Michael Spencer
Fork of Smoothie to port to mbed non-LPC targets.
Fork of
Smoothie
by 
Stéphane Cachat
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RrdGlcd.cpp
00001 #include "RrdGlcd.h" 00002 00003 #include "platform_memory.h" 00004 00005 static const uint8_t font5x8[] = { 00006 // 5x8 font each byte is consecutive x bits left aligned then each subsequent byte is Y 8 bytes per character 00007 // TODO probably only need someof these characters not all 256 00008 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x70,0xF8,0xA8,0xF8,0xD8,0x88,0x70,0x00, // 0x00, 0x01 00009 0x70,0xF8,0xA8,0xF8,0x88,0xD8,0x70,0x00, 0x00,0x50,0xF8,0xF8,0xF8,0x70,0x20,0x00, // 0x02, 0x03 00010 0x00,0x20,0x70,0xF8,0xF8,0x70,0x20,0x00, 0x70,0x50,0xF8,0xA8,0xF8,0x20,0x70,0x00, // 0x04, 0x05 00011 0x20,0x70,0xF8,0xF8,0xF8,0x20,0x70,0x00, 0x00,0x00,0x20,0x70,0x70,0x20,0x00,0x00, // 0x06, 0x07 00012 0xF8,0xF8,0xD8,0x88,0x88,0xD8,0xF8,0xF8, 0x00,0x00,0x20,0x50,0x50,0x20,0x00,0x00, // 0x08, 0x09 00013 0xF8,0xF8,0xD8,0xA8,0xA8,0xD8,0xF8,0xF8, 0x00,0x38,0x18,0x68,0xA0,0xA0,0x40,0x00, // 0x0A, 0x0B 00014 0x70,0x88,0x88,0x70,0x20,0xF8,0x20,0x00, 0x78,0x48,0x78,0x40,0x40,0x40,0xC0,0x00, // 0x0C, 0x0D 00015 0x78,0x48,0x78,0x48,0x48,0x58,0xC0,0x00, 0x20,0xA8,0x70,0xD8,0xD8,0x70,0xA8,0x20, // 0x0E, 0x0F 00016 0x80,0xC0,0xF0,0xF8,0xF0,0xC0,0x80,0x00, 0x08,0x18,0x78,0xF8,0x78,0x18,0x08,0x00, // 0x10, 0x11 00017 0x20,0x70,0xA8,0x20,0xA8,0x70,0x20,0x00, 0xD8,0xD8,0xD8,0xD8,0xD8,0x00,0xD8,0x00, // 0x12, 0x13 00018 0x78,0xA8,0xA8,0x68,0x28,0x28,0x28,0x00, 0x30,0x48,0x50,0x28,0x10,0x48,0x48,0x30, // 0x14, 0x15 00019 0x00,0x00,0x00,0x00,0x00,0xF8,0xF8,0x00, 0x20,0x70,0xA8,0x20,0xA8,0x70,0x20,0xF8, // 0x16, 0x17 00020 0x00,0x20,0x70,0xA8,0x20,0x20,0x20,0x00, 0x00,0x20,0x20,0x20,0xA8,0x70,0x20,0x00, // 0x18, 0x19 00021 0x00,0x20,0x10,0xF8,0x10,0x20,0x00,0x00, 0x00,0x20,0x40,0xF8,0x40,0x20,0x00,0x00, // 0x1A, 0x1B 00022 0x00,0x80,0x80,0x80,0xF8,0x00,0x00,0x00, 0x00,0x50,0xF8,0xF8,0x50,0x00,0x00,0x00, // 0x1C, 0x1D 00023 0x00,0x20,0x20,0x70,0xF8,0xF8,0x00,0x00, 0x00,0xF8,0xF8,0x70,0x20,0x20,0x00,0x00, // 0x1E, 0x1F 00024 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x20,0x20,0x20,0x20,0x20,0x00,0x20,0x00, // 0x20, 0x21 00025 0x50,0x50,0x50,0x00,0x00,0x00,0x00,0x00, 0x50,0x50,0xF8,0x50,0xF8,0x50,0x50,0x00, // 0x22, 0x23 00026 0x20,0x78,0xA0,0x70,0x28,0xF0,0x20,0x00, 0xC0,0xC8,0x10,0x20,0x40,0x98,0x18,0x00, // 0x24, 0x25 00027 0x40,0xA0,0xA0,0x40,0xA8,0x90,0x68,0x00, 0x30,0x30,0x20,0x40,0x00,0x00,0x00,0x00, // 0x26, 0x27 00028 0x10,0x20,0x40,0x40,0x40,0x20,0x10,0x00, 0x40,0x20,0x10,0x10,0x10,0x20,0x40,0x00, // 0x28, 0x29 00029 0x20,0xA8,0x70,0xF8,0x70,0xA8,0x20,0x00, 0x00,0x20,0x20,0xF8,0x20,0x20,0x00,0x00, // 0x2A, 0x2B 00030 0x00,0x00,0x00,0x00,0x30,0x30,0x20,0x40, 0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00, // 0x2C, 0x2D 00031 0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00, 0x00,0x08,0x10,0x20,0x40,0x80,0x00,0x00, // 0x2E, 0x2F 00032 0x70,0x88,0x98,0xA8,0xC8,0x88,0x70,0x00, 0x20,0x60,0x20,0x20,0x20,0x20,0x70,0x00, // 0x30, 0x31 00033 0x70,0x88,0x08,0x70,0x80,0x80,0xF8,0x00, 0xF8,0x08,0x10,0x30,0x08,0x88,0x70,0x00, // 0x32, 0x33 00034 0x10,0x30,0x50,0x90,0xF8,0x10,0x10,0x00, 0xF8,0x80,0xF0,0x08,0x08,0x88,0x70,0x00, // 0x34, 0x35 00035 0x38,0x40,0x80,0xF0,0x88,0x88,0x70,0x00, 0xF8,0x08,0x08,0x10,0x20,0x40,0x80,0x00, // 0x36, 0x37 00036 0x70,0x88,0x88,0x70,0x88,0x88,0x70,0x00, 0x70,0x88,0x88,0x78,0x08,0x10,0xE0,0x00, // 0x38, 0x39 00037 0x00,0x00,0x20,0x00,0x20,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x20,0x20,0x40,0x00, // 0x3A, 0x3B 00038 0x08,0x10,0x20,0x40,0x20,0x10,0x08,0x00, 0x00,0x00,0xF8,0x00,0xF8,0x00,0x00,0x00, // 0x3C, 0x3D 00039 0x40,0x20,0x10,0x08,0x10,0x20,0x40,0x00, 0x70,0x88,0x08,0x30,0x20,0x00,0x20,0x00, // 0x3E, 0x3F 00040 0x70,0x88,0xA8,0xB8,0xB0,0x80,0x78,0x00, 0x20,0x50,0x88,0x88,0xF8,0x88,0x88,0x00, // 0x40, 0x41 00041 0xF0,0x88,0x88,0xF0,0x88,0x88,0xF0,0x00, 0x70,0x88,0x80,0x80,0x80,0x88,0x70,0x00, // 0x42, 0x43 00042 0xF0,0x88,0x88,0x88,0x88,0x88,0xF0,0x00, 0xF8,0x80,0x80,0xF0,0x80,0x80,0xF8,0x00, // 0x44, 0x45 00043 0xF8,0x80,0x80,0xF0,0x80,0x80,0x80,0x00, 0x78,0x88,0x80,0x80,0x98,0x88,0x78,0x00, // 0x46, 0x47 00044 0x88,0x88,0x88,0xF8,0x88,0x88,0x88,0x00, 0x70,0x20,0x20,0x20,0x20,0x20,0x70,0x00, // 0x48, 0x49 00045 0x38,0x10,0x10,0x10,0x10,0x90,0x60,0x00, 0x88,0x90,0xA0,0xC0,0xA0,0x90,0x88,0x00, // 0x4A, 0x4B 00046 0x80,0x80,0x80,0x80,0x80,0x80,0xF8,0x00, 0x88,0xD8,0xA8,0xA8,0xA8,0x88,0x88,0x00, // 0x4C, 0x4D 00047 0x88,0x88,0xC8,0xA8,0x98,0x88,0x88,0x00, 0x70,0x88,0x88,0x88,0x88,0x88,0x70,0x00, // 0x4E, 0x4F 00048 0xF0,0x88,0x88,0xF0,0x80,0x80,0x80,0x00, 0x70,0x88,0x88,0x88,0xA8,0x90,0x68,0x00, // 0x50, 0x51 00049 0xF0,0x88,0x88,0xF0,0xA0,0x90,0x88,0x00, 0x70,0x88,0x80,0x70,0x08,0x88,0x70,0x00, // 0x52, 0x53 00050 0xF8,0xA8,0x20,0x20,0x20,0x20,0x20,0x00, 0x88,0x88,0x88,0x88,0x88,0x88,0x70,0x00, // 0x54, 0x55 00051 0x88,0x88,0x88,0x88,0x88,0x50,0x20,0x00, 0x88,0x88,0x88,0xA8,0xA8,0xA8,0x50,0x00, // 0x56, 0x57 00052 0x88,0x88,0x50,0x20,0x50,0x88,0x88,0x00, 0x88,0x88,0x50,0x20,0x20,0x20,0x20,0x00, // 0x58, 0x59 00053 0xF8,0x08,0x10,0x70,0x40,0x80,0xF8,0x00, 0x78,0x40,0x40,0x40,0x40,0x40,0x78,0x00, // 0x5A, 0x5B 00054 0x00,0x80,0x40,0x20,0x10,0x08,0x00,0x00, 0x78,0x08,0x08,0x08,0x08,0x08,0x78,0x00, // 0x5C, 0x5D 00055 0x20,0x50,0x88,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0xF8,0x00, // 0x5E, 0x5F 00056 0x60,0x60,0x20,0x10,0x00,0x00,0x00,0x00, 0x00,0x00,0x60,0x10,0x70,0x90,0x78,0x00, // 0x60, 0x61 00057 0x80,0x80,0xB0,0xC8,0x88,0xC8,0xB0,0x00, 0x00,0x00,0x70,0x88,0x80,0x88,0x70,0x00, // 0x62, 0x63 00058 0x08,0x08,0x68,0x98,0x88,0x98,0x68,0x00, 0x00,0x00,0x70,0x88,0xF8,0x80,0x70,0x00, // 0x64, 0x65 00059 0x10,0x28,0x20,0x70,0x20,0x20,0x20,0x00, 0x00,0x00,0x70,0x98,0x98,0x68,0x08,0x70, // 0x66, 0x67 00060 0x80,0x80,0xB0,0xC8,0x88,0x88,0x88,0x00, 0x20,0x00,0x60,0x20,0x20,0x20,0x70,0x00, // 0x68, 0x69 00061 0x10,0x00,0x10,0x10,0x10,0x90,0x60,0x00, 0x80,0x80,0x90,0xA0,0xC0,0xA0,0x90,0x00, // 0x6A, 0x6B 00062 0x60,0x20,0x20,0x20,0x20,0x20,0x70,0x00, 0x00,0x00,0xD0,0xA8,0xA8,0xA8,0xA8,0x00, // 0x6C, 0x6D 00063 0x00,0x00,0xB0,0xC8,0x88,0x88,0x88,0x00, 0x00,0x00,0x70,0x88,0x88,0x88,0x70,0x00, // 0x6E, 0x6F 00064 0x00,0x00,0xB0,0xC8,0xC8,0xB0,0x80,0x80, 0x00,0x00,0x68,0x98,0x98,0x68,0x08,0x08, // 0x70, 0x71 00065 0x00,0x00,0xB0,0xC8,0x80,0x80,0x80,0x00, 0x00,0x00,0x78,0x80,0x70,0x08,0xF0,0x00, // 0x72, 0x73 00066 0x20,0x20,0xF8,0x20,0x20,0x28,0x10,0x00, 0x00,0x00,0x88,0x88,0x88,0x98,0x68,0x00, // 0x74, 0x75 00067 0x00,0x00,0x88,0x88,0x88,0x50,0x20,0x00, 0x00,0x00,0x88,0x88,0xA8,0xA8,0x50,0x00, // 0x76, 0x77 00068 0x00,0x00,0x88,0x50,0x20,0x50,0x88,0x00, 0x00,0x00,0x88,0x88,0x78,0x08,0x88,0x70, // 0x78, 0x79 00069 0x00,0x00,0xF8,0x10,0x20,0x40,0xF8,0x00, 0x10,0x20,0x20,0x40,0x20,0x20,0x10,0x00, // 0x7A, 0x7B 00070 0x20,0x20,0x20,0x00,0x20,0x20,0x20,0x00, 0x40,0x20,0x20,0x10,0x20,0x20,0x40,0x00, // 0x7C, 0x7D 00071 0x80,0xC0,0xF0,0xF8,0xF0,0xC0,0x80,0x00, 0x20,0x70,0xD8,0x88,0x88,0xF8,0x00,0x00, // 0x7E, 0x7F // 7e ~ = 0x40,0xA8,0x10,0x00,0x00,0x00,0x00,0x00 00072 0x70,0x88,0x80,0x80,0x88,0x70,0x10,0x60, 0x00,0x88,0x00,0x88,0x88,0x98,0x68,0x00, // 0x80, 0x81 00073 0x18,0x00,0x70,0x88,0xF8,0x80,0x78,0x00, 0xF8,0x00,0x60,0x10,0x70,0x90,0x78,0x00, // 0x82, 0x83 00074 0x88,0x00,0x60,0x10,0x70,0x90,0x78,0x00, 0xC0,0x00,0x60,0x10,0x70,0x90,0x78,0x00, // 0x84, 0x85 00075 0x30,0x00,0x60,0x10,0x70,0x90,0x78,0x00, 0x00,0x78,0xC0,0xC0,0x78,0x10,0x30,0x00, // 0x86, 0x87 00076 0xF8,0x00,0x70,0x88,0xF8,0x80,0x78,0x00, 0x88,0x00,0x70,0x88,0xF8,0x80,0x78,0x00, // 0x88, 0x89 00077 0xC0,0x00,0x70,0x88,0xF8,0x80,0x78,0x00, 0x28,0x00,0x30,0x10,0x10,0x10,0x38,0x00, // 0x8A, 0x8B 00078 0x30,0x48,0x30,0x10,0x10,0x10,0x38,0x00, 0x60,0x00,0x30,0x10,0x10,0x10,0x38,0x00, // 0x8C, 0x8D 00079 0x50,0x00,0x20,0x50,0x88,0xF8,0x88,0x88, 0x20,0x00,0x20,0x50,0x88,0xF8,0x88,0x88, // 0x8E, 0x8F 00080 0x30,0x00,0xF0,0x80,0xE0,0x80,0xF0,0x00, 0x00,0x00,0x78,0x10,0x78,0x90,0x78,0x00, // 0x90, 0x91 00081 0x38,0x50,0x90,0xF8,0x90,0x90,0x98,0x00, 0x70,0x88,0x00,0x70,0x88,0x88,0x70,0x00, // 0x92, 0x93 00082 0x00,0x88,0x00,0x70,0x88,0x88,0x70,0x00, 0x00,0xC0,0x00,0x70,0x88,0x88,0x70,0x00, // 0x94, 0x95 00083 0x70,0x88,0x00,0x88,0x88,0x98,0x68,0x00, 0x00,0xC0,0x00,0x88,0x88,0x98,0x68,0x00, // 0x96, 0x97 00084 0x48,0x00,0x48,0x48,0x48,0x38,0x08,0x70, 0x88,0x00,0x70,0x88,0x88,0x88,0x70,0x00, // 0x98, 0x99 00085 0x88,0x00,0x88,0x88,0x88,0x88,0x70,0x00, 0x20,0x20,0xF8,0xA0,0xA0,0xF8,0x20,0x20, // 0x9A, 0x9B 00086 0x30,0x58,0x48,0xE0,0x40,0x48,0xF8,0x00, 0xD8,0xD8,0x70,0xF8,0x20,0xF8,0x20,0x20, // 0x9C, 0x9D 00087 0xE0,0x90,0x90,0xE0,0x90,0xB8,0x90,0x90, 0x18,0x28,0x20,0x70,0x20,0x20,0xA0,0xC0, // 0x9E, 0x9F 00088 0x18,0x00,0x60,0x10,0x70,0x90,0x78,0x00, 0x18,0x00,0x30,0x10,0x10,0x10,0x38,0x00, // 0xA0, 0xA1 00089 0x00,0x18,0x00,0x70,0x88,0x88,0x70,0x00, 0x00,0x18,0x00,0x88,0x88,0x98,0x68,0x00, // 0xA2, 0xA3 00090 0x00,0x78,0x00,0x70,0x48,0x48,0x48,0x00, 0xF8,0x00,0xC8,0xE8,0xB8,0x98,0x88,0x00, // 0xA4, 0xA5 00091 0x70,0x90,0x90,0x78,0x00,0xF8,0x00,0x00, 0x70,0x88,0x88,0x70,0x00,0xF8,0x00,0x00, // 0xA6, 0xA7 00092 0x20,0x00,0x20,0x60,0x80,0x88,0x70,0x00, 0x00,0x00,0x00,0xF8,0x80,0x80,0x00,0x00, // 0xA8, 0xA9 00093 0x00,0x00,0x00,0xF8,0x08,0x08,0x00,0x00, 0x80,0x88,0x90,0xB8,0x48,0x98,0x20,0x38, // 0xAA, 0xAB 00094 0x80,0x88,0x90,0xA8,0x58,0xB8,0x08,0x08, 0x20,0x20,0x00,0x20,0x20,0x20,0x20,0x00, // 0xAC, 0xAD 00095 0x00,0x28,0x50,0xA0,0x50,0x28,0x00,0x00, 0x00,0xA0,0x50,0x28,0x50,0xA0,0x00,0x00, // 0xAE, 0xAF 00096 0x20,0x88,0x20,0x88,0x20,0x88,0x20,0x88, 0x50,0xA8,0x50,0xA8,0x50,0xA8,0x50,0xA8, // 0xB0, 0xB1 00097 0xA8,0x50,0xA8,0x50,0xA8,0x50,0xA8,0x50, 0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10, // 0xB2, 0xB3 00098 0x10,0x10,0x10,0x10,0xF0,0x10,0x10,0x10, 0x10,0x10,0xF0,0x10,0xF0,0x10,0x10,0x10, // 0xB4, 0xB5 00099 0x28,0x28,0x28,0x28,0xE8,0x28,0x28,0x28, 0x00,0x00,0x00,0x00,0xF8,0x28,0x28,0x28, // 0xB6, 0xB7 00100 0x00,0x00,0xF0,0x10,0xF0,0x10,0x10,0x10, 0x28,0x28,0xE8,0x08,0xE8,0x28,0x28,0x28, // 0xB8, 0xB9 00101 0x28,0x28,0x28,0x28,0x28,0x28,0x28,0x28, 0x00,0x00,0xF8,0x08,0xE8,0x28,0x28,0x28, // 0xBA, 0xBB 00102 0x28,0x28,0xE8,0x08,0xF8,0x00,0x00,0x00, 0x28,0x28,0x28,0x28,0xF8,0x00,0x00,0x00, // 0xBC, 0xBD 00103 0x10,0x10,0xF0,0x10,0xF0,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0xF0,0x10,0x10,0x10, // 0xBE, 0xBF 00104 0x10,0x10,0x10,0x10,0x18,0x00,0x00,0x00, 0x10,0x10,0x10,0x10,0xF8,0x00,0x00,0x00, // 0xC0, 0xC1 00105 0x00,0x00,0x00,0x00,0xF8,0x10,0x10,0x10, 0x10,0x10,0x10,0x10,0x18,0x10,0x10,0x10, // 0xC2, 0xC3 00106 0x00,0x00,0x00,0x00,0xF8,0x00,0x00,0x00, 0x10,0x10,0x10,0x10,0xF8,0x10,0x10,0x10, // 0xC4, 0xC5 00107 0x10,0x10,0x18,0x10,0x18,0x10,0x10,0x10, 0x28,0x28,0x28,0x28,0x28,0x28,0x28,0x28, // 0xC6, 0xC7 00108 0x28,0x28,0x28,0x20,0x38,0x00,0x00,0x00, 0x00,0x00,0x38,0x20,0x28,0x28,0x28,0x28, // 0xC8, 0xC9 00109 0x28,0x28,0xE8,0x00,0xF8,0x00,0x00,0x00, 0x00,0x00,0xF8,0x00,0xE8,0x28,0x28,0x28, // 0xCA, 0xCB 00110 0x28,0x28,0x28,0x20,0x28,0x28,0x28,0x28, 0x00,0x00,0xF8,0x00,0xF8,0x00,0x00,0x00, // 0xCC, 0xCD 00111 0x28,0x28,0xE8,0x00,0xE8,0x28,0x28,0x28, 0x10,0x10,0xF8,0x00,0xF8,0x00,0x00,0x00, // 0xCE, 0xCF 00112 0x28,0x28,0x28,0x28,0xF8,0x00,0x00,0x00, 0x00,0x00,0xF8,0x00,0xF8,0x10,0x10,0x10, // 0xD0, 0xD1 00113 0x00,0x00,0x00,0x00,0xF8,0x28,0x28,0x28, 0x28,0x28,0x28,0x28,0x38,0x00,0x00,0x00, // 0xD2, 0xD3 00114 0x10,0x10,0x18,0x10,0x18,0x00,0x00,0x00, 0x00,0x00,0x18,0x10,0x18,0x10,0x10,0x10, // 0xD4, 0xD5 00115 0x00,0x00,0x00,0x00,0x38,0x28,0x28,0x28, 0x28,0x28,0x28,0x28,0xF8,0x28,0x28,0x28, // 0xD6, 0xD7 00116 0x10,0x10,0xF8,0x10,0xF8,0x10,0x10,0x10, 0x10,0x10,0x10,0x10,0xF0,0x00,0x00,0x00, // 0xD8, 0xD9 00117 0x00,0x00,0x00,0x00,0x18,0x10,0x10,0x10, 0xF8,0xF8,0xF8,0xF8,0xF8,0xF8,0xF8,0xF8, // 0xDA, 0xDB 00118 0x00,0x00,0x00,0x00,0xF8,0xF8,0xF8,0xF8, 0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0, // 0xDC, 0xDD 00119 0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18, 0xF8,0xF8,0xF8,0xF8,0x00,0x00,0x00,0x00, // 0xDE, 0xDF 00120 0x00,0x00,0x68,0x90,0x90,0x90,0x68,0x00, 0x00,0x70,0x98,0xF0,0x98,0xF0,0x80,0x00, // 0xE0, 0xE1 00121 0x00,0xF8,0x98,0x80,0x80,0x80,0x80,0x00, 0x00,0xF8,0x50,0x50,0x50,0x50,0x50,0x00, // 0xE2, 0xE3 00122 0xF8,0x88,0x40,0x20,0x40,0x88,0xF8,0x00, 0x00,0x00,0x78,0x90,0x90,0x90,0x60,0x00, // 0xE4, 0xE5 00123 0x00,0x50,0x50,0x50,0x50,0x68,0xC0,0x00, 0x00,0xF8,0xA0,0x20,0x20,0x20,0x20,0x00, // 0xE6, 0xE7 00124 0xF8,0x20,0x70,0x88,0x88,0x70,0x20,0xF8, 0x20,0x50,0x88,0xF8,0x88,0x50,0x20,0x00, // 0xE8, 0xE9 00125 0x20,0x50,0x88,0x88,0x50,0x50,0xD8,0x00, 0x30,0x40,0x30,0x70,0x88,0x88,0x70,0x00, // 0xEA, 0xEB 00126 0x00,0x00,0x00,0x70,0xA8,0xA8,0x70,0x00, 0x08,0x70,0x98,0xA8,0xA8,0xC8,0x70,0x80, // 0xEC, 0xED 00127 0x70,0x80,0x80,0xF0,0x80,0x80,0x70,0x00, 0x70,0x88,0x88,0x88,0x88,0x88,0x88,0x00, // 0xEE, 0xEF 00128 0x00,0xF8,0x00,0xF8,0x00,0xF8,0x00,0x00, 0x20,0x20,0xF8,0x20,0x20,0x00,0xF8,0x00, // 0xF0, 0xF1 00129 0x40,0x20,0x10,0x20,0x40,0x00,0xF8,0x00, 0x10,0x20,0x40,0x20,0x10,0x00,0xF8,0x00, // 0xF2, 0xF3 00130 0x38,0x28,0x20,0x20,0x20,0x20,0x20,0x20, 0x20,0x20,0x20,0x20,0x20,0xA0,0xA0,0xE0, // 0xF4, 0xF5 00131 0x30,0x30,0x00,0xF8,0x00,0x30,0x30,0x00, 0x00,0xE8,0xB8,0x00,0xE8,0xB8,0x00,0x00, // 0xF6, 0xF7 00132 0x70,0xD8,0xD8,0x70,0x00,0x00,0x00,0x00, 0x50,0x20,0x00,0x00,0x00,0x00,0x08,0x00, // 0xF8, 0xF9 00133 0x00,0x00,0x00,0x00,0x30,0x00,0x00,0x00, 0x38,0x20,0x20,0x20,0xA0,0xA0,0x60,0x20, // 0xFA, 0xFB 00134 0x70,0x48,0x48,0x48,0x48,0x00,0x00,0x00, 0x70,0x18,0x30,0x60,0x78,0x00,0x00,0x00, // 0xFC, 0xFD 00135 0x00,0x00,0x78,0x78,0x78,0x78,0x00,0x00 00136 }; 00137 00138 #define ST7920_CS() {cs.set(1);wait_us(10);} 00139 #define ST7920_NCS() {cs.set(0);wait_us(10);} 00140 #define ST7920_WRITE_BYTE(a) {this->spi->write((a)&0xf0);this->spi->write((a)<<4);wait_us(10);} 00141 #define ST7920_WRITE_BYTES(p,l) {uint8_t i;for(i=0;i<l;i++){this->spi->write(*p&0xf0);this->spi->write(*p<<4);p++;} wait_us(10); } 00142 #define ST7920_SET_CMD() {this->spi->write(0xf8);wait_us(10);} 00143 #define ST7920_SET_DAT() {this->spi->write(0xfa);wait_us(10);} 00144 #define PAGE_HEIGHT 32 //512 byte framebuffer 00145 #define WIDTH 128 00146 #define HEIGHT 64 00147 #define FB_SIZE WIDTH*HEIGHT/8 00148 00149 RrdGlcd::RrdGlcd(PinName mosi, PinName sclk, Pin cs) { 00150 this->spi= new mbed::SPI(mosi, NC, sclk); 00151 //chip select 00152 this->cs= cs; 00153 this->cs.set(0); 00154 fb= (uint8_t *)AHB0.alloc(FB_SIZE); // grab some memoery from USB_RAM 00155 if(fb == NULL) { 00156 THEKERNEL->streams->printf("Not enough memory available for frame buffer"); 00157 } 00158 inited= false; 00159 dirty= false; 00160 } 00161 00162 RrdGlcd::~RrdGlcd() { 00163 delete this->spi; 00164 AHB0.dealloc(fb); 00165 } 00166 00167 void RrdGlcd::setFrequency(int freq) { 00168 this->spi->frequency(freq); 00169 } 00170 00171 void RrdGlcd::initDisplay() { 00172 if(fb == NULL) return; 00173 ST7920_CS(); 00174 clearScreen(); // clear framebuffer 00175 wait_ms(90); //initial delay for boot up 00176 ST7920_SET_CMD(); 00177 ST7920_WRITE_BYTE(0x08); //display off, cursor+blink off 00178 ST7920_WRITE_BYTE(0x01); //clear CGRAM ram 00179 wait_ms(10); //delay for cgram clear 00180 ST7920_WRITE_BYTE(0x3E); //extended mode + gdram active 00181 for(int y=0;y<HEIGHT/2;y++) //clear GDRAM 00182 { 00183 ST7920_WRITE_BYTE(0x80|y); //set y 00184 ST7920_WRITE_BYTE(0x80); //set x = 0 00185 ST7920_SET_DAT(); 00186 for(int i=0;i<2*WIDTH/8;i++) //2x width clears both segments 00187 ST7920_WRITE_BYTE(0); 00188 ST7920_SET_CMD(); 00189 } 00190 ST7920_WRITE_BYTE(0x0C); //display on, cursor+blink off 00191 ST7920_NCS(); 00192 inited= true; 00193 } 00194 00195 void RrdGlcd::clearScreen() { 00196 if(fb == NULL) return; 00197 memset(this->fb, 0, FB_SIZE); 00198 dirty= true; 00199 } 00200 00201 // render into local screenbuffer 00202 void RrdGlcd::displayString(int row, int col, const char *ptr, int length) { 00203 for (int i = 0; i < length; ++i) { 00204 displayChar(row, col, ptr[i]); 00205 col+=1; 00206 } 00207 dirty= true; 00208 } 00209 00210 void RrdGlcd::renderChar(uint8_t *fb, char c, int ox, int oy) { 00211 if(fb == NULL) return; 00212 // using the specific font data where x is in one byte and y is in consecutive bytes 00213 // the x bits are left aligned and right padded 00214 int i= c*8; // character offset in font array 00215 int o= ox%8; // where in fb byte does it go 00216 int a= oy*16 + ox/8; // start address in frame buffer 00217 int mask= ~0xF8 >> o; // mask off top bits 00218 int mask2= ~0xF8 << (8-o); // mask off bottom bits 00219 for(int y=0;y<8;y++) { 00220 int b= font5x8[i+y]; // get font byte 00221 fb[a] &= mask; // clear top bits for font 00222 fb[a] |= (b>>o); // or in the fonts 1 bits 00223 if(o >= 4) { // it spans two fb bytes 00224 fb[a+1] &= mask2; // clear bottom bits for font 00225 fb[a+1] |= (b<<(8-o)); // or in the fonts 1 bits 00226 } 00227 a+=16; // next line 00228 } 00229 } 00230 00231 void RrdGlcd::displayChar(int row, int col, char c) { 00232 int x= col*6; 00233 // if this wraps the line ignore it 00234 if(x+6 > WIDTH) return; 00235 00236 // convert row/column into y and x pixel positions based on font size 00237 renderChar(this->fb, c, x, row*8); 00238 } 00239 00240 void RrdGlcd::renderGlyph(int xp, int yp, const uint8_t *g, int pixelWidth, int pixelHeight) { 00241 if(fb == NULL) return; 00242 // NOTE the source is expected to be byte aligned and the exact number of pixels 00243 // TODO need to optimize by copying bytes instead of pixels... 00244 int xf= xp%8; 00245 int rf= pixelWidth%8; 00246 int a= yp*16 + xp/8; // start address in frame buffer 00247 const uint8_t *src= g; 00248 if(xf == 0) { 00249 // If xp is on a byte boundary simply memcpy each line from source to dest 00250 uint8_t *dest= &fb[a]; 00251 int n= pixelWidth/8; // bytes per line to copy 00252 if(rf != 0) n++; // if not a multiple of 8 pixels copy last byte as a byte 00253 if(n > 0) { 00254 for(int y=0;y<pixelHeight;y++) { 00255 memcpy(dest, src, n); 00256 src += n; 00257 dest+=16; // next line 00258 } 00259 } 00260 00261 // TODO now handle ragged end if we have one but as we always render left to right we probably don't need to 00262 // if(rf != 0) { 00263 00264 // } 00265 return; 00266 } 00267 00268 // if xp is not on a byte boundary we do the slow pixel by pixel copy 00269 for(int y=0;y<pixelHeight;y++) { 00270 int m= 0x80; 00271 int b= *g++; 00272 for(int x=0;x<pixelWidth;x++) { 00273 a= (y+yp)*16 + (x+xp)/8; 00274 int p= 1<<(7-(x+xp)%8); 00275 if((b & m) != 0){ 00276 fb[a] |= p; 00277 }else{ 00278 fb[a] &= ~p; 00279 } 00280 m= m>>1; 00281 if(m == 0){ 00282 m= 0x80; 00283 b= *g++; 00284 } 00285 } 00286 } 00287 } 00288 00289 // copy frame buffer to graphic buffer on display 00290 void RrdGlcd::fillGDRAM(const uint8_t *bitmap) { 00291 unsigned char i, y; 00292 for ( i = 0 ; i < 2 ; i++ ) { 00293 ST7920_CS(); 00294 for ( y = 0 ; y < PAGE_HEIGHT ; y++ ) { 00295 ST7920_SET_CMD(); 00296 ST7920_WRITE_BYTE(0x80 | y); 00297 if ( i == 0 ) { 00298 ST7920_WRITE_BYTE(0x80); 00299 } else { 00300 ST7920_WRITE_BYTE(0x80 | 0x08); 00301 } 00302 ST7920_SET_DAT(); 00303 ST7920_WRITE_BYTES(bitmap, WIDTH/8); // bitmap gets incremented in this macro 00304 } 00305 ST7920_NCS(); 00306 } 00307 } 00308 00309 void RrdGlcd::refresh() { 00310 if(!inited || !dirty) return; 00311 fillGDRAM(this->fb); 00312 dirty= false; 00313 }
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