Yoshihiro TSUBOI / Mbed 2 deprecated GT20L16J1Y_sample

access GT20L16J1Y through UART. Please use Shift-JIS code on serial terminal.

Dependencies:   mbed

GT20L16J1Yにアクセスするサンプルです。パソコンのシリアルターミナルからShift-JISで文字を入力すると、フォントを表示します。

main.cpp@0:371d6cc5d4fb, 2015-10-23 (annotated)

Committer:
ytsuboi
Date:
Fri Oct 23 07:15:15 2015 +0000
Revision:
0:371d6cc5d4fb
first version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ytsuboi 0:371d6cc5d4fb 1 #include "mbed.h"
ytsuboi 0:371d6cc5d4fb 2
ytsuboi 0:371d6cc5d4fb 3 Serial pc(USBTX, USBRX); // tx, rx
ytsuboi 0:371d6cc5d4fb 4 SPI spi(p11, p12, p13); // mosi, miso, sclk
ytsuboi 0:371d6cc5d4fb 5 DigitalOut cs(p10);
ytsuboi 0:371d6cc5d4fb 6
ytsuboi 0:371d6cc5d4fb 7 unsigned char matrixdata32[32]; //16×16用表示データ
ytsuboi 0:371d6cc5d4fb 8 unsigned char matrixdata16[16]; //16×8用表示データ
ytsuboi 0:371d6cc5d4fb 9
ytsuboi 0:371d6cc5d4fb 10 /*漢字ROMとやりとり*/
ytsuboi 0:371d6cc5d4fb 11 //readFontJIS(JIS上位8bit,JIS下位8bit);
ytsuboi 0:371d6cc5d4fb 12 void readFontJIS(uint8_t c1, uint8_t c2)
ytsuboi 0:371d6cc5d4fb 13 {
ytsuboi 0:371d6cc5d4fb 14 /*jisx変換後の表示*/
ytsuboi 0:371d6cc5d4fb 15 pc.printf("JIS X up8 = 0x%x downn8 = 0x%x\r\n", c1, c2);
ytsuboi 0:371d6cc5d4fb 16
ytsuboi 0:371d6cc5d4fb 17 /*jisxの区点を求める*/
ytsuboi 0:371d6cc5d4fb 18 uint32_t MSB = c1 - 0x20;//区
ytsuboi 0:371d6cc5d4fb 19 uint32_t LSB = c2 - 0x20;//点
ytsuboi 0:371d6cc5d4fb 20 /*JISの句点番号で分類*/
ytsuboi 0:371d6cc5d4fb 21 uint32_t Address = 0;
ytsuboi 0:371d6cc5d4fb 22
ytsuboi 0:371d6cc5d4fb 23 pc.printf("MSB = d%d LSB = d%d\r\n", MSB, LSB);
ytsuboi 0:371d6cc5d4fb 24 /*各種記号・英数字・かな(一部機種依存につき注意,㍍などWindowsと互換性なし)*/
ytsuboi 0:371d6cc5d4fb 25 if (MSB >= 1 && MSB <= 15 && LSB >= 1 && LSB <= 94)
ytsuboi 0:371d6cc5d4fb 26 Address = ( (MSB - 1) * 94 + (LSB - 1)) * 32;
ytsuboi 0:371d6cc5d4fb 27 /*第一水準*/
ytsuboi 0:371d6cc5d4fb 28 if (MSB >= 16 && MSB <= 47 && LSB >= 1 && LSB <= 94)
ytsuboi 0:371d6cc5d4fb 29 Address = ( (MSB - 16) * 94 + (LSB - 1)) * 32 + 43584;
ytsuboi 0:371d6cc5d4fb 30 /*第二水準*/
ytsuboi 0:371d6cc5d4fb 31 if (MSB >= 48 && MSB <= 84 && LSB >= 1 && LSB <= 94)
ytsuboi 0:371d6cc5d4fb 32 Address = ((MSB - 48) * 94 + (LSB - 1)) * 32 + 138464;
ytsuboi 0:371d6cc5d4fb 33
ytsuboi 0:371d6cc5d4fb 34 /*GT20L16J1Y内部では1区と同等の内容が収録されている*/
ytsuboi 0:371d6cc5d4fb 35 if (MSB == 85 && LSB >= 0x01 && LSB <= 94)
ytsuboi 0:371d6cc5d4fb 36 Address = ((MSB - 85) * 94 + (LSB - 1)) * 32 + 246944;
ytsuboi 0:371d6cc5d4fb 37
ytsuboi 0:371d6cc5d4fb 38 /*GT20L16J1Y内部では2区、3区と同等の内容が収録されている*/
ytsuboi 0:371d6cc5d4fb 39 if (MSB >= 88 && MSB <= 89 && LSB >= 1 && LSB <= 94)
ytsuboi 0:371d6cc5d4fb 40 Address = ((MSB - 88) * 94 + (LSB - 1)) * 32 + 249952;
ytsuboi 0:371d6cc5d4fb 41
ytsuboi 0:371d6cc5d4fb 42 /*漢字ROMにデータを送信*/
ytsuboi 0:371d6cc5d4fb 43 // Deselect the device
ytsuboi 0:371d6cc5d4fb 44 cs = 1;
ytsuboi 0:371d6cc5d4fb 45 pc.printf("Address = %u \r\n", Address);
ytsuboi 0:371d6cc5d4fb 46
ytsuboi 0:371d6cc5d4fb 47 // Setup the spi for 8 bit data, high steady state clock
ytsuboi 0:371d6cc5d4fb 48 spi.format(8,3);
ytsuboi 0:371d6cc5d4fb 49 spi.frequency(1000000);
ytsuboi 0:371d6cc5d4fb 50
ytsuboi 0:371d6cc5d4fb 51 // Select the device by seting chip select low
ytsuboi 0:371d6cc5d4fb 52 cs = 0;
ytsuboi 0:371d6cc5d4fb 53 spi.write(0x03); // Read data byte
ytsuboi 0:371d6cc5d4fb 54 spi.write(Address >> 16 & 0xff);
ytsuboi 0:371d6cc5d4fb 55 spi.write(Address >> 8 & 0xff);
ytsuboi 0:371d6cc5d4fb 56 spi.write(Address & 0xff);
ytsuboi 0:371d6cc5d4fb 57
ytsuboi 0:371d6cc5d4fb 58 /*漢字ROMからデータを受信*/
ytsuboi 0:371d6cc5d4fb 59 for (int i = 0; i < 32; i++) {
ytsuboi 0:371d6cc5d4fb 60 matrixdata32[i] = spi.write(0x00);
ytsuboi 0:371d6cc5d4fb 61 }
ytsuboi 0:371d6cc5d4fb 62 // Deselect the device
ytsuboi 0:371d6cc5d4fb 63 cs = 1;
ytsuboi 0:371d6cc5d4fb 64 }//spireadfont
ytsuboi 0:371d6cc5d4fb 65
ytsuboi 0:371d6cc5d4fb 66
ytsuboi 0:371d6cc5d4fb 67 /*漢字ROMとやりとり*/
ytsuboi 0:371d6cc5d4fb 68 //readFontASCII(ASCIIコード);
ytsuboi 0:371d6cc5d4fb 69 void readFontASCII(uint8_t ASCIICODE)
ytsuboi 0:371d6cc5d4fb 70 {
ytsuboi 0:371d6cc5d4fb 71 pc.printf("ASCII,0x");
ytsuboi 0:371d6cc5d4fb 72 pc.printf("%x\r\n", ASCIICODE); //10/07
ytsuboi 0:371d6cc5d4fb 73 uint32_t Address = 0;
ytsuboi 0:371d6cc5d4fb 74 /*ASCII文字*/
ytsuboi 0:371d6cc5d4fb 75 if (ASCIICODE >= 0x20 && ASCIICODE <= 0x7F)
ytsuboi 0:371d6cc5d4fb 76 Address = ( ASCIICODE - 0x20) * 16 + 255968;
ytsuboi 0:371d6cc5d4fb 77
ytsuboi 0:371d6cc5d4fb 78 /*漢字ROMにデータを送信*/
ytsuboi 0:371d6cc5d4fb 79 // Deselect the device
ytsuboi 0:371d6cc5d4fb 80 cs = 1;
ytsuboi 0:371d6cc5d4fb 81
ytsuboi 0:371d6cc5d4fb 82 // Setup the spi for 8 bit data, high steady state clock
ytsuboi 0:371d6cc5d4fb 83 spi.format(8,3);
ytsuboi 0:371d6cc5d4fb 84 spi.frequency(1000000);
ytsuboi 0:371d6cc5d4fb 85
ytsuboi 0:371d6cc5d4fb 86 // Select the device by seting chip select low
ytsuboi 0:371d6cc5d4fb 87 cs = 0;
ytsuboi 0:371d6cc5d4fb 88 spi.write(0x03);
ytsuboi 0:371d6cc5d4fb 89 spi.write(Address >> 16 & 0xff);
ytsuboi 0:371d6cc5d4fb 90 spi.write(Address >> 8 & 0xff);
ytsuboi 0:371d6cc5d4fb 91 spi.write(Address & 0xff);
ytsuboi 0:371d6cc5d4fb 92
ytsuboi 0:371d6cc5d4fb 93 /*漢字ROMからデータを受信*/
ytsuboi 0:371d6cc5d4fb 94 for (int i = 0; i < 16; i++) {
ytsuboi 0:371d6cc5d4fb 95 matrixdata16[i] = spi.write(0x00);
ytsuboi 0:371d6cc5d4fb 96 }
ytsuboi 0:371d6cc5d4fb 97 // Deselect the device
ytsuboi 0:371d6cc5d4fb 98 cs = 1;
ytsuboi 0:371d6cc5d4fb 99 }
ytsuboi 0:371d6cc5d4fb 100
ytsuboi 0:371d6cc5d4fb 101 /*シリアルモニタへ16*16のデータを表示する*/
ytsuboi 0:371d6cc5d4fb 102 void sendDotsToSerial32()
ytsuboi 0:371d6cc5d4fb 103 {
ytsuboi 0:371d6cc5d4fb 104 /*上半分*/
ytsuboi 0:371d6cc5d4fb 105 for (int i = 0; i < 8; i++) {
ytsuboi 0:371d6cc5d4fb 106 for (int b = 0; b < 16; b++) {
ytsuboi 0:371d6cc5d4fb 107 char byteDigit = (1 << i);
ytsuboi 0:371d6cc5d4fb 108 if (matrixdata32[b] & byteDigit) {
ytsuboi 0:371d6cc5d4fb 109 pc.printf("XX");
ytsuboi 0:371d6cc5d4fb 110 } else {
ytsuboi 0:371d6cc5d4fb 111 pc.printf("--");
ytsuboi 0:371d6cc5d4fb 112 }
ytsuboi 0:371d6cc5d4fb 113 }
ytsuboi 0:371d6cc5d4fb 114 pc.printf("\r\n");
ytsuboi 0:371d6cc5d4fb 115 }
ytsuboi 0:371d6cc5d4fb 116 /*下半分*/
ytsuboi 0:371d6cc5d4fb 117 for (int i = 0; i < 8; i++) {
ytsuboi 0:371d6cc5d4fb 118 for (int b = 16; b < 32 ; b++) {
ytsuboi 0:371d6cc5d4fb 119 char byteDigit = (1 << i);
ytsuboi 0:371d6cc5d4fb 120 if (matrixdata32[b] & byteDigit) {
ytsuboi 0:371d6cc5d4fb 121 pc.printf("XX");
ytsuboi 0:371d6cc5d4fb 122 } else {
ytsuboi 0:371d6cc5d4fb 123 pc.printf("--");
ytsuboi 0:371d6cc5d4fb 124 }
ytsuboi 0:371d6cc5d4fb 125 }
ytsuboi 0:371d6cc5d4fb 126 pc.printf("\r\n");
ytsuboi 0:371d6cc5d4fb 127 }
ytsuboi 0:371d6cc5d4fb 128 pc.printf("\r\n");
ytsuboi 0:371d6cc5d4fb 129 } //sendDataToSerial32
ytsuboi 0:371d6cc5d4fb 130
ytsuboi 0:371d6cc5d4fb 131
ytsuboi 0:371d6cc5d4fb 132 /*シリアルモニタへ16*8のデータを表示する*/
ytsuboi 0:371d6cc5d4fb 133 void sendDotsToSerial16()
ytsuboi 0:371d6cc5d4fb 134 {
ytsuboi 0:371d6cc5d4fb 135 /*上半分*/
ytsuboi 0:371d6cc5d4fb 136 for (int i = 0; i < 8; i++) {
ytsuboi 0:371d6cc5d4fb 137 for (int b = 0; b < 8; b++) {
ytsuboi 0:371d6cc5d4fb 138 char byteDigit = (1 << i);
ytsuboi 0:371d6cc5d4fb 139 if (matrixdata16[b] & byteDigit) {
ytsuboi 0:371d6cc5d4fb 140 pc.printf("XX");
ytsuboi 0:371d6cc5d4fb 141 } else {
ytsuboi 0:371d6cc5d4fb 142 pc.printf("--");
ytsuboi 0:371d6cc5d4fb 143 }
ytsuboi 0:371d6cc5d4fb 144 }
ytsuboi 0:371d6cc5d4fb 145 pc.printf("\r\n");
ytsuboi 0:371d6cc5d4fb 146 }
ytsuboi 0:371d6cc5d4fb 147
ytsuboi 0:371d6cc5d4fb 148 /*下半分*/
ytsuboi 0:371d6cc5d4fb 149 for (int i = 0; i < 8; i++) {
ytsuboi 0:371d6cc5d4fb 150 for (int b = 8; b < 16; b++) {
ytsuboi 0:371d6cc5d4fb 151 char byteDigit = (1 << i);
ytsuboi 0:371d6cc5d4fb 152 if (matrixdata16[b] & byteDigit) {
ytsuboi 0:371d6cc5d4fb 153 pc.printf("XX");
ytsuboi 0:371d6cc5d4fb 154 } else {
ytsuboi 0:371d6cc5d4fb 155 pc.printf("--");
ytsuboi 0:371d6cc5d4fb 156 }
ytsuboi 0:371d6cc5d4fb 157 }
ytsuboi 0:371d6cc5d4fb 158 pc.printf("\r\n");
ytsuboi 0:371d6cc5d4fb 159 }
ytsuboi 0:371d6cc5d4fb 160 pc.printf("\r\n");
ytsuboi 0:371d6cc5d4fb 161 } //sendDataToSerial32
ytsuboi 0:371d6cc5d4fb 162
ytsuboi 0:371d6cc5d4fb 163
ytsuboi 0:371d6cc5d4fb 164 /*1byteのSJISを表示する*/
ytsuboi 0:371d6cc5d4fb 165 void showSJIS1byte(uint8_t code)
ytsuboi 0:371d6cc5d4fb 166 {
ytsuboi 0:371d6cc5d4fb 167 readFontASCII(code);
ytsuboi 0:371d6cc5d4fb 168 sendDotsToSerial16();
ytsuboi 0:371d6cc5d4fb 169 }
ytsuboi 0:371d6cc5d4fb 170
ytsuboi 0:371d6cc5d4fb 171 /*2byteのSJISを表示する*/
ytsuboi 0:371d6cc5d4fb 172 //showSJIS2byte(SJIS文字コード)
ytsuboi 0:371d6cc5d4fb 173 void showSJIS2byte(unsigned short code)
ytsuboi 0:371d6cc5d4fb 174 {
ytsuboi 0:371d6cc5d4fb 175 /*Arduinoのシリアルで日本語はSJIS送信なのでSJIS->JIS X 0208変換をする*/
ytsuboi 0:371d6cc5d4fb 176 pc.printf("SJIS, 0x%x\r\n", code);
ytsuboi 0:371d6cc5d4fb 177 uint8_t c1 = ((code & 0xff00) >> 8);
ytsuboi 0:371d6cc5d4fb 178 uint8_t c2 = (code & 0xFF);
ytsuboi 0:371d6cc5d4fb 179 if (c1 >= 0xe0) {
ytsuboi 0:371d6cc5d4fb 180 c1 = c1 - 0x40;
ytsuboi 0:371d6cc5d4fb 181 }
ytsuboi 0:371d6cc5d4fb 182 if (c2 >= 0x80) {
ytsuboi 0:371d6cc5d4fb 183 c2 = c2 - 1;
ytsuboi 0:371d6cc5d4fb 184 }
ytsuboi 0:371d6cc5d4fb 185 if (c2 >= 0x9e) {
ytsuboi 0:371d6cc5d4fb 186 c1 = (c1 - 0x70) * 2;
ytsuboi 0:371d6cc5d4fb 187 c2 = c2 - 0x7d;
ytsuboi 0:371d6cc5d4fb 188 } else {
ytsuboi 0:371d6cc5d4fb 189 c1 = ((c1 - 0x70) * 2) - 1;
ytsuboi 0:371d6cc5d4fb 190 c2 = c2 - 0x1f;
ytsuboi 0:371d6cc5d4fb 191 }
ytsuboi 0:371d6cc5d4fb 192 /*読み出し*/
ytsuboi 0:371d6cc5d4fb 193 readFontJIS(c1, c2);
ytsuboi 0:371d6cc5d4fb 194 /*表示*/
ytsuboi 0:371d6cc5d4fb 195 sendDotsToSerial32();
ytsuboi 0:371d6cc5d4fb 196 }
ytsuboi 0:371d6cc5d4fb 197
ytsuboi 0:371d6cc5d4fb 198 int main()
ytsuboi 0:371d6cc5d4fb 199 {
ytsuboi 0:371d6cc5d4fb 200 while(1) {
ytsuboi 0:371d6cc5d4fb 201 if (pc.readable() > 0) {
ytsuboi 0:371d6cc5d4fb 202 /* PCからはSJISで送ること */
ytsuboi 0:371d6cc5d4fb 203 wait(0.2);//最低でも2バイト受信したい
ytsuboi 0:371d6cc5d4fb 204 uint8_t msbdata = pc.getc();//1バイト目 //10/07
ytsuboi 0:371d6cc5d4fb 205 /*SJISの1バイトコードか否か*/
ytsuboi 0:371d6cc5d4fb 206 if ( (msbdata < 0x80) || ((0xA0 < msbdata) && (msbdata <= 0xdF)) ) {
ytsuboi 0:371d6cc5d4fb 207 showSJIS1byte(msbdata);
ytsuboi 0:371d6cc5d4fb 208 } else {
ytsuboi 0:371d6cc5d4fb 209 uint8_t lsbdata = pc.getc();//2バイト目 //10/07
ytsuboi 0:371d6cc5d4fb 210 uint16_t data = ((msbdata << 8) + lsbdata); //2
ytsuboi 0:371d6cc5d4fb 211 showSJIS2byte(data);
ytsuboi 0:371d6cc5d4fb 212 }
ytsuboi 0:371d6cc5d4fb 213 }
ytsuboi 0:371d6cc5d4fb 214 }
ytsuboi 0:371d6cc5d4fb 215 }