Diff: main.cpp

Revision:

0:f61429c7c6c0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Mar 04 09:34:52 2020 +0000
@@ -0,0 +1,46 @@
+#include "mbed.h"
+
+CAN can1(p30,p29);
+
+DigitalOut led(LED1);
+DigitalOut led2(LED2);
+
+Ticker ticker;
+
+char can_data1[2]= {0,0};
+int data1;
+float y;
+void can_send()
+{
+    data1=500;
+    can_data1[0]=data1>>8;
+    can_data1[1]=data1&255;
+    if(can1.write(CANMessage(1,can_data1,2))) {
+        led =1;
+        led2=0;
+        printf("send\r\n");
+    } else {
+        led=0;
+        led2=1;
+        printf("no send\r\n");
+    }
+    
+    CANMessage msg1;
+    if(can1.read(msg1)) {
+        if(msg1.id == 2) {
+            y=(short)((msg1.data[0]<<8)|msg1.data[1]);
+            if(y==1000) {
+                led=1;
+                led2=1;
+            } else {
+                led=0;
+                led2=0;
+            }
+        }
+    }
+}
+int main()
+{
+    can1.frequency(1000000);
+    ticker.attach(&can_send,0.01);
+}