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https://github.com/RIOT-OS/RIOT.git
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110 lines
2.7 KiB
C
110 lines
2.7 KiB
C
/*
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* Copyright (C) 2021 Gunar Schorcht
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup drivers_mcp47xx
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* @brief Default configuration for Microchip MCP47xx DAC with I2C interface
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* @author Gunar Schorcht <gunar@schorcht.net>
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* @file
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* @{
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*/
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#ifndef MCP47XX_PARAMS_H
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#define MCP47XX_PARAMS_H
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#include "board.h"
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#include "mcp47xx.h"
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#include "saul_reg.h"
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#include "saul/periph.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @name Set default configuration parameters
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* @{
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*/
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#ifndef MCP47XX_PARAM_VARIANT
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/** Default MCP47xx variant */
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#define MCP47XX_PARAM_VARIANT (MCP4725)
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#endif
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#ifndef MCP47XX_PARAM_DEV
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/** Default I2C device */
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#define MCP47XX_PARAM_DEV I2C_DEV(0)
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#endif
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#ifndef MCP47XX_PARAM_ADDR
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/** Default I2C slave address as offset to MCP47XX_BASE_ADDR */
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#define MCP47XX_PARAM_ADDR (MCP47XX_BASE_ADDR + 2)
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#endif
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#ifndef MCP47XX_PARAM_GAIN
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/** Default MCP47xx gain selection */
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#define MCP47XX_PARAM_GAIN (MCP47XX_GAIN_1X)
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#endif
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#ifndef MCP47XX_PARAM_VREF
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/** Default MCP47xx V_REF selection */
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#define MCP47XX_PARAM_VREF (MCP47XX_VREF_VDD)
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#endif
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#ifndef MCP47XX_PARAM_PD_MODE
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/** Default MCP47xx Power-Down mode selection */
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#define MCP47XX_PARAM_PD_MODE (MCP47XX_PD_LARGE)
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#endif
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#ifndef MCP47XX_PARAMS
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/** Default MCP47xx configuration parameters */
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#define MCP47XX_PARAMS { \
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.dev = MCP47XX_PARAM_DEV, \
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.addr = MCP47XX_PARAM_ADDR, \
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.variant = MCP47XX_PARAM_VARIANT, \
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.gain = MCP47XX_PARAM_GAIN, \
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.vref = MCP47XX_PARAM_VREF, \
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.pd_mode = MCP47XX_PARAM_PD_MODE, \
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},
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#endif /* MCP47XX_PARAMS */
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#ifndef MCP47XX_SAUL_DAC_PARAMS
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/** Example for mapping DAC channels to SAUL */
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#define MCP47XX_SAUL_DAC_PARAMS { \
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.name = "DAC00", \
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.dev = 0, \
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.channel = 0, \
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.initial = 32768, \
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},
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#endif
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/**@}*/
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/**
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* @brief Allocate some memory to store the actual configuration
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*/
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static const mcp47xx_params_t mcp47xx_params[] =
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{
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MCP47XX_PARAMS
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};
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#if IS_USED(MODULE_SAUL) || DOXYGEN
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/**
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* @brief Additional meta information to keep in the SAUL registry
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*/
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static const mcp47xx_saul_dac_params_t mcp47xx_saul_dac_params[] =
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{
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MCP47XX_SAUL_DAC_PARAMS
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};
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#endif /* IS_USED(MODULE_SAUL) || DOXYGEN */
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#ifdef __cplusplus
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}
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#endif
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#endif /* MCP47XX_PARAMS_H */
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/** @} */
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