/* Copyright (c) 2012-2016 Ben Croston Copyright (c) 2018 PHYTEC America, LLC. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef __RPI_GPIO_C_GPIO_H_ #define __RPI_GPIO_C_GPIO_H_ #define GPIO_BANK_OFFSET 1 #define SETUP_OK 0 #define SETUP_MALLOC_FAIL 2 #define INPUT 1 #define OUTPUT 2 #define HIGH 1 #define LOW 0 #define PUD_OFF 0 #define PUD_DOWN 1 #define PUD_UP 2 int check_free_or_managed(int bcm_pin); void cleanup(void); int cleanup_gpio(int bcm_pin); int gpio_direction(int bcm_pin); int input_gpio(int bcm_pin); int output_gpio(int bcm_pin, int value); int setup_gpio(int bcm_pin, int dir, int value); #endif /* __RPI_GPIO_C_GPIO_H_ */