forked from mirror/uv-k5-firmware
41 lines
1.0 KiB
C
41 lines
1.0 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 <ctype.h>
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#include "dtmf.h"
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bool DTMF_ValidateCodes(char *pCode, uint8_t Size)
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{
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uint8_t i;
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if (pCode[0] == 0xFF || pCode[0] == 0) {
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return false;
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}
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for (i = 0; i < Size; i++) {
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if (pCode[i] == 0xFF || pCode[i] == 0) {
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pCode[i] = 0;
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break;
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}
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if (!isdigit((int)pCode[i]) && (pCode[i] < 'A' || pCode[i] > 'D') && pCode[i] != '*' && pCode[i] != '#') {
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return false;
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}
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}
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return true;
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}
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