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Seeed_LDC1612.h
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Seeed_LDC1612.h
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/*
* Seeed_LDC1612.h
* Driver for Inductive Sensor LDC1612
*
* Copyright (c) 2018 Seeed Technology Co., Ltd.
* Website : www.seeed.cc
* Author : downey
* Create Time: June 2018
* 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 _SEEED_LDC1612_H
#define _SEEED_LDC1612_H
#include <Wire.h>
#include <Arduino.h>
typedef int s32;
typedef long unsigned int u32;
typedef unsigned char u8;
typedef unsigned short u16;
#define DEFAULT_IIC_ADDR 0x2B
/*Register Rddr*/
/***************************************************************************/
#define CONVERTION_RESULT_REG_START 0X00
#define SET_CONVERSION_TIME_REG_START 0X08
#define SET_CONVERSION_OFFSET_REG_START 0X0C
#define SET_LC_STABILIZE_REG_START 0X10
#define SET_FREQ_REG_START 0X14
#define SENSOR_STATUS_REG 0X18
#define ERROR_CONFIG_REG 0X19
#define SENSOR_CONFIG_REG 0X1A
#define MUL_CONFIG_REG 0X1B
#define SENSOR_RESET_REG 0X1C
#define SET_DRIVER_CURRENT_REG 0X1E
#define READ_MANUFACTURER_ID 0X7E
#define READ_DEVICE_ID 0X7F
/******************************************************************************/
/*ERROR bit*/
#define UR_ERR2OUT ((u16)1<<15)
#define OR_ERR2OUT ((u16)1<<14)
#define WD_ERR2OUT ((u16)1<<13)
#define AH_ERR2OUT ((u16)1<<12)
#define AL_ERR2OUT ((u16)1<<11)
#define UR_ERR2INT ((u16)1<<7)
#define OR_ERR2INT ((u16)1<<6)
#define WD_ERR2INT ((u16)1<<5)
#define AH_ERR2INT ((u16)1<<4)
#define AL_ERR2INT ((u16)1<<3)
#define ZC_ERR2INT ((u16)1<<2)
#define DRDY_2INT ((u16)1<<0)
/******************************************************************************/
/*SENSOR CONFIG bit*/
#define ACTIVE_CHANNEL ( ((u16)1<<15) | ((u16)1<<14) )
#define SLEEP_MODE_EN ((u16)1<<13)
#define RP_OVERRIDE_EN ((u16)1<<12)
#define SENSOR_ACTIVATE_SEL ((u16)1<<11)
#define AUTO_AMP_DIS ((u16)1<<10)
#define REF_CLK_SRC ((u16)1<<9)
#define INTB_DIS ((u16)1<<7)
#define HIGH_CURRENT_DRV ((u16)1<<6)
/*!!!!
*The low bit 0~5 are reserved,must set to 000001.
*/
#define CHANNEL_0 0
#define CHANNEL_1 1
#define CHANNEL_NUM 2
/******************************************************************************/
class IIC_OPRTS
{
public:
void IIC_begin(){Wire.begin();}
s32 IIC_write_byte(u8 reg,u8 byte);
void IIC_read_byte(u8 reg,u8* byte);
void set_iic_addr(u8 IIC_ADDR);
void IIC_read_16bit(u8 start_reg,u16 *value);
s32 IIC_write_16bit(u8 reg,u16 value);
private:
u8 _IIC_ADDR;
};
class LDC1612:public IIC_OPRTS
{
public:
LDC1612(u8 IIC_ADDR=DEFAULT_IIC_ADDR);
~LDC1612(){}
s32 init();
void read_sensor_infomation();
s32 get_channel_result(u8 channel,u32* result);
s32 set_conversion_time(u8 channel,u16 value);
s32 set_LC_stabilize_time(u8 channel);
s32 set_conversion_offset(u8 channel,u16 value);
u32 get_sensor_status();
s32 set_ERROR_CONFIG(u16 value);
s32 set_sensor_config(u16 value);
s32 set_mux_config(u16 value);
s32 reset_sensor();
s32 set_driver_current(u8 channel,u16 value);
s32 set_FIN_FREF_DIV(u8 channel);
void select_channel_to_convert(u8 channel,u16 *value);
s32 single_channel_config(u8 channel);
/*Total two channels*/
s32 LDC1612_mutiple_channel_config();
void set_Rp(u8 channel,float n_kom);
void set_L(u8 channel,float n_uh);
void set_C(u8 channel,float n_pf);
void set_Q_factor(u8 channel,float q);
private:
s32 parse_result_data(u8 channel,u32 raw_result,u32* result);
s32 sensor_status_parse(u16 value);
float resistance[CHANNEL_NUM];
float inductance[CHANNEL_NUM];
float capacitance[CHANNEL_NUM];
float Fref[CHANNEL_NUM];
float Fsensor[CHANNEL_NUM];
float Q_factor[CHANNEL_NUM];
};
#endif