(一)前言: 驱动小外设模块,无非就是读写寄存器而已,但是接口可能是spi/i2c/uart/qspi/mcu等等。考虑到这种共识性, 本文将这些共性进行了抽象和归类,定义了一个通用的HwInit类,这个类接受一个command_list,并由外部定义和传递读/写函数,即可实现对外设的读写访问。这使得驱动各种电子模块,只输入输入一个command_li...
(三)应用程序编写 defgc9b71_qspi_test():qspi_interface=LCD_QSPIInterface(CS=38,SCK=40,D=[31,33,35,37],RST=36,wcolor_data_lines=4,prefix_cmd=[0x02,0x32]# 用下面的设置,是1线数据模式,也是可以点屏的,只是速度会慢4倍# wcolor_data_lines=1,# prefix_cmd=[0x02,0x02])command_list=[...
This error message indicates that the function you are defining was prototyped with an empty parameter list but the definition includes parameters. Your function prototypes must match your function definitions. Find the prototype and either remove it or update it so that its arguments match that ...
Forflexibilityinhandlingawidevarietyofdisyarchitectures,thecommands“CASET,RASETandMADCTL”(see section10commandlist),defineflaXandMY,whichallowsmirroringoftheX-addressandY-address.All combinationsofflagsareallowed.Section9.10showtheavailablecombinationsofwritingtothedisyRAM.WhenMX, MYandMVwillbechangedthedatabu...
For this example, map the commands: CaseCommand Description 0x00 LCD_CREATE Define pins used by the LCD 0x01 LCD_INITIALIZE Set up columns and rows 0x02 LCD_CLEAR Clear the LCD screen 0x03 LCD_PRINT Print the message on the LCD 0x04 LCD_DELETE Delete the LCD object Create an LCD ...
4, // 4 commands in list: ST7735_GMCTRP1, 16 , // 1: 16 args, no delay: @@ -181,6 +192,11 @@ colstart = 26; rowstart = 1; } else if (tabcolor == INITR_ROBOTLCD) { commandList(Rcmd2green); commandList(Rcmd3RobotLCD); } else if (tabcolor == INITR_REDTAB160x80)...
; LCD Module commands DISP_ON EQU 0x00C ; Display on DISP_ON_C EQU 0x00E ; Display on, Cursor on DISP_ON_B EQU 0x00F ; Display on, Cursor on, Blink cursor DISP_OFF EQU 0x008 ; Display off CLR_DISP EQU 0x001 ; Clear the Display ...
Commands. X=Don’tcare. RestrictionNone StatusAvailability NormalModeOn,IdleModeOff,SleepOutYes RegisterNormalModeOn,IdleModeOn,SleepOutYes AvailabilityPartialModeOn,IdleModeOff,SleepOutYes PartialModeOn,IdleModeOn,SleepOutYes SleepInYes StatusDefaultValue PowerOnSequenceN/A Default SWResetN/A HWResetN...
All commands can be taken from the command list in section 4.2. Writing of uncompressed and compressed bitmaps/textures, drawing of lines, poly-lines and rectangles are supported by the PE. There are many spe- cial modes such as duplicating data with a mirroring function. Writing and reading ...
1.涉及文件 (1) drivers\video\fbmem.c (核心层) register_framebuffer(structfb_info *fb_info)//对外暴露核心函数 1 1 (2)drivers\video\msm\mdss\mdss_fb.c (mdss 核心层 fbx平台设备驱动) // 调用 fbmem.c的 register_framebuffer注册 fbx ...