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246 lines
12 KiB
C
246 lines
12 KiB
C
/***************************************************************************//**
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* @file
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* @brief PA power conversion curves used by Silicon Labs PA power conversion
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* functions.
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* @details This file contains the curves needed convert PA power levels to
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* dBm powers.
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*******************************************************************************
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* # License
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* <b>Copyright 2020 Silicon Laboratories Inc. www.silabs.com</b>
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*******************************************************************************
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*
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* SPDX-License-Identifier: Zlib
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*
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* The licensor of this software is Silicon Laboratories Inc.
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*
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******************************************************************************/
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#ifndef __PA_CURVES_H_
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#define __PA_CURVES_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define RAIL_PA_CURVES_LP_VALUES 7
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#define RAIL_PA_CURVES_2P4_HP_SG_PIECEWISE_SEGMENTS 8
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#define RAIL_PA_CURVES_2P4_HP_VBAT_MAX_POWER 200
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#define RAIL_PA_CURVES_2P4_HP_VBAT_MIN_POWER -260
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#define RAIL_PA_CURVES_2P4_HP_VBAT_CURVES \
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{ { 252, 2776, -300026 }, \
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{ 136, 1335, -73192 }, \
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{ 83, 772, -7179 }, \
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{ 50, 441, 17309 }, \
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{ 41, 343, 22520 }, \
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{ 22, 209, 22360 }, \
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{ 14, 124, 18896 }, \
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{ 7, 40, 10519 } }
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#define RAIL_PA_CURVES_2P4_HP_DCDC_MAX_POWER 140
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#define RAIL_PA_CURVES_2P4_HP_DCDC_MIN_POWER -260
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#define RAIL_PA_CURVES_2P4_HP_DCDC_CURVES \
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{ { 65535, 0, 0 }, \
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{ 252, 4306, -391604 }, \
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{ 117, 1435, -52495 }, \
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{ 62, 610, 13579 }, \
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{ 37, 331, 24456 }, \
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{ 23, 224, 23902 }, \
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{ 14, 140, 20330 }, \
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{ 7, 37, 10371 } }
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#define RAIL_PA_CURVES_SG_VBAT_MAX_POWER 200
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#define RAIL_PA_CURVES_SG_VBAT_MIN_POWER -260
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#define RAIL_PA_CURVES_SG_VBAT_CURVES \
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{ { 248, 2757, -319913 }, \
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{ 123, 1173, -64900 }, \
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{ 74, 694, -8378 }, \
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{ 45, 429, 12097 }, \
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{ 28, 263, 18309 }, \
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{ 18, 167, 18071 }, \
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{ 11, 103, 15386 }, \
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{ 6, 34, 9064 } }
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#define RAIL_PA_CURVES_SG_DCDC_MAX_POWER 150
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#define RAIL_PA_CURVES_SG_DCDC_MIN_POWER -260
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#define RAIL_PA_CURVES_SG_DCDC_CURVES \
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{ { 248, 9069, -1171644 }, \
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{ 199, 3826, -378994 }, \
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{ 92, 932, -22748 }, \
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{ 50, 470, 13485 }, \
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{ 31, 304, 19712 }, \
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{ 18, 192, 19146 }, \
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{ 11, 110, 15607 }, \
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{ 5, 31, 8239 } }
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#define RAIL_PA_CURVES_2P4_LP \
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{ \
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-125, /*! Power Level 1 */ \
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-65, /*! Power Level 2 */ \
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-30, /*! Power Level 3 */ \
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-15, /*! Power Level 4 */ \
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-7, /*! Power Level 5 */ \
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-2, /*! Power Level 6 */ \
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0 /*! Power Level 7 */ \
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}
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/**
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* Macros to ease in the delcarations of the various power amplifier units
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* conversion curves.
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*/
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#define RAIL_DECLARE_PA_2P4_HP_VBAT \
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static const RAIL_TxPowerCurveSegment_t \
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twoPointFourHpVbatCurves[RAIL_PA_CURVES_2P4_HP_SG_PIECEWISE_SEGMENTS] \
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= RAIL_PA_CURVES_2P4_HP_VBAT_CURVES;
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#define RAIL_DECLARE_PA_2P4_HP_DCDC \
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static const RAIL_TxPowerCurveSegment_t \
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twoPointFourHpDcdcCurves[RAIL_PA_CURVES_2P4_HP_SG_PIECEWISE_SEGMENTS] \
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= RAIL_PA_CURVES_2P4_HP_DCDC_CURVES;
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#define RAIL_DECLARE_PA_SG_VBAT \
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static const RAIL_TxPowerCurveSegment_t \
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subgigVbatCurves[RAIL_PA_CURVES_2P4_HP_SG_PIECEWISE_SEGMENTS] \
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= RAIL_PA_CURVES_SG_VBAT_CURVES;
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#define RAIL_DECLARE_PA_SG_DCDC \
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static const RAIL_TxPowerCurveSegment_t \
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subgigDcdcCurves[RAIL_PA_CURVES_2P4_HP_SG_PIECEWISE_SEGMENTS] \
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= RAIL_PA_CURVES_SG_DCDC_CURVES;
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// Macro to declare the variables needed to initialize
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// RAIL_TxPowerCurvesConfigAlt_t for use in RAIL_InitTxPowerCurvesAlt,
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// assuming battery powered operation
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#define RAIL_DECLARE_TX_POWER_VBAT_CURVES_ALT \
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static const RAIL_TxPowerCurveAlt_t RAIL_piecewiseDataHp = { \
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RAIL_PA_CURVES_2P4_HP_VBAT_MAX_POWER, \
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RAIL_PA_CURVES_2P4_HP_VBAT_MIN_POWER, \
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RAIL_PA_CURVES_2P4_HP_VBAT_CURVES \
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}; \
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static const RAIL_TxPowerCurveAlt_t RAIL_piecewiseDataSg = { \
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RAIL_PA_CURVES_SG_VBAT_MAX_POWER, \
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RAIL_PA_CURVES_SG_VBAT_MIN_POWER, \
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RAIL_PA_CURVES_SG_VBAT_CURVES \
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}; \
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static const int16_t RAIL_curves24Lp[RAIL_PA_CURVES_LP_VALUES] = \
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RAIL_PA_CURVES_2P4_LP;
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// *INDENT-OFF*
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// Macro to declare the variables needed to initialize
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// RAIL_TxPowerCurvesConfigAlt_t for use in RAIL_InitTxPowerCurvesAlt,
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// assuming DCDC powered operation
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#define RAIL_DECLARE_TX_POWER_DCDC_CURVES_ALT \
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static const RAIL_TxPowerCurveAlt_t RAIL_piecewiseDataHp = { \
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RAIL_PA_CURVES_2P4_HP_DCDC_MAX_POWER, \
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RAIL_PA_CURVES_2P4_HP_DCDC_MIN_POWER, \
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RAIL_PA_CURVES_2P4_HP_DCDC_CURVES, \
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}; \
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static const RAIL_TxPowerCurveAlt_t RAIL_piecewiseDataSg = { \
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RAIL_PA_CURVES_SG_DCDC_MAX_POWER, \
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RAIL_PA_CURVES_SG_DCDC_MIN_POWER, \
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RAIL_PA_CURVES_SG_DCDC_CURVES \
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}; \
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static const int16_t RAIL_curves24Lp[RAIL_PA_CURVES_LP_VALUES] = \
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RAIL_PA_CURVES_2P4_LP;
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// *INDENT-OFF*
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// Macro to declare the variables needed to initialize
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// RAIL_TxPowerCurvesConfig_t for use in RAIL_InitTxPowerCurves,
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// assuming battery powered operation
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#define RAIL_DECLARE_TX_POWER_VBAT_CURVES(piecewiseSegments, curvesSg, \
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curves24Hp, curves24Lp) \
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static const uint8_t (piecewiseSegments) = \
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RAIL_PA_CURVES_2P4_HP_SG_PIECEWISE_SEGMENTS; \
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\
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RAIL_DECLARE_PA_2P4_HP_VBAT; \
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RAIL_DECLARE_PA_SG_VBAT; \
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\
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static const RAIL_TxPowerCurves_t curvesSg[1] = { \
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{ RAIL_PA_CURVES_SG_VBAT_MAX_POWER, \
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RAIL_PA_CURVES_SG_VBAT_MIN_POWER, \
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subgigVbatCurves } \
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}; \
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static const RAIL_TxPowerCurves_t curves24Hp[1] = { \
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{ RAIL_PA_CURVES_2P4_HP_VBAT_MAX_POWER, \
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RAIL_PA_CURVES_2P4_HP_VBAT_MIN_POWER, \
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twoPointFourHpVbatCurves } \
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}; \
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static const int16_t curves24Lp[RAIL_PA_CURVES_LP_VALUES] = \
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RAIL_PA_CURVES_2P4_LP;
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// *INDENT-OFF*
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// Macro to declare the variables needed to initialize
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// RAIL_TxPowerCurvesConfig_t for use in RAIL_InitTxPowerCurves,
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// assuming DCDC powered operation
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#define RAIL_DECLARE_TX_POWER_DCDC_CURVES(piecewiseSegments, curvesSg, \
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curves24Hp, curves24Lp) \
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static const uint8_t piecewiseSegments = \
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RAIL_PA_CURVES_2P4_HP_SG_PIECEWISE_SEGMENTS; \
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\
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RAIL_DECLARE_PA_2P4_HP_DCDC; \
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RAIL_DECLARE_PA_SG_DCDC; \
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\
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static const RAIL_TxPowerCurves_t curvesSg[1] = { \
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{ RAIL_PA_CURVES_SG_DCDC_MAX_POWER, \
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RAIL_PA_CURVES_SG_DCDC_MIN_POWER, \
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subgigDcdcCurves } \
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}; \
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static const RAIL_TxPowerCurves_t curves24Hp[1] = { \
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{ RAIL_PA_CURVES_2P4_HP_DCDC_MAX_POWER, \
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RAIL_PA_CURVES_2P4_HP_DCDC_MIN_POWER, \
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twoPointFourHpDcdcCurves } \
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}; \
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static const int16_t curves24Lp[RAIL_PA_CURVES_LP_VALUES] = \
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RAIL_PA_CURVES_2P4_LP;
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// *INDENT-OFF*
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#define RAIL_DECLARE_TX_POWER_CURVES_CONFIG_ALT \
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{ \
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.curves = { \
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{ \
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.algorithm = RAIL_PA_ALGORITHM_PIECEWISE_LINEAR, \
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.segments = RAIL_PA_CURVES_2P4_HP_SG_PIECEWISE_SEGMENTS, \
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.min = RAIL_TX_POWER_LEVEL_2P4_HP_MIN, \
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.max = RAIL_TX_POWER_LEVEL_2P4_HP_MAX, \
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.conversion = { .powerCurve = &RAIL_piecewiseDataHp }, \
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}, \
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{ \
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.algorithm = RAIL_PA_ALGORITHM_MAPPING_TABLE, \
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.segments = 0U, \
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.min = RAIL_TX_POWER_LEVEL_2P4_LP_MIN, \
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.max = RAIL_TX_POWER_LEVEL_2P4_LP_MAX, \
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.conversion = { .mappingTable = &RAIL_curves24Lp[0] }, \
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}, \
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{ \
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.algorithm = RAIL_PA_ALGORITHM_PIECEWISE_LINEAR, \
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.segments = RAIL_PA_CURVES_2P4_HP_SG_PIECEWISE_SEGMENTS, \
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.min = RAIL_TX_POWER_LEVEL_SUBGIG_MIN, \
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.max = RAIL_TX_POWER_LEVEL_SUBGIG_HP_MAX, \
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.conversion = { .powerCurve = &RAIL_piecewiseDataSg }, \
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}, \
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} \
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}
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// *INDENT-OFF*
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#ifdef __cplusplus
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}
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#endif
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#endif
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