60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
/*
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Copyright 2018 Sam Stevens
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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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*/
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#include <Arduino.h>
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#include "ShiftOutput.h"
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ShiftOutput::ShiftOutput(uint8_t enablePin, uint8_t clkPin, uint8_t rClkPin, uint8_t dataPin) {
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this->enablePin = enablePin;
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this->clkPin = clkPin;
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this->rClkPin = rClkPin;
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this->dataPin = dataPin;
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pinMode(enablePin, OUTPUT);
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digitalWrite(enablePin, HIGH);
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pinMode(clkPin, OUTPUT);
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digitalWrite(clkPin, LOW);
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pinMode(rClkPin, OUTPUT);
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digitalWrite(rClkPin, LOW);
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pinMode(dataPin, OUTPUT);
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digitalWrite(dataPin, LOW);
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}
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void ShiftOutput::enable() {
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digitalWrite(this->enablePin, LOW);
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}
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void ShiftOutput::disable() {
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digitalWrite(this->enablePin, HIGH);
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}
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void ShiftOutput::output(uint8_t data, bool clockOutput) {
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shiftOut(this->dataPin, this->clkPin, LSBFIRST, data);
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if (clockOutput) {
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this->clockOutput();
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}
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}
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void ShiftOutput::output16(uint16_t data, bool clockOutput) {
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shiftOut(this->dataPin, this->clkPin, LSBFIRST, data & 0xFF);
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shiftOut(this->dataPin, this->clkPin, LSBFIRST, (data >> 8));
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if (clockOutput) {
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this->clockOutput();
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}
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}
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void ShiftOutput::clockOutput() {
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digitalWrite(this->rClkPin, HIGH);
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digitalWrite(this->rClkPin, LOW);
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}
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