商城类网站建设报价,农产品网络营销,sem是什么,大连做优化网站哪家好STM32 合宙1.54“ 电子墨水屏#xff08;e-paper#xff09;驱动显示示例 #x1f4cd;相关篇《Arduino框架下ESP32/ESP8266合宙1.54“ 电子墨水屏#xff08;e-paper#xff09;驱动显示示例》#x1f516;程序是从GooDisplay品牌和微雪电子下同型号规格墨水屏的示例程序… STM32 合宙1.54“ 电子墨水屏e-paper驱动显示示例 相关篇《Arduino框架下ESP32/ESP8266合宙1.54“ 电子墨水屏e-paper驱动显示示例》程序是从GooDisplay品牌和微雪电子下同型号规格墨水屏的示例程序参考Arduino框架下的驱动显示代码修改得来的。移植参考程序不推荐GooDisplayhttps://www.good-display.cn/product/380.html同类型的微雪品牌的相关资料参考https://www.waveshare.net/wiki/1.54inch_e-Paper_Module 使用GooDisplay仅仅是实现刚刚点亮屏幕点亮屏幕是迈出的重要的第一步基于标准库使用STM32f103芯片软件SPI方式。 使用微雪电子同型号规格的墨水屏驱动示例代码成功驱动。内容显示正常包含完整的对应显示接口函数完全可以拿来直接使用。完全兼容EPD_1in54_test版本其他版本点不亮。✨推荐✨使用GooDisplay代码移植后有bug。显示是上下反置的效果合宙1.54“ 电子墨水屏e-paper没有对应的手册可查询只能参考Arduino驱动代码进行查找进行修复。测试使用局部刷新指令来刷全局可以部分显示正常。问题可能还是在全局指令上。
GooDisplay参考代码修改位置
初始化函数EPD_HW_Init
const unsigned char lut_full_update[]
{0x02, 0x02, 0x01, 0x11, 0x12, 0x12, 0x22, 0x22, 0x66, 0x69, 0x69, 0x59, 0x58, 0x99, 0x99, 0x88, 0x00, 0x00, 0x00, 0x00, 0xF8, 0xB4, 0x13, 0x51, 0x35, 0x51, 0x51, 0x19, 0x01, 0x00
};
//局部刷新指令
const unsigned char lut_partial_update[]
{0x10, 0x18, 0x18, 0x08, 0x18, 0x18, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x14, 0x44, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
//Full screen refresh initialization
void EPD_HW_Init(void)
{int i;EPD_W21_RST_0; // Module reset delay_xms(20);//At least 10ms delay EPD_W21_RST_1;delay_xms(20); //At least 10ms delay Epaper_READBUSY(); EPD_W21_WriteCMD(0x12); //SWRESETEpaper_READBUSY(); EPD_W21_WriteCMD(0x01); //Driver output control
// EPD_W21_WriteDATA((EPD_HEIGHT-1)%256);
// EPD_W21_WriteDATA((EPD_HEIGHT-1)/256);EPD_W21_WriteDATA((EPD_HEIGHT-1) 0xFF); EPD_W21_WriteDATA(((EPD_HEIGHT - 1) 8) 0xFF);
// EPD_W21_WriteDATA(0x00);// EPD_W21_WriteCMD(0x11); //data entry mode
// EPD_W21_WriteDATA(0x01);// EPD_W21_WriteCMD(0x44); //set Ram-X address start/end position
// EPD_W21_WriteDATA(0x00);
// EPD_W21_WriteDATA(EPD_WIDTH/8-1); // EPD_W21_WriteCMD(0x45); //set Ram-Y address start/end position
// EPD_W21_WriteDATA((EPD_HEIGHT-1)%256);
// EPD_W21_WriteDATA((EPD_HEIGHT-1)/256);
// EPD_W21_WriteDATA(0x00);
// EPD_W21_WriteDATA(0x00); // EPD_W21_WriteCMD(0x3C); //BorderWavefrom
// EPD_W21_WriteDATA(0x05);
//
// EPD_W21_WriteCMD(0x18); //Read built-in temperature sensor
// EPD_W21_WriteDATA(0x80); // EPD_W21_WriteCMD(0x4E); // set RAM x address count to 0;
// EPD_W21_WriteDATA(0x00);
// EPD_W21_WriteCMD(0x4F); // set RAM y address count to 0X199;
// EPD_W21_WriteDATA((EPD_HEIGHT-1)%256);
// EPD_W21_WriteDATA((EPD_HEIGHT-1)/256);
// Epaper_READBUSY();EPD_W21_WriteCMD(0x0c);EPD_W21_WriteDATA(0xD7);EPD_W21_WriteDATA(0xD6);EPD_W21_WriteDATA(0x9D);EPD_W21_WriteCMD(0x2c);EPD_W21_WriteDATA(0xA8); // VCOM 7C 0xA8EPD_W21_WriteCMD(0x3a);EPD_W21_WriteDATA(0x1A); // 4 dummy lines per gateEPD_W21_WriteCMD(0x3b);EPD_W21_WriteDATA(0x08); // 2us per lineEPD_W21_WriteCMD(0x11);EPD_W21_WriteDATA(0x03); // X increment; Y increment EPD_W21_WriteCMD(0x32);/* the length of look-up table is 30 bytes */for ( i 0; i 30; i) {EPD_W21_WriteDATA(lut_full_update[i]);}
}刷新显示函数EPD_Update
//Full screen refresh update function
void EPD_Update(void)
{ EPD_W21_WriteCMD(0x22); //Display Update Control// EPD_W21_WriteDATA(0xF7);//注释掉该指令
EPD_W21_WriteDATA(0xc4); //新增EPD_W21_WriteCMD(0x20); //Activate Display Update Sequence
// EPD_W21_WriteDATA(0xFF);// 新增 TERMINATE_FRAME_READ_WRITE 不启用没有发现其他异常Epaper_READBUSY(); }合宙1.54“ 电子墨水屏e-paper屏幕不兼容GooDisplay的快速刷屏指令
GooDisplay示例程序引脚定义
在Display_EPD_W21_spi.h中
#define EPD_W21_MOSI_0 GPIO_ResetBits(GPIOD, GPIO_Pin_10)
#define EPD_W21_MOSI_1 GPIO_SetBits(GPIOD, GPIO_Pin_10)#define EPD_W21_CLK_0 GPIO_ResetBits(GPIOD, GPIO_Pin_9)
#define EPD_W21_CLK_1 GPIO_SetBits(GPIOD, GPIO_Pin_9)#define EPD_W21_CS_0 GPIO_ResetBits(GPIOD, GPIO_Pin_8)
#define EPD_W21_CS_1 GPIO_SetBits(GPIOD, GPIO_Pin_8)#define EPD_W21_DC_0 GPIO_ResetBits(GPIOE, GPIO_Pin_15)
#define EPD_W21_DC_1 GPIO_SetBits(GPIOE, GPIO_Pin_15)#define EPD_W21_RST_0 GPIO_ResetBits(GPIOE, GPIO_Pin_14)
#define EPD_W21_RST_1 GPIO_SetBits(GPIOE, GPIO_Pin_14)#define isEPD_W21_BUSY GPIO_ReadInputDataBit(GPIOE, GPIO_Pin_13) // for solomen solutions合宙1.54墨水屏适配程序
后续如果修复bug将更新。
链接https://pan.baidu.com/s/1_elRESwoOvCxe2ataPG4ug?pwdem1y
提取码em1y微雪对应型号驱动程序
经测试完全兼容微雪同型号的V1版本EPD_1in54_test的程序。微雪对应的驱动程序有2套. 针对带驱动板的程序标准库https://www.waveshare.net/wiki/E-Paper_Shield
资源地址https://www.waveshare.net/w/upload/6/69/E-Paper_Shield_Code.7z/**SPI1 GPIO Configuration PA5 ------ SPI1_SCK SCLPA6 ------ SPI1_MISO不需要接PA7 ------ SPI1_MOSI DIN(SDA)*/
#define SD_CS_Pin GPIO_PIN_10
#define SD_CS_GPIO_Port GPIOB#define EPD_DC_Pin GPIO_PIN_7
#define EPD_DC_GPIO_Port GPIOC#define EPD_BUSY_Pin GPIO_PIN_8
#define EPD_BUSY_GPIO_Port GPIOA#define EPD_RST_Pin GPIO_PIN_9
#define EPD_RST_GPIO_Port GPIOA#define SPIRAM_CS_Pin GPIO_PIN_4
#define SPIRAM_CS_GPIO_Port GPIOB#define EPD_CS_Pin GPIO_PIN_6
#define EPD_CS_GPIO_Port GPIOB仅针对屏幕的驱动程序EPD_1in54_test版本HAL库https://www.waveshare.net/wiki/1.54inch_e-Paper_Module_Manual#STM32
资源地址https://www.waveshare.net/w/upload/3/39/E-Paper_code.7zPA5 ------ SPI1_SCKPA7 ------ SPI1_MOSI
#define RST_Pin GPIO_PIN_1
#define RST_GPIO_Port GPIOA
#define DC_Pin GPIO_PIN_2
#define DC_GPIO_Port GPIOA
#define BUSY_Pin GPIO_PIN_3
#define BUSY_GPIO_Port GPIOA
#define SPI_CS_Pin GPIO_PIN_4
#define SPI_CS_GPIO_Port GPIOA图片取模教程和工具介绍https://www.waveshare.net/wiki/Image2Lcd%E5%9B%BE%E7%89%87%E5%8F%96%E6%A8%A1%E6%AD%A5%E9%AA%A4 -此文章仅作为个人学习探索知识的总结不作为他人或引用者的理论依据由于学识所限难免会出现错误或纰漏欢迎大家指正。
