/* Copyright 2023 Dual Tachyon
 * https://github.com/DualTachyon
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *     Unless required by applicable law or agreed to in writing, software
 *     distributed under the License is distributed on an "AS IS" BASIS,
 *     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *     See the License for the specific language governing permissions and
 *     limitations under the License.
 */

#ifndef AUDIO_H
#define AUDIO_H

#include <stdbool.h>
#include <stdint.h>

enum BEEP_Type_t {
	BEEP_1KHZ_60MS_OPTIONAL = 1U,
	BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL = 2U,
	BEEP_440HZ_500MS = 3U,
	BEEP_500HZ_60MS_DOUBLE_BEEP = 4U,
};

typedef enum BEEP_Type_t BEEP_Type_t;

enum {
	VOICE_ID_CHI_BASE		= 0x10U,
	VOICE_ID_ENG_BASE		= 0x60U,
};

enum VOICE_ID_t {
	VOICE_ID_0			= 0x00U,
	VOICE_ID_1			= 0x01U,
	VOICE_ID_2			= 0x02U,
	VOICE_ID_3			= 0x03U,
	VOICE_ID_4			= 0x04U,
	VOICE_ID_5			= 0x05U,
	VOICE_ID_6			= 0x06U,
	VOICE_ID_7			= 0x07U,
	VOICE_ID_8			= 0x08U,
	VOICE_ID_9			= 0x09U,
	VOICE_ID_10			= 0x0AU,
	VOICE_ID_100			= 0x0BU,
	VOICE_ID_WELCOME		= 0x0CU,
	VOICE_ID_LOCK			= 0x0DU,
	VOICE_ID_UNLOCK			= 0x0EU,
	VOICE_ID_SCANNING_BEGIN		= 0x0FU,
	VOICE_ID_SCANNING_STOP		= 0x10U,
	VOICE_ID_SCRAMBLER_ON		= 0x11U,
	VOICE_ID_SCRAMBLER_OFF		= 0x12U,
	VOICE_ID_FUNCTION		= 0x13U,
	VOICE_ID_CTCSS			= 0x14U,
	VOICE_ID_DCS			= 0x15U,
	VOICE_ID_POWER			= 0x16U,
	VOICE_ID_SAVE_MODE		= 0x17U,
	VOICE_ID_MEMORY_CHANNEL		= 0x18U,
	VOICE_ID_DELETE_CHANNEL		= 0x19U,
	VOICE_ID_FREQUENCY_STEP		= 0x1AU,
	VOICE_ID_SQUELCH		= 0x1BU,
	VOICE_ID_TRANSMIT_OVER_TIME	= 0x1CU,
	VOICE_ID_BACKLIGHT_SELECTION	= 0x1DU,
	VOICE_ID_VOX			= 0x1EU,
	VOICE_ID_FREQUENCY_DIRECTION	= 0x1FU,
	VOICE_ID_OFFSET_FREQUENCY	= 0x20U,
	VOICE_ID_TRANSMITING_MEMORY	= 0x21U,
	VOICE_ID_RECEIVING_MEMORY	= 0x22U,
	VOICE_ID_EMERGENCY_CALL		= 0x23U,
	VOICE_ID_LOW_VOLTAGE		= 0x24U,
	VOICE_ID_CHANNEL_MODE		= 0x25U,
	VOICE_ID_FREQUENCY_MODE		= 0x26U,
	VOICE_ID_VOICE_PROMPT		= 0x27U,
	VOICE_ID_BAND_SELECTION		= 0x28U,
	VOICE_ID_DUAL_STANDBY		= 0x29U,
	VOICE_ID_CHANNEL_BANDWIDTH	= 0x2AU,
	VOICE_ID_OPTIONAL_SIGNAL	= 0x2BU,
	VOICE_ID_MUTE_MODE		= 0x2CU,
	VOICE_ID_BUSY_LOCKOUT		= 0x2DU,
	VOICE_ID_BEEP_PROMPT		= 0x2EU,
	VOICE_ID_ANI_CODE		= 0x2FU,
	VOICE_ID_INITIALISATION		= 0x30U,
	VOICE_ID_CONFIRM		= 0x31U,
	VOICE_ID_CANCEL			= 0x32U,
	VOICE_ID_ON			= 0x33U,
	VOICE_ID_OFF			= 0x34U,
	VOICE_ID_2_TONE			= 0x35U,
	VOICE_ID_5_TONE			= 0x36U,
	VOICE_ID_DIGITAL_SIGNAL		= 0x37U,
	VOICE_ID_REPEATER		= 0x38U,
	VOICE_ID_MENU			= 0x39U,
	VOICE_ID_11			= 0x3AU,
	VOICE_ID_12			= 0x3BU,
	VOICE_ID_13			= 0x3CU,
	VOICE_ID_14			= 0x3DU,
	VOICE_ID_15			= 0x3EU,
	VOICE_ID_16			= 0x3FU,
	VOICE_ID_17			= 0x40U,
	VOICE_ID_18			= 0x41U,
	VOICE_ID_19			= 0x42U,
	VOICE_ID_20			= 0x43U,
	VOICE_ID_30			= 0x44U,
	VOICE_ID_40			= 0x45U,
	VOICE_ID_50			= 0x46U,
	VOICE_ID_60			= 0x47U,
	VOICE_ID_70			= 0x48U,
	VOICE_ID_80			= 0x49U,
	VOICE_ID_90			= 0x4AU,
	VOICE_ID_END			= 0x4BU,

	VOICE_ID_INVALID		= 0xFFU,
};

typedef enum VOICE_ID_t VOICE_ID_t;

extern VOICE_ID_t gVoiceID[8];
extern uint8_t gVoiceReadIndex;
extern uint8_t gVoiceWriteIndex;
extern volatile uint16_t gCountdownToPlayNextVoice;
extern volatile bool gFlagPlayQueuedVoice;
extern VOICE_ID_t gAnotherVoiceID;
extern BEEP_Type_t gBeepToPlay;

void AUDIO_PlayBeep(BEEP_Type_t Beep);
void AUDIO_PlayVoice(uint8_t VoiceID);
void AUDIO_PlaySingleVoice(bool bFlag);
void AUDIO_SetVoiceID(uint8_t Index, VOICE_ID_t VoiceID);
uint8_t AUDIO_SetDigitVoice(uint8_t Index, uint16_t Value);
void AUDIO_PlayQueuedVoice(void);

#endif