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55 lines
2.4 KiB
C
55 lines
2.4 KiB
C
/*
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* Copyright (c) 2020 Bouffalolab.
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*
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* This file is part of
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* *** Bouffalolab Software Dev Kit ***
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* (see www.bouffalolab.com).
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of Bouffalo Lab nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __BL_GPIO_H__
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#define __BL_GPIO_H__
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#include <stdint.h>
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typedef struct _gpio_ctx_desc {
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struct _gpio_ctx_desc *next;
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void (*gpio_handler)(void *);
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void *arg;
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uint8_t gpioPin;
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uint8_t intCtrlMod;
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uint8_t intTrgMod;
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} gpio_ctx_t;
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int bl_gpio_enable_output(uint8_t pin, uint8_t pullup, uint8_t pulldown);
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int bl_gpio_enable_input(uint8_t pin, uint8_t pullup, uint8_t pulldown);
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int bl_gpio_output_set(uint8_t pin, uint8_t value);
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int bl_gpio_input_get(uint8_t pin, uint8_t *value);
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int bl_gpio_input_get_value(uint8_t pin);
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int bl_gpio_int_clear(uint8_t gpioPin,uint8_t intClear);
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void bl_gpio_intmask(uint8_t gpiopin, uint8_t mask);
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void bl_set_gpio_intmod(uint8_t gpioPin, uint8_t intCtrlMod, uint8_t intTrgMod);
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void bl_gpio_register(gpio_ctx_t *pstnode);
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#endif
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