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SSD1681 is an Active Matrix EPD display driver with controller for Red/Black/White EPD displays.It consists of 200 source outputs, 200 gate outputs, 1 VCOM and 1VBD (for border), which can support displays with resolution up to 200x200.In the SSD1681, data and commands are sent from MCU through hardware selectable serial peripheral interface.It has embedded booster, regulator and oscillator which is suitable for EPD display applications.
LibDriver SSD1681 is the full function driver of SSD1681 launched by LibDriver.It provides the functions of drawing single point, filling block, image display, etc. LibDriver is MISRA compliant.
/src includes LibDriver SSD1681 source files.
/interface includes LibDriver SSD1681 SPI platform independent template.
/test includes LibDriver SSD1681 driver test code and this code can test the chip necessary function simply.
/example includes LibDriver SSD1681 sample code.
/doc includes LibDriver SSD1681 offline document.
/datasheet includes SSD1681 datasheet.
/project includes the common Linux and MCU development board sample code. All projects use the shell script to debug the driver and the detail instruction can be found in each project's README.md.
/misra includes the LibDriver MISRA code scanning results.
Reference /interface SPI platform independent template and finish your platform SPI driver.
Add the /src directory, the interface driver for your platform, and your own drivers to your project, if you want to use the default example drivers, add the /example directory to your project.
You can refer to the examples in the /example directory to complete your own driver. If you want to use the default programming examples, here's how to use them.
The image extraction format is as follows and every pixel stored in one byte.
#include "driver_ssd1681_basic.h"
uint8_t data;
char str[] = "test";
uint8_t g_image[40000];
/* basic init */
if (ssd1681_basic_init() != 0)
{
(void)ssd1681_basic_deinit();
return 1;
}
/* clear the red color */
if (ssd1681_basic_clear(SSD1681_COLOR_RED) != 0)
{
(void)ssd1681_basic_deinit();
return 1;
}
/* clear the black color */
if (ssd1681_basic_clear(SSD1681_COLOR_BLACK) != 0)
{
(void)ssd1681_basic_deinit();
return 1;
}
...
/* basic string */
if (ssd1681_basic_string(SSD1681_COLOR_RED, 0, 0, str, (uint16_t)strlen(str), 1, SSD1681_FONT_16) != 0)
{
(void)ssd1681_basic_deinit();
return 1;
}
...
/* basic point read */
if (ssd1681_basic_read_point(SSD1681_COLOR_RED, 16, 16, &data) != 0)
{
(void)ssd1681_basic_deinit();
return 1;
}
...
/* basic write point */
if (ssd1681_basic_write_point(SSD1681_COLOR_BLACK, 20, 20, 1) != 0)
{
(void)ssd1681_basic_deinit();
return 1;
}
...
/* basic write rect */
if (ssd1681_basic_rect(SSD1681_COLOR_BLACK, 0, 0, 32, 32), 1) != 0)
{
(void)ssd1681_basic_deinit();
return 1;
}
...
/* basic draw the picture */
if (ssd1681_basic_picture(SSD1681_COLOR_BLACK, 0, 0, 200, 200, g_image) != 0)
{
(void)ssd1681_basic_deinit();
return 1;
}
/* basic deinit */
if (ssd1681_basic_deinit() != 0)
{
return 1;
}
return 0;Online documents: https://www.libdriver.com/docs/ssd1681/index.html.
Offline documents: /doc/html/index.html.
Please refer to CONTRIBUTING.md.
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