mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/*
|
|
* Copyright (C) 2015 Eistec AB
|
|
* 2019 Otto-von-Guericke-Universität Magdeburg
|
|
*
|
|
* 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 drivers_ina2xx
|
|
* @{
|
|
*
|
|
* @file
|
|
* @brief Various definitions for Texas Instruments INA219/INA220
|
|
* Bi-Directional CURRENT/POWER MONITOR with Two-Wire Interface
|
|
*
|
|
* @author Joakim Nohlgård <joakim.nohlgard@eistec.se>
|
|
* @author Marian Buschsieweke <marian.buschsieweke@ovgu.de>
|
|
*/
|
|
|
|
#ifndef INA2XX_DEFINES_H
|
|
#define INA2XX_DEFINES_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* @brief INA2XX register addresses
|
|
*
|
|
* All registers in the INA2XX are 16 bit wide and transmitted MSB first.
|
|
*/
|
|
typedef enum ina2xx_reg {
|
|
INA2XX_REG_CONFIGURATION = 0x00, /**< Configuration register (read/write) */
|
|
INA2XX_REG_SHUNT_VOLTAGE = 0x01, /**< Shunt voltage register (read only) */
|
|
INA2XX_REG_BUS_VOLTAGE = 0x02, /**< Bus voltage register (read only) */
|
|
INA2XX_REG_POWER = 0x03, /**< Power register (read only) */
|
|
INA2XX_REG_CURRENT = 0x04, /**< Current register (read only) */
|
|
INA2XX_REG_CALIBRATION = 0x05, /**< Calibration register (read/write) */
|
|
} ina2xx_reg_t;
|
|
|
|
/**
|
|
* @name Flags in the INA2XX Bus Voltage Register
|
|
* @{
|
|
*/
|
|
#define INA2XX_VBUS_CNVR (0x2) /**< Unread value in power register ready */
|
|
#define INA2XX_VBUS_OVF (0x1) /**< Math overflow during conversion */
|
|
/** @} */
|
|
|
|
/**
|
|
* @name Special configuration register values
|
|
* @{
|
|
*/
|
|
#define INA2XX_RESET (0x8000)/**< Write to config reg to reset device */
|
|
#define INA2XX_DEFCONFIG (0x399f)/**< Default config after reset */
|
|
/** @} */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* INA2XX_DEFINES_H */
|
|
/** @} */
|