Diff: driver_mbed_HP20x.h

Revision:

0:2ee0bc82e7b8

diff -r 000000000000 -r 2ee0bc82e7b8 driver_mbed_HP20x.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/driver_mbed_HP20x.h	Wed Mar 29 03:09:38 2017 +0000
@@ -0,0 +1,106 @@
+/*
+ * 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>
+#include "mbed.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)
+
+const int HP20X_I2C_DEV_ID = 0xEC;
+const int HP20X_I2C_DEV_ID2 = 0xEE;
+
+#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 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
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