Contiki-NG
gpio-interrupt.c
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1 /*
2  * Copyright (c) 2014, Texas Instruments Incorporated - http://www.ti.com/
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the copyright holder nor the names of its
14  * contributors may be used to endorse or promote products derived
15  * from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
20  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
21  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
28  * OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 /*---------------------------------------------------------------------------*/
31 /**
32  * \addtogroup cc26xx
33  * @{
34  *
35  * \file
36  * CC13xx/CC26xx GPIO interrupt ISR.
37  */
38 /*---------------------------------------------------------------------------*/
39 #include "contiki.h"
40 #include "dev/gpio-hal.h"
41 #include "ti-lib.h"
42 
43 #include <string.h>
44 /*---------------------------------------------------------------------------*/
45 #define gpio_interrupt_isr GPIOIntHandler
46 /*---------------------------------------------------------------------------*/
47 void
48 gpio_interrupt_isr(void)
49 {
50  gpio_hal_pin_mask_t pin_mask;
51 
52  /* Read interrupt flags */
53  pin_mask = (HWREG(GPIO_BASE + GPIO_O_EVFLAGS31_0) & GPIO_DIO_ALL_MASK);
54 
55  /* Clear the interrupt flags */
56  HWREG(GPIO_BASE + GPIO_O_EVFLAGS31_0) = pin_mask;
57 
58  gpio_hal_event_handler(pin_mask);
59 }
60 /*---------------------------------------------------------------------------*/
61 /** @} */
Header file with macros which rename TI CC26xxware functions.
uint32_t gpio_hal_pin_mask_t
GPIO pin mask representation.
Definition: gpio-hal.h:142
Header file for the GPIO HAL.
void gpio_hal_event_handler(gpio_hal_port_t port, gpio_hal_pin_mask_t pins)
The platform-independent GPIO event handler.