Seich
/
TFT_eSPI
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

PartialMode support for ILI9163 

Support of partial mode, where only part of screen is active.  Can be use to reduce power consumption.
Based on ILI9163 datasheet:
https://www.rockbox.org/wiki/pub/Main/SonyNWZE370/ILI9163.pdf
This commit is contained in:
vanklompf 2018-02-01 23:14:16 +01:00
parent f3190fde71
commit 174fccf2bd
3 changed files with 43 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
TFT_Drivers/ILI9163_Defines.h
View File

@ -60,3 +60,7 @@
#define TFT_INVOFF 0x20
#define TFT_INVON 0x21
#define TFT_NORON 0x13 //normal mode
#define TFT_PTLON 0x12 //partial mode
#define TFT_PTLAR 0x30 //partial area

37
TFT_eSPI.cpp
View File

@ -3223,7 +3223,6 @@ uint8_t TFT_eSPI::color332(uint16_t c)
return ((c & 0xE000)>>8) | ((c & 0x0700)>>6) | ((c & 0x0018)>>3);
}
/***************************************************************************************
** Function name: invertDisplay
** Description: invert the display colours i = 1 invert, i = 0 normal
@ -3237,6 +3236,42 @@ void TFT_eSPI::invertDisplay(boolean i)
spi_end();
}
/***************************************************************************************
** Function name: setPartialMode
** Description: enables/disables "partial" mode, where only part of display is active
***************************************************************************************/
void TFT_eSPI::setPartialMode(bool mode)
{
#ifdef ILI9163_DRIVER
spi_begin();
writecommand(mode ? TFT_PTLON : TFT_NORON);
spi_end();
#endif
}
/***************************************************************************************
** Function name: setPartialWindow
** Description: sets active area for partial mode. Requires partial mode to be enabled.
** If endLine < startLine partial area will wrap at display edge
***************************************************************************************/
void TFT_eSPI::setPartialArea(int16_t startLine, int16_t endLine)
{
#ifdef ILI9163_DRIVER
if (rotation == 0 || rotation == 1)
{
startLine = _height_orig - startLine;
endLine = _height_orig - endLine;
}
spi_begin();
writecommand(TFT_PTLAR);
CS_L;
SPI.transfer16(startLine);
SPI.transfer16(endLine);
CS_H;
spi_end();
#endif
}
/***************************************************************************************
** Function name: write

3
TFT_eSPI.h
View File

@ -355,6 +355,9 @@ class TFT_eSPI : public Print {
setRotation(uint8_t r),
invertDisplay(boolean i),
setPartialMode(bool mode),
setPartialArea(int16_t startLine, int16_t endLine),
drawCircle(int32_t x0, int32_t y0, int32_t r, uint32_t color),
drawCircleHelper(int32_t x0, int32_t y0, int32_t r, uint8_t cornername, uint32_t color),