il3820_sleepWake.c

/*
 * @file il3820_sleepWake.c
 *
 * @author Matthew Matz & Roy Eltham
 *
 * @version 0.5
 *
 * @copyright Copyright (C) Parallax, Inc. 2018.  See end of file for
 * terms of use (MIT License).
 *
 * @brief Waveshare ePaper display bitmap driver, see il3820_h. for documentation.
 *
 * @detail Please submit bug reports, suggestions, and improvements to
 * this code to editor@parallax.com.
 */


#include "il3820.h"
#include "simpletools.h"


void il3820_sleepDisplay(screen_t *dev) 
{
  int mask_cs =  (1 << dev->dev_id);
  int mask_sdi = (1 << dev->sdi_pin);
  int mask_clk = (1 << dev->clk_pin);
  int mask_dc =  (1 << dev->dc_pin);

  il3820_writeLockSet(dev->dev_id);
  il3820_spiWrite(mask_cs, mask_sdi, mask_clk, mask_dc, IL3820_DEEP_SLEEP_MODE, 0);
  il3820_spiWrite(mask_cs, mask_sdi, mask_clk, mask_dc, 1, 1);      
  il3820_writeLockClear(dev->dev_id);
}  

void il3820_wakeDisplay(screen_t *dev) 
{
  il3820_writeLockSet(dev->dev_id);
  il3820_resetDisplay(dev);
  il3820_writeLockClear(dev->dev_id);
}