kopia lustrzana https://github.com/meshtastic/firmware
80 wiersze
2.6 KiB
C++
80 wiersze
2.6 KiB
C++
#pragma once
|
|
|
|
#ifdef USE_EINK
|
|
|
|
#include "GxEPD2_BW.h"
|
|
#include <OLEDDisplay.h>
|
|
|
|
/**
|
|
* An adapter class that allows using the GxEPD2 library as if it was an OLEDDisplay implementation.
|
|
*
|
|
* Note: EInkDynamicDisplay derives from this class.
|
|
*
|
|
* Remaining TODO:
|
|
* optimize display() to only draw changed pixels (see other OLED subclasses for examples)
|
|
* implement displayOn/displayOff to turn off the TFT device (and backlight)
|
|
* Use the fast NRF52 SPI API rather than the slow standard arduino version
|
|
*
|
|
* turn radio back on - currently with both on spi bus is fucked? or are we leaving chip select asserted?
|
|
* Suggestion: perhaps similar to HELTEC_WIRELESS_PAPER issue, which resolved with rtc_gpio_hold_dis()
|
|
*/
|
|
class EInkDisplay : public OLEDDisplay
|
|
{
|
|
/// How often should we update the display
|
|
/// thereafter we do once per 5 minutes
|
|
uint32_t slowUpdateMsec = 5 * 60 * 1000;
|
|
|
|
public:
|
|
/* constructor
|
|
FIXME - the parameters are not used, just a temporary hack to keep working like the old displays
|
|
*/
|
|
EInkDisplay(uint8_t, int, int, OLEDDISPLAY_GEOMETRY, HW_I2C);
|
|
|
|
// Write the buffer to the display memory (for eink we only do this occasionally)
|
|
virtual void display(void) override;
|
|
|
|
/**
|
|
* Force a display update if we haven't drawn within the specified msecLimit
|
|
*
|
|
* @return true if we did draw the screen
|
|
*/
|
|
virtual bool forceDisplay(uint32_t msecLimit = 1000);
|
|
|
|
/**
|
|
* Run any code needed to complete an update, after the physical refresh has completed.
|
|
* Split from forceDisplay(), to enable async refresh in derived EInkDynamicDisplay class.
|
|
*
|
|
*/
|
|
virtual void endUpdate();
|
|
|
|
/**
|
|
* shim to make the abstraction happy
|
|
*
|
|
*/
|
|
void setDetected(uint8_t detected);
|
|
|
|
protected:
|
|
// the header size of the buffer used, e.g. for the SPI command header
|
|
virtual int getBufferOffset(void) override { return 0; }
|
|
|
|
// Send a command to the display (low level function)
|
|
virtual void sendCommand(uint8_t com) override;
|
|
|
|
// Connect to the display
|
|
virtual bool connect() override;
|
|
|
|
// AdafruitGFX display object - instantiated in connect(), variant specific
|
|
GxEPD2_BW<EINK_DISPLAY_MODEL, EINK_DISPLAY_MODEL::HEIGHT> *adafruitDisplay = NULL;
|
|
|
|
// If display uses HSPI
|
|
#if defined(HELTEC_WIRELESS_PAPER) || defined(HELTEC_WIRELESS_PAPER_V1_0) || defined(HELTEC_VISION_MASTER_E213) || \
|
|
defined(HELTEC_VISION_MASTER_E290) || defined(TLORA_T3S3_EPAPER)
|
|
SPIClass *hspi = NULL;
|
|
#endif
|
|
|
|
private:
|
|
// FIXME quick hack to limit drawing to a very slow rate
|
|
uint32_t lastDrawMsec = 0;
|
|
};
|
|
|
|
#endif |