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products:sbc:common:applications:gpio:40pin-header [2022/10/18 03:00] hyphop [Boards reference table vendor kernel] |
products:sbc:common:applications:gpio:40pin-header [2024/08/12 03:08] (current) william [Troubleshooting] |
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====== GPIO Header ====== | ====== GPIO Header ====== | ||
- | Universal GPIO 40 pins board header, used for communication between board and different external devices. | + | ====== GPIO usage examples |
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- | ===== Boards reference table vendor kernel | + | |
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- | <WRAP important > | + | |
- | Current | + | |
- | </ | + | |
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- | ==== VIM4 ==== | + | |
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- | ^ GPIO ^ Name ^ Physical | + | |
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- | | 420 | SPDIFOUT | + | |
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- | | 491 | PIN.Y7 | + | |
- | | 490 | PIN.Y6 | + | |
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- | ==== VIM1S ==== | + | |
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- | ^ GPIO ^ Name ^ Physical | + | |
- | | | 5V | | + | |
- | | | 5V | | + | |
- | | | USB_DM | + | |
- | | | USB_DP | + | |
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- | | | VCCMCU | + | |
- | | | MCU_NRST | + | |
- | | | MCU_SWIM | + | |
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- | | | VDD1V8 | + | |
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- | | | PIN.D1 | + | |
- | | | PIN.D0 | + | |
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- | ==== Edge-V ==== | + | |
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- | ^ GPIO ^ Name ^ Physical | + | |
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- | | 112 | SPDIF/ | + | |
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- | | 50 | + | |
- | | 49 | + | |
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- | ==== Edge2 ==== | + | |
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- | ^ GPIO ^ Name ^ Physical | + | |
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- | | 112 | SPI1_MOSI_M1/ | + | |
- | | 111 | SPI1_MISO_M1/ | + | |
- | | 114 | SPI1_CS_M1/ | + | |
- | | 113 | SPI1_CLK_M1/ | + | |
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- | ===== Control GPIO examples | + | |
<WRAP important > | <WRAP important > | ||
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When you get the GPIO number, you can follow the steps below to control it. Here we take GPIO number '' | When you get the GPIO number, you can follow the steps below to control it. Here we take GPIO number '' | ||
- | ==== Export GPIO ==== | + | ===== Export GPIO ===== |
```shell | ```shell | ||
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``` | ``` | ||
- | ==== Set-up GPIO direction ==== | + | ===== Set-up GPIO direction |
We can configure direction as input or output. | We can configure direction as input or output. | ||
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```shell | ```shell | ||
$ echo out | sudo tee / | $ echo out | sudo tee / | ||
- | $ echo in | sudo tee / | + | $ echo in | sudo tee / |
``` | ``` | ||
- | ==== Set GPIO value ==== | + | ===== Set GPIO value ===== |
```shell | ```shell | ||
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``` | ``` | ||
- | ==== Get GPIO value ==== | + | ===== Get GPIO value ===== |
```shell | ```shell | ||
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``` | ``` | ||
- | ==== Unexport GPIO ==== | + | ===== Unexport GPIO ===== |
```shell | ```shell | ||
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``` | ``` | ||
- | ==== Troubleshooting ==== | + | ===== Troubleshooting |
If you got the similar error below, it means that the PIN you try to export is used for another function, you need to edit [[products: | If you got the similar error below, it means that the PIN you try to export is used for another function, you need to edit [[products: | ||
```shell | ```shell | ||
- | khadas@Khadas: | + | $ echo 465 | sudo tee / |
tee: / | tee: / | ||
``` | ``` | ||