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  1. 112
      DFRobot_AS3935_I2C.cpp
  2. 206
      DFRobot_AS3935_I2C.h
  3. 525
      LICENSE
  4. 224
      README_CN.md
  5. 241
      RaspberryPi/Python/DFRobot_AS3935_Lib.py
  6. 158
      RaspberryPi/Python/README.md
  7. 108
      RaspberryPi/Python/example/DFRobot_AS3935_detailed.py
  8. 94
      RaspberryPi/Python/example/DFRobot_AS3935_ordinary.py
  9. 48
      examples/DFRobotAS3935LightningSensorDetailed/DFRobotAS3935LightningSensorDetailed.ino
  10. 45
      examples/DFRobotAS3935LightningSensorOrdinary/DFRobotAS3935LightningSensorOrdinary.ino
  11. 9
      library.properties
  12. 319
      python/raspberrypi/DFRobot_AS3935_Lib.py
  13. 179
      python/raspberrypi/README.md
  14. 173
      python/raspberrypi/README_CN.md
  15. 107
      python/raspberrypi/example/DFRobot_AS3935_detailed/DFRobot_AS3935_detailed.py
  16. 94
      python/raspberrypi/example/DFRobot_AS3935_ordinary/DFRobot_AS3935_ordinary.py
  17. 259
      readme.md
  18. BIN
      resources/images/SEN0290.png

112
DFRobot_AS3935_I2C.cpp
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@ -1,3 +1,13 @@
/*!
* @file DFRobot_AS3935_I2C.h
* @brief This is a library for AS3935_I2C from DFRobot
* @copyright Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
* @license The MIT License (MIT)
* @author [TangJie](jie.tang@dfrobot.com)
* @version V1.0.2
* @date 2019-09-28
* @url https://github.com/DFRobor/DFRobot_AS3935
*/
#include "DFRobot_AS3935_I2C.h"
DFRobot_AS3935_I2C::DFRobot_AS3935_I2C(uint8_t irqx, uint8_t devAddx)
@ -11,34 +21,22 @@ DFRobot_AS3935_I2C::DFRobot_AS3935_I2C(uint8_t irqx, uint8_t devAddx)
DFRobot_AS3935_I2C::DFRobot_AS3935_I2C(uint8_t irqx)
{
irq = irqx;
// initalize the IRQ pins
// pinMode(irq, OUTPUT);
// digitalWrite(irq,1);
pinMode(irq, INPUT);
}
void DFRobot_AS3935_I2C::setI2CAddress(uint8_t devAddx)
{
if (devAddx == AS3935_ADD1)
{
if (devAddx == AS3935_ADD1){
devAdd = devAddx;
}
else if (devAddx == AS3935_ADD2)
{
}else if (devAddx == AS3935_ADD2){
devAdd = devAddx;
}
else
{
}else{
devAdd = AS3935_ADD3;
}
}
uint8_t DFRobot_AS3935_I2C::singRegRead(uint8_t regAdd)
{
// I2C address Register address num bytes
//I2c.read((uint8_t)devAdd, (uint8_t)regAdd, (uint8_t)0x01); // Use I2C library to read register
//uint8_t regData = I2c.receive(); // receive the I2C data
uint8_t buf[1];
readReg(regAdd, buf, 1);
return buf[0];
@ -60,10 +58,6 @@ void DFRobot_AS3935_I2C::singRegWrite(uint8_t regAdd, uint8_t dataMask, uint8_t
// finally, write the data to the register
//I2c.write(devAdd, regAdd, newRegData);
writeReg(regAdd, buf, 1);
//Serial.print("wrt: ");
//Serial.print(newRegData,HEX);
//Serial.print(" Act: ");
//Serial.println(singRegRead(regAdd),HEX);
}
int DFRobot_AS3935_I2C::defInit()
@ -77,7 +71,6 @@ int DFRobot_AS3935_I2C::reset()
//int error = I2c.write(devAdd, (uint8_t)0x3C, (uint8_t)0x96);
uint8_t buf[1];
buf[0] = 0x96;
writeReg(0x3c, buf, 1);
return 0;
}
@ -129,39 +122,25 @@ void DFRobot_AS3935_I2C::setIRQOutputSource(uint8_t irqSelect)
// reg 0x08, bits 5 (TRCO), 6 (SRCO), 7 (LCO)
// only one should be set at once, I think
// 0 = NONE, 1 = TRCO, 2 = SRCO, 3 = LCO
if(1 == irqSelect)
{
if(1 == irqSelect){
singRegWrite(0x08, 0xE0, 0x20); // set only TRCO bit
}
else if(2 == irqSelect)
{
}else if(2 == irqSelect){
singRegWrite(0x08, 0xE0, 0x40); // set only SRCO bit
}
else if(3 == irqSelect)
{
}else if(3 == irqSelect){
singRegWrite(0x08, 0xE0, 0x80); // set only LCO bit
}
else // assume 0
{
}else{
singRegWrite(0x08, 0xE0, 0x00); // clear IRQ pin display bits
}
}
void DFRobot_AS3935_I2C::setTuningCaps(uint8_t capVal)
{
// Assume only numbers divisible by 8 (because that's all the chip supports)
if(120 < capVal) // cap_value out of range, assume highest capacitance
{
if(120 < capVal){ // cap_value out of range, assume highest capacitance
singRegWrite(0x08, 0x0F, 0x0F); // set capacitance bits to maximum
}
else
{
}else{
singRegWrite(0x08, 0x0F, (capVal >> 3)); // set capacitance bits
}
//Serial.print("capacitance set to 8x");
//Serial.println((singRegRead(0x08) & 0x0F));
}
uint8_t DFRobot_AS3935_I2C::getInterruptSrc(void)
@ -171,20 +150,15 @@ uint8_t DFRobot_AS3935_I2C::getInterruptSrc(void)
// 0 = unknown src, 1 = lightning detected, 2 = disturber, 3 = Noise level too high
delay(10); // wait 3ms before reading (min 2ms per pg 22 of datasheet)
uint8_t intSrc = (singRegRead(0x03) & 0x0F); // read register, get rid of non-interrupt data
if(0x08 == intSrc)
{
if(0x08 == intSrc){
return 1; // lightning caused interrupt
}
else if(0x04 == intSrc)
{
}else if(0x04 == intSrc){
return 2; // disturber detected
}
else if(0x01 == intSrc)
{
}else if(0x01 == intSrc){
return 3; // Noise level too high
}
else{return 0;} // interrupt result not expected
}else{
return 0;
} // interrupt result not expected
}
uint8_t DFRobot_AS3935_I2C::getLightningDistKm(void)
@ -199,7 +173,6 @@ uint32_t DFRobot_AS3935_I2C::getStrikeEnergyRaw(void)
nrgyRaw |= singRegRead(0x05); // read MSB
nrgyRaw <<= 8; // shift 8 bits left, make room for LSB
nrgyRaw |= singRegRead(0x04); // read LSB, add to others
return nrgyRaw/16777;
}
@ -208,16 +181,13 @@ uint8_t DFRobot_AS3935_I2C::setMinStrikes(uint8_t minStrk)
// This function sets min strikes to the closest available number, rounding to the floor,
// where necessary, then returns the physical value that was set. Options are 1, 5, 9 or 16 strikes.
// see pg 22 of the datasheet for more info (#strikes in 17 min)
if(5 > minStrk)
{
if(5 > minStrk){
singRegWrite(0x02, 0x30, 0x00);
return 1;
}else if(9 > minStrk)
{
}else if(9 > minStrk){
singRegWrite(0x02, 0x30, 0x10);
return 5;
}else if(16 > minStrk)
{
}else if(16 > minStrk){
singRegWrite(0x02, 0x30, 0x20);
return 9;
}else{
@ -261,12 +231,9 @@ void DFRobot_AS3935_I2C::setNoiseFloorLvl(uint8_t nfSel)
{
// NF settings addres 0x01, bits 6:4
// default setting of 010 at startup (datasheet, table 9)
if(7 >= nfSel) // nfSel within expected range
{
if(7 >= nfSel){ // nfSel within expected range
singRegWrite(0x01, 0x70, ((nfSel & 0x07) << 4));
}
else
{ // out of range, set to default (power-up value 010)
}else{ // out of range, set to default (power-up value 010)
singRegWrite(0x01, 0x70, 0x20);
}
}
@ -353,33 +320,22 @@ void DFRobot_AS3935_I2C::manualCal(uint8_t capacitance, uint8_t location, uint8_
{
// start by powering up
powerUp();
// indoors/outdoors next...
if(1 == location) // set outdoors if 1
{
if(1 == location){ // set outdoors if 1
setOutdoors();
}
else // set indoors if anything but 1
{
}else{ // set indoors if anything but 1
setIndoors();
}
// disturber cal
if(0 == disturber) // disabled if 0
{
if(0 == disturber){ // disabled if 0
disturberDis();
}
else // enabled if anything but 0
{
}else{ // enabled if anything but 0
disturberEn();
}
setIRQOutputSource(0);
delay(500);
// capacitance first... directly write value here
setTuningCaps(capacitance);
Serial.println("AS3935 manual cal complete");
}
// a nice function would be to read the last 'x' strike data values....

206
DFRobot_AS3935_I2C.h
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@ -1,3 +1,15 @@
/*!
* @file DFRobot_AS3935_I2C.h
* @brief This is a library for AS3935_I2C from DFRobot
* @copyright Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
* @license The MIT License (MIT)
* @author [TangJie](jie.tang@dfrobot.com)
* @version V1.0.2
* @date 2019-09-28
* @url https://github.com/DFRobor/DFRobot_AS3935
*/
#ifndef DFRobot_AS3935_I2C_h
#define DFRobot_AS3935_I2C_h
@ -7,9 +19,9 @@
#include "Wire.h"
// I2C address
#define AS3935_ADD1 0x01 // A0=high, A1=low
#define AS3935_ADD3 0x03 // A0=high, A1=high
#define AS3935_ADD2 0x02 // A0=low, A1=high
#define AS3935_ADD1 0x01 ///< A0=high, A1=low
#define AS3935_ADD3 0x03 ///< A0=high, A1=high
#define AS3935_ADD2 0x02 ///< A0=low, A1=high
//#define ENABLE_DBG
#ifdef ENABLE_DBG
@ -20,54 +32,209 @@
#define DBG(...)
#endif
class DFRobot_AS3935_I2C
{
class DFRobot_AS3935_I2C{
public:
/**
* @fn DFRobot_AS3935_I2C
* @brief AS3935 object
* @param irqx irq pin
* @param devAddx i2c address
* @return None
*/
DFRobot_AS3935_I2C(uint8_t irqx, uint8_t devAddx);
/**
* @fn DFRobot_AS3935_I2C
* @brief AS3935 object
* @param irqx irq pin
* @return None
*/
DFRobot_AS3935_I2C(uint8_t irqx);
/**
* @fn begin
* @brief I2C init
* @return uint8_t type, indicates the initialization status
* @retval 0 succeed
* @retval 1 failure
*/
uint8_t begin(void);
/*! Set i2c address */
/**
* @fn setI2CAddress
* @brief set i2c address
* @param devAddx i2c address
* @return None
*/
void setI2CAddress(uint8_t devAddx);
/*! Manual calibration */
/**
* @fn manualCal
* @brief manual calibration
* @param capacitance capacitance
* @param location location
* @param disturber disturber
* @return None
*/
void manualCal(uint8_t capacitance, uint8_t location, uint8_t disturber);
/*! reset registers to default */
/**
* @fn defInit
* @brief reset registers to default
* @return int type,represents rest state
* @retval 0 success
*/
int defInit(void);
/**
* @fn disturberEn
* @brief Disturber detection enabled
* @return None
*/
void disturberEn(void);
/**
* @fn disturberDis
* @brief Disturber detection disenabled
* @return None
*/
void disturberDis(void);
/**
* @fn setIRQOutputSource
* @brief Set interrupt source
* @param irqSelect 0 = NONE, 1 = TRCO, 2 = SRCO, 3 = LCO
* @return None
*/
void setIRQOutputSource(uint8_t irqSelect);
/**
* @fn setTuningCaps
* @brief set capacitance
* @param capVal size
* @return None
*/
void setTuningCaps(uint8_t capVal);
/*! 0 = unknown src, 1 = lightning detected, 2 = disturber, 3 = Noise level too high */
/**
* @fn getInterruptSrc
* @brief get interrupt source
* @return uint8_t type，returns the interrupt source type
* @retval 0 interrupt result not expected
* @retval 1 lightning caused interrupt
* @retval 2 disturber detected
* @retval 3 Noise level too high
*/
uint8_t getInterruptSrc(void);
/*! Get rid of non-distance data */
/**
* @fn getLightningDistKm
* @brief get lightning distance
* @return unit kilometer
*/
uint8_t getLightningDistKm(void);
/*! Get lightning energy intensity */
/**
* @fn getStrikeEnergyRaw
* @brief get lightning energy intensity
* @return lightning energy intensity(0-1000)
*/
uint32_t getStrikeEnergyRaw(void);
uint8_t setMinStrikes(uint8_t minStrk);
void clearStatistics(void);
/**
* @fn setIndoors
* @brief Set to the indoor model
* @return None
*/
void setIndoors(void);
/**
* @fn setOutdoors
* @brief Set to the outdoor model
* @return None
*/
void setOutdoors(void);
/**
* @fn setOutdoors
* @brief Get the noise level
* @return Return noise level
*/
uint8_t getNoiseFloorLvl(void);
/**
* @fn setNoiseFloorLvl
* @brief Set the noise level
* @param 0~7,More than 7 will use the default value:2
* @return None
*/
void setNoiseFloorLvl(uint8_t nfSel);
/**
* @fn getWatchdogThreshold
* @brief read WDTH
* @return Return interference level
*/
uint8_t getWatchdogThreshold(void);
/**
* @fn setWatchdogThreshold
* @brief Set an anti-interference rating
* @param 0~7,More than 7 will use the default value:2
* @return None
*/
void setWatchdogThreshold(uint8_t wdth);
/**
* @fn getSpikeRejection
* @brief read SREJ (spike rejection)
* @return Return SREJ value
*/
uint8_t getSpikeRejection(void);
/**
* @fn setSpikeRejection
* @brief Modify SREJ (spike rejection)
* @param 0~7,More than 7 will use the default value:2
* @return None
*/
void setSpikeRejection(uint8_t srej);
/**
* @fn setLcoFdiv
* @brief Sets LCO_FDIV register
* @param fdiv Set 0, 1, 2 or 3 for ratios of 16, 32, 64 and 128, respectively
* @return None
*/
void setLcoFdiv(uint8_t fdiv);
/*! View register data */
/**
* @fn printAllRegs
* @brief view register data
* @return None
*/
void printAllRegs(void);
/**
* @fn powerUp
* @brief Configure sensor
* @return None
*/
void powerUp(void);
private:
uint8_t irq, devAdd;
uint8_t singRegRead(uint8_t regAdd);//原始I2C数据读取
void singRegWrite(uint8_t regAdd, uint8_t dataMask, uint8_t regData);//原始数据发送
uint8_t singRegRead(uint8_t regAdd);
void singRegWrite(uint8_t regAdd, uint8_t dataMask, uint8_t regData);
int reset(void);
void powerDown(void);
void calRCO(void);
void clearStatistics(void);
uint8_t setMinStrikes(uint8_t minStrk);
/**
* @fn writeReg
* @brief Write register value through IIC bus
*
* @param reg Register address 8bits
* @param pBuf Storage cache to write data in
* @param size The length of data to be written
@ -76,18 +243,15 @@ class DFRobot_AS3935_I2C
//void writeRegNoStop(uint8_t reg, void *pBuf, size_t size)
/**
* @fn readReg
* @brief Read register value through IIC bus
*
* @param reg Register address 8bits
* @param pBuf Read data storage cache
* @param size Read the length of data
* @return Return the read length
*/
size_t readReg(uint8_t reg, void *pBuf, size_t size);
};
#endif

525
LICENSE
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@ -1,504 +1,21 @@
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
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224
README_CN.md
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# DFRobot_AS3935
* [English Version](./README.md)
AS3935雷电传感器可以检测雷电，显示雷电的距离和强度，不受电弧和噪声的干扰
可设置为室内或室外模式
![Product Image](./resources/images/SEN0290.png)
## 产品链接（https://www.dfrobot.com.cn/goods-1889.html）
SKU：SEN0290
## 目录
* [概述](#概述)
* [库安装](#库安装)
* [方法](#方法)
* [兼容性](#兼容性)
* [历史](#历史)
* [创作者](#创作者)
## 概述
从AS3935模块中输入命令和读取数据
1. 闪电传感器对半径40公里以内的雷暴活动发出警报
2. 从头顶到风暴顶部的距离估计为40公里，每15步
3.检测云对地和云内(云对云)闪烁
4. 嵌入人工干扰抑制算法
5. 可编程检测水平使阈值设置为最佳控制
6. 三个i2c接口，自由切换避免站点冲突
## 库安装
使用此库前，请首先下载库文件，将其粘贴到\Arduino\libraries目录中，然后打开examples文件夹并在该文件夹中运行演示。
## 方法
```C++
/**
* @fn begin
* @brief I2C初始化
* @return uint8_t 类型, 表示初始化状态
* @retval 0 成功
* @retval 1 失败
*/
uint8_t begin(void);
/**
* @brief 设置 i2c 地址
* @param devAddx i2c 地址
*/
void setI2CAddress(uint8_t devAddx);
/**
* @fn manualCal
* @brief 配置传感器
* @param capacitance 天线调谐电容(必须是8,8 - 120pf的整数倍)
* @param location 室内或室外模式选择
* @param disturber 启用/禁用干扰发射机检测
* @return None
*/
void manualCal(uint8_t capacitance, uint8_t location, uint8_t disturber);
/**
* @fn defInit
* @brief 将寄存器重置为默认值
* @return int 类型,表示rest状态
* @return 0 成功
*/
int defInit(void);
/**
* @fn disturberEn
* @brief 中断检测使能
* @return None
*/
void disturberEn(void);
/**
* @fn disturberDis
* @brief 中断检测失能
* @return None
*/
void disturberDis(void);
/**
* @fn setIRQOutputSource
* @brief 设置中断源
* @param irqSelect 0 = NONE, 1 = TRCO, 2 = SRCO, 3 = LCO
* @return None
*/
void setIRQOutputSource(uint8_t irqSelect);
/**
* @fn setTuningCaps
* @brief 设置容量
* @param capVal 容量大小
* @return None
*/
void setTuningCaps(uint8_t capVal);
/**
* @fn getInterruptSrc
* @brief 获取中断源
* @return uint8_t类型，返回中断源类型
* @retval 0 没有中断
* @retval 1 闪电引起的中断
* @retval 2 干扰中断
* @retval 3 噪声量太高
*/
uint8_t getInterruptSrc(void);
/**
* @fn getLightningDistKm
* @brief 获取闪电距离
* @return 闪电距离(单位公里)
*/
uint8_t getLightningDistKm(void);
/**
* @fn getStrikeEnergyRaw
* @brief 获取闪电能力强度
* @return 闪电能力强度(0-1000)
*/
uint32_t getStrikeEnergyRaw(void);
/**
* @fn setIndoors
* @brief 设置为室内模式
* @return None
*/
void setIndoors(void);
/**
* @fn setOutdoors
* @brief 设置为室外模式
* @return None
*/
void setOutdoors(void);
/**
* @fn getNoiseFloorLvl
* @brief 获取噪音等级
* @return 返回噪声等级
*/
uint8_t getNoiseFloorLvl(void);
/**
* @fn setNoiseFloorLvl
* @brief 设置噪音等级
* @param nfSel 0~7,大于7将使用默认值:2
* @return None
*/
void setNoiseFloorLvl(uint8_t nfSel);
/**
* @fn getWatchdogThreshold
* @brief 获取干扰等级
* @return 返回干扰等级
*/
uint8_t getWatchdogThreshold(void);
/**
* @fn setWatchdogThreshold
* @brief 设置干扰等级
* @param wdth 0~7,大于7将使用默认值:2
* @return None
*/
void setWatchdogThreshold(uint8_t wdth);
/**
* @fn getSpikeRejection
* @brief 获取 SREJ (毛刺抑制)
* @return 返回SREJ值
*/
uint8_t getSpikeRejection(void);
/**
* @fn setSpikeRejection
* @brief 修改 SREJ (毛刺抑制)
* @param 0~7,大于7将使用默认值:2
*/
void setSpikeRejection(uint8_t srej);
/**
* @fn setLcoFdiv
* @brief 设置 LCO_FDIV 寄存器
* @param fdiv 设置0, 1, 2或3的比率分别为16,32,64和128
* @return None
*/
void setLcoFdiv(uint8_t fdiv);
/**
* @fn printAllRegs
* @brief 查看注册数据
* @return None
*/
void printAllRegs(void);
/**
* @fn powerUp
* @brief 配置传感器电源
* @return None
*/
void powerUp(void);
```
## 兼容性
主板 | 通过 | 未通过 | 未测试 | 备注
------------------ | :----------: | :----------: | :---------: | -----
Arduino uno | √ | | |
esp8266 | √ | | |
## 历史
- 2021/09/30 - 1.0.2 版本
- 2021/08/24 - 1.0.1 版本
- 2019/09/28 - 1.0.0 版本
## 创作者
Written by TangJie(jie.Tang@dfrobot.com), 2019. (Welcome to our [website](https://www.dfrobot.com/))

241
RaspberryPi/Python/DFRobot_AS3935_Lib.py
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import time
import smbus
class DFRobot_AS3935:
def __init__(self, address, bus = 1):
self.address = address
self.i2cbus = smbus.SMBus(bus)
def writeByte(self, register, value):
try:
self.i2cbus.write_byte_data(self.address, register, value)
return 1
except:
return 0
def readData(self, register):
self.register = self.i2cbus.read_i2c_block_data(self.address, register)
def manualCal(self, capacitance, location, disturber):
self.powerUp()
if location == 1:
self.setIndoors()
else:
self.setOutdoors()
if disturber == 0:
self.disturberDis()
else:
self.disturberEn()
self.setIrqOutputSource(0)
time.sleep(0.5)
self.setTuningCaps(capacitance)
def setTuningCaps(self, capVal):
#Assume only numbers divisible by 8 (because that's all the chip supports)
if capVal > 120: #cap_value out of range, assume highest capacitance
self.singRegWrite(0x08, 0x0F, 0x0F) #set capacitance bits to maximum
else:
self.singRegWrite(0x08, 0x0F, capVal >> 3) #set capacitance bits
self.singRegRead(0x08)
#print('capacitance set to 8x%d'%(self.register[0] & 0x0F))
def powerUp(self):
#register 0x00, PWD bit: 0 (clears PWD)
self.singRegWrite(0x00, 0x01, 0x00)
self.calRCO() #run RCO cal cmd
self.singRegWrite(0x08, 0x20, 0x20) #set DISP_SRCO to 1
time.sleep(0.002)
self.singRegWrite(0x08, 0x20, 0x00) #set DISP_SRCO to 0
def powerDown(self):
#register 0x00, PWD bit: 0 (sets PWD)
self.singRegWrite(0x00, 0x01, 0x01)
def calRCO(self):
self.writeByte(0x3D, 0x96)
time.sleep(0.002)
def setIndoors(self):
self.singRegWrite(0x00, 0x3E, 0x24)
print("set to indoors model")
def setOutdoors(self):
self.singRegWrite(0x00, 0x3E, 0x1C)
print("set to outdoors model")
def disturberDis(self):
#register 0x03, PWD bit: 5 (sets MASK_DIST)
self.singRegWrite(0x03, 0x20, 0x20)
print("disenable disturber detection")
def disturberEn(self):
#register 0x03, PWD bit: 5 (sets MASK_DIST)
self.singRegWrite(0x03, 0x20, 0x00)
print("enable disturber detection")
def singRegWrite(self, regAdd, dataMask, regData):
#start by reading original register data (only modifying what we need to)
self.singRegRead(regAdd)
#calculate new register data... 'delete' old targeted data, replace with new data
#note: 'dataMask' must be bits targeted for replacement
#add'l note: this function does NOT shift values into the proper place... they need to be there already
newRegData = (self.register[0] & ~dataMask)|(regData & dataMask)
#finally, write the data to the register
self.writeByte(regAdd, newRegData)
#print('wrt: %02x'%newRegData)
self.singRegRead(regAdd)
#print('Act: %02x'%self.register[0])
def singRegRead(self,regAdd):
self.readData(regAdd)
def getInterruptSrc(self):
#definition of interrupt data on table 18 of datasheet
#for this function:
#0 = unknown src, 1 = lightning detected, 2 = disturber, 3 = Noise level too high
time.sleep(0.03) #wait 3ms before reading (min 2ms per pg 22 of datasheet)
self.singRegRead(0x03) #read register, get rid of non-interrupt data
intSrc = self.register[0]&0x0F
if intSrc == 0x08:
return 1 #lightning caused interrupt
elif intSrc == 0x04:
return 2 #disturber detected
elif intSrc == 0x01:
return 3 #Noise level too high
else:
return 0 #interrupt result not expected
def reset(self):
err = self.writeByte(0x3C, 0x96)
time.sleep(0.002) #wait 2ms to complete
return err
def setLcoFdiv(self,fdiv):
self.singRegWrite(0x03, 0xC0, (fdiv & 0x03) << 6)
def setIrqOutputSource(self, irqSelect):
#set interrupt source - what to display on IRQ pin
#reg 0x08, bits 5 (TRCO), 6 (SRCO), 7 (LCO)
#only one should be set at once, I think
#0 = NONE, 1 = TRCO, 2 = SRCO, 3 = LCO
if irqSelect == 1:
self.singRegWrite(0x08, 0xE0, 0x20) #set only TRCO bit
elif irqSelect == 2:
self.singRegWrite(0x08, 0xE0, 0x40) #set only SRCO bit
elif irqSelect == 3:
self.singRegWrite(0x08, 0xE0, 0x80) #set only SRCO bit
else:
self.singRegWrite(0x08, 0xE0, 0x00) #clear IRQ pin display bits
def getLightningDistKm(self):
self.singRegRead(0x07) #read register, get rid of non-distance data
return self.register[0]&0x3F
def getStrikeEnergyRaw(self):
self.singRegRead(0x06) #MMSB, shift 8 bits left, make room for MSB
nrgyRaw = (self.register[0]&0x1F) << 8
self.singRegRead(0x05) #read MSB
nrgyRaw |= self.register[0]
nrgyRaw <<= 8 #shift 8 bits left, make room for LSB
self.singRegRead(0x04) #read LSB, add to others
nrgyRaw |= self.register[0]
return nrgyRaw/16777
def setMinStrikes(self, minStrk):
#This function sets min strikes to the closest available number, rounding to the floor,
#where necessary, then returns the physical value that was set. Options are 1, 5, 9 or 16 strikes.
if minStrk < 5:
self.singRegWrite(0x02, 0x30, 0x00)
return 1
elif minStrk < 9:
self.singRegWrite(0x02, 0x30, 0x10)
return 5
elif minStrk < 16:
self.singRegWrite(0x02, 0x30, 0x20)
return 9
else:
self.singRegWrite(0x02, 0x30, 0x30)
return 16
def clearStatistics(self):
#clear is accomplished by toggling CL_STAT bit 'high-low-high' (then set low to move on)
self.singRegWrite(0x02, 0x40, 0x40) #high
self.singRegWrite(0x02, 0x40, 0x00) #low
self.singRegWrite(0x02, 0x40, 0x40) #high
def getNoiseFloorLv1(self):
#NF settings addres 0x01, bits 6:4
#default setting of 010 at startup (datasheet, table 9)
self.singRegRead(0x01) #read register 0x01
return (self.register[0] & 0x70) >> 4 #should return value from 0-7, see table 16 for info
def setNoiseFloorLv1(self, nfSel):
#NF settings addres 0x01, bits 6:4
#default setting of 010 at startup (datasheet, table 9)
if nfSel <= 7: #nfSel within expected range
self.singRegWrite(0x01, 0x70, (nfSel & 0x07) << 4)
else: #out of range, set to default (power-up value 010)
self.singRegWrite(0x01, 0x70, 0x20)
def getWatchdogThreshold(self):
#This function is used to read WDTH. It is used to increase robustness to disturbers,
#though will make detection less efficient (see page 19, Fig 20 of datasheet)
#WDTH register: add 0x01, bits 3:0
#default value of 0010
#values should only be between 0x00 and 0x0F (0 and 7)
self.singRegRead(0x01)
return self.register[0] & 0x0F
def setWatchdogThreshold(self, wdth):
#This function is used to modify WDTH. It is used to increase robustness to disturbers,
#though will make detection less efficient (see page 19, Fig 20 of datasheet)
#WDTH register: add 0x01, bits 3:0
#default value of 0010
#values should only be between 0x00 and 0x0F (0 and 7)
self.singRegWrite(0x01, 0x0F, wdth & 0x0F)
def getSpikeRejection(self):
#This function is used to read SREJ (spike rejection). Similar to the Watchdog threshold,
#it is used to make the system more robust to disturbers, though will make general detection
#less efficient (see page 20-21, especially Fig 21 of datasheet)
#SREJ register: add 0x02, bits 3:0
#default value of 0010
#values should only be between 0x00 and 0x0F (0 and 7)
self.singRegRead(0x02)
return self.register[0] & 0x0F
def setSpikeRejection(self, srej):
#This function is used to modify SREJ (spike rejection). Similar to the Watchdog threshold,
#it is used to make the system more robust to disturbers, though will make general detection
#less efficient (see page 20-21, especially Fig 21 of datasheet)
#WDTH register: add 0x02, bits 3:0
#default value of 0010
#values should only be between 0x00 and 0x0F (0 and 7)
self.singRegWrite(0x02, 0x0F, srej & 0x0F)
def printAllRegs(self):
self.singRegRead(0x00)
print("Reg 0x00: %02x"%self.register[0])
self.singRegRead(0x01)
print("Reg 0x01: %02x"%self.register[0])
self.singRegRead(0x02)
print("Reg 0x02: %02x"%self.register[0])
self.singRegRead(0x03)
print("Reg 0x03: %02x"%self.register[0])
self.singRegRead(0x04)
print("Reg 0x04: %02x"%self.register[0])
self.singRegRead(0x05)
print("Reg 0x05: %02x"%self.register[0])
self.singRegRead(0x06)
print("Reg 0x06: %02x"%self.register[0])
self.singRegRead(0x07)
print("Reg 0x07: %02x"%self.register[0])
self.singRegRead(0x08)
print("Reg 0x08: %02x"%self.register[0])

158
RaspberryPi/Python/README.md
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@ -1,158 +0,0 @@
## DFRobot_AS3935_Lib.py Library for Raspberry pi
---------------------------------------------------------
This is the sample code for Gravity:Lightning Sensor, SKU: SEN0292.
## Table of Contents
* [Installation](#installation)
* [Methods](#methods)
<snippet>
<content>
## Installation
The Lightning Sensor should work with AS3935
(https://github.com/DFRobot/DFRobot_AS3935/tree/master/RaspberryPi/Python)
Run the program:
```cpp
$> python DFRobot_AS3935.py
```
## Methods
```C++
/*
* @brief Init The Lightning Sensor
*
* @param address I2C address(1~3)
* bus I2C bus
*/
DFRobot_AS3935(address, bus);
/*
* @brief Sensor reset
*/
def reset(self);
/*
* @brief Configure sensor
*
* @param capacitance Antenna tuning capcitance (must be integer multiple of 8, 8 - 120 pf)
* location Indoor/outdoor mode selection
* disturber Enable/disable disturber detection
*/
def manualCal(self, capacitance, location, disturber);
/*
* @brief Get mid-range type
*
* @return 0 Unknown src
* 1 Lightning detected
* 2 Disturber
* 3 Noise level too high
*/
def getInterruptSrc(self);
/*
* @brief get lightning distance
*
* @return unit kilometer
*/
def getLightningDistKm(self);
/*
* @brief get lightning energy intensity
*
* @return lightning energy intensity(0-1000)
*/
def getStrikeEnergyRaw(self);
/*
* @brief Sets LCO_FDIV register
*
* @param fdiv Set 0, 1, 2 or 3 for ratios of 16, 32, 64 and 128, respectively
*/
def setLcoFdiv(self,fdiv);
/*
* @brief Set interrupt source
*
* @param irqSelect 0 = NONE, 1 = TRCO, 2 = SRCO, 3 = LCO
*/
def setIrqOutputSource(self, irqSelect);
/*
* @brief Set to the outdoor model
*/
def setOutdoors(self);
/*
* @brief Set to the indoor model
*/
def setIndoors(self);
/*
* @brief Disturber detection enabled
*/
def disturberEn(self);
/*
* @brief Disturber detection disenabled
*/
def disturberDis(self);
/*
* @brief Set the noise level
*
* @param 0~7,More than 7 will use the default value:2
*/
def setNoiseFloorLv1(self, nfSel);
/*
* @brief Get the noise level
*
* @return 0~7
*/
def getNoiseFloorLv1(self);
/*
* @brief Set an anti-interference rating
*
* @param 0~7,More than 7 will use the default value:2
*/
def setWatchdogThreshold(self, wdth);
/*
* @brief read WDTH
*
* @return 0~7
*/
def getWatchdogThreshold(self);
/*
* @brief Modify SREJ (spike rejection)
*
* @param 0~7,More than 7 will use the default value:2
*/
def setSpikeRejection(self, srej);
/*
* @brief read SREJ (spike rejection)
*
* @return 0~7
*/
def getSpikeRejection(self);
```
## Credits
Written by DFRobot_JH, 2018. (Welcome to our [website](https://www.dfrobot.com/))

108
RaspberryPi/Python/example/DFRobot_AS3935_detailed.py
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@ -1,108 +0,0 @@
# file DFRobot_AS3935_detailed.py
#
# SEN0290 Lightning Sensor
# This sensor can detect lightning and display the distance and intensity of the lightning within 40 km
# It can be set as indoor or outdoor mode.
# The module has three I2C, these addresses are:
# AS3935_ADD1 0x01 A0 = 1 A1 = 0
# AS3935_ADD2 0x02 A0 = 0 A1 = 1
# AS3935_ADD3 0x03 A0 = 1 A1 = 1
#
#
# Copyright [DFRobot](http://www.dfrobot.com), 2018
# Copyright GNU Lesser General Public License
#
# version V1.0
# date 2018-11-28
import sys
sys.path.append('../')
import time
from DFRobot_AS3935_Lib import DFRobot_AS3935
import RPi.GPIO as GPIO
from datetime import datetime
#I2C address
AS3935_I2C_ADDR1 = 0X01
AS3935_I2C_ADDR2 = 0X02
AS3935_I2C_ADDR3 = 0X03
#Antenna tuning capcitance (must be integer multiple of 8, 8 - 120 pf)
AS3935_CAPACITANCE = 96
IRQ_PIN = 7
GPIO.setmode(GPIO.BOARD)
sensor = DFRobot_AS3935(AS3935_I2C_ADDR3, bus = 1)
if (sensor.reset()):
print("init sensor sucess.")
else:
print("init sensor fail")
while True:
pass
#Configure sensor
sensor.powerUp()
#set indoors or outdoors models
sensor.setIndoors()
#sensor.setOutdoors()
#disturber detection
sensor.disturberEn()
#sensor.disturberDis()
sensor.setIrqOutputSource(0)
time.sleep(0.5)
#set capacitance
sensor.setTuningCaps(AS3935_CAPACITANCE)
# Connect the IRQ and GND pin to the oscilloscope.
# uncomment the following sentences to fine tune the antenna for better performance.
# This will dispaly the antenna's resonance frequency/16 on IRQ pin (The resonance frequency will be divided by 16 on this pin)
# Tuning AS3935_CAPACITANCE to make the frequency within 500/16 kHz plus 3.5% to 500/16 kHz minus 3.5%
#
# sensor.setLcoFdiv(0)
# sensor.setIrqOutputSource(3)
#Set the noise level,use a default value greater than 7
sensor.setNoiseFloorLv1(2)
#noiseLv = sensor.getNoiseFloorLv1()
#used to modify WDTH,alues should only be between 0x00 and 0x0F (0 and 7)
sensor.setWatchdogThreshold(2)
#wtdgThreshold = sensor.getWatchdogThreshold()
#used to modify SREJ (spike rejection),values should only be between 0x00 and 0x0F (0 and 7)
sensor.setSpikeRejection(2)
#spikeRejection = sensor.getSpikeRejection()
#view all register data
#sensor.printAllRegs()
def callback_handle(channel):
global sensor
time.sleep(0.005)
intSrc = sensor.getInterruptSrc()
if intSrc == 1:
lightningDistKm = sensor.getLightningDistKm()
print('Lightning occurs!')
print('Distance: %dkm'%lightningDistKm)
lightningEnergyVal = sensor.getStrikeEnergyRaw()
print('Intensity: %d '%lightningEnergyVal)
elif intSrc == 2:
print('Disturber discovered!')
elif intSrc == 3:
print('Noise level too high!')
else:
pass
#Set to input mode
GPIO.setup(IRQ_PIN, GPIO.IN)
#Set the interrupt pin, the interrupt function, rising along the trigger
GPIO.add_event_detect(IRQ_PIN, GPIO.RISING, callback = callback_handle)
print("start lightning detect.")
while True:
time.sleep(1.0)

94
RaspberryPi/Python/example/DFRobot_AS3935_ordinary.py
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@ -1,94 +0,0 @@
# file DFRobot_AS3935_ordinary.py
#
# SEN0290 Lightning Sensor
# This sensor can detect lightning and display the distance and intensity of the lightning within 40 km
# It can be set as indoor or outdoor mode.
# The module has three I2C, these addresses are:
# AS3935_ADD1 0x01 A0 = 1 A1 = 0
# AS3935_ADD2 0x02 A0 = 0 A1 = 1
# AS3935_ADD3 0x03 A0 = 1 A1 = 1
#
#
# Copyright [DFRobot](http://www.dfrobot.com), 2018
# Copyright GNU Lesser General Public License
#
# version V1.0
# date 2018-11-28
import sys
sys.path.append('../')
import time
from DFRobot_AS3935_Lib import DFRobot_AS3935
import RPi.GPIO as GPIO
from datetime import datetime
#I2C address
AS3935_I2C_ADDR1 = 0X01
AS3935_I2C_ADDR2 = 0X02
AS3935_I2C_ADDR3 = 0X03
#Antenna tuning capcitance (must be integer multiple of 8, 8 - 120 pf)
AS3935_CAPACITANCE = 96
IRQ_PIN = 7
#Indoor/outdoor mode selection
AS3935_INDOORS = 0
AS3935_OUTDOORS = 1
AS3935_MODE = AS3935_INDOORS
#Enable/disable disturber detection
AS3935_DIST_DIS = 0
AS3935_DIST_EN = 1
AS3935_DIST = AS3935_DIST_EN
GPIO.setmode(GPIO.BOARD)
sensor = DFRobot_AS3935(AS3935_I2C_ADDR3, bus = 1)
if (sensor.reset()):
print("init sensor sucess.")
else:
print("init sensor fail")
while True:
pass
#Configure sensor
sensor.manualCal(AS3935_CAPACITANCE, AS3935_MODE, AS3935_DIST)
# Connect the IRQ and GND pin to the oscilloscope.
# uncomment the following sentences to fine tune the antenna for better performance.
# This will dispaly the antenna's resonance frequency/16 on IRQ pin (The resonance frequency will be divided by 16 on this pin)
# Tuning AS3935_CAPACITANCE to make the frequency within 500/16 kHz plus 3.5% to 500/16 kHz minus 3.5%
#
# sensor.setLcoFdiv(0)
# sensor.setIrqOutputSource(3)
#view all register data
#sensor.printAllRegs()
def callback_handle(channel):
global sensor
time.sleep(0.005)
intSrc = sensor.getInterruptSrc()
if intSrc == 1:
lightningDistKm = sensor.getLightningDistKm()
print('Lightning occurs!')
print('Distance: %dkm'%lightningDistKm)
lightningEnergyVal = sensor.getStrikeEnergyRaw()
print('Intensity: %d '%lightningEnergyVal)
elif intSrc == 2:
print('Disturber discovered!')
elif intSrc == 3:
print('Noise level too high!')
else:
pass
#Set to input mode
GPIO.setup(IRQ_PIN, GPIO.IN)
#Set the interrupt pin, the interrupt function, rising along the trigger
GPIO.add_event_detect(IRQ_PIN, GPIO.RISING, callback = callback_handle)
print("start lightning detect.")
while True:
time.sleep(1.0)

48
examples/DFRobot_AS3935_lightning_sensor_detailed/DFRobot_AS3935_lightning_sensor_detailed.ino → examples/DFRobotAS3935LightningSensorDetailed/DFRobotAS3935LightningSensorDetailed.ino
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@ -1,22 +1,21 @@
/*!
file DFRobot_AS3935_lightning_sensor.ino
SEN0290 Lightning Sensor
This sensor can detect lightning and display the distance and intensity of the lightning within 40 km
It can be set as indoor or outdoor mode.
The module has three I2C, these addresses are:
AS3935_ADD1 0x01 A0 = 1 A1 = 0
AS3935_ADD2 0x02 A0 = 0 A1 = 1
AS3935_ADD3 0x03 A0 = 1 A1 = 1
Copyright [DFRobot](http://www.dfrobot.com), 2018
Copyright GNU Lesser General Public License
version V1.1
date 2021-08-24
* @file DFRobot_AS3935_lightning_sensor_detailed.ino
* @brief SEN0290 Lightning Sensor
* @n This sensor can detect lightning and display the distance and intensity of the lightning within 40 km
* @n It can be set as indoor or outdoor mode.
* @n The module has three I2C, these addresses are:
* @n AS3935_ADD1 0x01 A0 = 1 A1 = 0
* @n AS3935_ADD2 0x02 A0 = 0 A1 = 1
* @n AS3935_ADD3 0x03 A0 = 1 A1 = 1
* @copyright Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
* @license The MIT License (MIT)
* @author [TangJie](jie.tang@dfrobot.com)
* @version V1.0.2
* @date 2019-09-28
* @url https://github.com/DFRobor/DFRobot_AS3935
*/
#include "DFRobot_AS3935_I2C.h"
volatile int8_t AS3935IsrTrig = 0;
@ -28,8 +27,6 @@ volatile int8_t AS3935IsrTrig = 0;
#define IRQ_PIN 2
#endif
// Antenna tuning capcitance (must be integer multiple of 8, 8 - 120 pf)
#define AS3935_CAPACITANCE 96
@ -48,8 +45,7 @@ void setup()
lightning0.setI2CAddress(AS3935_ADD3);
while (lightning0.begin() != 0)
{
while (lightning0.begin() != 0){
Serial.print(".");
}
lightning0.defInit();
@ -109,8 +105,7 @@ void loop()
// Get interrupt source
uint8_t intSrc = lightning0.getInterruptSrc();
if (intSrc == 1)
{
if (intSrc == 1){
// Get rid of non-distance data
uint8_t lightningDistKm = lightning0.getLightningDistKm();
Serial.println("Lightning occurs!");
@ -123,16 +118,11 @@ void loop()
Serial.print("Intensity: ");
Serial.print(lightningEnergyVal);
Serial.println("");
}
else if (intSrc == 2)
{
}else if (intSrc == 2){
Serial.println("Disturber discovered!");
}
else if (intSrc == 3)
{
}else if (intSrc == 3){
Serial.println("Noise level too high!");
}
//View register data
//lightning0.printAllRegs();
}

45
examples/DFRobot_AS3935_lightning_sensor_ordinary/DFRobot_AS3935_lightning_sensor_ordinary.ino → examples/DFRobotAS3935LightningSensorOrdinary/DFRobotAS3935LightningSensorOrdinary.ino
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@ -1,19 +1,18 @@
/*!
file DFRobot_AS3935_lightning_sensor.ino
SEN0290 Lightning Sensor
This sensor can detect lightning and display the distance and intensity of the lightning within 40 km
It can be set as indoor or outdoor mode.
The module has three I2C, these addresses are:
AS3935_ADD1 0x01 A0 = 1 A1 = 0
AS3935_ADD2 0x02 A0 = 0 A1 = 1
AS3935_ADD3 0x03 A0 = 1 A1 = 1
Copyright [DFRobot](http://www.dfrobot.com), 2018
Copyright GNU Lesser General Public License
version V1.1
date 2021-08-24
* @file DFRobot_AS3935_lightning_sensor_ordinary.ino
* @brief SEN0290 Lightning Sensor
* @n This sensor can detect lightning and display the distance and intensity of the lightning within 40 km
* @n It can be set as indoor or outdoor mode.
* @n The module has three I2C, these addresses are:
* @n AS3935_ADD1 0x01 A0 = 1 A1 = 0
* @n AS3935_ADD2 0x02 A0 = 0 A1 = 1
* @n AS3935_ADD3 0x03 A0 = 1 A1 = 1
* @copyright Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
* @license The MIT License (MIT)
* @author [TangJie](jie.tang@dfrobot.com)
* @version V1.0.2
* @date 2019-09-28
* @url https://github.com/DFRobor/DFRobot_AS3935
*/
#include "DFRobot_AS3935_I2C.h"
@ -52,8 +51,7 @@ void setup()
Serial.begin(115200);
Serial.println("DFRobot AS3935 lightning sensor begin!");
while (lightning0.begin() != 0)
{
while (lightning0.begin() != 0){
Serial.print(".");
}
lightning0.defInit();
@ -88,8 +86,7 @@ void loop()
// Get interrupt source
uint8_t intSrc = lightning0.getInterruptSrc();
if (intSrc == 1)
{
if (intSrc == 1){
// Get rid of non-distance data
uint8_t lightningDistKm = lightning0.getLightningDistKm();
Serial.println("Lightning occurs!");
@ -102,18 +99,12 @@ void loop()
Serial.print("Intensity: ");
Serial.print(lightningEnergyVal);
Serial.println("");
}
else if (intSrc == 2)
{
}else if (intSrc == 2){
Serial.println("Disturber discovered!");
}
else if (intSrc == 3)
{
}else if (intSrc == 3){
Serial.println("Noise level too high!");
}
}
//IRQ handler for AS3935 interrupts
void AS3935_ISR()
{

9
library.properties
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@ -0,0 +1,9 @@
name=DFRobot_AS3935
version=1.0.2
author=DFRobot
maintainer=TangJie <jie.tang@dfrobot.com>
sentence=DFRobot Lightning Sensor library.(SKU:SEN0290)
paragraph=DFRobot_AS3935 is the lightning sensor library of DFRobot.
category=Sensors
url=https://github.com/DFRobot/DFRobot_AS3935
architectures=*

319
python/raspberrypi/DFRobot_AS3935_Lib.py
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'''!
@file DFRobot_AS3935_Lib.py
@brief Define the DFRobot_AS3935 class infrastructure, the implementation of the base method
@copyright Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
@license The MIT License (MIT)
@author TangJie(jie.tamg@dfrobot.com)
@version V1.0.2
@date 2021-9-28
@url https://github.com/DFRobot/DFRobot_AS3935
'''
import time
import smbus
class DFRobot_AS3935:
def __init__(self, address, bus = 1):
self.address = address
self.i2cbus = smbus.SMBus(bus)
def write_byte(self, register, value):
try:
self.i2cbus.write_byte_data(self.address, register, value)
return 1
except:
return 0
def read_data(self, register):
self.register = self.i2cbus.read_i2c_block_data(self.address, register)
'''!
@brief Configure sensor
@param capacitance Antenna tuning capcitance (must be integer multiple of 8, 8 - 120 pf)
@param location Indoor/outdoor mode selection
@param disturber Enable/disable disturber detection
'''
def manual_cal(self, capacitance, location, disturber):
self.powerUp()
if location == 1:
self.setIndoors()
else:
self.setOutdoors()
if disturber == 0:
self.disturberDis()
else:
self.disturberEn()
self.setIrqOutputSource(0)
time.sleep(0.5)
self.setTuningCaps(capacitance)
def set_tuning_caps(self, capVal):
#Assume only numbers divisible by 8 (because that's all the chip supports)
if capVal > 120: #cap_value out of range, assume highest capacitance
self.singRegWrite(0x08, 0x0F, 0x0F) #set capacitance bits to maximum
else:
self.singRegWrite(0x08, 0x0F, capVal >> 3) #set capacitance bits
self.singRegRead(0x08)
#print('capacitance set to 8x%d'%(self.register[0] & 0x0F))
def power_up(self):
#register 0x00, PWD bit: 0 (clears PWD)
self.singRegWrite(0x00, 0x01, 0x00)
self.calRCO() #run RCO cal cmd
self.singRegWrite(0x08, 0x20, 0x20) #set DISP_SRCO to 1
time.sleep(0.002)
self.singRegWrite(0x08, 0x20, 0x00) #set DISP_SRCO to 0
def power_down(self):
#register 0x00, PWD bit: 0 (sets PWD)
self.singRegWrite(0x00, 0x01, 0x01)
def cal_RCO(self):
self.writeByte(0x3D, 0x96)
time.sleep(0.002)
'''!
@brief Disturber detection enabled
'''
def set_indoors(self):
self.singRegWrite(0x00, 0x3E, 0x24)
print("set to indoors model")
'''!
@brief Set to the outdoor model
'''
def set_outdoors(self):
self.singRegWrite(0x00, 0x3E, 0x1C)
print("set to outdoors model")
'''!
@brief Disturber detection disenabled
'''
def disturber_dis(self):
#register 0x03, PWD bit: 5 (sets MASK_DIST)
self.singRegWrite(0x03, 0x20, 0x20)
print("disenable disturber detection")
'''!
@brief Disturber detection enabled
'''
def disturber_en(self):
#register 0x03, PWD bit: 5 (sets MASK_DIST)
self.singRegWrite(0x03, 0x20, 0x00)
print("enable disturber detection")
def sing_reg_write(self, regAdd, dataMask, regData):
#start by reading original register data (only modifying what we need to)
self.singRegRead(regAdd)
#calculate new register data... 'delete' old targeted data, replace with new data
#note: 'dataMask' must be bits targeted for replacement
#add'l note: this function does NOT shift values into the proper place... they need to be there already
newRegData = (self.register[0] & ~dataMask)|(regData & dataMask)
#finally, write the data to the register
self.writeByte(regAdd, newRegData)
#print('wrt: %02x'%newRegData)
self.singRegRead(regAdd)
#print('Act: %02x'%self.register[0])
def sing_reg_read(self,regAdd):
self.readData(regAdd)
'''!
@brief Get mid-range type
@return Return to interrupted state
@retval 0 Unknown src
@retval 1 Lightning detected
@retval 2 Disturber
@retval 3 Noise level too high
'''
def get_interrupt_src(self):
#definition of interrupt data on table 18 of datasheet
#for this function:
#0 = unknown src, 1 = lightning detected, 2 = disturber, 3 = Noise level too high
time.sleep(0.03) #wait 3ms before reading (min 2ms per pg 22 of datasheet)
self.singRegRead(0x03) #read register, get rid of non-interrupt data
intSrc = self.register[0]&0x0F
if intSrc == 0x08:
return 1 #lightning caused interrupt
elif intSrc == 0x04:
return 2 #disturber detected
elif intSrc == 0x01:
return 3 #Noise level too high
else:
return 0 #interrupt result not expected
'''!
@brief Sensor reset
'''
def reset(self):
err = self.writeByte(0x3C, 0x96)
time.sleep(0.002) #wait 2ms to complete
return err
'''!
@brief Sets LCO_FDIV register
@param fdiv Set 0, 1, 2 or 3 for ratios of 16, 32, 64 and 128, respectively
'''
def set_lco_fdiv(self,fdiv):
self.singRegWrite(0x03, 0xC0, (fdiv & 0x03) << 6)
'''!
@brief Set interrupt source
@param irqSelect 0 = NONE, 1 = TRCO, 2 = SRCO, 3 = LCO
'''
def set_irq_output_source(self, irqSelect):
#set interrupt source - what to display on IRQ pin
#reg 0x08, bits 5 (TRCO), 6 (SRCO), 7 (LCO)
#only one should be set at once, I think
#0 = NONE, 1 = TRCO, 2 = SRCO, 3 = LCO
if irqSelect == 1:
self.singRegWrite(0x08, 0xE0, 0x20) #set only TRCO bit
elif irqSelect == 2:
self.singRegWrite(0x08, 0xE0, 0x40) #set only SRCO bit
elif irqSelect == 3:
self.singRegWrite(0x08, 0xE0, 0x80) #set only SRCO bit
else:
self.singRegWrite(0x08, 0xE0, 0x00) #clear IRQ pin display bits
'''！
@brief get lightning distance
@return unit kilometer
'''
def get_lightning_distKm(self):
self.singRegRead(0x07) #read register, get rid of non-distance data
return self.register[0]&0x3F
'''！
@brief get lightning energy intensity
@return lightning energy intensity(0-1000)
'''
def get_strike_energy_raw(self):
self.singRegRead(0x06) #MMSB, shift 8 bits left, make room for MSB
nrgyRaw = (self.register[0]&0x1F) << 8
self.singRegRead(0x05) #read MSB
nrgyRaw |= self.register[0]
nrgyRaw <<= 8 #shift 8 bits left, make room for LSB
self.singRegRead(0x04) #read LSB, add to others
nrgyRaw |= self.register[0]
return nrgyRaw/16777
def set_min_strikes(self, minStrk):
#This function sets min strikes to the closest available number, rounding to the floor,
#where necessary, then returns the physical value that was set. Options are 1, 5, 9 or 16 strikes.
if minStrk < 5:
self.singRegWrite(0x02, 0x30, 0x00)
return 1
elif minStrk < 9:
self.singRegWrite(0x02, 0x30, 0x10)
return 5
elif minStrk < 16:
self.singRegWrite(0x02, 0x30, 0x20)
return 9
else:
self.singRegWrite(0x02, 0x30, 0x30)
return 16
def clear_statistics(self):
#clear is accomplished by toggling CL_STAT bit 'high-low-high' (then set low to move on)
self.singRegWrite(0x02, 0x40, 0x40) #high
self.singRegWrite(0x02, 0x40, 0x00) #low
self.singRegWrite(0x02, 0x40, 0x40) #high
'''！
@brief Get the noise level
@return 0~7
'''
def get_noise_floor_lv1(self):
#NF settings addres 0x01, bits 6:4
#default setting of 010 at startup (datasheet, table 9)
self.singRegRead(0x01) #read register 0x01
return (self.register[0] & 0x70) >> 4 #should return value from 0-7, see table 16 for info
'''！
@brief Set the noise level
@param 0~7,More than 7 will use the default value:2
'''
def set_noise_floor_lv1(self, nfSel):
#NF settings addres 0x01, bits 6:4
#default setting of 010 at startup (datasheet, table 9)
if nfSel <= 7: #nfSel within expected range
self.singRegWrite(0x01, 0x70, (nfSel & 0x07) << 4)
else: #out of range, set to default (power-up value 010)
self.singRegWrite(0x01, 0x70, 0x20)
'''！
@brief read WDTH
@return Return interference level
'''
def get_watchdog_threshold(self):
#This function is used to read WDTH. It is used to increase robustness to disturbers,
#though will make detection less efficient (see page 19, Fig 20 of datasheet)
#WDTH register: add 0x01, bits 3:0
#default value of 0010
#values should only be between 0x00 and 0x0F (0 and 7)
self.singRegRead(0x01)
return self.register[0] & 0x0F
'''！
@brief Set an anti-interference rating
@param 0~7,More than 7 will use the default value:2
'''
def set_watchdog_threshold(self, wdth):
#This function is used to modify WDTH. It is used to increase robustness to disturbers,
#though will make detection less efficient (see page 19, Fig 20 of datasheet)
#WDTH register: add 0x01, bits 3:0
#default value of 0010
#values should only be between 0x00 and 0x0F (0 and 7)
self.singRegWrite(0x01, 0x0F, wdth & 0x0F)
'''！
@brief read SREJ (spike rejection)
@return Return SREJ value
'''
def get_spike_rejection(self):
#This function is used to read SREJ (spike rejection). Similar to the Watchdog threshold,
#it is used to make the system more robust to disturbers, though will make general detection
#less efficient (see page 20-21, especially Fig 21 of datasheet)
#SREJ register: add 0x02, bits 3:0
#default value of 0010
#values should only be between 0x00 and 0x0F (0 and 7)
self.singRegRead(0x02)
return self.register[0] & 0x0F
'''！
@brief Modify SREJ (spike rejection)
@param 0~7,More than 7 will use the default value:2
'''
def set_spike_rejection(self, srej):
#This function is used to modify SREJ (spike rejection). Similar to the Watchdog threshold,
#it is used to make the system more robust to disturbers, though will make general detection
#less efficient (see page 20-21, especially Fig 21 of datasheet)
#WDTH register: add 0x02, bits 3:0
#default value of 0010
#values should only be between 0x00 and 0x0F (0 and 7)
self.singRegWrite(0x02, 0x0F, srej & 0x0F)
def print_all_regs(self):
self.singRegRead(0x00)
print("Reg 0x00: %02x"%self.register[0])
self.singRegRead(0x01)
print("Reg 0x01: %02x"%self.register[0])
self.singRegRead(0x02)
print("Reg 0x02: %02x"%self.register[0])
self.singRegRead(0x03)
print("Reg 0x03: %02x"%self.register[0])
self.singRegRead(0x04)
print("Reg 0x04: %02x"%self.register[0])
self.singRegRead(0x05)
print("Reg 0x05: %02x"%self.register[0])
self.singRegRead(0x06)
print("Reg 0x06: %02x"%self.register[0])
self.singRegRead(0x07)
print("Reg 0x07: %02x"%self.register[0])
self.singRegRead(0x08)
print("Reg 0x08: %02x"%self.register[0])

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# DFRobot_AS3935
* [中文版](./README_CN.md)
AS3935 Lightning Sensor can detect lightning and display the distance and intensity of the lightning without the disturbance of electric arc and noise.
It can be set as indoor or outdoor mode.
![Product Image](./resources/images/SEN0290.png)
## 产品链接（https://www.dfrobot.com/product-1828.html）
SKU：SEN0290
## Table of Contents
* [Summary](#summary)
* [Installation](#Installation)
* [Methods](#Methods)
* [Compatibility](#compatibility)
* [History](#history)
* [Credits](#credits)
## Summary
Input commands and read data from AS3935 modules
1. Lightning sensor warns of lightning storm activity within a radius of 40km
2. Distance estimation to the head of the storm from overhead to 40km in 15 steps
3. Detects both cloud-to-ground and intra-cloud(cloud-to-cloud) flashes
4. Embedded man-made disturber rejection algorithm
5. Programmable detection levels enable threshold setting for optimal controls
6. Three i2c interfaces, switch freely to avoid site conflicts
## Installation
To use the library, first download it to Raspberry Pi, then open the routines folder.To execute a routine demox.py, type Python demox.py on the command line.For example, to execute the control_LEd.py routine, you need to enter:
```python
python DFRobot_AS3935_detailed.py
```
## Methods
```python
'''
@brief Sensor reset
'''
def reset(self);
'''
@brief Configure sensor
@param capacitance Antenna tuning capcitance (must be integer multiple of 8, 8 - 120 pf)
@param location Indoor/outdoor mode selection
@param disturber Enable/disable disturber detection
'''
def manual_cal(self, capacitance, location, disturber);
'''
@brief Get mid-range type
@return Return to interrupted state
@retval 0 Unknown src
@retval 1 Lightning detected
@retval 2 Disturber
@retval 3 Noise level too high
'''
def get_interrupt_src(self);
'''
@brief get lightning distance
@return unit kilometer
'''
def get_lightning_distKm(self);
'''
@brief get lightning energy intensity
@return lightning energy intensity(0-1000)
'''
def get_strike_energy_raw(self);
'''
@brief Sets LCO_FDIV register
@param fdiv Set 0, 1, 2 or 3 for ratios of 16, 32, 64 and 128, respectively
'''
def set_lco_fdiv(self,fdiv);
'''
@brief Set interrupt source
@param irqSelect 0 = NONE, 1 = TRCO, 2 = SRCO, 3 = LCO
'''
def set_irq_output_source(self, irqSelect);
'''
@brief Set to the outdoor model
'''
def set_outdoors(self);
'''
@brief Set to the indoor model
'''
def set_indoors(self);
'''
@brief Disturber detection enabled
'''
def disturber_en(self);
'''
@brief Disturber detection disenabled
'''
def disturber_dis(self);
'''
@brief Set the noise level
@param 0~7,More than 7 will use the default value:2
'''
def set_noise_floor_lv1(self, nfSel);
'''
@brief Get the noise level
@return 0~7
'''
def get_noise_floor_lv1(self);
'''
@brief Set an anti-interference rating
@param 0~7,More than 7 will use the default value:2
'''
def set_watchdog_threshold(self, wdth);
'''
@brief read WDTH
@return 0~7
'''
def get_watchdog_threshold(self);
'''
@brief Modify SREJ (spike rejection)
@param 0~7,More than 7 will use the default value:2
'''
def set_spike_rejection(self, srej);
'''
@brief read SREJ (spike rejection)
@return 0~7
'''
def get_spike_rejection(self);
```
## Compatibility
* RaspberryPi Version
| Board | Work Well | Work Wrong | Untested | Remarks |
| ------------ | :-------: | :--------: | :------: | ------- |
| RaspberryPi2 | | | √ | |
| RaspberryPi3 | | | √ | |
| RaspberryPi4 | √ | | | |
* Python Version
| Python | Work Well | Work Wrong | Untested | Remarks |
| ------- | :-------: | :--------: | :------: | ------- |
| Python2 | √ | | | |
| Python3 | √ | | | |
## History
- 2021/09/30 - Version 1.0.2 released.
- 2021/08/24 - Version 1.0.1 released.
- 2019/09/28 - Version 1.0.0 released.
## Credits
Written by TangJie(jie.Tang@dfrobot.com), 2019. (Welcome to our [website](https://www.dfrobot.com/))

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# DFRobot_AS3935
* [English Version](./README.md)
AS3935雷电传感器可以检测雷电，显示雷电的距离和强度，不受电弧和噪声的干扰
可设置为室内或室外模式
![Product Image](./resources/images/SEN0290.png)
## 产品链接（https://www.dfrobot.com.cn/goods-1889.html）
SKU：SEN0290
## 目录
* [概述](#概述)
* [库安装](#库安装)
* [方法](#方法)
* [兼容性](#兼容性)
* [历史](#历史)
* [创作者](#创作者)
## 概述
从AS3935模块中输入命令和读取数据
1. 闪电传感器对半径40公里以内的雷暴活动发出警报
2. 从头顶到风暴顶部的距离估计为40公里，每15步
3. 检测云对地和云内(云对云)闪烁
4. 嵌入人工干扰抑制算法
5. 可编程检测水平使阈值设置为最佳控制
6. 三个i2c接口，自由切换避免站点冲突
## 库安装
要使用这个库，首先将库下载到Raspberry Pi，然后打开例程文件夹。要执行一个例程demox.py，请在命令行中输入python demox.py。例如，要执行control_led.py例程，你需要输入:
```python
python DFRobot_AS3935_detailed.py
```
## 方法
```python
'''
@brief 传感器重启
'''
def reset(self);
'''
@brief 配置传感器
@param capacitance 天线调谐电容(必须是8,8 - 120pf的整数倍)
@param location 室内或室外模式选择
@param disturber 启用/禁用干扰发射机检测
'''
def manual_cal(self, capacitance, location, disturber);
'''
@brief Get mid-range type
@return 返回中断状态
@retval 0 Unknown src
@retval 1 Lightning detected
@retval 2 Disturber
@retval 3 Noise level too high
'''
def get_interrupt_src(self);
'''
@brief 获取闪电距离
@return 闪电距离(单位公里）
'''
def get_lightning_distKm(self);
'''
@brief 获取闪电能力强度
@return 闪电能力强度(0-1000)
'''
def get_strike_energy_raw(self);
'''
@brief 设置 LCO_FDIV 寄存器
@param fdiv 设置0, 1, 2或3的比率分别为16,32,64和128
'''
def set_lco_fdiv(self,fdiv);
'''
@brief 设置中断源
@param irqSelect 0 = NONE, 1 = TRCO, 2 = SRCO, 3 = LCO
'''
def set_irq_output_source(self, irqSelect);
'''
@brief 设置为室外模式
'''
def set_outdoors(self);
'''
@brief 设置为室内模式
'''
def set_indoors(self);
'''
@brief 中断检测使能
'''
def disturber_en(self);
'''
@brief 中断检测失能
'''
def disturber_dis(self);
'''
@brief 设置噪音等级
@param 0~7,大于7将使用默认值:2
'''
def set_noise_floor_lv1(self, nfSel);
'''
@brief 获取噪音等级
@return 0~7
'''
def get_noise_floor_lv1(self);
'''
@brief 设置抗干扰等级
@param 0~7,大于7将使用默认值:2
'''
def set_watchdog_threshold(self, wdth);
'''
@brief 获取抗干扰等级
@return 0~7
'''
def get_watchdog_threshold(self);
'''
@brief 修改 SREJ (毛刺抑制)
@param 0~7,大于7将使用默认值:2
'''
def set_spike_rejection(self, srej);
'''
@brief r获取ead SREJ (毛刺抑制)
@return 0~7
'''
def get_spike_rejection(self);
```
## 兼容性
* 树莓派版本
| Board | 通过 | 未通过 | 未测试 | 备注 |
| ------------ | :-------: | :--------: | :------: | ------- |
| RaspberryPi2 | | | √ | |
| RaspberryPi3 | | | √ | |
| RaspberryPi4 | √ | | | |
* Python 版本
| Python | 通过 | 未通过 | 未测试 | 备注 |
| ------- | :-------: | :--------: | :------: | ------- |
| Python2 | √ | | | |
| Python3 | √ | | | |
## 历史
- 2021/09/30 - 1.0.2 版本
- 2021/08/24 - 1.0.1 版本
- 2019/09/28 - 1.0.0 版本
## 创作者
Written by TangJie(jie.Tang@dfrobot.com), 2019. (Welcome to our [website](https://www.dfrobot.com/))

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'''
# @file DFRobot_AS3935_detailed.py
# @brief SEN0290 Lightning Sensor
# @n This sensor can detect lightning and display the distance and intensity of the lightning within 40 km
# @n It can be set as indoor or outdoor mode.
# @n The module has three I2C, these addresses are:
# @n AS3935_ADD1 0x01 A0 = 1 A1 = 0
# @n AS3935_ADD2 0x02 A0 = 0 A1 = 1
# @n AS3935_ADD3 0x03 A0 = 1 A1 = 1
# @copyright Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
# @licence The MIT License (MIT)
# @author [TangJie](jie.tang@dfrobot.com)
# @version V1.0.2
# @date 2019-09-28
# @url https://github.com/DFRobor/DFRobot_AS3935
'''
import sys
sys.path.append('../')
import time
from DFRobot_AS3935_Lib import DFRobot_AS3935
import RPi.GPIO as GPIO
from datetime import datetime
#I2C address
AS3935_I2C_ADDR1 = 0X01
AS3935_I2C_ADDR2 = 0X02
AS3935_I2C_ADDR3 = 0X03
#Antenna tuning capcitance (must be integer multiple of 8, 8 - 120 pf)
AS3935_CAPACITANCE = 96
IRQ_PIN = 7
GPIO.setmode(GPIO.BOARD)
sensor = DFRobot_AS3935(AS3935_I2C_ADDR3, bus = 1)
if (sensor.reset()):
print("init sensor sucess.")
else:
print("init sensor fail")
while True:
pass
#Configure sensor
sensor.power_up()
#set indoors or outdoors models
sensor.set_indoors()
#sensor.set_outdoors()
#disturber detection
sensor.disturber_en()
#sensor.disturber_dis()
sensor.set_irq_output_source(0)
time.sleep(0.5)
#set capacitance
sensor.set_tuning_caps(AS3935_CAPACITANCE)
# Connect the IRQ and GND pin to the oscilloscope.
# uncomment the following sentences to fine tune the antenna for better performance.
# This will dispaly the antenna's resonance frequency/16 on IRQ pin (The resonance frequency will be divided by 16 on this pin)
# Tuning AS3935_CAPACITANCE to make the frequency within 500/16 kHz plus 3.5% to 500/16 kHz minus 3.5%
#
# sensor.setLco_fdiv(0)
# sensor.setIrq_output_source(3)
#Set the noise level,use a default value greater than 7
sensor.set_noise_floor_lv1(2)
#noiseLv = sensor.get_noise_floor_lv1()
#used to modify WDTH,alues should only be between 0x00 and 0x0F (0 and 7)
sensor.set_watchdog_threshold(2)
#wtdgThreshold = sensor.get_watchdog_threshold()
#used to modify SREJ (spike rejection),values should only be between 0x00 and 0x0F (0 and 7)
sensor.set_spike_rejection(2)
#spikeRejection = sensor.get_spike_rejection()
#view all register data
#sensor.print_all_regs()
def callback_handle(channel):
global sensor
time.sleep(0.005)
intSrc = sensor.get_interrupt_src()
if intSrc == 1:
lightning_distKm = sensor.get_lightning_distKm()
print('Lightning occurs!')
print('Distance: %dkm'%lightning_distKm)
lightning_energy_val = sensor.get_strike_energy_raw()
print('Intensity: %d '%lightning_energy_val)
elif intSrc == 2:
print('Disturber discovered!')
elif intSrc == 3:
print('Noise level too high!')
else:
pass
#Set to input mode
GPIO.setup(IRQ_PIN, GPIO.IN)
#Set the interrupt pin, the interrupt function, rising along the trigger
GPIO.add_event_detect(IRQ_PIN, GPIO.RISING, callback = callback_handle)
print("start lightning detect.")
while True:
time.sleep(1.0)

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'''
# @file DFRobot_AS3935_ordinary.py
# @brief SEN0290 Lightning Sensor
# @n This sensor can detect lightning and display the distance and intensity of the lightning within 40 km
# @n It can be set as indoor or outdoor mode.
# @n The module has three I2C, these addresses are:
# @n AS3935_ADD1 0x01 A0 = 1 A1 = 0
# @n AS3935_ADD2 0x02 A0 = 0 A1 = 1
# @n AS3935_ADD3 0x03 A0 = 1 A1 = 1
# @copyright Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
# @licence The MIT License (MIT)
# @author [TangJie](jie.tang@dfrobot.com)
# @version V1.0.2
# @date 2019-09-28
# @url https://github.com/DFRobor/DFRobot_AS3935
'''
import sys
sys.path.append('../')
import time
from DFRobot_AS3935_Lib import DFRobot_AS3935
import RPi.GPIO as GPIO
from datetime import datetime
#I2C address
AS3935_I2C_ADDR1 = 0X01
AS3935_I2C_ADDR2 = 0X02
AS3935_I2C_ADDR3 = 0X03
#Antenna tuning capcitance (must be integer multiple of 8, 8 - 120 pf)
AS3935_CAPACITANCE = 96
IRQ_PIN = 7
#Indoor/outdoor mode selection
AS3935_INDOORS = 0
AS3935_OUTDOORS = 1
AS3935_MODE = AS3935_INDOORS
#Enable/disable disturber detection
AS3935_DIST_DIS = 0
AS3935_DIST_EN = 1
AS3935_DIST = AS3935_DIST_EN
GPIO.setmode(GPIO.BOARD)
sensor = DFRobot_AS3935(AS3935_I2C_ADDR3, bus = 1)
if (sensor.reset()):
print("init sensor sucess.")
else:
print("init sensor fail")
while True:
pass
#Configure sensor
sensor.manual_cal(AS3935_CAPACITANCE, AS3935_MODE, AS3935_DIST)
# Connect the IRQ and GND pin to the oscilloscope.
# uncomment the following sentences to fine tune the antenna for better performance.
# This will dispaly the antenna's resonance frequency/16 on IRQ pin (The resonance frequency will be divided by 16 on this pin)
# Tuning AS3935_CAPACITANCE to make the frequency within 500/16 kHz plus 3.5% to 500/16 kHz minus 3.5%
#
# sensor.setLco_fdiv(0)
# sensor.set_irq_output_source(3)
#view all register data
#sensor.print_all_regs()
def callback_handle(channel):
global sensor
time.sleep(0.005)
intSrc = sensor.get_interrupt_src()
if intSrc == 1:
lightning_distKm = sensor.get_lightning_distKm()
print('Lightning occurs!')
print('Distance: %dkm'%lightning_distKm)
lightning_energy_val = sensor.get_strike_energy_raw()
print('Intensity: %d '%lightning_energy_val)
elif intSrc == 2:
print('Disturber discovered!')
elif intSrc == 3:
print('Noise level too high!')
else:
pass
#Set to input mode
GPIO.setup(IRQ_PIN, GPIO.IN)
#Set the interrupt pin, the interrupt function, rising along the trigger
GPIO.add_event_detect(IRQ_PIN, GPIO.RISING, callback = callback_handle)
print("start lightning detect.")
while True:
time.sleep(1.0)

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# AS3935
# DFRobot_AS3935
AS3935 Lightning Sensor can detect lightning and display the distance and intensity of the lightning without the disturbance of electric arc and noise.<br>
It can be set as indoor or outdoor mode.<br>
* [中文版](./README_CN.md)
## DFRobot_AS3934 Library for Arduino
---------------------------------------------------------
Provide a library faciltates operations in the as3935 modules.
AS3935 Lightning Sensor can detect lightning and display the distance and intensity of the lightning without the disturbance of electric arc and noise.
It can be set as indoor or outdoor mode.
![Product Image](./resources/images/SEN0290.png)
## product link （https://www.dfrobot.com/product-1828.html）
SKU：SEN0290
## Table of Contents
* [Summary](#summary)
* [Feature](#feature)
* [Installation](#installation)
* [Methods](#methods)
* [Installation](#Installation)
* [Methods](#Methods)
* [Compatibility](#compatibility)
* [History](#history)
* [Credits](#credits)
<snippet>
<content>
## Summary
Input commands and read data from AS3935 modules
## Feature
1. Lightning sensor warns of lightning storm activity within a radius of 40km <br>
2. Distance estimation to the head of the storm from overhead to 40km in 15 steps <br>
3. Detects both cloud-to-ground and intra-cloud(cloud-to-cloud) flashes <br>
4. Embedded man-made disturber rejection algorithm <br>
5. Programmable detection levels enable threshold setting for optimal controls <br>
6. Three i2c interfaces, switch freely to avoid site conflicts <br>
1. Lightning sensor warns of lightning storm activity within a radius of 40km
2. Distance estimation to the head of the storm from overhead to 40km in 15 steps
3. Detects both cloud-to-ground and intra-cloud(cloud-to-cloud) flashes
4. Embedded man-made disturber rejection algorithm
5. Programmable detection levels enable threshold setting for optimal controls
6. Three i2c interfaces, switch freely to avoid site conflicts
## Installation
Download the library ZIP file and unzip it to the Arduino folder of the library.<br>
To use this library, first download the library file, paste it into the \Arduino\libraries directory, then open the examples folder and run the demo in the folder.
## Methods
```C++
/**
* @fn begin
* @brief I2C init
* @return uint8_t type, indicates the initialization status
* @retval 0 succeed
* @retval 1 failure
*/
uint8_t begin(void);
#include "DFRobot_AS3935_I2C.h"
/*
* @brief AS3935 object
*
* @param irqx irq pin
* devAddx i2c address
/**
* @fn setI2CAddress
* @brief set i2c address
* @param devAddx i2c address
* @return None
*/
DFRobot_AS3935_I2C(uint8_t irqx, uint8_t devAddx);
void setI2CAddress(uint8_t devAddx);
/*
* @brief AS3935 object
*
* @param irqx irq pin
/**
* @fn manualCal
* @brief manual calibration
* @param capacitance capacitance
* @param location location
* @param disturber disturber
* @return None
*/
DFRobot_AS3935_I2C(uint8_t irqx);
void manualCal(uint8_t capacitance, uint8_t location, uint8_t disturber);
/*
/**
* @fn defInit
* @brief reset registers to default
*
* @return 0 success
* @return int type,represents rest state
* @retval 0 success
*/
int defInit(void);
/*
* @brief set i2c address
*
* @param devAddx i2c address
/**
* @fn disturberEn
* @brief Disturber detection enabled
* @return None
*/
void setI2CAddress(uint8_t devAddx);
void disturberEn(void);
/*
* @brief manual calibration
*
* @param capacitance capacitance
* location location
* disturber disturber
/**
* @fn disturberDis
* @brief Disturber detection disenabled
* @return None
*/
void manualCal(uint8_t capacitance, uint8_t location, uint8_t disturber);
void disturberDis(void);
/*
* @brief view register data
/**
* @fn setIRQOutputSource
* @brief Set interrupt source
* @param irqSelect 0 = NONE, 1 = TRCO, 2 = SRCO, 3 = LCO
* @return None
*/
void printAllRegs(void);
void setIRQOutputSource(uint8_t irqSelect);
/*
/**
* @fn setTuningCaps
* @brief set capacitance
* @param capVal size
* @return None
*/
void setTuningCaps(uint8_t capVal);
/**
* @fn getInterruptSrc
* @brief get interrupt source
*
* @return 0 interrupt result not expected
* 1 lightning caused interrupt
* 2 disturber detected
* 3 Noise level too high
* @return uint8_t type，returns the interrupt source type
* @retval 0 interrupt result not expected
* @retval 1 lightning caused interrupt
* @retval 2 disturber detected
* @retval 3 Noise level too high
*/
uint8_t getInterruptSrc(void);
/*
/**
* @fn getLightningDistKm
* @brief get lightning distance
*
* @return unit kilometer
*/
uint8_t getLightningDistKm(void);
/*
/**
* @fn getStrikeEnergyRaw
* @brief get lightning energy intensity
*
* @return lightning energy intensity(0-1000)
*/
uint32_t getStrikeEnergyRaw(void);
/*
* @brief Set to the outdoor model
*/
void setOutdoors(void);
/*
/**
* @fn setIndoors
* @brief Set to the indoor model
* @return None
*/
void setIndoors(void);
/*
* @brief Disturber detection enabled
*/
void disturberEn(void);
/*
* @brief Disturber detection disenabled
*/
void disturberDis(void);
/*
* @brief Sets LCO_FDIV register
*
* @param fdiv Set 0, 1, 2 or 3 for ratios of 16, 32, 64 and 128, respectively
/**
* @fn setOutdoors
* @brief Set to the outdoor model
* @return None
*/
void setLcoFdiv(uint8_t fdiv);
void setOutdoors(void);
/*
* @brief Set interrupt source
*
* @param irqSelect 0 = NONE, 1 = TRCO, 2 = SRCO, 3 = LCO
/**
* @fn setOutdoors
* @brief Get the noise level
* @return Return noise level
*/
void setIRQOutputSource(uint8_t irqSelect);
uint8_t getNoiseFloorLvl(void);
/*
/**
* @fn setNoiseFloorLvl
* @brief Set the noise level
*
* @param 0~7,More than 7 will use the default value:2
* @return None
*/
void setNoiseFloorLvl(uint8_t nfSel);
/*
* @brief Get the noise level
*
* @return 0~7
/**
* @fn getWatchdogThreshold
* @brief read WDTH
* @return Return interference level
*/
uint8_t getNoiseFloorLvl(void);
uint8_t getWatchdogThreshold(void);
/*
/**
* @fn setWatchdogThreshold
* @brief Set an anti-interference rating
*
* @param 0~7,More than 7 will use the default value:2
* @return None
*/
void setWatchdogThreshold(uint8_t wdth);
/*
* @brief read WDTH
*
* @return 0~7
/**
* @fn getSpikeRejection
* @brief read SREJ (spike rejection)
* @return Return SREJ value
*/
uint8_t getWatchdogThreshold(void);
uint8_t getSpikeRejection(void);
/*
/**
* @fn setSpikeRejection
* @brief Modify SREJ (spike rejection)
*
* @param 0~7,More than 7 will use the default value:2
* @return None
*/
void setSpikeRejection(uint8_t srej);
/*
* @brief read SREJ (spike rejection)
*
* @return 0~7
/**
* @fn setLcoFdiv
* @brief Sets LCO_FDIV register
* @param fdiv Set 0, 1, 2 or 3 for ratios of 16, 32, 64 and 128, respectively
* @return None
*/
uint8_t getSpikeRejection(void);
```
void setLcoFdiv(uint8_t fdiv);
/**
* @fn printAllRegs
* @brief view register data
* @return None
*/
void printAllRegs(void);
/**
* @fn powerUp
* @brief Configure sensor
* @return None
*/
void powerUp(void);
```
## Compatibility
MCU | Work Well | Work Wrong | Untested | Remarks
------------------ | :----------: | :----------: | :---------: | -----
Arduino uno | √ | | |
esp8266 | √ | | |
MCU | Work Well | Work Wrong | Untested | Remarks |
------------------ | :----------: | :----------: | :---------: | :-----: |
Arduino uno | √ | | | |
esp8266 | √ | | | |
## History
- 2021/09/30 - Version 1.0.2 released.
- 2021/08/24 - Version 1.0.1 released.
- 2019/09/28 - Version 1.0.0 released.
## Credits
Written by DFRobot_JH, 2018. (Welcome to our [website](https://www.dfrobot.com/))
Written by TangJie(jie.Tang@dfrobot.com), 2019. (Welcome to our [website](https://www.dfrobot.com/))

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