fixed Digital_out example and added CAN Examples

Fixed digital out example and added CAN read and write Examples

Author: Rocketct

examples/CAN/ReadCan/ReadCan.ino

@@ -0,0 +1,56 @@
+/*
+  CAN Read Example
+
+  This sketch shows how to use the CAN transceiver on the Machine
+  Control and how to receive data from the RX CAN channel.
+
+  Circuit:
+   - Portenta H7
+   - Automation Carrier
+
+
+  created 25 August 2020
+  by Silvio Navaretti
+  modified 4 November 2020
+  by Riccardo Rizzo
+*/
+#include <AutomationCarrier.h>
+#include <CAN.h>
+
+using namespace automation;
+
+#define DATARATE_2MB     260000
+#define DATARATE_1_5MB   206000
+#define DATARATE_1MB     125000
+#define DATARATE_800KB   100000
+
+
+void setup() {
+  Serial.begin(9600);
+  while (!Serial) {
+    ; // wait for serial port to connect.
+  }
+
+  Serial.println("Start CAN initialization");
+  comm_protocols.enableCAN();
+  comm_protocols.can.frequency(DATARATE_800KB);
+  Serial.println("Initialization done");
+}
+
+
+void loop() {
+  mbed::CANMessage msg;
+  if (comm_protocols.can.read(msg)) {
+
+    // Print the sender ID
+    Serial.print("ID: ");
+    Serial.println(msg.id);
+
+    // Print the first Payload Byte
+    Serial.print("Message received:");
+    Serial.println(msg.data[0], DEC);
+
+  }
+
+  delay(100);
+}

examples/CAN/WriteCan/WriteCan.ino

@@ -0,0 +1,51 @@
+/*
+  CAN Write Example
+
+  This sketch shows how to use the CAN transceiver on the Machine
+  Control and how to transmit data from the TX CAN channel.
+
+  Circuit:
+   - Portenta H7
+   - Automation Carrier
+
+
+  created 25 August 2020
+  by Silvio Navaretti
+  modified 4 November 2020
+  by Riccardo Rizzo
+*/
+#include <AutomationCarrier.h>
+#include <CAN.h>
+using namespace automation;
+
+#define DATARATE_2MB     260000
+#define DATARATE_1_5MB   206000
+#define DATARATE_1MB     125000
+#define DATARATE_800KB   100000
+
+
+void setup() {
+  Serial.begin(9600);
+  while (!Serial) {
+    ; // wait for serial port to connect.
+  }
+
+  Serial.println("Start CAN initialization");
+  comm_protocols.enableCAN();
+  comm_protocols.can.frequency(DATARATE_800KB);
+  Serial.println("Initialization done");
+}
+
+int counter = 0;
+unsigned char payload = 0x49;
+int payload_size = 1;
+
+void loop() {
+
+  mbed::CANMessage msg = mbed::CANMessage(13ul, &payload, payload_size);
+  if (comm_protocols.can.write(msg)) {
+    Serial.println("Message sent");
+  }
+
+  delay(100);
+}

examples/Digital_output/Digital_output.ino

@@ -43,9 +43,9 @@ void setup() {
   while (!Serial);
 
   //Set over current behavior of all channels to latch mode:
-  programmable_digital_io.setLatch();
+  digital_programmables.setLatch();
   //Set over current behavior of all channels to auto retry mode:
-  programmable_digital_io.setRetry();
+  digital_programmables.setRetry();
 
   //At startup set all channels to OPEN
   digital_outputs.setAll(0);