BLUESINK / ads1015

ADS1015 library

Dependents:   s-rov-firmware

ads1015.h@0:b3c2afab9578, 2017-01-26 (annotated)

Committer:
YJ_Kim
Date:
Thu Jan 26 17:00:38 2017 +0000
Revision:
0:b3c2afab9578
Child:
1:fa7b90993eb3
first commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
YJ_Kim 0:b3c2afab9578 1 #ifndef _ADS1015_H_
YJ_Kim 0:b3c2afab9578 2 #define _ADS1015_H_
YJ_Kim 0:b3c2afab9578 3
YJ_Kim 0:b3c2afab9578 4 #include "mbed.h"
YJ_Kim 0:b3c2afab9578 5
YJ_Kim 0:b3c2afab9578 6 /*=============================================================================
YJ_Kim 0:b3c2afab9578 7
YJ_Kim 0:b3c2afab9578 8 Conversion delay (in ms)
YJ_Kim 0:b3c2afab9578 9
YJ_Kim 0:b3c2afab9578 10 =============================================================================*/
YJ_Kim 0:b3c2afab9578 11 #define ADS1015_CONVERSIONDELAY 1
YJ_Kim 0:b3c2afab9578 12
YJ_Kim 0:b3c2afab9578 13 /*=============================================================================
YJ_Kim 0:b3c2afab9578 14
YJ_Kim 0:b3c2afab9578 15 Register Map
YJ_Kim 0:b3c2afab9578 16
YJ_Kim 0:b3c2afab9578 17 =============================================================================*/
YJ_Kim 0:b3c2afab9578 18 #define ADS1015_REG_CONVERSION 0x00
YJ_Kim 0:b3c2afab9578 19 #define ADS1015_REG_CONFIG 0x01
YJ_Kim 0:b3c2afab9578 20 #define ADS1015_REG_LOWTHRESH 0x02
YJ_Kim 0:b3c2afab9578 21 #define ADS1015_REG_HITHRESH 0X03
YJ_Kim 0:b3c2afab9578 22
YJ_Kim 0:b3c2afab9578 23 /*=============================================================================
YJ_Kim 0:b3c2afab9578 24
YJ_Kim 0:b3c2afab9578 25 Config Register Field Descriptions
YJ_Kim 0:b3c2afab9578 26
YJ_Kim 0:b3c2afab9578 27 =============================================================================*/
YJ_Kim 0:b3c2afab9578 28 #define ADS1015_CONFIG_OS_START_CONV 0x8000
YJ_Kim 0:b3c2afab9578 29
YJ_Kim 0:b3c2afab9578 30 #define ADS1015_CONFIG_MUX_DIFF_0_1 0x0000
YJ_Kim 0:b3c2afab9578 31 #define ADS1015_CONFIG_MUX_DIFF_0_3 0x1000
YJ_Kim 0:b3c2afab9578 32 #define ADS1015_CONFIG_MUX_DIFF_1_3 0x2000
YJ_Kim 0:b3c2afab9578 33 #define ADS1015_CONFIG_MUX_DIFF_2_3 0x3000
YJ_Kim 0:b3c2afab9578 34 #define ADS1015_CONFIG_MUX_SINGLE_0 0X4000
YJ_Kim 0:b3c2afab9578 35 #define ADS1015_CONFIG_MUX_SINGLE_1 0x5000
YJ_Kim 0:b3c2afab9578 36 #define ADS1015_CONFIG_MUX_SINGLE_2 0x6000
YJ_Kim 0:b3c2afab9578 37 #define ADS1015_CONFIG_MUX_SINGLE_3 0x7000
YJ_Kim 0:b3c2afab9578 38
YJ_Kim 0:b3c2afab9578 39 #define ADS1015_CONFIG_MODE_CONT 0x0000
YJ_Kim 0:b3c2afab9578 40 #define ADS1015_CONFIG_MODE_SINGLE 0x0100
YJ_Kim 0:b3c2afab9578 41
YJ_Kim 0:b3c2afab9578 42 #define ADS1015_CONFIG_DR_128SPS 0x0000
YJ_Kim 0:b3c2afab9578 43 #define ADS1015_CONFIG_DR_250SPS 0x0020
YJ_Kim 0:b3c2afab9578 44 #define ADS1015_CONFIG_DR_490SPS 0x0040
YJ_Kim 0:b3c2afab9578 45 #define ADS1015_CONFIG_DR_920SPS 0x0060
YJ_Kim 0:b3c2afab9578 46 #define ADS1015_CONFIG_DR_1600SPS 0x0080
YJ_Kim 0:b3c2afab9578 47 #define ADS1015_CONFIG_DR_2400SPS 0x00A0
YJ_Kim 0:b3c2afab9578 48 #define ADS1015_CONFIG_DR_3300SPS 0x00C0
YJ_Kim 0:b3c2afab9578 49
YJ_Kim 0:b3c2afab9578 50 #define ADS1015_CONFIG_COMP_MODE_TRAD 0x0000
YJ_Kim 0:b3c2afab9578 51 #define ADS1015_CONFIG_COMP_MODE_WINDOW 0x0010
YJ_Kim 0:b3c2afab9578 52
YJ_Kim 0:b3c2afab9578 53 #define ADS1015_CONFIG_COMP_POL_ACTVLOW 0x0000
YJ_Kim 0:b3c2afab9578 54 #define ADS1015_CONFIG_COMP_POL_ACTVHI 0x0008
YJ_Kim 0:b3c2afab9578 55
YJ_Kim 0:b3c2afab9578 56 #define ADS1015_CONFIG_COMP_LAT_NONE 0x0000
YJ_Kim 0:b3c2afab9578 57 #define ADS1015_CONFIG_COMP_LAT_LATCH 0x0004
YJ_Kim 0:b3c2afab9578 58
YJ_Kim 0:b3c2afab9578 59 #define ADS1015_CONFIG_COMP_QUE_1CONV 0x0000
YJ_Kim 0:b3c2afab9578 60 #define ADS1015_CONFIG_COMP_QUE_2CONV 0X0001
YJ_Kim 0:b3c2afab9578 61 #define ADS1015_CONFIG_COMP_QUE_4CONV 0x0002
YJ_Kim 0:b3c2afab9578 62 #define ADS1015_CONFIG_COMP_QUE_NONE 0x0003
YJ_Kim 0:b3c2afab9578 63
YJ_Kim 0:b3c2afab9578 64 /*=============================================================================
YJ_Kim 0:b3c2afab9578 65
YJ_Kim 0:b3c2afab9578 66 GAIN
YJ_Kim 0:b3c2afab9578 67
YJ_Kim 0:b3c2afab9578 68 =============================================================================*/
YJ_Kim 0:b3c2afab9578 69 #define ADS1015_GAIN_TWOTHRIDS 0x0000
YJ_Kim 0:b3c2afab9578 70 #define ADS1015_GAIN_ONE 0x0200
YJ_Kim 0:b3c2afab9578 71 #define ADS1015_GAIN_TWO 0x0400
YJ_Kim 0:b3c2afab9578 72 #define ADS1015_GAIN_FOUR 0x0600
YJ_Kim 0:b3c2afab9578 73 #define ADS1015_GAIN_EIGHT 0x0800
YJ_Kim 0:b3c2afab9578 74 #define ADS1015_GAIN_SIXTEEN 0x0A00
YJ_Kim 0:b3c2afab9578 75
YJ_Kim 0:b3c2afab9578 76 class ADS1015{
YJ_Kim 0:b3c2afab9578 77 public:
YJ_Kim 0:b3c2afab9578 78 ADS1015(uint8_t i2c_addr, I2C* i2c_object, uint16_t adc_gain);
YJ_Kim 0:b3c2afab9578 79 void write_16(uint8_t reg, uint16_t msg);
YJ_Kim 0:b3c2afab9578 80 char read_8(uint8_t reg);
YJ_Kim 0:b3c2afab9578 81
YJ_Kim 0:b3c2afab9578 82 private:
YJ_Kim 0:b3c2afab9578 83 uint8_t ADS1015_ADDR;
YJ_Kim 0:b3c2afab9578 84 uint16_t m_gain;
YJ_Kim 0:b3c2afab9578 85 I2C* i2c;
YJ_Kim 0:b3c2afab9578 86 }
YJ_Kim 0:b3c2afab9578 87
YJ_Kim 0:b3c2afab9578 88 #endif