Nano 33 iot

RGBmatrixPanel.cpp

@@ -106,7 +106,11 @@ void RGBmatrixPanel::init(uint8_t rows, uint8_t a, uint8_t b, uint8_t c,
   ) {
 #if defined(ARDUINO_ARCH_SAMD) || defined(ARDUINO_ARCH_ESP32)
   // R1, G1, B1, R2, G2, B2 pins
-  static const uint8_t defaultrgbpins[] = { 2,3,4,5,6,7 };
+  #if defined(ARDUINO_SAMD_NANO_33_IOT)
+    static const uint8_t defaultrgbpins[] = { 4,5,6,7,8,9 };
+  #else
+    static const uint8_t defaultrgbpins[] = { 2,3,4,5,6,7 };
+  #endif
   memcpy(rgbpins, pinlist ? pinlist : defaultrgbpins, sizeof rgbpins);
 #if defined(ARDUINO_ARCH_SAMD)
   // All six RGB pins MUST be on the same PORT # as CLK
@@ -147,7 +151,7 @@ void RGBmatrixPanel::init(uint8_t rows, uint8_t a, uint8_t b, uint8_t c,
   addrbport = portOutputRegister(digitalPinToPort(b));
   addrbmask = digitalPinToBitMask(b);
   addrcport = portOutputRegister(digitalPinToPort(c));
-  addrcmask = digitalPinToBitMask(c); 
+  addrcmask = digitalPinToBitMask(c);
   plane     = nPlanes - 1;
   row       = nRows   - 1;
   swapflag  = false;
@@ -870,10 +874,10 @@ void RGBmatrixPanel::updateDisplay(void) {
         ((ptr[i+WIDTH*2] << 2) & 0x0C);
       CLKPORT = tick; // Clock lo
       CLKPORT = tock; // Clock hi
-    } 
+    }
 #elif defined(ARDUINO_ARCH_SAMD) || defined(ARDUINO_ARCH_ESP32)
     for (int i=0; i<WIDTH; i++) {
-      byte b = 
+      byte b =
 	( ptr[i]         << 6)         |
         ((ptr[i+WIDTH]   << 4) & 0x30) |
         ((ptr[i+WIDTH*2] << 2) & 0x0C);
@@ -886,4 +890,3 @@ void RGBmatrixPanel::updateDisplay(void) {
 #endif
   }
 }
-

examples/PanelGFXDemo_16x32/PanelGFXDemo_16x32.ino

@@ -10,16 +10,20 @@
 // Most of the signal pins are configurable, but the CLK pin has some
 // special constraints.  On 8-bit AVR boards it must be on PORTB...
 // Pin 8 works on the Arduino Uno & compatibles (e.g. Adafruit Metro),
-// Pin 11 works on the Arduino Mega.  On 32-bit SAMD boards it must be
-// on the same PORT as the RGB data pins (D2-D7)...
+// Pin 11 works on the Arduino Mega.
 // Pin 8 works on the Adafruit Metro M0 or Arduino Zero,
 // Pin A4 works on the Adafruit Metro M4 (if using the Adafruit RGB
 // Matrix Shield, cut trace between CLK pads and run a wire to A4).
+// Pin A6 works on the Nano 33 IoT
+// On other 32-bit SAMD boards it must be on the same PORT as the RGB
+//   data pins (D2-D7)... Pin 8 works
 
-//#define CLK  8 // USE THIS ON ARDUINO UNO, ADAFRUIT METRO M0, etc.
+#define CLK  8   // USE THIS ON ARDUINO UNO, ADAFRUIT METRO M0, etc.
 //#define CLK A4 // USE THIS ON METRO M4 (not M0)
-#define CLK 11   // USE THIS ON ARDUINO MEGA
-#define OE   9
+//#define CLK 11 // USE THIS ON ARDUINO MEGA
+//#define CLK A6 // USE THIS ON NANO 33 IoT
+#define OE   9 // USE THIS ON EXCEPT ON NANO 33 IoT
+//#define OE 11 // USE THIS ON NANO 33 IoT
 #define LAT 10
 #define A   A0
 #define B   A1

examples/colorwheel_32x32/colorwheel_32x32.ino

@@ -11,16 +11,20 @@
 // Most of the signal pins are configurable, but the CLK pin has some
 // special constraints.  On 8-bit AVR boards it must be on PORTB...
 // Pin 8 works on the Arduino Uno & compatibles (e.g. Adafruit Metro),
-// Pin 11 works on the Arduino Mega.  On 32-bit SAMD boards it must be
-// on the same PORT as the RGB data pins (D2-D7)...
+// Pin 11 works on the Arduino Mega.
 // Pin 8 works on the Adafruit Metro M0 or Arduino Zero,
 // Pin A4 works on the Adafruit Metro M4 (if using the Adafruit RGB
 // Matrix Shield, cut trace between CLK pads and run a wire to A4).
+// Pin A6 works on the Nano 33 IoT
+// On other 32-bit SAMD boards it must be on the same PORT as the RGB
+//   data pins (D2-D7)... Pin 8 works
 
 #define CLK  8   // USE THIS ON ARDUINO UNO, ADAFRUIT METRO M0, etc.
 //#define CLK A4 // USE THIS ON METRO M4 (not M0)
 //#define CLK 11 // USE THIS ON ARDUINO MEGA
-#define OE   9
+//#define CLK A6 // USE THIS ON NANO 33 IoT
+#define OE   9 // USE THIS ON EXCEPT ON NANO 33 IoT
+//#define OE 11 // USE THIS ON NANO 33 IoT
 #define LAT 10
 #define A   A0
 #define B   A1

examples/colorwheel_progmem_32x32/colorwheel_progmem_32x32.ino

@@ -12,10 +12,23 @@
 #include <RGBmatrixPanel.h>
 #include "image.h" // Precomputed colorwheel image is here
 
+// Most of the signal pins are configurable, but the CLK pin has some
+// special constraints.  On 8-bit AVR boards it must be on PORTB...
+// Pin 8 works on the Arduino Uno & compatibles (e.g. Adafruit Metro),
+// Pin 11 works on the Arduino Mega.
+// Pin 8 works on the Adafruit Metro M0 or Arduino Zero,
+// Pin A4 works on the Adafruit Metro M4 (if using the Adafruit RGB
+// Matrix Shield, cut trace between CLK pads and run a wire to A4).
+// Pin A6 works on the Nano 33 IoT
+// On other 32-bit SAMD boards it must be on the same PORT as the RGB
+//   data pins (D2-D7)... Pin 8 works
+
 #define CLK  8   // USE THIS ON ARDUINO UNO, ADAFRUIT METRO M0, etc.
 //#define CLK A4 // USE THIS ON METRO M4 (not M0)
 //#define CLK 11 // USE THIS ON ARDUINO MEGA
-#define OE   9
+//#define CLK A6 // USE THIS ON NANO 33 IoT
+#define OE   9 // USE THIS ON EXCEPT ON NANO 33 IoT
+//#define OE 11 // USE THIS ON NANO 33 IoT
 #define LAT 10
 #define A   A0
 #define B   A1

examples/plasma_16x32/plasma_16x32.ino

@@ -11,16 +11,20 @@
 // Most of the signal pins are configurable, but the CLK pin has some
 // special constraints.  On 8-bit AVR boards it must be on PORTB...
 // Pin 8 works on the Arduino Uno & compatibles (e.g. Adafruit Metro),
-// Pin 11 works on the Arduino Mega.  On 32-bit SAMD boards it must be
-// on the same PORT as the RGB data pins (D2-D7)...
+// Pin 11 works on the Arduino Mega.
 // Pin 8 works on the Adafruit Metro M0 or Arduino Zero,
 // Pin A4 works on the Adafruit Metro M4 (if using the Adafruit RGB
 // Matrix Shield, cut trace between CLK pads and run a wire to A4).
+// Pin A6 works on the Nano 33 IoT
+// On other 32-bit SAMD boards it must be on the same PORT as the RGB
+//   data pins (D2-D7)... Pin 8 works
 
 #define CLK  8   // USE THIS ON ARDUINO UNO, ADAFRUIT METRO M0, etc.
 //#define CLK A4 // USE THIS ON METRO M4 (not M0)
 //#define CLK 11 // USE THIS ON ARDUINO MEGA
-#define OE   9
+//#define CLK A6 // USE THIS ON NANO 33 IoT
+#define OE   9 // USE THIS ON EXCEPT ON NANO 33 IoT
+//#define OE 11 // USE THIS ON NANO 33 IoT
 #define LAT 10
 #define A   A0
 #define B   A1
@@ -126,4 +130,3 @@ void loop() {
 
   matrix.swapBuffers(false);
 }
-

examples/plasma_32x32/plasma_32x32.ino

@@ -11,16 +11,20 @@
 // Most of the signal pins are configurable, but the CLK pin has some
 // special constraints.  On 8-bit AVR boards it must be on PORTB...
 // Pin 8 works on the Arduino Uno & compatibles (e.g. Adafruit Metro),
-// Pin 11 works on the Arduino Mega.  On 32-bit SAMD boards it must be
-// on the same PORT as the RGB data pins (D2-D7)...
+// Pin 11 works on the Arduino Mega.
 // Pin 8 works on the Adafruit Metro M0 or Arduino Zero,
 // Pin A4 works on the Adafruit Metro M4 (if using the Adafruit RGB
 // Matrix Shield, cut trace between CLK pads and run a wire to A4).
+// Pin A6 works on the Nano 33 IoT
+// On other 32-bit SAMD boards it must be on the same PORT as the RGB
+//   data pins (D2-D7)... Pin 8 works
 
 #define CLK  8   // USE THIS ON ARDUINO UNO, ADAFRUIT METRO M0, etc.
 //#define CLK A4 // USE THIS ON METRO M4 (not M0)
 //#define CLK 11 // USE THIS ON ARDUINO MEGA
-#define OE   9
+//#define CLK A6 // USE THIS ON NANO 33 IoT
+#define OE   9 // USE THIS ON EXCEPT ON NANO 33 IoT
+//#define OE 11 // USE THIS ON NANO 33 IoT
 #define LAT 10
 #define A   A0
 #define B   A1
@@ -121,4 +125,3 @@ void loop() {
   angle4 -= 0.15;
   hueShift += 2;
 }
-

examples/scrolltext_16x32/scrolltext_16x32.ino

@@ -11,16 +11,20 @@
 // Most of the signal pins are configurable, but the CLK pin has some
 // special constraints.  On 8-bit AVR boards it must be on PORTB...
 // Pin 8 works on the Arduino Uno & compatibles (e.g. Adafruit Metro),
-// Pin 11 works on the Arduino Mega.  On 32-bit SAMD boards it must be
-// on the same PORT as the RGB data pins (D2-D7)...
+// Pin 11 works on the Arduino Mega.
 // Pin 8 works on the Adafruit Metro M0 or Arduino Zero,
 // Pin A4 works on the Adafruit Metro M4 (if using the Adafruit RGB
 // Matrix Shield, cut trace between CLK pads and run a wire to A4).
+// Pin A6 works on the Nano 33 IoT
+// On other 32-bit SAMD boards it must be on the same PORT as the RGB
+//   data pins (D2-D7)... Pin 8 works
 
 #define CLK  8   // USE THIS ON ARDUINO UNO, ADAFRUIT METRO M0, etc.
 //#define CLK A4 // USE THIS ON METRO M4 (not M0)
 //#define CLK 11 // USE THIS ON ARDUINO MEGA
-#define OE   9
+//#define CLK A6 // USE THIS ON NANO 33 IoT
+#define OE   9 // USE THIS ON EXCEPT ON NANO 33 IoT
+//#define OE 11 // USE THIS ON NANO 33 IoT
 #define LAT 10
 #define A   A0
 #define B   A1

examples/testcolors_16x32/testcolors_16x32.ino

@@ -12,16 +12,20 @@
 // Most of the signal pins are configurable, but the CLK pin has some
 // special constraints.  On 8-bit AVR boards it must be on PORTB...
 // Pin 8 works on the Arduino Uno & compatibles (e.g. Adafruit Metro),
-// Pin 11 works on the Arduino Mega.  On 32-bit SAMD boards it must be
-// on the same PORT as the RGB data pins (D2-D7)...
+// Pin 11 works on the Arduino Mega.
 // Pin 8 works on the Adafruit Metro M0 or Arduino Zero,
 // Pin A4 works on the Adafruit Metro M4 (if using the Adafruit RGB
 // Matrix Shield, cut trace between CLK pads and run a wire to A4).
+// Pin A6 works on the Nano 33 IoT
+// On other 32-bit SAMD boards it must be on the same PORT as the RGB
+//   data pins (D2-D7)... Pin 8 works
 
 #define CLK  8   // USE THIS ON ARDUINO UNO, ADAFRUIT METRO M0, etc.
 //#define CLK A4 // USE THIS ON METRO M4 (not M0)
 //#define CLK 11 // USE THIS ON ARDUINO MEGA
-#define OE   9
+//#define CLK A6 // USE THIS ON NANO 33 IoT
+#define OE   9 // USE THIS ON EXCEPT ON NANO 33 IoT
+//#define OE 11 // USE THIS ON NANO 33 IoT
 #define LAT 10
 #define A   A0
 #define B   A1
@@ -69,4 +73,3 @@ void setup() {
 void loop() {
   // Do nothing -- image doesn't change
 }
-

examples/testshapes_16x32/testshapes_16x32.ino

@@ -12,16 +12,20 @@
 // Most of the signal pins are configurable, but the CLK pin has some
 // special constraints.  On 8-bit AVR boards it must be on PORTB...
 // Pin 8 works on the Arduino Uno & compatibles (e.g. Adafruit Metro),
-// Pin 11 works on the Arduino Mega.  On 32-bit SAMD boards it must be
-// on the same PORT as the RGB data pins (D2-D7)...
+// Pin 11 works on the Arduino Mega.
 // Pin 8 works on the Adafruit Metro M0 or Arduino Zero,
 // Pin A4 works on the Adafruit Metro M4 (if using the Adafruit RGB
 // Matrix Shield, cut trace between CLK pads and run a wire to A4).
+// Pin A6 works on the Nano 33 IoT
+// On other 32-bit SAMD boards it must be on the same PORT as the RGB
+//   data pins (D2-D7)... Pin 8 works
 
 #define CLK  8   // USE THIS ON ARDUINO UNO, ADAFRUIT METRO M0, etc.
 //#define CLK A4 // USE THIS ON METRO M4 (not M0)
 //#define CLK 11 // USE THIS ON ARDUINO MEGA
-#define OE   9
+//#define CLK A6 // USE THIS ON NANO 33 IoT
+#define OE   9 // USE THIS ON EXCEPT ON NANO 33 IoT
+//#define OE 11 // USE THIS ON NANO 33 IoT
 #define LAT 10
 #define A   A0
 #define B   A1

examples/testshapes_32x32/testshapes_32x32.ino

@@ -12,16 +12,20 @@
 // Most of the signal pins are configurable, but the CLK pin has some
 // special constraints.  On 8-bit AVR boards it must be on PORTB...
 // Pin 8 works on the Arduino Uno & compatibles (e.g. Adafruit Metro),
-// Pin 11 works on the Arduino Mega.  On 32-bit SAMD boards it must be
-// on the same PORT as the RGB data pins (D2-D7)...
+// Pin 11 works on the Arduino Mega.
 // Pin 8 works on the Adafruit Metro M0 or Arduino Zero,
 // Pin A4 works on the Adafruit Metro M4 (if using the Adafruit RGB
 // Matrix Shield, cut trace between CLK pads and run a wire to A4).
+// Pin A6 works on the Nano 33 IoT
+// On other 32-bit SAMD boards it must be on the same PORT as the RGB
+//   data pins (D2-D7)... Pin 8 works
 
 #define CLK  8   // USE THIS ON ARDUINO UNO, ADAFRUIT METRO M0, etc.
 //#define CLK A4 // USE THIS ON METRO M4 (not M0)
 //#define CLK 11 // USE THIS ON ARDUINO MEGA
-#define OE   9
+//#define CLK A6 // USE THIS ON NANO 33 IoT
+#define OE   9 // USE THIS ON EXCEPT ON NANO 33 IoT
+//#define OE 11 // USE THIS ON NANO 33 IoT
 #define LAT 10
 #define A   A0
 #define B   A1

examples/testshapes_32x64/testshapes_32x64.ino

@@ -9,16 +9,20 @@
 // Most of the signal pins are configurable, but the CLK pin has some
 // special constraints.  On 8-bit AVR boards it must be on PORTB...
 // Pin 8 works on the Arduino Uno & compatibles (e.g. Adafruit Metro),
-// Pin 11 works on the Arduino Mega.  On 32-bit SAMD boards it must be
-// on the same PORT as the RGB data pins (D2-D7)...
+// Pin 11 works on the Arduino Mega.
 // Pin 8 works on the Adafruit Metro M0 or Arduino Zero,
 // Pin A4 works on the Adafruit Metro M4 (if using the Adafruit RGB
 // Matrix Shield, cut trace between CLK pads and run a wire to A4).
+// Pin A6 works on the Nano 33 IoT
+// On other 32-bit SAMD boards it must be on the same PORT as the RGB
+//   data pins (D2-D7)... Pin 8 works
 
-#define CLK  8   // USE THIS ON ADAFRUIT METRO M0, etc.
+#define CLK  8   // USE THIS ON ARDUINO UNO, ADAFRUIT METRO M0, etc.
 //#define CLK A4 // USE THIS ON METRO M4 (not M0)
 //#define CLK 11 // USE THIS ON ARDUINO MEGA
-#define OE   9
+//#define CLK A6 // USE THIS ON NANO 33 IoT
+#define OE   9 // USE THIS ON EXCEPT ON NANO 33 IoT
+//#define OE 11 // USE THIS ON NANO 33 IoT
 #define LAT 10
 #define A   A0
 #define B   A1

library.properties

@@ -1,5 +1,5 @@
 name=RGB matrix Panel
-version=1.1.1
+version=1.1.2
 author=Adafruit
 maintainer=Adafruit <[email protected]>
 sentence=Arduino library and example code for the 16x32 RGB matrix panels in the shop