lcd_data_speed = 60 ; SPI 驱动频率 60MHz lcd_pwm_used = 1 ; lcd使用pwm背光 lcd_pwm_ch = 1 ; lcd使用pwm背光通道1 lcd_pwm_freq = 5000 ; lcd使用pwm背光频率5000Hz lcd_pwm_pol = 0 ; lcd使用pwm背光相位0 lcd_if = 0 ; lcd使用spi接口,0-spi, 1-dbi lcd_pixel_fmt = 11 lcd_dbi...
lcd_vspw = <4>; /* part 4 */ lcd_pwm_used = <1>; lcd_pwm_ch = <8>; lcd_pwm_freq = <50000>; lcd_pwm_pol = <1>; lcd_pwm_max_limit = <255>; lcd_bright_curve_en = <1>; /* part 5 */ lcd_cpu_mode = <1>; lcd_cpu_te = <1>; /* part 6 */ lcd_frm = <...
屏幕背光使用的是PWM驱动,所以需要勾选PWM驱动,运行mrtos_menuconfig进入配置页面。前往下列地址找到PWM Devices Drivers Options ---> soc related device drivers ---> PWM Devices ---> -*- enable pwm driver 配置PWM 引脚 打开你喜欢的编辑器,修改文件:board/r128s2/module/configs/sys_config.fex,增加 PW...
lcd_pwm_used 是否使用pwm。 此参数标识是否使用pwm用以背光亮度的控制。 lcd_pwm_ch Pwm channel used 此参数标识使用的Pwm通道。 lcd_pwm_freq Lcd backlight PWM Frequency 这个参数配置PWM信号的频率,单位为Hz。 lcd_pwm_pol Lcd backlight PWM Polarity 这个参数配置PWM信号的占空比的极性。设置相应值对应含...
对应的是lcd_pwm_ch所对应的那一路pwm。 原型:s32 sunxi_lcd_pwm_enable(u32 screen_id) s32 sunxi_lcd_pwm_disable(u32 screen_id) 4.2.7 电源控制函数说明 函数:sunxi_lcd_power_enable / sunxi_lcd_power_disable 功能:打开/关闭Lcd 电源,操作的是board.dts 中的lcd_power/lcd_power1/lcd_power2(...
lcd_pwm_ch=1;lcd使用pwm背光通道1lcd_pwm_freq=5000;lcd使用pwm背光频率5000Hz lcd_pwm_pol=0;lcd使用pwm背光相位0lcd_if=0;lcd使用spi接口,0-spi,1-dbi lcd_pixel_fmt=11lcd_dbi_fmt=2lcd_dbi_clk_mode=1lcd_dbi_te=1fb_buffer_num=2lcd_dbi_if=4lcd_rgb_order=0lcd_fps=60lcd_spi_bus_nu...
pwm_used = 1 pwm_positive = port:PA9<4><0><3><default> 1. 2. 3. 设置SPI LCD 驱动 SPI LCD 由专门的驱动管理。运行mrtos_menuconfig进入配置页面。前往下列地址找到SPILCD Devices,注意同时勾选spilcd hal APIs test方便测试使用。 Drivers Options ---> ...
;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_pwm_ch Pwm channel used 此参数标识使用的Pwm通道。lcd_pwm_freq Lcd backlight PWM Frequency 这个参数配置PWM信号的频率,单位为Hz。lcd_pwm_pol Lcd backlight PWM Polarity 这个参数配置PWM信号的占空比的极性。设置相应值对应含义为:0:active high1:active lowlcd_pwm_max_limit Lcd backlight PWM 最...
;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 ...