mirror of
https://github.com/DualTachyon/uv-k5-firmware.git
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405 lines
9.2 KiB
C
405 lines
9.2 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 <string.h>
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#include "app/fm.h"
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#include "audio.h"
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#include "bsp/dp32g030/gpio.h"
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#include "driver/bk1080.h"
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#include "driver/eeprom.h"
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#include "driver/gpio.h"
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#include "misc.h"
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#include "settings.h"
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#include "ui/inputbox.h"
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#include "ui/ui.h"
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extern void APP_StartScan(bool bFlag);
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extern void APP_SwitchToFM(void);
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uint16_t gFM_Channels[20];
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bool gFmRadioMode;
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bool FM_CheckValidChannel(uint8_t Channel)
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{
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if (Channel < 20 && (gFM_Channels[Channel] >= 760 && gFM_Channels[Channel] < 1080)) {
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return true;
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}
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return false;
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}
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uint8_t FM_FindNextChannel(uint8_t Channel, uint8_t Direction)
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{
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uint8_t i;
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for (i = 0; i < 20; i++) {
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if (Channel == 0xFF) {
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Channel = 19;
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} else if (Channel >= 20) {
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Channel = 0;
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}
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if (FM_CheckValidChannel(Channel)) {
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return Channel;
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}
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Channel += Direction;
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}
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return 0xFF;
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}
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int FM_ConfigureChannelState(void)
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{
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uint8_t Channel;
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gEeprom.FM_FrequencyToPlay = gEeprom.FM_CurrentFrequency;
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if (gEeprom.FM_IsChannelSelected) {
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Channel = FM_FindNextChannel(gEeprom.FM_CurrentChannel, FM_CHANNEL_UP);
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if (Channel == 0xFF) {
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gEeprom.FM_IsChannelSelected = false;
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return -1;
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}
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gEeprom.FM_CurrentChannel = Channel;
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gEeprom.FM_FrequencyToPlay = gFM_Channels[Channel];
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}
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return 0;
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}
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void FM_TurnOff(void)
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{
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gFmRadioMode = false;
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gFM_Step = 0;
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g_2000038E = 0;
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GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
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g_2000036B = 0;
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BK1080_Init(0, false);
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gUpdateStatus = true;
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}
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void FM_EraseChannels(void)
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{
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uint8_t i;
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uint8_t Template[8];
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memset(Template, 0xFF, sizeof(Template));
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for (i = 0; i < 5; i++) {
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EEPROM_WriteBuffer(0x0E40 + (i * 8), Template);
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}
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memset(gFM_Channels, 0xFF, sizeof(gFM_Channels));
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}
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void FM_Tune(uint16_t Frequency, int8_t Step, bool bFlag)
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{
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GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
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g_2000036B = 0;
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if (gFM_Step == 0) {
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gFmPlayCountdown = 120;
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} else {
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gFmPlayCountdown = 10;
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}
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gScheduleFM = false;
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g_20000427 = 0;
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gAskToSave = false;
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gAskToDelete = false;
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gEeprom.FM_FrequencyToPlay = Frequency;
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if (!bFlag) {
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Frequency += Step;
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if (Frequency < gEeprom.FM_LowerLimit) {
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Frequency = gEeprom.FM_UpperLimit;
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} else if (Frequency > gEeprom.FM_UpperLimit) {
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Frequency = gEeprom.FM_LowerLimit;
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}
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gEeprom.FM_FrequencyToPlay = Frequency;
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}
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gFM_Step = Step;
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BK1080_SetFrequency(gEeprom.FM_FrequencyToPlay);
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}
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void FM_Play(void)
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{
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gFM_Step = 0;
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if (gFM_AutoScan) {
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gEeprom.FM_IsChannelSelected = true;
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gEeprom.FM_CurrentChannel = 0;
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}
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FM_ConfigureChannelState();
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BK1080_SetFrequency(gEeprom.FM_FrequencyToPlay);
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SETTINGS_SaveFM();
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gFmPlayCountdown = 0;
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gScheduleFM = false;
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gAskToSave = false;
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
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g_2000036B = 1;
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}
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int FM_CheckFrequencyLock(uint16_t Frequency, uint16_t LowerLimit)
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{
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uint16_t SNR;
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int16_t Deviation;
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uint16_t RSSI;
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int ret = -1;
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SNR = BK1080_ReadRegister(BK1080_REG_07);
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// This cast fails to extend the sign because ReadReg is guaranteed to be U16.
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Deviation = (int16_t)SNR >> 4;
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if ((SNR & 0xF) < 2) {
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goto Bail;
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}
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RSSI = BK1080_ReadRegister(BK1080_REG_10);
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if (RSSI & 0x1000 || (RSSI & 0xFF) < 10) {
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goto Bail;
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}
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if (Deviation < 280 || Deviation > 3815) {
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if ((LowerLimit < Frequency) && (Frequency - g_20000362) == 1) {
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if (gFM_FrequencyDeviation & 0x800) {
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goto Bail;
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}
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if (gFM_FrequencyDeviation < 20) {
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goto Bail;
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}
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}
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if ((LowerLimit <= Frequency) && (g_20000362 - Frequency) == 1) {
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if ((gFM_FrequencyDeviation & 0x800) == 0) {
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goto Bail;
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}
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if (4075 < gFM_FrequencyDeviation) {
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goto Bail;
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}
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}
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ret = 0;
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}
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Bail:
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gFM_FrequencyDeviation = (uint16_t)Deviation;
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g_20000362 = Frequency;
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return ret;
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}
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void FM_Key_DIGITS(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
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{
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if (!bKeyHeld && bKeyPressed) {
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if (!gWasFKeyPressed) {
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uint8_t Value;
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if (gAskToDelete) {
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gBeepToPlay = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
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return;
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}
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if (gAskToSave) {
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Value = 2;
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} else {
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if (gFM_Step) {
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gBeepToPlay = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
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return;
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}
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if (gEeprom.FM_IsChannelSelected) {
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Value = 1;
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} else {
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Value = 0;
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}
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}
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INPUTBOX_Append(Key);
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gRequestDisplayScreen = DISPLAY_FM;
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if (Value == 0) {
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if (gInputBoxIndex == 1) {
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if (1 < gInputBox[0]) {
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gInputBox[1] = gInputBox[0];
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gInputBox[0] = 0;
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gInputBoxIndex = 2;
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}
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} else if (3 < gInputBoxIndex) {
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uint32_t Frequency;
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gInputBoxIndex = 0;
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NUMBER_Get(gInputBox, &Frequency);
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Frequency = Frequency / 10000;
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if (Frequency < gEeprom.FM_LowerLimit || gEeprom.FM_UpperLimit < Frequency) {
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gBeepToPlay = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
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gRequestDisplayScreen = DISPLAY_FM;
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return;
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}
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gEeprom.FM_CurrentFrequency = (uint16_t)Frequency;
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gAnotherVoiceID = (VOICE_ID_t)Key;
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gEeprom.FM_FrequencyToPlay = gEeprom.FM_CurrentFrequency;
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BK1080_SetFrequency(gEeprom.FM_FrequencyToPlay);
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gRequestSaveFM = true;
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return;
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}
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} else if (gInputBoxIndex == 2) {
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uint8_t Channel;
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gInputBoxIndex = 0;
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Channel = ((gInputBox[0] * 10) + gInputBox[1]) - 1;
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if (Value == 1) {
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if (FM_CheckValidChannel(Channel)) {
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gAnotherVoiceID = (VOICE_ID_t)Key;
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gEeprom.FM_CurrentChannel = Channel;
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gEeprom.FM_FrequencyToPlay = gFM_Channels[Channel];
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BK1080_SetFrequency(gEeprom.FM_FrequencyToPlay);
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gRequestSaveFM = true;
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return;
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}
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} else if (Channel < 20) {
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gAnotherVoiceID = (VOICE_ID_t)Key;
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gRequestDisplayScreen = DISPLAY_FM;
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gInputBoxIndex = 0;
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gFM_ScanFoundIndex = Channel;
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return;
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}
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gBeepToPlay = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
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return;
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}
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gAnotherVoiceID = (VOICE_ID_t)Key;
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return;
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}
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gBeepToPlay = BEEP_1KHZ_60MS_OPTIONAL;
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gWasFKeyPressed = false;
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gUpdateStatus = true;
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gRequestDisplayScreen = DISPLAY_FM;
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switch (Key) {
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case KEY_0:
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APP_SwitchToFM();
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break;
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case KEY_1:
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gEeprom.FM_IsChannelSelected = !gEeprom.FM_IsChannelSelected;
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if (!FM_ConfigureChannelState()) {
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BK1080_SetFrequency(gEeprom.FM_FrequencyToPlay);
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gRequestSaveFM = true;
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return;
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}
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gBeepToPlay = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
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break;
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case KEY_2:
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APP_StartScan(true);
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break;
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case KEY_3:
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APP_StartScan(false);
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break;
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default:
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gBeepToPlay = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
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break;
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}
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}
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}
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void FM_Key_EXIT(bool bKeyPressed, bool bKeyHeld)
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{
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if (bKeyHeld) {
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return;
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}
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if (!bKeyPressed) {
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return;
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}
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gBeepToPlay = BEEP_1KHZ_60MS_OPTIONAL;
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if (gFM_Step == 0) {
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if (gInputBoxIndex == 0) {
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if (!gAskToSave && !gAskToDelete) {
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APP_SwitchToFM();
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return;
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}
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gAskToSave = false;
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gAskToDelete = false;
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} else {
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gInputBoxIndex--;
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gInputBox[gInputBoxIndex] = 10;
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if (gInputBoxIndex) {
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if (gInputBoxIndex != 1) {
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gRequestDisplayScreen = DISPLAY_FM;
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return;
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}
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if (gInputBox[0] != 0) {
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gRequestDisplayScreen = DISPLAY_FM;
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return;
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}
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}
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gInputBoxIndex = 0;
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}
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gAnotherVoiceID = VOICE_ID_CANCEL;
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} else {
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FM_Play();
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gAnotherVoiceID = VOICE_ID_SCANNING_STOP;
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}
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gRequestDisplayScreen = DISPLAY_FM;
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}
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void FM_Key_UP_DOWN(bool bKeyPressed, bool bKeyHeld, int8_t Step)
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{
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if (bKeyHeld || !bKeyPressed) {
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if (gInputBoxIndex) {
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return;
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}
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if (!bKeyPressed) {
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return;
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}
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} else {
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if (gInputBoxIndex) {
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gBeepToPlay = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
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return;
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}
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gBeepToPlay = BEEP_1KHZ_60MS_OPTIONAL;
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}
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if (gAskToSave) {
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gRequestDisplayScreen = DISPLAY_FM;
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gFM_ScanFoundIndex = NUMBER_AddWithWraparound(gFM_ScanFoundIndex, Step, 0, 19);
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return;
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}
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if (gFM_Step) {
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if (gFM_AutoScan) {
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gBeepToPlay = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
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return;
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}
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FM_Tune(gEeprom.FM_FrequencyToPlay, Step, false);
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gRequestDisplayScreen = DISPLAY_FM;
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return;
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}
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if (gEeprom.FM_IsChannelSelected) {
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uint8_t Channel;
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Channel = FM_FindNextChannel(gEeprom.FM_CurrentChannel + Step, Step);
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if (Channel == 0xFF || gEeprom.FM_CurrentChannel == Channel) {
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goto Bail;
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}
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gEeprom.FM_CurrentChannel = Channel;
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gEeprom.FM_FrequencyToPlay = gFM_Channels[Channel];
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} else {
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uint16_t Frequency;
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Frequency = gEeprom.FM_CurrentFrequency + Step;
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if (Frequency < gEeprom.FM_LowerLimit) {
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Frequency = gEeprom.FM_UpperLimit;
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} else if (Frequency > gEeprom.FM_UpperLimit) {
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Frequency = gEeprom.FM_LowerLimit;
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}
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gEeprom.FM_FrequencyToPlay = Frequency;
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gEeprom.FM_CurrentFrequency = gEeprom.FM_FrequencyToPlay;
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}
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gRequestSaveFM = true;
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Bail:
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BK1080_SetFrequency(gEeprom.FM_FrequencyToPlay);
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gRequestDisplayScreen = DISPLAY_FM;
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}
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