fix image rendering

program/README.txt

@@ -0,0 +1,6 @@
+The fully qualified board name is `arduino:samd:mkrwifi1010`
+
+Ergo:
+
+`arduino-cli compile -b arduino:samd:mkrwifi1010`
+`arduino-cli upload -b arduino:samd:mkrwifi1010`

program/program.ino

@@ -41,7 +41,9 @@ void setup() {
     //e.g. quarter note = 1000 / 4, eighth note = 1000/8, etc.
     int noteDuration = noteDurations[note_idx]/(139*8.0)*60*1000;
     Serial.println(noteDuration);
-    carrier.Buzzer.sound(red_sun_in_the_sky[note_idx]);
+
+    /////// carrier.Buzzer.sound(red_sun_in_the_sky[note_idx]);
+
     // to distinguish the notes, set a minimum time between them.
     // the note's duration + 30% seems to work well:
     delay(noteDuration);

program/sketch.yaml

@@ -0,0 +1,2 @@
+default_fqbn: arduino:samd:mkrwifi1010
+default_port: /dev/ttyACM0

tools/gimp_img_conv/README.txt

@@ -3,3 +3,13 @@ gimp_img_conv
 ===
 
 convert the 8-8-8 bit format of exporting a RGB image as a .c file from gimp into the 5-6-5 bit format the arduino we use uses.
+
+instructions:
+
+1. export 120x120 image as .c file to base_image.c
+
+2. `./run.sh > new_image.c`
+
+3. `cp new_image.c ../../program/image.c`
+
+4. profit

tools/gimp_img_conv/gimp_img_conv.c

@@ -2,6 +2,7 @@
 #include <stdint.h>
 #include <stddef.h>
 #include <stdio.h>
+#include <stdbool.h>
 #include "glib.h"
 #include "base_image.c"
 
@@ -16,7 +17,8 @@ int color_u8_to_u5(int v) {
 }
 
 void main() {
-    printf("static const unsigned short gimp_image[%d] = \"", gimp_image.width * gimp_image.height);
+    printf("static const unsigned short gimp_image[%d] = {", gimp_image.width * gimp_image.height);
+    bool include_comma = false;
     for (int x = 0; x < gimp_image.width; x++) {
         for (int y = 0; y < gimp_image.height; y++) {
             int idx = 3 * (y * gimp_image.width + x);
@@ -28,9 +30,14 @@ void main() {
             int g = (int)gimp_image.pixel_data[idx + 1] & 0xFF;
             int b = (int)gimp_image.pixel_data[idx + 2] & 0xFF;
             uint16_t color = (color_u8_to_u5(r) << 11) | (color_u8_to_u6(g) << 5) | color_u8_to_u5(b);
-            printf("\\0x%X", color);
+            if (!include_comma) {
+                include_comma = true;
+            } else {
+                printf(", ");
+            }
+            printf("0x%X", color);
         }
     }
-    printf("\"\n");
+    printf("};\n");
 }