301 lines
8.6 KiB
C
301 lines
8.6 KiB
C
/*****************************************************************************
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* | File : EPD_7in3f.c
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* | Author : Waveshare team
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* | Function : 7.3inch e-Paper (F) Driver
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* | Info :
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*----------------
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* | This version: V1.0
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* | Date : 2022-10-20
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* | Info :
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* -----------------------------------------------------------------------------
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documnetation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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******************************************************************************/
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#include "EPD_7in3f.h"
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#include "Debug.h"
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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_7IN3F_Reset(void)
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{
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DEV_Digital_Write(EPD_RST_PIN, 1);
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DEV_Delay_ms(20);
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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(20);
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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_7IN3F_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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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_7IN3F_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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function : Wait until the busy_pin goes LOW
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parameter:
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******************************************************************************/
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static void EPD_7IN3F_ReadBusyH(void)
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{
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Debug("e-Paper busy H\r\n");
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while(!DEV_Digital_Read(EPD_BUSY_PIN)) { //LOW: busy, HIGH: idle
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DEV_Delay_ms(1);
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}
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Debug("e-Paper busy H release\r\n");
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}
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/******************************************************************************
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function : Turn On Display
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parameter:
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******************************************************************************/
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static void EPD_7IN3F_TurnOnDisplay(void)
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{
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EPD_7IN3F_SendCommand(0x04); // POWER_ON
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EPD_7IN3F_ReadBusyH();
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EPD_7IN3F_SendCommand(0x12); // DISPLAY_REFRESH
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EPD_7IN3F_SendData(0x00);
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EPD_7IN3F_ReadBusyH();
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EPD_7IN3F_SendCommand(0x02); // POWER_OFF
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EPD_7IN3F_SendData(0X00);
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EPD_7IN3F_ReadBusyH();
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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_7IN3F_Init(void)
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{
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EPD_7IN3F_Reset();
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EPD_7IN3F_ReadBusyH();
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DEV_Delay_ms(30);
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EPD_7IN3F_SendCommand(0xAA); // CMDH
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EPD_7IN3F_SendData(0x49);
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EPD_7IN3F_SendData(0x55);
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EPD_7IN3F_SendData(0x20);
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EPD_7IN3F_SendData(0x08);
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EPD_7IN3F_SendData(0x09);
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EPD_7IN3F_SendData(0x18);
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EPD_7IN3F_SendCommand(0x01);
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EPD_7IN3F_SendData(0x3F);
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EPD_7IN3F_SendData(0x00);
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EPD_7IN3F_SendData(0x32);
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EPD_7IN3F_SendData(0x2A);
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EPD_7IN3F_SendData(0x0E);
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EPD_7IN3F_SendData(0x2A);
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EPD_7IN3F_SendCommand(0x00);
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EPD_7IN3F_SendData(0x5F);
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EPD_7IN3F_SendData(0x69);
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EPD_7IN3F_SendCommand(0x03);
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EPD_7IN3F_SendData(0x00);
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EPD_7IN3F_SendData(0x54);
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EPD_7IN3F_SendData(0x00);
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EPD_7IN3F_SendData(0x44);
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EPD_7IN3F_SendCommand(0x05);
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EPD_7IN3F_SendData(0x40);
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EPD_7IN3F_SendData(0x1F);
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EPD_7IN3F_SendData(0x1F);
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EPD_7IN3F_SendData(0x2C);
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EPD_7IN3F_SendCommand(0x06);
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EPD_7IN3F_SendData(0x6F);
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EPD_7IN3F_SendData(0x1F);
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EPD_7IN3F_SendData(0x1F);
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EPD_7IN3F_SendData(0x22);
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EPD_7IN3F_SendCommand(0x08);
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EPD_7IN3F_SendData(0x6F);
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EPD_7IN3F_SendData(0x1F);
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EPD_7IN3F_SendData(0x1F);
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EPD_7IN3F_SendData(0x22);
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EPD_7IN3F_SendCommand(0x13); // IPC
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EPD_7IN3F_SendData(0x00);
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EPD_7IN3F_SendData(0x04);
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EPD_7IN3F_SendCommand(0x30);
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EPD_7IN3F_SendData(0x3C);
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EPD_7IN3F_SendCommand(0x41); // TSE
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EPD_7IN3F_SendData(0x00);
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EPD_7IN3F_SendCommand(0x50);
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EPD_7IN3F_SendData(0x3F);
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EPD_7IN3F_SendCommand(0x60);
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EPD_7IN3F_SendData(0x02);
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EPD_7IN3F_SendData(0x00);
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EPD_7IN3F_SendCommand(0x61);
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EPD_7IN3F_SendData(0x03);
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EPD_7IN3F_SendData(0x20);
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EPD_7IN3F_SendData(0x01);
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EPD_7IN3F_SendData(0xE0);
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EPD_7IN3F_SendCommand(0x82);
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EPD_7IN3F_SendData(0x1E);
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EPD_7IN3F_SendCommand(0x84);
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EPD_7IN3F_SendData(0x00);
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EPD_7IN3F_SendCommand(0x86); // AGID
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EPD_7IN3F_SendData(0x00);
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EPD_7IN3F_SendCommand(0xE3);
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EPD_7IN3F_SendData(0x2F);
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EPD_7IN3F_SendCommand(0xE0); // CCSET
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EPD_7IN3F_SendData(0x00);
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EPD_7IN3F_SendCommand(0xE6); // TSSET
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EPD_7IN3F_SendData(0x00);
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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_7IN3F_Clear(UBYTE color)
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{
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UWORD Width, Height;
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Width = (EPD_7IN3F_WIDTH % 2 == 0)? (EPD_7IN3F_WIDTH / 2 ): (EPD_7IN3F_WIDTH / 2 + 1);
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Height = EPD_7IN3F_HEIGHT;
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EPD_7IN3F_SendCommand(0x10);
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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_7IN3F_SendData((color<<4)|color);
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}
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}
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EPD_7IN3F_TurnOnDisplay();
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}
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/******************************************************************************
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function : show 7 kind of color block
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parameter:
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******************************************************************************/
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void EPD_7IN3F_Show7Block(void)
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{
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unsigned long i, j, k;
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unsigned char const Color_seven[8] =
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{EPD_7IN3F_BLACK, EPD_7IN3F_BLUE, EPD_7IN3F_GREEN, EPD_7IN3F_ORANGE,
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EPD_7IN3F_RED, EPD_7IN3F_YELLOW, EPD_7IN3F_WHITE, EPD_7IN3F_WHITE};
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EPD_7IN3F_SendCommand(0x10);
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for(i=0; i<240; i++) {
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for(k = 0 ; k < 4; k ++) {
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for(j = 0 ; j < 100; j ++) {
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EPD_7IN3F_SendData((Color_seven[k]<<4) |Color_seven[k]);
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}
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}
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}
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for(i=0; i<240; i++) {
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for(k = 4 ; k < 8; k ++) {
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for(j = 0 ; j < 100; j ++) {
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EPD_7IN3F_SendData((Color_seven[k]<<4) |Color_seven[k]);
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}
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}
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}
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EPD_7IN3F_TurnOnDisplay();
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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_7IN3F_Display(const UBYTE *Image)
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{
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UWORD Width, Height;
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Width = (EPD_7IN3F_WIDTH % 2 == 0)? (EPD_7IN3F_WIDTH / 2 ): (EPD_7IN3F_WIDTH / 2 + 1);
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Height = EPD_7IN3F_HEIGHT;
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EPD_7IN3F_SendCommand(0x10);
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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_7IN3F_SendData(Image[i + j * Width]);
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}
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}
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EPD_7IN3F_TurnOnDisplay();
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}
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void EPD_7IN3F_DisplayPart(const UBYTE *Image, UWORD xstart, UWORD ystart, UWORD image_width, UWORD image_heigh)
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{
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unsigned long i, j;
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UWORD Width, Height;
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Width = (EPD_7IN3F_WIDTH % 2 == 0)? (EPD_7IN3F_WIDTH / 2 ): (EPD_7IN3F_WIDTH / 2 + 1);
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Height = EPD_7IN3F_HEIGHT;
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EPD_7IN3F_SendCommand(0x10);
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for(i=0; i<Height; i++) {
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for(j=0; j<Width; j++) {
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if(i<image_heigh+ystart && i>=ystart && j<(image_width+xstart)/2 && j>=xstart/2) {
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EPD_7IN3F_SendData(Image[(j-xstart/2) + (image_width/2*(i-ystart))]);
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}
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else {
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EPD_7IN3F_SendData(0x11);
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}
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}
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}
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EPD_7IN3F_TurnOnDisplay();
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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_7IN3F_Sleep(void)
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{
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EPD_7IN3F_SendCommand(0x07); // DEEP_SLEEP
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EPD_7IN3F_SendData(0XA5);
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}
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