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202 lines
6.3 KiB
C
202 lines
6.3 KiB
C
/**
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* \file
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*
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* \brief Port
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*
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* Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.
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*
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* \asf_license_start
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*
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* \page License
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*
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* Subject to your compliance with these terms, you may use Microchip
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* software and any derivatives exclusively with Microchip products.
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* It is your responsibility to comply with third party license terms applicable
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* to your use of third party software (including open source software) that
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* may accompany Microchip software.
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*
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* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
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* WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
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* INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
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* AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
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* LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
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* LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
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* SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
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* POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
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* ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
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* RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
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* THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
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*
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* \asf_license_stop
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*/
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#ifndef _HAL_GPIO_INCLUDED_
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#define _HAL_GPIO_INCLUDED_
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#include <hpl_gpio.h>
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#include <utils_assert.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief Set gpio pull mode
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*
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* Set pin pull mode, non existing pull modes throws an fatal assert
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*
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* \param[in] pin The pin number for device
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* \param[in] pull_mode GPIO_PULL_DOWN = Pull pin low with internal resistor
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* GPIO_PULL_UP = Pull pin high with internal resistor
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* GPIO_PULL_OFF = Disable pin pull mode
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*/
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static inline void gpio_set_pin_pull_mode(const uint8_t pin, const enum gpio_pull_mode pull_mode)
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{
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_gpio_set_pin_pull_mode((enum gpio_port)GPIO_PORT(pin), pin & 0x1F, pull_mode);
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}
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/**
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* \brief Set pin function
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*
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* Select which function a pin will be used for
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*
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* \param[in] pin The pin number for device
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* \param[in] function The pin function is given by a 32-bit wide bitfield
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* found in the header files for the device
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*
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*/
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static inline void gpio_set_pin_function(const uint32_t pin, uint32_t function)
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{
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_gpio_set_pin_function(pin, function);
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}
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/**
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* \brief Set port data direction
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*
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* Select if the pin data direction is input, output or disabled.
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* If disabled state is not possible, this function throws an assert.
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*
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* \param[in] port Ports are grouped into groups of maximum 32 pins,
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* GPIO_PORTA = group 0, GPIO_PORTB = group 1, etc
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* \param[in] mask Bit mask where 1 means apply direction setting to the
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* corresponding pin
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* \param[in] direction GPIO_DIRECTION_IN = Data direction in
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* GPIO_DIRECTION_OUT = Data direction out
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* GPIO_DIRECTION_OFF = Disables the pin
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* (low power state)
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*/
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static inline void gpio_set_port_direction(const enum gpio_port port, const uint32_t mask,
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const enum gpio_direction direction)
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{
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_gpio_set_direction(port, mask, direction);
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}
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/**
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* \brief Set gpio data direction
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*
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* Select if the pin data direction is input, output or disabled.
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* If disabled state is not possible, this function throws an assert.
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*
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* \param[in] pin The pin number for device
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* \param[in] direction GPIO_DIRECTION_IN = Data direction in
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* GPIO_DIRECTION_OUT = Data direction out
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* GPIO_DIRECTION_OFF = Disables the pin
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* (low power state)
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*/
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static inline void gpio_set_pin_direction(const uint8_t pin, const enum gpio_direction direction)
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{
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_gpio_set_direction((enum gpio_port)GPIO_PORT(pin), 1U << GPIO_PIN(pin), direction);
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}
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/**
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* \brief Set port level
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*
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* Sets output level on the pins defined by the bit mask
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*
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* \param[in] port Ports are grouped into groups of maximum 32 pins,
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* GPIO_PORTA = group 0, GPIO_PORTB = group 1, etc
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* \param[in] mask Bit mask where 1 means apply port level to the corresponding
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* pin
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* \param[in] level true = Pin levels set to "high" state
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* false = Pin levels set to "low" state
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*/
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static inline void gpio_set_port_level(const enum gpio_port port, const uint32_t mask, const bool level)
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{
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_gpio_set_level(port, mask, level);
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}
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/**
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* \brief Set gpio level
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*
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* Sets output level on a pin
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*
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* \param[in] pin The pin number for device
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* \param[in] level true = Pin level set to "high" state
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* false = Pin level set to "low" state
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*/
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static inline void gpio_set_pin_level(const uint8_t pin, const bool level)
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{
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_gpio_set_level((enum gpio_port)GPIO_PORT(pin), 1U << GPIO_PIN(pin), level);
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}
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/**
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* \brief Toggle out level on pins
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*
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* Toggle the pin levels on pins defined by bit mask
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*
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* \param[in] port Ports are grouped into groups of maximum 32 pins,
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* GPIO_PORTA = group 0, GPIO_PORTB = group 1, etc
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* \param[in] mask Bit mask where 1 means toggle pin level to the corresponding
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* pin
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*/
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static inline void gpio_toggle_port_level(const enum gpio_port port, const uint32_t mask)
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{
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_gpio_toggle_level(port, mask);
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}
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/**
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* \brief Toggle output level on pin
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*
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* Toggle the pin levels on pins defined by bit mask
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*
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* \param[in] pin The pin number for device
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*/
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static inline void gpio_toggle_pin_level(const uint8_t pin)
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{
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_gpio_toggle_level((enum gpio_port)GPIO_PORT(pin), 1U << GPIO_PIN(pin));
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}
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/**
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* \brief Get input level on pins
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*
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* Read the input level on pins connected to a port
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*
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* \param[in] port Ports are grouped into groups of maximum 32 pins,
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* GPIO_PORTA = group 0, GPIO_PORTB = group 1, etc
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*/
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static inline uint32_t gpio_get_port_level(const enum gpio_port port)
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{
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return _gpio_get_level(port);
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}
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/**
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* \brief Get level on pin
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*
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* Reads the level on pins connected to a port
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*
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* \param[in] pin The pin number for device
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*/
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static inline bool gpio_get_pin_level(const uint8_t pin)
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{
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return (bool)(_gpio_get_level((enum gpio_port)GPIO_PORT(pin)) & (0x01U << GPIO_PIN(pin)));
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}
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/**
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* \brief Get current driver version
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*/
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uint32_t gpio_get_version(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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