Revision 4:3bf9d70a48c8, committed 2015-06-19

Comitter:

star297

Date:

Fri Jun 19 19:24:01 2015 +0000

Parent:

3:1220287bcbd7

Commit message:

RDS text update

Changed in this revision

diff -r 1220287bcbd7 -r 3bf9d70a48c8 main.cpp
--- a/main.cpp	Fri Jun 19 16:38:34 2015 +0000
+++ b/main.cpp	Fri Jun 19 19:24:01 2015 +0000
@@ -1,7 +1,7 @@
 /*
 RDA5807M FM RDS Radio using the EFM32 Gecko Segment LCD
 RDS information is displayed using a PC terminal
-
+ 
 Use:
 switches PB0 and PB1 for frequency search
 Volume controlled by the Touch Slider
@@ -10,43 +10,48 @@
 Stereo received - Antenna Segment Display
 RDS available - LED0
 */
-
+ 
 #include "mbed.h"
 #include "RDA5807M.h"
 #include "EFM32_SegmentLCD.h"
 #include "EFM32_CapSenseSlider.h"
-
+ 
  
 RDA5807M radio(PC4, PC5);   // sda - scl
-
+ 
 Serial pc(USBTX, USBRX);
-
+ 
 InterruptIn scan_up(SW1);
 InterruptIn scan_down(SW0); 
-
+ 
 DigitalOut led1(LED1);
 DigitalOut led0(LED0);
-
+ 
 silabs::EFM32_SegmentLCD segmentDisplay;
 silabs::EFM32_CapSenseSlider capSlider;
-
+LowPowerTimeout wakeup;
+ 
 Timer t1;
  
-int x,n,i,l,signal,lastsignal,volume,laststereo;
+int x,n,i,l,wake,signal,lastsignal,volume,laststereo;
 float lastfreq;
 char Station[10],lastStationName[10],vol[4],lastCT[12];
 char RDStxt[70],RDStxt1[70],RDStxt2[70],text1[70],lasttext1[70],text2[70],lasttext2[70];
-
-void displayrefresh(),getrds();
-
+ 
+void displayrefresh(),getrds(),RTrefresh();
+ 
 void scan_upIRQ() {
     radio.SeekUp(); 
 }  
-
+ 
 void scan_downIRQ() {
     radio.SeekDown();    
 }
 
+void callback(void) {
+    wake = 1;
+}
+ 
 void slideCallback(void) {
     volume = capSlider.get_position()/3;        
     if(volume > 15){volume = 15;}
@@ -58,7 +63,7 @@
 }  
  
 int main() { 
-
+ 
     radio.Reset();      // reset and power up radio chip 
     segmentDisplay.Write("RdA5807");
     wait(1); 
@@ -74,12 +79,15 @@
     while(1){    
         radio.ProcessData();
         displayrefresh();
-        getrds();              
-        wait_ms(50);
-        if(t1.read()>3){strcpy(lastStationName," ");t1.stop();}        
+        getrds();
+        if(t1.read()>3){strcpy(lastStationName," ");t1.stop();} 
+        wait_ms(1);
+        wakeup.attach(callback, 0.05f);  // MCU average power now 1mA
+        wake = 0;
+        while(!wake) sleep();        
     }
 }
-
+ 
 void displayrefresh()
 {   
     if (strcmp(lastStationName, radio.StationName) != 0){
@@ -122,6 +130,17 @@
         lastsignal=radio.signal;       
         }
     if(strcmp(RDStxt1, lasttext1) != 0 || strcmp(RDStxt2, lasttext2) != 0){
+        RTrefresh();
+        }
+    if(strcmp(lastCT, radio.CTtime) !=0){    
+        pc.printf("Time: %s\n",radio.CTtime);
+        strcpy(lastCT,radio.CTtime);
+        if(led0==1){RTrefresh();}
+        }       
+}
+
+void RTrefresh()
+{
         pc.printf("\n-------------------------------------------\n");
         pc.printf("Station:\n%s\n\n",Station);
         pc.printf("RT:\n%s\n",RDStxt1);
@@ -130,13 +149,8 @@
         memset(lasttext1, '\0', sizeof(lasttext1));strcpy(lasttext1, RDStxt1);           
         memset(lasttext2, '\0', sizeof(lasttext2));strcpy(lasttext2, RDStxt2); 
         led0=1;
-        }
-    if(strcmp(lastCT, radio.CTtime) !=0){    
-        pc.printf("Time: %s\n",radio.CTtime);
-        strcpy(lastCT,radio.CTtime);
-        }       
-}       
-
+}        
+ 
 void getrds()
 {    
    if(strlen(radio.RDSText)>3){               
@@ -168,6 +182,4 @@
             x=0;
         }
     }   
-}
-
- 
+}
\ No newline at end of file