用于waveshare 2.9 e ink的ESP8266驱动程序

#define CS D8
#define EPD_CS_0    digitalWrite(CS,LOW)
#define EPD_CS_1    digitalWrite(CS,HIGH)
#define isEPD_CS  digitalRead(CS)

#define RST D3
#define EPD_RST_0   digitalWrite(RST,LOW)
#define EPD_RST_1   digitalWrite(RST,HIGH)
#define isEPD_RST digitalRead(RST)

#define DC D2
#define EPD_DC_0    digitalWrite (DC,LOW)
#define EPD_DC_1    digitalWrite (DC,HIGH)

#define BUSY D1
#define isEPD_BUSY digitalRead(BUSY)
#define EPD_BUSY_LEVEL 0

extern void SPI_Write(unsigned char value);
extern void driver_delay_xms(unsigned long xms);
#endif