Diff: BCN.cpp

Revision:

24:ca96cddf25d0

Parent:

23:a864d57f10c4

Child:

25:90cdfbadea91

diff -r a864d57f10c4 -r ca96cddf25d0 BCN.cpp
--- a/BCN.cpp	Mon Nov 02 14:09:45 2015 +0000
+++ b/BCN.cpp	Mon Nov 02 14:46:12 2015 +0000
@@ -1,13 +1,15 @@
 #include "BCN.h"
+#include <stdio.h>
+#include "pin_config.h"
 //Check the pin names
 //Takes max 4.3 sec in void FCTN_BCN_TX_MAIN() (temp.calc. + long_beacon + short_beacon) 
 
-Serial pc(USBTX, USBRX);        //tx,rx
-SPI spi(D11, D12, D13);              // mosi, miso, sclk 
-DigitalOut cs(D10);                //slave select or chip select
-Timer t_i;
-Timeout rf_sl_timeout;
-Ticker loop;
+Serial pc_bcn(USBTX, USBRX);        //tx,rx
+SPI spi(PIN16, PIN17, PIN15);              // mosi, miso, sclk 
+DigitalOut cs(PIN6);                //slave select or chip select
+Timer t_i;//timer for checking the time taken by (temp.calc. + long_beacon + short_beacon)
+Timeout rf_sl_timeout;//RF_silence timer
+Ticker loop;//for transmitting every 10 secs
 
 //GLOBAL VARIABLES
 uint8_t BCN_INIT_STATUS = 0;
@@ -20,21 +22,21 @@
 
 void FCTN_BCN_INIT()
 {
-    pc.printf("FCTN_BCN_INIT\n");
+    pc_bcn.printf("FCTN_BCN_INIT\n");
+    Init_BEACON_HW();
     BCN_INIT_STATUS = 1;
-    if(BCN_FEN == 0)
-        rf_sl_timeout.attach(&FCTN_BCN_FEN, 30);
-    Init_BEACON_HW();
+    if(BCN_FEN == 0)//BCN_FEN is in flash
+        rf_sl_timeout.attach(&FCTN_BCN_FEN, RF_SILENCE_TIME);
     BCN_INIT_STATUS = 0;
 }
 void FCTN_BCN_FEN()
 {
-    pc.printf("FCTN_FEN\n");
+    pc_bcn.printf("FCTN_FEN\n");
     BCN_FEN = 1;//write this value to flash
 }
 void FCTN_BCN_TX_MAIN()
 {
-    pc.printf("FCTN_BCN_TX_MAIN\n");
+    pc_bcn.printf("FCTN_BCN_TX_MAIN\n");
     t_i.start();
     int begin = t_i.read_us();
     BCN_TX_MAIN_STATUS = 1;
@@ -45,7 +47,7 @@
         {
             //Measure and store BCN temperature in BCN_TS_BUFFER
             BCN_TS_BUFFER = check_Temperature();
-            pc.printf("\n\ntemperature = %d\n\n",BCN_TS_BUFFER);
+            pc_bcn.printf("\n\ntemperature = %d\n\n",BCN_TS_BUFFER);
             //Get BCN_HK data from BCN HW(SPI) //Store BCN_HK data in BCN_HK_BUFFER
             if(BCN_STANDBY == 1 )
             {
@@ -86,7 +88,7 @@
     }
     t_i.stop();
     int end = t_i.read_us();
-    pc.printf("The time required for FCTN_BCN_TX_MAIN is %d useconds\r\n", end-begin);
+    pc_bcn.printf("The time required for FCTN_BCN_TX_MAIN is %d useconds\r\n", end-begin);
     
 }
 
@@ -98,9 +100,9 @@
 uint8_t check_Temperature()
 {   
     uint8_t temperature;
-    writereg(RF22_REG_0F_ADC_CONFIGURATION,0x00);            
-    writereg(RF22_REG_12_Temperature_Sensor_Calibration,0x20);
-    writereg(RF22_REG_0F_ADC_CONFIGURATION,0x80);
+    writereg(RF22_REG_0F_ADC_CONFIGURATION,0x00);//set ADC to temp measurement            
+    writereg(RF22_REG_12_Temperature_Sensor_Calibration,0x20);//measure in degree celsius
+    writereg(RF22_REG_0F_ADC_CONFIGURATION,0x80);//start adc
     wait(0.1);
     temperature = readreg(RF22_REG_11_ADC_Value);
     temperature = (float)temperature*0.5 - 64;
@@ -164,8 +166,9 @@
     cs = 1;
     
     //Set to Tx mode
-    writereg(RF22_REG_07_OPERATING_MODE1,0x08);
-    wait(0.1);  
+    writereg(RF22_REG_07_OPERATING_MODE1,0x08);       //txon
+    wait(0.1);// takes time to set to tx mode hence the delay of 0.1.  
+    
     //Check for fifoThresh
     while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;
     timeout_count=10e5;
@@ -173,7 +176,7 @@
     //Check for packet_sent
     while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break;
     
-    //pc.printf("Short packet sent\r\n");
+    //pc_bcn.printf("Short packet sent\r\n");
     
     writereg(RF22_REG_07_OPERATING_MODE1,0x00);        //standby mode
     
@@ -206,7 +209,7 @@
     
     //Set to Tx mode
     writereg(RF22_REG_07_OPERATING_MODE1,0x08);
-    wait(0.1);
+    wait(0.1);//necessary
     
     //Check for fifoThresh
     while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;
@@ -227,7 +230,7 @@
     //Check for packetsent interrupt
     while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break;
          
-    //pc.printf("Long packet sent\r\n");
+    //pc_bcn.printf("Long packet sent\r\n");
     
     writereg(RF22_REG_07_OPERATING_MODE1,0x00);        //standby mode
 }
@@ -299,9 +302,9 @@
     
     //should either have a flag for invalid SPI or discard this for actual case or add reset
     if (readreg(RF22_REG_00_DEVICE_TYPE) == 0x08)
-        pc.printf("spi connection valid\r\n");
+        pc_bcn.printf("spi connection valid\r\n");
     else
-        {pc.printf("error in spi connection\r\n");
+        {pc_bcn.printf("error in spi connection\r\n");
         reset_rfm();
         }
     
@@ -328,7 +331,7 @@
 
     if((readreg(RF22_REG_02_DEVICE_STATUS)& 0x08)!= 0x00)
         {
-            pc.printf("frequency not set properly\r\n");
+            pc_bcn.printf("frequency not set properly\r\n");
             reset_rfm();
         }
 
@@ -354,11 +357,11 @@
     }
     else
     {
-        pc.printf("Packet not sent\r\n");
+        pc_bcn.printf("Packet not sent\r\n");
         return 0;
     }
 }
-int main()
+/*int main()
 {
     FCTN_BCN_INIT(); 
     
@@ -366,4 +369,4 @@
     
     while(1);
     
-}
\ No newline at end of file
+}*/
\ No newline at end of file