Add test case MBED_30 and MBED_31 to test CAN api

libraries/tests/mbed/can/main.cpp

@@ -0,0 +1,40 @@
+#include "mbed.h"
+
+Ticker ticker;
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+CAN can1(p9, p10);
+CAN can2(p30, p29);
+char counter = 0;
+ 
+void printmsg(char *title, CANMessage *msg) {    
+    printf("%s [%03X]", title, msg->id);
+    for(char i = 0; i < msg->len; i++) {
+        printf(" %02X", msg->data[i]);
+    }
+    printf("\n");
+} 
+
+void send() {
+    printf("send()\n");
+    CANMessage msg = CANMessage(1337, &counter, 1);
+    if(can1.write(msg)) {
+        printmsg("Tx message:", &msg);
+        counter++;
+    } 
+    led1 = !led1;
+}
+
+int main() {
+    printf("main()\n");
+    ticker.attach(&send, 1);
+    CANMessage msg;
+    while(1) {
+        printf("loop()\n");
+        if(can1.read(msg)) {
+            printmsg("Rx message:", &msg);
+            led2 = !led2;
+        }
+        wait(0.2);
+    }
+}

libraries/tests/mbed/can_interrupt/main.cpp

@@ -0,0 +1,45 @@
+#include "mbed.h"
+
+Ticker ticker;
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+CAN can1(p9, p10);
+CAN can2(p30, p29);
+char counter = 0;
+ 
+void printmsg(char *title, CANMessage *msg) {    
+    printf("%s [%03X]", title, msg->id);
+    for(char i = 0; i < msg->len; i++) {
+        printf(" %02X", msg->data[i]);
+    }
+    printf("\n");
+} 
+
+void send() {
+    printf("send()\n");
+    CANMessage msg = CANMessage(1337, &counter, 1);
+    if(can1.write(msg)) {
+        printmsg("Tx message:", &msg);
+        counter++;
+    } 
+    led1 = !led1;
+}
+
+void read() {
+    CANMessage msg;
+    printf("rx()\n");
+    if(can1.read(msg)) {
+        printmsg("Rx message:", &msg);
+        led2 = !led2;
+    }
+}
+ 
+int main() {
+    printf("main()\n");
+    ticker.attach(&send, 1);
+    can1.attach(&read);
+    while(1) {
+        printf("loop()\n");
+        wait(1);
+    }
+}

workspace_tools/tests.py

@@ -369,6 +369,18 @@ TESTS = [
         "source_dir": join(TEST_DIR, "mbed", "interrupt_chaining", "ticker"),
         "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
     },
+    {
+        "id": "MBED_30", "description": "CAN network test",
+        "source_dir": join(TEST_DIR, "mbed", "can"),
+        "dependencies": [MBED_LIBRARIES],
+        "mcu": ["LPC1768"]
+    },
+    {
+        "id": "MBED_31", "description": "CAN network test using interrupts",
+        "source_dir": join(TEST_DIR, "mbed", "can_interrupt"),
+        "dependencies": [MBED_LIBRARIES],
+        "mcu": ["LPC1768"]
+    },	
  
     # CMSIS RTOS tests
     {