1 | // ************************************************************
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2 | // Initialize LCD module
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3 | // ************************************************************
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4 |
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5 | void dogm_init(void)
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6 | {
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7 | dogm_port_init(); // initialize ports
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8 |
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9 | _delay_ms(400); // 40ms delay
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10 | dogm_write_once(0x30); // Function Set #1: DL=1
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11 | _delay_ms(2); // 2ms delay
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12 | dogm_write_once(0x30); // Function Set #2: DL=1
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13 |
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14 | _delay_us(30); // 30us delay
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15 | dogm_write_once(0x30); // Function Set #3: DL=1
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16 | _delay_us(30); // 30us delay
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17 |
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18 | dogm_chk_busy(); // Check busy flag
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19 | dogm_write_once(0x20); // Function Set #4: DL=0
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20 |
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21 | _delay_us(30); // 30us delay
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22 | dogm_write_check(0, 0x29); // Function Set #5: DL=0, N=1, IS2=0, IS1=1
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23 | _delay_us(30); // 30us delay
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24 |
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25 | dogm_write_check(0, 0x14); // Bias Set: BS=0, FX=0
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26 | _delay_us(30); // 30us delay
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27 |
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28 | dogm_write_check(0, 0x78); // Contrast Set: C3=1, C2=C1=C0=0
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29 | _delay_us(30); // 30us delay
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30 |
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31 | dogm_write_check(0, 0x5E); // Power/ICON/Contrast: Icon=1, Bon=1, C5=1, C4=0
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32 | _delay_us(30); // 30us delay
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33 |
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34 | dogm_write_check(0, 0x6A); // Follower Ctrl: Fon=1, Rab2=0, Rab1=1, Rab0=0
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35 | _delay_us(30); // 30us delay
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36 |
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37 | dogm_write_check(0, 0x0C); // DISPLAY ON: D=1, C=0, B=0
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38 | _delay_us(30); // 30us delay
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39 |
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40 | dogm_write_check(0, 0x01); // CLEAR DISPLAY
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41 | _delay_ms(2); // 2ms delay
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42 |
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43 | dogm_write_check(0, 0x06); // Entry mode set: I/D=1, S=0
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44 | _delay_us(30); // 30us delay
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45 | }
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