mirror of https://github.com/ARMmbed/mbed-os.git
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/***************************************************************************//**
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* \file cybsp_utils.c
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*
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* \brief
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* Provides utility functions that are used by board support packages.
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*
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********************************************************************************
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* \copyright
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* Copyright 2018-2019 Cypress Semiconductor Corporation
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*******************************************************************************/
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#include "cybsp_api_core.h"
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#include "cyhal.h"
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#include "cyhal_implementation.h"
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#if defined(__cplusplus)
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extern "C" {
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#endif
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static void (*btn_interrupt_call_back) (void);
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cy_rslt_t cybsp_led_init(cybsp_led_t which)
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{
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return cyhal_gpio_init((cyhal_gpio_t)which, CYHAL_GPIO_DIR_OUTPUT, CYHAL_GPIO_DRIVE_STRONG, CYBSP_LED_STATE_OFF);
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}
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void cybsp_led_set_state(cybsp_led_t which, bool on)
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{
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cyhal_gpio_write((cyhal_gpio_t)which, on);
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}
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void cybsp_led_toggle(cybsp_led_t which)
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{
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cyhal_gpio_toggle((cyhal_gpio_t)which);
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}
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cy_rslt_t cybsp_btn_init(cybsp_btn_t which)
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{
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return cyhal_gpio_init((cyhal_gpio_t)which, CYHAL_GPIO_DIR_INPUT, CYHAL_GPIO_DRIVE_PULLUP, CYBSP_BTN_OFF);
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}
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bool cybsp_btn_get_state(cybsp_btn_t which)
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{
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return cyhal_gpio_read((cyhal_gpio_t)which);
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}
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static void gpio_call_back_wrapper(void *handler_arg, cyhal_gpio_irq_event_t event)
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{
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if (btn_interrupt_call_back != NULL)
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{
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btn_interrupt_call_back();
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}
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}
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void cybsp_btn_set_interrupt(cybsp_btn_t which, cyhal_gpio_irq_event_t type, void (*callback)(void))
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{
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btn_interrupt_call_back = callback;
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cyhal_gpio_register_irq((cyhal_gpio_t)which, 7, &gpio_call_back_wrapper, NULL);
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cyhal_gpio_irq_enable((cyhal_gpio_t)which, type, 1);
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}
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#if defined(__cplusplus)
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}
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#endif
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