Revision 3:391141bdd69a, committed 2015-07-31

Comitter:

eleim

Date:

Fri Jul 31 15:53:25 2015 +0000

Parent:

2:3779f28a6bf0

Commit message:

Trying to transmit data from mbed to Spark through nRF;

Changed in this revision

--- a/main.cpp	Thu Jul 09 19:03:22 2015 +0000
+++ b/main.cpp	Fri Jul 31 15:53:25 2015 +0000
@@ -3,15 +3,19 @@
 #include "MMA8451Q.h"
 #include <list>
 #include <math.h>
-#include <queue>
 #define MMA8451_I2C_ADDRESS (0x1d<<1)
-#define TRANSFER_SIZE   24
+#define TRANSFER_SIZE   8
 
 Serial pc(USBTX, USBRX); // tx, rx
 
 PinName const SDA = PTE25;
 PinName const SCL = PTE24;
 
+//int foo=0;
+//float x;
+//float y;
+//float z;
+
 AnalogIn light_ain(A0);
 AnalogIn temp_ain(A1);
 AnalogIn pir_ain(A2);
@@ -29,73 +33,105 @@
 std::list<float> temp_data;
 std::list<float> pir_data;
 
+float light_data2[20];
+float temp_data2[20];
+float pir_data2[20];
+short array_ind = 0;
 
 void getdata() {
+        
+        light = light_ain.read();
+        temp = temp_ain.read();
+        pir = pir_ain.read();
+    
+        light_data.push_back(light);
+        temp_data.push_back(temp);
+        pir_data.push_back(pir);
+
+        light_data.pop_front();
+        temp_data.pop_front();
+        pir_data.pop_front();
+    
+        printf("Light reading: %f\n\r", light);  
+        printf("Light list element : %f\n\r", light_data.back()); 
+    
+        printf("Temperature reading: %f\n\r", temp);  
+        printf("Temperature list element : %f\n\r", temp_data.back()); 
+    
+        printf("Temperature reading: %f\n\r", light);
+        printf("Pir reading: %f\n\r", pir_data.back());   
+ 
+}
+
+void getdata2() {
     light = light_ain.read();
     temp = temp_ain.read();
     pir = pir_ain.read();
     
-    light_data.push_back(light);
-    temp_data.push_back(temp);
-    pir_data.push_back(pir);
-
-  
-    light_data.pop_front();
-    temp_data.pop_front();
-    pir_data.pop_front();
-    printf("Light reading: %f\n\r", light);  
-    printf("Light list element : %f\n\r", light_data.back()); 
+    light_data2[array_ind] = light;
+    temp_data2[array_ind] = temp;
+    pir_data2[array_ind] = pir;
     
-    printf("Temperature reading: %f\n\r", temp);  
-    printf("Temperature list element : %f\n\r", temp_data.back()); 
-    
-    printf("Temperature reading: %f\n\r", light);
-    printf("Pir reading: %f\n\r", pir_data.back()); 
-    
+    array_ind = (array_ind + 1) % 20;
 }
 
 
-int main()
-{
-       
-    light_data.assign(20,0);
-    temp_data.assign(20,0);
-    pir_data.assign(20,0);
-    MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
+int main(){
+        int txDataCnt=0 ;
+        int rxDataCnt=0 ;
+        char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
+        my_nrf24l01p.powerUp();
+        my_nrf24l01p.setRfFrequency (2501);
+        my_nrf24l01p.setTransferSize(8);
+        my_nrf24l01p.setCrcWidth(8);
+        my_nrf24l01p.enableAutoAcknowledge(NRF24L01P_PIPE_P0);
+        //my_nrf24l01p.setRxAddress(0x00F0F0F0F0);
+        my_nrf24l01p.setRxAddress(0xF0F0F0F0E1ULL);
+        my_nrf24l01p.setTxAddress(0x00F0F0F0F0);
+        //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.setTransmitMode();
+        my_nrf24l01p.enable();
+        pc.printf( "Setup complete, Starting While loop\r\n");
+        
+        //printf("MMA8451 ID: %d\n", acc.getWhoAmI());
+        
+    
+while(1){
+        getdata2();
+        //txDataCnt =  sprintf(txData, "  %1.4f   %1.4f   %1.4f  %1.4f\n", light_data.back(), light_data.back(), temp_data.back(), pir_data.back());
+        //txDataCnt =  sprintf(txData,"  %1.3f   %1.3f   %1.3f\n", light_data2[19], temp_data2[19], pir_data2[19]);
+        // 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() );
+        //txDataCnt= (txDataCnt+1);
+        
+        //txDataCnt =  sprintf(txData,"%7.3f\n", light_data2[19]);
+        printf(txData,sizeof(&txDataCnt));
+        my_nrf24l01p.write(NRF24L01P_PIPE_P0, "abcdefgh", 8*sizeof(char));
+        wait(0.5);
+        printf("Talking...\r\n");
+        
+        if ( my_nrf24l01p.readable() ) {
+                rxDataCnt = my_nrf24l01p.read(NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
+                unsigned long *time_ptr = (unsigned long*)rxData; // pointer manipulation split out to make working obvious
+                unsigned long time = *time_ptr;                   
+                pc.printf("Received %d bytes\n\r", rxDataCnt);
+                pc.printf("Value = %d\n\r", time);
+               
+                txDataCnt=0;
+                myled1 = !myled1;
+                wait(0.5);
+        }
 
+}}
 
 
-    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) {
-        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);
-    }
-
-}
-
-