/O
+p12 8 (D7) I/O
+p13 10 (INT) O
+p14 11 (WR) I
+p15 12 (RD) I
+p16 13 (CS) I
+p17 14 (C/D) I
+GND 9,18,19 (GND)
+=====================
+
+*/
+
+#ifndef __VFD_GP1059_H__
+#define __VFD_GP1059_H__
+
+#include "mbed.h"
+
+class VFD_GP1059 {
+private:
+ BusOut data;
+ DigitalOut wr,rd,cs,cd;
+ DigitalIn intr;
+
+ void init(){
+ cs = 1;
+ wr = 1;
+ rd = 1;
+ cd = 1;
+ }
+
+public:
+ // constructor
+ VFD_GP1059(PinName d0_pin,
+ PinName d1_pin,
+ PinName d2_pin,
+ PinName d3_pin,
+ PinName d4_pin,
+ PinName d5_pin,
+ PinName d6_pin,
+ PinName d7_pin,
+ PinName intr_pin,
+ PinName wr_pin,
+ PinName rd_pin,
+ PinName cs_pin,
+ PinName cd_pin) :
+ data(d0_pin, d1_pin, d2_pin, d3_pin, d4_pin, d5_pin, d6_pin, d7_pin),
+ intr(intr_pin),
+ wr(wr_pin),
+ rd(rd_pin),
+ cs(cs_pin),
+ cd(cd_pin) {
+ init();
+ cls();
+ }
+
+ void send_cmd(uint8_t cmd){
+ cd = 1; // C/D SET HIGH
+ data = cmd; // COMMAND SET
+ cs = 0; // CS SET LOW
+ wr = 0; // WR SET LOW
+ wait_us(2); // wait 2us
+ wr = 1; // WR SET HIGH
+ cs = 1; // CS SET HIGH
+ wait_us(4); // wait 4us
+
+ return;
+ }
+
+ void send_data(uint8_t data_value){
+ cd = 0; // C/D SET HIGH
+ data = data_value; // DATA SET
+ cs = 0; // CS SET LOW
+ wr = 0; // WR SET LOW
+ wait_us(2); // wait 2us
+ wr = 1; // WR SET HIGH
+ cs = 1; // CS SET HIGH
+ wait_us(4); // wait 4us
+
+ return;
+ }
+
+ // Luminance Adjustment (06H)
+ void luminance_adjustment(uint8_t data){
+ send_cmd(6);
+ send_data(data);
+
+ return;
+ }
+
+ // 04H,05H,02H: Setting address of Write
+ void set_write_read_address(uint16_t address){
+ send_cmd(4); // 04H: Setting lower address of Write-Read
+ send_data((uint8_t)(address & 0x0ff)); // mask upper address
+
+ send_cmd(5); // 05H: Setting upper address of Write-Read
+ send_data((uint8_t)(address >> 8)); // 8bit shift
+
+ send_cmd(2); // 02H: Data Write
+
+ return;
+ }
+
+ // 07H,08H: Setting address display started
+ void set_disp_start_address(uint16_t address){
+ send_cmd(7); // 07H: Setting lower address display started
+ send_data((uint8_t)(address & 0x0ff));
+
+ send_cmd(8); // 08H: Setting upper address display started
+ send_data((uint8_t)(address >> 8));
+
+ return;
+ }
+
+ // Clear display memory
+ void cls(){
+ set_disp_start_address(0);
+ set_write_read_address(0);
+ for (int i = 0; i < 0x1fff; i++){
+ send_data(0);
+ }
+ return;
+ }
+
+};
+
+#endif
\ No newline at end of file