mirror of
https://github.com/WeActStudio/WeActStudio.EpaperModule.git
synced 2026-08-16 13:13:45 +02:00
350 lines
8.1 KiB
C
350 lines
8.1 KiB
C
#include "DEPG0290BBS800F6HP-M7.h"
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#include "Image.h"
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void EpaperIO_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC, ENABLE); // 使能PB端口时钟
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// EPAPER_BS N
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8; // 端口配置, 推挽输出
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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// EPAPER_EN
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12; // 端口配置, 推挽输出
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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// SPI_CLK-->PB13 SPI_MOSI--->PB15
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_15; // 端口配置, 推挽输出
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOB, &GPIO_InitStructure);
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// CS-->PC6 D/C--->PC7 RES-->PC8
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_12; // 端口配置, 推挽输出
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOC, &GPIO_InitStructure);
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// BUSY--->PC9
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; // 下拉输入
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GPIO_Init(GPIOC, &GPIO_InitStructure); // 初始化GPIO
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Epaper_BS = 0;
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}
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void SPI_DATA_IO_Init(u8 mode)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);//'??PB??????
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if(mode==SPI_OUT)
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{
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15; //???????, ???????
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOB, &GPIO_InitStructure);
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}
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if(mode==SPI_IN)
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{
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; //????????
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GPIO_Init(GPIOB, &GPIO_InitStructure); //??'??GPIO
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}
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}
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void Epaper_Spi_WriteByte(u8 TxData)
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{
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u8 TempData;
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u8 scnt;
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TempData = TxData;
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SPI_DATA_IO_Init(SPI_OUT);
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SPI_CLK = 0;
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for (scnt = 0; scnt < 8; scnt++)
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{
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if (TempData & 0x80)
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SPI_MOSI = 1;
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else
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SPI_MOSI = 0;
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SPI_CLK = 1;
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delay_us(5);
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SPI_CLK = 0;
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TempData = TempData << 1;
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delay_us(5);
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}
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}
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void Epaper_READBUSY(void)
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{
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while(1)
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{
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if(Epaper_BUSY==0) break;
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delay_us(5) ;
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}
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delay_us(100) ;
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}
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void Epaper_Write_Command(u8 cmd)
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{
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Epaper_CS = 1;
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Epaper_CS = 0;
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Epaper_DC = 0; // D/C# 0:command 1:data
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delay_us(5);
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Epaper_Spi_WriteByte(cmd);
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delay_us(5);
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Epaper_CS = 1;
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}
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void Epaper_Write_Data(u8 data)
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{
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Epaper_CS = 1;
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Epaper_CS = 0;
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Epaper_DC = 1; // D/C# 0:command 1:data
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delay_us(5);
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Epaper_Spi_WriteByte(data);
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delay_us(5);
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Epaper_CS = 1;
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}
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/*
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* 函数名：Epaper_Init
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* 描述 ：电子纸初始化程序
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* 输入 ：无
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* 输出 ：无
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*/
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void Epaper_Initial(void)
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{
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Epaper_EN=1; //open the 3V power
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delay_ms(10);
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Epaper_RESET = 0; // EPD 硬件复位 Hardware reset
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delay_ms(10);
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Epaper_RESET = 1; // EPD 硬件复位释放 Hard reset release
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delay_ms(10);
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Epaper_READBUSY(); // 读busy信号
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Epaper_Write_Command(0x12);
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Epaper_READBUSY();
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Epaper_Write_Command(0x01); //驱动输出控制 drive output control
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Epaper_Write_Data(Y_Addr_Start_L); //Y 的低字节
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Epaper_Write_Data(Y_Addr_Start_H); //Y 的高字节
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Epaper_Write_Data(0x00);
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Epaper_Write_Command(0x11); //Data entry mode setting
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Epaper_Write_Data(0x01); //00 Y decrement, X decrement,
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//01 Y decrement, X increment,
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//10 Y increment, X decrement,
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//11 Y increment, X increment
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Epaper_Write_Command(0x44); // Set RAM X - address Start / End position
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Epaper_Write_Data(X_Addr_Start);
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Epaper_Write_Data(X_Addr_End);
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Epaper_Write_Command(0x45); // Set RAM Y - address Start / End position
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Epaper_Write_Data(Y_Addr_Start_L);
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Epaper_Write_Data(Y_Addr_Start_H);
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Epaper_Write_Data(Y_Addr_End_L);
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Epaper_Write_Data(Y_Addr_End_H);
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Epaper_Write_Command(0x4E); //Set RAM X address counter
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Epaper_Write_Data(X_Addr_Start);
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Epaper_Write_Command(0x4F); //Set RAM Y address counter
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Epaper_Write_Data(Y_Addr_Start_L);
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Epaper_Write_Data(Y_Addr_Start_H);
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Epaper_Write_Command(0x3C); //Border设置 Border setting
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Epaper_Write_Data(0x05);
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Epaper_Write_Command(0x21);
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Epaper_Write_Data(0x00);
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Epaper_Write_Data(0x00);
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}
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void Epaper_Initial_partial(void)
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{
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delay_ms(10);
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Epaper_RESET = 0; // EPD 硬件复位 Hardware reset
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delay_ms(10);
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Epaper_RESET = 1; // EPD 硬件复位释放 Hard reset release
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delay_ms(10);
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Epaper_READBUSY(); // 读busy信号
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// Epaper_Write_Command(0x12); //partial update need remove 0x12 soft reset
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// Epaper_READBUSY();
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Epaper_Write_Command(0x3C); // border folating
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Epaper_Write_Data(0x80);
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}
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void Epaper_Update_and_Deepsleep_full_update(void)
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{
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Epaper_Write_Command(0x22);
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Epaper_Write_Data(0xF7);
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Epaper_Write_Command(0x20);
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Epaper_READBUSY();
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Epaper_Write_Command(0x10);
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Epaper_Write_Data(0x01);
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delay_ms(100);
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}
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void Epaper_Update_and_Deepsleep_partial_update(void)
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{
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Epaper_Write_Command(0x22);
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Epaper_Write_Data(0xFF);
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Epaper_Write_Command(0x20);
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Epaper_READBUSY();
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Epaper_Write_Command(0x10);
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Epaper_Write_Data(0x01);
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delay_ms(100);
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}
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void Epaper_Load_White( )
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{
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u32 i,k;
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Epaper_Write_Command(0x24);
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for(i=0;i<MAX_COLUMN_BYTES;i++)
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{
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for(k=0;k<MAX_LINE_BYTES;k++)
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Epaper_Write_Data(0xff);
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}
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}
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void Epaper_Load_Black( )
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{
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u32 i,k;
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Epaper_Write_Command(0x24);
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for(i=0;i<MAX_COLUMN_BYTES;i++)
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{
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for(k=0;k<MAX_LINE_BYTES;k++)
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Epaper_Write_Data(0x00);
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}
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}
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void Epaper_load_image_new(u8 *BN_DTM)
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{
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u32 i;
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u8 tempOriginal;
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u32 tempcol=0;
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u32 tempcol1=0;
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u32 templine=0;
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u32 templine1=0;
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Epaper_Write_Command(0x24); //DTM1
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for(i=0;i<ALLSCREEN_BYTES;i++)
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{
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tempOriginal=*(BN_DTM+templine*MAX_COLUMN_BYTES+tempcol);
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templine++;
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if(templine>=MAX_LINE_BYTES)
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{
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tempcol++;
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templine=0;
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}
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Epaper_Write_Data(tempOriginal);
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}
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Epaper_Write_Command(0x26); //DTM2
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for(i=0;i<ALLSCREEN_BYTES;i++)
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{
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tempOriginal=*(BN_DTM+templine1*MAX_COLUMN_BYTES+tempcol1);
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templine1++;
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if(templine1>=MAX_LINE_BYTES)
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{
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tempcol1++;
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templine1=0;
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}
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Epaper_Write_Data(tempOriginal);
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}
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}
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void Epaper_load_image_new_patial(u8 *BN_DTM)
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{
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u32 i;
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u8 tempOriginal;
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u32 tempcol=0;
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u32 templine=0;
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Epaper_Write_Command(0x24); //DTM1
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for(i=0;i<ALLSCREEN_BYTES;i++)
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{
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tempOriginal=*(BN_DTM+templine*MAX_COLUMN_BYTES+tempcol);
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templine++;
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if(templine>=MAX_LINE_BYTES)
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{
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tempcol++;
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templine=0;
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}
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Epaper_Write_Data(tempOriginal);
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}
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}
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void Display_black( )
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{
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Epaper_Initial( );
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Epaper_Load_Black( );
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Epaper_Update_and_Deepsleep_full_update( );
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}
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void Display_white( )
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{
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Epaper_Initial( );
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Epaper_Load_White( );
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Epaper_Update_and_Deepsleep_full_update( );
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}
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void Display_image_new(u8 *BN_DTM)
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{
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Epaper_Initial( );
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Epaper_load_image_new((u8*)BN_DTM);
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Epaper_Update_and_Deepsleep_full_update( );
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}
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void Display_image_new_partial_update(u8 *BN_DTM)
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{
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Epaper_Initial_partial( );
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Epaper_load_image_new_patial((u8*)BN_DTM);
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Epaper_Update_and_Deepsleep_full_update( );
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}
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int main()
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{
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EpaperIO_Init();
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delay_init();
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Display_black( );
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Display_white( );
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Display_image_new((u8*)dancika_image1);//The full-update before partial haves to send 24ram and 26 ram the same data
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// if you won't execute partial update after full-update you just send the image to 24 will be OK
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Display_image_new_partial_update((u8*)dancika_image2);//just send to 24 will be ok
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Display_image_new_partial_update((u8*)dancika_image3);
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Display_image_new_partial_update((u8*)dancika_image4);
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Display_image_new_partial_update((u8*)dancika_image5);
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}
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