Adding C Libs

DHT.h

@@ -0,0 +1,49 @@
+#ifndef DHT_H
+#define DHT_H
+#if ARDUINO >= 100
+ #include "Arduino.h"
+#else
+ #include "WProgram.h"
+#endif
+
+// 8 MHz(ish) AVR ---------------------------------------------------------
+#if (F_CPU >= 7400000UL) && (F_CPU <= 9500000UL)
+#define COUNT 3
+// 16 MHz(ish) AVR --------------------------------------------------------
+#elif (F_CPU >= 15400000UL) && (F_CPU <= 19000000L)
+#define COUNT 6
+#else
+#error "CPU SPEED NOT SUPPORTED"
+#endif
+
+/* DHT library
+
+MIT license
+written by Adafruit Industries
+*/
+
+// how many timing transitions we need to keep track of. 2 * number bits + extra
+#define MAXTIMINGS 85
+
+#define DHT11 11
+#define DHT22 22
+#define DHT21 21
+#define AM2301 21
+
+class DHT {
+ private:
+  uint8_t data[6];
+  uint8_t _pin, _type, _count;
+  boolean read(void);
+  unsigned long _lastreadtime;
+  boolean firstreading;
+
+ public:
+  DHT(uint8_t pin, uint8_t type, uint8_t count=COUNT);
+  void begin(void);
+  float readTemperature(bool S=false);
+  float convertCtoF(float);
+  float readHumidity(void);
+
+};
+#endif

HP20x_dev.h

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+/*
+ * File name  : HP20x_dev.h
+ * Description: Driver for I2C PRECISION BAROMETER AND ALTIMETER [HP206C]
+ * Author     : Oliver Wang from Seeed studio
+ * Version    : V0.1
+ * Create Time: 2014/04
+ * Change Log :
+*/
+#ifndef _HP20X_DEV_H
+#define _HP20X_DEV_H
+/****************************************************************************/
+/***        Including Files                                               ***/
+/****************************************************************************/
+#include <Wire.h>
+#include <Arduino.h>
+/****************************************************************************/
+/***        Macro Definitions                                             ***/
+/****************************************************************************/
+typedef unsigned int    uint;
+typedef unsigned char   uchar;
+typedef unsigned long   ulong;
+
+#define HP20X_I2C_DEV_ID       (0xEC)>>1    //CSB PIN is VDD level(address is 0x76)
+#define HP20X_I2C_DEV_ID2      (0XEE)>>1    //CSB PIN is GND level(address is 0x77)
+#define HP20X_SOFT_RST         0x06
+#define HP20X_WR_CONVERT_CMD   0x40
+#define HP20X_CONVERT_OSR4096  0<<2
+#define HP20X_CONVERT_OSR2048  1<<2
+#define HP20X_CONVERT_OSR1024  2<<2
+#define HP20X_CONVERT_OSR512   3<<2
+#define HP20X_CONVERT_OSR256   4<<2
+#define HP20X_CONVERT_OSR128   5<<2
+
+#define HP20X_READ_P           0x30   //read_p command
+#define HP20X_READ_A           0x31   //read_a command
+#define HP20X_READ_T           0x32   //read_t command
+#define HP20X_READ_PT          0x10   //read_pt command
+#define HP20X_READ_AT          0x11   //read_at command
+#define HP20X_READ_CAL		   0X28	  //RE-CAL ANALOG
+
+#define HP20X_WR_REG_MODE      0xC0
+#define HP20X_RD_REG_MODE      0x80
+
+#define ERR_WR_DEVID_NACK       0x01    
+#define ERR_RD_DEVID_NACK       0x02    
+#define ERR_WR_REGADD_NACK      0x04   
+#define ERR_WR_REGCMD_NACK      0x08   
+#define ERR_WR_DATA_NACK        0x10     
+#define ERR_RD_DATA_MISMATCH    0x20 
+
+#define I2C_DID_WR_MASK         0xFE
+#define I2C_DID_RD_MASK         0x01
+
+#define T_WIN_EN                0X01
+#define PA_WIN_EN               0X02
+#define T_TRAV_EN               0X04
+#define PA_TRAV_EN              0X08
+#define PA_RDY_EN               0X20
+#define T_RDY_EN                0X10
+
+#define T_WIN_CFG               0X01
+#define PA_WIN_CFG              0X02
+#define PA_MODE_P               0X00
+#define PA_MODE_A               0X40
+
+#define T_TRAV_CFG              0X04
+
+#define OK_HP20X_DEV            0X80		//HP20x_dev successfully initialized
+#define REG_PARA                0X0F        //Status register
+
+/****************************************************************************/
+/***        Class Definitions                                             ***/
+/****************************************************************************/
+class HP20x_dev : public TwoWire
+{
+  /* Public variables and functions */
+  public:
+    uchar OSR_CFG;
+	uint  OSR_ConvertTime;
+    /* Constructor */
+    HP20x_dev();	
+	void begin();
+	uchar isAvailable();
+
+	/* Read sensor data */
+	ulong ReadTemperature(void);
+	ulong ReadPressure(void);
+	ulong ReadAltitude(void);
+
+  /* Private variables and functions */
+  private:
+    /* Write a command to HP20x */
+	void HP20X_IIC_WriteCmd(uchar uCmd);	
+	/* Read register value */
+	uchar HP20X_IIC_ReadReg(uchar bReg);	
+	void HP20X_IIC_WriteReg(uchar bReg,uchar bData);	 	
+	ulong HP20X_IIC_ReadData(void);
+	ulong HP20X_IIC_ReadData3byte(void);
+};
+extern HP20x_dev HP20x;
+#endif

KalmanFilter.h

@@ -0,0 +1,37 @@
+/*
+ * File name  : kalmanFilter.h
+ * Description:  
+ * Author     : Oliver Wang from Seeed studio
+ * Version    : V0.1
+ * Create Time: 2014/04
+ * Change Log :
+*/
+
+#ifndef _KALMANFILTER_H
+#define _KALMANFILTER_H
+/****************************************************************************/
+/***        Include files                                                 ***/
+/****************************************************************************/
+#include <Arduino.h>
+#include <inttypes.h>
+/****************************************************************************/
+/***        Local variables                                               ***/
+/****************************************************************************/
+
+
+/****************************************************************************/
+/***        Class Definitions                                             ***/
+/****************************************************************************/
+class KalmanFilter
+{
+    public:
+	  KalmanFilter();	 
+	  float Filter(float);
+	private:
+	/* variables */
+	float X_pre, X_post, P_pre, P_post, K_cur; 
+	float Gaussian_Noise_Cov(void);
+
+};
+extern KalmanFilter kalmanFilter;
+#endif

MutichannelGasSensor.h

@@ -0,0 +1,151 @@
+/*
+    MutichannelGasSensor.h
+    2015 Copyright (c) Seeed Technology Inc.  All right reserved.
+
+    Author: Jacky Zhang
+    2015-3-17
+    http://www.seeed.cc/
+    modi by Jack, 2015-8
+    
+    V2 by Loovee
+    2016-11-11
+
+    The MIT License (MIT)
+
+    Copyright (c) 2015 Seeed Technology Inc.
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+    THE SOFTWARE.
+*/
+
+#ifndef __MUTICHANNELGASSENSOR_H__
+#define __MUTICHANNELGASSENSOR_H__
+
+#define DEFAULT_I2C_ADDR    0x04
+
+#define ADDR_IS_SET             0           // if this is the first time to run, if 1126, set 
+#define ADDR_FACTORY_ADC_NH3    2
+#define ADDR_FACTORY_ADC_CO     4
+#define ADDR_FACTORY_ADC_NO2    6
+
+#define ADDR_USER_ADC_HN3       8
+#define ADDR_USER_ADC_CO        10
+#define ADDR_USER_ADC_NO2       12
+#define ADDR_IF_CALI            14          // IF USER HAD CALI
+
+#define ADDR_I2C_ADDRESS        20
+
+#define CH_VALUE_NH3            1
+#define CH_VALUE_CO             2
+#define CH_VALUE_NO2            3
+
+#define CMD_ADC_RES0            1           // NH3
+#define CMD_ADC_RES1            2           // CO
+#define CMD_ADC_RES2            3           // NO2
+#define CMD_ADC_RESALL          4           // ALL CHANNEL
+#define CMD_CHANGE_I2C          5           // CHANGE I2C
+#define CMD_READ_EEPROM         6           // READ EEPROM VALUE, RETURN UNSIGNED INT
+#define CMD_SET_R0_ADC          7           // SET R0 ADC VALUE
+#define CMD_GET_R0_ADC          8           // GET R0 ADC VALUE
+#define CMD_GET_R0_ADC_FACTORY  9           // GET FACTORY R0 ADC VALUE
+#define CMD_CONTROL_LED         10
+#define CMD_CONTROL_PWR         11
+
+enum{CO, NO2, NH3, C3H8, C4H10, CH4, H2, C2H5OH};
+
+class MutichannelGasSensor{
+
+private:
+
+    int __version;
+    unsigned char dta_test[20];
+
+    unsigned int readChAdcValue(int ch);
+    unsigned int adcValueR0_NH3_Buf;
+    unsigned int adcValueR0_CO_Buf;
+    unsigned int adcValueR0_NO2_Buf;
+
+public:
+
+    uint8_t i2cAddress;     //I2C address of this MCU
+    uint16_t res0[3];       //sensors res0
+    uint16_t res[3];        //sensors res
+    bool r0_inited;
+
+
+    inline unsigned int get_addr_dta(unsigned char addr_reg);
+    inline unsigned int get_addr_dta(unsigned char addr_reg, unsigned char __dta);
+    inline void write_i2c(unsigned char addr, unsigned char *dta, unsigned char dta_len);
+
+    void sendI2C(unsigned char dta);
+    int16_t readData(uint8_t cmd);
+    int16_t readR0(void);
+    int16_t readR(void);
+    float calcGas(int gas);
+
+public:
+
+    void begin(int address);
+    void begin();
+    void changeI2cAddr(uint8_t newAddr);
+    void powerOn(void);
+    void powerOff(void);
+    void doCalibrate(void);
+
+    //get gas concentration, unit: ppm
+    float measure_CO(){return calcGas(CO);}
+    float measure_NO2(){return calcGas(NO2);}
+    float measure_NH3(){return calcGas(NH3);}
+    float measure_C3H8(){return calcGas(C3H8);}
+    float measure_C4H10(){return calcGas(C4H10);}
+    float measure_CH4(){return calcGas(CH4);}
+    float measure_H2(){return calcGas(H2);}
+    float measure_C2H5OH(){return calcGas(C2H5OH);}
+
+    float getR0(unsigned char ch);      // 0:CH3, 1:CO, 2:NO2
+    float getRs(unsigned char ch);      // 0:CH3, 1:CO, 2:NO2
+
+public:
+
+    void ledOn()
+    {
+        dta_test[0] = CMD_CONTROL_LED;
+        dta_test[1] = 1;
+        write_i2c(i2cAddress, dta_test, 2);
+    }
+
+    void ledOff()
+    {
+        dta_test[0] = CMD_CONTROL_LED;
+        dta_test[1] = 0;
+        write_i2c(i2cAddress, dta_test, 2);
+    }
+
+    void display_eeprom();
+    void factory_setting();
+    void change_i2c_address(unsigned char addr);
+    unsigned char getVersion();
+};
+
+extern MutichannelGasSensor gas;
+
+#endif
+
+/*********************************************************************************************************
+  END FILE
+*********************************************************************************************************/