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48 lines
2.4 KiB
C
48 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 __HAL_GPIO_H__
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#define __HAL_GPIO_H__
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typedef enum {
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GPIO_INT_TRIG_NEG_PULSE, /*!< GPIO negedge pulse trigger interrupt */
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GPIO_INT_TRIG_POS_PULSE, /*!< GPIO posedge pulse trigger interrupt */
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GPIO_INT_TRIG_NEG_LEVEL, /*!< GPIO negedge level trigger interrupt (32k 3T) */
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GPIO_INT_TRIG_POS_LEVEL, /*!< GPIO posedge level trigger interrupt (32k 3T) */
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} hal_gpio_int_trig_type;
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typedef enum {
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GPIO_INT_CONTROL_SYNC, /*!< GPIO interrupt sync mode */
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GPIO_INT_CONTROL_ASYNC, /*!< GPIO interrupt async mode */
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} hal_gpio_int_ctl_type;
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int hal_gpio_register_handler(void *func, int gpioPin, int intCtrlMod, int intTrgMod, void *arg);
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int hal_gpio_init_from_dts(uint32_t fdt, uint32_t dtb_offset);
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#endif
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