custom-uv-k5-firmware/dtmf.c
2023-08-29 21:38:28 +01:00

136 lines
2.5 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 "driver/eeprom.h"
#include "dtmf.h"
#include "misc.h"
#include "settings.h"
char gDTMF_String[15];
bool DTMF_ValidateCodes(char *pCode, uint8_t Size)
{
uint8_t 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(uint8_t Index, char *pContact)
{
EEPROM_ReadBuffer(0x1C00 + (Index * 0x10), pContact, 16);
if ((pContact[0] - ' ') >= 0x5F) {
return false;
}
return true;
}
bool DTMF_FindContact(const char *pContact, char *pResult)
{
char Contact [16];
uint8_t i, j;
for (i = 0; i < 16; i++) {
if (!DTMF_GetContact(i, Contact)) {
return false;
}
for (j = 0; j < 3; j++) {
if (pContact[j] != Contact[j + 8]) {
break;
}
}
if (j == 3) {
memcpy(pResult, Contact, 8);
pResult[8] = 0;
return true;
}
}
return false;
}
char DTMF_GetCharacter(uint8_t Code)
{
switch(Code) {
case 0: case 1: case 2: case 3:
case 4: case 5: case 6: case 7:
case 8: case 9:
return '0' + (char)Code;
case 10:
return 'A';
case 11:
return 'B';
case 12:
return 'C';
case 13:
return 'D';
case 14:
return '*';
case 15:
return '#';
}
return 0xFF;
}
bool DTMF_CompareMessage(const char *pDTMF, const char *pTemplate, uint8_t Size, bool bFlag)
{
uint8_t i;
for (i = 0; i < Size; i++) {
if (pDTMF[i] != pTemplate[i]) {
if (!bFlag || pDTMF[i] != gEeprom.DTMF_GROUP_CALL_CODE) {
return false;
}
g_20000439 = true;
}
}
return true;
}
bool DTMF_IsGroupCall(const char *pDTMF, uint32_t Size)
{
uint32_t i;
for (i = 0; i < Size; i++) {
if (pDTMF[i] == gEeprom.DTMF_GROUP_CALL_CODE) {
break;
}
}
if (i != Size) {
return true;
}
return false;
}