mirror of https://github.com/ARMmbed/mbed-os.git
85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2013-2016 Realtek Semiconductor Corp.
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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 "objects.h"
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#include "pinmap.h"
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#if CONFIG_GPIO_EN
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#include "gpio_irq_api.h"
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int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id)
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{
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uint32_t pin_name;
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if (pin == NC) return -1;
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obj->pin = pin;
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pin_name = HAL_GPIO_GetPinName((u32)pin);; // get the IP pin name
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obj->hal_pin.pin_name = pin_name;
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obj->hal_pin.pin_mode = INT_FALLING; // default use Falling trigger
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obj->hal_port_num = HAL_GPIO_GET_PORT_BY_NAME(pin_name);
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obj->hal_pin_num = HAL_GPIO_GET_PIN_BY_NAME(pin_name);
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HAL_GPIO_Irq_Init(&obj->hal_pin);
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HAL_GPIO_UserRegIrq(&obj->hal_pin, (VOID*) handler, (VOID*) id);
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return 0;
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}
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void gpio_irq_free(gpio_irq_t *obj)
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{
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HAL_GPIO_UserUnRegIrq(&obj->hal_pin);
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HAL_GPIO_DeInit(&obj->hal_pin);
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}
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void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable)
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{
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HAL_GPIO_MaskIrq(&obj->hal_pin);
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switch((uint32_t)event) {
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case IRQ_RISE:
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obj->hal_pin.pin_mode = INT_RISING;
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break;
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case IRQ_FALL:
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obj->hal_pin.pin_mode = INT_FALLING;
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break;
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case IRQ_NONE:
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break;
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default:
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break;
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}
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HAL_GPIO_Init_8195a(&obj->hal_pin);
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HAL_GPIO_IntCtrl(&obj->hal_pin, enable);
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if(enable){
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HAL_GPIO_UnMaskIrq(&obj->hal_pin);
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} else{
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HAL_GPIO_MaskIrq(&obj->hal_pin);
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}
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}
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void gpio_irq_enable(gpio_irq_t *obj)
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{
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HAL_GPIO_UnMaskIrq(&obj->hal_pin);
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}
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void gpio_irq_disable(gpio_irq_t *obj)
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{
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HAL_GPIO_MaskIrq(&obj->hal_pin);
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}
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#endif
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