Diff: main.cpp

Revision:

1:571258908570

Parent:

0:5c4169623549

Child:

2:15d9501bf5b3

--- a/main.cpp	Mon Jul 21 13:46:49 2014 +0000
+++ b/main.cpp	Thu Jul 24 08:53:44 2014 +0000
@@ -1,54 +1,25 @@
 #include "mbed.h"
-#include "CPU_Usage.h"
 #include "RTC.h"
 #include "PowerControl.h"
 #include "EthernetPowerControl.h"
 #include "WakeUp.h"
 #include "steven_powercontrol.h"
+#include "Pulses.h"
+
+
 DigitalOut myled1(LED1);
 DigitalOut myled2(LED2) ;
 DigitalOut myled3(LED3) ;
 Serial pc (USBTX, USBRX);
 Timer t;
-CPU_Usage cpu(t, 1);
+//CPU_Usage cpu(t, 1);
 
-class Watchdog {
-public:
-// Load timeout value in watchdog timer and enable
-    void kick(float s) {
-        LPC_WDT->WDCLKSEL = 0x02;               // Set CLK src to RTC for DeepSleep wakeup
-        LPC_WDT->WDTC = (s/4.0)*32768;
-        LPC_WDT->WDMOD = 0x3;                   // Enabled and Reset
-        kick();
-    }
-// "kick" or "feed" the dog - reset the watchdog timer
-// by writing this required bit pattern
-    void kick() {
-        LPC_WDT->WDFEED = 0xAA;
-        LPC_WDT->WDFEED = 0x55;
-    }
-};
- 
+AnalogOut multimeter(p18);
 
-Watchdog wdt;
-
-//test PLL***
-
-  // Define the register names that haven't been defined
-#define CLKSRCSEL LPC_SC->CLKSRCSEL
-#define PLL0CFG LPC_SC->PLL0CFG
-#define PLL0CON LPC_SC->PLL0CON
-#define CCLKCFG LPC_SC->CCLKCFG
-#define PLL0FEED LPC_SC->PLL0FEED
-#define PLL0STAT LPC_SC->PLL0STAT
-
-  // Other defines
-#define SYSCLK 96000000
-#define EXTCLK 12000000
-#define PLLCLK 288000000
-#define PLLMULT (PLLCLK/2/EXTCLK)-1
-//end test PLL***
-
+// Example for energy meter with SO interface.
+// SO output of energy meter is connected (over opto-coppler) to pin 8
+#define SO_PULSES 2000 // SO interface of energy meter with 2000 pulses per kWh
+Pulses pulses(p8, Pulses::FALL);
 
 void steven_get_string(){
    char input[50]; 
@@ -58,7 +29,7 @@
         pc.putc(ret);
         if (num >=50){
             pc.printf("Overflow \n");
-            exit ; 
+            break;
         }
         if (ret!=(char)NULL)
             input[num++]=ret;
@@ -69,39 +40,74 @@
     pc.printf ("you have input %s \n",input);
 }
 
+void power_measurement(void){
+    pulses.setFactor ( 3600.0f/SO_PULSES );   // Scale to kW; kWh
+    float averagePower = 0;    // Average energy since last call of get()
+    float minPower = 0;        // Min. energy since last call of get()
+    float maxPower = 0;        // Max. energy since last call of get()
+    float sumEnergy = 0;       // Sum of energy over all since start of mbed
+    
+    while(1) {
+        
+        pulses.get ( &averagePower, &minPower, &maxPower, &sumEnergy );
+        
+        pc.printf ( "Power: %.3f (%.3f...%.3f) [kW]   Energy: %.3f [kWh]   SO-pulses=%d\r\n", 
+            averagePower,
+            minPower,
+            maxPower,
+            sumEnergy / 3600.0f,
+            pulses.getCounter() );
 
- 
-void ledFunction( void )
-{
-    myled1 = !myled1;
-    RTC::detach(RTC::Second);
+        // wait(6);   // Example 6 seconds; typical 1 minute (60 sec) sample time
+        
+        // Additional feature: Output of actual power as analog voltage (1V==1kW; max3.3kW). Connect a multimeter to pin 18 and GND
+        for ( int i=0; i<20; i++ ) {
+            multimeter = pulses.getAct() / 3.3f;   // Scale to 1V==1kW
+            wait(0.3);   // Example 6 seconds; typical 1 minute (60 sec) sample time
+        }
+    }     
 }
- 
-void displayFunction( void )
+void profiling_PHY_PowerDown (void)
 {
-    time_t seconds = time(NULL);
-    printf("%s", ctime(&seconds));
+    //PHY_PowerUp();
+    if (!Peripheral_GetStatus(LPC1768_PCONP_PCENET))
+        EMAC_Init(); //init EMAC if it is not already init'd
+    
+    unsigned int regv;
+    wait (10);
+    myled1=1;
+    myled2=0;
+    myled2=0;
+    regv = read_PHY(PHY_REG_BMCR);
+    write_PHY(PHY_REG_BMCR, regv | (1 << PHY_REG_BMCR_POWERDOWN));
+    regv = read_PHY(PHY_REG_BMCR);
+    wait (10);
+    myled1=0;
+    myled2=1;
+    myled3=0;
+    //shouldn't need the EMAC now.
+    LPC_SC->PCONP &=~LPC1768_PCONP_PCENET;
+    wait (10);
+    myled1=0;
+    myled2=0;
+    myled3=1;
+    //and turn off the PHY OSC
+    LPC_GPIO1->FIODIR |= 0x8000000;
+    LPC_GPIO1->FIOCLR = 0x8000000;
+    while(1);
+
 }
- 
-void alarmFunction( void )
-{    
-     
-    wait(2);
-    myled3=1; // add debug information
-    printf("Not most useful alarm function");
-    set_time(0000000000);
-    RTC::alarmOff();
-}
- 
+
 int main()
 {
-    PHY_PowerUp();// power up PHY because it was powerred up as default. We might power it down when test "Turn off PHY".
+    //profiling_PHY_PowerDown();
+    //PHY_PowerUp();// power up PHY because it was powerred up as default. We might power it down when test "Turn off PHY".
     myled1=1;
     wait(0.5);
     myled1=0;
     char char_get=0;
     int num_get=0;
-    char* powermode[7]={ "[1] no low power", "[2] sleep mode", "[3] deep sleep mode", "[4] power down mode", "[5] Brown-out Reduced Power mode", "[6] Turn off PHY", "[7] Deep Power Down"};
+    char* powermode[7]={ "[1] no low power", "[2] sleep mode", "[3] deep sleep mode", "[4] power down mode", "[5] Brown-out Reduced Power mode", "[6] Deep Power Down", "[7] Turn off PHY"};
     while (num_get>7 || num_get<1){
         printf("Which power mode you want to choose: \r\n");
         for (int a=0;a<7;a++)
@@ -115,15 +121,16 @@
     myled2=1;
     wait(0.5);
     myled2=0;
-    WakeUp::set(10);
+    //WakeUp::set(10);
+    WakeUp::set(70);
     switch (num_get){
         case  1: break;
         case  2: steven_Sleep();break;
         case  3: steven_DeepSleep(); break;
         case  4: steven_PowerDown();break;
         case  5: steven_BOGD_PowerDown();break;
-        case  6: PHY_PowerDown(); break;
-        case  7: steven_PowerDown(); break;
+        case  6: steven_DeepPowerDown(); break;
+        case  7: profiling_PHY_PowerDown(); break;
         default: pc.printf("Not valid input\n"); break;          
     }     
    while (1);