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_LPC54114/TOOLCHAIN_IAR/fsl_gpio.h
- Revision:
- 171:3a7713b1edbc
- Parent:
- 148:fd96258d940d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_LPC54114/TOOLCHAIN_IAR/fsl_gpio.h Thu Nov 08 11:45:42 2018 +0000 @@ -0,0 +1,250 @@ +/* + * Copyright (c) 2016, 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 _LPC_GPIO_H_ +#define _LPC_GPIO_H_ + +#include "fsl_common.h" + +/*! + * @addtogroup lpc_gpio + * @{ + */ + +/*! @file */ + +/******************************************************************************* + * Definitions + ******************************************************************************/ + +/*! @name Driver version */ +/*@{*/ +/*! @brief LPC GPIO driver version 1.0.0. */ +#define FSL_GPIO_DRIVER_VERSION (MAKE_VERSION(1, 0, 0)) +/*@}*/ + +/*! @brief LPC 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. + */ +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 + +/*! @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(Typically GPIO) + * @param port GPIO port number + * @param pin GPIO pin number + * @param config GPIO pin configuration pointer + */ +void GPIO_PinInit(GPIO_Type *base, uint32_t port, uint32_t pin, const gpio_pin_config_t *config); + +/*@}*/ + +/*! @name GPIO Output Operations */ +/*@{*/ + +/*! + * @brief Sets the output level of the one GPIO pin to the logic 1 or 0. + * + * @param base GPIO peripheral base pointer(Typically GPIO) + * @param port GPIO port number + * @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 port, uint32_t pin, uint8_t output) +{ + base->B[port][pin] = output; +} +/*@}*/ +/*! @name GPIO Input Operations */ +/*@{*/ + +/*! + * @brief Reads the current input value of the GPIO PIN. + * + * @param base GPIO peripheral base pointer(Typically GPIO) + * @param port GPIO port number + * @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 port, uint32_t pin) +{ + return (uint32_t)base->B[port][pin]; +} +/*@}*/ + +/*! + * @brief Sets the output level of the multiple GPIO pins to the logic 1. + * + * @param base GPIO peripheral base pointer(Typically GPIO) + * @param port GPIO port number + * @param mask GPIO pin number macro + */ +static inline void GPIO_SetPinsOutput(GPIO_Type *base, uint32_t port, uint32_t mask) +{ + base->SET[port] = mask; +} + +/*! + * @brief Sets the output level of the multiple GPIO pins to the logic 0. + * + * @param base GPIO peripheral base pointer(Typically GPIO) + * @param port GPIO port number + * @param mask GPIO pin number macro + */ +static inline void GPIO_ClearPinsOutput(GPIO_Type *base, uint32_t port, uint32_t mask) +{ + base->CLR[port] = mask; +} + +/*! + * @brief Reverses current output logic of the multiple GPIO pins. + * + * @param base GPIO peripheral base pointer(Typically GPIO) + * @param port GPIO port number + * @param mask GPIO pin number macro + */ +static inline void GPIO_TogglePinsOutput(GPIO_Type *base, uint32_t port, uint32_t mask) +{ + base->NOT[port] = mask; +} +/*@}*/ + +/*! + * @brief Reads the current input value of the whole GPIO port. + * + * @param base GPIO peripheral base pointer(Typically GPIO) + * @param port GPIO port number + */ +static inline uint32_t GPIO_ReadPinsInput(GPIO_Type *base, uint32_t port) +{ + return (uint32_t)base->PIN[port]; +} + +/*@}*/ +/*! @name GPIO Mask Operations */ +/*@{*/ + +/*! + * @brief Sets port mask, 0 - enable pin, 1 - disable pin. + * + * @param base GPIO peripheral base pointer(Typically GPIO) + * @param port GPIO port number + * @param mask GPIO pin number macro + */ +static inline void GPIO_SetPortMask(GPIO_Type *base, uint32_t port, uint32_t mask) +{ + base->MASK[port] = mask; +} + +/*! + * @brief Sets the output level of the masked GPIO port. Only pins enabled by GPIO_SetPortMask() will be affected. + * + * @param base GPIO peripheral base pointer(Typically GPIO) + * @param port GPIO port number + * @param output GPIO port output value. + */ +static inline void GPIO_WriteMPort(GPIO_Type *base, uint32_t port, uint32_t output) +{ + base->MPIN[port] = output; +} + +/*! + * @brief Reads the current input value of the masked GPIO port. Only pins enabled by GPIO_SetPortMask() will be + * affected. + * + * @param base GPIO peripheral base pointer(Typically GPIO) + * @param port GPIO port number + * @retval masked GPIO port value + */ +static inline uint32_t GPIO_ReadMPort(GPIO_Type *base, uint32_t port) +{ + return (uint32_t)base->MPIN[port]; +} + +/*@}*/ + +#if defined(__cplusplus) +} +#endif + +/*! + * @} + */ + +#endif /* _LPC_GPIO_H_*/