AS3935 Lightning sensor library
Fork of AS3935 by
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.cpp
- Revision:
- 11:ee2e7a573227
- Parent:
- 10:bf33e2946bab
- Child:
- 12:ac6ba62a31c6
--- a/AS3935.cpp Tue Jun 23 21:01:27 2015 +0000 +++ b/AS3935.cpp Wed Jun 24 16:36:47 2015 +0000 @@ -88,16 +88,7 @@ regval >>= (_ffsz(mask)); return regval; } -#if 0 -void AS3935::reset() - { - m_Cs = 0; - m_Spi.write(0x3D); - m_Spi.write(0x96); - m_Cs = 1; - wait_ms(2); -} -#endif + void AS3935::presetDefault() { m_Cs = 0; @@ -118,135 +109,8 @@ registerWrite(AS3935_PWD,1); } -#if 0 -void AS3935::powerUp() -{ - #if 0 - registerWrite(AS3935_PWD,0); - //printf("wrote power up \r\n"); - m_Cs = 0; - m_Spi.write(0x3D); - m_Spi.write(0x96); - m_Cs = 1; - wait_ms(3); - registerWrite(AS3935_DISP_TRCO,1); - wait_ms(2); - registerWrite(AS3935_DISP_TRCO,0); -#else - m_Cs = 0; - m_Spi.write(0x00); - m_Spi.write(0x1c); - m_Cs = 1; - wait_ms(2); -#endif -} -#endif - -#if 0 -// replication of the acurite init sequence -void AS3935::acurite() -{ - m_Cs = 0; - m_Spi.write(0x00); - m_Spi.write(0x1d); - m_Cs = 1; - wait_ms(2); - - m_Cs = 0; - m_Spi.write(0x3c); - m_Spi.write(0x96); - m_Cs = 1; - wait_ms(2); - - m_Cs = 0; - m_Spi.write(0x01); - m_Spi.write(0x24); - m_Cs = 1; - wait_ms(2); - - m_Cs = 0; - m_Spi.write(0x03); - m_Spi.write(0x41); - m_Cs = 1; - wait_ms(2); - int i; - for (i=0;i<8; i++) - { - m_Cs = 0; - m_Spi.write(0x08); - m_Spi.write(0x80+i); - m_Cs = 1; - wait_ms(2); - } - - m_Cs = 0; - m_Spi.write(0x08); - m_Spi.write(0x08); - m_Cs = 1; - wait_ms(2); - m_Cs = 0; - m_Spi.write(0x00); - m_Spi.write(0x1c); - m_Cs = 1; - wait_ms(2); - - m_Cs = 0; - m_Spi.write(0x3d); - m_Spi.write(0x96); - m_Cs = 1; - wait_ms(2); - m_Cs = 0; - m_Spi.write(0x08); - m_Spi.write(0x48); - m_Cs = 1; - wait_ms(2); - - m_Cs = 0; - m_Spi.write(0x08); - m_Spi.write(0x8); - m_Cs = 1; - wait_ms(2); - - m_Cs = 0; - m_Spi.write(0x08); - m_Spi.write(0x28); - m_Cs = 1; - wait_ms(2); - - m_Cs = 0; - m_Spi.write(0x08); - m_Spi.write(0x48); - m_Cs = 1; - wait_ms(2); - - m_Cs = 0; - m_Spi.write(0x08); - m_Spi.write(0x8); - m_Cs = 1; - wait_ms(2); - - m_Cs = 0; - m_Spi.write(0x02); - m_Spi.write(0x82); - m_Cs = 1; - wait_ms(2); - - m_Cs = 0; - m_Spi.write(0x01); - m_Spi.write(0x24); - m_Cs = 1; - wait_ms(2); - - m_Cs = 0; - m_Spi.write(0x02); - m_Spi.write(0xc2); - m_Cs = 1; - wait_ms(2); - - -} -#endif + int AS3935::interruptSource() { return registerRead(AS3935_INT); @@ -455,3 +319,20 @@ retVal = ((unsigned long)rxBuff[2] << 16) | ((unsigned long)rxBuff[1] << 8) | (unsigned long)rxBuff[0]; return retVal; } + +bool AS3935::getConfigRegisters(unsigned char *pBuff, unsigned char buffLen) +{ + unsigned char cnt = 0; + + if (NULL == pBuff) + return false; + + for (cnt = 0; cnt < buffLen && cnt < MAX_CONFIG_REGS; ++cnt) + { + pBuff[cnt] = _rawRegisterRead(cnt); + } + return true; +} + + +