/** * \file * * \brief Port * * Copyright (c) 2014-2018 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_GPIO_INCLUDED_ #define _HAL_GPIO_INCLUDED_ #include #include #ifdef __cplusplus extern "C" { #endif /** * \brief Set gpio pull mode * * Set pin pull mode, non existing pull modes throws an fatal assert * * \param[in] pin The pin number for device * \param[in] pull_mode GPIO_PULL_DOWN = Pull pin low with internal resistor * GPIO_PULL_UP = Pull pin high with internal resistor * GPIO_PULL_OFF = Disable pin pull mode */ static inline void gpio_set_pin_pull_mode(const uint8_t pin, const enum gpio_pull_mode pull_mode) { _gpio_set_pin_pull_mode((enum gpio_port)GPIO_PORT(pin), pin & 0x1F, pull_mode); } /** * \brief Set pin function * * Select which function a pin will be used for * * \param[in] pin The pin number for device * \param[in] function The pin function is given by a 32-bit wide bitfield * found in the header files for the device * */ static inline void gpio_set_pin_function(const uint32_t pin, uint32_t function) { _gpio_set_pin_function(pin, function); } /** * \brief Set port data direction * * Select if the pin data direction is input, output or disabled. * If disabled state is not possible, this function throws an assert. * * \param[in] port Ports are grouped into groups of maximum 32 pins, * GPIO_PORTA = group 0, GPIO_PORTB = group 1, etc * \param[in] mask Bit mask where 1 means apply direction setting to the * corresponding pin * \param[in] direction GPIO_DIRECTION_IN = Data direction in * GPIO_DIRECTION_OUT = Data direction out * GPIO_DIRECTION_OFF = Disables the pin * (low power state) */ static inline void gpio_set_port_direction(const enum gpio_port port, const uint32_t mask, const enum gpio_direction direction) { _gpio_set_direction(port, mask, direction); } /** * \brief Set gpio data direction * * Select if the pin data direction is input, output or disabled. * If disabled state is not possible, this function throws an assert. * * \param[in] pin The pin number for device * \param[in] direction GPIO_DIRECTION_IN = Data direction in * GPIO_DIRECTION_OUT = Data direction out * GPIO_DIRECTION_OFF = Disables the pin * (low power state) */ static inline void gpio_set_pin_direction(const uint8_t pin, const enum gpio_direction direction) { _gpio_set_direction((enum gpio_port)GPIO_PORT(pin), 1U << GPIO_PIN(pin), direction); } /** * \brief Set port level * * Sets output level on the pins defined by the bit mask * * \param[in] port Ports are grouped into groups of maximum 32 pins, * GPIO_PORTA = group 0, GPIO_PORTB = group 1, etc * \param[in] mask Bit mask where 1 means apply port level to the corresponding * pin * \param[in] level true = Pin levels set to "high" state * false = Pin levels set to "low" state */ static inline void gpio_set_port_level(const enum gpio_port port, const uint32_t mask, const bool level) { _gpio_set_level(port, mask, level); } /** * \brief Set gpio level * * Sets output level on a pin * * \param[in] pin The pin number for device * \param[in] level true = Pin level set to "high" state * false = Pin level set to "low" state */ static inline void gpio_set_pin_level(const uint8_t pin, const bool level) { _gpio_set_level((enum gpio_port)GPIO_PORT(pin), 1U << GPIO_PIN(pin), level); } /** * \brief Toggle out level on pins * * Toggle the pin levels on pins defined by bit mask * * \param[in] port Ports are grouped into groups of maximum 32 pins, * GPIO_PORTA = group 0, GPIO_PORTB = group 1, etc * \param[in] mask Bit mask where 1 means toggle pin level to the corresponding * pin */ static inline void gpio_toggle_port_level(const enum gpio_port port, const uint32_t mask) { _gpio_toggle_level(port, mask); } /** * \brief Toggle output level on pin * * Toggle the pin levels on pins defined by bit mask * * \param[in] pin The pin number for device */ static inline void gpio_toggle_pin_level(const uint8_t pin) { _gpio_toggle_level((enum gpio_port)GPIO_PORT(pin), 1U << GPIO_PIN(pin)); } /** * \brief Get input level on pins * * Read the input level on pins connected to a port * * \param[in] port Ports are grouped into groups of maximum 32 pins, * GPIO_PORTA = group 0, GPIO_PORTB = group 1, etc */ static inline uint32_t gpio_get_port_level(const enum gpio_port port) { return _gpio_get_level(port); } /** * \brief Get level on pin * * Reads the level on pins connected to a port * * \param[in] pin The pin number for device */ static inline bool gpio_get_pin_level(const uint8_t pin) { return (bool)(_gpio_get_level((enum gpio_port)GPIO_PORT(pin)) & (0x01U << GPIO_PIN(pin))); } /** * \brief Get current driver version */ uint32_t gpio_get_version(void); #ifdef __cplusplus } #endif #endif