ad4130_thermocouple_config.c

00001 /*************************************************************************//**
00002  *   @file   ad4130_thermocouple_config.c
00003  *   @brief  Thermocouple user configurations file for AD4130 device
00004 ******************************************************************************
00005 * Copyright (c) 2022 Analog Devices, Inc.
00006 * All rights reserved.
00007 *
00008 * This software is proprietary to Analog Devices, Inc. and its licensors.
00009 * By using this software you agree to the terms of the associated
00010 * Analog Devices Software License Agreement.
00011 *****************************************************************************/
00012 
00013 /******************************************************************************/
00014 /***************************** Include Files **********************************/
00015 /******************************************************************************/
00016 
00017 #include "app_config.h"
00018 
00019 /******************************************************************************/
00020 /********************** Macros and Constants Definition ***********************/
00021 /******************************************************************************/
00022 
00023 /******************************************************************************/
00024 /********************** Variables and User Defined Data Types *****************/
00025 /******************************************************************************/
00026 
00027 /* AD4130 device initialization parameters */
00028 struct ad413x_init_param ad4130_thermocouple_config_params = {
00029     .spi_init = &spi_init_params,
00030 
00031     /* Setup (Preset) Configurations */
00032     .preset = {
00033         // Setup 0 (Chn0)
00034         {
00035             .ref_buf = {
00036                 .ref_buf_p_en = true,
00037                 .ref_buf_m_en = true,
00038             },
00039             .ref_sel = AD413X_REFOUT_AVSS,
00040             .gain = AD413X_GAIN_128,
00041             .filter = AD4130_FILTER_TYPE,
00042             .s_time = AD413X_32_MCLK
00043         },
00044         // Setup 1 (Chn1)
00045         {
00046             .ref_buf = {
00047                 .ref_buf_p_en = true,
00048                 .ref_buf_m_en = true,
00049             },
00050 #if defined(USE_CJC_AS_RTD)
00051             .ref_sel = AD413X_REFIN1,
00052             .iout0_exc_current = AD413X_EXC_200UA,
00053 #else
00054             .ref_sel = AD413X_REFOUT_AVSS,
00055 #endif
00056             .gain = AD413X_GAIN_1,
00057             .filter = AD4130_FILTER_TYPE,
00058             .s_time = AD413X_32_MCLK
00059         },
00060     },
00061 
00062     /* Chnnel Configurations */
00063     .ch = {
00064         // Chn0 (TC)
00065         {
00066             .preset = AD413X_PRESET_0,
00067             .enable = 1,
00068             .ain_p = AD413X_AIN2,
00069             .ain_m = AD413X_AIN3
00070         },
00071         // Chn1 (CJC)
00072         {
00073             .preset = AD413X_PRESET_1,
00074             .enable = 1,
00075             .ain_p = AD413X_AIN4,
00076             .ain_m = AD413X_AIN5,
00077 #if defined(USE_CJC_AS_RTD)
00078             .iout0_exc_input = AD413X_AIN0,
00079 #endif
00080         },
00081     },
00082 
00083     .chip_id = AD4130_8,
00084     .mclk = AD413X_INT_76_8_KHZ_OUT_OFF,
00085     .bipolar = true,
00086     .int_ref = AD413X_INTREF_1_25V,
00087     .standby_ctrl = {
00088         .standby_int_ref_en = true,
00089         .standby_vbias_en = true
00090     },
00091     .v_bias = NO_OS_BIT(2), // V_Bias on AIN2
00092     .data_stat = 0,
00093     .spi_crc_en = 0
00094 };