1 /*!
2  * \file      gpio-board.h
3  *
4  * \brief     Target board GPIO driver implementation
5  *
6  * \copyright Revised BSD License, see section \ref LICENSE.
7  *
8  * \code
9  *                ______                              _
10  *               / _____)             _              | |
11  *              ( (____  _____ ____ _| |_ _____  ____| |__
12  *               \____ \| ___ |    (_   _) ___ |/ ___)  _ \
13  *               _____) ) ____| | | || |_| ____( (___| | | |
14  *              (______/|_____)_|_|_| \__)_____)\____)_| |_|
15  *              (C)2013-2017 Semtech
16  *
17  * \endcode
18  *
19  * \author    Miguel Luis ( Semtech )
20  *
21  * \author    Gregory Cristian ( Semtech )
22  */
23 #ifndef __GPIO_BOARD_H__
24 #define __GPIO_BOARD_H__
25 
26 #ifdef __cplusplus
27 extern "C"
28 {
29 #endif
30 
31 #include "gpio.h"
32 
33 /*!
34  * \brief Initializes the given GPIO object
35  *
36  * \param [IN] obj    Pointer to the GPIO object
37  * \param [IN] pin    Pin name ( please look in pinName-board.h file )
38  * \param [IN] mode   Pin mode [PIN_INPUT, PIN_OUTPUT,
39  *                              PIN_ALTERNATE_FCT, PIN_ANALOGIC]
40  * \param [IN] config Pin config [PIN_PUSH_PULL, PIN_OPEN_DRAIN]
41  * \param [IN] type   Pin type [PIN_NO_PULL, PIN_PULL_UP, PIN_PULL_DOWN]
42  * \param [IN] value  Default output value at initialization
43  */
44 void GpioMcuInit( Gpio_t *obj, PinNames pin, PinModes mode, PinConfigs config, PinTypes type, uint32_t value );
45 
46 /*!
47  * \brief Sets a user defined object pointer
48  *
49  * \param [IN] context User defined data object pointer to pass back
50  *                     on IRQ handler callback
51  */
52 void GpioMcuSetContext( Gpio_t *obj, void* context );
53 
54 /*!
55  * \brief GPIO IRQ Initialization
56  *
57  * \param [IN] obj         Pointer to the GPIO object
58  * \param [IN] irqMode     IRQ mode [NO_IRQ, IRQ_RISING_EDGE,
59  *                                   IRQ_FALLING_EDGE, IRQ_RISING_FALLING_EDGE]
60  * \param [IN] irqPriority IRQ priority [IRQ_VERY_LOW_PRIORITY, IRQ_LOW_PRIORITY
61  *                                       IRQ_MEDIUM_PRIORITY, IRQ_HIGH_PRIORITY
62  *                                       IRQ_VERY_HIGH_PRIORITY]
63  * \param [IN] irqHandler  Callback function pointer
64  */
65 void GpioMcuSetInterrupt( Gpio_t *obj, IrqModes irqMode, IrqPriorities irqPriority, GpioIrqHandler *irqHandler );
66 
67 /*!
68  * \brief Removes the interrupt from the object
69  *
70  * \param [IN] obj Pointer to the GPIO object
71  */
72 void GpioMcuRemoveInterrupt( Gpio_t *obj );
73 
74 /*!
75  * \brief Writes the given value to the GPIO output
76  *
77  * \param [IN] obj   Pointer to the GPIO object
78  * \param [IN] value New GPIO output value
79  */
80 void GpioMcuWrite( Gpio_t *obj, uint32_t value );
81 
82 /*!
83  * \brief Toggle the value to the GPIO output
84  *
85  * \param [IN] obj   Pointer to the GPIO object
86  */
87 void GpioMcuToggle( Gpio_t *obj );
88 
89 /*!
90  * \brief Reads the current GPIO input value
91  *
92  * \param [IN] obj Pointer to the GPIO object
93  * \retval value   Current GPIO input value
94  */
95 uint32_t GpioMcuRead( Gpio_t *obj );
96 
97 #ifdef __cplusplus
98 }
99 #endif
100 
101 #endif // __GPIO_BOARD_H__
102