Revision 5:303bc488a04a, committed 2014-08-18

Comitter:

palheart

Date:

Mon Aug 18 16:02:01 2014 +0000

Parent:

4:7ec5c7e1e80f

Commit message:

serial port works;

Changed in this revision

--- a/main.cpp	Thu Aug 07 08:37:32 2014 +0000
+++ b/main.cpp	Mon Aug 18 16:02:01 2014 +0000
@@ -4,31 +4,76 @@
 
 #define MMA8451_I2C_ADDRESS (0x1d<<1)
 
+DigitalOut myled(LED1);
 MMA8451Q acc(PTE25, PTE24, MMA8451_I2C_ADDRESS);
 USBMouse joystick;
 AnalogIn ainX(PTB0);
 AnalogIn ainY(PTB1);
+Serial serialPort(PTD3, PTD2); // tx, rx
+int ledState = 0;
+int x = 128, y = 128, xOld = 0, yOld = 0;
+int updateFlag = 0;
+
+void invertLed() {
+    if(ledState == 0) ledState = 1;
+    else ledState = 0;
+    myled = ledState;
+}
+
+void rxIrq() {
+    serialPort.scanf("%d %d",&x,&y);
+    invertLed();
+    updateFlag = 1;
+}
 
 int main(void) {
-    int x, y;
+    joystick.move(128, 128);
+
+
+    // IF you want to get the data from serial port, uncomment this part
+    // serial data rate is 9600 bps. send data to PTD2
+    // give two integers separated by space. First one is X and the second one is Y.
+    // 128 128 is at center, 0 0 is some corner and 255 255 is the diagonal corner.
 
+    serialPort.attach(&rxIrq);
     while (true) {
+        if(updateFlag) {
+            updateFlag = 0;
+            xOld = x;
+            yOld = y;
+            joystick.move(x, y);
+            
+        }
+        else 
+        {
+            joystick.move(xOld, yOld);
+        }
+        wait(0.08);
+    }
+
 
         // IF you are using the built-in acceleration sensor of the FRDM-KL25Z, uncomment this part
 /*
+    while (true) {
         x = (acc.getAccXX() + 4096)/32;
         y = (acc.getAccYY() + 4096)/32;
         x = x + 128;
         y = y + 128;
+        wait(0.1);
+    }
 */
         
+        
+        
         // IF you are using the analog input of the FRDM-KL25Z, uncomment this part
+/*
+    while (true) {
         x = ainX.read() * 256;
         y = ainY.read() * 256;
         x = x + 128;
         y = y + 128;
-
-        joystick.move(x, y);
         wait(0.1);
     }
+*/
+
 }