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products:sbc:common:applications:gpio:irq

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products:sbc:common:applications:gpio:irq [2022/07/12 03:16]
nick
products:sbc:common:applications:gpio:irq [2022/08/07 22:41] (current)
olivia [Introduction]
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 ===== Introduction ===== ===== Introduction =====
  
-This document mainly introduces how to use GPIO interrupts on Khadas SBC. You will learn how to use GPIO interrupts with the GPIO number test program.+The page leads you to use GPIO interrupts with the GPIO number test program on Khadas SBC.
  
 <WRAP important > <WRAP important >
-Use ''GPIOH_6'' on VIM3 as an example.+Here we use ''GPIOH_6'' on VIM3 as an example.
 </WRAP> </WRAP>
    
 ===== Hardware Connection ===== ===== Hardware Connection =====
  
-Connect the physical pins ''PIN20'' and ''PIN15'' using a DuPont line.+Connect the physical pins ''PIN20'' and ''PIN15'' by using a DuPont line.
  
 ===== System Configuration ===== ===== System Configuration =====
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 Get ''GPIOH_6'' number Get ''GPIOH_6'' number
  
-Refer [[/products/sbc/vim4/applications/gpio/40pin-header|40-Pin Header]] to get the GPIO number is ''433''.+Refer to [[/products/sbc/vim4/applications/gpio/40pin-header|40-Pin Header]]the GPIO number you get is ''433''.
  
 Export GPIO Export GPIO
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 <WRAP info > <WRAP info >
-Please use ''gpio readall'' to check the status of GPIOH_6, if it is not shown as a normal GPIO, you need to remove uart3 from overlays in the /boot/env.txt file. \\+Please use ''gpio readall'' to check the status of ''GPIOH_6'', if it is not shown as a normal GPIO, you need to remove ''uart3'' from ''overlays'' in file ''/boot/env.txt''. \\
 Check the [[products:sbc:vim4:configurations:device-tree-overlay|Device Tree Overlay]] for more details. Check the [[products:sbc:vim4:configurations:device-tree-overlay|Device Tree Overlay]] for more details.
 </WRAP> </WRAP>
Last modified: 2022/07/12 03:16 by nick