aboutsummaryrefslogtreecommitdiffstats
path: root/main.cpp.example
blob: 8fc522a245bbd2253028a73a61f30b827fc032c4 (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
// Sample main.cpp file. Blinks the built-in LED, sends a message out
// USART2, and turns on PWM on pin 2.

#include "wirish.h"

#define PWM_PIN  2

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

    /* Turn on PWM on pin PWM_PIN */
    pinMode(PWM_PIN, PWM);
    pwmWrite(PWM_PIN, 0x8000);

    /* Send a message out USART2  */
    Serial2.begin(9600);
    Serial2.println("Hello world!");

    /* Send a message out the usb virtual serial port  */
    SerialUSB.println("Hello!");
}

void loop() {
    toggleLED();
    delay(100);
}

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

int main(void) {
    setup();

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