Kinga Magyar / Microbit_data_sender_receiver

Sends compass and accelerometer data, receives data and displays on LED matrix

Dependencies:   microbit

Files at this revision

API Documentation at this revision

Revision 3:5567512e8de7, committed 2017-02-20

Comitter:
kinga
Date:
Mon Feb 20 15:26:27 2017 +0000
Parent:
2:541a2fae2429
Child:
4:7f5e478f945c
Commit message:
working!!!

Changed in this revision

LedMatrix.cpp Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/LedMatrix.cpp	Mon Feb 20 09:33:31 2017 +0000
+++ b/LedMatrix.cpp	Mon Feb 20 15:26:27 2017 +0000
@@ -30,7 +30,7 @@
 
 MicroBitImage LedMatrix::getMatrixImage()
 {
-    char* ledStatus;
+    char* ledStatus = new char[50];
     
     for (int i = 0; i < 5; ++i)
     {
@@ -38,11 +38,13 @@
         {
             if (j != 4)
             {
-                ledStatus = ledStatus + (ledMatrix[i][j] == 0 ? '0': '1') + ',';
+            ledStatus[i*10 + j*2] = (ledMatrix[i][j] == 0 ? '0' : '1');
+            ledStatus[i*10 + j*2 + 1] = ',';
             }
             else
             {
-                ledStatus = ledStatus + (ledMatrix[i][j] == 0 ? '0': '1') + '\n';
+            ledStatus[i*10 + j*2] = (ledMatrix[i][j] == 0 ? '0' : '1');
+            ledStatus[i*10 + j*2 + 1] = '\n';
             }
         }
     }

--- a/main.cpp	Mon Feb 20 09:33:31 2017 +0000
+++ b/main.cpp	Mon Feb 20 15:26:27 2017 +0000
@@ -32,14 +32,14 @@
     return getCompassHeading() + getAccelerometerVectors();
 }
 
-int readData()
+ManagedString readData()
 {
     return serial.read(2, ASYNC);
 }
 
-/*int convertData(int num);
+/*int convertData()
 {
-    return atoi(readData()[num]);
+    return atoi(readData());
 }*/
 
 /*void readData()
@@ -65,8 +65,12 @@
         //buffer = readData();
         //myLedMatrix.setLedMatrix(temp / 10, temp % 10);
         //int buffer = readData();
-        myLedMatrix.setLedMatrix((readData() /10), (readData() % 10));
-        uBit.display.print(myLedMatrix.getMatrixImage());
+        ManagedString buffer = readData();
+        if (buffer.length() != 0)
+        {
+            myLedMatrix.setLedMatrix((int)buffer.charAt(0) - 48, (int)buffer.charAt(1) - 48);
+            uBit.display.print(myLedMatrix.getMatrixImage());
+        }
         //readData();
         sendData();
         uBit.sleep(500);