exti_gpio.h

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/*****************************************************************************
 *   Copyright(C)2009-2022 by VSF Team                                       *
 *                                                                           *
 *  Licensed under the Apache License, Version 2.0 (the "License");          *
 *  you may not use this file except in compliance with the License.         *
 *  You may obtain a copy of the License at                                  *
 *                                                                           *
 *     http://www.apache.org/licenses/LICENSE-2.0                            *
 *                                                                           *
 *  Unless required by applicable law or agreed to in writing, software      *
 *  distributed under the License is distributed on an "AS IS" BASIS,        *
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
 *  See the License for the specific language governing permissions and      *
 *  limitations under the License.                                           *
 *                                                                           *
 ****************************************************************************/
 
#ifndef __HAL_DRIVER_GPIO_EXTI_H__
#define __HAL_DRIVER_GPIO_EXTI_H__
 
/*============================ INCLUDES ======================================*/
 
#include "hal/vsf_hal_cfg.h"
 
#if VSF_HAL_USE_GPIO == ENABLED
 
#if defined(__VSF_HAL_USE_GPIO_EXTI_CLASS_IMPLEMENT)
#   undef __VSF_HAL_USE_GPIO_EXTI_CLASS_IMPLEMENT
#   define __VSF_CLASS_IMPLEMENT__
#endif
 
#include "utilities/ooc_class.h"
 
/*============================ GLOBAL VARIABLES ==============================*/
/*============================ MACROS ========================================*/
 
#ifndef VSF_EXTI_GPIO_CFG_MULTI_CLASS
#   define VSF_EXTI_GPIO_CFG_MULTI_CLASS   VSF_GPIO_CFG_MULTI_CLASS
#endif
 
#define vsf_gpio_exti_irq_pin_config(__GPIO, ...)                               \
    vsf_exti_gpio_exti_irq_pin_config((vsf_exti_gpio_t *)(__GPIO), ##__VA_ARGS__)
 
 
#if VSF_EXTI_GPIO_CFG_MULTI_CLASS == ENABLED
#   define __describe_exti_gpio_op()        .vsf_gpio.op = &vsf_exti_gpio_op,
#else
#   define __describe_exti_gpio_op()
#endif
 
#define __describe_exti_gpio(__name, __gpio, __pin_count, ...)                  \
    static vsf_exti_gpio_irq_t VSF_MCONNECT(__name, _irqs)[__pin_count];        \
    vsf_exti_gpio_t __name = {                                                  \
        __describe_exti_gpio_op()                                               \
        .gpio = (vsf_gpio_t *)&__gpio,                                          \
        .prio = vsf_arch_prio_invalid,                                          \
        .exti_irq = VSF_MCONNECT(__name, _irqs),                                \
        __VA_ARGS__                                                             \
    };
 
#define describe_exti_gpio(__name, __gpio, ...)                                 \
    __describe_exti_gpio(__name, __gpio, __VA_ARGS__)
 
 
/*============================ MACROFIED FUNCTIONS ===========================*/
/*============================ TYPES =========================================*/
 
typedef struct vsf_exti_gpio_irq_t {
    vsf_gpio_exti_isr_handler_t *handler_fn;
    void                        *target_ptr;
} vsf_exti_gpio_irq_t;
 
typedef struct vsf_exti_gpio_t {
#if VSF_EXTI_GPIO_CFG_MULTI_CLASS == ENABLED
    vsf_gpio_t vsf_gpio;
#endif
    vsf_gpio_t * gpio;
    vsf_arch_prio_t prio;
    vsf_exti_gpio_irq_t *exti_irq;
} vsf_exti_gpio_t;
 
/*============================ INCLUDES ======================================*/
 
#define VSF_GPIO_CFG_DEC_PREFIX              vsf_exti
#define VSF_GPIO_CFG_DEC_UPCASE_PREFIX       vsf_exti
#define VSF_GPIO_CFG_DEC_EXTERN_OP           ENABLED
#include "hal/driver/common/gpio/gpio_template.h"
 
/*============================ PROTOTYPES ====================================*/
 
extern vsf_err_t vsf_exti_gpio_exti_irq_pin_config(
    vsf_exti_gpio_t *hw_exti_gpio_ptr, vsf_gpio_pin_mask_t pin_mask,
    vsf_gpio_exti_irq_cfg_t *irq_cfg_ptr);
 
/*============================ IMPLEMENTATION ================================*/
 
#endif
 
#endif
/* EOF */