aboutsummaryrefslogtreecommitdiffstats
path: root/examples/test-serialusb.cpp
blob: 678c2b9e8390de454e37ccbffe8cb68c34380a6d (plain)
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
// Tests SerialUSB functionality.

#include "wirish.h"
#include "usb.h"

#define LED_PIN BOARD_LED_PIN
#define BUT_PIN BOARD_BUTTON_PIN

uint32 state = 0;
#define QUICKPRINT  0
#define BIGSTUFF    1
#define NUMBERS     2
#define SIMPLE      3
#define ONOFF       4

void setup() {
    /* Set up the LED to blink  */
    pinMode(LED_PIN, OUTPUT);

    /* Set up the Button */
    pinMode(BUT_PIN, INPUT);

    Serial2.begin(9600);
    Serial2.println("This is the debug channel. Press BUT.");

    waitForButtonPress(0);
}

uint8 c1 = '-';

void loop() {
    toggleLED();
    delay(1000);

    if(isButtonPressed()) {
        state++;
    }

    switch(state) {
        case QUICKPRINT:
            for(int i = 0; i<30; i++) {
                usbSendBytes(&c1,1);
                SerialUSB.print('.');
                SerialUSB.print('|');
            }
            Serial2.println(SerialUSB.pending(), DEC);
            SerialUSB.println();
            break;
        case BIGSTUFF:
            SerialUSB.println("0123456789012345678901234567890123456789"
                              "0123456789012345678901234567890123456789"
                              "012345678901234567890");
            SerialUSB.println((int64)123456789, DEC);
            SerialUSB.println(3.1415926535);
            Serial2.println(SerialUSB.pending(), DEC);
            break;
        case NUMBERS:
            SerialUSB.println("Numbers! -----------------------------");
            Serial2.println("Numbers! -----------------------------");
            SerialUSB.println('1');
            Serial2.println('1');
            SerialUSB.println(1, DEC);
            Serial2.println(1, DEC);
            SerialUSB.println(-1, DEC);
            Serial2.println(-1, DEC);
            SerialUSB.println(3.14159265);
            Serial2.println(3.14159265);
            SerialUSB.println(123456789, DEC);
            Serial2.println(123456789, DEC);
            SerialUSB.println(-123456789, DEC);
            Serial2.println(-123456789, DEC);
            SerialUSB.println(65535, HEX);
            Serial2.println(65535, HEX);
            break;
        case SIMPLE:
            Serial2.println("Trying write('a')");
            SerialUSB.write('a');
            Serial2.println("Trying write(\"b\")");
            SerialUSB.write("b");
            Serial2.println("Trying print('c')");
            SerialUSB.print('c');
            Serial2.println("Trying print(\"d\")");
            SerialUSB.print("d");
            Serial2.println("Trying print(\"efg\")");
            SerialUSB.print("efg");
            Serial2.println("Trying println(\"hij\\n\\r\")");
            SerialUSB.print("hij\n\r");
            SerialUSB.write(' ');
            SerialUSB.println();
            Serial2.println("Trying println(123456789, DEC)");
            SerialUSB.println(123456789, DEC);
            Serial2.println("Trying println(3.141592)");
            SerialUSB.println(3.141592);
            Serial2.println("Trying println(\"DONE\")");
            SerialUSB.println("DONE");
            break;
        case ONOFF:
            Serial2.println("Shutting down...");
            SerialUSB.println("Shutting down...");
            SerialUSB.end();
            Serial2.println("Waiting 4 seconds...");
            delay(4000);
            Serial2.println("Starting up...");
            SerialUSB.begin();
            SerialUSB.println("Hello World!");
            Serial2.println("Waiting 4 seconds...");
            delay(4000);
            state++;
            break;
        default:
            state = 0;
    }
}

// Force init to be called *first*, i.e. before static object allocation.
// Otherwise, statically allocated objects that need libmaple may fail.
__attribute__((constructor)) void premain() {
    init();
}

int main(void) {
    setup();

    while (1) {
        loop();
    }
    return 0;
}