diff options
Diffstat (limited to '')
| -rw-r--r-- | bsps/arm/imxrt/mcux-sdk/drivers/igpio/fsl_gpio.c | 183 | ||||
| -rw-r--r-- | bsps/arm/imxrt/mcux-sdk/drivers/igpio/fsl_gpio.h | 344 |
2 files changed, 527 insertions, 0 deletions
diff --git a/bsps/arm/imxrt/mcux-sdk/drivers/igpio/fsl_gpio.c b/bsps/arm/imxrt/mcux-sdk/drivers/igpio/fsl_gpio.c new file mode 100644 index 0000000000..68ccade87d --- /dev/null +++ b/bsps/arm/imxrt/mcux-sdk/drivers/igpio/fsl_gpio.c @@ -0,0 +1,183 @@ +/* + * Copyright (c) 2016, Freescale Semiconductor, Inc. + * Copyright 2016-2017, 2020-2021 NXP + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include "fsl_gpio.h" + +/* Component ID definition, used by tools. */ +#ifndef FSL_COMPONENT_ID +#define FSL_COMPONENT_ID "platform.drivers.igpio" +#endif + +/******************************************************************************* + * Variables + ******************************************************************************/ + +#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) +/* Array of GPIO peripheral base address. */ +static GPIO_Type *const s_gpioBases[] = GPIO_BASE_PTRS; +#endif + +#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) +/* Array of GPIO clock name. */ +static const clock_ip_name_t s_gpioClock[] = GPIO_CLOCKS; +#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ + +/******************************************************************************* + * Prototypes + ******************************************************************************/ + +#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) +/*! + * @brief Gets the GPIO instance according to the GPIO base + * + * @param base GPIO peripheral base pointer(PTA, PTB, PTC, etc.) + * @retval GPIO instance + */ +static uint32_t GPIO_GetInstance(GPIO_Type *base); + +/******************************************************************************* + * Code + ******************************************************************************/ + +static uint32_t GPIO_GetInstance(GPIO_Type *base) +{ + uint32_t instance; + + /* Find the instance index from base address mappings. */ + for (instance = 0U; instance < ARRAY_SIZE(s_gpioBases); instance++) + { + if (s_gpioBases[instance] == base) + { + break; + } + } + + assert(instance < ARRAY_SIZE(s_gpioBases)); + + return instance; +} +#endif + +/*! + * brief Initializes the GPIO peripheral according to the specified + * parameters in the initConfig. + * + * param base GPIO base pointer. + * param pin Specifies the pin number + * param initConfig pointer to a ref gpio_pin_config_t structure that + * contains the configuration information. + */ +void GPIO_PinInit(GPIO_Type *base, uint32_t pin, const gpio_pin_config_t *Config) +{ +#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) + /* Enable GPIO clock. */ + uint32_t instance = GPIO_GetInstance(base); + + /* If The clock IP is valid, enable the clock gate. */ + if ((instance < ARRAY_SIZE(s_gpioClock)) && (kCLOCK_IpInvalid != s_gpioClock[instance])) + { + (void)CLOCK_EnableClock(s_gpioClock[instance]); + } +#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ + + /* Register reset to default value */ + base->IMR &= ~(1UL << pin); + + /* Configure GPIO pin direction */ + if (Config->direction == kGPIO_DigitalInput) + { + base->GDIR &= ~(1UL << pin); + } + else + { + GPIO_PinWrite(base, pin, Config->outputLogic); + base->GDIR |= (1UL << pin); + } + + /* Configure GPIO pin interrupt mode */ + GPIO_SetPinInterruptConfig(base, pin, Config->interruptMode); +} + +/*! + * brief Sets the output level of the individual GPIO pin to logic 1 or 0. + * + * param base GPIO base pointer. + * param pin GPIO port pin number. + * param output GPIOpin output logic level. + * - 0: corresponding pin output low-logic level. + * - 1: corresponding pin output high-logic level. + */ +void GPIO_PinWrite(GPIO_Type *base, uint32_t pin, uint8_t output) +{ + assert(pin < 32U); + if (output == 0U) + { +#if (defined(FSL_FEATURE_IGPIO_HAS_DR_CLEAR) && FSL_FEATURE_IGPIO_HAS_DR_CLEAR) + base->DR_CLEAR = (1UL << pin); +#else + base->DR &= ~(1UL << pin); /* Set pin output to low level.*/ +#endif + } + else + { +#if (defined(FSL_FEATURE_IGPIO_HAS_DR_SET) && FSL_FEATURE_IGPIO_HAS_DR_SET) + base->DR_SET = (1UL << pin); +#else + base->DR |= (1UL << pin); /* Set pin output to high level.*/ +#endif + } +} + +/*! + * brief Sets the current pin interrupt mode. + * + * param base GPIO base pointer. + * param pin GPIO port pin number. + * param pininterruptMode pointer to a ref gpio_interrupt_mode_t structure + * that contains the interrupt mode information. + */ +void GPIO_PinSetInterruptConfig(GPIO_Type *base, uint32_t pin, gpio_interrupt_mode_t pinInterruptMode) +{ + volatile uint32_t *icr; + uint32_t icrShift; + + icrShift = pin; + + /* Register reset to default value */ + base->EDGE_SEL &= ~(1UL << pin); + + if (pin < 16U) + { + icr = &(base->ICR1); + } + else + { + icr = &(base->ICR2); + icrShift -= 16U; + } + switch (pinInterruptMode) + { + case (kGPIO_IntLowLevel): + *icr &= ~(3UL << (2UL * icrShift)); + break; + case (kGPIO_IntHighLevel): + *icr = (*icr & (~(3UL << (2UL * icrShift)))) | (1UL << (2UL * icrShift)); + break; + case (kGPIO_IntRisingEdge): + *icr = (*icr & (~(3UL << (2UL * icrShift)))) | (2UL << (2UL * icrShift)); + break; + case (kGPIO_IntFallingEdge): + *icr |= (3UL << (2UL * icrShift)); + break; + case (kGPIO_IntRisingOrFallingEdge): + base->EDGE_SEL |= (1UL << pin); + break; + default:; /* Intentional empty default */ + break; + } +} diff --git a/bsps/arm/imxrt/mcux-sdk/drivers/igpio/fsl_gpio.h b/bsps/arm/imxrt/mcux-sdk/drivers/igpio/fsl_gpio.h new file mode 100644 index 0000000000..bd0e7f20bb --- /dev/null +++ b/bsps/arm/imxrt/mcux-sdk/drivers/igpio/fsl_gpio.h @@ -0,0 +1,344 @@ +/* + * Copyright (c) 2016, Freescale Semiconductor, Inc. + * Copyright 2016-2020 NXP + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef _FSL_GPIO_H_ +#define _FSL_GPIO_H_ + +#include "fsl_common.h" + +/*! + * @addtogroup gpio_driver + * @{ + */ + +/******************************************************************************* + * Definitions + ******************************************************************************/ + +/*! @name Driver version */ +/*@{*/ +/*! @brief GPIO driver version. */ +#define FSL_GPIO_DRIVER_VERSION (MAKE_VERSION(2, 0, 6)) +/*@}*/ + +/*! @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 GPIO interrupt mode definition. */ +typedef enum _gpio_interrupt_mode +{ + kGPIO_NoIntmode = 0U, /*!< Set current pin general IO functionality.*/ + kGPIO_IntLowLevel = 1U, /*!< Set current pin interrupt is low-level sensitive.*/ + kGPIO_IntHighLevel = 2U, /*!< Set current pin interrupt is high-level sensitive.*/ + kGPIO_IntRisingEdge = 3U, /*!< Set current pin interrupt is rising-edge sensitive.*/ + kGPIO_IntFallingEdge = 4U, /*!< Set current pin interrupt is falling-edge sensitive.*/ + kGPIO_IntRisingOrFallingEdge = 5U, /*!< Enable the edge select bit to override the ICR register's configuration.*/ +} gpio_interrupt_mode_t; + +/*! @brief GPIO Init structure definition. */ +typedef struct _gpio_pin_config +{ + gpio_pin_direction_t direction; /*!< Specifies the pin direction. */ + uint8_t outputLogic; /*!< Set a default output logic, which has no use in input */ + gpio_interrupt_mode_t + interruptMode; /*!< Specifies the pin interrupt mode, a value of @ref gpio_interrupt_mode_t. */ +} gpio_pin_config_t; + +/******************************************************************************* + * API + ******************************************************************************/ + +#if defined(__cplusplus) +extern "C" { +#endif + +/*! + * @name GPIO Initialization and Configuration functions + * @{ + */ + +/*! + * @brief Initializes the GPIO peripheral according to the specified + * parameters in the initConfig. + * + * @param base GPIO base pointer. + * @param pin Specifies the pin number + * @param Config pointer to a @ref gpio_pin_config_t structure that + * contains the configuration information. + */ +void GPIO_PinInit(GPIO_Type *base, uint32_t pin, const gpio_pin_config_t *Config); +/*@}*/ + +/*! + * @name GPIO Reads and Write Functions + * @{ + */ + +/*! + * @brief Sets the output level of the individual GPIO pin to logic 1 or 0. + * + * @param base GPIO base pointer. + * @param pin GPIO port pin number. + * @param output GPIOpin output logic level. + * - 0: corresponding pin output low-logic level. + * - 1: corresponding pin output high-logic level. + */ +void GPIO_PinWrite(GPIO_Type *base, uint32_t pin, uint8_t output); + +/*! + * @brief Sets the output level of the individual GPIO pin to logic 1 or 0. + * @deprecated Do not use this function. It has been superceded by @ref GPIO_PinWrite. + */ +static inline void GPIO_WritePinOutput(GPIO_Type *base, uint32_t pin, uint8_t output) +{ + GPIO_PinWrite(base, pin, output); +} + +/*! + * @brief Sets the output level of the multiple GPIO pins to the logic 1. + * + * @param base GPIO peripheral base pointer (GPIO1, GPIO2, GPIO3, and so on.) + * @param mask GPIO pin number macro + */ +static inline void GPIO_PortSet(GPIO_Type *base, uint32_t mask) +{ +#if (defined(FSL_FEATURE_IGPIO_HAS_DR_SET) && (FSL_FEATURE_IGPIO_HAS_DR_SET == 1)) + base->DR_SET = mask; +#else + base->DR |= mask; +#endif /* FSL_FEATURE_IGPIO_HAS_DR_SET */ +} + +/*! + * @brief Sets the output level of the multiple GPIO pins to the logic 1. + * @deprecated Do not use this function. It has been superceded by @ref GPIO_PortSet. + */ +static inline void GPIO_SetPinsOutput(GPIO_Type *base, uint32_t mask) +{ + GPIO_PortSet(base, mask); +} + +/*! + * @brief Sets the output level of the multiple GPIO pins to the logic 0. + * + * @param base GPIO peripheral base pointer (GPIO1, GPIO2, GPIO3, and so on.) + * @param mask GPIO pin number macro + */ +static inline void GPIO_PortClear(GPIO_Type *base, uint32_t mask) +{ +#if (defined(FSL_FEATURE_IGPIO_HAS_DR_CLEAR) && (FSL_FEATURE_IGPIO_HAS_DR_CLEAR == 1)) + base->DR_CLEAR = mask; +#else + base->DR &= ~mask; +#endif /* FSL_FEATURE_IGPIO_HAS_DR_CLEAR */ +} + +/*! + * @brief Sets the output level of the multiple GPIO pins to the logic 0. + * @deprecated Do not use this function. It has been superceded by @ref GPIO_PortClear. + */ +static inline void GPIO_ClearPinsOutput(GPIO_Type *base, uint32_t mask) +{ + GPIO_PortClear(base, mask); +} + +/*! + * @brief Reverses the current output logic of the multiple GPIO pins. + * + * @param base GPIO peripheral base pointer (GPIO1, GPIO2, GPIO3, and so on.) + * @param mask GPIO pin number macro + */ +static inline void GPIO_PortToggle(GPIO_Type *base, uint32_t mask) +{ +#if (defined(FSL_FEATURE_IGPIO_HAS_DR_TOGGLE) && (FSL_FEATURE_IGPIO_HAS_DR_TOGGLE == 1)) + base->DR_TOGGLE = mask; +#else + base->DR ^= mask; +#endif /* FSL_FEATURE_IGPIO_HAS_DR_TOGGLE */ +} + +/*! + * @brief Reads the current input value of the GPIO port. + * + * @param base GPIO base pointer. + * @param pin GPIO port pin number. + * @retval GPIO port input value. + */ +static inline uint32_t GPIO_PinRead(GPIO_Type *base, uint32_t pin) +{ + assert(pin < 32U); + + return (((base->DR) >> pin) & 0x1U); +} + +/*! + * @brief Reads the current input value of the GPIO port. + * @deprecated Do not use this function. It has been superceded by @ref GPIO_PinRead. + */ +static inline uint32_t GPIO_ReadPinInput(GPIO_Type *base, uint32_t pin) +{ + return GPIO_PinRead(base, pin); +} +/*@}*/ + +/*! + * @name GPIO Reads Pad Status Functions + * @{ + */ + +/*! + * @brief Reads the current GPIO pin pad status. + * + * @param base GPIO base pointer. + * @param pin GPIO port pin number. + * @retval GPIO pin pad status value. + */ +static inline uint8_t GPIO_PinReadPadStatus(GPIO_Type *base, uint32_t pin) +{ + assert(pin < 32U); + + return (uint8_t)(((base->PSR) >> pin) & 0x1U); +} + +/*! + * @brief Reads the current GPIO pin pad status. + * @deprecated Do not use this function. It has been superceded by @ref GPIO_PinReadPadStatus. + */ +static inline uint8_t GPIO_ReadPadStatus(GPIO_Type *base, uint32_t pin) +{ + return GPIO_PinReadPadStatus(base, pin); +} + +/*@}*/ + +/*! + * @name Interrupts and flags management functions + * @{ + */ + +/*! + * @brief Sets the current pin interrupt mode. + * + * @param base GPIO base pointer. + * @param pin GPIO port pin number. + * @param pinInterruptMode pointer to a @ref gpio_interrupt_mode_t structure + * that contains the interrupt mode information. + */ +void GPIO_PinSetInterruptConfig(GPIO_Type *base, uint32_t pin, gpio_interrupt_mode_t pinInterruptMode); + +/*! + * @brief Sets the current pin interrupt mode. + * @deprecated Do not use this function. It has been superceded by @ref GPIO_PinSetInterruptConfig. + */ +static inline void GPIO_SetPinInterruptConfig(GPIO_Type *base, uint32_t pin, gpio_interrupt_mode_t pinInterruptMode) +{ + GPIO_PinSetInterruptConfig(base, pin, pinInterruptMode); +} + +/*! + * @brief Enables the specific pin interrupt. + * + * @param base GPIO base pointer. + * @param mask GPIO pin number macro. + */ +static inline void GPIO_PortEnableInterrupts(GPIO_Type *base, uint32_t mask) +{ + base->IMR |= mask; +} + +/*! + * @brief Enables the specific pin interrupt. + * + * @param base GPIO base pointer. + * @param mask GPIO pin number macro. + */ +static inline void GPIO_EnableInterrupts(GPIO_Type *base, uint32_t mask) +{ + GPIO_PortEnableInterrupts(base, mask); +} + +/*! + * @brief Disables the specific pin interrupt. + * + * @param base GPIO base pointer. + * @param mask GPIO pin number macro. + */ +static inline void GPIO_PortDisableInterrupts(GPIO_Type *base, uint32_t mask) +{ + base->IMR &= ~mask; +} + +/*! + * @brief Disables the specific pin interrupt. + * @deprecated Do not use this function. It has been superceded by @ref GPIO_PortDisableInterrupts. + */ +static inline void GPIO_DisableInterrupts(GPIO_Type *base, uint32_t mask) +{ + GPIO_PortDisableInterrupts(base, mask); +} + +/*! + * @brief Reads individual pin interrupt status. + * + * @param base GPIO base pointer. + * @retval current pin interrupt status flag. + */ +static inline uint32_t GPIO_PortGetInterruptFlags(GPIO_Type *base) +{ + return base->ISR; +} + +/*! + * @brief Reads individual pin interrupt status. + * + * @param base GPIO base pointer. + * @retval current pin interrupt status flag. + */ +static inline uint32_t GPIO_GetPinsInterruptFlags(GPIO_Type *base) +{ + return GPIO_PortGetInterruptFlags(base); +} + +/*! + * @brief Clears pin interrupt flag. Status flags are cleared by + * writing a 1 to the corresponding bit position. + * + * @param base GPIO base pointer. + * @param mask GPIO pin number macro. + */ +static inline void GPIO_PortClearInterruptFlags(GPIO_Type *base, uint32_t mask) +{ + base->ISR = mask; +} + +/*! + * @brief Clears pin interrupt flag. Status flags are cleared by + * writing a 1 to the corresponding bit position. + * + * @param base GPIO base pointer. + * @param mask GPIO pin number macro. + */ +static inline void GPIO_ClearPinsInterruptFlags(GPIO_Type *base, uint32_t mask) +{ + GPIO_PortClearInterruptFlags(base, mask); +} +/*@}*/ + +#if defined(__cplusplus) +} +#endif + +/*! + * @} + */ + +#endif /* _FSL_GPIO_H_*/ |