driver for TH02

Dependents:   8-0_OneNet_IoT_demo demo_discol072_th02 ER4 ER4SKU ... more

Revision:
0:89151affda00
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/driver_mbed_TH02.h	Wed Mar 29 03:09:54 2017 +0000
@@ -0,0 +1,82 @@
+/*
+ * TH02_dev.h
+ * Driver for DIGITAL I2C HUMIDITY AND TEMPERATURE SENSOR
+ *  
+ * Copyright (c) 2014 seeed technology inc.
+ * Website    : www.seeed.cc
+ * Author     : Oliver Wang
+ * Create Time: April 2014
+ * Change Log :
+ *
+ * The MIT License (MIT)
+ *
+ * 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 _TH02_DEV_H
+#define _TH02_DEV_H
+
+/****************************************************************************/
+/***        Including Files                                               ***/
+/****************************************************************************/
+// #include <Wire.h>
+// #include <Arduino.h>
+ # include "mbed.h"
+
+/****************************************************************************/
+/***        Macro Definitions                                             ***/
+/****************************************************************************/
+// #define TH02_I2C_DEV_ID      0x40
+const int TH02_I2C_DEV_ID =  0x40<<1;
+//Address for mbed
+
+#define REG_STATUS           0x00 
+#define REG_DATA_H           0x01
+#define REG_DATA_L           0x02
+#define REG_CONFIG           0x03
+#define REG_ID               0x11
+
+#define STATUS_RDY_MASK      0x01    //poll RDY,0 indicate the conversion is done
+
+#define CMD_MEASURE_HUMI     0x01    //perform a humility measurement
+#define CMD_MEASURE_TEMP     0x11    //perform a temperature measurement
+
+#define TH02_WR_REG_MODE      0xC0
+#define TH02_RD_REG_MODE      0x80
+/****************************************************************************/
+/***        Class Definition                                              ***/
+/****************************************************************************/
+class TH02_dev
+{
+public:
+	void begin();
+	uint8_t isAvailable();
+	float ReadTemperature(void);
+	float ReadHumidity(void);
+private:
+	void TH02_IIC_WriteCmd(uint8_t u8Cmd);
+	uint8_t TH02_IIC_ReadReg(uint8_t u8Reg);
+	void TH02_IIC_WriteReg(uint8_t u8Reg,uint8_t u8Data);
+	uint16_t TH02_IIC_ReadData(void);
+	uint16_t TH02_IIC_ReadData2byte(void);
+};
+
+extern TH02_dev myTH02;
+
+#endif  // _TH02_DEV_H
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