si70xx_internals.h
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1 /*
2  * Copyright (C) 2016 Bas Stottelaar <basstottelaar@gmail.com>
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
9 #pragma once
10 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24 
28 #define SI70XX_I2C_ADDRESS (0x40)
29 
34 #define SI70XX_MEASURE_RH_HOLD (0xE5)
35 #define SI70XX_MEASURE_RH (0xF5)
36 #define SI70XX_MEASURE_TEMP_HOLD (0xE3)
37 #define SI70XX_MEASURE_TEMP (0xF3)
38 #define SI70XX_MEASURE_TEMP_PREV (0xE0)
39 #define SI70XX_RESET (0xFE)
40 #define SI70XX_WRITE_USER_REG (0xE6)
41 #define SI70XX_READ_USER_REG (0xE7)
42 #define SI70XX_WRITE_HEATER_REG (0x51)
43 #define SI70XX_READ_HEATER_REG (0x11)
44 #define SI70XX_READ_ID_FIRST_A (0xFA)
45 #define SI70XX_READ_ID_FIRST_B (0x0F)
46 #define SI70XX_READ_ID_SECOND_A (0xFC)
47 #define SI70XX_READ_ID_SECOND_B (0xC9)
48 #define SI70XX_READ_REVISION_A (0x84)
49 #define SI70XX_READ_REVISION_B (0xB8)
56 #if defined(MODULE_SI7006)
57 #define SI70XX_ID (6)
58 #elif defined(MODULE_SI7013)
59 #define SI70XX_ID (13)
60 #elif defined(MODULE_SI7020)
61 #define SI70XX_ID (20)
62 #elif defined(MODULE_SI7021)
63 #define SI70XX_ID (21)
64 #elif defined(MODULE_SI7050)
65 #define SI70XX_ID (50)
66 #elif defined(MODULE_SI7051)
67 #define SI70XX_ID (51)
68 #elif defined(MODULE_SI7053)
69 #define SI70XX_ID (53)
70 #elif defined(MODULE_SI7054)
71 #define SI70XX_ID (54)
72 #elif defined(MODULE_SI7055)
73 #define SI70XX_ID (55)
74 #else
75 #error "Please provide a valid Si70xx variant (Si7006/13/20/21/5X)"
76 #endif
77 
78 #define SI70XX_REVISION_1 (0xFF)
79 #define SI70XX_REVISION_2 (0x20)
82 #ifdef __cplusplus
83 }
84 #endif
85