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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1702 | - | 1 | |
| 2 | void uploadFont() |
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| 3 | { |
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| 4 | uint16_t byte_count = 0; |
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| 5 | byte bit_count; |
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| 6 | byte ascii_binary[0x08]; |
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| 7 | |||
| 8 | // move these local to prevent ram usage |
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| 9 | uint8_t character_bitmap[0x40]; |
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| 10 | int font_count = 0; |
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| 11 | |||
| 12 | osd.clear(); |
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| 13 | osd.setPanel(6,9); |
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| 14 | osd.openPanel(); |
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| 15 | osd.printf_P(PSTR("Update CharSet")); |
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| 16 | osd.closePanel(); |
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| 17 | |||
| 18 | |||
| 19 | Serial.printf_P(PSTR("Ready for Font\n")); |
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| 20 | |||
| 21 | while(font_count < 256) { |
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| 22 | int8_t incomingByte = Serial.read(); |
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| 23 | switch(incomingByte) // parse and decode mcm file |
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| 24 | { |
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| 25 | case 0x0d: // carridge return, end of line |
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| 26 | //Serial.println("cr"); |
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| 27 | if (bit_count == 8 && (ascii_binary[0] == 0x30 || ascii_binary[0] == 0x31)) |
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| 28 | { |
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| 29 | // turn 8 ascii binary bytes to single byte '01010101' = 0x55 |
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| 30 | // fill in 64 bytes of character data |
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| 31 | // made this local to prevent needing a global |
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| 32 | byte ascii_byte; |
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| 33 | |||
| 34 | ascii_byte = 0; |
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| 35 | |||
| 36 | if (ascii_binary[0] == 0x31) // ascii '1' |
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| 37 | ascii_byte = ascii_byte + 128; |
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| 38 | |||
| 39 | if (ascii_binary[1] == 0x31) |
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| 40 | ascii_byte = ascii_byte + 64; |
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| 41 | |||
| 42 | if (ascii_binary[2] == 0x31) |
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| 43 | ascii_byte = ascii_byte + 32; |
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| 44 | |||
| 45 | if (ascii_binary[3] == 0x31) |
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| 46 | ascii_byte = ascii_byte + 16; |
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| 47 | |||
| 48 | if (ascii_binary[4] == 0x31) |
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| 49 | ascii_byte = ascii_byte + 8; |
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| 50 | |||
| 51 | if (ascii_binary[5] == 0x31) |
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| 52 | ascii_byte = ascii_byte + 4; |
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| 53 | |||
| 54 | if (ascii_binary[6] == 0x31) |
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| 55 | ascii_byte = ascii_byte + 2; |
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| 56 | |||
| 57 | if (ascii_binary[7] == 0x31) |
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| 58 | ascii_byte = ascii_byte + 1; |
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| 59 | |||
| 60 | character_bitmap[byte_count] = ascii_byte; |
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| 61 | byte_count++; |
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| 62 | bit_count = 0; |
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| 63 | } |
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| 64 | else |
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| 65 | bit_count = 0; |
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| 66 | break; |
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| 67 | case 0x0a: // line feed, ignore |
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| 68 | //Serial.println("ln"); |
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| 69 | break; |
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| 70 | case 0x30: // ascii '0' |
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| 71 | case 0x31: // ascii '1' |
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| 72 | ascii_binary[bit_count] = incomingByte; |
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| 73 | bit_count++; |
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| 74 | break; |
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| 75 | default: |
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| 76 | break; |
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| 77 | } |
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| 78 | |||
| 79 | // we have one completed character |
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| 80 | // write the character to NVM |
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| 81 | if(byte_count == 64) |
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| 82 | { |
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| 83 | osd.write_NVM(font_count, character_bitmap); |
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| 84 | byte_count = 0; |
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| 85 | font_count++; |
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| 86 | Serial.printf_P(PSTR("Char Done\n")); |
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| 87 | } |
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| 88 | } |
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| 89 | |||
| 90 | // character_bitmap[] |
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| 91 | } |
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| 92 | |||
| 93 |