CaryCoders / AS3935

AS3935 Lightning sensor library

Dependents:   zeus

Fork of AS3935 by valentin spanu

include the mbed library with this snippet

#include "mbed.h"
#include "AS3935.h"

 // frdm-kl25z sd card connections for spi1 
 // ------------------------------------------------
 // Header -- kl25z -- SD/MMC          
 // J2-20  -- PTE1  -- MOSI
 // J9-13  -- PTE4  -- CS
 // J2-14  -- GND   -- Vss (GND) 
 // J9-9   -- PTE2  -- SCK
 // J9-11  -- PTE3  -- MISO
 
AS3935 ld(PTE1, PTE3, PTE2, PTE4, "ld", 100000); // MOSI, MISO, SCK, CS, SPI bus freq (hz) 
InterruptIn IntLightning(PTA12); //IRQ AS3935
DigitalOut led1(LED_RED);
Serial pc(USBTX, USBRX);

void DetectLightning()
{
    char OriginInt;
     wait_ms(2); 
    OriginInt = ld.interruptSource();
    if (OriginInt == 1) { //
        pc.printf(" Noise level too high\r\n");
        }
    if (OriginInt == 4) { //
        pc.printf(" Disturber\r\n");
        }
    if (OriginInt == 8) { // detection
        // pc.printf(" Lightning detection\r\n");
        pc.printf(" Lightning detection, distance=%dkm\r\n", ld.lightningDistanceKm());
        ld.clearStats();

        }
}

 
int main() {
    pc.baud(9600);
    pc.printf("\r\nstart lightning detector\r\n");
    
    //initialisations
    ld.reset();
    ld.setTuneCap(5); // 500kHz
    ld.powerUp();
    ld.setIndoors();  
    ld.setMinimumLightnings(1);
    //ld.setSpikeRejection(2);
    ld.setNoiseFloor(2);
    ld.disableDisturbers();
    //ld.enableDisturbers();
    ld.setWatchdogThreshold(2);
    wait_ms(10);
    IntLightning.rise(&DetectLightning);
    int MinBlysk = ld.getMinimumLightnings();
    int Noise = ld.getNoiseFloor();
    int TuneCap = ld.getTuneCap();
    int SpikeRej = ld.getSpikeRejection();
    int WatchDog = ld.getWatchdogThreshold();
     
    pc.printf(" Min wylad: %i", MinBlysk);
    pc.printf("\r\n");
    pc.printf(" Noise: %i", Noise);
    pc.printf("\r\n");
    pc.printf(" Tune CAP: %i", TuneCap);
    pc.printf("\r\n");
    pc.printf(" Spike rej: %i", SpikeRej);
    pc.printf("\r\n");
    pc.printf(" Watchdog: %i", WatchDog);
    pc.printf("\r\n");
    while(1) {
        led1 = ! led1;
        wait(0.2);
     }
    
 
 }

Diff: AS3935.h

Revision:
3:c536a9aa2a1c
Parent:
1:f2d9ed33c276
Child:
4:ab1f1b65468b
--- a/AS3935.h	Thu Jun 11 15:53:51 2015 +0000
+++ b/AS3935.h	Thu Jun 11 19:45:11 2015 +0000
@@ -50,26 +50,19 @@
 class AS3935 {
     
     public:
-    /*
-    * Initializes i2c interface and IRQ pin
-    */
-  //  AS3935(PinName sda, PinName scl, int adresse, int hz = 1000000);
-        
-        
+             
     /** Create a virtual file system for accessing SD/MMC cards via SPI
      *
-    * @param mosi The SPI data out pin.
+     * @param mosi The SPI data out pin.
      * @param miso The SPI data in pin.
      * @param sclk The SPI clock pin.
      * @param cs The SPI chip select pin.
-     * @param name The name used to access the virtual filesystem.
-     * @param cd The card detect pin.
-     * @param cdtype The type of card detect switch.
+     * @param name The name used to access the spi bus.
      * @param hz The SPI bus frequency (defaults to 1MHz).
-     */
+    */
      
-    AS3935(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name, PinName cd = NC, int hz = 10000);
-        
+    AS3935(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name, int hz = 1000000);
+     
     //destruction         
     //~AS3935();   
         
@@ -145,6 +138,9 @@
         
         //clear internal accumulated lightning statistics
         void clearStats();
+
+        int calibrateRCOs (void);
+
         
     /** Attach a function, lightning interrupt
      * @param fptr pointer to a void function, or 0 to set as none
@@ -166,7 +162,7 @@
     //DigitalOut _irq;
     SPI m_Spi;
     DigitalOut m_Cs;
-    InterruptIn m_Cd;
+    //InterruptIn m_Cd;
     
     int m_CdAssert;
     const int m_FREQ;