wip

GPIO/IMXRT1062/ring.IMXRT1062.ino

+//
+// ring.IMXRT1062.ino
+//
+// ring oscillator test
+//
+// Neil Gershenfeld 8/12/21
+//
+// This work may be reproduced, modified, distributed,
+// performed, and displayed for any purpose, but must
+// acknowledge this project. Copyright is retained and
+// must be preserved. The work is provided as is; no
+// warranty is provided, and users accept all liability.
+//
+
+void setup() {
+   pinMode(0,OUTPUT);
+   }
+
+void loop() {
+   while (1) {
+      uint8_t data = GPIO6_DR;
+      if (data & 0b100) // pin 1
+         GPIO6_DR = 0;
+      else
+        GPIO6_DR = 0b1000; // pin 0
+      }
+   }

index.html

@@ -42,7 +42,7 @@ The GPIO test measures how quickly pins can communicate with a processor core; t
 <tr>
 <td>23.08</td>
 <td>IMXRT1062</td>
-<td>Teensy 4.1, 600 MHz, <a href=GPIO/Arduino/ring.ino>Arduino</a>, GPIO</td>
+<td>Teensy 4.1, 600 MHz, <a href=GPIO/Arduino/ring.ino>Arduino</a>, <a href=GPIO/IMXRT1062/ring.IMXRT1062.ino>GPIO</a></td>
 <td>August, 2021</td>
 </tr>