1 files changed, 118 insertions, 0 deletions
diff --git a/watch-library/hal/include/hal_ext_irq.h b/watch-library/hal/include/hal_ext_irq.h
new file mode 100644
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+++ b/watch-library/hal/include/hal_ext_irq.h
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+/**
+ * \file
+ *
+ * \brief External interrupt functionality declaration.
+ *
+ * Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries.
+ *
+ * \asf_license_start
+ *
+ * \page License
+ *
+ * Subject to your compliance with these terms, you may use Microchip
+ * software and any derivatives exclusively with Microchip products.
+ * It is your responsibility to comply with third party license terms applicable
+ * to your use of third party software (including open source software) that
+ * may accompany Microchip software.
+ *
+ * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
+ * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
+ * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
+ * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
+ * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
+ * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
+ * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
+ * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE.  TO THE FULLEST EXTENT
+ * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
+ * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
+ * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
+ *
+ * \asf_license_stop
+ *
+ */
+
+#ifndef _HAL_EXT_IRQ_H_INCLUDED
+#define _HAL_EXT_IRQ_H_INCLUDED
+
+#include <hpl_ext_irq.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \addtogroup doc_driver_hal_ext_irq
+ *
+ * @{
+ */
+
+/**
+ * \brief External IRQ callback type
+ */
+typedef void (*ext_irq_cb_t)(void);
+
+/**
+ * \brief Initialize external IRQ component, if any
+ *
+ * \return Initialization status.
+ * \retval -1 External IRQ module is already initialized
+ * \retval 0 The initialization is completed successfully
+ */
+int32_t ext_irq_init(void);
+
+/**
+ * \brief Deinitialize external IRQ, if any
+ *
+ * \return De-initialization status.
+ * \retval -1 External IRQ module is already deinitialized
+ * \retval 0 The de-initialization is completed successfully
+ */
+int32_t ext_irq_deinit(void);
+
+/**
+ * \brief Register callback for the given external interrupt
+ *
+ * \param[in] pin Pin to enable external IRQ on
+ * \param[in] cb Callback function
+ *
+ * \return Registration status.
+ * \retval -1 Passed parameters were invalid
+ * \retval 0 The callback registration is completed successfully
+ */
+int32_t ext_irq_register(const uint32_t pin, ext_irq_cb_t cb);
+
+/**
+ * \brief Enable external IRQ
+ *
+ * \param[in] pin Pin to enable external IRQ on
+ *
+ * \return Enabling status.
+ * \retval -1 Passed parameters were invalid
+ * \retval 0 The enabling is completed successfully
+ */
+int32_t ext_irq_enable(const uint32_t pin);
+
+/**
+ * \brief Disable external IRQ
+ *
+ * \param[in] pin Pin to enable external IRQ on
+ *
+ * \return Disabling status.
+ * \retval -1 Passed parameters were invalid
+ * \retval 0 The disabling is completed successfully
+ */
+int32_t ext_irq_disable(const uint32_t pin);
+
+/**
+ * \brief Retrieve the current driver version
+ *
+ * \return Current driver version.
+ */
+uint32_t ext_irq_get_version(void);
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _HAL_EXT_IRQ_H_INCLUDED */