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Diffstat (limited to 'drivers/fsl_common.h')
| -rw-r--r-- | drivers/fsl_common.h | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/drivers/fsl_common.h b/drivers/fsl_common.h new file mode 100644 index 0000000..a843078 --- /dev/null +++ b/drivers/fsl_common.h @@ -0,0 +1,254 @@ +/* + * 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 SHALL 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_COMMON_H_ +#define _FSL_COMMON_H_ + +#include <assert.h> +#include <stdbool.h> +#include <stdint.h> +#include <string.h> +#include "fsl_device_registers.h" + +/*! + * @addtogroup ksdk_common + * @{ + */ + + +/******************************************************************************* + * Definitions + ******************************************************************************/ + +/*! @brief Construct a status code value from a group and code number. */ +#define MAKE_STATUS(group, code) ((((group)*100) + (code))) + +/*! @brief Construct the version number for drivers. */ +#define MAKE_VERSION(major, minor, bugfix) (((major) << 16) | ((minor) << 8) | (bugfix)) + +/* Debug console type definition. */ +#define DEBUG_CONSOLE_DEVICE_TYPE_NONE 0U /*!< No debug console. */ +#define DEBUG_CONSOLE_DEVICE_TYPE_UART 1U /*!< Debug console base on UART. */ +#define DEBUG_CONSOLE_DEVICE_TYPE_LPUART 2U /*!< Debug console base on LPUART. */ +#define DEBUG_CONSOLE_DEVICE_TYPE_LPSCI 3U /*!< Debug console base on LPSCI. */ +#define DEBUG_CONSOLE_DEVICE_TYPE_USBCDC 4U /*!< Debug console base on USBCDC. */ + +/*! @brief Status group numbers. */ +enum _status_groups +{ + kStatusGroup_Generic = 0, /*!< Group number for generic status codes. */ + kStatusGroup_FLASH = 1, /*!< Group number for FLASH status codes. */ + kStatusGroup_LPSPI = 4, /*!< Group number for LPSPI status codes. */ + kStatusGroup_FLEXIO_SPI = 5, /*!< Group number for FLEXIO SPI status codes. */ + kStatusGroup_DSPI = 6, /*!< Group number for DSPI status codes. */ + kStatusGroup_FLEXIO_UART = 7, /*!< Group number for FLEXIO UART status codes. */ + kStatusGroup_FLEXIO_I2C = 8, /*!< Group number for FLEXIO I2C status codes. */ + kStatusGroup_LPI2C = 9, /*!< Group number for LPI2C status codes. */ + kStatusGroup_UART = 10, /*!< Group number for UART status codes. */ + kStatusGroup_I2C = 11, /*!< Group number for UART status codes. */ + kStatusGroup_LPSCI = 12, /*!< Group number for LPSCI status codes. */ + kStatusGroup_LPUART = 13, /*!< Group number for LPUART status codes. */ + kStatusGroup_SPI = 14, /*!< Group number for SPI status code.*/ + kStatusGroup_XRDC = 15, /*!< Group number for XRDC status code.*/ + kStatusGroup_SEMA42 = 16, /*!< Group number for SEMA42 status code.*/ + kStatusGroup_SDHC = 17, /*!< Group number for SDHC status code */ + kStatusGroup_SDMMC = 18, /*!< Group number for SDMMC status code */ + kStatusGroup_SAI = 19, /*!< Group number for SAI status code */ + kStatusGroup_MCG = 20, /*!< Group number for MCG status codes. */ + kStatusGroup_SCG = 21, /*!< Group number for SCG status codes. */ + kStatusGroup_SDSPI = 22, /*!< Group number for SDSPI status codes. */ + kStatusGroup_FLEXIO_I2S = 23, /*!< Group number for FLEXIO I2S status codes */ + kStatusGroup_SDRAMC = 35, /*!< Group number for SDRAMC status codes. */ + kStatusGroup_POWER = 39, /*!< Group number for POWER status codes. */ + kStatusGroup_ENET = 40, /*!< Group number for ENET status codes. */ + kStatusGroup_PHY = 41, /*!< Group number for PHY status codes. */ + kStatusGroup_TRGMUX = 42, /*!< Group number for TRGMUX status codes. */ + kStatusGroup_SMARTCARD = 43, /*!< Group number for SMARTCARD status codes. */ + kStatusGroup_LMEM = 44, /*!< Group number for LMEM status codes. */ + kStatusGroup_QSPI = 45, /*!< Group number for QSPI status codes. */ + kStatusGroup_DMA = 50, /*!< Group number for DMA status codes. */ + kStatusGroup_EDMA = 51, /*!< Group number for EDMA status codes. */ + kStatusGroup_DMAMGR = 52, /*!< Group number for DMAMGR status codes. */ + kStatusGroup_FLEXCAN = 53, /*!< Group number for FlexCAN status codes. */ + kStatusGroup_LTC = 54, /*!< Group number for LTC status codes. */ + kStatusGroup_FLEXIO_CAMERA = 55, /*!< Group number for FLEXIO CAMERA status codes. */ + kStatusGroup_NOTIFIER = 98, /*!< Group number for NOTIFIER status codes. */ + kStatusGroup_DebugConsole = 99, /*!< Group number for debug console status codes. */ + kStatusGroup_ApplicationRangeStart = 100, /*!< Starting number for application groups. */ +}; + +/*! @brief Generic status return codes. */ +enum _generic_status +{ + kStatus_Success = MAKE_STATUS(kStatusGroup_Generic, 0), + kStatus_Fail = MAKE_STATUS(kStatusGroup_Generic, 1), + kStatus_ReadOnly = MAKE_STATUS(kStatusGroup_Generic, 2), + kStatus_OutOfRange = MAKE_STATUS(kStatusGroup_Generic, 3), + kStatus_InvalidArgument = MAKE_STATUS(kStatusGroup_Generic, 4), + kStatus_Timeout = MAKE_STATUS(kStatusGroup_Generic, 5), + kStatus_NoTransferInProgress = MAKE_STATUS(kStatusGroup_Generic, 6), +}; + +/*! @brief Type used for all status and error return values. */ +typedef int32_t status_t; + +/* + * The fsl_clock.h is included here because it needs MAKE_VERSION/MAKE_STATUS/status_t + * defined in previous of this file. + */ +#include "fsl_clock.h" + +/*! @name Min/max macros */ +/* @{ */ +#if !defined(MIN) +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#endif + +#if !defined(MAX) +#define MAX(a, b) ((a) > (b) ? (a) : (b)) +#endif +/* @} */ + +/*! @brief Computes the number of elements in an array. */ +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) + +/*! @name UINT16_MAX/UINT32_MAX value */ +/* @{ */ +#if !defined(UINT16_MAX) +#define UINT16_MAX ((uint16_t)-1) +#endif + +#if !defined(UINT32_MAX) +#define UINT32_MAX ((uint32_t)-1) +#endif +/* @} */ + +/*! @name Timer utilities */ +/* @{ */ +/*! Macro to convert a microsecond period to raw count value */ +#define USEC_TO_COUNT(us, clockFreqInHz) (uint64_t)((uint64_t)us * clockFreqInHz / 1000000U) +/*! Macro to convert a raw count value to microsecond */ +#define COUNT_TO_USEC(count, clockFreqInHz) (uint64_t)((uint64_t)count * 1000000U / clockFreqInHz) + +/*! Macro to convert a millisecond period to raw count value */ +#define MSEC_TO_COUNT(ms, clockFreqInHz) (uint64_t)((uint64_t)ms * clockFreqInHz / 1000U) +/*! Macro to convert a raw count value to millisecond */ +#define COUNT_TO_MSEC(count, clockFreqInHz) (uint64_t)((uint64_t)count * 1000U / clockFreqInHz) +/* @} */ + +/******************************************************************************* + * API + ******************************************************************************/ + +#if defined(__cplusplus) +extern "C" { +#endif + +/*! + * @brief Enable specific interrupt. + * + * Enable the interrupt not routed from intmux. + * + * @param interrupt The IRQ number. + */ +static inline void EnableIRQ(IRQn_Type interrupt) +{ +#if defined(FSL_FEATURE_SOC_INTMUX_COUNT) && (FSL_FEATURE_SOC_INTMUX_COUNT > 0) + if (interrupt < FSL_FEATURE_INTMUX_IRQ_START_INDEX) +#endif + { + NVIC_EnableIRQ(interrupt); + } +} + +/*! + * @brief Disable specific interrupt. + * + * Disable the interrupt not routed from intmux. + * + * @param interrupt The IRQ number. + */ +static inline void DisableIRQ(IRQn_Type interrupt) +{ +#if defined(FSL_FEATURE_SOC_INTMUX_COUNT) && (FSL_FEATURE_SOC_INTMUX_COUNT > 0) + if (interrupt < FSL_FEATURE_INTMUX_IRQ_START_INDEX) +#endif + { + NVIC_DisableIRQ(interrupt); + } +} + +/*! + * @brief Disable the global IRQ + * + * Disable the global interrupt and return the current primask register. User is required to provided the primask + * register for the EnableGlobalIRQ(). + * + * @return Current primask value. + */ +static inline uint32_t DisableGlobalIRQ(void) +{ + uint32_t regPrimask = __get_PRIMASK(); + + __disable_irq(); + + return regPrimask; +} + +/*! + * @brief Enaable the global IRQ + * + * Set the primask register with the provided primask value but not just enable the primask. The idea is for the + * convinience of integration of RTOS. some RTOS get its own management mechanism of primask. User is required to + * use the EnableGlobalIRQ() and DisableGlobalIRQ() in pair. + * + * @param primask value of primask register to be restored. The primask value is supposed to be provided by the + * DisableGlobalIRQ(). + */ +static inline void EnableGlobalIRQ(uint32_t primask) +{ + __set_PRIMASK(primask); +} + +/*! + * @brief install IRQ handler + * + * @param irq IRQ number + * @param irqHandler IRQ handler address + */ +void InstallIRQHandler(IRQn_Type irq, uint32_t irqHandler); + +#if defined(__cplusplus) +} +#endif + +/*! @} */ + +#endif /* _FSL_COMMON_H_ */ |