Diff: main.cpp

Revision:

0:371d6cc5d4fb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Oct 23 07:15:15 2015 +0000
@@ -0,0 +1,215 @@
+#include "mbed.h"
+
+Serial pc(USBTX, USBRX); // tx, rx
+SPI spi(p11, p12, p13); // mosi, miso, sclk
+DigitalOut cs(p10);
+
+unsigned char matrixdata32[32]; //16×16用表示データ
+unsigned char matrixdata16[16]; //16×8用表示データ
+
+/*漢字ROMとやりとり*/
+//readFontJIS(JIS上位8bit,JIS下位8bit);
+void readFontJIS(uint8_t c1, uint8_t c2)
+{
+    /*jisx変換後の表示*/
+    pc.printf("JIS X up8 = 0x%x downn8 = 0x%x\r\n", c1, c2);
+
+    /*jisxの区点を求める*/
+    uint32_t MSB = c1 - 0x20;//区
+    uint32_t LSB = c2 - 0x20;//点
+    /*JISの句点番号で分類*/
+    uint32_t Address = 0;
+
+    pc.printf("MSB = d%d LSB = d%d\r\n", MSB, LSB);
+    /*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)*/
+    if (MSB >= 1 && MSB <= 15 && LSB >= 1 && LSB <= 94)
+        Address = ( (MSB - 1) * 94 + (LSB - 1)) * 32;
+    /*第一水準*/
+    if (MSB >= 16 && MSB <= 47 && LSB >= 1 && LSB <= 94)
+        Address = ( (MSB - 16) * 94 + (LSB - 1)) * 32 + 43584;
+    /*第二水準*/
+    if (MSB >= 48 && MSB <= 84 && LSB >= 1 && LSB <= 94)
+        Address = ((MSB - 48) * 94 + (LSB - 1)) * 32 + 138464;
+
+    /*GT20L16J1Y内部では1区と同等の内容が収録されている*/
+    if (MSB == 85 && LSB >= 0x01 && LSB <= 94)
+        Address = ((MSB - 85) * 94 + (LSB - 1)) * 32 + 246944;
+
+    /*GT20L16J1Y内部では2区、3区と同等の内容が収録されている*/
+    if (MSB >= 88 && MSB <= 89 && LSB >= 1 && LSB <= 94)
+        Address = ((MSB - 88) * 94 + (LSB - 1)) * 32 + 249952;
+
+    /*漢字ROMにデータを送信*/
+    // Deselect the device
+    cs = 1;
+    pc.printf("Address = %u \r\n", Address);
+
+    // Setup the spi for 8 bit data, high steady state clock
+    spi.format(8,3);
+    spi.frequency(1000000);
+
+    // Select the device by seting chip select low
+    cs = 0;
+    spi.write(0x03);    // Read data byte
+    spi.write(Address >> 16  & 0xff);
+    spi.write(Address >> 8   & 0xff);
+    spi.write(Address        & 0xff);
+
+    /*漢字ROMからデータを受信*/
+    for (int i = 0; i < 32; i++) {
+        matrixdata32[i] = spi.write(0x00);
+    }
+    // Deselect the device
+    cs = 1;
+}//spireadfont
+
+
+/*漢字ROMとやりとり*/
+//readFontASCII(ASCIIコード);
+void readFontASCII(uint8_t ASCIICODE)
+{
+    pc.printf("ASCII,0x");
+    pc.printf("%x\r\n", ASCIICODE); //10/07
+    uint32_t Address = 0;
+    /*ASCII文字*/
+    if (ASCIICODE >= 0x20 && ASCIICODE <= 0x7F)
+        Address = ( ASCIICODE - 0x20) * 16 + 255968;
+
+    /*漢字ROMにデータを送信*/
+    // Deselect the device
+    cs = 1;
+
+    // Setup the spi for 8 bit data, high steady state clock
+    spi.format(8,3);
+    spi.frequency(1000000);
+
+    // Select the device by seting chip select low
+    cs = 0;
+    spi.write(0x03);
+    spi.write(Address >> 16  & 0xff);
+    spi.write(Address >> 8   & 0xff);
+    spi.write(Address        & 0xff);
+
+    /*漢字ROMからデータを受信*/
+    for (int i = 0; i < 16; i++) {
+        matrixdata16[i] = spi.write(0x00);
+    }
+    // Deselect the device
+    cs = 1;
+}
+
+/*シリアルモニタへ16*16のデータを表示する*/
+void sendDotsToSerial32()
+{
+    /*上半分*/
+    for (int i = 0; i < 8; i++) {
+        for (int b = 0; b < 16; b++) {
+            char byteDigit = (1 << i);
+            if (matrixdata32[b] & byteDigit) {
+                pc.printf("XX");
+            } else {
+                pc.printf("--");
+            }
+        }
+        pc.printf("\r\n");
+    }
+    /*下半分*/
+    for (int i = 0; i < 8; i++) {
+        for (int b = 16; b < 32 ; b++) {
+            char byteDigit = (1 << i);
+            if (matrixdata32[b] & byteDigit) {
+                pc.printf("XX");
+            } else {
+                pc.printf("--");
+            }
+        }
+        pc.printf("\r\n");
+    }
+    pc.printf("\r\n");
+} //sendDataToSerial32
+
+
+/*シリアルモニタへ16*8のデータを表示する*/
+void sendDotsToSerial16()
+{
+    /*上半分*/
+    for (int i = 0; i < 8; i++) {
+        for (int b = 0; b < 8; b++) {
+            char byteDigit = (1 << i);
+            if (matrixdata16[b] & byteDigit) {
+                pc.printf("XX");
+            } else {
+                pc.printf("--");
+            }
+        }
+        pc.printf("\r\n");
+    }
+
+    /*下半分*/
+    for (int i = 0; i < 8; i++) {
+        for (int b = 8; b < 16; b++) {
+            char byteDigit = (1 << i);
+            if (matrixdata16[b] & byteDigit) {
+                pc.printf("XX");
+            } else {
+                pc.printf("--");
+            }
+        }
+        pc.printf("\r\n");
+    }
+    pc.printf("\r\n");
+} //sendDataToSerial32
+
+
+/*1byteのSJISを表示する*/
+void showSJIS1byte(uint8_t code)
+{
+    readFontASCII(code);
+    sendDotsToSerial16();
+}
+
+/*2byteのSJISを表示する*/
+//showSJIS2byte(SJIS文字コード)
+void showSJIS2byte(unsigned short code)
+{
+    /*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*/
+    pc.printf("SJIS, 0x%x\r\n", code);
+    uint8_t c1 = ((code & 0xff00) >> 8);
+    uint8_t c2 = (code & 0xFF);
+    if (c1 >= 0xe0) {
+        c1 = c1 - 0x40;
+    }
+    if (c2 >= 0x80) {
+        c2 = c2 - 1;
+    }
+    if (c2 >= 0x9e) {
+        c1 = (c1 - 0x70) * 2;
+        c2 = c2 - 0x7d;
+    } else {
+        c1 = ((c1 - 0x70) * 2) - 1;
+        c2 = c2 - 0x1f;
+    }
+    /*読み出し*/
+    readFontJIS(c1, c2);
+    /*表示*/
+    sendDotsToSerial32();
+}
+
+int main()
+{
+    while(1) {
+        if (pc.readable() > 0) {
+            /* PCからはSJISで送ること */
+            wait(0.2);//最低でも2バイト受信したい
+            uint8_t msbdata = pc.getc();//1バイト目 //10/07
+            /*SJISの1バイトコードか否か*/
+            if ( (msbdata < 0x80) || ((0xA0 < msbdata) && (msbdata <= 0xdF)) ) {
+                showSJIS1byte(msbdata);
+            } else {
+                uint8_t lsbdata = pc.getc();//2バイト目 //10/07
+                uint16_t data =  ((msbdata << 8) + lsbdata); //2
+                showSJIS2byte(data);
+            }
+        }
+    }
+}