Devchannel Team / X_NUCLEO_IDB0XA1

HW layer for the Nucleo board, it only work with old BLE_API

Dependents:   Hello_BLE F446RE-BLE

Fork of X_NUCLEO_IDB0XA1 by ST

utils/src/Utils.cpp@58:027c65a54097, 2014-10-07 (annotated)

Committer:
hemddabral
Date:
Tue Oct 07 10:13:02 2014 +0000
Revision:
58:027c65a54097
Parent:
16:8aeb0c44869b 
code cleanup and indentation.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hemddabral 12:a5d7db4a1e49 1 /* mbed Microcontroller Library
hemddabral 58:027c65a54097 2 * Copyright (c) 2006-2013 ARM Limited
hemddabral 58:027c65a54097 3 *
hemddabral 58:027c65a54097 4 * Licensed under the Apache License, Version 2.0 (the "License");
hemddabral 58:027c65a54097 5 * you may not use this file except in compliance with the License.
hemddabral 58:027c65a54097 6 * You may obtain a copy of the License at
hemddabral 58:027c65a54097 7 *
hemddabral 58:027c65a54097 8 * http://www.apache.org/licenses/LICENSE-2.0
hemddabral 58:027c65a54097 9 *
hemddabral 58:027c65a54097 10 * Unless required by applicable law or agreed to in writing, software
hemddabral 58:027c65a54097 11 * distributed under the License is distributed on an "AS IS" BASIS,
hemddabral 58:027c65a54097 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
hemddabral 58:027c65a54097 13 * See the License for the specific language governing permissions and
hemddabral 58:027c65a54097 14 * limitations under the License.
hemddabral 58:027c65a54097 15 */
hemddabral 58:027c65a54097 16
hemddabral 58:027c65a54097 17 #include "Utils.h"
hemddabral 58:027c65a54097 18
hemddabral 58:027c65a54097 19 #if NEED_CONSOLE_OUTPUT
hemddabral 16:8aeb0c44869b 20 Serial pc(USBTX, USBRX);
hemddabral 16:8aeb0c44869b 21 #endif /* #if NEED_CONSOLE_OUTPUT */
hemddabral 58:027c65a54097 22
hemddabral 58:027c65a54097 23 /**************************************************************************/
hemddabral 12:a5d7db4a1e49 24 /*!
hemddabral 12:a5d7db4a1e49 25 @brief sets values of EN_HIGH_POWER and PA_LEVEL corresponding to dBMLevel of tx power
hemddabral 12:a5d7db4a1e49 26
hemddabral 12:a5d7db4a1e49 27 @returns value of tx power in dbm actually set
hemddabral 12:a5d7db4a1e49 28
hemddabral 12:a5d7db4a1e49 29 @params[in] dBMLevel
hemddabral 12:a5d7db4a1e49 30 dBMLevel of tx power to be set
hemddabral 12:a5d7db4a1e49 31
hemddabral 12:a5d7db4a1e49 32 @params[in] dBMLevel
hemddabral 12:a5d7db4a1e49 33 dBMLevel of tx power to be set
hemddabral 12:a5d7db4a1e49 34
hemddabral 12:a5d7db4a1e49 35 @endcode
hemddabral 12:a5d7db4a1e49 36 */
hemddabral 12:a5d7db4a1e49 37 /**************************************************************************/
hemddabral 58:027c65a54097 38 double getHighPowerAndPALevelValue(int8_t dBMLevel, int8_t& EN_HIGH_POWER, int8_t& PA_LEVEL) {
hemddabral 58:027c65a54097 39 double dbm = (double) dBMLevel;
hemddabral 58:027c65a54097 40 if(dbm<-18.0) {
hemddabral 58:027c65a54097 41 dbm = -18;
hemddabral 58:027c65a54097 42 EN_HIGH_POWER = 0;
hemddabral 58:027c65a54097 43 PA_LEVEL = 0;
hemddabral 58:027c65a54097 44 }
hemddabral 58:027c65a54097 45 else if(dbm>8.0) {
hemddabral 58:027c65a54097 46 dbm = 8;
hemddabral 58:027c65a54097 47 EN_HIGH_POWER = 1;
hemddabral 58:027c65a54097 48 PA_LEVEL = 7;
hemddabral 58:027c65a54097 49 }
hemddabral 58:027c65a54097 50
hemddabral 58:027c65a54097 51 // As a policy we are setting tx power level to the higher side
hemddabral 58:027c65a54097 52 if((dbm>-18.0) && (dbm<=-15)) {
hemddabral 58:027c65a54097 53 // set tx power to -15dBM
hemddabral 58:027c65a54097 54 EN_HIGH_POWER = 0;
hemddabral 58:027c65a54097 55 PA_LEVEL = 0;
hemddabral 58:027c65a54097 56 }
hemddabral 58:027c65a54097 57 else if((dbm>-15) && (dbm<=-14.7)) {
hemddabral 58:027c65a54097 58 // set tx power to -14.7dBM
hemddabral 58:027c65a54097 59 EN_HIGH_POWER = 0;
hemddabral 58:027c65a54097 60 PA_LEVEL = 1;
hemddabral 58:027c65a54097 61 }
hemddabral 58:027c65a54097 62 else if((dbm>-14.7) && (dbm<=-11.7)) {
hemddabral 58:027c65a54097 63 // set tx power to -11.7dBM
hemddabral 58:027c65a54097 64 EN_HIGH_POWER = 1;
hemddabral 58:027c65a54097 65 PA_LEVEL = 1;
hemddabral 58:027c65a54097 66 }
hemddabral 58:027c65a54097 67 else if((dbm>-11.7) && (dbm<=-11.4)) {
hemddabral 58:027c65a54097 68 // set tx power to -11.4dBM
hemddabral 58:027c65a54097 69 EN_HIGH_POWER = 0;
hemddabral 58:027c65a54097 70 PA_LEVEL = 2;
hemddabral 58:027c65a54097 71 }
hemddabral 58:027c65a54097 72 else if((dbm>-11.4) && (dbm<=-8.4)) {
hemddabral 58:027c65a54097 73 // set tx power to -8.4dBM
hemddabral 58:027c65a54097 74 EN_HIGH_POWER = 1;
hemddabral 58:027c65a54097 75 PA_LEVEL = 2;
hemddabral 58:027c65a54097 76 }
hemddabral 58:027c65a54097 77 else if((dbm>-8.4) && (dbm<=-8.1)) {
hemddabral 58:027c65a54097 78 // set tx power to -8.1dBM
hemddabral 58:027c65a54097 79 EN_HIGH_POWER = 0;
hemddabral 58:027c65a54097 80 PA_LEVEL = 3;
hemddabral 58:027c65a54097 81 }
hemddabral 58:027c65a54097 82 else if((dbm>-8.1) && (dbm<=-5.1)) {
hemddabral 58:027c65a54097 83 // set tx power to -5.1dBM
hemddabral 58:027c65a54097 84 EN_HIGH_POWER = 1;
hemddabral 58:027c65a54097 85 PA_LEVEL = 3;
hemddabral 58:027c65a54097 86 }
hemddabral 58:027c65a54097 87 else if((dbm>-5.1) && (dbm<=-4.9)) {
hemddabral 58:027c65a54097 88 // set tx power to -4.9dBM
hemddabral 58:027c65a54097 89 EN_HIGH_POWER = 0;
hemddabral 58:027c65a54097 90 PA_LEVEL = 4;
hemddabral 58:027c65a54097 91 }
hemddabral 58:027c65a54097 92 else if((dbm>-4.9) && (dbm<=-2.1)) {
hemddabral 58:027c65a54097 93 // set tx power to -2.1dBM
hemddabral 58:027c65a54097 94 EN_HIGH_POWER = 1;
hemddabral 58:027c65a54097 95 PA_LEVEL = 4;
hemddabral 58:027c65a54097 96 }
hemddabral 58:027c65a54097 97 else if((dbm>-2.1) && (dbm<=-1.6)) {
hemddabral 58:027c65a54097 98 // set tx power to -1.6dBM
hemddabral 58:027c65a54097 99 EN_HIGH_POWER = 0;
hemddabral 58:027c65a54097 100 PA_LEVEL = 5;
hemddabral 58:027c65a54097 101 }
hemddabral 58:027c65a54097 102 else if((dbm>-1.6) && (dbm<=1.4)) {
hemddabral 58:027c65a54097 103 // set tx power to -1.6dBM
hemddabral 58:027c65a54097 104 EN_HIGH_POWER = 1;
hemddabral 58:027c65a54097 105 PA_LEVEL = 5;
hemddabral 58:027c65a54097 106 }
hemddabral 58:027c65a54097 107 else if((dbm>1.4) && (dbm<=1.7)) {
hemddabral 58:027c65a54097 108 // set tx power to 1.7dBM
hemddabral 58:027c65a54097 109 EN_HIGH_POWER = 0;
hemddabral 58:027c65a54097 110 PA_LEVEL = 6;
hemddabral 58:027c65a54097 111 }
hemddabral 58:027c65a54097 112 else if((dbm>1.7) && (dbm<=4.7)) {
hemddabral 58:027c65a54097 113 // set tx power to 4.7dBM
hemddabral 58:027c65a54097 114 EN_HIGH_POWER = 1;
hemddabral 58:027c65a54097 115 PA_LEVEL = 6;
hemddabral 58:027c65a54097 116 }
hemddabral 58:027c65a54097 117 else if((dbm>4.7) && (dbm<=5.0)) {
hemddabral 58:027c65a54097 118 // set tx power to 5.0dBM
hemddabral 58:027c65a54097 119 EN_HIGH_POWER = 0;
hemddabral 58:027c65a54097 120 PA_LEVEL = 7;
hemddabral 58:027c65a54097 121 }
hemddabral 58:027c65a54097 122 else if((dbm>5.0) && (dbm<=8)) {
hemddabral 58:027c65a54097 123 // set tx power to 8.0dBM
hemddabral 58:027c65a54097 124 EN_HIGH_POWER = 1;
hemddabral 58:027c65a54097 125 PA_LEVEL = 7;
hemddabral 58:027c65a54097 126 }
hemddabral 58:027c65a54097 127
hemddabral 12:a5d7db4a1e49 128 return dbm;
hemddabral 12:a5d7db4a1e49 129 }