The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Dependents: hello SerialTestv11 SerialTestv12 Sierpinski ... more
mbed 2
This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
Diff: TARGET_KL82Z/TOOLCHAIN_IAR/fsl_gpio.h
- Revision:
- 171:3a7713b1edbc
- Parent:
- 145:64910690c574
diff -r e95d10626187 -r 3a7713b1edbc TARGET_KL82Z/TOOLCHAIN_IAR/fsl_gpio.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_KL82Z/TOOLCHAIN_IAR/fsl_gpio.h Thu Nov 08 11:45:42 2018 +0000 @@ -0,0 +1,389 @@ +/* + * Copyright (c) 2015, Freescale Semiconductor, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * o Redistributions of source code must retain the above copyright notice, this list + * of conditions and the following disclaimer. + * + * o Redistributions in binary form must reproduce the above copyright notice, this + * list of conditions and the following disclaimer in the documentation and/or + * other materials provided with the distribution. + * + * o Neither the name of Freescale Semiconductor, Inc. nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SDRVL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _FSL_GPIO_H_ +#define _FSL_GPIO_H_ + +#include "fsl_common.h" + +/*! + * @addtogroup gpio + * @{ + */ + + +/******************************************************************************* + * Definitions + ******************************************************************************/ + +/*! @name Driver version */ +/*@{*/ +/*! @brief GPIO driver version 2.1.0. */ +#define FSL_GPIO_DRIVER_VERSION (MAKE_VERSION(2, 1, 0)) +/*@}*/ + +/*! @brief GPIO direction definition*/ +typedef enum _gpio_pin_direction +{ + kGPIO_DigitalInput = 0U, /*!< Set current pin as digital input*/ + kGPIO_DigitalOutput = 1U, /*!< Set current pin as digital output*/ +} gpio_pin_direction_t; + +/*! + * @brief The GPIO pin configuration structure. + * + * Every pin can only be configured as either output pin or input pin at a time. + * If configured as a input pin, then leave the outputConfig unused + * Note : In some use cases, the corresponding port property should be configured in advance + * with the PORT_SetPinConfig() + */ +typedef struct _gpio_pin_config +{ + gpio_pin_direction_t pinDirection; /*!< GPIO direction, input or output */ + /* Output configurations, please ignore if configured as a input one */ + uint8_t outputLogic; /*!< Set default output logic, no use in input */ +} gpio_pin_config_t; + +/*! @} */ + +/******************************************************************************* + * API + ******************************************************************************/ + +#if defined(__cplusplus) +extern "C" { +#endif + +/*! + * @addtogroup gpio_driver + * @{ + */ + +/*! @name GPIO Configuration */ +/*@{*/ + +/*! + * @brief Initializes a GPIO pin used by the board. + * + * To initialize the GPIO, define a pin configuration, either input or output, in the user file. + * Then, call the GPIO_PinInit() function. + * + * This is an example to define an input pin or output pin configuration: + * @code + * // Define a digital input pin configuration, + * gpio_pin_config_t config = + * { + * kGPIO_DigitalInput, + * 0, + * } + * //Define a digital output pin configuration, + * gpio_pin_config_t config = + * { + * kGPIO_DigitalOutput, + * 0, + * } + * @endcode + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param pin GPIO port pin number + * @param config GPIO pin configuration pointer + */ +void GPIO_PinInit(GPIO_Type *base, uint32_t pin, const gpio_pin_config_t *config); + +/*@}*/ + +/*! @name GPIO Output Operations */ +/*@{*/ + +/*! + * @brief Sets the output level of the multiple GPIO pins to the logic 1 or 0. + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param pin GPIO pin number + * @param output GPIO pin output logic level. + * - 0: corresponding pin output low-logic level. + * - 1: corresponding pin output high-logic level. + */ +static inline void GPIO_WritePinOutput(GPIO_Type *base, uint32_t pin, uint8_t output) +{ + if (output == 0U) + { + base->PCOR = 1 << pin; + } + else + { + base->PSOR = 1 << pin; + } +} + +/*! + * @brief Sets the output level of the multiple GPIO pins to the logic 1. + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask GPIO pin number macro + */ +static inline void GPIO_SetPinsOutput(GPIO_Type *base, uint32_t mask) +{ + base->PSOR = mask; +} + +/*! + * @brief Sets the output level of the multiple GPIO pins to the logic 0. + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask GPIO pin number macro + */ +static inline void GPIO_ClearPinsOutput(GPIO_Type *base, uint32_t mask) +{ + base->PCOR = mask; +} + +/*! + * @brief Reverses current output logic of the multiple GPIO pins. + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask GPIO pin number macro + */ +static inline void GPIO_TogglePinsOutput(GPIO_Type *base, uint32_t mask) +{ + base->PTOR = mask; +} +/*@}*/ + +/*! @name GPIO Input Operations */ +/*@{*/ + +/*! + * @brief Reads the current input value of the whole GPIO port. + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param pin GPIO pin number + * @retval GPIO port input value + * - 0: corresponding pin input low-logic level. + * - 1: corresponding pin input high-logic level. + */ +static inline uint32_t GPIO_ReadPinInput(GPIO_Type *base, uint32_t pin) +{ + return (((base->PDIR) >> pin) & 0x01U); +} +/*@}*/ + +/*! @name GPIO Interrupt */ +/*@{*/ + +/*! + * @brief Reads whole GPIO port interrupt status flag. + * + * If a pin is configured to generate the DMA request, the corresponding flag + * is cleared automatically at the completion of the requested DMA transfer. + * Otherwise, the flag remains set until a logic one is written to that flag. + * If configured for a level sensitive interrupt that remains asserted, the flag + * is set again immediately. + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @retval Current GPIO port interrupt status flag, for example, 0x00010001 means the + * pin 0 and 17 have the interrupt. + */ +uint32_t GPIO_GetPinsInterruptFlags(GPIO_Type *base); + +/*! + * @brief Clears multiple GPIO pin interrupt status flag. + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask GPIO pin number macro + */ +void GPIO_ClearPinsInterruptFlags(GPIO_Type *base, uint32_t mask); + +/*@}*/ +/*! @} */ + +/*! + * @addtogroup fgpio_driver + * @{ + */ + +/* + * Introduce the FGPIO feature. + * + * The FGPIO features are only support on some of Kinetis chips. The FGPIO registers are aliased to the IOPORT + * interface. Accesses via the IOPORT interface occur in parallel with any instruction fetches and will therefore + * complete in a single cycle. This aliased Fast GPIO memory map is called FGPIO. + */ + +#if defined(FSL_FEATURE_SOC_FGPIO_COUNT) && FSL_FEATURE_SOC_FGPIO_COUNT + +/*! @name FGPIO Configuration */ +/*@{*/ + +/*! + * @brief Initializes a FGPIO pin used by the board. + * + * To initialize the FGPIO driver, define a pin configuration, either input or output, in the user file. + * Then, call the FGPIO_PinInit() function. + * + * This is an example to define an input pin or output pin configuration: + * @code + * // Define a digital input pin configuration, + * gpio_pin_config_t config = + * { + * kGPIO_DigitalInput, + * 0, + * } + * //Define a digital output pin configuration, + * gpio_pin_config_t config = + * { + * kGPIO_DigitalOutput, + * 0, + * } + * @endcode + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param pin FGPIO port pin number + * @param config FGPIO pin configuration pointer + */ +void FGPIO_PinInit(FGPIO_Type *base, uint32_t pin, const gpio_pin_config_t *config); + +/*@}*/ + +/*! @name FGPIO Output Operations */ +/*@{*/ + +/*! + * @brief Sets the output level of the multiple FGPIO pins to the logic 1 or 0. + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param pin FGPIO pin number + * @param output FGPIOpin output logic level. + * - 0: corresponding pin output low-logic level. + * - 1: corresponding pin output high-logic level. + */ +static inline void FGPIO_WritePinOutput(FGPIO_Type *base, uint32_t pin, uint8_t output) +{ + if (output == 0U) + { + base->PCOR = 1 << pin; + } + else + { + base->PSOR = 1 << pin; + } +} + +/*! + * @brief Sets the output level of the multiple FGPIO pins to the logic 1. + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask FGPIO pin number macro + */ +static inline void FGPIO_SetPinsOutput(FGPIO_Type *base, uint32_t mask) +{ + base->PSOR = mask; +} + +/*! + * @brief Sets the output level of the multiple FGPIO pins to the logic 0. + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask FGPIO pin number macro + */ +static inline void FGPIO_ClearPinsOutput(FGPIO_Type *base, uint32_t mask) +{ + base->PCOR = mask; +} + +/*! + * @brief Reverses current output logic of the multiple FGPIO pins. + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask FGPIO pin number macro + */ +static inline void FGPIO_TogglePinsOutput(FGPIO_Type *base, uint32_t mask) +{ + base->PTOR = mask; +} +/*@}*/ + +/*! @name FGPIO Input Operations */ +/*@{*/ + +/*! + * @brief Reads the current input value of the whole FGPIO port. + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param pin FGPIO pin number + * @retval FGPIO port input value + * - 0: corresponding pin input low-logic level. + * - 1: corresponding pin input high-logic level. + */ +static inline uint32_t FGPIO_ReadPinInput(FGPIO_Type *base, uint32_t pin) +{ + return (((base->PDIR) >> pin) & 0x01U); +} +/*@}*/ + +/*! @name FGPIO Interrupt */ +/*@{*/ + +/*! + * @brief Reads the whole FGPIO port interrupt status flag. + * + * If a pin is configured to generate the DMA request, the corresponding flag + * is cleared automatically at the completion of the requested DMA transfer. + * Otherwise, the flag remains set until a logic one is written to that flag. + * If configured for a level sensitive interrupt that remains asserted, the flag + * is set again immediately. + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @retval Current FGPIO port interrupt status flags, for example, 0x00010001 means the + * pin 0 and 17 have the interrupt. + */ +uint32_t FGPIO_GetPinsInterruptFlags(FGPIO_Type *base); + +/*! + * @brief Clears the multiple FGPIO pin interrupt status flag. + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask FGPIO pin number macro + */ +void FGPIO_ClearPinsInterruptFlags(FGPIO_Type *base, uint32_t mask); + +/*@}*/ + +#endif /* FSL_FEATURE_SOC_FGPIO_COUNT */ + +#if defined(__cplusplus) +} +#endif + +/*! + * @} + */ + +#endif /* _FSL_GPIO_H_*/