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+#include "EPD_1in54r.h"
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+#include "Debug.h"
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+
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+const unsigned char EPD_1IN54R_lut_vcom0[] = {0x0E, 0x14, 0x01, 0x0A, 0x06, 0x04, 0x0A, 0x0A, 0x0F, 0x03, 0x03, 0x0C, 0x06, 0x0A, 0x00};
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+const unsigned char EPD_1IN54R_lut_w[] = {0x0E, 0x14, 0x01, 0x0A, 0x46, 0x04, 0x8A, 0x4A, 0x0F, 0x83, 0x43, 0x0C, 0x86, 0x0A, 0x04};
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+const unsigned char EPD_1IN54R_lut_b[] = {0x0E, 0x14, 0x01, 0x8A, 0x06, 0x04, 0x8A, 0x4A, 0x0F, 0x83, 0x43, 0x0C, 0x06, 0x4A, 0x04};
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+const unsigned char EPD_1IN54R_lut_g1[] = {0x8E, 0x94, 0x01, 0x8A, 0x06, 0x04, 0x8A, 0x4A, 0x0F, 0x83, 0x43, 0x0C, 0x06, 0x0A, 0x04};
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+const unsigned char EPD_1IN54R_lut_g2[] = {0x8E, 0x94, 0x01, 0x8A, 0x06, 0x04, 0x8A, 0x4A, 0x0F, 0x83, 0x43, 0x0C, 0x06, 0x0A, 0x04};
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+const unsigned char EPD_1IN54R_lut_vcom1[] = {0x03, 0x1D, 0x01, 0x01, 0x08, 0x23, 0x37, 0x37, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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+const unsigned char EPD_1IN54R_lut_red0[] = {0x83, 0x5D, 0x01, 0x81, 0x48, 0x23, 0x77, 0x77, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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+const unsigned char EPD_1IN54R_lut_red1[] = {0x03, 0x1D, 0x01, 0x01, 0x08, 0x23, 0x37, 0x37, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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+
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+/******************************************************************************
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+function : Software reset
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+parameter:
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+******************************************************************************/
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+static void EPD_1IN54R_Reset(void)
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+{
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+ DEV_Digital_Write(EPD_RST_PIN, 1);
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+ DEV_Delay_ms(100);
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+ DEV_Digital_Write(EPD_RST_PIN, 0);
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+ DEV_Delay_ms(2);
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+ DEV_Digital_Write(EPD_RST_PIN, 1);
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+ DEV_Delay_ms(100);
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+}
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+
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+/******************************************************************************
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+function : send command
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+parameter:
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+ Reg : Command register
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+******************************************************************************/
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+static void EPD_1IN54R_SendCommand(UBYTE Reg)
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+{
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+ DEV_Digital_Write(EPD_DC_PIN, 0);
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+ DEV_Digital_Write(EPD_CS_PIN, 0);
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+ DEV_SPI_WriteByte(Reg);
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+ DEV_Digital_Write(EPD_CS_PIN, 1);
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+}
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+
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+/******************************************************************************
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+function : send data
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+parameter:
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+ Data : Write data
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+******************************************************************************/
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+static void EPD_1IN54R_SendData(UBYTE Data)
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+{
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+ DEV_Digital_Write(EPD_DC_PIN, 1);
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+ DEV_Digital_Write(EPD_CS_PIN, 0);
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+ DEV_SPI_WriteByte(Data);
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+ DEV_Digital_Write(EPD_CS_PIN, 1);
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+}
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+
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+/******************************************************************************
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+function : Wait until the busy_pin goes LOW
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+parameter:
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+******************************************************************************/
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+static void EPD_1IN54R_ReadBusy(void)
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+{
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+ EPD_Busy_WaitUntil(1,0);
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+}
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+
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+/******************************************************************************
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+function : Set the look-up black and white tables
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+parameter:
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+******************************************************************************/
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+static void EPD_1IN54R_SetLutBw(void)
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+{
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+ UWORD count;
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+ EPD_1IN54R_SendCommand(0x20);// g vcom
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+ for(count = 0; count < 15; count++) {
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+ EPD_1IN54R_SendData(EPD_1IN54R_lut_vcom0[count]);
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+ }
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+ EPD_1IN54R_SendCommand(0x21);// g ww --
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+ for(count = 0; count < 15; count++) {
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+ EPD_1IN54R_SendData(EPD_1IN54R_lut_w[count]);
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+ }
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+ EPD_1IN54R_SendCommand(0x22);// g bw r
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+ for(count = 0; count < 15; count++) {
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+ EPD_1IN54R_SendData(EPD_1IN54R_lut_b[count]);
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+ }
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+ EPD_1IN54R_SendCommand(0x23);// g wb w
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+ for(count = 0; count < 15; count++) {
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+ EPD_1IN54R_SendData(EPD_1IN54R_lut_g1[count]);
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+ }
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+ EPD_1IN54R_SendCommand(0x24);// g bb b
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+ for(count = 0; count < 15; count++) {
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+ EPD_1IN54R_SendData(EPD_1IN54R_lut_g2[count]);
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+ }
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+}
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+
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+/******************************************************************************
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+function : Set the look-up red tables
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+parameter:
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+******************************************************************************/
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+static void EPD_1IN54R_SetLutRed(void)
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+{
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+ UWORD count;
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+ EPD_1IN54R_SendCommand(0x25);
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+ for(count = 0; count < 15; count++) {
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+ EPD_1IN54R_SendData(EPD_1IN54R_lut_vcom1[count]);
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+ }
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+ EPD_1IN54R_SendCommand(0x26);
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+ for(count = 0; count < 15; count++) {
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+ EPD_1IN54R_SendData(EPD_1IN54R_lut_red0[count]);
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+ }
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+ EPD_1IN54R_SendCommand(0x27);
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+ for(count = 0; count < 15; count++) {
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+ EPD_1IN54R_SendData(EPD_1IN54R_lut_red1[count]);
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+ }
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+}
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+
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+/******************************************************************************
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+function : Initialize the e-Paper register
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+parameter:
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+******************************************************************************/
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+void EPD_1IN54R_Init(UBYTE mode)
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+{
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+ EPD_1IN54R_Reset();
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+
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+ EPD_1IN54R_SendCommand(0x01);// POWER_SETTING
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+ EPD_1IN54R_SendData(0x07);
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+ EPD_1IN54R_SendData(0x00);
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+ EPD_1IN54R_SendData(0x08);
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+ EPD_1IN54R_SendData(0x00);
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+ EPD_1IN54R_SendCommand(0x06);// BOOSTER_SOFT_START
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+ EPD_1IN54R_SendData(0x07);
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+ EPD_1IN54R_SendData(0x07);
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+ EPD_1IN54R_SendData(0x07);
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+ EPD_1IN54R_SendCommand(0x04);// POWER_ON
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+
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+ EPD_1IN54R_ReadBusy();
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+
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+ EPD_1IN54R_SendCommand(0X00);// PANEL_SETTING
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+ EPD_1IN54R_SendData(0xcf);
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+ EPD_1IN54R_SendCommand(0X50);// VCOM_AND_DATA_INTERVAL_SETTING
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+ EPD_1IN54R_SendData(0x37);// 0xF0
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+ EPD_1IN54R_SendCommand(0x30);// PLL_CONTROL
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+ EPD_1IN54R_SendData(0x39);
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+ EPD_1IN54R_SendCommand(0x61);// TCON_RESOLUTION set x and y
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+ EPD_1IN54R_SendData(0x98);// 152
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+ EPD_1IN54R_SendData(0x00);// y High eight: 0
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+ EPD_1IN54R_SendData(0x98);// y Low eight: 152
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+ EPD_1IN54R_SendCommand(0x82);// VCM_DC_SETTING_REGISTER
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+ EPD_1IN54R_SendData(0x0E);
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+
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+ EPD_1IN54R_SetLutBw();
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+ EPD_1IN54R_SetLutRed();
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+}
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+
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+/******************************************************************************
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+function : Clear screen
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+parameter:
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+******************************************************************************/
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+void EPD_1IN54R_Clear(void)
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+{
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+ UWORD Width, Height;
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+ Width = (EPD_1IN54R_WIDTH % 8 == 0)? (EPD_1IN54R_WIDTH / 8 ): (EPD_1IN54R_WIDTH / 8 + 1);
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+ Height = EPD_1IN54R_HEIGHT;
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+
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+ //send black data
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+ EPD_1IN54R_SendCommand(0x10);// DATA_START_TRANSMISSION_1
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+ DEV_Delay_ms(2);
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+ for(UWORD i = 0; i < Height; i++) {
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+ for(UWORD i = 0; i < Width; i++) {
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+ EPD_1IN54R_SendData(0xFF);
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+ EPD_1IN54R_SendData(0xFF);
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+ }
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+ }
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+ DEV_Delay_ms(2);
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+
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+ //send red data
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+ EPD_1IN54R_SendCommand(0x13);// DATA_START_TRANSMISSION_2
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+ DEV_Delay_ms(2);
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+ for(UWORD i = 0; i < Height; i++) {
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+ for(UWORD i = 0; i < Width; i++) {
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+ EPD_1IN54R_SendData(0xFF);
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+ }
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+ }
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+ DEV_Delay_ms(2);
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+
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+ EPD_1IN54R_SendCommand(0x12);// DISPLAY_REFRESH
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+ EPD_1IN54R_ReadBusy();
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+}
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+
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+/******************************************************************************
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+function : Sends the image buffer in RAM to e-Paper and displays
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+parameter:
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+******************************************************************************/
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+void EPD_1IN54R_Display(const UBYTE *blackimage, const UBYTE *redimage)
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+{
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+ UBYTE Temp = 0x00;
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+ UWORD Width, Height;
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+ Width = (EPD_1IN54R_WIDTH % 8 == 0)? (EPD_1IN54R_WIDTH / 8 ): (EPD_1IN54R_WIDTH / 8 + 1);
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+ Height = EPD_1IN54R_HEIGHT;
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+
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+ EPD_1IN54R_SendCommand(0x10);// DATA_START_TRANSMISSION_1
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+ for (UWORD j = 0; j < Height; j++) {
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+ for (UWORD i = 0; i < Width; i++) {
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+ EPD_1IN54R_SendData(blackimage[i + j * Width]);
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+ }
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+ }
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+ DEV_Delay_ms(2);
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+
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+ EPD_1IN54R_SendCommand(0x13);// DATA_START_TRANSMISSION_2
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+ for (UWORD j = 0; j < Height; j++) {
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+ for (UWORD i = 0; i < Width; i++) {
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+ EPD_1IN54R_SendData(redimage[i + j * Width]);
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+ }
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+ }
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+ DEV_Delay_ms(2);
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+
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+ //Display refresh
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+ EPD_1IN54R_SendCommand(0x12);// DISPLAY_REFRESH
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+ EPD_1IN54R_ReadBusy();
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+}
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+
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+/******************************************************************************
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+function : Enter sleep mode
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+parameter:
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+******************************************************************************/
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+void EPD_1IN54R_Sleep(void)
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+{
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+ EPD_1IN54R_SendCommand(0x02);
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+ EPD_1IN54R_ReadBusy();
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+ EPD_1IN54R_SendCommand(0x07);
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+ EPD_1IN54R_SendData(0xa5);
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+}
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