82 lines
No EOL
2.6 KiB
C
82 lines
No EOL
2.6 KiB
C
/*****************************************************************************
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* | File : sysfs_gpio.h
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* | Author : Waveshare team
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* | Function : Drive SC16IS752 GPIO
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* | Info : Read and write /sys/class/gpio
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*----------------
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* | This version: V1.0
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* | Date : 2019-06-04
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* | Info : Basic version
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*
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documnetation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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******************************************************************************/
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#ifndef __SYSFS_GPIO_
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#define __SYSFS_GPIO_
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#include <stdio.h>
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#define SYSFS_GPIO_IN 0
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#define SYSFS_GPIO_OUT 1
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#define SYSFS_GPIO_LOW 0
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#define SYSFS_GPIO_HIGH 1
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#define NUM_MAXBUF 4
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#define DIR_MAXSIZ 60
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#define SYSFS_GPIO_DEBUG 0
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#if SYSFS_GPIO_DEBUG
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#define SYSFS_GPIO_Debug(__info,...) printf("Debug: " __info,##__VA_ARGS__)
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#else
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#define SYSFS_GPIO_Debug(__info,...)
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#endif
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// BCM GPIO for Jetson nano
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#define GPIO4 4 // 7, 4
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#define GPIO17 7 // 11, 17
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#define GPIO18 18 // 12, 18
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#define GPIO27 27 // 13, 27
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#define GPIO22 22 // 15, 22
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#define GPIO23 23 // 16, 23
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#define GPIO24 24 // 18, 24
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#define SPI0_MOSI 10 // 19, 10
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#define SPI0_MISO 9 // 21, 9
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#define GPIO25 28 // 22, 25
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#define SPI0_SCK 11 // 23, 11
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#define SPI0_CS0 8 // 24, 8
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#define SPI0_CS1 7 // 26, 7
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#define GPIO5 5 // 29, 5
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#define GPIO6 6 // 31, 6
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#define GPIO12 12 // 32, 12
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#define GPIO13 13 // 33, 13
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#define GPIO19 19 // 35, 19
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#define GPIO16 16 // 36, 16
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#define GPIO26 26 // 37, 26
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#define GPIO20 20 // 38, 20
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#define GPIO21 21 // 40, 21
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int SYSFS_GPIO_Export(int Pin);
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int SYSFS_GPIO_Unexport(int Pin);
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int SYSFS_GPIO_Direction(int Pin, int Dir);
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int SYSFS_GPIO_Read(int Pin);
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int SYSFS_GPIO_Write(int Pin, int value);
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#endif |