Version 0.0.2

Author: HackTechDev

convertImage.py renamed to convertSendImage2Arduino.py

@@ -8,16 +8,32 @@
 
 ser = serial.Serial('/dev/ttyUSB0',9600)
 
+
+def color2alpha(arr):
+    new_arr = []
+    for old_value in arr:
+        new_value = int((old_value / 255) * 25 + 97)
+        new_arr.append(new_value)
+    return new_arr
+
 def sendImage(image_name):
     img = Image.open(image_name)
 
     img_array = np.array(img)
 
+    #print(img_array)
+
     my_array = img_array.reshape((10, 10, 3))
 
     color_flat = my_array.flatten()
+    
+    print(color_flat)
+
+    new_color_flat = color2alpha(color_flat)
+
+    print(new_color_flat)
 
-    color_str = ''.join(map(chr, color_flat))
+    color_str = ''.join(map(chr, new_color_flat))
 
     print(color_str)
 

doc.md

@@ -1,12 +1,34 @@
-util01@station173:~$ python3
+Panel Led
+=========
+
+
+#### 1/ Programme Arduino.
+
+```
+panel_led.ino
+```
+
+
+#### 2/ Programme Python3.
+
+- Initialisation de l'interface série :  
+
+```
+$ python3
 Python 3.10.6 (main, Nov 14 2022, 16:10:14) [GCC 11.3.0] on linux
 Type "help", "copyright", "credits" or "license" for more information.
 >>> import serial;
 >>> ser = serial.Serial('/dev/ttyUSB0',9600)
->>> variable = "send"
->>> ser.write(variable.encode())
-4
->>>
+```
+
+- Envoyer le dessin de lettre A :  
+
+```
+$ ./sendletter.py 
+```
+
+- Effacer le panel led :  
 
-util01@station173:~/Arduino/panel_led_8$ python3 ./sendletter.py 
-util01@station173:~/Arduino/panel_led_8$ python3 ./clearletter.py 
+```
+$ ./clear.py 
+```

hacklab.sh

@@ -0,0 +1,133 @@
+//Libraries
+//https://github.com/FastLED/FastLED
+#include <FastLED.h>
+
+//Constants
+#define NUM_STRIPS 1
+#define NUM_LEDS 100
+#define BRIGHTNESS 10
+#define LED_TYPE WS2812B
+#define COLOR_ORDER BRG//RGB
+#define FASTLED_ALLOW_INTERRUPTS 0
+#define FASTLED_INTERRUPT_RETRY_COUNT 1
+#define FRAMES_PER_SECOND 60
+#define COOLING 55
+#define SPARKING 120
+
+//Parameters
+const int stripPin  = 3;
+
+//Objects
+CRGB leds[NUM_LEDS];
+
+int xy2i(int x, int y) {
+  int i;
+  if ( y % 2 == 0) {
+    return i = y * 10 + x;
+  } else {
+    return i = (10 * (y + 1)) - 1 - x;
+  }
+}
+
+int toDrawA[10][10][3]=
+{
+{{0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}},
+{{0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}},
+{{0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}},
+{{0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 0, 0}, {0, 0, 0}, {255, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}},
+{{0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}},
+{{0, 0, 0}, {0, 0, 0}, {255, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}},
+{{0, 0, 0}, {0, 0, 0}, {255, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 0, 0}, {255, 0, 0}, {0, 0, 0}, {0, 0, 0}},
+{{0, 0, 0}, {0, 0, 0}, {255, 0, 0}, {255, 0, 0}, {255, 0, 0}, {255, 0, 0}, {0, 0, 0}, {255, 0, 0}, {0, 0, 0}, {0, 0, 0}},
+{{0, 0, 0}, {0, 0, 0}, {255, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 0, 0}, {0, 0, 0}, {0, 0, 0}},
+{{0, 0, 0}, {0, 0, 0}, {255, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}},
+};
+
+
+String command;
+
+String colorArray[5];
+
+
+int  l;
+int cR, cG, cB;
+
+const int NUM_ROWS = 10;
+const int NUM_COLS = 10;
+
+
+void displayImage(int toDraw[10][10][3]) {
+
+  FastLED.clear();
+
+  for ( int y = 0; y < 10; y++) {
+    for (int x = 0; x < 10; x++) {
+      l = xy2i(x, y);
+      cR = toDraw[y][x][0];
+      cG = toDraw[y][x][1];
+      cB = toDraw[y][x][2]; 
+      leds[l].setRGB(cR, cG, cB);
+    }
+  }
+  FastLED.show();
+}
+
+void setup() {
+  Serial.begin(9600);
+  FastLED.addLeds<LED_TYPE, stripPin, COLOR_ORDER>(leds, NUM_LEDS);
+  FastLED.setBrightness(  BRIGHTNESS );
+
+  FastLED.clear();   
+  FastLED.show();   
+}
+
+
+int alpha2color(int old_value) {
+  int new_value = int((old_value - 97) * (255.0 / 25.0)); 
+  return new_value;
+}
+
+
+void loop() {
+  
+  while (Serial.available() == 0) {} 
+
+  FastLED.clear();   
+  FastLED.show();   
+
+
+  command = Serial.readString();
+  command.trim();  
+
+  if (command == "clear") {
+    Serial.println(F("Clear"));
+    for (int i=0; i < 100; i++) {
+      leds[i].setRGB(0, 0, 0);
+    }
+    FastLED.show(); 
+  } else if (command == "letter") {
+    Serial.println(F("Letter"));
+     displayImage(toDrawA);
+      FastLED.show();     
+  } else {
+    byte colors[NUM_ROWS][NUM_COLS][3];
+
+    int index = 0;
+    for (int row = 0; row < NUM_ROWS; row++) {
+      for (int col = 0; col < NUM_COLS; col++) {
+        int r = command.charAt(index++);
+        int v = command.charAt(index++);
+        int b = command.charAt(index++);
+ 
+        r = alpha2color(r);
+        v = alpha2color(v);
+        b = alpha2color(b);
+        
+        int l = xy2i(col, row);
+        leds[l] = CRGB( r, v, b);
+      }
+    }
+    FastLED.show();  
+  }
+  
+}