CaryCoders
AS3935 Lightning sensor library
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:
- 4:ab1f1b65468b
- Parent:
- 3:c536a9aa2a1c
- Child:
- 5:28311803e23d
--- a/AS3935.h Thu Jun 11 19:45:11 2015 +0000
+++ b/AS3935.h Mon Jun 15 14:27:34 2015 +0000
@@ -70,76 +70,82 @@
//the rest of the register remains intact
void registerWrite(char reg, char mask, char data);
- //read specified register using specified bitmask and return value aligned
- //to lsb, i.e. if value to be read is in a middle of register, function
- //reads register and then aligns lsb of value to lsb of byte
- char registerRead(char reg, char mask);
+ //read specified register using specified bitmask and return value aligned
+ //to lsb, i.e. if value to be read is in a middle of register, function
+ //reads register and then aligns lsb of value to lsb of byte
+ char registerRead(char reg, char mask);
- //reset all the registers on chip to default values
- void reset();
+ //reset all the registers on chip to default values
+ void reset();
- //put chip into power down mode
- void powerDown();
-
- //bring chip out of power down mode and perform RCO calibration
- void powerUp();
+ //set preset defaults
+ void presetDefault();
- //return interrupt source, bitmask, 0b0001 - noise, 0b0100 - disturber,
- //0b1000 - lightning
- int interruptSource();
-
- //disable indication of disturbers
- void disableDisturbers();
-
- //enable indication of distrubers
- void enableDisturbers();
-
- //return number of lightnings that need to be detected in 17 minute period
- //before interrupt is issued
- int getMinimumLightnings();
-
- //set number of lightnings that need to be detected in 17 minute period
- //before interrupt is issued
- int setMinimumLightnings(int minlightning);
+ //initialization
+ void init();
+
+ //put chip into power down mode
+ void powerDown();
+
+ //bring chip out of power down mode and perform RCO calibration
+ void powerUp();
+
+ //return interrupt source, bitmask, 0b0001 - noise, 0b0100 - disturber,
+ //0b1000 - lightning
+ int interruptSource();
- //return distance to lightning in kilometers, 1 means storm is overhead,
- //63 means it is too far to reliably calculate distance
- int lightningDistanceKm();
-
- // load gain preset to operate indoors
- void setIndoors();
+ //disable indication of disturbers
+ void disableDisturbers();
+
+ //enable indication of distrubers
+ void enableDisturbers();
+
+ //return number of lightnings that need to be detected in 17 minute period
+ //before interrupt is issued
+ int getMinimumLightnings();
+
+ //set number of lightnings that need to be detected in 17 minute period
+ //before interrupt is issued
+ int setMinimumLightnings(int minlightning);
+
+ //return distance to lightning in kilometers, 1 means storm is overhead,
+ //63 means it is too far to reliably calculate distance
+ int lightningDistanceKm();
- //load gain preset to operate outdoors
- void setOutdoors();
-
- //return noise floor setting - refer to datasheet for meaning and range
- int getNoiseFloor();
+ // load gain preset to operate indoors
+ void setIndoors();
- //set noise floor setting
- int setNoiseFloor(int noisefloor);
-
- //return spike rejection value - refer to datasheet for meaning and range
- int getSpikeRejection();
+ //load gain preset to operate outdoors
+ void setOutdoors();
- //set spike rejection value
- int setSpikeRejection(int srej);
+ //return noise floor setting - refer to datasheet for meaning and range
+ int getNoiseFloor();
+
+ //set noise floor setting
+ int setNoiseFloor(int noisefloor);
- //return watchdog threshold value - refer to datasheet for meaning and range
- int getWatchdogThreshold();
+ //return spike rejection value - refer to datasheet for meaning and range
+ int getSpikeRejection();
- //set watchdog threshold value
- int setWatchdogThreshold(int wdth);
+ //set spike rejection value
+ int setSpikeRejection(int srej);
- //return tune Capacity value
- int getTuneCap();
+ //return watchdog threshold value - refer to datasheet for meaning and range
+ int getWatchdogThreshold();
+
+ //set watchdog threshold value
+ int setWatchdogThreshold(int wdth);
- //set tune Capacity value
- int setTuneCap(int cap);
+ //return tune Capacity value
+ int getTuneCap();
- //clear internal accumulated lightning statistics
- void clearStats();
+ //set tune Capacity value
+ int setTuneCap(int cap);
+
+ //clear internal accumulated lightning statistics
+ void clearStats();
- int calibrateRCOs (void);
+ int calibrateRCOs (void);
/** Attach a function, lightning interrupt