94 lines
3.9 KiB
C++
94 lines
3.9 KiB
C++
/*
|
|
Inkplate_SD_BMP example for e-radionica Inkplate6
|
|
For this example you will need a micro USB cable, Inkplate6 and a SD card loaded with
|
|
image1.bmp and image2.bmp file that can be found inside folder of this example.
|
|
Select "Inkplate 6(ESP32)" from Tools -> Board menu.
|
|
Don't have "Inkplate 6(ESP32)" option? Follow our tutorial and add it:
|
|
https://e-radionica.com/en/blog/add-inkplate-6-to-arduino-ide/
|
|
|
|
To work with SD card on Inkplate, you will need to add one extra library.
|
|
Download and install it from here: https://github.com/e-radionicacom/Inkplate-6-SDFat-Arduino-Library
|
|
|
|
You can open .bmp, .jpeg or .png files that have color depth of 1 bit (BW bitmap), 4 bit, 8 bit and
|
|
24 bit AND have resoluton smaller than 800x600 or otherwise it won't fit on screen.
|
|
Format your SD card in standard FAT fileformat.
|
|
|
|
This example will show you how you can read .bmp and .jpeg files (pictures) from SD card and
|
|
display that image on e-paper display.
|
|
|
|
Want to learn more about Inkplate? Visit www.inkplate.io
|
|
Looking to get support? Write on our forums: http://forum.e-radionica.com/en/
|
|
15 July 2020 by e-radionica.com
|
|
*/
|
|
|
|
#include "Inkplate.h" //Include Inkplate library to the sketch
|
|
#include "SdFat.h" //Include library for SD card
|
|
Inkplate display(INKPLATE_3BIT); // Create an object on Inkplate library and also set library into 1 Bit mode (BW)
|
|
SdFile file; // Create SdFile object used for accessing files on SD card
|
|
|
|
void setup()
|
|
{
|
|
Serial.begin(115200);
|
|
|
|
display.begin(); // Init Inkplate library (you should call this function ONLY ONCE)
|
|
display.clearDisplay(); // Clear frame buffer of display
|
|
display.display(); // Put clear image on display
|
|
|
|
// Init SD card. Display if SD card is init propery or not.
|
|
if (display.sdCardInit())
|
|
{
|
|
display.println("SD Card OK! Reading image...");
|
|
display.partialUpdate();
|
|
|
|
// If card is properly init, try to load image and display it on e-paper at position X=0, Y=0
|
|
// NOTE: Both drawImage methods allow for an optional fifth "invert" parameter. Setting this parameter
|
|
// to true will flip all colors on the image, making black white and white black. This may be necessary when
|
|
// exporting bitmaps from certain softwares.
|
|
if (!display.drawImage("image1.bmp", 0, 0, 1))
|
|
{
|
|
// If is something failed (wrong filename or wrong bitmap format), write error message on the screen.
|
|
// REMEMBER! You can only use Windows Bitmap file with color depth of 1, 4, 8 or 24 bits with no
|
|
// compression! You can turn of dithering for somewhat faster image load by changing the last 1 to 0, or
|
|
// removing the 1 argument completely
|
|
display.println("Image open error");
|
|
display.display();
|
|
}
|
|
display.display();
|
|
}
|
|
else
|
|
{
|
|
// If SD card init not success, display error on screen and stop the program (using infinite loop)
|
|
display.println("SD Card error!");
|
|
display.partialUpdate();
|
|
while (true)
|
|
;
|
|
}
|
|
delay(5000);
|
|
|
|
// Now try to load image using SdFat library class (for more advanced users) and display image on epaper.
|
|
if (file.open("image2.bmp", O_RDONLY))
|
|
{
|
|
display.drawBitmapFromSd(&file, 0, 0);
|
|
display.display();
|
|
}
|
|
|
|
display.clearDisplay();
|
|
delay(3000);
|
|
|
|
// Now draw a JPEG
|
|
if (!display.drawImage("pyramid.jpg", 100, 0, true, false))
|
|
{
|
|
// If is something failed (wrong filename or wrong format), write error message on the screen.
|
|
// You can turn off dithering for somewhat faster image load by changing the fifth parameter to false, or
|
|
// removing the parameter completely
|
|
display.println("Image open error");
|
|
display.display();
|
|
}
|
|
display.display();
|
|
}
|
|
|
|
void loop()
|
|
{
|
|
// Nothing...
|
|
}
|