+++ /dev/null
-/*\r
- * Copyright (c) 2016, Freescale Semiconductor, Inc.\r
- * Copyright 2016-2018 NXP\r
- * All rights reserved.\r
- *\r
- * SPDX-License-Identifier: BSD-3-Clause\r
- */\r
-\r
-#include "fsl_gpio.h"\r
-\r
-/* Component ID definition, used by tools. */\r
-#ifndef FSL_COMPONENT_ID\r
-#define FSL_COMPONENT_ID "platform.drivers.lpc_gpio"\r
-#endif\r
-\r
-/*******************************************************************************\r
- * Variables\r
- ******************************************************************************/\r
-#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)\r
-/*! @brief Array to map FGPIO instance number to clock name. */\r
-static const clock_ip_name_t s_gpioClockName[] = GPIO_CLOCKS;\r
-#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */\r
-\r
-#if !(defined(FSL_FEATURE_GPIO_HAS_NO_RESET) && FSL_FEATURE_GPIO_HAS_NO_RESET)\r
-/*! @brief Pointers to GPIO resets for each instance. */\r
-static const reset_ip_name_t s_gpioResets[] = GPIO_RSTS_N;\r
-#endif\r
-/*******************************************************************************\r
- * Prototypes\r
- ************ ******************************************************************/\r
-\r
-/*******************************************************************************\r
- * Code\r
- ******************************************************************************/\r
-/*!\r
- * brief Initializes the GPIO peripheral.\r
- *\r
- * This function ungates the GPIO clock.\r
- *\r
- * param base GPIO peripheral base pointer.\r
- * param port GPIO port number.\r
- */\r
-void GPIO_PortInit(GPIO_Type *base, uint32_t port)\r
-{\r
-#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)\r
- assert(port < ARRAY_SIZE(s_gpioClockName));\r
-\r
- /* Upgate the GPIO clock */\r
- CLOCK_EnableClock(s_gpioClockName[port]);\r
-#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */\r
-#if !(defined(FSL_FEATURE_GPIO_HAS_NO_RESET) && FSL_FEATURE_GPIO_HAS_NO_RESET)\r
- /* Reset the GPIO module */\r
- RESET_PeripheralReset(s_gpioResets[port]);\r
-#endif\r
-}\r
-\r
-/*!\r
- * brief Initializes a GPIO pin used by the board.\r
- *\r
- * To initialize the GPIO, define a pin configuration, either input or output, in the user file.\r
- * Then, call the GPIO_PinInit() function.\r
- *\r
- * This is an example to define an input pin or output pin configuration:\r
- * code\r
- * // Define a digital input pin configuration,\r
- * gpio_pin_config_t config =\r
- * {\r
- * kGPIO_DigitalInput,\r
- * 0,\r
- * }\r
- * //Define a digital output pin configuration,\r
- * gpio_pin_config_t config =\r
- * {\r
- * kGPIO_DigitalOutput,\r
- * 0,\r
- * }\r
- * endcode\r
- *\r
- * param base GPIO peripheral base pointer(Typically GPIO)\r
- * param port GPIO port number\r
- * param pin GPIO pin number\r
- * param config GPIO pin configuration pointer\r
- */\r
-void GPIO_PinInit(GPIO_Type *base, uint32_t port, uint32_t pin, const gpio_pin_config_t *config)\r
-{\r
- if (config->pinDirection == kGPIO_DigitalInput)\r
- {\r
-#if defined(FSL_FEATURE_GPIO_DIRSET_AND_DIRCLR) && (FSL_FEATURE_GPIO_DIRSET_AND_DIRCLR)\r
- base->DIRCLR[port] = 1U << pin;\r
-#else\r
- base->DIR[port] &= ~(1U << pin);\r
-#endif /*FSL_FEATURE_GPIO_DIRSET_AND_DIRCLR*/\r
- }\r
- else\r
- {\r
- /* Set default output value */\r
- if (config->outputLogic == 0U)\r
- {\r
- base->CLR[port] = (1U << pin);\r
- }\r
- else\r
- {\r
- base->SET[port] = (1U << pin);\r
- }\r
-/* Set pin direction */\r
-#if defined(FSL_FEATURE_GPIO_DIRSET_AND_DIRCLR) && (FSL_FEATURE_GPIO_DIRSET_AND_DIRCLR)\r
- base->DIRSET[port] = 1U << pin;\r
-#else\r
- base->DIR[port] |= 1U << pin;\r
-#endif /*FSL_FEATURE_GPIO_DIRSET_AND_DIRCLR*/\r
- }\r
-}\r
-\r
-#if defined(FSL_FEATURE_GPIO_HAS_INTERRUPT) && FSL_FEATURE_GPIO_HAS_INTERRUPT\r
-/*!\r
- * @brief Configures the gpio pin interrupt.\r
- *\r
- * @param base GPIO base pointer.\r
- * @param port GPIO port number\r
- * @param pin GPIO pin number.\r
- * @param config GPIO pin interrupt configuration..\r
- */\r
-void GPIO_SetPinInterruptConfig(GPIO_Type *base, uint32_t port, uint32_t pin, gpio_interrupt_config_t *config)\r
-{\r
- base->INTEDG[port] = base->INTEDG[port] | (config->mode << pin);\r
-\r
- base->INTPOL[port] = base->INTPOL[port] | (config->polarity << pin);\r
-}\r
-\r
-/*!\r
- * @brief Enables multiple pins interrupt.\r
- *\r
- * @param base GPIO base pointer.\r
- * @param port GPIO port number.\r
- * @param index GPIO interrupt number.\r
- * @param mask GPIO pin number macro.\r
- */\r
-void GPIO_PortEnableInterrupts(GPIO_Type *base, uint32_t port, uint32_t index, uint32_t mask)\r
-{\r
- if (kGPIO_InterruptA == index)\r
- {\r
- base->INTENA[port] = base->INTENA[port] | mask;\r
- }\r
- else if (kGPIO_InterruptB == index)\r
- {\r
- base->INTENB[port] = base->INTENB[port] | mask;\r
- }\r
- else\r
- {\r
- /*Should not enter here*/\r
- }\r
-}\r
-\r
-/*!\r
- * @brief Disables multiple pins interrupt.\r
- *\r
- * @param base GPIO base pointer.\r
- * @param port GPIO port number.\r
- * @param index GPIO interrupt number.\r
- * @param mask GPIO pin number macro.\r
- */\r
-void GPIO_PortDisableInterrupts(GPIO_Type *base, uint32_t port, uint32_t index, uint32_t mask)\r
-{\r
- if (kGPIO_InterruptA == index)\r
- {\r
- base->INTENA[port] = base->INTENA[port] & ~mask;\r
- }\r
- else if (kGPIO_InterruptB == index)\r
- {\r
- base->INTENB[port] = base->INTENB[port] & ~mask;\r
- }\r
- else\r
- {\r
- /*Should not enter here*/\r
- }\r
-}\r
-\r
-/*!\r
- * @brief Clears multiple pins interrupt flag. Status flags are cleared by\r
- * writing a 1 to the corresponding bit position.\r
- *\r
- * @param base GPIO base pointer.\r
- * @param port GPIO port number.\r
- * @param index GPIO interrupt number.\r
- * @param mask GPIO pin number macro.\r
- */\r
-void GPIO_PortClearInterruptFlags(GPIO_Type *base, uint32_t port, uint32_t index, uint32_t mask)\r
-{\r
- if (kGPIO_InterruptA == index)\r
- {\r
- base->INTSTATA[port] = mask;\r
- }\r
- else if (kGPIO_InterruptB == index)\r
- {\r
- base->INTSTATB[port] = mask;\r
- }\r
- else\r
- {\r
- /*Should not enter here*/\r
- }\r
-}\r
-\r
-/*!\r
- * @ Read port interrupt status.\r
- *\r
- * @param base GPIO base pointer.\r
- * @param port GPIO port number\r
- * @param index GPIO interrupt number.\r
- * @retval masked GPIO status value\r
- */\r
-uint32_t GPIO_PortGetInterruptStatus(GPIO_Type *base, uint32_t port, uint32_t index)\r
-{\r
- uint32_t status = 0U;\r
-\r
- if (kGPIO_InterruptA == index)\r
- {\r
- status = base->INTSTATA[port];\r
- }\r
- else if (kGPIO_InterruptB == index)\r
- {\r
- status = base->INTSTATB[port];\r
- }\r
- else\r
- {\r
- /*Should not enter here*/\r
- }\r
- return status;\r
-\r
-}\r
-\r
-/*!\r
- * @brief Enables the specific pin interrupt.\r
- *\r
- * @param base GPIO base pointer.\r
- * @param port GPIO port number.\r
- * @param pin GPIO pin number.\r
- * @param index GPIO interrupt number.\r
- */\r
-void GPIO_PinEnableInterrupt(GPIO_Type *base, uint32_t port, uint32_t pin, uint32_t index)\r
-{\r
- if (kGPIO_InterruptA == index)\r
- {\r
- base->INTENA[port] = base->INTENA[port] | (1U << pin);\r
- }\r
- else if (kGPIO_InterruptB == index)\r
- {\r
- base->INTENB[port] = base->INTENB[port] | (1U << pin);\r
- }\r
- else\r
- {\r
- /*Should not enter here*/\r
- }\r
-}\r
-\r
-/*!\r
- * @brief Disables the specific pin interrupt.\r
- *\r
- * @param base GPIO base pointer.\r
- * @param port GPIO port number.\r
- * @param pin GPIO pin number.\r
- * @param index GPIO interrupt number.\r
- */\r
-void GPIO_PinDisableInterrupt(GPIO_Type *base, uint32_t port, uint32_t pin, uint32_t index)\r
-{\r
- if (kGPIO_InterruptA == index)\r
- {\r
- base->INTENA[port] = base->INTENA[port] & ~(1U << pin);\r
- }\r
- else if (kGPIO_InterruptB == index)\r
- {\r
- base->INTENB[port] = base->INTENB[port] & ~(1U << pin);\r
- }\r
- else\r
- {\r
- /*Should not enter here*/\r
- }\r
-}\r
-\r
-/*!\r
- * @brief Clears the specific pin interrupt flag. Status flags are cleared by\r
- * writing a 1 to the corresponding bit position.\r
- *\r
- * @param base GPIO base pointer.\r
- * @param port GPIO port number.\r
- * @param index GPIO interrupt number.\r
- * @param mask GPIO pin number macro.\r
- */\r
-void GPIO_PinClearInterruptFlag(GPIO_Type *base, uint32_t port, uint32_t pin, uint32_t index)\r
-{\r
- if (kGPIO_InterruptA == index)\r
- {\r
- base->INTSTATA[port] = 1U << pin;\r
- }\r
- else if (kGPIO_InterruptB == index)\r
- {\r
- base->INTSTATB[port] = 1U << pin;\r
- }\r
- else\r
- {\r
- /*Should not enter here*/\r
- }\r
-}\r
-#endif /* FSL_FEATURE_GPIO_HAS_INTERRUPT */\r
projects / freertos / blobdiff