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| paulg |
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/* Test harness for TextStar serial LCD library
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| paulg |
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2
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* Paul Griffith
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| paulg |
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3
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* Last edit: 10 Jan 2010
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| paulg |
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*/
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| paulg |
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5
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| paulg |
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6
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#include "mbed.h"
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| paulg |
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#include "TextStar.h"
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8
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| paulg |
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9
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void bargraph_demo(int);
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| paulg |
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10
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void printhelps(void);
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| paulg |
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11
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void bad_args(void);
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| paulg |
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| paulg |
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Serial pc(USBTX, USBRX);
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| paulg |
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TextStar lcd(p9, p10); // tx, rx
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| paulg |
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15
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| paulg |
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int main() {
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| paulg |
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char buf[120], *cp;
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| paulg |
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char arg1[50], arg2[50], arg3[50];
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| paulg |
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int argc, cnt = 0, i, j, k, l;
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| paulg |
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20
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| paulg |
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| paulg |
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printf("TextStar Serial LCD test harness\n");
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| paulg |
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23
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printf("Type ? for help\n");
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| paulg |
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24
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lcd.printf("TextStar Serial\rLCD test harness");
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| paulg |
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25
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| paulg |
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26
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while (1) {
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| paulg |
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27
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printf("> ");
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| paulg |
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28
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cp = buf;
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| paulg |
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29
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while ( (*cp++ = putchar(getchar())) != '\r') ; //get a line of input
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| paulg |
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30
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*cp = '\0'; //terminate buffer
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| paulg |
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31
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printf("\n");
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| paulg |
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32
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argc = sscanf(buf, "%s%s%s", arg1, arg2, arg3); //extract command and arguments
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| paulg |
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33
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if (argc < 1)
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| paulg |
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34
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continue;
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| paulg |
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35
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switch (arg1[0]) {
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| paulg |
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36
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| paulg |
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37
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case 'b': //bar graph demo
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| paulg |
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38
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bargraph_demo(0);
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| paulg |
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39
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wait(1.0);
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| paulg |
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40
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bargraph_demo(1);
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| paulg |
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41
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break;
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| paulg |
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42
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| paulg |
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43
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case 'c': //clear display
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| paulg |
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44
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lcd.cls();
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| paulg |
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45
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break;
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| paulg |
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46
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| paulg |
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47
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case 'C': //set cursor style
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| paulg |
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48
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if (argc != 2) {
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| paulg |
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49
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bad_args();
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| paulg |
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50
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break;
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| paulg |
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51
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}
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| paulg |
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52
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sscanf(arg2, "%d", &i); //extract style number
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| paulg |
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53
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lcd.set_cursor(i);
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| paulg |
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54
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break;
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| paulg |
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|
55
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| paulg |
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56
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case 'd': //move cursor down
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| paulg |
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j = 1;
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| paulg |
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58
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if (argc == 2)
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| paulg |
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59
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sscanf(arg2, "%d", &j);
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| paulg |
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60
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for (i = 0; i < j; i++)
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| paulg |
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61
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lcd.down();
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| paulg |
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62
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break;
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| paulg |
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|
63
|
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| paulg |
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64
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case 'D': //define custom character
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| paulg |
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65
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sscanf(buf, "%s%d%x%x", arg1, &i, &j, &k); //extract arguments
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| paulg |
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66
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arg3[0] = (j >> 24) & 0xFF;
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| paulg |
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67
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arg3[1] = (j >> 16) & 0xFF;
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| paulg |
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68
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arg3[2] = (j >> 8) & 0xFF;
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| paulg |
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69
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arg3[3] = j & 0xFF;
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| paulg |
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70
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arg3[4] = (k >> 24) & 0xFF;
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| paulg |
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71
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arg3[5] = (k >> 16) & 0xFF;
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| paulg |
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72
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arg3[6] = (k >> 8) & 0xFF;
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| paulg |
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73
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arg3[7] = k & 0xFF;
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| paulg |
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|
74
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lcd.custom_char(i, arg3);
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| paulg |
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75
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lcd.cls();
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| paulg |
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76
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lcd.printf("Custom chars");
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| paulg |
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77
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lcd.locate(0, 1);
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| paulg |
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78
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lcd.printf("128-135 %c%c%c%c%c%c%c%c", 0x80, 0x81,
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| paulg |
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79
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0x82, 0x83, 0x84, 0x85, 0x86, 0x87);
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| paulg |
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|
80
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break;
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| paulg |
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|
81
|
|
| paulg |
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|
82
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case 'e': //enter text at current position
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| paulg |
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|
83
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if (argc < 2) {
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| paulg |
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|
84
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bad_args();
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| paulg |
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|
85
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break;
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| paulg |
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|
86
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}
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| paulg |
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|
87
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*--cp = '\0'; //get rid of \r at end of buffer
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| paulg |
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|
88
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sscanf(buf, "%s%n", arg1, &i); //extract arguments
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| paulg |
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|
89
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// cp = buf + i;
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| paulg |
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|
90
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// while (*cp++ == ' ') ; //find start of text
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| paulg |
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|
91
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// --cp;
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| paulg |
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|
92
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cp = buf + i + 1; //allow leading white space
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| paulg |
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93
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lcd.printf("%s", cp);
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| paulg |
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94
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break;
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| paulg |
0:775da631eb9a
|
95
|
|
| paulg |
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|
96
|
case 'h': //cursor home
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| paulg |
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|
97
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lcd.home();
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| paulg |
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|
98
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break;
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| paulg |
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|
99
|
|
| paulg |
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|
100
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case 'k': //get key states
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| paulg |
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|
101
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while (lcd.readable() )
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| paulg |
0:775da631eb9a
|
102
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lcd.getc(); //empty buffer
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| paulg |
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|
103
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printf("Key states = ");
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| paulg |
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|
104
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lcd.send_keys();
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| paulg |
0:775da631eb9a
|
105
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i = lcd.getc();
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| paulg |
0:775da631eb9a
|
106
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j = lcd.getc();
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| paulg |
0:775da631eb9a
|
107
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k = lcd.getc();
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| paulg |
0:775da631eb9a
|
108
|
l = lcd.getc();
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| paulg |
0:775da631eb9a
|
109
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printf("%c%c%c%c\n", i, j, k, l);
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| paulg |
0:775da631eb9a
|
110
|
break;
|
| paulg |
0:775da631eb9a
|
111
|
|
| paulg |
0:775da631eb9a
|
112
|
case 'K': //get key output until any char typed on pc
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| paulg |
0:775da631eb9a
|
113
|
printf("Key output: ");
|
| paulg |
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|
114
|
while (pc.readable() == 0) {
|
| paulg |
0:775da631eb9a
|
115
|
if (lcd.readable() )
|
| paulg |
0:775da631eb9a
|
116
|
pc.putc(lcd.getc() );
|
| paulg |
0:775da631eb9a
|
117
|
}
|
| paulg |
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|
118
|
while (pc.readable() )
|
| paulg |
0:775da631eb9a
|
119
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pc.getc();
|
| paulg |
0:775da631eb9a
|
120
|
printf("\nAll done\n");
|
| paulg |
0:775da631eb9a
|
121
|
break;
|
| paulg |
0:775da631eb9a
|
122
|
|
| paulg |
0:775da631eb9a
|
123
|
case 'o': //output demo
|
| paulg |
0:775da631eb9a
|
124
|
lcd.cls();
|
| paulg |
0:775da631eb9a
|
125
|
j = 20;
|
| paulg |
0:775da631eb9a
|
126
|
if (argc == 2) {
|
| paulg |
0:775da631eb9a
|
127
|
sscanf(arg2, "%d", &j);
|
| paulg |
0:775da631eb9a
|
128
|
}
|
| paulg |
0:775da631eb9a
|
129
|
for (i = 0; i < j; i++) {
|
| paulg |
0:775da631eb9a
|
130
|
lcd.printf("Count = %d\r", cnt++);
|
| paulg |
0:775da631eb9a
|
131
|
wait( (i == 0) ? 1.0 : 0.2);
|
| paulg |
0:775da631eb9a
|
132
|
}
|
| paulg |
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|
133
|
break;
|
| paulg |
0:775da631eb9a
|
134
|
|
| paulg |
0:775da631eb9a
|
135
|
case 'l': //move cursor left
|
| paulg |
0:775da631eb9a
|
136
|
j = 1;
|
| paulg |
0:775da631eb9a
|
137
|
if (argc == 2)
|
| paulg |
0:775da631eb9a
|
138
|
sscanf(arg2, "%d", &j);
|
| paulg |
0:775da631eb9a
|
139
|
for (i = 0; i < j; i++)
|
| paulg |
0:775da631eb9a
|
140
|
lcd.left();
|
| paulg |
0:775da631eb9a
|
141
|
break;
|
| paulg |
0:775da631eb9a
|
142
|
|
| paulg |
0:775da631eb9a
|
143
|
case 'p': //set cursor position
|
| paulg |
0:775da631eb9a
|
144
|
if (argc < 3) {
|
| paulg |
0:775da631eb9a
|
145
|
bad_args();
|
| paulg |
0:775da631eb9a
|
146
|
break;
|
| paulg |
0:775da631eb9a
|
147
|
}
|
| paulg |
0:775da631eb9a
|
148
|
sscanf(buf, "%s%d%d", arg1, &i, &j); //extract arguments
|
| paulg |
0:775da631eb9a
|
149
|
lcd.locate(j, i);
|
| paulg |
0:775da631eb9a
|
150
|
break;
|
| paulg |
0:775da631eb9a
|
151
|
|
| paulg |
0:775da631eb9a
|
152
|
case 'q': //quit
|
| paulg |
0:775da631eb9a
|
153
|
exit(1);
|
| paulg |
0:775da631eb9a
|
154
|
break;
|
| paulg |
0:775da631eb9a
|
155
|
|
| paulg |
0:775da631eb9a
|
156
|
case 'r': //move cursor right
|
| paulg |
0:775da631eb9a
|
157
|
j = 1;
|
| paulg |
0:775da631eb9a
|
158
|
if (argc == 2)
|
| paulg |
0:775da631eb9a
|
159
|
sscanf(arg2, "%d", &j);
|
| paulg |
0:775da631eb9a
|
160
|
for (i = 0; i < j; i++)
|
| paulg |
0:775da631eb9a
|
161
|
lcd.right();
|
| paulg |
0:775da631eb9a
|
162
|
break;
|
| paulg |
0:775da631eb9a
|
163
|
|
| paulg |
0:775da631eb9a
|
164
|
case 'R': //reset display (and set autoblank (and autoscroll) )
|
| paulg |
0:775da631eb9a
|
165
|
if (argc == 1) {
|
| paulg |
0:775da631eb9a
|
166
|
lcd.reset();
|
| paulg |
0:775da631eb9a
|
167
|
}
|
| paulg |
0:775da631eb9a
|
168
|
else if (argc == 2) {
|
| paulg |
0:775da631eb9a
|
169
|
sscanf(arg2, "%d", &i);
|
| paulg |
0:775da631eb9a
|
170
|
lcd.reset(i);
|
| paulg |
0:775da631eb9a
|
171
|
}
|
| paulg |
0:775da631eb9a
|
172
|
else if (argc >= 3) {
|
| paulg |
0:775da631eb9a
|
173
|
sscanf(arg2, "%d", &i);
|
| paulg |
0:775da631eb9a
|
174
|
sscanf(arg3, "%d", &j);
|
| paulg |
0:775da631eb9a
|
175
|
lcd.reset(i, j);
|
| paulg |
0:775da631eb9a
|
176
|
}
|
| paulg |
0:775da631eb9a
|
177
|
break;
|
| paulg |
0:775da631eb9a
|
178
|
|
| paulg |
0:775da631eb9a
|
179
|
case 's': //scroll down
|
| paulg |
0:775da631eb9a
|
180
|
j = 1;
|
| paulg |
0:775da631eb9a
|
181
|
if (argc == 2)
|
| paulg |
0:775da631eb9a
|
182
|
sscanf(arg2, "%d", &j);
|
| paulg |
0:775da631eb9a
|
183
|
for (i = 0; i < j; i++)
|
| paulg |
0:775da631eb9a
|
184
|
lcd.scroll_down();
|
| paulg |
0:775da631eb9a
|
185
|
break;
|
| paulg |
0:775da631eb9a
|
186
|
|
| paulg |
0:775da631eb9a
|
187
|
case 'S': //scroll up
|
| paulg |
0:775da631eb9a
|
188
|
j = 1;
|
| paulg |
0:775da631eb9a
|
189
|
if (argc == 2)
|
| paulg |
0:775da631eb9a
|
190
|
sscanf(arg2, "%d", &j);
|
| paulg |
0:775da631eb9a
|
191
|
for (i = 0; i < j; i++)
|
| paulg |
0:775da631eb9a
|
192
|
lcd.scroll_up();
|
| paulg |
0:775da631eb9a
|
193
|
break;
|
| paulg |
0:775da631eb9a
|
194
|
|
| paulg |
0:775da631eb9a
|
195
|
case 'u': //move cursor up
|
| paulg |
0:775da631eb9a
|
196
|
j = 1;
|
| paulg |
0:775da631eb9a
|
197
|
if (argc == 2)
|
| paulg |
0:775da631eb9a
|
198
|
sscanf(arg2, "%d", &j);
|
| paulg |
0:775da631eb9a
|
199
|
for (i = 0; i < j; i++)
|
| paulg |
0:775da631eb9a
|
200
|
lcd.up();
|
| paulg |
0:775da631eb9a
|
201
|
break;
|
| paulg |
0:775da631eb9a
|
202
|
|
| paulg |
0:775da631eb9a
|
203
|
case 'v': //display firmware version
|
| paulg |
0:775da631eb9a
|
204
|
lcd.version();
|
| paulg |
0:775da631eb9a
|
205
|
break;
|
| paulg |
0:775da631eb9a
|
206
|
|
| paulg |
0:775da631eb9a
|
207
|
|
| paulg |
0:775da631eb9a
|
208
|
case 'w': //move visible window
|
| paulg |
0:775da631eb9a
|
209
|
if (argc != 2) {
|
| paulg |
0:775da631eb9a
|
210
|
bad_args();
|
| paulg |
0:775da631eb9a
|
211
|
break;
|
| paulg |
0:775da631eb9a
|
212
|
}
|
| paulg |
0:775da631eb9a
|
213
|
sscanf(arg2, "%d", &i); //extract line number
|
| paulg |
0:775da631eb9a
|
214
|
lcd.window(i);
|
| paulg |
0:775da631eb9a
|
215
|
break;
|
| paulg |
0:775da631eb9a
|
216
|
|
| paulg |
0:775da631eb9a
|
217
|
case 'x': //send hex data to display
|
| paulg |
0:775da631eb9a
|
218
|
argc = sscanf(buf, "%s%x%x%x%x", arg1, &i, &j, &k, &l); //extract arguments
|
| paulg |
0:775da631eb9a
|
219
|
if (argc > 1)
|
| paulg |
0:775da631eb9a
|
220
|
lcd.putc(i & 0xFF);
|
| paulg |
0:775da631eb9a
|
221
|
if (argc > 2)
|
| paulg |
0:775da631eb9a
|
222
|
lcd.putc(j & 0xFF);
|
| paulg |
0:775da631eb9a
|
223
|
if (argc > 3)
|
| paulg |
0:775da631eb9a
|
224
|
lcd.putc(k & 0xFF);
|
| paulg |
0:775da631eb9a
|
225
|
if (argc > 4)
|
| paulg |
0:775da631eb9a
|
226
|
lcd.putc(l & 0xFF);
|
| paulg |
0:775da631eb9a
|
227
|
break;
|
| paulg |
0:775da631eb9a
|
228
|
|
| paulg |
0:775da631eb9a
|
229
|
case '?': //print help
|
| paulg |
0:775da631eb9a
|
230
|
printhelps();
|
| paulg |
0:775da631eb9a
|
231
|
break;
|
| paulg |
0:775da631eb9a
|
232
|
|
| paulg |
0:775da631eb9a
|
233
|
default:
|
| paulg |
0:775da631eb9a
|
234
|
printf("?? Unknown command\n");
|
| paulg |
0:775da631eb9a
|
235
|
break;
|
| paulg |
0:775da631eb9a
|
236
|
}
|
| paulg |
0:775da631eb9a
|
237
|
}
|
| paulg |
0:775da631eb9a
|
238
|
}
|
| paulg |
0:775da631eb9a
|
239
|
|
| paulg |
0:775da631eb9a
|
240
|
//Command functions
|
| paulg |
0:775da631eb9a
|
241
|
|
| paulg |
0:775da631eb9a
|
242
|
void printhelps(void) {
|
| paulg |
0:775da631eb9a
|
243
|
printf("Command summary:\n");
|
| paulg |
0:775da631eb9a
|
244
|
printf("b bar graph demo\n");
|
| paulg |
0:775da631eb9a
|
245
|
printf("c clear display\n");
|
| paulg |
0:775da631eb9a
|
246
|
printf("C style set cursor style (0-4)\n");
|
| paulg |
0:775da631eb9a
|
247
|
printf("d [n] cursor down n times (default 1)\n");
|
| paulg |
0:775da631eb9a
|
248
|
printf("D n bm1 bm2 define custom char n (128-135) with bitmap in hex\n");
|
| paulg |
0:775da631eb9a
|
249
|
printf(" bm1 = bitmap rows 1-4, bm2 = rows 5-8\n");
|
| paulg |
0:775da631eb9a
|
250
|
printf("e text enter text at current position\n");
|
| paulg |
0:775da631eb9a
|
251
|
printf("h cursor home\n");
|
| paulg |
0:775da631eb9a
|
252
|
printf("k get key states\n");
|
| paulg |
0:775da631eb9a
|
253
|
printf("K show key output\n");
|
| paulg |
0:775da631eb9a
|
254
|
printf("l [n] cursor left n times (default 1)\n");
|
| paulg |
0:775da631eb9a
|
255
|
printf("o output demo\n");
|
| paulg |
0:775da631eb9a
|
256
|
printf("p line col set cursor position to line (0-15) and column (0-15)\n");
|
| paulg |
0:775da631eb9a
|
257
|
printf("q quit\n");
|
| paulg |
0:775da631eb9a
|
258
|
printf("r [n] cursor right n times (default 1)\n");
|
| paulg |
0:775da631eb9a
|
259
|
printf("R [ab] [as] reset display, set auto-blank (0/1) and auto-scroll (0/1)\n");
|
| paulg |
0:775da631eb9a
|
260
|
printf("s [n] scroll down n times (default 1)\n");
|
| paulg |
0:775da631eb9a
|
261
|
printf("S [n] scroll up n times (default 1)\n");
|
| paulg |
0:775da631eb9a
|
262
|
printf("u [n] cursor up n times (default 1)\n");
|
| paulg |
0:775da631eb9a
|
263
|
printf("v display firmware version\n");
|
| paulg |
0:775da631eb9a
|
264
|
printf("w line move display window to specified line (0-14)\n");
|
| paulg |
0:775da631eb9a
|
265
|
printf("x b b b b send hex data to display, up to 4 bytes\n");
|
| paulg |
0:775da631eb9a
|
266
|
}
|
| paulg |
0:775da631eb9a
|
267
|
|
| paulg |
0:775da631eb9a
|
268
|
void bargraph_demo(int capped) {
|
| paulg |
0:775da631eb9a
|
269
|
|
| paulg |
0:775da631eb9a
|
270
|
int i;
|
| paulg |
0:775da631eb9a
|
271
|
|
| paulg |
0:775da631eb9a
|
272
|
lcd.cls();
|
| paulg |
0:775da631eb9a
|
273
|
lcd.printf("BAR GRAPH DEMO %d", capped + 1);
|
| paulg |
0:775da631eb9a
|
274
|
for (i = 0; i <= 100; i++) {
|
| paulg |
0:775da631eb9a
|
275
|
lcd.locate(0, 1);
|
| paulg |
0:775da631eb9a
|
276
|
lcd.bar_graph(capped, 16, i);
|
| paulg |
0:775da631eb9a
|
277
|
wait( (i == 0) ? 1.0 : 0.02);
|
| paulg |
0:775da631eb9a
|
278
|
}
|
| paulg |
0:775da631eb9a
|
279
|
wait(1.0);
|
| paulg |
0:775da631eb9a
|
280
|
for (i = 100; i >= 0; i--) {
|
| paulg |
0:775da631eb9a
|
281
|
lcd.locate(0, 1);
|
| paulg |
0:775da631eb9a
|
282
|
lcd.bar_graph(capped, 16, i);
|
| paulg |
0:775da631eb9a
|
283
|
wait( (i == 0) ? 1.0 : 0.02);
|
| paulg |
0:775da631eb9a
|
284
|
}
|
| paulg |
0:775da631eb9a
|
285
|
}
|
| paulg |
0:775da631eb9a
|
286
|
|
| paulg |
0:775da631eb9a
|
287
|
void bad_args(void) {
|
| paulg |
0:775da631eb9a
|
288
|
printf("?? Bad arguments\n");
|
| paulg |
0:775da631eb9a
|
289
|
}
|
| paulg |
0:775da631eb9a
|
290
|
|
Paul Griffith