Diff: BME280_lib.h

Revision:

0:9f2a22c6ced2

Child:

1:0a0ad1327b0f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BME280_lib.h	Thu Jan 24 17:47:44 2019 +0000
@@ -0,0 +1,80 @@
+#ifndef BME280_LIB_H
+#define BME280_LIB_H
+
+#define BME_ADDR_LOW 0x76
+#define BME_ADDR_HIGH 0x77
+
+#define BME_ID 0xD0
+
+#define BME_CTRL_HUM 0xF2
+#define BME_CTRL_MEAS 0xF4
+#define BME_CONFIG 0xF5
+
+#define BME_PRESS 0xF7
+#define BME_TEMP 0xFA
+#define BME_HUM 0xFD
+
+#define BME_COMP1 0x88
+#define BME_COMP2 0xE1
+
+class BME280_lib{
+    public:
+    
+    typedef enum{
+        AD0_LOW = BME_ADDR_LOW,
+        AD0_HIGH = BME_ADDR_HIGH
+    }AD0;
+    
+    typedef enum{
+        SLEEP = 0x00,
+        FORCED = 0x01,
+        NORMAL = 0x03
+    }MODE;
+    
+    BME280_lib(I2C &user_i2c, AD0 ad0);
+    
+    int connectCheck();
+    
+    void configMeasure(MODE mode, int temp_over_sampling, int pres_over_sampling, int hum_over_sampling);
+    void configFilter(int filter);
+    
+    void getData(float *temp, float *pres, float *hum);
+    float getTemp();
+    float getPres();
+    float getHum();
+    
+    float getAlt(float pres_0, float temp_0);
+    float getAlt2(float pres_0, float temp_0);
+    
+    
+    private:
+    char slave;
+    I2C *i2c;
+    
+    void readCOMP();
+    int calcT();
+    unsigned int calcP();
+    unsigned int calcH();
+    
+    char cmd[2];
+    char buff[26];
+    int adc;
+    
+    float pres, temp, hum;
+    
+    unsigned short dig_T1;
+    short dig_T2, dig_T3;
+    unsigned short dig_P1;
+    short dig_P2, dig_P3, dig_P4, dig_P5, dig_P6, dig_P7, dig_P8, dig_P9;
+    unsigned char dig_H1;
+    short dig_H2;
+    unsigned char dig_H3;
+    short dig_H4, dig_H5;
+    char dig_H6;
+    int t_fine;
+    
+    int T_var1, T_var2, T, v_x1;
+    long long P_var1, P_var2, P;
+};
+
+#endif
\ No newline at end of file