a

Dependencies:   mbed

Fork of AnalogIn-HelloWorld by Mbed

Revision:
2:ef95ef85b1fc
Parent:
0:101a12a915c6
--- a/main.cpp	Wed Dec 10 16:19:08 2014 -0600
+++ b/main.cpp	Fri Oct 30 08:25:50 2015 +0000
@@ -1,40 +1,19 @@
-/* mbed Example Program
- * Copyright (c) 2006-2014 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- 
 #include "mbed.h"
 
-// Initialize a pins to perform analog input and digital output fucntions
-AnalogIn   ain(A0);
-DigitalOut dout(LED1);
-
+AnalogIn   ain(dp13);
+Serial pc(USBTX,USBRX);
 int main(void)
-{
-    while (1) {
-        // test the voltage on the initialized analog pin
-        //  and if greater than 0.3 * VCC set the digital pin
-        //  to a logic 1 otherwise a logic 0
-        if(ain > 0.3f) {
-            dout = 1;
-        } else {
-            dout = 0;
-        }
-        
-        // print the percentage and 16 bit normalized values
-        printf("percentage: %3.3f%%\n", ain.read()*100.0f);
-        printf("normalized: 0x%04X \n", ain.read_u16());
-        wait(0.2f);
+{   
+    float ans=ain.read();
+    float prev=0;
+    double f;
+   
+    while (1) 
+    {           
+        prev = ain.read();
+        ans = (0.95 * ans + 0.05 * prev);  
+        f=ans*3600;
+
+        printf("%f\n",f);      
     }
-}
+}
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