Bitwise AND operator #14

sfranzyshen · 2019-12-03T11:03:29Z

LINUX_DIST="Linux Mint 18.3 Sylvia MATE 32-bit"
KERNEL=Linux computer 4.10.0-38-generic i686 i686 i686 GNU/Linux

ARDUINO IDE: 1.8.10 (32bit)
elk Library: version 0.0.16 (Installed using Arduino IDE library manager)
ESP32 boards (DEVKIT): 1.0.4 (Installed with board manager from Arduino IDE)

I'm having difficulty with some code I'm trying to get working on the esp32 ... I believe my problem stems from my use of the Bitwise AND operator ... here is a snippet
code snippet

js_eval(js, "let rainbow =

function(wait) { 
    b = 0; 
    while(b < 1280) { 
        c = 0; 
        while(c < numPixels()) { 
            setPixelColor32(c, Wheel(((c * 256 / numPixels()) + b) & 255));
            c++; 
        } 
        show(); 
        delay(wait); 
        b++; 
    } 
}; 
", 0);

The text was updated successfully, but these errors were encountered:

cpq · 2019-12-05T14:07:19Z

Just to make sure:
elk integet is 23-bit, not 32 bit. Is numPixels() value falls into that expected range?
Could this test be shortened into a one-liner test?

sfranzyshen · 2019-12-06T03:11:33Z

Just to make sure:
elk integet is 23-bit, not 32 bit. Is numPixels() value falls into that expected range?
Could this test be shortened into a one-liner test?

in this case numPixels() always returns 8 ... i believe that to be in range

cpq · 2019-12-07T10:07:07Z

In you C code, capture the result of execution and print it - that could help to catch some obvious errors:

  jsval_t v = js_eval(js, " this triggers error ", 0);", 0);
  printf("result: %s\n", js_str(js, v));
  js_gc(js, v);

sfranzyshen · 2019-12-09T20:25:21Z

Yes I am referencing global variables because when I tried to use in-function let statements it didn't work ... the variables seamed to interfering with each other ... or at least it appeared that way ... perhaps like you suggested I can print the results out to get a better understanding of what's happening ... and I'll post full code used instead of snippets ... sometime tonight ... cheers and thanks!

cpq · 2019-12-10T15:01:07Z

Thank you!
You can run quick experiments on linux or macos if you wish - see at the bottom of README on how to compile elk binary. You could also modify examples/posix/main.c in order to import custom C functions.

sfranzyshen · 2019-12-10T23:30:54Z

I've tried to cover everything within this test code addressing both the open issues #13 & #14 ...
I'm still having problems with nested variables (or nested while loops ... or both) and bitwise operators within 0.0.17 ... that I don't experience within 0.0.16 ... but I have problems with variables in both versions ... perhaps my approach is inaccurate?

LINUX_DIST="Linux Mint 18.3 Sylvia MATE 32-bit"
KERNEL=Linux computer 4.10.0-38-generic i686 i686 i686 GNU/Linux

ARDUINO IDE: 1.8.10 (32bit)
elk Library: version 0.0.17 (Installed using Arduino IDE library manager)
ESP32 boards (DEVKIT): 1.0.4 (Installed with board manager from Arduino IDE)

(Full)Test Code 0.0.17

// example of using the elk javascript engine innen Arduino Environment on esp32
// Adafruit_NeoPixel strandtest.ino ported to elk javascript engine ...

#include <Adafruit_NeoPixel.h>
#include <elk.h> 

#define ALLOC     4096 // also tried 8192
#define LED_PIN   15
#define LED_COUNT 8
#define DEBUG     1

struct  js *js = js_create(malloc(ALLOC), ALLOC);

// NeoPixel config could be handled elsewhere ... such as with a web interface

Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);

extern "C" void Sys_delay(unsigned long milli) {
  delay(milli);
}

extern "C" void Sys_print(const char *str) {
  Serial.println(str);
}

extern "C" uint32_t Neo_getPixelColor(uint16_t n) {
  return strip.getPixelColor(n);
}

extern "C" uint32_t Neo_Color(uint8_t r, uint8_t g, uint8_t b) {
  return strip.Color(r, g, b);
}

extern "C" void Neo_setPixelColor(uint16_t n, uint32_t c) {
  strip.setPixelColor(n, c);
}

extern "C" uint16_t Neo_numPixels(void) {
  return strip.numPixels();
}

extern "C" uint8_t Neo_getBrightness(void) {
  return strip.getBrightness();
}

extern "C" void Neo_setBrightness(uint8_t brightness) {
  strip.setBrightness(brightness);
}

extern "C" void Neo_fill(uint32_t c=0, uint16_t first=0, uint16_t count=0) {
  strip.fill(c=0, first=0, count=0);
}

extern "C" void Neo_show() {
  strip.show();
}

extern "C" void Neo_clear() {
  strip.clear();
}

extern "C" uint32_t Neo_Wheel(int wheelpos) {
  return Wheel(wheelpos);
}

uint32_t Wheel(int WheelPos) {
  WheelPos = 255 - WheelPos;
  if(WheelPos < 85) {
    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
  }
  if(WheelPos < 170) {
    WheelPos -= 85;
    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
  }
  WheelPos -= 170;
  return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}

void setup() {
  jsval_t v;
  
  Serial.begin(115200);
  Serial.println();
  Serial.println("Starting-up ...");

  strip.begin();
  strip.show();
  strip.setBrightness(50);
    
  js_import(js, "delay", (uintptr_t) Sys_delay, "vi");
  js_import(js, "print", (uintptr_t) Sys_print, "vs");
  js_import(js, "setBrightness", (uintptr_t) Neo_setBrightness, "vi");
  js_import(js, "getBrightness", (uintptr_t) Neo_getBrightness, "i");
  js_import(js, "show", (uintptr_t) Neo_show, "v");
  js_import(js, "fill", (uintptr_t) Neo_fill, "viii");
  js_import(js, "clear", (uintptr_t) Neo_clear, "v");
  js_import(js, "numPixels", (uintptr_t) Neo_numPixels, "i");
  js_import(js, "getPixelColor", (uintptr_t) Neo_getPixelColor, "i");
  js_import(js, "setPixelColor", (uintptr_t) Neo_setPixelColor, "vii");
  js_import(js, "Color", (uintptr_t) Neo_Color, "iiii");
  js_import(js, "Wheel", (uintptr_t) Neo_Wheel, "ii");
  js_import(js, "jsinfo", (uintptr_t) js_info, "sm");

  // the code would be pulled in from the uart, web, sdio, or spiffs ...

  v = js_eval(js, "let colorWipe = function(color, wait) { let i = 0; while(i < numPixels()) { setPixelColor(i, color); show(); delay(wait); i++; } return i; };", 0);
  if(DEBUG) {
    Serial.println("let colorWipe");
    Serial.printf("result: %s\n", js_str(js, v));
  }
  js_gc(js, v);
  
  v = js_eval(js, "let theaterChase = function(color, wait) { let a = 0, b, c; while(a < 10) { b = 0; while(b < 3) { clear(); c = b; while(c < numPixels()) { setPixelColor(c, color); c = c + 3; } show(); delay(wait); b++; } a++; } return a; };", 0);
  if(DEBUG) {
    Serial.println("let theaterChase");
    Serial.printf("result: %s\n", js_str(js, v));
  }
  js_gc(js, v);
  
  v = js_eval(js, "let theaterChaseRainbow = function(wait) { let j = 0, q, i; while(j < 256) { q = 0; while(q < 3) { i = 0; while(i < numPixels()) { setPixelColor(i+q, Wheel( (i+j) % 255)); i = i + 3; } show(); delay(wait); i = 0; while(i < numPixels()) { setPixelColor(i+q, 0); i = i + 3; } q++; } j++; } return i; }; ", 0);
  if(DEBUG) {
    Serial.println("let theaterChaseRainbow");
    Serial.printf("result: %s\n", js_str(js, v));
  }
  js_gc(js, v);
  
  v = js_eval(js, "let rainbowCycle = function(wait) { let j = 0, i; while(j < 256 * 5) { i = 0; while(i < numPixels()) { setPixelColor(i, Wheel(((i * 256 / numPixels()) + j) & 255)); i++; } show(); delay(wait); j++; } return i; };", 0);
  if(DEBUG) {
    Serial.println("let rainbowCycle");
    Serial.printf("result: %s\n", js_str(js, v));
  }
  js_gc(js, v);
  
  v = js_eval(js, "let rainbow = function(wait) { let j = 0, i; while(j < 256) { i = 0; while(i < numPixels()) { setPixelColor(i, Wheel((i + j) & 255)); i++; } show(); delay(wait); j++; } return i; };", 0);
  if(DEBUG) {
    Serial.println("let rainbow");
    Serial.printf("result: %s\n", js_str(js, v));
  }
  js_gc(js, v);
  
  v = js_eval(js, "let loop = function() { colorWipe(Color(255, 0, 0), 50); colorWipe(Color(0, 255, 0), 50); colorWipe(Color(0, 0, 255), 50); colorWipe(Color(255, 255, 255), 50); theaterChase(Color(255, 255, 255), 50); theaterChase(Color(255, 0, 0), 50); theaterChase(Color(0, 0, 255), 50); theaterChase(Color(0, 255, 0), 50); rainbow(10); rainbowCycle(10); theaterChaseRainbow(50); return 'Done'; }; ", 0);
  if(DEBUG) {
    Serial.println("let loop");
    Serial.printf("result: %s\n", js_str(js, v));
  }
  js_gc(js, v);
  
  if(DEBUG) {
    Serial.println("jsinfo()");
    v = js_eval(js, "print(jsinfo(null)); return 'Done';", 0);
    Serial.printf("result: %s\n", js_str(js, v));
    js_gc(js, v);
  }
  
  Serial.println("setup complete ... looping");
}

void loop() {
  jsval_t v;

  Serial.println(" ... looping");
  
  v = js_eval(js, "loop();", 0);
  
  if(DEBUG) {
    Serial.println("loop()");
    Serial.printf("result: %s\n", js_str(js, v));
    js_gc(js, v);
    Serial.println("jsinfo()");
    v = js_eval(js, "print(jsinfo(null)); return 'Done';", 0);
    Serial.printf("result: %s\n", js_str(js, v));
  }
  js_gc(js, v);    

  // testing code separately ...
  
  v = js_eval(js, "colorWipe(Color(255, 0, 0), 50); colorWipe(Color(0, 255, 0), 50); colorWipe(Color(0, 0, 255), 50); colorWipe(Color(255, 255, 255), 50);", 0);
  if(DEBUG) {
    Serial.println("colorWipe()");
    Serial.printf("result: %s\n", js_str(js, v));
  }
  js_gc(js, v);

  v = js_eval(js, "theaterChase(Color(255, 255, 255), 50); theaterChase(Color(255, 0, 0), 50); theaterChase(Color(0, 0, 255), 50); theaterChase(Color(0, 255, 0), 50);", 0);
  if(DEBUG) {
    Serial.println("theaterChase()");
    Serial.printf("result: %s\n", js_str(js, v));
  }
  js_gc(js, v);

  v = js_eval(js, "rainbow(10);", 0);
  if(DEBUG) {
    Serial.println("rainbow()");
    Serial.printf("result: %s\n", js_str(js, v));
  }
  js_gc(js, v);

  v = js_eval(js, "rainbowCycle(10);", 0);  
  if(DEBUG) {
    Serial.println("rainbowCycle()");
    Serial.printf("result: %s\n", js_str(js, v));
  }
  js_gc(js, v);

  v = js_eval(js, "theaterChaseRainbow(50);", 0);
  if(DEBUG) {
    Serial.println("theaterChaseRainbow()");
    Serial.printf("result: %s\n", js_str(js, v));
  }
  js_gc(js, v);

}

Results

Starting-up ...
let colorWipe
result: function(color, wait) { let i = 0; while(i < numPixels()) { setPixelColor(i, color); show(); delay(wait); i++; } return i; }
let theaterChase
result: function(color, wait) { let a = 0, b, c; while(a < 10) { b = 0; while(b < 3) { clear(); c = b; while(c < numPixels()) { setPixelColor(c, color); c = c + 3; } show(); delay(wait); b++; } a++; } return a; }
let theaterChaseRainbow
result: function(wait) { let j = 0, q, i; while(j < 256) { q = 0; while(q < 3) { i = 0; while(i < numPixels()) { setPixelColor(i+q, Wheel( (i+j) % 255)); i = i + 3; } show(); delay(wait); i = 0; while(i < numPixels()) { setPixelColor(i+q, 0); i = i + 3; } q++; } j++; } return i; }
let rainbowCycle
result: function(wait) { let j = 0, i; while(j < 256 * 5) { i = 0; while(i < numPixels()) { setPixelColor(i, Wheel(((i * 256 / numPixels()) + j) & 255)); i++; } show(); delay(wait); j++; } return i; }
let rainbow
result: function(wait) { let j = 0, i; while(j < 256) { i = 0; while(i < numPixels()) { setPixelColor(i, Wheel((i + j) & 255)); i++; } show(); delay(wait); j++; } return i; }
let loop
result: function() { colorWipe(Color(255, 0, 0), 50); colorWipe(Color(0, 255, 0), 50); colorWipe(Color(0, 0, 255), 50); colorWipe(Color(255, 255, 255), 50); theaterChase(Color(255, 255, 255), 50); theaterChase(Color(255, 0, 0), 50); theaterChase(Color(0, 0, 255), 50); theaterChase(Color(0, 255, 0), 50); rainbow(10); rainbowCycle(10); theaterChaseRainbow(50); return 'Done'; }
jsinfo()
{"core":136,"mem":3960,"used":1855}
result: "Done"
setup complete ... looping
 ... looping
loop()
result: ERROR 1195
jsinfo()
{"core":136,"mem":3960,"used":2010}
result: "Done"
colorWipe()
result: 8
theaterChase()
result: undefined
rainbow()
result: ERROR 1195
rainbowCycle()
result: ERROR 1195
theaterChaseRainbow()
result: undefined
 ... looping
loop()
result: ERROR 1195
jsinfo()
{"core":136,"mem":3960,"used":2010}
result: "Done"
colorWipe()
result: 8
theaterChase()
result: undefined
rainbow()
result: ERROR 1195
rainbowCycle()
result: ERROR 1195
theaterChaseRainbow()
result: undefined
 ... looping
loop()
result: ERROR 1195
jsinfo()
{"core":136,"mem":3960,"used":2077}
result: "Done"
colorWipe()
result: 8
theaterChase()
result: undefined
rainbow()
result: ERROR 1195
rainbowCycle()
result: ERROR 1195
theaterChaseRainbow()
result: undefined
 ... looping
loop()
result: ERROR 1195
jsinfo()
{"core":136,"mem":3960,"used":2077}
result: "Done"
colorWipe()
result: 8
theaterChase()
result: undefined
rainbow()
result: ERROR 1195
rainbowCycle()
result: ERROR 1195
theaterChaseRainbow()
result: undefined
 ... looping
loop()
result: ERROR 1195
jsinfo()
{"core":136,"mem":3960,"used":2077}
result: "Done"
colorWipe()
result: 8
theaterChase()
result: undefined
rainbow()
result: ERROR 1195
rainbowCycle()
result: ERROR 1195
theaterChaseRainbow()
result: undefined
 ... looping

LINUX_DIST="Linux Mint 18.3 Sylvia MATE 32-bit"
KERNEL=Linux computer 4.10.0-38-generic i686 i686 i686 GNU/Linux

ARDUINO IDE: 1.8.10 (32bit)
elk Library: version 0.0.16 (Installed using Arduino IDE library manager)
ESP32 boards (DEVKIT): 1.0.4 (Installed with board manager from Arduino IDE)

Test Code 0.0.16

// example of using the elk javascript engine innen Arduino Environment on esp32
// Adafruit_NeoPixel strandtest.ino ported to elk javascript engine ...

#include <Adafruit_NeoPixel.h>
#include <elk.h> 

#define ALLOC     4096 // also tried 8192
#define LED_PIN   15
#define LED_COUNT 8
#define DEBUG     1

struct  js *js = js_create(malloc(ALLOC), ALLOC);

// NeoPixel config could be handled elsewhere ... such as with a web interface

Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);

extern "C" void Sys_delay(unsigned long milli) {
  delay(milli);
}

extern "C" void Sys_print(const char *str) {
  Serial.println(str);
}

extern "C" uint32_t Neo_getPixelColor(uint16_t n) {
  return strip.getPixelColor(n);
}

extern "C" uint32_t Neo_Color(uint8_t r, uint8_t g, uint8_t b) {
  return strip.Color(r, g, b);
}

extern "C" void Neo_setPixelColor(uint16_t n, uint32_t c) {
  strip.setPixelColor(n, c);
}

extern "C" uint16_t Neo_numPixels(void) {
  return strip.numPixels();
}

extern "C" uint8_t Neo_getBrightness(void) {
  return strip.getBrightness();
}

extern "C" void Neo_setBrightness(uint8_t brightness) {
  strip.setBrightness(brightness);
}

extern "C" void Neo_fill(uint32_t c=0, uint16_t first=0, uint16_t count=0) {
  strip.fill(c=0, first=0, count=0);
}

extern "C" void Neo_show() {
  strip.show();
}

extern "C" void Neo_clear() {
  strip.clear();
}

extern "C" uint32_t Neo_Wheel(int wheelpos) {
  return Wheel(wheelpos);
}

uint32_t Wheel(int WheelPos) {
  WheelPos = 255 - WheelPos;
  if(WheelPos < 85) {
    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
  }
  if(WheelPos < 170) {
    WheelPos -= 85;
    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
  }
  WheelPos -= 170;
  return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}

void setup() {
  jsval_t v;
  char buf[256];
  
  Serial.begin(115200);
  Serial.println();
  Serial.println("Starting-up ...");

  strip.begin();
  strip.show();
  strip.setBrightness(50);
    
  js_import(js, "delay", (uintptr_t) Sys_delay, "vi");
  js_import(js, "print", (uintptr_t) Sys_print, "vs");
  js_import(js, "setBrightness", (uintptr_t) Neo_setBrightness, "vi");
  js_import(js, "getBrightness", (uintptr_t) Neo_getBrightness, "i");
  js_import(js, "show", (uintptr_t) Neo_show, "v");
  js_import(js, "fill", (uintptr_t) Neo_fill, "viii");
  js_import(js, "clear", (uintptr_t) Neo_clear, "v");
  js_import(js, "numPixels", (uintptr_t) Neo_numPixels, "i");
  js_import(js, "getPixelColor", (uintptr_t) Neo_getPixelColor, "i");
  js_import(js, "setPixelColor", (uintptr_t) Neo_setPixelColor, "vii");
  js_import(js, "Color", (uintptr_t) Neo_Color, "iiii");
  js_import(js, "Wheel", (uintptr_t) Neo_Wheel, "ii");
  js_import(js, "jsinfo", (uintptr_t) js_info, "sm");

  // the code would be pulled in from the uart, web, sdio, or spiffs ...

  v = js_eval(js, "let colorWipe = function(color, wait) { let i = 0; while(i < numPixels()) { setPixelColor(i, color); show(); delay(wait); i++; } return i; };", 0);
  if(DEBUG) {
    Serial.println("let colorWipe");
    Serial.printf("result: %s\n", js_fmt(js, v, buf, sizeof(buf)));
  }
  js_gc(js, v);
  
  v = js_eval(js, "let theaterChase = function(color, wait) { let a = 0, b, c; while(a < 10) { b = 0; while(b < 3) { clear(); c = b; while(c < numPixels()) { setPixelColor(c, color); c = c + 3; } show(); delay(wait); b++; } a++; } return a; };", 0);
  if(DEBUG) {
    Serial.println("let theaterChase");
    Serial.printf("result: %s\n", js_fmt(js, v, buf, sizeof(buf)));
  }
  js_gc(js, v);
  
  v = js_eval(js, "let theaterChaseRainbow = function(wait) { let j = 0, q, i; while(j < 256) { q = 0; while(q < 3) { i = 0; while(i < numPixels()) { setPixelColor(i+q, Wheel( (i+j) % 255)); i = i + 3; } show(); delay(wait); i = 0; while(i < numPixels()) { setPixelColor(i+q, 0); i = i + 3; } q++; } j++; } return i; }; ", 0);
  if(DEBUG) {
    Serial.println("let theaterChaseRainbow");
    Serial.printf("result: %s\n", js_fmt(js, v, buf, sizeof(buf)));
  }
  js_gc(js, v);
  
  v = js_eval(js, "let rainbowCycle = function(wait) { let j = 0, i; while(j < 256 * 5) { i = 0; while(i < numPixels()) { setPixelColor(i, Wheel(((i * 256 / numPixels()) + j) & 255)); i++; } show(); delay(wait); j++; } return i; };", 0);
  if(DEBUG) {
    Serial.println("let rainbowCycle");
    Serial.printf("result: %s\n", js_fmt(js, v, buf, sizeof(buf)));
  }
  js_gc(js, v);
  
  v = js_eval(js, "let rainbow = function(wait) { let j = 0, i; while(j < 256) { i = 0; while(i < numPixels()) { setPixelColor(i, Wheel((i + j) & 255)); i++; } show(); delay(wait); j++; } return i; };", 0);
  if(DEBUG) {
    Serial.println("let rainbow");
    Serial.printf("result: %s\n", js_fmt(js, v, buf, sizeof(buf)));
  }
  js_gc(js, v);
  
  v = js_eval(js, "let loop = function() { colorWipe(Color(255, 0, 0), 50); colorWipe(Color(0, 255, 0), 50); colorWipe(Color(0, 0, 255), 50); colorWipe(Color(255, 255, 255), 50); theaterChase(Color(255, 255, 255), 50); theaterChase(Color(255, 0, 0), 50); theaterChase(Color(0, 0, 255), 50); theaterChase(Color(0, 255, 0), 50); rainbow(10); rainbowCycle(10); theaterChaseRainbow(50); return 'Done'; }; ", 0);
  if(DEBUG) {
    Serial.println("let loop");
    Serial.printf("result: %s\n", js_fmt(js, v, buf, sizeof(buf)));
  }
  js_gc(js, v);
  
  if(DEBUG) {
    Serial.println("jsinfo()");
    v = js_eval(js, "print(jsinfo(null)); return 'Done';", 0);
    Serial.printf("result: %s\n", js_fmt(js, v, buf, sizeof(buf)));
    js_gc(js, v);
  }
  
  Serial.println("setup complete ... looping");
}

void loop() {
  jsval_t v;
  char buf[256];

  Serial.println(" ... looping");
  
  v = js_eval(js, "loop();", 0);
  
  if(DEBUG) {
    Serial.println("loop()");
    Serial.printf("result: %s\n", js_fmt(js, v, buf, sizeof(buf)));
    js_gc(js, v);
    Serial.println("jsinfo()");
    v = js_eval(js, "print(jsinfo(null)); return 'Done';", 0);
    Serial.printf("result: %s\n", js_fmt(js, v, buf, sizeof(buf)));
  }
  js_gc(js, v);    

  // testing code separately ...
  
  v = js_eval(js, "colorWipe(Color(255, 0, 0), 50); colorWipe(Color(0, 255, 0), 50); colorWipe(Color(0, 0, 255), 50); colorWipe(Color(255, 255, 255), 50);", 0);
  if(DEBUG) {
    Serial.println("colorWipe()");
    Serial.printf("result: %s\n", js_fmt(js, v, buf, sizeof(buf)));
  }
  js_gc(js, v);

  v = js_eval(js, "theaterChase(Color(255, 255, 255), 50); theaterChase(Color(255, 0, 0), 50); theaterChase(Color(0, 0, 255), 50); theaterChase(Color(0, 255, 0), 50);", 0);
  if(DEBUG) {
    Serial.println("theaterChase()");
    Serial.printf("result: %s\n", js_fmt(js, v, buf, sizeof(buf)));
  }
  js_gc(js, v);

  v = js_eval(js, "rainbow(10);", 0);
  if(DEBUG) {
    Serial.println("rainbow()");
    Serial.printf("result: %s\n", js_fmt(js, v, buf, sizeof(buf)));
  }
  js_gc(js, v);

  v = js_eval(js, "rainbowCycle(10);", 0);  
  if(DEBUG) {
    Serial.println("rainbowCycle()");
    Serial.printf("result: %s\n", js_fmt(js, v, buf, sizeof(buf)));
  }
  js_gc(js, v);

  v = js_eval(js, "theaterChaseRainbow(50);", 0);
  if(DEBUG) {
    Serial.println("theaterChaseRainbow()");
    Serial.printf("result: %s\n", js_fmt(js, v, buf, sizeof(buf)));
  }
  js_gc(js, v);

}

Results

Starting-up ...
let colorWipe
result: function(color, wait) { let i = 0; while(i < numPixels()) { setPixelColor(i, color); show(); delay(wait); i++; } return i; }
let theaterChase
result: function(color, wait) { let a = 0, b, c; while(a < 10) { b = 0; while(b < 3) { clear(); c = b; while(c < numPixels()) { setPixelColor(c, color); c = c + 3; } show(); delay(wait); b++; } a++; } return a; }
let theaterChaseRainbow
result: function(wait) { let j = 0, q, i; while(j < 256) { q = 0; while(q < 3) { i = 0; while(i < numPixels()) { setPixelColor(i+q, Wheel( (i+j) % 255)); i = i + 3; } show(); delay(wait); i = 0; while(i < numPixels()) { setPixelColor(i+q, 0); i = i + 3; } q++; } 
let rainbowCycle
result: function(wait) { let j = 0, i; while(j < 256 * 5) { i = 0; while(i < numPixels()) { setPixelColor(i, Wheel(((i * 256 / numPixels()) + j) & 255)); i++; } show(); delay(wait); j++; } return i; }
let rainbow
result: function(wait) { let j = 0, i; while(j < 256) { i = 0; while(i < numPixels()) { setPixelColor(i, Wheel((i + j) & 255)); i++; } show(); delay(wait); j++; } return i; }
let loop
result: function() { colorWipe(Color(255, 0, 0), 50); colorWipe(Color(0, 255, 0), 50); colorWipe(Color(0, 0, 255), 50); colorWipe(Color(255, 255, 255), 50); theaterChase(Color(255, 255, 255), 50); theaterChase(Color(255, 0, 0), 50); theaterChase(Color(0, 0, 255),
jsinfo()
{"core":136,"mem":3960,"used":2005}
result: "Done"
setup complete ... looping
 ... looping
loop()
result: "Done"
jsinfo()
{"core":136,"mem":3960,"used":2065}
result: "Done"
colorWipe()
result: 8
theaterChase()
result: 10
rainbow()
result: 8
rainbowCycle()
result: 8
theaterChaseRainbow()
result: undefined
 ... looping
loop()
result: ERROR 1278
jsinfo()
{"core":136,"mem":3960,"used":2125}
result: "Done"
colorWipe()
result: 8
theaterChase()
result: ERROR 1278
rainbow()
result: 8
rainbowCycle()
result: 8
theaterChaseRainbow()
result: undefined
 ... looping

working test code all in arduino c

#include <Adafruit_NeoPixel.h>

#define LED_PIN   15
#define LED_COUNT 8
#define DEBUG     1



Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);

uint32_t Wheel(int WheelPos) {
  WheelPos = 255 - WheelPos;
  if(WheelPos < 85) {
    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
  }
  if(WheelPos < 170) {
    WheelPos -= 85;
    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
  }
  WheelPos -= 170;
  return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}

void setup() {
  Serial.begin(115200);
  Serial.println();
  Serial.println("Starting-up ...");

  strip.begin();
  strip.show();
  strip.setBrightness(50);
  Serial.println("setup complete ...");
}

void loop() {
  Serial.println(" ... looping");
  colorWipe(strip.Color(255, 0, 0), 50);
  colorWipe(strip.Color(0, 255, 0), 50);
  colorWipe(strip.Color(0, 0, 255), 50);
  colorWipe(strip.Color(255, 255, 255), 50);
  theaterChase(strip.Color(255, 255, 255), 50);
  theaterChase(strip.Color(255, 0, 0), 50);
  theaterChase(strip.Color(0, 0, 255), 50);
  theaterChase(strip.Color(0, 255, 0), 50);
  rainbow(10);
  rainbowCycle(10); 
  theaterChaseRainbow(50);  
}

void colorWipe(uint32_t color, int wait) {
    int i=0;
    while(i<strip.numPixels()) {
        strip.setPixelColor(i, color);
        strip.show();
        delay(wait);
        i++;
    }
}

void theaterChase(uint32_t color, int wait) {
    int a=0, b, c;
    while(a<10) {
        b=0;
        while(b<3) {
            strip.clear();
            c=b;
            while(c<strip.numPixels()) {
                strip.setPixelColor(c, color);
                c += 3;
            }
            strip.show();
            delay(wait);
            b++;
        }
        a++;
    }
}

void theaterChaseRainbow(uint8_t wait) {
    int j=0,q;
    uint16_t i=0;

    while(j < 256) {
        q=0;
        while(q < 3) {
            i=0;
            while(i < strip.numPixels()) {
                strip.setPixelColor(i+q, Wheel( (i+j) % 255));
                i=i+3;
            }
            strip.show();
            delay(wait);
            i=0;
            while(i < strip.numPixels()) {
                strip.setPixelColor(i+q, 0);
                i=i+3;
            }
            q++;
        }
        j++;
    }
}

void rainbowCycle(uint8_t wait) {
  uint16_t i, j = 0;
  while(j<256*5) {
    i=0;
    while(i< strip.numPixels()) {
      strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
      i++;
    }
    strip.show();
    delay(wait);
    j++;
  }
}

void rainbow(uint8_t wait) {
    uint16_t i, j = 0;
    while(j<256) {
        i=0;
        while(i<strip.numPixels()) {
            strip.setPixelColor(i, Wheel((i+j) & 255));
            i++;
        }
        strip.show();
        delay(wait);
        j++;
    }
}

code progression - elk <- c while loops <- c for loops (original)

// elk
js_eval(js, "let colorWipe = 
function(color, wait) { 
    let i = 0;
    while(i < numPixels()) { 
        setPixelColor(i, color); 
        show(); 
        delay(wait); 
        i++; 
    }
};", 0);

// c while
void colorWipe(uint32_t color, int wait) {
    int i=0;
    while(i<strip.numPixels()) {
        strip.setPixelColor(i, color);
        strip.show();
        delay(wait);
        i++;
    }
}

// c for
void colorWipe(uint32_t color, int wait) {
  for(int i=0; i<strip.numPixels(); i++) {
    strip.setPixelColor(i, color);
    strip.show();
    delay(wait);
  }
}

// elk
js_eval(js, "let theaterChase = 
function(color, wait) { 
    let a = 0, b, c; 
    while(a < 10) { 
        b = 0; 
        while(b < 3) { 
            clear(); 
            c = b; 
            while(c < numPixels()) { 
                setPixelColor(c, color);
                c = c + 3;
            } 
            show();
            delay(wait);
            b++;
        }
        a++;
    } 
}; ", 0);

// c while
void theaterChase(uint32_t color, int wait) {
    int a=0, b, c;
    while(a<10) {
        b=0;
        while(b<3) {
            strip.clear();
            c=b;
            while(c<strip.numPixels()) {
                strip.setPixelColor(c, color);
                c += 3;
            }
            strip.show();
            delay(wait);
            b++;
        }
        a++;
    }
}

// c for
void theaterChase(uint32_t color, int wait) {
  for(int a=0; a<10; a++) {
    for(int b=0; b<3; b++) {
      strip.clear();
      for(int c=b; c<strip.numPixels(); c += 3) {
        strip.setPixelColor(c, color);
      }
      strip.show();
      delay(wait);
    }
  }
}

// elk
js_eval(js, "let theaterChaseRainbow = 
function(wait) {
    let j = 0, q, i;
    while(j < 256) {
        q = 0;
        while(q < 3) {
            i = 0;
            while(i < numPixels()) {
                setPixelColor(i+q, Wheel((i+j) % 255));
                i = i + 3;
            }
            show();
            delay(wait);
            i = 0;
            while(i < numPixels()) {
                setPixelColor(i+q, 0);
                i = i + 3;
            }
            q++;
        }
        j++;
    }
}; ", 0);

// c while
void theaterChaseRainbow(uint8_t wait) {
    int j=0,q;
    uint16_t i=0;

    while(j < 256) {
        q=0;
        while(q < 3) {
            i=0;
            while(i < strip.numPixels()) {
                strip.setPixelColor(i+q, Wheel( (i+j) % 255));
                i=i+3;
            }
            strip.show();
            delay(wait);
            i=0;
            while(i < strip.numPixels()) {
                strip.setPixelColor(i+q, 0);
                i=i+3;
            }
            q++;
        }
        j++;
    }
}

// c for
void theaterChaseRainbow(uint8_t wait) {
  for (int j=0; j < 256; j++) {
    for (int q=0; q < 3; q++) {
      for (uint16_t i=0; i < strip.numPixels(); i=i+3) {
        strip.setPixelColor(i+q, Wheel( (i+j) % 255));
      }
      strip.show();

      delay(wait);

      for (uint16_t i=0; i < strip.numPixels(); i=i+3) {
        strip.setPixelColor(i+q, 0);
      }
    }
  }
}

// elk
js_eval(js, "let rainbowCycle = 
function(wait) { 
    let j = 0, i;
    while(j < 256 * 5) { 
        i = 0; 
        while(i < numPixels()) {
            setPixelColor(i, Wheel(((i * 256 / numPixels()) + j) & 255)); 
            i++; 
        } 
        show(); 
        delay(wait); 
        j++; 
    } 
}; ", 0);

// c while
void rainbowCycle(uint8_t wait) {
  uint16_t i, j = 0;
  while(j<256*5) {
    i=0;
    while(i< strip.numPixels()) {
      strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
      i++;
    }
    strip.show();
    delay(wait);
    j++;
  }
}

// c for
void rainbowCycle(uint8_t wait) {
  uint16_t i, j;

  for(j=0; j<256*5; j++) {
    for(i=0; i< strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
    }
    strip.show();
    delay(wait);
  }
}

// elk
js_eval(js, "let rainbow = 
function(wait) { 
    let j = 0, i;
    j = 0 ;
    while(j < 256) { 
        i = 0;
        while(i < numPixels()) { 
            setPixelColor(i, Wheel((i + j) & 255));
            i++;
        }
        show();
        delay(wait);
        j++;
    }
}; ", 0);

// c while
void rainbow(uint8_t wait) {
    uint16_t i, j = 0;
    while(j<256) {
        i=0;
        while(i<strip.numPixels()) {
            strip.setPixelColor(i, Wheel((i+j) & 255));
            i++;
        }
        strip.show();
        delay(wait);
        j++;
    }
}

// c for
void rainbow(uint8_t wait) {
  uint16_t i, j;

  for(j=0; j<256; j++) {
    for(i=0; i<strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel((i+j) & 255));
    }
    strip.show();
    delay(wait);
  }
}

sfranzyshen · 2019-12-11T03:48:35Z

When I edit the while loops to have the let statements within them rather than at the top of each function ... for example:

from this ...
v = js_eval(js, "let theaterChase = function(color, wait) { let a = 0, b, c; while(a < 10) { b = 0; while(b < 3) { clear(); c = b; while(c < numPixels()) { setPixelColor(c, color); c = c + 3; } show(); delay(wait); b++; } a++; } return a; };", 0);

to this ...
v = js_eval(js, "let theaterChase = function(color, wait) { let a = 0; while(a < 10) { let b = 0; while(b < 3) { clear(); let c = b; while(c < numPixels()) { setPixelColor(c, color); c = c + 3; } show(); delay(wait); b++; } a++; } return c; };", 0);

I get this response ...
in 0.0.16

Starting-up ...
let colorWipe
result: function(color, wait) { let i = 0; while(i < numPixels()) { setPixelColor(i, color); show(); delay(wait); i++; } return i; }
let theaterChase
result: function(color, wait) { let a = 0; while(a < 10) { let b = 0; while(b < 3) { clear(); let c = b; while(c < numPixels()) { setPixelColor(c, color); c = c + 3; } show(); delay(wait); b++; } a++; } return c; }
let theaterChaseRainbow
result: function(wait) { let j = 0; while(j < 256) { let q = 0; while(q < 3) { let i = 0; while(i < numPixels()) { setPixelColor(i+q, Wheel( (i+j) % 255)); i = i + 3; } show(); delay(wait); i = 0; while(i < numPixels()) { setPixelColor(i+q, 0); i = i + 3; } q++; 
let rainbowCycle
result: function(wait) { let j = 0; while(j < 256 * 5) { let i = 0; while(i < numPixels()) { setPixelColor(i, Wheel(((i * 256 / numPixels()) + j) & 255)); i++; } show(); delay(wait); j++; } return i; }
let rainbow
result: function(wait) { let j = 0; while(j < 256) { let i = 0; while(i < numPixels()) { setPixelColor(i, Wheel((i + j) & 255)); i++; } show(); delay(wait); j++; } return i; }
let loop
result: function() { colorWipe(Color(255, 0, 0), 50); colorWipe(Color(0, 255, 0), 50); colorWipe(Color(0, 0, 255), 50); colorWipe(Color(255, 255, 255), 50); theaterChase(Color(255, 255, 255), 50); theaterChase(Color(255, 0, 0), 50); theaterChase(Color(0, 0, 255),
jsinfo()
{"core":136,"mem":3960,"used":2011}
result: "Done"
setup complete ... looping
 ... looping
loop()
result: ERROR 1145
jsinfo()
{"core":136,"mem":3960,"used":2060}
result: "Done"
colorWipe()
result: "Done"
theaterChase()
result: ERROR 1145
rainbow()
result: 0
rainbowCycle()
result: ERROR 1278
theaterChaseRainbow()
result: undefined
 ... looping
loop()
result: ERROR 1190
jsinfo()
{"core":136,"mem":3960,"used":2211}
result: "Done"
colorWipe()
result: "Done"
theaterChase()
result: "Done"
rainbow()
result: ERROR 1190
rainbowCycle()
result: ERROR 1190
theaterChaseRainbow()
result: undefined
 ... looping
loop()
result: ERROR 1190
jsinfo()
{"core":136,"mem":3960,"used":2211}
result: "Done"
colorWipe()
result: "Done"
theaterChase()
result: "Done"
rainbow()
result: ERROR 1190
rainbowCycle()
result: ERROR 1190
theaterChaseRainbow()
result: undefined
 ... looping
loop()
result: ERROR 1190
jsinfo()
{"core":136,"mem":3960,"used":2211}
result: "Done"
colorWipe()
result: "Done"
theaterChase()
result: "Done"
rainbow()
result: ERROR 1190
rainbowCycle()
result: ERROR 1190
theaterChaseRainbow()
result: undefined
 ... looping

and this in 0.0.17

Starting-up ...
let colorWipe
result: function(color, wait) { let i = 0; while(i < numPixels()) { setPixelColor(i, color); show(); delay(wait); i++; } return i; }
let theaterChase
result: function(color, wait) { let a = 0; while(a < 10) { let b = 0; while(b < 3) { clear(); let c = b; while(c < numPixels()) { setPixelColor(c, color); c = c + 3; } show(); delay(wait); b++; } a++; } return c; }
let theaterChaseRainbow
result: function(wait) { let j = 0; while(j < 256) { let q = 0; while(q < 3) { let i = 0; while(i < numPixels()) { setPixelColor(i+q, Wheel( (i+j) % 255)); i = i + 3; } show(); delay(wait); i = 0; while(i < numPixels()) { setPixelColor(i+q, 0); i = i + 3; } q++; } j++; } return i; }
let rainbowCycle
result: function(wait) { let j = 0; while(j < 256 * 5) { let i = 0; while(i < numPixels()) { setPixelColor(i, Wheel(((i * 256 / numPixels()) + j) & 255)); i++; } show(); delay(wait); j++; } return i; }
let rainbow
result: function(wait) { let j = 0; while(j < 256) { let i = 0; while(i < numPixels()) { setPixelColor(i, Wheel((i + j) & 255)); i++; } show(); delay(wait); j++; } return i; }
let loop
result: function() { colorWipe(Color(255, 0, 0), 50); colorWipe(Color(0, 255, 0), 50); colorWipe(Color(0, 0, 255), 50); colorWipe(Color(255, 255, 255), 50); theaterChase(Color(255, 255, 255), 50); theaterChase(Color(255, 0, 0), 50); theaterChase(Color(0, 0, 255), 50); theaterChase(Color(0, 255, 0), 50); rainbow(10); rainbowCycle(10); theaterChaseRainbow(50); return 'Done'; }
jsinfo()
{"core":136,"mem":3960,"used":1861}
result: "Done"
setup complete ... looping
 ... looping
loop()
result: ERROR 1195
jsinfo()
{"core":136,"mem":3960,"used":2047}
result: "Done"
colorWipe()
result: "Done"
theaterChase()
result: "Done"
rainbow()
result: ERROR 1195
rainbowCycle()
result: ERROR 1195
theaterChaseRainbow()
result: undefined
 ... looping
loop()
result: ERROR 1195
jsinfo()
{"core":136,"mem":3960,"used":2047}
result: "Done"
colorWipe()
result: "Done"
theaterChase()
result: "Done"
rainbow()
result: ERROR 1195
rainbowCycle()
result: ERROR 1195
theaterChaseRainbow()
result: undefined
 ... looping
loop()
result: ERROR 1195
jsinfo()
{"core":136,"mem":3960,"used":2047}
result: "Done"
colorWipe()
result: "Done"
theaterChase()
result: "Done"
rainbow()
result: ERROR 1195
rainbowCycle()
result: ERROR 1195
theaterChaseRainbow()
result: undefined
 ... looping

cpq · 2019-12-17T19:12:15Z

Are you sure you're running the latest version?
The latest version does not export js_fmt.

sfranzyshen · 2019-12-17T20:08:20Z

Are you sure you're running the latest version?
The latest version does not export js_fmt.

I performed all test on both 0.0.16 & 0.0.17 ... shown above (0.0.17 code is listed first) is the code used for the 0.0.17 test ... and (second) the next block of code was used for testing 0.0.16 ... so ... Yes, I'm running the latest version! ... and the 0.0.16 older version too! ... I was trying to show how somethings were working under 0.0.16 ... and are now not working in 0.0.17 ...

sorry for all the content above ... and if it caused any confusion (I tried to label everything ...)

cpq · 2019-12-17T20:56:22Z

Ah, sorry about that.

Also please note that elk's numbers are packed into the C 32-bit float type. Thus, integer values are 23 bit max. You cannot import functions that return or accept uint32_t. Make the range fall into 23 bits. For example, instead of setPixelColor() that accept a single uint32_t color value, make it accept 3 values - r, g, b; each taking 0-255 range.

Of course this point does not address an issue you've reported. We'll try to reproduce.

cpq · 2019-12-17T21:53:12Z

Starting to repro. This works fine on my 16-pixel strip:

// example of using the elk javascript engine innen Arduino Environment on esp32
// Adafruit_NeoPixel strandtest.ino ported to elk javascript engine ...

#include <Adafruit_NeoPixel.h>
#include <elk.h> 

#define ALLOC     4096 // also tried 8192
#define LED_PIN   10
#define LED_COUNT 16
#define DEBUG     1

struct  js *js = js_create(malloc(ALLOC), ALLOC);
Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  Serial.begin(115200);
  Serial.println();
  Serial.println("Starting-up ...");

  js_import(js, "delay", (uintptr_t) Sys_delay, "vi");
  js_import(js, "print", (uintptr_t) Sys_print, "vs");
  js_import(js, "show", (uintptr_t) Neo_show, "v");
  js_import(js, "setPixelColor", (uintptr_t) Neo_setPixelColor, "viiii");

  js_eval(js, "let colorWipe = function(d, r, g, b) { let i = 0; while (i < 16) { i++; setPixelColor(i, r, g, b); show(); delay(d); } };", 0);

  strip.begin();
  strip.show();
  strip.setBrightness(50);
  Serial.println("setup complete ...");
}

extern "C" void Neo_show() {  strip.show(); }
extern "C" void Neo_setPixelColor(uint16_t n, int r, int g, int b) { strip.setPixelColor(n, strip.Color(r, g, b)); }
extern "C" void Sys_delay(unsigned long milli) { delay(milli); }
extern "C" void Sys_print(const char *str) { Serial.println(str); }

void loop() {
  Serial.println(" ... looping");
  js_eval(js, "colorWipe(50, 255, 0, 0);", 0);
  js_eval(js, "colorWipe(50, 0, 255, 0);", 0);
}

cpq · 2019-12-17T22:02:05Z

Added theaterChase() which also works fine (see below).
Please refactor the rest of the tests in the same manner. Please let me know how that works.

// example of using the elk javascript engine innen Arduino Environment on esp32
// Adafruit_NeoPixel strandtest.ino ported to elk javascript engine ...

#include <Adafruit_NeoPixel.h>
#include <elk.h> 

#define ALLOC     4096 // also tried 8192
#define LED_PIN   10
#define LED_COUNT 16
#define DEBUG     1

struct  js *js = js_create(malloc(ALLOC), ALLOC);
Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  Serial.begin(115200);
  Serial.println();
  Serial.println("Starting-up ...");

  js_import(js, "delay", (uintptr_t) Sys_delay, "vi");
  js_import(js, "print", (uintptr_t) Sys_print, "vs");
  js_import(js, "show", (uintptr_t) Neo_show, "v");
  js_import(js, "clear", (uintptr_t) Neo_clear, "v");
  js_import(js, "setPixelColor", (uintptr_t) Neo_setPixelColor, "viiii");

  js_eval(js, "let colorWipe = function(d, r, g, b) { let i = 0; while (i < 16) { i++; setPixelColor(i, r, g, b); show(); delay(d); } };", 0);
  js_eval(js, "let theaterChase = function(d, r, g, b) { let a = 0, b, c; while (a < 10) { b = 0; while (b < 3) { clear(); c=b; while (c<16) { setPixelColor(c, r,g,b); c += 3; } show(); delay(d); b++; } a++; } };", 0);
  
  strip.begin();
  strip.show();
  strip.setBrightness(50);
  Serial.println("setup complete ...");
}

extern "C" void Neo_show() {  strip.show(); }
extern "C" void Neo_clear() {  strip.clear(); }
extern "C" void Neo_setPixelColor(uint16_t n, int r, int g, int b) { strip.setPixelColor(n, strip.Color(r, g, b)); }
extern "C" void Sys_delay(unsigned long milli) { delay(milli); }
extern "C" void Sys_print(const char *str) { Serial.println(str); }

void loop() {
  Serial.println(" ... looping");
  js_eval(js, "colorWipe(50, 255, 0, 0);", 0);
  js_eval(js, "colorWipe(50, 0, 255, 0);", 0);
  js_eval(js, "theaterChase(50, 255, 0, 0);", 0);
}

sfranzyshen · 2019-12-18T01:52:51Z

Added theaterChase() which also works fine (see below).
Please refactor the rest of the tests in the same manner. Please let me know how that works.

// example of using the elk javascript engine innen Arduino Environment on esp32
// Adafruit_NeoPixel strandtest.ino ported to elk javascript engine ...

#include <Adafruit_NeoPixel.h>
#include <elk.h> 

#define ALLOC     4096 // also tried 8192
#define LED_PIN   10
#define LED_COUNT 16
#define DEBUG     1

struct  js *js = js_create(malloc(ALLOC), ALLOC);
Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  Serial.begin(115200);
  Serial.println();
  Serial.println("Starting-up ...");

  js_import(js, "delay", (uintptr_t) Sys_delay, "vi");
  js_import(js, "print", (uintptr_t) Sys_print, "vs");
  js_import(js, "show", (uintptr_t) Neo_show, "v");
  js_import(js, "clear", (uintptr_t) Neo_clear, "v");
  js_import(js, "setPixelColor", (uintptr_t) Neo_setPixelColor, "viiii");

  js_eval(js, "let colorWipe = function(d, r, g, b) { let i = 0; while (i < 16) { i++; setPixelColor(i, r, g, b); show(); delay(d); } };", 0);
  js_eval(js, "let theaterChase = function(d, r, g, b) { let a = 0, b, c; while (a < 10) { b = 0; while (b < 3) { clear(); c=b; while (c<16) { setPixelColor(c, r,g,b); c += 3; } show(); delay(d); b++; } a++; } };", 0);
  
  strip.begin();
  strip.show();
  strip.setBrightness(50);
  Serial.println("setup complete ...");
}

extern "C" void Neo_show() {  strip.show(); }
extern "C" void Neo_clear() {  strip.clear(); }
extern "C" void Neo_setPixelColor(uint16_t n, int r, int g, int b) { strip.setPixelColor(n, strip.Color(r, g, b)); }
extern "C" void Sys_delay(unsigned long milli) { delay(milli); }
extern "C" void Sys_print(const char *str) { Serial.println(str); }

void loop() {
  Serial.println(" ... looping");
  js_eval(js, "colorWipe(50, 255, 0, 0);", 0);
  js_eval(js, "colorWipe(50, 0, 255, 0);", 0);
  js_eval(js, "theaterChase(50, 255, 0, 0);", 0);
}

The ColorWipe works fine every time ... however ... i'm clearly still getting different results for the theaterChase ... the first three times loop() is called theaterChase does not finish the while loop correctly (it's ending early) then i get strange colors on the first and second leds ... that I don't experience run a straight c version of the code ... i'll print some things out to see what's going on ...

UPDATE: While running both patterns at the same time ... colorWipe also acts irregularly too ... definitely something is corrupting variables ... therefore also affecting while loops ...

sfranzyshen · 2019-12-18T05:30:52Z

LINUX_DIST="Linux Mint 18.3 Sylvia MATE 32-bit"
KERNEL=Linux computer 4.10.0-38-generic i686 i686 i686 GNU/Linux

ARDUINO IDE: 1.8.10 (32bit)
elk Library: version 0.0.17 (Installed using Arduino IDE library manager)
ESP32 boards (DEVKIT): 1.0.4 (Installed with board manager from Arduino IDE)

Here I have (isolated) theaterChase() echoing back to the console ... and you can clearly see it's not working as expected ... the function never (returns) reaches the end of all the loops ... it bombs out after a couple outer and inner loops ... see below for the results

TEST CODE

// example of using the elk javascript engine innen Arduino Environment on esp32
// Adafruit_NeoPixel strandtest.ino ported to elk javascript engine ...

#include <Adafruit_NeoPixel.h>
#include <elk.h> 

#define ALLOC     4096 // also tried 8192
#define LED_PIN   18
#define LED_COUNT 8
#define DEBUG     1

struct  js *js = js_create(malloc(ALLOC), ALLOC);
Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  jsval_t v;

  Serial.begin(115200);
  Serial.println();
  Serial.println("Starting-up ...");

  js_import(js, "delay", (uintptr_t) Sys_delay, "vi");
  js_import(js, "printStr", (uintptr_t) Sys_printStr, "vs");
  js_import(js, "printInt", (uintptr_t) Sys_printInt, "vi");
  js_import(js, "show", (uintptr_t) Neo_show, "v");
  js_import(js, "clear", (uintptr_t) Neo_clear, "v");
  js_import(js, "setPixelColor", (uintptr_t) Neo_setPixelColor, "viiii");
  js_import(js, "jsinfo", (uintptr_t) js_info, "sm");

  v = js_eval(js, "let theaterChase = function(d, rd, gr, bl) { let a = 0, b, c; while(a < 10) { printStr('a = '); printInt(a); b = 0; while(b < 3) { printStr('b = '); printInt(b); clear(); c = b; while(c < 8) { printStr('c = '); printInt(c); setPixelColor(c, rd, gr, bl); c += 3; } show(); delay(d); b++; } a++; } return 'Done'; };", 0);

  if(DEBUG) {
    Serial.print("let theaterChase ");
    Serial.printf("result: %s\n", js_str(js, v));
  }  
  
  js_gc(js, v);
  
  strip.begin();
  strip.show();
  strip.setBrightness(50);

  v = js_eval(js, "printStr(jsinfo(null)); return 'Done';", 0);

  if(DEBUG) {
    Serial.println("jsinfo()");
    Serial.printf("result: %s\n", js_str(js, v));
  }
  
  js_gc(js, v);

  Serial.println("setup complete ...");
}

extern "C" void Neo_show() { Serial.println("show :"); strip.show(); }
extern "C" void Neo_clear() { Serial.println("clear :"); strip.clear(); }
extern "C" void Neo_setPixelColor(uint16_t n, int r, int g, int b) { Serial.print("setPixelColor :"); Serial.println(n); strip.setPixelColor(n, strip.Color(r, g, b)); }
extern "C" void Sys_delay(unsigned long milli) { Serial.print("delay :"); Serial.println(milli); delay(milli); }
extern "C" void Sys_printStr(const char *str) { Serial.println(str); }
extern "C" void Sys_printInt(int i) { Serial.println(i); }

void loop() {
  jsval_t v;

  Serial.println(" ... looping");

  v = js_eval(js, "theaterChase(50, 255, 0, 0);", 0);

  if(DEBUG) {
    Serial.println("theaterChase() ");
    Serial.printf("result: %s\n", js_str(js, v));
  }
  js_gc(js, v);

}

RESULT

Starting-up ...
let theaterChase result: function(d, rd, gr, bl) { let a = 0, b, c; while(a < 10) { printStr('a = '); printInt(a); b = 0; while(b < 3) { printStr('b = '); printInt(b); clear(); c = b; while(c < 8) { printStr('c = '); printInt(c); setPixelColor(c, rd, gr, bl); c += 3; } show(); delay(d); b++; } a++; } return 'Done'; }
{"core":136,"mem":3960,"used":539}
jsinfo()
result: "Done"
setup complete ...
 ... looping
a = 
0
b = 
0
clear :
c = 
0
setPixelColor :0
c = 
3
setPixelColor :3
c = 
6
setPixelColor :6
show :
delay :50
b = 
1
clear :
c = 
1
setPixelColor :1
c = 
4
setPixelColor :4
c = 
7
setPixelColor :7
show :
delay :50
b = 
2
clear :
c = 
2
setPixelColor :2
c = 
5
setPixelColor :5
show :
delay :50
a = 
1
b = 
0
clear :
c = 
0
setPixelColor :0
c = 
3
setPixelColor :3
c = 
6
setPixelColor :6
show :
delay :50
b = 
1
clear :
c = 
1
setPixelColor :1
c = 
theaterChase() 
result: undefined
 ... looping
a = 
0
b = 
0
clear :
c = 
0
setPixelColor :0
c = 
3
setPixelColor :3
c = 
6
setPixelColor :6
show :
delay :50
b = 
1
clear :
c = 
1
setPixelColor :1
c = 
4
setPixelColor :4
c = 
7
setPixelColor :7
show :
delay :50
b = 
2
clear :
c = 
2
setPixelColor :2
c = 
5
setPixelColor :5
show :
delay :50
a = 
1
b = 
0
clear :
c = 
0
setPixelColor :0
c = 
3
setPixelColor :3
c = 
6
setPixelColor :6
show :
delay :50
b = 
1
clear :
c = 
1
setPixelColor :1
c = 
theaterChase() 
result: undefined
 ... looping
a = 
0
b = 
0
clear :
c = 
0
setPixelColor :0
c = 
3
setPixelColor :3
c = 
6
setPixelColor :6
show :
delay :50
b = 
1
clear :
c = 
1
setPixelColor :1
c = 
4
setPixelColor :4
c = 
7
setPixelColor :7
show :
delay :50
b = 
2
clear :
c = 
2
setPixelColor :2
c = 
5
setPixelColor :5
show :
delay :50
a = 
1
b = 
0
clear :
c = 
0
setPixelColor :0
c = 
3
setPixelColor :3
c = 
6
setPixelColor :6
show :
delay :50
b = 
1
clear :
c = 
1
setPixelColor :1
c = 
theaterChase() 
result: undefined
 ... looping

sfranzyshen · 2019-12-18T05:57:03Z

stripped down to nothing but elk ... it's clearly still having issues with either variables or while loops or both

TEST CODE

#include <elk.h> 

#define ALLOC     4096 // also tried 8192
#define DEBUG     1

struct  js *js = js_create(malloc(ALLOC), ALLOC);

void setup() {
  jsval_t v;

  Serial.begin(115200);
  Serial.println();
  Serial.println("Starting-up ...");

  js_import(js, "delay", (uintptr_t) Sys_delay, "vi");
  js_import(js, "printStr", (uintptr_t) Sys_printStr, "vs");
  js_import(js, "printInt", (uintptr_t) Sys_printInt, "vi");
  js_import(js, "jsinfo", (uintptr_t) js_info, "sm");

  v = js_eval(js, "let theaterChase = function(d) { let a = 0, b, c; while(a < 10) { printStr('a = '); printInt(a); b = 0; while(b < 3) { printStr('b = '); printInt(b); c = b; while(c < 8) { printStr('c = '); printInt(c); c += 3; } b++; } a++; } return 'Done'; };", 0);

  if(DEBUG) {
    Serial.print("let theaterChase ");
    Serial.printf("result: %s\n", js_str(js, v));
  }  
  
  js_gc(js, v);
  
  v = js_eval(js, "printStr(jsinfo(null)); return 'Done';", 0);

  if(DEBUG) {
    Serial.println("jsinfo()");
    Serial.printf("result: %s\n", js_str(js, v));
  }
  
  js_gc(js, v);

  Serial.println("setup complete ...");
}

extern "C" void Sys_delay(unsigned long milli) { Serial.print("delay :"); Serial.println(milli); delay(milli); }
extern "C" void Sys_printStr(const char *str) { Serial.println(str); }
extern "C" void Sys_printInt(int i) { Serial.println(i); }

void loop() {
  jsval_t v;

  Serial.println(" ... looping");

  v = js_eval(js, "theaterChase(50);", 0);

  if(DEBUG) {
    Serial.println("theaterChase() ");
    Serial.printf("result: %s\n", js_str(js, v));
  }
  js_gc(js, v);

}

TEST FUNCTION

v = js_eval(js, "let theaterChase = 

function(d) {
    let a = 0, b, c;
    while(a < 10) {
        printStr('a = '); 
        printInt(a); 
        b = 0; 
        while(b < 3) { 
            printStr('b = '); 
            printInt(b); 
            c = b; 
            while(c < 8) { 
                printStr('c = '); 
                printInt(c); 
                c += 3;
            } 
            b++;
        }
        a++;
    } 
    return 'Done'; 
};

", 0);

RESULT

Starting-up ...
let theaterChase result: function(d) { let a = 0, b, c; while(a < 10) { printStr('a = '); printInt(a); b = 0; while(b < 3) { printStr('b = '); printInt(b); c = b; while(c < 8) { printStr('c = '); printInt(c); c += 3; } b++; } a++; } return 'Done'; }
{"core":136,"mem":3960,"used":372}
jsinfo()
result: "Done"
setup complete ...
 ... looping
a = 
0
b = 
0
c = 
0
c = 
3
c = 
6
b = 
1
c = 
1
c = 
4
c = 
7
b = 
2
c = 
2
c = 
5
a = 
1
b = 
0
c = 
0
c = 
3
c = 
6
b = 
1
c = 
1
c = 
theaterChase() 
result: undefined
 ... looping

cpq · 2019-12-18T12:17:26Z

There was an issue indeed, around loops scope handling. Released 0.0.18.
Now, the following sketch works on both ESP8266 and Uno:

#include "elk.h"

char mem[600];
struct  js *js = js_create(mem, sizeof(mem));
extern "C" void Sys_print(jsval_t v) { Serial.println(js_str(js, v)); }

void setup() {
  Serial.begin(115200);
  Serial.println("Starting-up ...");
  js_import(js, "print", (uintptr_t) Sys_print, "vj");

  js_eval(js, "let f = function(d) { let a = 0, b, c; while(a < 10) { print({a:a}); "
  "b = 0; while(b < 3) { print({b:b}); c = b; while(c < 8) { print({c:c}); c += 3; } b++; } a++; } };", 0);
}

void loop() {
  js_eval(js, "f();", 0);
  Serial.println(js_info(js));
  delay(1000);
}

sfranzyshen · 2019-12-18T16:53:21Z

TY confirmed to be working in 0.0.18 :) @cpq

sfranzyshen · 2019-12-18T19:58:34Z

LINUX_DIST="Linux Mint 18.3 Sylvia MATE 32-bit"
KERNEL=Linux computer 4.10.0-38-generic i686 i686 i686 GNU/Linux

ARDUINO IDE: 1.8.10 (32bit)
elk Library: version 0.0.18 (Installed using Arduino IDE library manager)
ESP32 boards (DEVKIT): 1.0.4 (Installed with board manager from Arduino IDE)

I still seam to be having a problem with bitwise operations throwing off execution order ... below is a snippet of the code I've been working on to demonstrate what happens ... In the first example setPixelColor() gets called after WheelR() BUT before WheelG() or WheelB() are called ... so the g & b variables are always set to zero (0) ... setting it to a variable first solved the problem for me ... but it may still be a problem in some cases ...

NOT WORKING

v = js_eval(js, "let rainbow = 

function(d) { 
    let j = 0, i; 
    while(j < 256) { 
        i = 0; 
        while(i < numPixels()) { 
            setPixelColor(i, WheelR((i + j) & 255), WheelG((i + j) & 255), WheelB((i + j) & 255));
            i++;
        }
        show();
        delay(d);
        j++;
    }
    return j;
};

", 0);

WORKING

v = js_eval(js, "let rainbow = 

function(d) { 
    let j = 0, i, p;
    while(j < 256) {
        i = 0;
        while(i < numPixels()) { 
            p = (i + j) & 255; 
            setPixelColor(i, WheelR(p), WheelG(p), WheelB(p));
            i++;
        }
        show();
        delay(d);
        j++;
    }
    return j;
};

", 0);

sfranzyshen · 2019-12-19T00:28:17Z

UPDATE: it now appears as if the problem isn't with the bitwise operation itself but rather with the function parameters and how they are being processed (order) ... here is another example ... again in the first example the setPixelColor() function gets called before the WheelX() functions get called ... again leaving rgb (them) all set to zero ... not the desired outcome ... however when I pass the first parameter to setPixelColor() as a pre-calculated variable ... it functions as expected ...

NOT WORKING

v = js_eval(js, "let theaterChaseRainbow = 
function(wait) {
    let j = 0, q, i, p; 
    while(j < 256) {
        q = 0; 
        while(q < 3) {
            i = 0; 
            while(i < 8) {
                p = (i + j) % 255;
                setPixelColor(i + q, WheelR(p), WheelG(p), WheelB(p)); 
                i = i + 3;
            }
            show();
            delay(wait);
            i = 0;
            while(i < 8) {
                setPixelColor(i + q, 0, 0, 0);
                i = i + 3;
            }
            q++;
        }
        j++;
    }
    return j;
};

", 0);

WORKING

v = js_eval(js, "let theaterChaseRainbow = 
function(wait) {
    let j = 0, q, i, p, r; 
    while(j < 256) {
        q = 0; 
        while(q < 3) {
            i = 0; 
            while(i < 8) {
                p = (i + j) % 255;
                r = i + q;
                setPixelColor(r, WheelR(p), WheelG(p), WheelB(p)); 
                i = i + 3;
            }
            show();
            delay(wait);
            i = 0;
            while(i < 8) {
                r = i + q;
                setPixelColor(r, 0, 0, 0);
                i = i + 3;
            }
            q++;
        }
        j++;
    }
    return j;
};

", 0);

sfranzyshen · 2019-12-19T01:11:05Z

Just for fun here's my final working code ...

// example of using the elk javascript engine innen Arduino Environment on esp32
// Adafruit_NeoPixel strandtest.ino ported to elk javascript engine ...

#include <Adafruit_NeoPixel.h>
#include <elk.h> 

#define ALLOC     4096 // also tried 8192
#define LED_PIN   18
#define LED_COUNT 8
#define DEBUG     0

struct  js *js = js_create(malloc(ALLOC), ALLOC);
Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  jsval_t v;

  Serial.begin(115200);
  Serial.println();
  
  if(DEBUG) {
    Serial.println("Starting-up ...");
  }

  js_import(js, "delay", (uintptr_t) Sys_delay, "vi");
  js_import(js, "printStr", (uintptr_t) Sys_printStr, "vs");
  js_import(js, "printInt", (uintptr_t) Sys_printInt, "vi");
  js_import(js, "show", (uintptr_t) Neo_show, "v");
  js_import(js, "clear", (uintptr_t) Neo_clear, "v");
  js_import(js, "setPixelColor", (uintptr_t) Neo_setPixelColor, "viiii");
  js_import(js, "WheelR", (uintptr_t) Neo_WheelR, "ii");
  js_import(js, "WheelG", (uintptr_t) Neo_WheelG, "ii");
  js_import(js, "WheelB", (uintptr_t) Neo_WheelB, "ii");
  js_import(js, "jsinfo", (uintptr_t) js_info, "sm");
  js_import(js, "numPixels", (uintptr_t) Neo_numPixels, "i");

  v = js_eval(js, "let colorWipe = function(d, r, g, b) { let i = 0; while (i < numPixels()) { setPixelColor(i, r, g, b); show(); delay(d); i++; } delay(d * numPixels()); return i; };", 0);
  if(DEBUG) {
    Serial.printf("let colorWipe result: %s\n", js_str(js, v));
  }
  js_gc(js, v);

  v = js_eval(js, "let theaterChase = function(d, r, g, bl) { let a = 0, b, c; while(a < 10) { b = 0; while(b < 3) { clear(); c = b; while(c < numPixels()) { setPixelColor(c, r, g, bl); c += 3; } show(); delay(d); b++; } a++; } return a; };", 0);
  if(DEBUG) {
    Serial.printf("let theaterChase result: %s\n", js_str(js, v));
  }
  js_gc(js, v);
 
  v = js_eval(js, "let theaterChaseRainbow = function(wait) { let j = 0, q, i, p, r; while(j < 256) { q = 0; while(q < 3) { i = 0; while(i < numPixels()) { p = (i + j) % 255; r = i + q; setPixelColor(r, WheelR(p), WheelG(p), WheelB(p)); i = i + 3; } show(); delay(wait); i = 0; while(i < numPixels()) { r = i + q; setPixelColor(r, 0, 0, 0); i = i + 3; } q++; } j++; } return j; }; ", 0);
  if(DEBUG) {
    Serial.printf("let theaterChaseRainbow result: %s\n", js_str(js, v));
  }
  js_gc(js, v);

  v = js_eval(js, "let rainbowCycle = function(wait) { let j = 0, i, p; while(j < 256 * 5) { i = 0; while(i < numPixels()) { p = ((i * 256 / numPixels()) + j) & 255; setPixelColor(i, WheelR(p), WheelG(p), WheelB(p)); i++; } show(); delay(wait); j++; } return j; };", 0);
  if(DEBUG) {
    Serial.printf("let rainbowCycle result: %s\n", js_str(js, v));
  }
  js_gc(js, v);
  
  v = js_eval(js, "let rainbow = function(d) { let j = 0, i, p; while(j < 256) { i = 0; while(i < numPixels()) { p = (i + j) & 255; setPixelColor(i, WheelR(p), WheelG(p), WheelB(p)); i++; } show(); delay(d); j++; } return j; };", 0);
  if(DEBUG) {
    Serial.printf("let rainbow result: %s\n", js_str(js, v));
  }
  js_gc(js, v);
   
  strip.begin();
  strip.show();
  strip.setBrightness(50);

  if(DEBUG) {
    v = js_eval(js, "printStr(jsinfo(null)); return 'Done';", 0);
    Serial.printf("jsinfo() result: %s\n", js_str(js, v));
    js_gc(js, v);
    Serial.println("setup complete ...");
  }
}

extern "C" void Neo_show() { strip.show(); }
extern "C" void Neo_clear() { strip.clear(); }
extern "C" void Neo_setPixelColor(uint16_t n, int r, int g, int b) { strip.setPixelColor(n, strip.Color(r, g, b)); }
extern "C" void Sys_delay(unsigned long milli) { delay(milli); }
extern "C" void Sys_printStr(const char *str) { Serial.print(str); }
extern "C" void Sys_printInt(int i) { Serial.println(i); }
extern "C" int Neo_WheelR(int wheelpos) { return WheelR(wheelpos); }
extern "C" int Neo_WheelG(int wheelpos) { return WheelG(wheelpos); }
extern "C" int Neo_WheelB(int wheelpos) { return WheelB(wheelpos); }
extern "C" int Neo_numPixels(void) { return strip.numPixels(); }

int WheelR(int WheelPos) {
  WheelPos = 255 - WheelPos;
  if(WheelPos < 85) {
    return (255 - WheelPos * 3);
  }
  if(WheelPos < 170) {
    return (0);
  }
  WheelPos -= 170;
  return (WheelPos * 3);
}

int WheelG(int WheelPos) {
  WheelPos = 255 - WheelPos;
  if(WheelPos < 85) {
    return (0);
  }
  if(WheelPos < 170) {
    WheelPos -= 85;
    return (WheelPos * 3);
  }
  WheelPos -= 170;
  return (255 - WheelPos * 3);
}

int WheelB(int WheelPos) {
  WheelPos = 255 - WheelPos;
  if(WheelPos < 85) {
    return (WheelPos * 3);
  }
  if(WheelPos < 170) {
    WheelPos -= 85;
    return (255 - WheelPos * 3);
  }
  return (0);
}

void loop() {
  jsval_t v;
  
  if(DEBUG) {
    Serial.println("looping ... ");
  }
  
  v = js_eval(js, "colorWipe(50, 255, 0, 0);", 0);
  if(DEBUG) {
    Serial.printf("colorWipe() red result: %s\n", js_str(js, v));
  }
  js_gc(js, v);

  v = js_eval(js, "colorWipe(50, 0, 255, 0);", 0);
  if(DEBUG) {
    Serial.printf("colorWipe() green result: %s\n", js_str(js, v));
  }
  js_gc(js, v);

  v = js_eval(js, "colorWipe(50, 0, 0, 255);", 0);
  if(DEBUG) {
    Serial.printf("colorWipe() blue result: %s\n", js_str(js, v));
  }
  js_gc(js, v);
  
  v = js_eval(js, "theaterChase(50, 127, 127, 127);", 0);
  if(DEBUG) {
    Serial.printf("theaterChase() white result: %s\n", js_str(js, v));
  }
  js_gc(js, v);
  
  v = js_eval(js, "theaterChase(50, 127, 0, 0);", 0);
  if(DEBUG) {
    Serial.printf("theaterChase() red result: %s\n", js_str(js, v));
  }
  js_gc(js, v);
  
  v = js_eval(js, "theaterChase(50, 0, 0, 127);", 0);
  if(DEBUG) {
    Serial.printf("theaterChase() blue result: %s\n", js_str(js, v));
  }
  js_gc(js, v);
    
  v = js_eval(js, "rainbow(10);", 0);
  if(DEBUG) {
    Serial.printf("rainbow() result: %s\n", js_str(js, v));
  }
  js_gc(js, v);

  v = js_eval(js, "rainbowCycle(10);", 0);  
  if(DEBUG) {
    Serial.printf("rainbowCycle() result: %s\n", js_str(js, v));
  }
  js_gc(js, v);

  v = js_eval(js, "theaterChaseRainbow(50);", 0);
  if(DEBUG) {
    Serial.printf("theaterChaseRainbow() result: %s\n", js_str(js, v));
  }
  js_gc(js, v);
  
}

cpq · 2019-12-19T08:08:02Z

Nice!
Nitpick: remove return outside of a function v = js_eval(js, "printStr(jsinfo(null)); return 'Done';", 0);.
Nitpick: use more compact extern "C" void Sys_print(jsval_t v) { Serial.println(js_str(js, v)); } for printing values.

Can that neopixel code work on Uno?

Since that is a different issue, please open a new one - I'd appreciate a minimal example.

sfranzyshen · 2019-12-19T16:42:33Z

Nice!
Nitpick: remove return outside of a function v = js_eval(js, "printStr(jsinfo(null)); return 'Done';", 0);.
Nitpick: use more compact extern "C" void Sys_print(jsval_t v) { Serial.println(js_str(js, v)); } for printing values.

Can that neopixel code work on Uno?

Since that is a different issue, please open a new one - I'd appreciate a minimal example.

I haven't tried this on anything else (yet!) but on the esp32 ... I'll try and get it working today ...
I also opened issue #15 to continue with the "out of order" execution issues that persist ... I'll open another one with a "minimal example" that hopefully will work on ALL supported platforms

Cheers and Thanks for the great work!

cpq · 2019-12-21T15:14:37Z

Could you reduce that to a one-liner please?

sfranzyshen mentioned this issue Dec 10, 2019

0.0.17 breaks nested while loops on the esp32 platform ... #13

Closed

sfranzyshen closed this as completed Dec 18, 2019

sfranzyshen reopened this Dec 18, 2019

sfranzyshen mentioned this issue Dec 19, 2019

calculated function parameters are being processed out of order #15

Closed

sfranzyshen closed this as completed Dec 19, 2019

sfranzyshen mentioned this issue Dec 19, 2019

minimal example #17

Closed

ifelse-code mentioned this issue Sep 25, 2023

Timer function makes esp32 reboot. #61

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Bitwise AND operator #14

Bitwise AND operator #14

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Bitwise AND operator #14

Bitwise AND operator #14

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