使用屏幕时调试串口一直输出类似fb_st7789v spi0.0: fbtft_write_spi如何关闭

  • pan wrote: 2024-10-19 16:26

    Code: Select all

    [  273.536203] fb_st7789v spi0.0: fbtft_write_spi(len=4096): ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ..                                         .
    [  273.538705] fb_st7789v spi0.0: fbtft_write_spi(len=4096): ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ..                                         .
    [  273.540727] fb_st7789v spi0.0: fbtft_write_spi(len=4096): 5d 7e 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be ..                                         .
    [  273.542568] fb_st7789v spi0.0: fbtft_write_spi(len=4096): ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ..                                         .
    [  273.544373] fb_st7789v spi0.0: fbtft_write_spi(len=4096): fe 79 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 ..                                         .
    [  273.584087] fb_st7789v spi0.0: Display update: 1874 kB/s, fps=21
    [  273.627167] fb_st7789v spi0.0: fbtft_write_spi(len=4096): ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ..                                         .
    [  273.628964] fb_st7789v spi0.0: fbtft_write_spi(len=4096): ff ff ff ff ff ff 3d 1e 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be ..                                         .
    [  273.631979] fb_st7789v spi0.0: fbtft_write_spi(len=4096): ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ..                                         .
    [  273.633774] fb_st7789v spi0.0: fbtft_write_spi(len=4096): ff ff ff ff f4 91 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 ..                                         .
    [  273.635570] fb_st7789v spi0.0: fbtft_write_spi(len=4096): ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ..                                         .
    [  273.641122] fb_st7789v spi0.0: fbtft_write_spi(len=4096): ff ff ff ff ff ff ff ff 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a ..                                         .
    [  273.674612] fb_st7789v spi0.0: Display update: 1823 kB/s, fps=11
    [  273.714364] fb_st7789v spi0.0: fbtft_write_spi(len=4096): ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ..                                         .
    [  273.716156] fb_st7789v spi0.0: fbtft_write_spi(len=4096): ff ff ff ff ff ff 3d 1e 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be 24 be ..                                         .
    [  273.720928] fb_st7789v spi0.0: fbtft_write_spi(len=4096): ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ..                                         .
    [  273.722743] fb_st7789v spi0.0: fbtft_write_spi(len=4096): ff ff ff ff f4 91 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 f2 06 ..                                         .
    [  273.727984] fb_st7789v spi0.0: fbtft_write_spi(len=4096): ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ..                                         .
    [  273.729796] fb_st7789v spi0.0: fbtft_write_spi(len=4096): ff ff ff ff ff ff ff ff 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a 4d 6a ..                                         .
    [  273.808366] fb_st7789v spi0.0: fbtft_update_display(start_line=93, end_line=102)
    [  273.808410] fb_st7789v spi0.0: fbtft_write_reg8_bus8: 2a 00 00 00 ef
    [  273.808426] fb_st7789v spi0.0: fbtft_write_spi(len=1): 2a
    [  273.808570] fb_st7789v spi0.0: fbtft_write_spi(len=4): 00 00 00 ef
    [  273.808612] fb_st7789v spi0.0: fbtft_write_reg8_bus8: 2b 00 5d 00 66
    [  273.808624] fb_st7789v spi0.0: fbtft_write_spi(len=1): 2b
    [  273.808651] fb_st7789v spi0.0: fbtft_write_spi(len=4): 00 5d 00 66
    [  273.808701] fb_st7789v spi0.0: fbtft_write_reg8_bus8: 2c
    [  273.808712] fb_st7789v spi0.0: fbtft_write_spi(len=1): 2c
    [  273.808742] fb_st7789v spi0.0: fbtft_write_vmem16_bus8(offset=44640, len=4800)
    [  273.808785] fb_st7789v spi0.0: fbtft_write_spi(len=4096): f7 be f7 be f7 be f7 be f7 be f7 be f7 be f7 be f7 be f7 be f7 be f7 be f7 be e7 1c e7 1c ff ff ..                                         .
    [  273.810959] fb_st7789v spi0.0: fbtft_write_spi(len=704): ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ...
    [  273.811368] fb_st7789v spi0.0: Display update: 1550 kB/s, fps=9
    
    您好,这个是内核自带的打印函数,如果想关闭的话可能需要修改内核驱动程序/home/ubuntu/luckfox-pico/sysdrv/source/kernel/drivers/staging/fbtft/fbtft-io.c这个文件的fbtft_par_dbg_hex给关掉呢。