mirror of
https://github.com/kamilsss655/uv-k5-firmware-custom
synced 2024-11-22 19:18:56 +00:00
237 lines
7.0 KiB
C
237 lines
7.0 KiB
C
/* Copyright 2023 Dual Tachyon
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* https://github.com/DualTachyon
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "frequencies.h"
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#include "misc.h"
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#include "settings.h"
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// the BK4819 has 2 bands it covers, 18MHz ~ 630MHz and 760MHz ~ 1300MHz
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const freq_band_table_t BX4819_band1 = { 1800000, 63000000};
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const freq_band_table_t BX4819_band2 = {84000000, 130000000};
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const freq_band_table_t frequencyBandTable[7] =
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{
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#ifndef ENABLE_WIDE_RX
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// QS original
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{.lower = 5000000, .upper = 7600000},
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{.lower = 10800000, .upper = 13700000},
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{.lower = 13700000, .upper = 17400000},
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{.lower = 17400000, .upper = 35000000},
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{.lower = 35000000, .upper = 40000000},
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{.lower = 40000000, .upper = 47000000},
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{.lower = 47000000, .upper = 60000000}
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#else
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// extended range
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{.lower = BX4819_band1.lower, .upper = 10800000},
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{.lower = 10800000, .upper = 13700000},
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{.lower = 13700000, .upper = 17400000},
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{.lower = 17400000, .upper = 35000000},
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{.lower = 35000000, .upper = 40000000},
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{.lower = 40000000, .upper = 47000000},
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{.lower = 47000000, .upper = BX4819_band2.upper}
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#endif
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};
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#ifdef ENABLE_NOAA
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const uint32_t NoaaFrequencyTable[10] =
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{
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16255000,
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16240000,
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16247500,
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16242500,
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16245000,
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16250000,
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16252500,
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16152500,
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16177500,
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16327500
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};
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#endif
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const uint16_t gStepFrequencyTable[] = {
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250, 500, 625, 1000, 1250, 2500, 833,
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1, 5, 10, 25, 50, 100, 125, 1500, 3000, 5000, 10000, 12500, 25000, 50000
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};
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const uint8_t StepMatchedIndexes[] = {
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STEP_2_5kHz, STEP_5kHz, STEP_6_25kHz, STEP_10kHz, STEP_12_5kHz, STEP_25kHz, STEP_8_33kHz,
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STEP_0_01kHz, STEP_0_05kHz, STEP_0_1kHz, STEP_0_25kHz, STEP_0_5kHz, STEP_1kHz, STEP_1_25kHz,
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STEP_15kHz, STEP_30kHz, STEP_50kHz, STEP_100kHz, STEP_125kHz, STEP_250kHz, STEP_500kHz
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};
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const uint8_t StepSortedIndexes[] = {
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STEP_0_01kHz, STEP_0_05kHz, STEP_0_1kHz, STEP_0_25kHz, STEP_0_5kHz, STEP_1kHz, STEP_1_25kHz,
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STEP_2_5kHz, STEP_5kHz, STEP_6_25kHz, STEP_8_33kHz, STEP_10kHz, STEP_12_5kHz, STEP_15kHz,
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STEP_25kHz, STEP_30kHz, STEP_50kHz, STEP_100kHz, STEP_125kHz, STEP_250kHz, STEP_500kHz
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};
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uint8_t FREQUENCY_GetStepIdxFromSortedIdx(uint8_t sortedIdx)
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{
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return StepSortedIndexes[sortedIdx];
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}
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uint8_t FREQUENCY_GetSortedIdxFromStepIdx(uint8_t stepIdx)
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{
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for(uint8_t i = 0; i < ARRAY_SIZE(gStepFrequencyTable); i++)
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if(StepSortedIndexes[i] == stepIdx)
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return i;
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return 0;
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}
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uint8_t FREQUENCY_GetStepIdxFromStepFrequency(uint16_t stepFrequency)
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{
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for(uint8_t i = 0; i < ARRAY_SIZE(gStepFrequencyTable); i++)
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if(gStepFrequencyTable[i] == stepFrequency)
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return StepMatchedIndexes[i];
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return 0;
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}
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FREQUENCY_Band_t FREQUENCY_GetBand(uint32_t Frequency)
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{
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int band;
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for (band = ARRAY_SIZE(frequencyBandTable) - 1; band >= 0; band--)
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if (Frequency >= frequencyBandTable[band].lower)
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// if (Frequency < frequencyBandTable[band].upper)
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return (FREQUENCY_Band_t)band;
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return BAND1_50MHz;
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// return BAND_NONE;
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}
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uint8_t FREQUENCY_CalculateOutputPower(uint8_t TxpLow, uint8_t TxpMid, uint8_t TxpHigh, int32_t LowerLimit, int32_t Middle, int32_t UpperLimit, int32_t Frequency)
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{
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if (Frequency <= LowerLimit)
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return TxpLow;
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if (UpperLimit <= Frequency)
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return TxpHigh;
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if (Frequency <= Middle)
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{
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TxpMid += ((TxpMid - TxpLow) * (Frequency - LowerLimit)) / (Middle - LowerLimit);
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return TxpMid;
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}
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TxpMid += ((TxpHigh - TxpMid) * (Frequency - Middle)) / (UpperLimit - Middle);
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return TxpMid;
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}
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uint32_t FREQUENCY_RoundToStep(uint32_t freq, uint16_t step)
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{
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if(step == 833) {
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uint32_t base = freq/2500*2500;
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int chno = (freq - base) / 700; // convert entered aviation 8.33Khz channel number scheme to actual frequency.
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return base + (chno * 833) + (chno == 3);
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}
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if(step == 1)
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return freq;
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return (freq + (step + 1) / 2) / step * step;
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}
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int TX_freq_check(const uint32_t Frequency)
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{ // return '0' if TX frequency is allowed
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// otherwise return '-1'
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if (Frequency < frequencyBandTable[0].lower || Frequency > frequencyBandTable[ARRAY_SIZE(frequencyBandTable) - 1].upper)
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return -1; // not allowed outside this range
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if (Frequency >= BX4819_band1.upper && Frequency < BX4819_band2.lower)
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return -1; // BX chip does not work in this range
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switch (gSetting_F_LOCK)
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{
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case F_LOCK_DEF:
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if (Frequency >= frequencyBandTable[BAND3_137MHz].lower && Frequency < frequencyBandTable[BAND3_137MHz].upper)
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return 0;
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if (Frequency >= frequencyBandTable[BAND4_174MHz].lower && Frequency < frequencyBandTable[BAND4_174MHz].upper)
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if (gSetting_200TX)
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return 0;
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if (Frequency >= frequencyBandTable[BAND5_350MHz].lower && Frequency < frequencyBandTable[BAND5_350MHz].upper)
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if (gSetting_350TX && gSetting_350EN)
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return 0;
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if (Frequency >= frequencyBandTable[BAND6_400MHz].lower && Frequency < frequencyBandTable[BAND6_400MHz].upper)
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return 0;
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if (Frequency >= frequencyBandTable[BAND7_470MHz].lower && Frequency <= 60000000)
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if (gSetting_500TX)
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return 0;
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break;
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case F_LOCK_FCC:
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if (Frequency >= 14400000 && Frequency < 14800000)
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return 0;
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if (Frequency >= 42000000 && Frequency < 45000000)
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return 0;
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break;
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case F_LOCK_CE:
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if (Frequency >= 14400000 && Frequency < 14600000)
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return 0;
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if (Frequency >= 43000000 && Frequency < 44000000)
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return 0;
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break;
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case F_LOCK_GB:
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if (Frequency >= 14400000 && Frequency < 14800000)
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return 0;
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if (Frequency >= 43000000 && Frequency < 44000000)
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return 0;
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break;
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case F_LOCK_430:
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if (Frequency >= frequencyBandTable[BAND3_137MHz].lower && Frequency < 17400000)
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return 0;
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if (Frequency >= 40000000 && Frequency < 43000000)
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return 0;
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break;
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case F_LOCK_438:
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if (Frequency >= frequencyBandTable[BAND3_137MHz].lower && Frequency < 17400000)
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return 0;
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if (Frequency >= 40000000 && Frequency < 43800000)
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return 0;
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break;
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case F_LOCK_ALL:
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break;
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}
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// dis-allowed TX frequency
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return -1;
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}
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int RX_freq_check(const uint32_t Frequency)
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{ // return '0' if RX frequency is allowed
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// otherwise return '-1'
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if (Frequency < RX_freq_min() || Frequency > frequencyBandTable[ARRAY_SIZE(frequencyBandTable) - 1].upper)
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return -1;
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if (Frequency >= BX4819_band1.upper && Frequency < BX4819_band2.lower)
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return -1;
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return 0; // OK frequency
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}
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uint32_t RX_freq_min()
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{
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return gEeprom.RX_OFFSET >= frequencyBandTable[0].lower ? 0 : frequencyBandTable[0].lower - gEeprom.RX_OFFSET;
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}
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uint32_t Band_freq_min(FREQUENCY_Band_t Band)
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{
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return gEeprom.RX_OFFSET >= frequencyBandTable[Band].lower ? 0 : frequencyBandTable[Band].lower - gEeprom.RX_OFFSET;
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} |