55 wiersze
2.0 KiB
C
55 wiersze
2.0 KiB
C
/*
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* MIT License
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*
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* Copyright (c) 2020 DigitalConfections
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef MORSE_H_
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#define MORSE_H_
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#include "defs.h"
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#define PROCESSSOR_CLOCK_HZ (16000000L)
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#define WPM_TO_MS_PER_DOT(w) (1200/(w))
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#define THROTTLE_VAL_FROM_WPM(w) (PROCESSSOR_CLOCK_HZ / 8000000L) * ((7042 / (w)) / 10)
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/*
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*/
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typedef struct {
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uint8_t pattern;
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uint8_t lengthInSymbols;
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uint8_t lengthInElements;
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} MorseCharacter;
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/**
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Load a string to send by passing in a pointer to the string in the argument.
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Call this function with a NULL argument at intervals of 1 element of time to generate Morse code.
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Once loaded with a string each call to this function returns a BOOL indicating whether a CW carrier should be sent
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*/
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BOOL makeMorse(char* s, BOOL* repeating, BOOL* finished);
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/**
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Returns the number of milliseconds required to send the string pointed to by the first argument at the WPM code speed
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passed in the second argument.
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*/
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uint16_t timeRequiredToSendStrAtWPM(char* str, uint16_t spd);
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#endif /* MORSE_H_ */ |