Current test suit

hardware_test/pioold/libdeps/rp2040_swd/Adafruit IS31FL3731 Library/examples/swirldemo/swirldemo.ino

@@ -0,0 +1,32 @@
+#include <Wire.h>
+#include <Adafruit_GFX.h>
+#include <Adafruit_IS31FL3731.h>
+
+// If you're using the full breakout...
+Adafruit_IS31FL3731 ledmatrix = Adafruit_IS31FL3731();
+// If you're using the FeatherWing version
+//Adafruit_IS31FL3731_Wing ledmatrix = Adafruit_IS31FL3731_Wing();
+
+
+// The lookup table to make the brightness changes be more visible
+uint8_t sweep[] = {1, 2, 3, 4, 6, 8, 10, 15, 20, 30, 40, 60, 60, 40, 30, 20, 15, 10, 8, 6, 4, 3, 2, 1};
+
+void setup() {
+  Serial.begin(9600);
+  Serial.println("ISSI swirl test");
+
+  if (! ledmatrix.begin()) {
+    Serial.println("IS31 not found");
+    while (1);
+  }
+  Serial.println("IS31 found!");
+}
+
+void loop() {
+  // animate over all the pixels, and set the brightness from the sweep table
+  for (uint8_t incr = 0; incr < 24; incr++)
+    for (uint8_t x = 0; x < 16; x++)
+      for (uint8_t y = 0; y < 9; y++)
+        ledmatrix.drawPixel(x, y, sweep[(x+y+incr)%24]);
+  delay(20);
+}