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common/particle-mesh: add support for saul_bat_voltage

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Martine S. Lenders 2024-11-21 13:29:21 +01:00
parent 7698aca566
commit d892c2cc8f
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4 changed files with 89 additions and 0 deletions
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1
boards/common/particle-mesh/Makefile.dep
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@ -1,5 +1,6 @@
ifneq (,$(filter saul_default,$(USEMODULE)))
USEMODULE += saul_gpio
USEMODULE += saul_bat_voltage
USEMODULE += saul_pwm
endif

1
boards/common/particle-mesh/Makefile.features
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@ -1,6 +1,7 @@
CPU_MODEL = nrf52840xxaa
# Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += board_bat_voltage
FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_pwm
FEATURES_PROVIDED += periph_spi

31
boards/common/particle-mesh/bat_voltage.c Normal file
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@ -0,0 +1,31 @@
/*
* Copyright (C) 2024 TU Dresden
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup boards_feather-nrf52840
* @ingroup saul_bat_voltage
* @{
* @file
* @brief Implementation of battery voltage convert function
*
* @author Martine S. Lenders <martine.lenders@tu-dresden.de>
*
* @}
*/
#ifdef MODULE_SAUL_BAT_VOLTAGE
#include "saul/bat_voltage.h"
int16_t saul_bat_voltage_convert(int32_t adc_sample)
{
/* See https://community.particle.io/t/can-argon-or-xenon-read-the-battery-state/45554/6
* and https://docs.particle.io/assets/images/xenon/schematic-main.png */
return (int16_t)((adc_sample * 33L * 1403L) / 10000L);
}
#endif /* MODULE_SAUL_BAT_VOLTAGE */

56
boards/common/particle-mesh/include/bat_voltage_params.h Normal file
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@ -0,0 +1,56 @@
/*
* Copyright (C) 2024 TU Dresden
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup boards_common_particle-mesh
* @{
*
* @file
* @brief Configuration of SAUL mapped battery voltage information
*
* @author Martine S. Lenders <martine.lenders@tu-dresden.de>
*/
#ifndef BAT_VOLTAGE_PARAMS_H
#define BAT_VOLTAGE_PARAMS_H
#include "saul/bat_voltage.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Conversion function to convert ADC sample to battery voltage
*
* @param[in] adc_sample The raw ADC sample.
*
* @return Voltage value for phydat.
*/
int16_t saul_bat_voltage_convert(int32_t adc_sample);
/**
* @brief Battery voltage configuration
*/
static const saul_bat_voltage_params_t saul_bat_voltage_params[] =
{
{
.name = "BAT",
.phydat_scale = -3,
.line = ADC_LINE(3),
.res = ADC_RES_10BIT,
.convert = saul_bat_voltage_convert,
},
};
#ifdef __cplusplus
}
#endif
#endif /* BAT_VOLTAGE_PARAMS_H */
/** @} */