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Add the STM32 program: 1.64inch e-Paper (G), 3inch e-Paper (G), 7.3inch e-Paper (G) and 3.52inch e-Paper

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SSYYL 2022-07-28 18:08:09 +08:00
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STM32/STM32-F103ZET6/User/e-Paper/EPD_7in3g.c Normal file
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/*****************************************************************************
* | File : EPD_7in3g.c
* | Author : Waveshare team
* | Function : 7.3inch e-paper (G)
* | Info :
*----------------
* | This version: V1.0
* | Date : 2022-07-22
* | Info :
* -----------------------------------------------------------------------------
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_7in3g.h"
#include "Debug.h"
/******************************************************************************
function : Software reset
parameter:
******************************************************************************/
static void EPD_7IN3G_Reset(void)
{
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(20);
DEV_Digital_Write(EPD_RST_PIN, 0);
DEV_Delay_ms(2);
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(20);
}
/******************************************************************************
function : send command
parameter:
Reg : Command register
******************************************************************************/
static void EPD_7IN3G_SendCommand(UBYTE Reg)
{
DEV_Digital_Write(EPD_DC_PIN, 0);
DEV_Digital_Write(EPD_CS_PIN, 0);
DEV_SPI_WriteByte(Reg);
DEV_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : send data
parameter:
Data : Write data
******************************************************************************/
static void EPD_7IN3G_SendData(UBYTE Data)
{
DEV_Digital_Write(EPD_DC_PIN, 1);
DEV_Digital_Write(EPD_CS_PIN, 0);
DEV_SPI_WriteByte(Data);
DEV_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : Wait until the busy_pin goes LOW
parameter:
******************************************************************************/
static void EPD_7IN3G_ReadBusyH(void)
{
Debug("e-Paper busy H\r\n");
while(!DEV_Digital_Read(EPD_BUSY_PIN)) { //LOW: idle, HIGH: busy
DEV_Delay_ms(5);
}
Debug("e-Paper busy H release\r\n");
}
static void EPD_7IN3G_ReadBusyL(void)
{
Debug("e-Paper busy L\r\n");
while(DEV_Digital_Read(EPD_BUSY_PIN)) { //LOW: idle, HIGH: busy
DEV_Delay_ms(5);
}
Debug("e-Paper busy L release\r\n");
}
/******************************************************************************
function : Turn On Display
parameter:
******************************************************************************/
static void EPD_7IN3G_TurnOnDisplay(void)
{
EPD_7IN3G_SendCommand(0x12); // DISPLAY_REFRESH
EPD_7IN3G_SendData(0x00);
EPD_7IN3G_ReadBusyH();
EPD_7IN3G_SendCommand(0x02); // POWER_OFF
EPD_7IN3G_SendData(0X00);
EPD_7IN3G_ReadBusyH();
}
/******************************************************************************
function : Initialize the e-Paper register
parameter:
******************************************************************************/
void EPD_7IN3G_Init(void)
{
EPD_7IN3G_Reset();
EPD_7IN3G_ReadBusyH();
DEV_Delay_ms(30);
EPD_7IN3G_SendCommand(0xAA);
EPD_7IN3G_SendData(0x49);
EPD_7IN3G_SendData(0x55);
EPD_7IN3G_SendData(0x20);
EPD_7IN3G_SendData(0x08);
EPD_7IN3G_SendData(0x09);
EPD_7IN3G_SendData(0x18);
EPD_7IN3G_SendCommand(0x01);
EPD_7IN3G_SendData(0x3F);
EPD_7IN3G_SendCommand(0x00);
EPD_7IN3G_SendData(0x4F);
EPD_7IN3G_SendData(0x69);
EPD_7IN3G_SendCommand(0x05);
EPD_7IN3G_SendData(0x40);
EPD_7IN3G_SendData(0x1F);
EPD_7IN3G_SendData(0x1F);
EPD_7IN3G_SendData(0x2C);
EPD_7IN3G_SendCommand(0x08);
EPD_7IN3G_SendData(0x6F);
EPD_7IN3G_SendData(0x1F);
EPD_7IN3G_SendData(0x1F);
EPD_7IN3G_SendData(0x22);
//===================
//20211212
//First setting
EPD_7IN3G_SendCommand(0x06);
EPD_7IN3G_SendData(0x6F);
EPD_7IN3G_SendData(0x1F);
EPD_7IN3G_SendData(0x14);
EPD_7IN3G_SendData(0x14);
//===================
EPD_7IN3G_SendCommand(0x03);
EPD_7IN3G_SendData(0x00);
EPD_7IN3G_SendData(0x54);
EPD_7IN3G_SendData(0x00);
EPD_7IN3G_SendData(0x44);
EPD_7IN3G_SendCommand(0x60);
EPD_7IN3G_SendData(0x02);
EPD_7IN3G_SendData(0x00);
//Please notice that PLL must be set for version 2 IC
EPD_7IN3G_SendCommand(0x30);
EPD_7IN3G_SendData(0x08);
EPD_7IN3G_SendCommand(0x50);
EPD_7IN3G_SendData(0x3F);
EPD_7IN3G_SendCommand(0x61);
EPD_7IN3G_SendData(0x03);
EPD_7IN3G_SendData(0x20);
EPD_7IN3G_SendData(0x01);
EPD_7IN3G_SendData(0xE0);
EPD_7IN3G_SendCommand(0xE3);
EPD_7IN3G_SendData(0x2F);
EPD_7IN3G_SendCommand(0x84);
EPD_7IN3G_SendData(0x01);
}
/******************************************************************************
function : Clear screen
parameter:
******************************************************************************/
void EPD_7IN3G_Clear(UBYTE color)
{
UWORD Width, Height;
Width = (EPD_7IN3G_WIDTH % 4 == 0)? (EPD_7IN3G_WIDTH / 4 ): (EPD_7IN3G_WIDTH / 4 + 1);
Height = EPD_7IN3G_HEIGHT;
EPD_7IN3G_SendCommand(0x04);
EPD_7IN3G_ReadBusyH();
EPD_7IN3G_SendCommand(0x10);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_7IN3G_SendData(color);
}
}
EPD_7IN3G_TurnOnDisplay();
}
/******************************************************************************
function : Sends the image buffer in RAM to e-Paper and displays
parameter:
******************************************************************************/
void EPD_7IN3G_Display(UBYTE *Image)
{
UWORD Width, Height;
Width = (EPD_7IN3G_WIDTH % 4 == 0)? (EPD_7IN3G_WIDTH / 4 ): (EPD_7IN3G_WIDTH / 4 + 1);
Height = EPD_7IN3G_HEIGHT;
EPD_7IN3G_SendCommand(0x04);
EPD_7IN3G_ReadBusyH();
EPD_7IN3G_SendCommand(0x10);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_7IN3G_SendData(Image[i + j * Width]);
}
}
EPD_7IN3G_TurnOnDisplay();
}
void EPD_7IN3G_Display_part(UBYTE *Image, UWORD xstart, UWORD ystart, UWORD image_width, UWORD image_heigh)
{
UWORD Width, Height;
Width = (EPD_7IN3G_WIDTH % 4 == 0)? (EPD_7IN3G_WIDTH / 4 ): (EPD_7IN3G_WIDTH / 4 + 1);
Height = EPD_7IN3G_HEIGHT;
EPD_7IN3G_SendCommand(0x04);
EPD_7IN3G_ReadBusyH();
EPD_7IN3G_SendCommand(0x10);
for (UWORD i = 0; i < Height; i++) {
for (UWORD j = 0; j < Width; j++) {
if(i<image_heigh+ystart && i>=ystart && j<(image_width+xstart)/4 && j>=xstart/4) {
EPD_7IN3G_SendData(Image[(j-xstart/4) + (image_width/4*(i-ystart))]);
}
else
EPD_7IN3G_SendData(0x55);
}
}
EPD_7IN3G_TurnOnDisplay();
}
/******************************************************************************
function : Enter sleep mode
parameter:
******************************************************************************/
void EPD_7IN3G_Sleep(void)
{
EPD_7IN3G_SendCommand(0x02); // POWER_OFF
EPD_7IN3G_SendData(0X00);
EPD_7IN3G_SendCommand(0x07); // DEEP_SLEEP
EPD_7IN3G_SendData(0XA5);
}