Diff: GT20L16Y1J_font.cpp

Revision:

3:48c4a173bdab

Parent:

2:aed20a7685b9

--- a/GT20L16Y1J_font.cpp	Thu Sep 04 06:54:40 2014 +0000
+++ b/GT20L16Y1J_font.cpp	Sun Sep 21 08:04:40 2014 +0000
@@ -1,6 +1,40 @@
 #include "mbed.h"
 #include "GT20L16J1Y_font.h"
 
+#define GT20L16J1Y_REMAP_ASCIIFONT  1
+#define GT20L16J1Y_ENABLE_JISX0201  1
+
+#if GT20L16J1Y_REMAP_ASCIIFONT
+const uint16_t ascii_fontmap[] = {
+0x0000, 0x015E, 0x0002, 0x007E, 0x0004, 0x0005, 0x0162, 0x0007, 
+0x006E, 0x006F, 0x007D, 0x000B, 0x000C, 0x000D, 0x000E, 0x007F, 
+0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067, 
+0x0068, 0x0069, 0x006C, 0x006D, 0x001C, 0x001D, 0x001E, 0x015F, 
+0x015D, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126, 0x0127, 
+0x0128, 0x0129, 0x012A, 0x012B, 0x012C, 0x012D, 0x012E, 0x012F, 
+0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136, 0x0137, 
+0x0138, 0x0139, 0x013A, 0x003B, 0x003C, 0x003D, 0x003E, 0x003F, 
+0x0040, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0146, 0x0147, 
+0x0148, 0x0149, 0x014A, 0x014B, 0x014C, 0x014D, 0x014E, 0x014F, 
+0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155, 0x0156, 0x0157, 
+0x0158, 0x0159, 0x015A, 0x005B, 0x005C, 0x005D, 0x005E, 0x005F, 
+};
+#endif
+
+#if GT20L16J1Y_ENABLE_JISX0201
+const uint8_t jisx0201_fontmap[] = {
+      0x0B, 0x1B, 0x1C, 0x0A, 0x50, 0x7E, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x13, 0x14, 0x15, 0x60, 
+0x90, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, 
+0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 
+0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7F, 0xFB, 0xFC, 
+};
+
+const uint8_t font_glyph_00A5[] = {
+0x00, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 
+};
+#endif
+
 #if defined(TARGET_LPC1768)
 GT20L16J1Y_FONT::GT20L16J1Y_FONT() : _spi(p11, p12, p13), _CS(p10) {
 }
@@ -8,6 +42,9 @@
 
 GT20L16J1Y_FONT::GT20L16J1Y_FONT(PinName mosi, PinName miso, PinName sclk, PinName cs) : _spi(mosi, miso, sclk, NC), _CS(cs)
 {
+    // Deselect the device
+    _CS = 1;
+    
     // Setup the spi for 8 bit data, high steady state clock
     _spi.format(8,3);
     _spi.frequency(10000000);
@@ -33,11 +70,26 @@
     else if(MSB >= 88 && MSB <= 89 && LSB >= 1 && LSB <= 94)
         address = ((MSB - 88) * 94 + (LSB - 1))*32 + 0x3D060L;
     else if(MSB == 0 && LSB >= 0x20 && LSB <= 0x7F)
+#if GT20L16J1Y_REMAP_ASCIIFONT
+        address = ascii_fontmap[LSB - 0x20]*16 + 255968; // 0x3E7E0
+#else
         address = (LSB - 0x20)*16 + 255968;
+#endif
+#if GT20L16J1Y_ENABLE_JISX0201
+    else if(MSB == 0 && LSB == 0xA5) { // Font patch (0x00A5)
+        memcpy(bitmap, font_glyph_00A5, 16);
+        return 8;
+    }
+    else if(MSB == 0 && LSB >= 0xA1 && LSB <= 0xDF) // JIS X 0201
+        address = jisx0201_fontmap[LSB - 0xA1]*16 + 257504; // 0x3EDE0
+#endif
     
     // Deselect the device
     _CS = 1;
     
+    //_spi.begin();
+    _spi.write(0);  // Dummy (mbed: change SPI owner and SPI format.)
+    
     // Select the device by seting chip select low
     _CS = 0;
     _spi.write(0x03);    // Read data byte
@@ -45,7 +97,11 @@
     _spi.write(address>>8 & 0xff);
     _spi.write(address & 0xff);
     
+#if GT20L16J1Y_ENABLE_JISX0201
+    if(MSB == 0 && (LSB >= 0x20 && LSB <= 0x7F) || (LSB >= 0xA1 && LSB <= 0xDF)) {
+#else
     if(MSB == 0 && LSB >= 0x20 && LSB <= 0x7F) {
+#endif
         for(int i=0; i<16; i++)
         {
             bitmap[i] = _spi.write(0x00);
@@ -66,7 +122,7 @@
     return ret;
 }
 
-void GT20L16J1Y_FONT::read(unsigned short code) {
+int GT20L16J1Y_FONT::read(unsigned short code) {
     unsigned char c1, c2, MSB, LSB;
     uint32_t seq;
     uint16_t address;
@@ -79,5 +135,28 @@
     LSB = seq % 94 + 1;
     
     address = ((MSB << 8) | LSB);
-    read_kuten(address);
+    return read_kuten(address);
 }
+
+void GT20L16J1Y_FONT::read_direct(unsigned long address) {
+    // Deselect the device
+    _CS = 1;
+    
+    //_spi.begin();
+    _spi.write(0);  // Dummy (mbed: change SPI owner and SPI format.)
+    
+    // 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);
+    
+    for(int i=0; i<32; i++)
+    {
+        bitmap[i] = _spi.write(0x00);
+    }
+
+    // Deselect the device
+    _CS = 1;
+}