Vincent (pan-) Coubard / X_NUCLEO_IDB0XA1

My fork of X_NUCLEO_IDB0XA1

Fork of X_NUCLEO_IDB0XA1 by ST

source/utils/Utils.cpp@132:51056160fa4a, 2015-10-07 (annotated)

Committer:
Wolfgang Betz
Date:
Wed Oct 07 08:39:04 2015 +0200
Revision:
132:51056160fa4a
Child:
226:be2f4e1d0515
Andrea's version as of mail from 10/06/2015 05:56 PM



From: Andrea PALMIERI <andrea.palmieri@st.com>

To: Wolfgang BETZ <wolfgang.betz@st.com>, Rohit Grover <rohit.grover@arm.com>,

	Antonio VILEI <antonio.vilei@st.com>, Mihail Stoyanov

	<Mihail.Stoyanov@arm.com>

CC: Nicola CAPOVILLA <nicola.capovilla@st.com>, Silvio Lucio OLIVA

	<silvio.oliva@st.com>, "jonathan.austin@arm.com" <jonathan.austin@arm.com>

Content-Class: urn:content-classes:message

Date: Tue, 6 Oct 2015 17:56:34 +0200

Subject: RE: Arduino Compatibility of X-NUCLEO-IDB04A1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Wolfgang Betz 132:51056160fa4a 1 /* mbed Microcontroller Library
Wolfgang Betz 132:51056160fa4a 2 * Copyright (c) 2006-2013 ARM Limited
Wolfgang Betz 132:51056160fa4a 3 *
Wolfgang Betz 132:51056160fa4a 4 * Licensed under the Apache License, Version 2.0 (the "License");
Wolfgang Betz 132:51056160fa4a 5 * you may not use this file except in compliance with the License.
Wolfgang Betz 132:51056160fa4a 6 * You may obtain a copy of the License at
Wolfgang Betz 132:51056160fa4a 7 *
Wolfgang Betz 132:51056160fa4a 8 * http://www.apache.org/licenses/LICENSE-2.0
Wolfgang Betz 132:51056160fa4a 9 *
Wolfgang Betz 132:51056160fa4a 10 * Unless required by applicable law or agreed to in writing, software
Wolfgang Betz 132:51056160fa4a 11 * distributed under the License is distributed on an "AS IS" BASIS,
Wolfgang Betz 132:51056160fa4a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Wolfgang Betz 132:51056160fa4a 13 * See the License for the specific language governing permissions and
Wolfgang Betz 132:51056160fa4a 14 * limitations under the License.
Wolfgang Betz 132:51056160fa4a 15 */
Wolfgang Betz 132:51056160fa4a 16
Wolfgang Betz 132:51056160fa4a 17 #include "Utils.h"
Wolfgang Betz 132:51056160fa4a 18
Wolfgang Betz 132:51056160fa4a 19 /**************************************************************************/
Wolfgang Betz 132:51056160fa4a 20 /*!
Wolfgang Betz 132:51056160fa4a 21 @brief sets values of EN_HIGH_POWER and PA_LEVEL corresponding to dBMLevel of tx power
Wolfgang Betz 132:51056160fa4a 22
Wolfgang Betz 132:51056160fa4a 23 @returns value of tx power in dbm actually set
Wolfgang Betz 132:51056160fa4a 24
Wolfgang Betz 132:51056160fa4a 25 @params[in] dBMLevel
Wolfgang Betz 132:51056160fa4a 26 dBMLevel of tx power to be set
Wolfgang Betz 132:51056160fa4a 27
Wolfgang Betz 132:51056160fa4a 28 @params[in] dBMLevel
Wolfgang Betz 132:51056160fa4a 29 dBMLevel of tx power to be set
Wolfgang Betz 132:51056160fa4a 30
Wolfgang Betz 132:51056160fa4a 31 @endcode
Wolfgang Betz 132:51056160fa4a 32 */
Wolfgang Betz 132:51056160fa4a 33 /**************************************************************************/
Wolfgang Betz 132:51056160fa4a 34 double getHighPowerAndPALevelValue(int8_t dBMLevel, int8_t& EN_HIGH_POWER, int8_t& PA_LEVEL) {
Wolfgang Betz 132:51056160fa4a 35 double dbm = (double) dBMLevel;
Wolfgang Betz 132:51056160fa4a 36 if(dbm<-18.0) {
Wolfgang Betz 132:51056160fa4a 37 dbm = -18;
Wolfgang Betz 132:51056160fa4a 38 EN_HIGH_POWER = 0;
Wolfgang Betz 132:51056160fa4a 39 PA_LEVEL = 0;
Wolfgang Betz 132:51056160fa4a 40 }
Wolfgang Betz 132:51056160fa4a 41 else if(dbm>8.0) {
Wolfgang Betz 132:51056160fa4a 42 dbm = 8;
Wolfgang Betz 132:51056160fa4a 43 EN_HIGH_POWER = 1;
Wolfgang Betz 132:51056160fa4a 44 PA_LEVEL = 7;
Wolfgang Betz 132:51056160fa4a 45 }
Wolfgang Betz 132:51056160fa4a 46
Wolfgang Betz 132:51056160fa4a 47 // As a policy we are setting tx power level to the higher side
Wolfgang Betz 132:51056160fa4a 48 if((dbm>-18.0) && (dbm<=-15)) {
Wolfgang Betz 132:51056160fa4a 49 // set tx power to -15dBM
Wolfgang Betz 132:51056160fa4a 50 EN_HIGH_POWER = 0;
Wolfgang Betz 132:51056160fa4a 51 PA_LEVEL = 0;
Wolfgang Betz 132:51056160fa4a 52 }
Wolfgang Betz 132:51056160fa4a 53 else if((dbm>-15) && (dbm<=-14.7)) {
Wolfgang Betz 132:51056160fa4a 54 // set tx power to -14.7dBM
Wolfgang Betz 132:51056160fa4a 55 EN_HIGH_POWER = 0;
Wolfgang Betz 132:51056160fa4a 56 PA_LEVEL = 1;
Wolfgang Betz 132:51056160fa4a 57 }
Wolfgang Betz 132:51056160fa4a 58 else if((dbm>-14.7) && (dbm<=-11.7)) {
Wolfgang Betz 132:51056160fa4a 59 // set tx power to -11.7dBM
Wolfgang Betz 132:51056160fa4a 60 EN_HIGH_POWER = 1;
Wolfgang Betz 132:51056160fa4a 61 PA_LEVEL = 1;
Wolfgang Betz 132:51056160fa4a 62 }
Wolfgang Betz 132:51056160fa4a 63 else if((dbm>-11.7) && (dbm<=-11.4)) {
Wolfgang Betz 132:51056160fa4a 64 // set tx power to -11.4dBM
Wolfgang Betz 132:51056160fa4a 65 EN_HIGH_POWER = 0;
Wolfgang Betz 132:51056160fa4a 66 PA_LEVEL = 2;
Wolfgang Betz 132:51056160fa4a 67 }
Wolfgang Betz 132:51056160fa4a 68 else if((dbm>-11.4) && (dbm<=-8.4)) {
Wolfgang Betz 132:51056160fa4a 69 // set tx power to -8.4dBM
Wolfgang Betz 132:51056160fa4a 70 EN_HIGH_POWER = 1;
Wolfgang Betz 132:51056160fa4a 71 PA_LEVEL = 2;
Wolfgang Betz 132:51056160fa4a 72 }
Wolfgang Betz 132:51056160fa4a 73 else if((dbm>-8.4) && (dbm<=-8.1)) {
Wolfgang Betz 132:51056160fa4a 74 // set tx power to -8.1dBM
Wolfgang Betz 132:51056160fa4a 75 EN_HIGH_POWER = 0;
Wolfgang Betz 132:51056160fa4a 76 PA_LEVEL = 3;
Wolfgang Betz 132:51056160fa4a 77 }
Wolfgang Betz 132:51056160fa4a 78 else if((dbm>-8.1) && (dbm<=-5.1)) {
Wolfgang Betz 132:51056160fa4a 79 // set tx power to -5.1dBM
Wolfgang Betz 132:51056160fa4a 80 EN_HIGH_POWER = 1;
Wolfgang Betz 132:51056160fa4a 81 PA_LEVEL = 3;
Wolfgang Betz 132:51056160fa4a 82 }
Wolfgang Betz 132:51056160fa4a 83 else if((dbm>-5.1) && (dbm<=-4.9)) {
Wolfgang Betz 132:51056160fa4a 84 // set tx power to -4.9dBM
Wolfgang Betz 132:51056160fa4a 85 EN_HIGH_POWER = 0;
Wolfgang Betz 132:51056160fa4a 86 PA_LEVEL = 4;
Wolfgang Betz 132:51056160fa4a 87 }
Wolfgang Betz 132:51056160fa4a 88 else if((dbm>-4.9) && (dbm<=-2.1)) {
Wolfgang Betz 132:51056160fa4a 89 // set tx power to -2.1dBM
Wolfgang Betz 132:51056160fa4a 90 EN_HIGH_POWER = 1;
Wolfgang Betz 132:51056160fa4a 91 PA_LEVEL = 4;
Wolfgang Betz 132:51056160fa4a 92 }
Wolfgang Betz 132:51056160fa4a 93 else if((dbm>-2.1) && (dbm<=-1.6)) {
Wolfgang Betz 132:51056160fa4a 94 // set tx power to -1.6dBM
Wolfgang Betz 132:51056160fa4a 95 EN_HIGH_POWER = 0;
Wolfgang Betz 132:51056160fa4a 96 PA_LEVEL = 5;
Wolfgang Betz 132:51056160fa4a 97 }
Wolfgang Betz 132:51056160fa4a 98 else if((dbm>-1.6) && (dbm<=1.4)) {
Wolfgang Betz 132:51056160fa4a 99 // set tx power to -1.6dBM
Wolfgang Betz 132:51056160fa4a 100 EN_HIGH_POWER = 1;
Wolfgang Betz 132:51056160fa4a 101 PA_LEVEL = 5;
Wolfgang Betz 132:51056160fa4a 102 }
Wolfgang Betz 132:51056160fa4a 103 else if((dbm>1.4) && (dbm<=1.7)) {
Wolfgang Betz 132:51056160fa4a 104 // set tx power to 1.7dBM
Wolfgang Betz 132:51056160fa4a 105 EN_HIGH_POWER = 0;
Wolfgang Betz 132:51056160fa4a 106 PA_LEVEL = 6;
Wolfgang Betz 132:51056160fa4a 107 }
Wolfgang Betz 132:51056160fa4a 108 else if((dbm>1.7) && (dbm<=4.7)) {
Wolfgang Betz 132:51056160fa4a 109 // set tx power to 4.7dBM
Wolfgang Betz 132:51056160fa4a 110 EN_HIGH_POWER = 1;
Wolfgang Betz 132:51056160fa4a 111 PA_LEVEL = 6;
Wolfgang Betz 132:51056160fa4a 112 }
Wolfgang Betz 132:51056160fa4a 113 else if((dbm>4.7) && (dbm<=5.0)) {
Wolfgang Betz 132:51056160fa4a 114 // set tx power to 5.0dBM
Wolfgang Betz 132:51056160fa4a 115 EN_HIGH_POWER = 0;
Wolfgang Betz 132:51056160fa4a 116 PA_LEVEL = 7;
Wolfgang Betz 132:51056160fa4a 117 }
Wolfgang Betz 132:51056160fa4a 118 else if((dbm>5.0) && (dbm<=8)) {
Wolfgang Betz 132:51056160fa4a 119 // set tx power to 8.0dBM
Wolfgang Betz 132:51056160fa4a 120 EN_HIGH_POWER = 1;
Wolfgang Betz 132:51056160fa4a 121 PA_LEVEL = 7;
Wolfgang Betz 132:51056160fa4a 122 }
Wolfgang Betz 132:51056160fa4a 123
Wolfgang Betz 132:51056160fa4a 124 return dbm;
Wolfgang Betz 132:51056160fa4a 125 }