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move invert display and setaddrwindow to superclass

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This commit is contained in:
ladyada 2018-07-14 02:02:02 -04:00
parent 7667d32f75
commit 0d06686d45
2 changed files with 31 additions and 1 deletions
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25
Adafruit_SPITFT.cpp
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@ -164,6 +164,24 @@ void Adafruit_SPITFT::spiWrite(uint8_t b) {
* Transaction API
* */
void Adafruit_SPITFT::setAddrWindow(uint16_t x, uint16_t y, uint16_t w, uint16_t h) {
x += _xstart;
y += _ystart;
uint32_t xa = ((uint32_t)x << 16) | (x+w-1);
uint32_t ya = ((uint32_t)y << 16) | (y+h-1);
//Serial.print("X: "); Serial.println(xa, HEX);
//Serial.print("Y: "); Serial.println(ya, HEX);
writeCommand(xSetCommand); // Column addr set
SPI_WRITE32(xa);
writeCommand(ySetCommand); // Row addr set
SPI_WRITE32(ya);
writeCommand(RAMwriteCommand); // write to RAM
}
void inline Adafruit_SPITFT::startWrite(void){
SPI_BEGIN_TRANSACTION();
SPI_CS_LOW();
@ -297,6 +315,13 @@ void Adafruit_SPITFT::fillRect(int16_t x, int16_t y, int16_t w, int16_t h,
endWrite();
}
void Adafruit_SPITFT::invertDisplay(boolean i) {
startWrite();
writeCommand(i ? invertOnCommand : invertOffCommand);
endWrite();
}
// Adapted from https://github.com/PaulStoffregen/ILI9341_t3
// by Marc MERLIN. See examples/pictureEmbed to use this.
// 5/6/2017: function name and arguments have changed for compatibility

7
Adafruit_SPITFT.h
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@ -42,7 +42,7 @@ class Adafruit_SPITFT : public Adafruit_GFX {
void writeFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
// Transaction API not used by GFX
virtual void setAddrWindow(uint16_t x, uint16_t y, uint16_t w, uint16_t h) = 0;
void setAddrWindow(uint16_t x, uint16_t y, uint16_t w, uint16_t h);
void writePixel(uint16_t color);
void writePixels(uint16_t * colors, uint32_t len);
void writeColor(uint16_t color, uint32_t len);
@ -56,6 +56,7 @@ class Adafruit_SPITFT : public Adafruit_GFX {
using Adafruit_GFX::drawRGBBitmap; // Check base class first
void drawRGBBitmap(int16_t x, int16_t y,
uint16_t *pcolors, int16_t w, int16_t h);
void invertDisplay(boolean i);
uint16_t color565(uint8_t r, uint8_t g, uint8_t b);
@ -75,6 +76,10 @@ class Adafruit_SPITFT : public Adafruit_GFX {
void writeCommand(uint8_t cmd);
void spiWrite(uint8_t v);
uint8_t spiRead(void);
uint8_t invertOnCommand = 0, invertOffCommand = 0;
uint8_t ySetCommand, xSetCommand, RAMwriteCommand;
int16_t _xstart = 0, _ystart = 0;
};
#endif