86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
/* Arduino SSD1306Ascii Library
|
|
* Copyright (C) 2015 by William Greiman
|
|
*
|
|
* This file is part of the Arduino SSD1306Ascii Library
|
|
*
|
|
* This Library is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This Library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with the Arduino SSD1306Ascii Library. If not, see
|
|
* <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/**
|
|
* @file SSD1306AsciiSoftSpi.h
|
|
* @brief Class for software SPI displays.
|
|
*/
|
|
#ifndef SSD1306AsciiSoftSpi_h
|
|
#define SSD1306AsciiSoftSpi_h
|
|
|
|
#include "SSD1306Ascii.h"
|
|
#include "utility/DigitalOutput.h"
|
|
/**
|
|
* @class SSD1306AsciiSoftSpi
|
|
* @brief Class for SPI displays using software SPI.
|
|
*/
|
|
class SSD1306AsciiSoftSpi : public SSD1306Ascii {
|
|
public:
|
|
/**
|
|
* @brief Initialize the display controller.
|
|
*
|
|
* @param[in] dev A device initialization structure.
|
|
* @param[in] cs The display controller chip select pin.
|
|
* @param[in] dc The display controller cdata/command pin.
|
|
* @param[in] clk The SPI clock pin.
|
|
* @param[in] data The SPI MOSI pin.
|
|
*/
|
|
void begin(const DevType* dev, uint8_t cs, uint8_t dc, uint8_t clk, uint8_t data) {
|
|
m_csPin.begin(cs);
|
|
m_dcPin.begin(dc);
|
|
m_clkPin.begin(clk);
|
|
m_dataPin.begin(data);
|
|
init(dev);
|
|
}
|
|
/**
|
|
* @brief Initialize the display controller.
|
|
*
|
|
* @param[in] dev A device initialization structure.
|
|
* @param[in] cs The display controller chip select pin.
|
|
* @param[in] dc The display controller cdata/command pin.
|
|
* @param[in] clk The SPI clock pin.
|
|
* @param[in] data The SPI MOSI pin.
|
|
* @param[in] rst The display controller reset pin.
|
|
*/
|
|
void begin(const DevType* dev, uint8_t cs, uint8_t dc, uint8_t clk, uint8_t data, uint8_t rst) {
|
|
pinMode(rst, OUTPUT);
|
|
digitalWrite(rst, LOW);
|
|
delay(10);
|
|
digitalWrite(rst, HIGH);
|
|
delay(10);
|
|
begin(dev, cs, dc, clk, data);
|
|
}
|
|
protected:
|
|
void writeDisplay(uint8_t b, uint8_t mode) {
|
|
m_dcPin.write(mode != SSD1306_MODE_CMD);
|
|
m_csPin.write(LOW);
|
|
for (uint8_t m = 0X80; m; m >>= 1) {
|
|
m_clkPin.write(LOW);
|
|
m_dataPin.write(m & b);
|
|
m_clkPin.write(HIGH);
|
|
}
|
|
m_csPin.write(HIGH);
|
|
}
|
|
private:
|
|
DigitalOutput m_csPin;
|
|
DigitalOutput m_dcPin;
|
|
DigitalOutput m_clkPin;
|
|
DigitalOutput m_dataPin;
|
|
};
|
|
#endif // SSD1306AsciiSoftSpi_h
|