小弟第一次用HT1621驱动段码LCD,遇到了问题:1、液晶初始化时,使用 SendCmd(LCDON); SendCmd(LCDOFF); 能够正确地开、关LCD。 2、Write_1621(0xff,0xff); 不能使整个屏幕字段都点亮,一小部分不亮。 3、Write_1621(0xff,0x00); 屏幕大部分字段还是能亮,不能灭 4、测试时发现,无论Write_1621(),什么...
LCD_Send_Data(y&0x00ff); LCD_Send_Cmd(0x2c); LCD_Send_Data(color); } /*中心点画线法*/ voidLCD_Draw_Line(intx1,inty1,intx2,inty2,u16color) { intx,y,d1,d2,d0,a,b; y=y1; a=y1-y2; b=x2-x1; d0=2*a+b; d1=2*a; d2=2*(a+b); for(x=x1;x<x2;x++)...
delay_lcd(10000); LCD_command_write(LCD_CMD_SLPOUT); delay_lcd(10000); //修改此处,可以改变屏幕的显示方向,横屏,竖屏等 LCD_command_write(LCD_CMD_MADCTL); // 0x36 ///< Memory Data Access Control LCD_data_write(0x00); //50//40//C0 LCD_command_write(LCD_CMD_COLMOD); // 0x3A ...
callSendCmd ;四位数据总线,两行显示,5X7点阵字符 movlwDISP_ON;开显示 callSendCmd movlwENTRY_INC;设置指针移动方式 callSendCmd callclrLCD ;清屏 return ;*putcLCD将字符数据送入LCD* ;*本程序将字符数据分成了高半字节和低半字节分别输入* ;*先送入的是高半字节* PUTCLCD bsfLCD_RS;设置为送数据模式...
voidlcd_clear(void){lcd_send_cmd(0x01);usleep(5000);} 0x01 can be used to clear the entire screen and set the cursor to the beginning, i.e at the 0x80 location. The command needs some time to execute, and therefore we have to provide some delay. ...
void LCD_CmdWrite( char cmd){ databus=cmd; // Send the command to LCD rs=0; // Select ...
LCD段式显示程序修改 #include<REG52.h> #include<intrins.h> #include<stdio.h> #include<math.h> #defineucharunsignedchar #defineuintunsignedint #defineBIAS0x52//52 #defineSYSEN0x02 #defineLCDON0x06 #defineLCDOFF0x04 #definejump_ROM0xCC #definestart0x44 #defineread_EEROM0xBE unsignedlongq,...
// LCD_SPI_Send(data, 2); } void LCD_command_write(uint8_t command) { // 写命令 LCD_DC_LOW(); LCD_CS_LOW(); lcd_SendBytes(command); LCD_CS_HIGH(); } void LCD_data_write(uint8_t data) { //写数据 LCD_DC_HIGH(); ...
LcdSendCMD(0xA4); LcdSendCMD(0xA6); Delay(DELAYS_5ms); */ LcdSendCMD(M_LCD_ON);//LCD On LcdSendCMD(M_LCD_POWER_ALL);//设置上电控制模式 LcdSendCMD(M_LCD_ELE_VOL);//电量设置模式(显示亮度) LcdSendCMD(0x1C);//指令数据0x0000~0x003f,设置对比度 ...
(dsi, DSI_MODE_CFG, ENABLE_CMD_MODE); dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_VID_MODE); if (!pdata->has_vop_sel) return 0; if (pdata->grf_switch_reg) { if (crtc_state->crtc_id) val = pdata->dsi0_en_bit | (pdata->dsi0_en_bit << 16); else val = pdata->dsi0...