Accelerometer + NRF

Dependencies:   MMA8451Q mbed nRF24L01P

Fork of Node_test_v2 by TJ Projects

Files at this revision

API Documentation at this revision

Comitter:
jaehughes
Date:
Wed Jul 01 21:16:03 2015 +0000
Parent:
4:7d3a1dfe5454
Commit message:
analog read and store in vector

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
diff -r 7d3a1dfe5454 -r 7c53f5f2af8d main.cpp
--- a/main.cpp	Mon Jun 29 12:29:05 2015 +0000
+++ b/main.cpp	Wed Jul 01 21:16:03 2015 +0000
@@ -1,83 +1,95 @@
 #include "mbed.h"
 #include "nRF24L01P.h"
 #include "MMA8451Q.h"
- 
+#include <vector>
+#include <math.h>
+
 #define MMA8451_I2C_ADDRESS (0x1d<<1)
- 
+#define TRANSFER_SIZE   24
+
 Serial pc(USBTX, USBRX); // tx, rx
- 
+
 PinName const SDA = PTE25;
 PinName const SCL = PTE24;
- 
+
+AnalogIn light_ain(A0);
+AnalogIn temp_ain(A1);
+AnalogIn pir_ain(A3);
+
 nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTE1, PTE0, PTD0);    // mosi, miso, sck, csn, ce, irq
- 
+
 DigitalOut myled1(LED1);
 DigitalOut myled2(LED2);
- 
+
+uint16_t light;
+uint16_t temp;
+uint16_t pir;
+
+std::vector<uint16_t> light_data;
+std::vector<uint16_t> temp_data;
+std::vector<uint16_t> pir_data;
+
+void getdata()
+{
+    light = light_ain.read_u16();
+    temp = temp_ain.read_u16();
+    pir = pir_ain.read_u16();
+
+    light_data.push_back (light);
+    temp_data.push_back (temp);
+    pir_data.push_back (pir);
+
+    light_data.pop_back();
+    temp_data.pop_back();
+    pir_data.pop_back();
+    
+        
+    printf("%f\n", light_data);
+   
+}
+
+
 int main()
 {
- 
+
     MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
-    //PwmOut rled(LED1);
-    //PwmOut gled(LED2);
-    //PwmOut bled(LED3);
- 
-// The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
-//  "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019)
-//  only handles 4 byte transfers in the ATMega code.
-#define TRANSFER_SIZE   24
- 
+
+    light_data.assign (20,0);
+    temp_data.assign (20,0);
+    pir_data.assign (20,0);
+
+
     char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
     int txDataCnt = 0;
     int rxDataCnt = 0;
- 
+
     my_nrf24l01p.powerUp();
- 
+
     // Display the (default) setup of the nRF24L01+ chip
     //pc.printf( "nRF24L01+ Frequency    : %d MHz\r\n",  my_nrf24l01p.getRfFrequency() );
     //pc.printf( "nRF24L01+ Output power : %d dBm\r\n",  my_nrf24l01p.getRfOutputPower() );
     //pc.printf( "nRF24L01+ Data Rate    : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
     //pc.printf( "nRF24L01+ TX Address   : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
     //pc.printf( "nRF24L01+ RX Address   : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
- 
+
     //pc.printf( "Type keys to test transfers:\r\n  (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE );
- 
+
     my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
- 
+
     my_nrf24l01p.setReceiveMode();
     my_nrf24l01p.enable();
- 
- 
- 
+
     printf("MMA8451 ID: %d\n", acc.getWhoAmI());
- 
+
     while (1) {
- 
-        float x, y, z;
-        x = abs(acc.getAccX());
-        y = abs(acc.getAccY());
-        z = abs(acc.getAccZ());
-        //rled = 1.0f - x;
-        //gled = 1.0f - y;
-        //bled = 1.0f - z;
-        //wait(0.01);
-        //txDataCnt =  sprintf(txData, "X:%1.3f,Y:%1.3f,Z:%1.3f\n", x,y,z);
-         txDataCnt =  sprintf(txData, "  %1.3f   %1.3f   %1.3f\n", x,y,z);
-        printf("X:%f,Y:%f,Z:%f size %i %s\n", x, y, z,txDataCnt, txData);
- 
-        // If we've received anything over the host serial link...
- 
-        // ...add it to the transmit buffer
-        //txData[txDataCnt++] = pc.getc();
- 
-        // If the transmit buffer is full
- 
-        // Send the transmitbuffer via the nRF24L01+
-        my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
-        
-        printf("sent");
- 
-        // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
+        getdata();
+
+        // txDataCnt =  sprintf(txData, "  %1.3f   %1.3f   %1.3f\n", x,y,z);
+        //my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
         myled1 = !myled1;
+        wait(0.5);
     }
-}
\ No newline at end of file
+
+}
+
+