AQM1248A_exsample/main.cpp at master · gitakichi/AQM1248A_exsample · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
//Reference by switch science's github
//https://github.com/SWITCHSCIENCE/samplecodes/blob/master/AQM1248A_breakout/Arduino/AQM1248A_sample/AQM1248A_sample.ino
#include "mbed.h"
#include "font_ascii.h"

SPI device(D11,D12,D13);//SPI_MOSI, SPI_MISO, SPI_SCK
DigitalOut RS(A0);

uint8_t pic[6][128] = {{0,0,0,0,128,192,192,224,224,224,224,224,224,224,224,224,224,96,0,0,0,0,0,0,0,0,0,0,0,0,128,224,224,224,224,224,224,224,224,192,192,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
    {0,0,0,0,255,255,255,255,255,255,255,255,255,255,255,31,3,0,0,0,0,0,0,0,0,0,0,224,248,254,255,255,255,255,255,255,255,255,255,255,255,255,0,0,0,0,0,0,0,0,60,126,126,231,231,199,199,206,142,140,0,0,3,63,255,252,0,0,240,254,30,62,248,240,0,0,254,255,15,0,0,255,255,255,0,7,7,7,7,255,255,255,7,7,7,7,0,248,252,254,15,7,7,7,7,15,30,28,0,0,0,255,255,255,224,224,224,224,255,255,255,0,0,0,0,0,0,0},
    {0,0,0,0,255,255,255,255,255,255,255,255,191,135,128,128,128,128,128,128,128,128,0,0,0,0,7,7,7,7,7,135,199,231,247,251,255,255,255,255,255,255,0,0,0,0,0,0,0,0,12,28,60,56,48,48,49,57,63,31,15,0,0,0,7,63,62,62,63,7,0,0,7,63,62,62,63,7,0,0,0,63,63,63,0,0,0,0,0,63,63,63,0,0,0,0,0,3,15,31,28,56,56,56,56,28,30,14,0,0,0,63,63,63,0,0,0,0,63,63,63,0,0,0,0,0,0,0},
    {0,0,0,0,255,255,255,255,255,255,255,255,255,255,255,255,255,255,127,31,3,0,0,128,192,224,240,248,252,254,255,255,255,255,255,255,255,255,255,255,255,255,0,0,0,0,0,0,0,0,224,176,24,8,8,8,8,16,48,0,0,0,192,48,16,8,8,8,24,16,96,0,0,0,248,0,0,0,248,8,8,8,8,8,8,8,0,0,0,248,16,96,192,0,0,0,0,0,248,0,0,0,192,48,16,8,8,8,24,16,96,0,0,248,8,8,8,8,8,8,8,0,0,0,0,0,0,0},
    {0,0,0,0,255,255,255,255,255,255,255,255,255,255,255,255,239,227,240,248,252,254,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,0,0,0,0,0,0,0,0,96,193,129,3,2,2,6,132,204,120,0,15,112,192,128,0,0,0,0,192,96,0,0,0,255,0,0,0,255,2,2,2,2,2,2,2,0,0,0,255,0,0,0,3,12,24,96,192,255,0,0,15,112,192,128,0,0,0,0,192,96,0,0,255,2,2,2,2,2,2,2,0,0,0,0,0,0,0},
    {0,0,0,0,1,3,3,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,3,3,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,1,0,0,0,1,1,1,1,1,1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0},
};

void lcdCmd(uint8_t cmd)
{
    RS = 0;
    device.write(cmd);
}

void lcdData(uint8_t data)
{
    RS = 1;
    device.write(data);
}

void normal_print(void)
{
    RS = 0;
    device.write(0xA6);
}

void reverse_print(void)
{
    RS = 0;
    device.write(0xA7);
}

void initLCD()
{
    lcdCmd(0xAE);           //Display = OFF
    lcdCmd(0xA0);           //ADC = normal
    lcdCmd(0xC8);           //Common output = revers
    lcdCmd(0xA3);           //LCD bias = 1/7

    //内部レギュレータON
    lcdCmd(0x2C);
    wait_ms(2);
    lcdCmd(0x2E);
    wait_ms(2);
    lcdCmd(0x2F);

    //コントラスト設定
    lcdCmd(0x22);           //Vo voltage regulator internal resistor ratio set
    lcdCmd(0x81);           //Electronic volume mode set
    lcdCmd(0x2F);           //Electronic volume register set

    //表示設定
    lcdCmd(0xA4);           //Display all point ON/OFF = normal
    lcdCmd(0x40);           //Display start line = 0
    lcdCmd(0xA6);           //Display normal/revers = normal
    lcdCmd(0xAF);           //Dsiplay = ON
}

void print_sample(void)
{
    for(int page=0; page<6; page++) {
        lcdCmd(0xb0+page);        //ページアドレス選択
        lcdCmd(0x10);             //カラムアドレス上位4bit = 0000
        lcdCmd(0x00);             //カラムアドレス下位4bit = 0000
        for(int col=0; col<128; col++) {
            lcdData(pic[page][col]);
        }
    }
}

void print_AQM1248A(char input[])
{
    int page = 0;
    int cursor_lcd = 0;

    lcdCmd(0xb0);
    lcdCmd(0x10);
    lcdCmd(0x00);

    for(int cursor=0; (cursor <= 255) && (input[cursor] != '\0'); cursor++)
    {
        //改行
        if(input[cursor] == '\n' && page < 7) {
            page++;
            lcdCmd(0xb0+page);
        }
        //行頭復帰
        else if(input[cursor] == '\r') {
            lcdCmd(0x10);
            lcdCmd(0x00);
            cursor_lcd = 0;
        }
        //文字表示
        else {
            //行頭復帰改行
            if(cursor_lcd >= 16) {
                page++;
                lcdCmd(0xb0+page);
                lcdCmd(0x10);
                lcdCmd(0x00);
                cursor_lcd = 0;
            }
            //文字表示
            for(int j=0; j<8; j++) {
                lcdData(font[input[cursor] - ' '][j]);
            }
            cursor_lcd++;
        }
    }
}


void print_clear(void)
{
    for(int page=0; page<8; page++) {
        lcdCmd(0xb0+page);        //ページアドレス選択
        lcdCmd(0x10);             //カラムアドレス上位4bit = 0000
        lcdCmd(0x00);             //カラムアドレス下位4bit = 0000
        for(int col=0; col<128; col++) {
            lcdData(0);
        }
    }
}


int main(void)
{
    //device.format(8,3);
    //device.frequency(100000);

    initLCD();              //LCD初期化

    //print_clear();

    while(1) {
        print_clear();
        print_AQM1248A("Hello World!");
        wait(3);
        print_clear();
        print_sample();
        wait(3);
    }
}