Cesanta / Mbed 2 deprecated DISCO-F469NI_javascript_blinker

Simple example that shows how to embed a JavaScript interpreter and expose some mbed system functions to JS allowing a simple JavaScript program to blink a led.

Dependencies:   mbed v7

main.cpp

Committer:
mmikulicic
Date:
2016-10-13
Revision:
0:ca3d04aad28e

File content as of revision 0:ca3d04aad28e:

#include "mbed.h"

#include "v7.h"

DigitalOut led_green(LED1);

enum v7_err js_set_led(struct v7 *v7, v7_val_t *res) {
    led_green = !v7_get_bool(v7, v7_arg(v7, 0));
    return V7_OK;
}

enum v7_err js_wait(struct v7 *v7, v7_val_t *res) {
    wait(v7_get_double(v7, v7_arg(v7, 0)));
    return V7_OK;
}    

int main() {  
    struct v7 *v7 = v7_create();

    v7_set_method(v7, v7_get_global(v7), "setLed", &js_set_led);
    v7_set_method(v7, v7_get_global(v7), "wait", &js_wait);

  v7_exec(v7,
          "while(true) {" \
          "  setLed(false);" \
          "  wait(0.2); " \
          "  setLed(true);" \
          "  wait(0.8); " \
          "}",
          NULL);

}