uv-k5-firmware-custom/app/dtmf.c

374 lines
8.5 KiB
C

/* 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.
*/
#include <string.h>
#include <stdio.h> // NULL
#ifdef ENABLE_FMRADIO
#include "app/fm.h"
#endif
#include "app/scanner.h"
#include "bsp/dp32g030/gpio.h"
#include "driver/bk4819.h"
#include "driver/eeprom.h"
#include "driver/gpio.h"
#include "driver/system.h"
#include "dtmf.h"
#include "external/printf/printf.h"
#include "misc.h"
#include "settings.h"
#include "ui/ui.h"
char gDTMF_String[15];
char gDTMF_InputBox[15];
char gDTMF_Received[16];
uint8_t gDTMF_WriteIndex = 0;
uint8_t gDTMF_PreviousIndex = 0;
uint8_t gDTMF_RecvTimeout = 0;
char gDTMF_ReceivedSaved[17];
uint8_t gDTMF_RecvTimeoutSaved = 0;
bool gIsDtmfContactValid;
char gDTMF_ID[4];
char gDTMF_Caller[4];
char gDTMF_Callee[4];
DTMF_State_t gDTMF_State;
bool gDTMF_DecodeRing;
uint8_t gDTMF_DecodeRingCountdown_500ms;
uint8_t gDTMFChosenContact;
uint8_t gDTMF_AUTO_RESET_TIME;
uint8_t gDTMF_InputIndex;
bool gDTMF_InputMode;
DTMF_CallState_t gDTMF_CallState;
DTMF_ReplyState_t gDTMF_ReplyState;
DTMF_CallMode_t gDTMF_CallMode;
bool gDTMF_IsTx;
uint8_t gDTMF_TxStopCountdown_500ms;
bool gDTMF_IsGroupCall;
bool DTMF_ValidateCodes(char *pCode, uint8_t Size)
{
unsigned int i;
if (pCode[0] == 0xFF || pCode[0] == 0)
return false;
for (i = 0; i < Size; i++)
{
if (pCode[i] == 0xFF || pCode[i] == 0)
{
pCode[i] = 0;
break;
}
if ((pCode[i] < '0' || pCode[i] > '9') && (pCode[i] < 'A' || pCode[i] > 'D') && pCode[i] != '*' && pCode[i] != '#')
return false;
}
return true;
}
bool DTMF_GetContact(const int Index, char *pContact)
{
int i = -1;
if (Index >= 0 && Index < MAX_DTMF_CONTACTS && pContact != NULL)
{
EEPROM_ReadBuffer(0x1C00 + (Index * 16), pContact, 16);
i = (int)pContact[0] - ' ';
}
return (i < 0 || i >= 95) ? false : true;
}
bool DTMF_FindContact(const char *pContact, char *pResult)
{
char Contact[16];
unsigned int i;
for (i = 0; i < MAX_DTMF_CONTACTS; i++)
{
unsigned int j;
if (!DTMF_GetContact(i, Contact))
return false;
for (j = 0; j < 3; j++)
if (pContact[j] != Contact[j + 8])
break;
if (j == 3)
{
memmove(pResult, Contact, 8);
pResult[8] = 0;
return true;
}
}
return false;
}
char DTMF_GetCharacter(const uint8_t code)
{
const char list[] = "0123456789ABCD*#";
return (code < ARRAY_SIZE(list)) ? list[code] : 0xFF;
}
bool DTMF_CompareMessage(const char *pMsg, const char *pTemplate, uint8_t Size, bool bCheckGroup)
{
unsigned int i;
for (i = 0; i < Size; i++)
{
if (pMsg[i] != pTemplate[i])
{
if (!bCheckGroup || pMsg[i] != gEeprom.DTMF_GROUP_CALL_CODE)
return false;
gDTMF_IsGroupCall = true;
}
}
return true;
}
bool DTMF_CheckGroupCall(const char *pMsg, uint32_t Size)
{
uint32_t i;
for (i = 0; i < Size; i++)
if (pMsg[i] == gEeprom.DTMF_GROUP_CALL_CODE)
break;
return (i != Size) ? true : false;
}
void DTMF_Append(char Code)
{
if (gDTMF_InputIndex == 0)
{
memset(gDTMF_InputBox, '-', sizeof(gDTMF_InputBox));
gDTMF_InputBox[sizeof(gDTMF_InputBox) - 1] = 0;
}
else
if (gDTMF_InputIndex >= sizeof(gDTMF_InputBox))
return;
gDTMF_InputBox[gDTMF_InputIndex++] = Code;
}
void DTMF_HandleRequest(void)
{
char String[20];
uint8_t Offset;
if (!gDTMF_RequestPending)
return;
gDTMF_RequestPending = false;
if (gScanState != SCAN_OFF || gCssScanMode != CSS_SCAN_MODE_OFF)
return;
if (!gRxVfo->DTMF_DECODING_ENABLE && !gSetting_KILLED)
return;
if (gDTMF_WriteIndex >= 9)
{
Offset = gDTMF_WriteIndex - 9;
sprintf(String, "%s%c%s", gEeprom.ANI_DTMF_ID, gEeprom.DTMF_SEPARATE_CODE, gEeprom.KILL_CODE);
if (DTMF_CompareMessage(gDTMF_Received + Offset, String, 9, true))
{
if (gEeprom.PERMIT_REMOTE_KILL)
{
gSetting_KILLED = true;
SETTINGS_SaveSettings();
gDTMF_ReplyState = DTMF_REPLY_AB;
#ifdef ENABLE_FMRADIO
if (gFmRadioMode)
{
FM_TurnOff();
GUI_SelectNextDisplay(DISPLAY_MAIN);
}
#endif
}
else
{
gDTMF_ReplyState = DTMF_REPLY_NONE;
}
gDTMF_CallState = DTMF_CALL_STATE_NONE;
gUpdateDisplay = true;
gUpdateStatus = true;
return;
}
sprintf(String, "%s%c%s", gEeprom.ANI_DTMF_ID, gEeprom.DTMF_SEPARATE_CODE, gEeprom.REVIVE_CODE);
if (DTMF_CompareMessage(gDTMF_Received + Offset, String, 9, true))
{
gSetting_KILLED = false;
SETTINGS_SaveSettings();
gDTMF_ReplyState = DTMF_REPLY_AB;
gDTMF_CallState = DTMF_CALL_STATE_NONE;
gUpdateDisplay = true;
gUpdateStatus = true;
return;
}
}
if (gDTMF_WriteIndex >= 2)
{
if (DTMF_CompareMessage(gDTMF_Received + (gDTMF_WriteIndex - 2), "AB", 2, true))
{
gDTMF_State = DTMF_STATE_TX_SUCC;
gUpdateDisplay = true;
return;
}
}
if (gDTMF_CallState == DTMF_CALL_STATE_CALL_OUT && gDTMF_CallMode == DTMF_CALL_MODE_NOT_GROUP && gDTMF_WriteIndex >= 9)
{
Offset = gDTMF_WriteIndex - 9;
sprintf(String, "%s%c%s", gDTMF_String, gEeprom.DTMF_SEPARATE_CODE, "AAAAA");
if (DTMF_CompareMessage(gDTMF_Received + Offset, String, 9, false))
{
gDTMF_State = DTMF_STATE_CALL_OUT_RSP;
gUpdateDisplay = true;
}
}
if (gSetting_KILLED || gDTMF_CallState != DTMF_CALL_STATE_NONE)
return;
if (gDTMF_WriteIndex >= 7)
{
Offset = gDTMF_WriteIndex - 7;
sprintf(String, "%s%c", gEeprom.ANI_DTMF_ID, gEeprom.DTMF_SEPARATE_CODE);
gDTMF_IsGroupCall = false;
if (DTMF_CompareMessage(gDTMF_Received + Offset, String, 4, true))
{
gDTMF_CallState = DTMF_CALL_STATE_RECEIVED;
memmove(gDTMF_Callee, gDTMF_Received + Offset + 0, 3);
memmove(gDTMF_Caller, gDTMF_Received + Offset + 4, 3);
gUpdateDisplay = true;
switch (gEeprom.DTMF_DECODE_RESPONSE)
{
case 3:
gDTMF_DecodeRing = true;
gDTMF_DecodeRingCountdown_500ms = DTMF_decode_ring_countdown_500ms;
// Fallthrough
case 2:
gDTMF_ReplyState = DTMF_REPLY_AAAAA;
break;
case 1:
gDTMF_DecodeRing = true;
gDTMF_DecodeRingCountdown_500ms = DTMF_decode_ring_countdown_500ms;
break;
default:
gDTMF_DecodeRing = false;
gDTMF_ReplyState = DTMF_REPLY_NONE;
break;
}
if (gDTMF_IsGroupCall)
gDTMF_ReplyState = DTMF_REPLY_NONE;
}
}
}
void DTMF_Reply(void)
{
uint16_t Delay;
char String[20];
const char *pString = NULL;
switch (gDTMF_ReplyState)
{
case DTMF_REPLY_NONE:
return;
case DTMF_REPLY_ANI:
if (gDTMF_CallMode == DTMF_CALL_MODE_DTMF)
{
pString = gDTMF_String;
}
else
{ // append our ID code onto the end of the DTMF code to send
sprintf(String, "%s%c%s", gDTMF_String, gEeprom.DTMF_SEPARATE_CODE, gEeprom.ANI_DTMF_ID);
pString = String;
}
break;
case DTMF_REPLY_AB:
pString = "AB";
break;
case DTMF_REPLY_AAAAA:
sprintf(String, "%s%c%s", gEeprom.ANI_DTMF_ID, gEeprom.DTMF_SEPARATE_CODE, "AAAAA");
pString = String;
break;
default:
if (gDTMF_CallState != DTMF_CALL_STATE_NONE || (gCurrentVfo->DTMF_PTT_ID_TX_MODE != PTT_ID_BOT && gCurrentVfo->DTMF_PTT_ID_TX_MODE != PTT_ID_BOTH))
{
gDTMF_ReplyState = DTMF_REPLY_NONE;
return;
}
pString = gEeprom.DTMF_UP_CODE;
break;
}
gDTMF_ReplyState = DTMF_REPLY_NONE;
if (pString == NULL)
return;
Delay = gEeprom.DTMF_PRELOAD_TIME;
if (gEeprom.DTMF_SIDE_TONE)
{
GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
gEnableSpeaker = true;
Delay = (gEeprom.DTMF_PRELOAD_TIME < 60) ? 60 : gEeprom.DTMF_PRELOAD_TIME;
}
SYSTEM_DelayMs(Delay);
BK4819_EnterDTMF_TX(gEeprom.DTMF_SIDE_TONE);
BK4819_PlayDTMFString(
pString,
1,
gEeprom.DTMF_FIRST_CODE_PERSIST_TIME,
gEeprom.DTMF_HASH_CODE_PERSIST_TIME,
gEeprom.DTMF_CODE_PERSIST_TIME,
gEeprom.DTMF_CODE_INTERVAL_TIME);
GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
gEnableSpeaker = false;
BK4819_ExitDTMF_TX(false);
}