(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,# pr
(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...
Command List※ Undefined commands are treated as no-operation instructions.hexlencommanddescriptionsend params 0x00 1-∞ NOP Do nothing until communication stops [0] 0x00[1-∞] Ignored value 0x20 1 INVOFF Disable color inversion [0] 0x20 0x21 1 INVON Enable color inversion [0] 0x21 0x22...
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 ...
* * Note that the ST7789V display controller offers quite a few more commands * which have been omitted from this list as they are not used at the moment. * Furthermore, commands that are compliant with the MIPI DCS have been left * out as well to avoid duplicate entries. */ enum ...
2. Execute the commands: #backup the original source sudo mv /etc/apt/syntaxhighlights.list /etc/apt/syntaxhighlights.list.old sudo nano /etc/apt/syntaxhighlights.listAdd the following code and save: #If your system version is not groovy, please replace the following groovy with the version ...
2. Execute the commands: #backup the original source sudo mv /etc/apt/syntaxhighlights.list /etc/apt/syntaxhighlights.list.old sudo nano /etc/apt/syntaxhighlights.listAdd the following code and save: #If your system version is not groovy, please replace the following groovy with the version ...
(usedefault0))1QuadSPI Memory9FlexSPINORMemory Unmapped External Memory Memories which cannot be remapped to internal space,and only can be accessed by memories' addresses. (Must be specified for all commands with <memoryId> argument) 272 (0x110) SPI NOR/EEPROM Memory 288 (0x120) uSDHC SD...
134 + - Dual-microphone far-field voice interaction, offline AI recognition in Chinese and English, supports over 200 voice commands 135 + - Integrated end-to-end AIoT development framework ESP-RainMaker 136 + - Pmod™ compatible connector supports peripheral modules for expanding sensors, infrar...
* dcs commands are first sent to the non-trigger * controller so that when the commands are triggered, * both controllers receive it at the same time. */sctrl=mdss_dsi_get_other_ctrl(ctrl_pdata);if(mdss_dsi_sync_wait_trigger(ctrl_pdata)){if(sctrl)mdss_dsi_panel_bklt_dcs(sctrl,bl...