Files
ESP32epdx/examples/WiFi-EPD/EpdAllWiFi_Arduino/Display_EPD_W21_spi.cpp
gooddisplayshare 06aec9f226 v1.0.9
2025-12-17 08:59:59 +08:00

26 lines
468 B
C++

#include "Display_EPD_W21_spi.h"
#include <SPI.h>
//SPI write byte
void SPI_Write(unsigned char value)
{
SPI.transfer(value);
}
//SPI write command
void EPD_W21_WriteCMD(unsigned char command)
{
EPD_W21_CS_0;
EPD_W21_DC_0; // D/C# 0:command 1:data
SPI_Write(command);
EPD_W21_CS_1;
}
//SPI write data
void EPD_W21_WriteDATA(unsigned char datas)
{
EPD_W21_CS_0;
EPD_W21_DC_1; // D/C# 0:command 1:data
SPI_Write(datas);
EPD_W21_CS_1;
}