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87 lines
2.6 KiB
87 lines
2.6 KiB
3 years ago
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/* SevSeg Library
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Copyright 2017 Dean Reading
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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This library allows an Arduino to easily display numbers in decimal format on
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a 7-segment display without a separate 7-segment display controller.
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Direct any questions or suggestions to deanreading@hotmail.com
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See the included readme for instructions.
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*/
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#ifndef MAXNUMDIGITS
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#define MAXNUMDIGITS 8 // Can be increased, but the max number is 2^31
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#endif
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#ifndef SevSeg_h
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#define SevSeg_h
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#if defined(ARDUINO) && ARDUINO >= 100
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#include "Arduino.h"
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#else
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#include "WProgram.h"
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#endif
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// Use defines to link the hardware configurations to the correct numbers
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#define COMMON_CATHODE 0
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#define COMMON_ANODE 1
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#define N_TRANSISTORS 2
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#define P_TRANSISTORS 3
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#define NP_COMMON_CATHODE 1
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#define NP_COMMON_ANODE 0
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class SevSeg
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{
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public:
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SevSeg();
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void refreshDisplay();
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void begin(byte hardwareConfig, byte numDigitsIn, byte digitPinsIn[],
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byte segmentPinsIn[], bool resOnSegmentsIn=0,
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bool updateWithDelaysIn=0, bool leadingZerosIn=0);
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void setBrightness(int brightnessIn); // A number from 0..100
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void setNumber(long numToShow, char decPlaces=-1, bool hex=0);
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void setNumber(unsigned long numToShow, char decPlaces=-1, bool hex=0);
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void setNumber(int numToShow, char decPlaces=-1, bool hex=0);
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void setNumber(unsigned int numToShow, char decPlaces=-1, bool hex=0);
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void setNumber(char numToShow, char decPlaces=-1, bool hex=0);
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void setNumber(byte numToShow, char decPlaces=-1, bool hex=0);
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void setNumber(float numToShow, char decPlaces=-1, bool hex=0);
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void setSegments(byte segs[]);
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void setChars(char str[]);
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void blank(void);
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private:
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void setNewNum(long numToShow, char decPlaces, bool hex=0);
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void findDigits(long numToShow, char decPlaces, bool hex, byte digits[]);
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void setDigitCodes(byte nums[], char decPlaces);
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bool digitOn,digitOff,segmentOn,segmentOff;
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bool resOnSegments, updateWithDelays, leadingZeros;
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byte digitPins[MAXNUMDIGITS];
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byte segmentPins[8];
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byte numDigits;
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byte prevUpdateIdx;
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byte digitCodes[MAXNUMDIGITS];
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int ledOnTime;
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unsigned long prevUpdateTime;
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};
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#endif //SevSeg_h
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/// END ///
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