全志R128使用RGB LCD移植方法教程

aleksib

全志R128使用RGB LCD移植方法教程 [复制链接]

 

这里的示例以百问网的7寸（1024x600）、4寸方屏（480x480）、4寸圆屏RGB（480x480） LCD为例。 # 选择方案 这里建议用百问网提供的 r128-devkit-100ask-rgb 方案，仓库地址: - Gitee： [https://gitee.com/weidongshan/100ask_r128_demos/tree/master/other/RGB_LCD](https://gitee.com/weidongshan/100ask_r128_demos/tree/master/other/RGB_LCD) - GitHub：[https://github.com/100askTeam/100ask_r128_demos/tree/master/other/RGB_LCD](https://github.com/100askTeam/100ask_r128_demos/tree/master/other/RGB_LCD) 初始化环境变量，选择方案(r128s2_devkit_100ask_rgb_c906与r128s2_devkit_100ask_rgb_m33)： ```css 100ask@100ask:~/R128-FreeRTOS/SDK$ source envsetup.sh Setup env done! Run lunch_rtos to select project 100ask@100ask:~/R128-FreeRTOS/SDK$ lunch_rtos last=r128s2_devkit_c906 You're building on Linux Lunch menu... pick a combo: 1. r128s2_devkit_100ask_rgb_c906 2. r128s2_devkit_100ask_rgb_m33 3. r128s2_devkit_c906 4. r128s2_devkit_m33 5. r128s2_devkit_rgb_c906 6. r128s2_devkit_rgb_m33 7. r128s2_evt_c906 8. r128s2_evt_m33 Which would you like? [Default r128s2_devkit_c906]: 1 select=1... r128s2/devkit_100ask_rgb_c906 '/home/100ask/R128-FreeRTOS/SDK/lichee/rtos/projects/r128s2/devkit_100ask_rgb_c906/defconfig' -> '/home/100ask/R128-FreeRTOS/SDK/lichee/rtos/.config' ============================================ RTOS_BUILD_TOP=/home/100ask/R128-FreeRTOS/SDK RTOS_TARGET_ARCH=riscv RTOS_TARGET_CHIP=sun20iw2p1 RTOS_TARGET_DEVICE=r128s2 RTOS_PROJECT_NAME=r128s2_devkit_100ask_rgb_c906 ============================================ Run mrtos_menuconfig to config rtos Run m or mrtos to build rtos ``` # 配置menuconfig menuconfig具体配置： ```css # 1.打开下面的 Drivers Drivers Options---> soc related device drivers---> PWM devices ---> [*] enable pwm driver [ ] enable pwm hal APIs test command TWI Devices---> -*- enable twi driver [ ] enable twi hal APIs test command Video support for sunxi---> [*] DISP Driver Support(sunxi-disp2) ...... # 2. 打开LVGL相关配置 System components---> thirdparty components---> [*] Littlevgl-8---> --- Littlevgl-8 [*] lvgl examples [ ] lvgl g2d test [*] lvgl-8.1.0 use sunxifb double buffer [*] lvgl-8.1.0 use sunxifb cache [ ] lvgl-8.1.0 use sunxifb g2d [ ] lvgl-8.1.0 use sunxifb g2d rotate [ ] lvgl-8.1.0 use freetype [ ] lvgl-8.1.0 use direct mode ``` # 显示 ## sys_config.fex配置 修改文件：`R128-FreeRTOS/board/r128s2/devkit_rgb/configs/sys_config.fex` ```css [lcd0] lcd_used = 1 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;; 7寸屏（1024x600） lcd_driver_name = "default_lcd" lcd_backlight = 150 lcd_if = 0 lcd_x = 1024 lcd_y = 600 lcd_width = 150 lcd_height = 94 lcd_rb_swap = 0 lcd_dclk_freq = 48 lcd_pwm_used = 1 lcd_pwm_ch = 7 lcd_pwm_freq = 500000 lcd_pwm_pol = 1 lcd_hbp = 150 lcd_ht = 1344 lcd_hspw = 20 lcd_vbp = 20 lcd_vt = 635 lcd_vspw = 3 lcd_lvds_if = 0 lcd_lvds_colordepth = 1 lcd_lvds_mode = 0 lcd_frm = 0 lcd_io_phase = 0x0000 lcd_gamma_en = 0 lcd_bright_curve_en = 0 lcd_cmap_en = 0 ;;;;;; 4寸方屏（480x480） ;lcd_driver_name = "default_lcd" ;lcd_backlight = 150 ;lcd_if = 0 ;lcd_x = 480 ;lcd_y = 480 ;lcd_width = 70 ;lcd_height = 70 ;lcd_rb_swap = 1 ;lcd_dclk_freq = 9 ;lcd_pwm_used = 1 ;lcd_pwm_ch = 7 ;lcd_pwm_freq = 500000 ;lcd_pwm_pol = 1 ;lcd_hbp = 20 ;lcd_ht = 526 ;lcd_hspw = 6 ;lcd_vbp = 10 ;lcd_vt = 510 ;lcd_vspw = 4 ;lcd_lvds_if = 0 ;lcd_lvds_colordepth = 1 ;lcd_lvds_mode = 0 ;lcd_frm = 1 ;lcd_io_phase = 0x0000 ;lcd_gamma_en = 0 ;lcd_bright_curve_en = 0 ;lcd_cmap_en = 0 ;;;;;; 4寸圆屏RGB（480*480） ;lcd_driver_name = "default_lcd" ;lcd_backlight = 200 ;lcd_if = 0 ;lcd_x = 480 ;lcd_y = 480 ;lcd_width = 70 ;lcd_height = 70 ;lcd_rb_swap = 1 ;lcd_dclk_freq = 9 ;lcd_pwm_used = 1 ;lcd_pwm_ch = 7 ;lcd_pwm_freq = 2000 ;lcd_pwm_pol = 1 ;lcd_hbp = 20 ;lcd_ht = 526 ;lcd_hspw = 6 ;lcd_vbp = 10 ;lcd_vt = 510 ;lcd_vspw = 4 ;lcd_lvds_if = 0 ;lcd_lvds_colordepth = 1 ;lcd_lvds_mode = 0 ;lcd_frm = 1 ;lcd_io_phase = 0x0000 ;lcd_gamma_en = 0 ;lcd_bright_curve_en = 0 ;lcd_cmap_en = 0 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; deu_mode = 0 lcdgamma4iep = 0 smart_color = 0 ;LCD_D2-LCD_D7 lcd_gpio_0 = port:PA00<8><0><3><0> lcd_gpio_1 = port:PA01<8><0><3><0> lcd_gpio_2 = port:PA02<8><0><3><0> lcd_gpio_3 = port:PA03<8><0><3><0> lcd_gpio_4 = port:PA04<8><0><3><0> lcd_gpio_5 = port:PA05<8><0><3><0> ;LCD_D10-LCD_D15 lcd_gpio_6 = port:PA11<8><0><3><0> lcd_gpio_7 = port:PA10<8><0><3><0> lcd_gpio_8 = port:PA08<8><0><3><0> lcd_gpio_9 = port:PA07<8><0><3><0> lcd_gpio_10 = port:PA06<8><0><3><0> lcd_gpio_11 = port:PA09<8><0><3><0> ;LCD_D18-LCD_D23 lcd_gpio_12 = port:PA12<8><0><3><0> lcd_gpio_13 = port:PA13<8><0><3><0> lcd_gpio_14 = port:PA14<8><0><3><0> lcd_gpio_15 = port:PA15<8><0><3><0> lcd_gpio_16 = port:PB03<8><0><3><0> lcd_gpio_17 = port:PB02<8><0><3><0> ;LCD_VSYNC, LCD_HSYNC, LCD_DCLK, LCD_DE lcd_gpio_18 = port:PA18<8><0><3><0> lcd_gpio_19 = port:PA19<8><0><3><0> lcd_gpio_20 = port:PA20<8><0><3><0> lcd_gpio_21 = port:PA21<8><0><3><0> ``` ## LVGL配置 修改文件：`SDK/lichee/rtos-components/thirdparty/littlevgl-8/lv_examples/src/lv_conf.h` ```css /*Color depth: 1 (1 byte per pixel), 8 (RGB332), 16 (RGB565), 32 (ARGB8888)*/ #define LV_COLOR_DEPTH 32/*这里可以改为16，因为de会自动转换到32位，最终显示还是32位色深*/ /*Swap the 2 bytes of RGB565 color. Useful if the display has an 8-bit interface (e.g. SPI)*/ #define LV_COLOR_16_SWAP 0 ``` # 触摸 ## 配置menuconfig menuconfig具体配置： ```css Drivers Options---> other drivers---> [*] input driver---> [*] keyboard driver---> [*] touchscreen driver---> [ ] enable tlsc6x touchscreen driver [*] enable gt911 touchscreen driver [ ] enable cst226se touchscreen driver [ ] enable touchscreen drivers APIs test command soc related device drivers---> EFUSE Devices---> [*] enable efuse driver [ ] enable efuse hal APIs test command ``` ## sys_config.fex配置 修改文件：R128-FreeRTOS/board/r128s2/devkit_rgb/configs/sys_config.fex ```css [touchscreen] tp_used = 1 tp_int = port:PA24<1><0><default><default> tp_reset = port:PA25<1><0><default><default> tp_revert_mode = 0 tp_exchange_flag = 0 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;; 7寸屏（1024x600） GT911 tp_max_x = 1024 tp_max_y = 600 tp_addr = 0x14 ;;;;;; 4寸方屏（480x480） GT911 ;tp_max_x = 480 ;tp_max_y = 480 ;tp_addr = 0x14 ;;;;;; 4寸圆屏RGB（480*480） ;待续... ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; tp_twi_id = 1 ``` ##LVGL配置 修改文件：SDK/lichee/rtos-components/thirdparty/littlevgl-8/lv_examples/src/lv_drv_conf.h ```css /*------------------------------------------------- * Mouse or touchpad as evdev interface (for Linux based systems) *------------------------------------------------*/ #ifndef USE_EVDEV #define USE_EVDEV 1 #endif ``` #结果 以上配置完成后，编译打包烧录，上电后屏幕背光亮起，屏幕为黑色。 并且可以在 LOG 中看到 [LCD_FB] lcd_fb_probe,line:103: 和 spi_clk_init()1609 [spi1] clk rate auto adjust to 48000000 SPI 初始化的 LOG。 ```css disp:[disp_device_attached_and_enable 230]attached ok, mgr0<-->dev0 disp:[disp_device_attached_and_enable 243]type:1,mode:0,fmt:rgb,bits:8bits,eotf:4,cs:0 dvi_hdmi:2, range:2 scan:0 ratio:8 [gt911][log] PRODUCT_ID=39:31:31:00:60:10 [gt911][log] verison=00 range_x=0 range_y=0 point_num=0 [gt911][log] PRODUCT_ID=39:31:31:00:60:10 [gt911][log] verison=42 range_x=480 range_y=480 point_num=5 通过执行 lv_examples 命令运行LVGL测试demo。 ``` lv_examples 代码位于： SDK/lichee/rtos-components/thirdparty/littlevgl-8/lv_examples/src/lv_main.c