Diff: main.cpp

Revision:

0:daa2647a8c40

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Nov 15 17:36:34 2017 +0000
@@ -0,0 +1,70 @@
+#include "mbed.h"
+
+DigitalOut myled(LED1);
+DigitalOut resetimu(p11);
+Serial pc(USBTX, USBRX); // tx, rx
+Serial r1350n(p9, p10);  // tx, rx
+
+
+char buf[] = "Hello World!";
+int state = 0 , counter = 0;
+unsigned char  buffer[15];
+ 
+void dev_rx () {
+    unsigned char data;
+    data = r1350n.getc();
+    switch (state) {
+    case 0:
+      if (data == 0xaa) {
+        state++;
+      }
+      break;
+    case 1:
+      if (data == 0x00) {
+        state++;
+      } 
+      else {
+        counter = 0;
+        state = 0;
+      }
+      break;
+    case 2:
+      buffer[counter++] = data;
+      if (counter >= 13) {
+        int sum = 0;
+        for (int i = 0; i < 11; i++) sum += buffer[i];
+        if ((sum & 0xff) == buffer[12]) {
+          pc.printf("Angle = %4d,AccX = %4d,AccY = %4d,AccZ = %4d\r\n",
+            (buffer[2] << 8) | buffer[1],
+            (buffer[6] << 8) | buffer[5],
+            (buffer[8] << 8) | buffer[7],
+            (buffer[10] << 8) | buffer[9]
+            );
+          wait(0.01);
+          //Serial.flush();
+        }
+        state = 0;
+        counter = 0;
+      }
+      break;
+    }
+}
+ 
+int main() {
+    r1350n.baud(115200);
+    resetimu = 0;
+    wait(0.1);
+    resetimu = 1;
+    wait(2);
+    //pc.attach(pc_rx, Serial::RxIrq);
+    pc.printf("Hello World!\n");
+    r1350n.attach(dev_rx, Serial::RxIrq);
+    //pc.attach(pc_tx, Serial::TxIrq);
+ 
+    while(1){
+        myled = 1;
+        wait(0.2);
+        myled = 0;
+        wait(0.2);
+    }
+}
\ No newline at end of file