diff options
Diffstat (limited to 'bsps/arm/imxrt/nxp/devices/MIMXRT1052/drivers/fsl_lpuart.c')
| -rw-r--r-- | bsps/arm/imxrt/nxp/devices/MIMXRT1052/drivers/fsl_lpuart.c | 2068 |
1 files changed, 0 insertions, 2068 deletions
diff --git a/bsps/arm/imxrt/nxp/devices/MIMXRT1052/drivers/fsl_lpuart.c b/bsps/arm/imxrt/nxp/devices/MIMXRT1052/drivers/fsl_lpuart.c deleted file mode 100644 index 2f02aabe16..0000000000 --- a/bsps/arm/imxrt/nxp/devices/MIMXRT1052/drivers/fsl_lpuart.c +++ /dev/null @@ -1,2068 +0,0 @@ -/* - * Copyright (c) 2015-2016, Freescale Semiconductor, Inc. - * Copyright 2016-2020 NXP - * All rights reserved. - * - * SPDX-License-Identifier: BSD-3-Clause - */ - -#include "fsl_lpuart.h" - -/******************************************************************************* - * Definitions - ******************************************************************************/ - -/* Component ID definition, used by tools. */ -#ifndef FSL_COMPONENT_ID -#define FSL_COMPONENT_ID "platform.drivers.lpuart" -#endif - -/* LPUART transfer state. */ -enum -{ - kLPUART_TxIdle, /*!< TX idle. */ - kLPUART_TxBusy, /*!< TX busy. */ - kLPUART_RxIdle, /*!< RX idle. */ - kLPUART_RxBusy /*!< RX busy. */ -}; - -/* Typedef for interrupt handler. */ -typedef void (*lpuart_isr_t)(LPUART_Type *base, lpuart_handle_t *handle); - -/******************************************************************************* - * Prototypes - ******************************************************************************/ -/*! - * @brief Check whether the RX ring buffer is full. - * - * @userData handle LPUART handle pointer. - * @retval true RX ring buffer is full. - * @retval false RX ring buffer is not full. - */ -static bool LPUART_TransferIsRxRingBufferFull(LPUART_Type *base, lpuart_handle_t *handle); - -/*! - * @brief Write to TX register using non-blocking method. - * - * This function writes data to the TX register directly, upper layer must make - * sure the TX register is empty or TX FIFO has empty room before calling this function. - * - * @note This function does not check whether all the data has been sent out to bus, - * so before disable TX, check kLPUART_TransmissionCompleteFlag to ensure the TX is - * finished. - * - * @param base LPUART peripheral base address. - * @param data Start address of the data to write. - * @param length Size of the buffer to be sent. - */ -static void LPUART_WriteNonBlocking(LPUART_Type *base, const uint8_t *data, size_t length); - -/*! - * @brief Read RX register using non-blocking method. - * - * This function reads data from the TX register directly, upper layer must make - * sure the RX register is full or TX FIFO has data before calling this function. - * - * @param base LPUART peripheral base address. - * @param data Start address of the buffer to store the received data. - * @param length Size of the buffer. - */ -static void LPUART_ReadNonBlocking(LPUART_Type *base, uint8_t *data, size_t length); - -/******************************************************************************* - * Variables - ******************************************************************************/ -/* Array of LPUART peripheral base address. */ -static LPUART_Type *const s_lpuartBases[] = LPUART_BASE_PTRS; -/* Array of LPUART handle. */ -static lpuart_handle_t *s_lpuartHandle[ARRAY_SIZE(s_lpuartBases)]; -/* Array of LPUART IRQ number. */ -#if defined(FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ) && FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ -static const IRQn_Type s_lpuartRxIRQ[] = LPUART_RX_IRQS; -static const IRQn_Type s_lpuartTxIRQ[] = LPUART_TX_IRQS; -#else -static const IRQn_Type s_lpuartIRQ[] = LPUART_RX_TX_IRQS; -#endif -#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) -/* Array of LPUART clock name. */ -static const clock_ip_name_t s_lpuartClock[] = LPUART_CLOCKS; - -#if defined(LPUART_PERIPH_CLOCKS) -/* Array of LPUART functional clock name. */ -static const clock_ip_name_t s_lpuartPeriphClocks[] = LPUART_PERIPH_CLOCKS; -#endif - -#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ - -/* LPUART ISR for transactional APIs. */ -#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) -static lpuart_isr_t s_lpuartIsr = (lpuart_isr_t)DefaultISR; -#else -static lpuart_isr_t s_lpuartIsr; -#endif - -/******************************************************************************* - * Code - ******************************************************************************/ -/*! - * brief Get the LPUART instance from peripheral base address. - * - * param base LPUART peripheral base address. - * return LPUART instance. - */ -uint32_t LPUART_GetInstance(LPUART_Type *base) -{ - uint32_t instance; - - /* Find the instance index from base address mappings. */ - for (instance = 0U; instance < ARRAY_SIZE(s_lpuartBases); instance++) - { - if (s_lpuartBases[instance] == base) - { - break; - } - } - - assert(instance < ARRAY_SIZE(s_lpuartBases)); - - return instance; -} - -/*! - * brief Get the length of received data in RX ring buffer. - * - * userData handle LPUART handle pointer. - * return Length of received data in RX ring buffer. - */ -size_t LPUART_TransferGetRxRingBufferLength(LPUART_Type *base, lpuart_handle_t *handle) -{ - assert(NULL != handle); - - size_t size; - size_t tmpRxRingBufferSize = handle->rxRingBufferSize; - uint16_t tmpRxRingBufferTail = handle->rxRingBufferTail; - uint16_t tmpRxRingBufferHead = handle->rxRingBufferHead; - - if (tmpRxRingBufferTail > tmpRxRingBufferHead) - { - size = ((size_t)tmpRxRingBufferHead + tmpRxRingBufferSize - (size_t)tmpRxRingBufferTail); - } - else - { - size = ((size_t)tmpRxRingBufferHead - (size_t)tmpRxRingBufferTail); - } - - return size; -} - -static bool LPUART_TransferIsRxRingBufferFull(LPUART_Type *base, lpuart_handle_t *handle) -{ - assert(NULL != handle); - - bool full; - - if (LPUART_TransferGetRxRingBufferLength(base, handle) == (handle->rxRingBufferSize - 1U)) - { - full = true; - } - else - { - full = false; - } - return full; -} - -static void LPUART_WriteNonBlocking(LPUART_Type *base, const uint8_t *data, size_t length) -{ - assert(NULL != data); - - size_t i; - - /* The Non Blocking write data API assume user have ensured there is enough space in - peripheral to write. */ - for (i = 0; i < length; i++) - { - base->DATA = data[i]; - } -} - -static void LPUART_ReadNonBlocking(LPUART_Type *base, uint8_t *data, size_t length) -{ - assert(NULL != data); - - size_t i; -#if defined(FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT) && FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT - uint32_t ctrl = base->CTRL; - bool isSevenDataBits = (((ctrl & LPUART_CTRL_M7_MASK) != 0U) || - (((ctrl & LPUART_CTRL_M_MASK) == 0U) && ((ctrl & LPUART_CTRL_PE_MASK) != 0U))); -#endif - - /* The Non Blocking read data API assume user have ensured there is enough space in - peripheral to write. */ - for (i = 0; i < length; i++) - { -#if defined(FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT) && FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT - if (isSevenDataBits) - { - data[i] = (uint8_t)(base->DATA & 0x7FU); - } - else - { - data[i] = (uint8_t)base->DATA; - } -#else - data[i] = (uint8_t)(base->DATA); -#endif - } -} - -/*! - * brief Initializes an LPUART instance with the user configuration structure and the peripheral clock. - * - * This function configures the LPUART module with user-defined settings. Call the LPUART_GetDefaultConfig() function - * to configure the configuration structure and get the default configuration. - * The example below shows how to use this API to configure the LPUART. - * code - * lpuart_config_t lpuartConfig; - * lpuartConfig.baudRate_Bps = 115200U; - * lpuartConfig.parityMode = kLPUART_ParityDisabled; - * lpuartConfig.dataBitsCount = kLPUART_EightDataBits; - * lpuartConfig.isMsb = false; - * lpuartConfig.stopBitCount = kLPUART_OneStopBit; - * lpuartConfig.txFifoWatermark = 0; - * lpuartConfig.rxFifoWatermark = 1; - * LPUART_Init(LPUART1, &lpuartConfig, 20000000U); - * endcode - * - * param base LPUART peripheral base address. - * param config Pointer to a user-defined configuration structure. - * param srcClock_Hz LPUART clock source frequency in HZ. - * retval kStatus_LPUART_BaudrateNotSupport Baudrate is not support in current clock source. - * retval kStatus_Success LPUART initialize succeed - */ -#ifndef __rtems__ -status_t LPUART_Init(LPUART_Type *base, const lpuart_config_t *config, uint32_t srcClock_Hz) -#else /* __rtems__ */ -status_t LPUART_Init(LPUART_Type *base, const lpuart_config_t *config, uint32_t srcClock_Hz, bool do_reset) -#endif /* __rtems__ */ -{ - assert(NULL != config); - assert(0U < config->baudRate_Bps); -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - assert((uint8_t)FSL_FEATURE_LPUART_FIFO_SIZEn(base) >= config->txFifoWatermark); - assert((uint8_t)FSL_FEATURE_LPUART_FIFO_SIZEn(base) >= config->rxFifoWatermark); -#endif - - status_t status = kStatus_Success; - uint32_t temp; - uint16_t sbr, sbrTemp; - uint8_t osr, osrTemp; - uint32_t tempDiff, calculatedBaud, baudDiff; - - /* This LPUART instantiation uses a slightly different baud rate calculation - * The idea is to use the best OSR (over-sampling rate) possible - * Note, OSR is typically hard-set to 16 in other LPUART instantiations - * loop to find the best OSR value possible, one that generates minimum baudDiff - * iterate through the rest of the supported values of OSR */ - - baudDiff = config->baudRate_Bps; - osr = 0U; - sbr = 0U; - for (osrTemp = 4U; osrTemp <= 32U; osrTemp++) - { - /* calculate the temporary sbr value */ - sbrTemp = (uint16_t)((srcClock_Hz * 10U / (config->baudRate_Bps * (uint32_t)osrTemp) + 5U) / 10U); - /*set sbrTemp to 1 if the sourceClockInHz can not satisfy the desired baud rate*/ - if (sbrTemp == 0U) - { - sbrTemp = 1U; - } - /* Calculate the baud rate based on the temporary OSR and SBR values */ - calculatedBaud = (srcClock_Hz / ((uint32_t)osrTemp * (uint32_t)sbrTemp)); - tempDiff = calculatedBaud > config->baudRate_Bps ? (calculatedBaud - config->baudRate_Bps) : - (config->baudRate_Bps - calculatedBaud); - - if (tempDiff <= baudDiff) - { - baudDiff = tempDiff; - osr = osrTemp; /* update and store the best OSR value calculated */ - sbr = sbrTemp; /* update store the best SBR value calculated */ - } - } - -#ifndef __rtems__ - /* Check to see if actual baud rate is within 3% of desired baud rate - * based on the best calculate OSR value */ - if (baudDiff > ((config->baudRate_Bps / 100U) * 3U)) - { - /* Unacceptable baud rate difference of more than 3%*/ - status = kStatus_LPUART_BaudrateNotSupport; - } - else -#else /* __rtems__ */ - /* - * Better to have any baudrate then none. With this change, the function can - * not fail any more. - */ -#endif /* __rtems__ */ - { -#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) - - uint32_t instance = LPUART_GetInstance(base); - - /* Enable lpuart clock */ - CLOCK_EnableClock(s_lpuartClock[instance]); -#if defined(LPUART_PERIPH_CLOCKS) - CLOCK_EnableClock(s_lpuartPeriphClocks[instance]); -#endif - -#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ - -#if defined(FSL_FEATURE_LPUART_HAS_GLOBAL) && FSL_FEATURE_LPUART_HAS_GLOBAL - /*Reset all internal logic and registers, except the Global Register */ -#ifndef __rtems__ - LPUART_SoftwareReset(base); -#else /* __rtems__ */ - if (do_reset) { - LPUART_SoftwareReset(base); - } -#endif /* __rtems__ */ -#else - /* Disable LPUART TX RX before setting. */ - base->CTRL &= ~(LPUART_CTRL_TE_MASK | LPUART_CTRL_RE_MASK); -#endif - - temp = base->BAUD; - - /* Acceptable baud rate, check if OSR is between 4x and 7x oversampling. - * If so, then "BOTHEDGE" sampling must be turned on */ - if ((osr > 3U) && (osr < 8U)) - { - temp |= LPUART_BAUD_BOTHEDGE_MASK; - } - - /* program the osr value (bit value is one less than actual value) */ - temp &= ~LPUART_BAUD_OSR_MASK; - temp |= LPUART_BAUD_OSR((uint32_t)osr - 1UL); - - /* write the sbr value to the BAUD registers */ - temp &= ~LPUART_BAUD_SBR_MASK; - base->BAUD = temp | LPUART_BAUD_SBR(sbr); - - /* Set bit count and parity mode. */ - base->BAUD &= ~LPUART_BAUD_M10_MASK; - - temp = base->CTRL & ~(LPUART_CTRL_PE_MASK | LPUART_CTRL_PT_MASK | LPUART_CTRL_M_MASK | LPUART_CTRL_ILT_MASK | - LPUART_CTRL_IDLECFG_MASK); - - temp |= (uint8_t)config->parityMode | LPUART_CTRL_IDLECFG(config->rxIdleConfig) | - LPUART_CTRL_ILT(config->rxIdleType); - -#if defined(FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT) && FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT - if (kLPUART_SevenDataBits == config->dataBitsCount) - { - if (kLPUART_ParityDisabled != config->parityMode) - { - temp &= ~LPUART_CTRL_M7_MASK; /* Seven data bits and one parity bit */ - } - else - { - temp |= LPUART_CTRL_M7_MASK; - } - } - else -#endif - { - if (kLPUART_ParityDisabled != config->parityMode) - { - temp |= LPUART_CTRL_M_MASK; /* Eight data bits and one parity bit */ - } - } - - base->CTRL = temp; - -#if defined(FSL_FEATURE_LPUART_HAS_STOP_BIT_CONFIG_SUPPORT) && FSL_FEATURE_LPUART_HAS_STOP_BIT_CONFIG_SUPPORT - /* set stop bit per char */ - temp = base->BAUD & ~LPUART_BAUD_SBNS_MASK; - base->BAUD = temp | LPUART_BAUD_SBNS((uint8_t)config->stopBitCount); -#endif - -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - /* Set tx/rx WATER watermark - Note: - Take care of the RX FIFO, RX interrupt request only assert when received bytes - equal or more than RX water mark, there is potential issue if RX water - mark larger than 1. - For example, if RX FIFO water mark is 2, upper layer needs 5 bytes and - 5 bytes are received. the last byte will be saved in FIFO but not trigger - RX interrupt because the water mark is 2. - */ - base->WATER = (((uint32_t)(config->rxFifoWatermark) << 16U) | config->txFifoWatermark); - - /* Enable tx/rx FIFO */ - base->FIFO |= (LPUART_FIFO_TXFE_MASK | LPUART_FIFO_RXFE_MASK); - - /* Flush FIFO */ - base->FIFO |= (LPUART_FIFO_TXFLUSH_MASK | LPUART_FIFO_RXFLUSH_MASK); -#endif - - /* Clear all status flags */ - temp = (LPUART_STAT_RXEDGIF_MASK | LPUART_STAT_IDLE_MASK | LPUART_STAT_OR_MASK | LPUART_STAT_NF_MASK | - LPUART_STAT_FE_MASK | LPUART_STAT_PF_MASK); - -#if defined(FSL_FEATURE_LPUART_HAS_LIN_BREAK_DETECT) && FSL_FEATURE_LPUART_HAS_LIN_BREAK_DETECT - temp |= LPUART_STAT_LBKDIF_MASK; -#endif - -#if defined(FSL_FEATURE_LPUART_HAS_ADDRESS_MATCHING) && FSL_FEATURE_LPUART_HAS_ADDRESS_MATCHING - temp |= (LPUART_STAT_MA1F_MASK | LPUART_STAT_MA2F_MASK); -#endif - -#if defined(FSL_FEATURE_LPUART_HAS_MODEM_SUPPORT) && FSL_FEATURE_LPUART_HAS_MODEM_SUPPORT - /* Set the CTS configuration/TX CTS source. */ - base->MODIR |= LPUART_MODIR_TXCTSC(config->txCtsConfig) | LPUART_MODIR_TXCTSSRC(config->txCtsSource); - if (true == config->enableRxRTS) - { - /* Enable the receiver RTS(request-to-send) function. */ - base->MODIR |= LPUART_MODIR_RXRTSE_MASK; - } - if (true == config->enableTxCTS) - { - /* Enable the CTS(clear-to-send) function. */ - base->MODIR |= LPUART_MODIR_TXCTSE_MASK; - } -#endif - - /* Set data bits order. */ - if (true == config->isMsb) - { - temp |= LPUART_STAT_MSBF_MASK; - } - else - { - temp &= ~LPUART_STAT_MSBF_MASK; - } - - base->STAT |= temp; - - /* Enable TX/RX base on configure structure. */ - temp = base->CTRL; - if (true == config->enableTx) - { - temp |= LPUART_CTRL_TE_MASK; - } - - if (true == config->enableRx) - { - temp |= LPUART_CTRL_RE_MASK; - } - - base->CTRL = temp; - } - - return status; -} -/*! - * brief Deinitializes a LPUART instance. - * - * This function waits for transmit to complete, disables TX and RX, and disables the LPUART clock. - * - * param base LPUART peripheral base address. - */ -void LPUART_Deinit(LPUART_Type *base) -{ - uint32_t temp; - -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - /* Wait tx FIFO send out*/ - while (0U != ((base->WATER & LPUART_WATER_TXCOUNT_MASK) >> LPUART_WATER_TXWATER_SHIFT)) - { - } -#endif - /* Wait last char shift out */ - while (0U == (base->STAT & LPUART_STAT_TC_MASK)) - { - } - - /* Clear all status flags */ - temp = (LPUART_STAT_RXEDGIF_MASK | LPUART_STAT_IDLE_MASK | LPUART_STAT_OR_MASK | LPUART_STAT_NF_MASK | - LPUART_STAT_FE_MASK | LPUART_STAT_PF_MASK); - -#if defined(FSL_FEATURE_LPUART_HAS_LIN_BREAK_DETECT) && FSL_FEATURE_LPUART_HAS_LIN_BREAK_DETECT - temp |= LPUART_STAT_LBKDIF_MASK; -#endif - -#if defined(FSL_FEATURE_LPUART_HAS_ADDRESS_MATCHING) && FSL_FEATURE_LPUART_HAS_ADDRESS_MATCHING - temp |= (LPUART_STAT_MA1F_MASK | LPUART_STAT_MA2F_MASK); -#endif - - base->STAT |= temp; - - /* Disable the module. */ - base->CTRL = 0U; - -#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) - uint32_t instance = LPUART_GetInstance(base); - - /* Disable lpuart clock */ - CLOCK_DisableClock(s_lpuartClock[instance]); - -#if defined(LPUART_PERIPH_CLOCKS) - CLOCK_DisableClock(s_lpuartPeriphClocks[instance]); -#endif - -#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ -} - -/*! - * brief Gets the default configuration structure. - * - * This function initializes the LPUART configuration structure to a default value. The default - * values are: - * lpuartConfig->baudRate_Bps = 115200U; - * lpuartConfig->parityMode = kLPUART_ParityDisabled; - * lpuartConfig->dataBitsCount = kLPUART_EightDataBits; - * lpuartConfig->isMsb = false; - * lpuartConfig->stopBitCount = kLPUART_OneStopBit; - * lpuartConfig->txFifoWatermark = 0; - * lpuartConfig->rxFifoWatermark = 1; - * lpuartConfig->rxIdleType = kLPUART_IdleTypeStartBit; - * lpuartConfig->rxIdleConfig = kLPUART_IdleCharacter1; - * lpuartConfig->enableTx = false; - * lpuartConfig->enableRx = false; - * - * param config Pointer to a configuration structure. - */ -void LPUART_GetDefaultConfig(lpuart_config_t *config) -{ - assert(NULL != config); - - /* Initializes the configure structure to zero. */ - (void)memset(config, 0, sizeof(*config)); - - config->baudRate_Bps = 115200U; - config->parityMode = kLPUART_ParityDisabled; - config->dataBitsCount = kLPUART_EightDataBits; - config->isMsb = false; -#if defined(FSL_FEATURE_LPUART_HAS_STOP_BIT_CONFIG_SUPPORT) && FSL_FEATURE_LPUART_HAS_STOP_BIT_CONFIG_SUPPORT - config->stopBitCount = kLPUART_OneStopBit; -#endif -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - config->txFifoWatermark = 0U; - config->rxFifoWatermark = 0U; -#endif -#if defined(FSL_FEATURE_LPUART_HAS_MODEM_SUPPORT) && FSL_FEATURE_LPUART_HAS_MODEM_SUPPORT - config->enableRxRTS = false; - config->enableTxCTS = false; - config->txCtsConfig = kLPUART_CtsSampleAtStart; - config->txCtsSource = kLPUART_CtsSourcePin; -#endif - config->rxIdleType = kLPUART_IdleTypeStartBit; - config->rxIdleConfig = kLPUART_IdleCharacter1; - config->enableTx = false; - config->enableRx = false; -} - -/*! - * brief Sets the LPUART instance baudrate. - * - * This function configures the LPUART module baudrate. This function is used to update - * the LPUART module baudrate after the LPUART module is initialized by the LPUART_Init. - * code - * LPUART_SetBaudRate(LPUART1, 115200U, 20000000U); - * endcode - * - * param base LPUART peripheral base address. - * param baudRate_Bps LPUART baudrate to be set. - * param srcClock_Hz LPUART clock source frequency in HZ. - * retval kStatus_LPUART_BaudrateNotSupport Baudrate is not supported in the current clock source. - * retval kStatus_Success Set baudrate succeeded. - */ -status_t LPUART_SetBaudRate(LPUART_Type *base, uint32_t baudRate_Bps, uint32_t srcClock_Hz) -{ - assert(0U < baudRate_Bps); - - status_t status = kStatus_Success; - uint32_t temp, oldCtrl; - uint16_t sbr, sbrTemp; - uint8_t osr, osrTemp; - uint32_t tempDiff, calculatedBaud, baudDiff; - - /* This LPUART instantiation uses a slightly different baud rate calculation - * The idea is to use the best OSR (over-sampling rate) possible - * Note, OSR is typically hard-set to 16 in other LPUART instantiations - * loop to find the best OSR value possible, one that generates minimum baudDiff - * iterate through the rest of the supported values of OSR */ - - baudDiff = baudRate_Bps; - osr = 0U; - sbr = 0U; - for (osrTemp = 4U; osrTemp <= 32U; osrTemp++) - { - /* calculate the temporary sbr value */ - sbrTemp = (uint16_t)((srcClock_Hz * 10U / (baudRate_Bps * (uint32_t)osrTemp) + 5U) / 10U); - /*set sbrTemp to 1 if the sourceClockInHz can not satisfy the desired baud rate*/ - if (sbrTemp == 0U) - { - sbrTemp = 1U; - } - /* Calculate the baud rate based on the temporary OSR and SBR values */ - calculatedBaud = srcClock_Hz / ((uint32_t)osrTemp * (uint32_t)sbrTemp); - - tempDiff = calculatedBaud > baudRate_Bps ? (calculatedBaud - baudRate_Bps) : (baudRate_Bps - calculatedBaud); - - if (tempDiff <= baudDiff) - { - baudDiff = tempDiff; - osr = osrTemp; /* update and store the best OSR value calculated */ - sbr = sbrTemp; /* update store the best SBR value calculated */ - } - } - - /* Check to see if actual baud rate is within 3% of desired baud rate - * based on the best calculate OSR value */ - if (baudDiff < (uint32_t)((baudRate_Bps / 100U) * 3U)) - { - /* Store CTRL before disable Tx and Rx */ - oldCtrl = base->CTRL; - - /* Disable LPUART TX RX before setting. */ - base->CTRL &= ~(LPUART_CTRL_TE_MASK | LPUART_CTRL_RE_MASK); - - temp = base->BAUD; - - /* Acceptable baud rate, check if OSR is between 4x and 7x oversampling. - * If so, then "BOTHEDGE" sampling must be turned on */ - if ((osr > 3U) && (osr < 8U)) - { - temp |= LPUART_BAUD_BOTHEDGE_MASK; - } - - /* program the osr value (bit value is one less than actual value) */ - temp &= ~LPUART_BAUD_OSR_MASK; - temp |= LPUART_BAUD_OSR((uint32_t)osr - 1UL); - - /* write the sbr value to the BAUD registers */ - temp &= ~LPUART_BAUD_SBR_MASK; - base->BAUD = temp | LPUART_BAUD_SBR(sbr); - - /* Restore CTRL. */ - base->CTRL = oldCtrl; - } - else - { - /* Unacceptable baud rate difference of more than 3%*/ - status = kStatus_LPUART_BaudrateNotSupport; - } - - return status; -} - -/*! - * brief Enables LPUART interrupts according to a provided mask. - * - * This function enables the LPUART interrupts according to a provided mask. The mask - * is a logical OR of enumeration members. See the ref _lpuart_interrupt_enable. - * This examples shows how to enable TX empty interrupt and RX full interrupt: - * code - * LPUART_EnableInterrupts(LPUART1,kLPUART_TxDataRegEmptyInterruptEnable | kLPUART_RxDataRegFullInterruptEnable); - * endcode - * - * param base LPUART peripheral base address. - * param mask The interrupts to enable. Logical OR of ref _uart_interrupt_enable. - */ -void LPUART_EnableInterrupts(LPUART_Type *base, uint32_t mask) -{ - base->BAUD |= ((mask << 8U) & (LPUART_BAUD_LBKDIE_MASK | LPUART_BAUD_RXEDGIE_MASK)); -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - base->FIFO = (base->FIFO & ~(LPUART_FIFO_TXOF_MASK | LPUART_FIFO_RXUF_MASK)) | - ((mask << 8U) & (LPUART_FIFO_TXOFE_MASK | LPUART_FIFO_RXUFE_MASK)); -#endif - mask &= 0xFFFFFF00U; - base->CTRL |= mask; -} - -/*! - * brief Disables LPUART interrupts according to a provided mask. - * - * This function disables the LPUART interrupts according to a provided mask. The mask - * is a logical OR of enumeration members. See ref _lpuart_interrupt_enable. - * This example shows how to disable the TX empty interrupt and RX full interrupt: - * code - * LPUART_DisableInterrupts(LPUART1,kLPUART_TxDataRegEmptyInterruptEnable | kLPUART_RxDataRegFullInterruptEnable); - * endcode - * - * param base LPUART peripheral base address. - * param mask The interrupts to disable. Logical OR of ref _lpuart_interrupt_enable. - */ -void LPUART_DisableInterrupts(LPUART_Type *base, uint32_t mask) -{ - base->BAUD &= ~((mask << 8U) & (LPUART_BAUD_LBKDIE_MASK | LPUART_BAUD_RXEDGIE_MASK)); -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - base->FIFO = (base->FIFO & ~(LPUART_FIFO_TXOF_MASK | LPUART_FIFO_RXUF_MASK)) & - ~((mask << 8U) & (LPUART_FIFO_TXOFE_MASK | LPUART_FIFO_RXUFE_MASK)); -#endif - mask &= 0xFFFFFF00U; - base->CTRL &= ~mask; -} - -/*! - * brief Gets enabled LPUART interrupts. - * - * This function gets the enabled LPUART interrupts. The enabled interrupts are returned - * as the logical OR value of the enumerators ref _lpuart_interrupt_enable. To check - * a specific interrupt enable status, compare the return value with enumerators - * in ref _lpuart_interrupt_enable. - * For example, to check whether the TX empty interrupt is enabled: - * code - * uint32_t enabledInterrupts = LPUART_GetEnabledInterrupts(LPUART1); - * - * if (kLPUART_TxDataRegEmptyInterruptEnable & enabledInterrupts) - * { - * ... - * } - * endcode - * - * param base LPUART peripheral base address. - * return LPUART interrupt flags which are logical OR of the enumerators in ref _lpuart_interrupt_enable. - */ -uint32_t LPUART_GetEnabledInterrupts(LPUART_Type *base) -{ - uint32_t temp; - temp = (base->BAUD & (LPUART_BAUD_LBKDIE_MASK | LPUART_BAUD_RXEDGIE_MASK)) >> 8U; -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - temp |= (base->FIFO & (LPUART_FIFO_TXOFE_MASK | LPUART_FIFO_RXUFE_MASK)) >> 8U; -#endif - temp |= (uint32_t)(base->CTRL & 0xFF0C000u); - - return temp; -} - -/*! - * brief Gets LPUART status flags. - * - * This function gets all LPUART status flags. The flags are returned as the logical - * OR value of the enumerators ref _lpuart_flags. To check for a specific status, - * compare the return value with enumerators in the ref _lpuart_flags. - * For example, to check whether the TX is empty: - * code - * if (kLPUART_TxDataRegEmptyFlag & LPUART_GetStatusFlags(LPUART1)) - * { - * ... - * } - * endcode - * - * param base LPUART peripheral base address. - * return LPUART status flags which are ORed by the enumerators in the _lpuart_flags. - */ -uint32_t LPUART_GetStatusFlags(LPUART_Type *base) -{ - uint32_t temp; - temp = base->STAT; -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - temp |= (base->FIFO & - (LPUART_FIFO_TXEMPT_MASK | LPUART_FIFO_RXEMPT_MASK | LPUART_FIFO_TXOF_MASK | LPUART_FIFO_RXUF_MASK)) >> - 16U; -#endif - return temp; -} - -/*! - * brief Clears status flags with a provided mask. - * - * This function clears LPUART status flags with a provided mask. Automatically cleared flags - * can't be cleared by this function. - * Flags that can only cleared or set by hardware are: - * kLPUART_TxDataRegEmptyFlag, kLPUART_TransmissionCompleteFlag, kLPUART_RxDataRegFullFlag, - * kLPUART_RxActiveFlag, kLPUART_NoiseErrorInRxDataRegFlag, kLPUART_ParityErrorInRxDataRegFlag, - * kLPUART_TxFifoEmptyFlag,kLPUART_RxFifoEmptyFlag - * Note: This API should be called when the Tx/Rx is idle, otherwise it takes no effects. - * - * param base LPUART peripheral base address. - * param mask the status flags to be cleared. The user can use the enumerators in the - * _lpuart_status_flag_t to do the OR operation and get the mask. - * return 0 succeed, others failed. - * retval kStatus_LPUART_FlagCannotClearManually The flag can't be cleared by this function but - * it is cleared automatically by hardware. - * retval kStatus_Success Status in the mask are cleared. - */ -status_t LPUART_ClearStatusFlags(LPUART_Type *base, uint32_t mask) -{ - uint32_t temp; - status_t status; -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - temp = (uint32_t)base->FIFO; - temp &= (uint32_t)(~(LPUART_FIFO_TXOF_MASK | LPUART_FIFO_RXUF_MASK)); - temp |= (mask << 16U) & (LPUART_FIFO_TXOF_MASK | LPUART_FIFO_RXUF_MASK); - base->FIFO = temp; -#endif - temp = (uint32_t)base->STAT; -#if defined(FSL_FEATURE_LPUART_HAS_LIN_BREAK_DETECT) && FSL_FEATURE_LPUART_HAS_LIN_BREAK_DETECT - temp &= (uint32_t)(~(LPUART_STAT_LBKDIF_MASK)); - temp |= mask & LPUART_STAT_LBKDIF_MASK; -#endif - temp &= (uint32_t)(~(LPUART_STAT_RXEDGIF_MASK | LPUART_STAT_IDLE_MASK | LPUART_STAT_OR_MASK | LPUART_STAT_NF_MASK | - LPUART_STAT_FE_MASK | LPUART_STAT_PF_MASK)); - temp |= mask & (LPUART_STAT_RXEDGIF_MASK | LPUART_STAT_IDLE_MASK | LPUART_STAT_OR_MASK | LPUART_STAT_NF_MASK | - LPUART_STAT_FE_MASK | LPUART_STAT_PF_MASK); -#if defined(FSL_FEATURE_LPUART_HAS_ADDRESS_MATCHING) && FSL_FEATURE_LPUART_HAS_ADDRESS_MATCHING - temp &= (uint32_t)(~(LPUART_STAT_MA2F_MASK | LPUART_STAT_MA1F_MASK)); - temp |= mask & (LPUART_STAT_MA2F_MASK | LPUART_STAT_MA1F_MASK); -#endif - base->STAT = temp; - /* If some flags still pending. */ - if (0U != (mask & LPUART_GetStatusFlags(base))) - { - /* Some flags can only clear or set by the hardware itself, these flags are: kLPUART_TxDataRegEmptyFlag, - kLPUART_TransmissionCompleteFlag, kLPUART_RxDataRegFullFlag, kLPUART_RxActiveFlag, - kLPUART_NoiseErrorInRxDataRegFlag, kLPUART_ParityErrorInRxDataRegFlag, - kLPUART_TxFifoEmptyFlag, kLPUART_RxFifoEmptyFlag. */ - status = kStatus_LPUART_FlagCannotClearManually; /* flags can not clear manually */ - } - else - { - status = kStatus_Success; - } - - return status; -} - -/*! - * brief Writes to the transmitter register using a blocking method. - * - * This function polls the transmitter register, first waits for the register to be empty or TX FIFO to have room, - * and writes data to the transmitter buffer, then waits for the data to be sent out to bus. - * - * param base LPUART peripheral base address. - * param data Start address of the data to write. - * param length Size of the data to write. - * retval kStatus_LPUART_Timeout Transmission timed out and was aborted. - * retval kStatus_Success Successfully wrote all data. - */ -status_t LPUART_WriteBlocking(LPUART_Type *base, const uint8_t *data, size_t length) -{ - assert(NULL != data); - - const uint8_t *dataAddress = data; - size_t transferSize = length; - -#if UART_RETRY_TIMES - uint32_t waitTimes; -#endif - - while (0U != transferSize) - { -#if UART_RETRY_TIMES - waitTimes = UART_RETRY_TIMES; - while ((0U == (base->STAT & LPUART_STAT_TDRE_MASK)) && (0U != --waitTimes)) -#else - while (0U == (base->STAT & LPUART_STAT_TDRE_MASK)) -#endif - { - } -#if UART_RETRY_TIMES - if (0U == waitTimes) - { - return kStatus_LPUART_Timeout; - } -#endif - base->DATA = *(dataAddress); - dataAddress++; - transferSize--; - } - /* Ensure all the data in the transmit buffer are sent out to bus. */ -#if UART_RETRY_TIMES - waitTimes = UART_RETRY_TIMES; - while ((0U == (base->STAT & LPUART_STAT_TC_MASK)) && (0U != --waitTimes)) -#else - while (0U == (base->STAT & LPUART_STAT_TC_MASK)) -#endif - { - } -#if UART_RETRY_TIMES - if (0U == waitTimes) - { - return kStatus_LPUART_Timeout; - } -#endif - return kStatus_Success; -} - -/*! - * brief Reads the receiver data register using a blocking method. - * - * This function polls the receiver register, waits for the receiver register full or receiver FIFO - * has data, and reads data from the TX register. - * - * param base LPUART peripheral base address. - * param data Start address of the buffer to store the received data. - * param length Size of the buffer. - * retval kStatus_LPUART_RxHardwareOverrun Receiver overrun happened while receiving data. - * retval kStatus_LPUART_NoiseError Noise error happened while receiving data. - * retval kStatus_LPUART_FramingError Framing error happened while receiving data. - * retval kStatus_LPUART_ParityError Parity error happened while receiving data. - * retval kStatus_LPUART_Timeout Transmission timed out and was aborted. - * retval kStatus_Success Successfully received all data. - */ -status_t LPUART_ReadBlocking(LPUART_Type *base, uint8_t *data, size_t length) -{ - assert(NULL != data); - - status_t status = kStatus_Success; - uint32_t statusFlag; - uint8_t *dataAddress = data; - -#if defined(FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT) && FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT - uint32_t ctrl = base->CTRL; - bool isSevenDataBits = (((ctrl & LPUART_CTRL_M7_MASK) != 0U) || - (((ctrl & LPUART_CTRL_M_MASK) == 0U) && ((ctrl & LPUART_CTRL_PE_MASK) != 0U))); -#endif - -#if UART_RETRY_TIMES - uint32_t waitTimes; -#endif - - while (0U != (length--)) - { -#if UART_RETRY_TIMES - waitTimes = UART_RETRY_TIMES; -#endif -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - while (0U == ((base->WATER & LPUART_WATER_RXCOUNT_MASK) >> LPUART_WATER_RXCOUNT_SHIFT)) -#else - while (0U == (base->STAT & LPUART_STAT_RDRF_MASK)) -#endif - { -#if UART_RETRY_TIMES - if (0U == --waitTimes) - { - status = kStatus_LPUART_Timeout; - break; - } -#endif - statusFlag = LPUART_GetStatusFlags(base); - - if (0U != (statusFlag & (uint32_t)kLPUART_RxOverrunFlag)) - { - status = ((kStatus_Success == LPUART_ClearStatusFlags(base, (uint32_t)kLPUART_RxOverrunFlag)) ? - (kStatus_LPUART_RxHardwareOverrun) : - (kStatus_LPUART_FlagCannotClearManually)); - /* Other error flags(FE, NF, and PF) are prevented from setting once OR is set, no need to check other - * error flags*/ - break; - } - - if (0U != (statusFlag & (uint32_t)kLPUART_ParityErrorFlag)) - { - status = ((kStatus_Success == LPUART_ClearStatusFlags(base, (uint32_t)kLPUART_ParityErrorFlag)) ? - (kStatus_LPUART_ParityError) : - (kStatus_LPUART_FlagCannotClearManually)); - } - - if (0U != (statusFlag & (uint32_t)kLPUART_FramingErrorFlag)) - { - status = ((kStatus_Success == LPUART_ClearStatusFlags(base, (uint32_t)kLPUART_FramingErrorFlag)) ? - (kStatus_LPUART_FramingError) : - (kStatus_LPUART_FlagCannotClearManually)); - } - - if (0U != (statusFlag & (uint32_t)kLPUART_NoiseErrorFlag)) - { - status = ((kStatus_Success == LPUART_ClearStatusFlags(base, (uint32_t)kLPUART_NoiseErrorFlag)) ? - (kStatus_LPUART_NoiseError) : - (kStatus_LPUART_FlagCannotClearManually)); - } - if (kStatus_Success != status) - { - break; - } - } - - if (kStatus_Success == status) - { -#if defined(FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT) && FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT - if (isSevenDataBits) - { - *(dataAddress) = (uint8_t)(base->DATA & 0x7FU); - dataAddress++; - } - else - { - *(dataAddress) = (uint8_t)base->DATA; - dataAddress++; - } -#else - *(dataAddress) = (uint8_t)base->DATA; - dataAddress++; -#endif - } - else - { - break; - } - } - - return status; -} - -/*! - * brief Initializes the LPUART handle. - * - * This function initializes the LPUART handle, which can be used for other LPUART - * transactional APIs. Usually, for a specified LPUART instance, - * call this API once to get the initialized handle. - * - * The LPUART driver supports the "background" receiving, which means that user can set up - * an RX ring buffer optionally. Data received is stored into the ring buffer even when the - * user doesn't call the LPUART_TransferReceiveNonBlocking() API. If there is already data received - * in the ring buffer, the user can get the received data from the ring buffer directly. - * The ring buffer is disabled if passing NULL as p ringBuffer. - * - * param base LPUART peripheral base address. - * param handle LPUART handle pointer. - * param callback Callback function. - * param userData User data. - */ -void LPUART_TransferCreateHandle(LPUART_Type *base, - lpuart_handle_t *handle, - lpuart_transfer_callback_t callback, - void *userData) -{ - assert(NULL != handle); - - uint32_t instance; - -#if defined(FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT) && FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT - uint32_t ctrl = base->CTRL; - bool isSevenDataBits = (((ctrl & LPUART_CTRL_M7_MASK) != 0U) || - (((ctrl & LPUART_CTRL_M_MASK) == 0U) && ((ctrl & LPUART_CTRL_PE_MASK) != 0U))); -#endif - - /* Zero the handle. */ - (void)memset(handle, 0, sizeof(lpuart_handle_t)); - - /* Set the TX/RX state. */ - handle->rxState = (uint8_t)kLPUART_RxIdle; - handle->txState = (uint8_t)kLPUART_TxIdle; - - /* Set the callback and user data. */ - handle->callback = callback; - handle->userData = userData; - -#if defined(FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT) && FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT - /* Initial seven data bits flag */ - handle->isSevenDataBits = isSevenDataBits; -#endif - - /* Get instance from peripheral base address. */ - instance = LPUART_GetInstance(base); - - /* Save the handle in global variables to support the double weak mechanism. */ - s_lpuartHandle[instance] = handle; - - s_lpuartIsr = LPUART_TransferHandleIRQ; - -/* Enable interrupt in NVIC. */ -#if defined(FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ) && FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ - (void)EnableIRQ(s_lpuartRxIRQ[instance]); - (void)EnableIRQ(s_lpuartTxIRQ[instance]); -#else - (void)EnableIRQ(s_lpuartIRQ[instance]); -#endif -} - -/*! - * brief Sets up the RX ring buffer. - * - * This function sets up the RX ring buffer to a specific UART handle. - * - * When the RX ring buffer is used, data received is stored into the ring buffer even when - * the user doesn't call the UART_TransferReceiveNonBlocking() API. If there is already data received - * in the ring buffer, the user can get the received data from the ring buffer directly. - * - * note When using RX ring buffer, one byte is reserved for internal use. In other - * words, if p ringBufferSize is 32, then only 31 bytes are used for saving data. - * - * param base LPUART peripheral base address. - * param handle LPUART handle pointer. - * param ringBuffer Start address of ring buffer for background receiving. Pass NULL to disable the ring buffer. - * param ringBufferSize size of the ring buffer. - */ -void LPUART_TransferStartRingBuffer(LPUART_Type *base, - lpuart_handle_t *handle, - uint8_t *ringBuffer, - size_t ringBufferSize) -{ - assert(NULL != handle); - assert(NULL != ringBuffer); - - /* Setup the ring buffer address */ - handle->rxRingBuffer = ringBuffer; - handle->rxRingBufferSize = ringBufferSize; - handle->rxRingBufferHead = 0U; - handle->rxRingBufferTail = 0U; - - /* Enable the interrupt to accept the data when user need the ring buffer. */ - LPUART_EnableInterrupts( - base, (uint32_t)kLPUART_RxDataRegFullInterruptEnable | (uint32_t)kLPUART_RxOverrunInterruptEnable); -} - -/*! - * brief Aborts the background transfer and uninstalls the ring buffer. - * - * This function aborts the background transfer and uninstalls the ring buffer. - * - * param base LPUART peripheral base address. - * param handle LPUART handle pointer. - */ -void LPUART_TransferStopRingBuffer(LPUART_Type *base, lpuart_handle_t *handle) -{ - assert(NULL != handle); - - if (handle->rxState == (uint8_t)kLPUART_RxIdle) - { - LPUART_DisableInterrupts( - base, (uint32_t)kLPUART_RxDataRegFullInterruptEnable | (uint32_t)kLPUART_RxOverrunInterruptEnable); - } - - handle->rxRingBuffer = NULL; - handle->rxRingBufferSize = 0U; - handle->rxRingBufferHead = 0U; - handle->rxRingBufferTail = 0U; -} - -/*! - * brief Transmits a buffer of data using the interrupt method. - * - * This function send data using an interrupt method. This is a non-blocking function, which - * returns directly without waiting for all data written to the transmitter register. When - * all data is written to the TX register in the ISR, the LPUART driver calls the callback - * function and passes the ref kStatus_LPUART_TxIdle as status parameter. - * - * note The kStatus_LPUART_TxIdle is passed to the upper layer when all data are written - * to the TX register. However, there is no check to ensure that all the data sent out. Before disabling the TX, - * check the kLPUART_TransmissionCompleteFlag to ensure that the transmit is finished. - * - * param base LPUART peripheral base address. - * param handle LPUART handle pointer. - * param xfer LPUART transfer structure, see #lpuart_transfer_t. - * retval kStatus_Success Successfully start the data transmission. - * retval kStatus_LPUART_TxBusy Previous transmission still not finished, data not all written to the TX register. - * retval kStatus_InvalidArgument Invalid argument. - */ -status_t LPUART_TransferSendNonBlocking(LPUART_Type *base, lpuart_handle_t *handle, lpuart_transfer_t *xfer) -{ - assert(NULL != handle); - assert(NULL != xfer); - assert(NULL != xfer->data); - assert(0U != xfer->dataSize); - - status_t status; - - /* Return error if current TX busy. */ - if ((uint8_t)kLPUART_TxBusy == handle->txState) - { - status = kStatus_LPUART_TxBusy; - } - else - { - handle->txData = xfer->data; - handle->txDataSize = xfer->dataSize; - handle->txDataSizeAll = xfer->dataSize; - handle->txState = (uint8_t)kLPUART_TxBusy; - - /* Enable transmitter interrupt. */ - LPUART_EnableInterrupts(base, (uint32_t)kLPUART_TxDataRegEmptyInterruptEnable); - - status = kStatus_Success; - } - - return status; -} - -/*! - * brief Aborts the interrupt-driven data transmit. - * - * This function aborts the interrupt driven data sending. The user can get the remainBtyes to find out - * how many bytes are not sent out. - * - * param base LPUART peripheral base address. - * param handle LPUART handle pointer. - */ -void LPUART_TransferAbortSend(LPUART_Type *base, lpuart_handle_t *handle) -{ - assert(NULL != handle); - - LPUART_DisableInterrupts( - base, (uint32_t)kLPUART_TxDataRegEmptyInterruptEnable | (uint32_t)kLPUART_TransmissionCompleteInterruptEnable); - - handle->txDataSize = 0; - handle->txState = (uint8_t)kLPUART_TxIdle; -} - -/*! - * brief Gets the number of bytes that have been sent out to bus. - * - * This function gets the number of bytes that have been sent out to bus by an interrupt method. - * - * param base LPUART peripheral base address. - * param handle LPUART handle pointer. - * param count Send bytes count. - * retval kStatus_NoTransferInProgress No send in progress. - * retval kStatus_InvalidArgument Parameter is invalid. - * retval kStatus_Success Get successfully through the parameter \p count; - */ -status_t LPUART_TransferGetSendCount(LPUART_Type *base, lpuart_handle_t *handle, uint32_t *count) -{ - assert(NULL != handle); - assert(NULL != count); - - status_t status = kStatus_Success; - size_t tmptxDataSize = handle->txDataSize; - - if ((uint8_t)kLPUART_TxIdle == handle->txState) - { - status = kStatus_NoTransferInProgress; - } - else - { -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - *count = handle->txDataSizeAll - tmptxDataSize - - ((base->WATER & LPUART_WATER_TXCOUNT_MASK) >> LPUART_WATER_TXCOUNT_SHIFT); -#else - if ((base->STAT & (uint32_t)kLPUART_TxDataRegEmptyFlag) != 0U) - { - *count = handle->txDataSizeAll - tmptxDataSize; - } - else - { - *count = handle->txDataSizeAll - tmptxDataSize - 1U; - } -#endif - } - - return status; -} - -/*! - * brief Receives a buffer of data using the interrupt method. - * - * This function receives data using an interrupt method. This is a non-blocking function - * which returns without waiting to ensure that all data are received. - * If the RX ring buffer is used and not empty, the data in the ring buffer is copied and - * the parameter p receivedBytes shows how many bytes are copied from the ring buffer. - * After copying, if the data in the ring buffer is not enough for read, the receive - * request is saved by the LPUART driver. When the new data arrives, the receive request - * is serviced first. When all data is received, the LPUART driver notifies the upper layer - * through a callback function and passes a status parameter ref kStatus_UART_RxIdle. - * For example, the upper layer needs 10 bytes but there are only 5 bytes in ring buffer. - * The 5 bytes are copied to xfer->data, which returns with the - * parameter p receivedBytes set to 5. For the remaining 5 bytes, the newly arrived data is - * saved from xfer->data[5]. When 5 bytes are received, the LPUART driver notifies the upper layer. - * If the RX ring buffer is not enabled, this function enables the RX and RX interrupt - * to receive data to xfer->data. When all data is received, the upper layer is notified. - * - * param base LPUART peripheral base address. - * param handle LPUART handle pointer. - * param xfer LPUART transfer structure, see #uart_transfer_t. - * param receivedBytes Bytes received from the ring buffer directly. - * retval kStatus_Success Successfully queue the transfer into the transmit queue. - * retval kStatus_LPUART_RxBusy Previous receive request is not finished. - * retval kStatus_InvalidArgument Invalid argument. - */ -status_t LPUART_TransferReceiveNonBlocking(LPUART_Type *base, - lpuart_handle_t *handle, - lpuart_transfer_t *xfer, - size_t *receivedBytes) -{ - assert(NULL != handle); - assert(NULL != xfer); - assert(NULL != xfer->data); - assert(0U != xfer->dataSize); - - uint32_t i; - status_t status; - /* How many bytes to copy from ring buffer to user memory. */ - size_t bytesToCopy = 0U; - /* How many bytes to receive. */ - size_t bytesToReceive; - /* How many bytes currently have received. */ - size_t bytesCurrentReceived; - - /* How to get data: - 1. If RX ring buffer is not enabled, then save xfer->data and xfer->dataSize - to lpuart handle, enable interrupt to store received data to xfer->data. When - all data received, trigger callback. - 2. If RX ring buffer is enabled and not empty, get data from ring buffer first. - If there are enough data in ring buffer, copy them to xfer->data and return. - If there are not enough data in ring buffer, copy all of them to xfer->data, - save the xfer->data remained empty space to lpuart handle, receive data - to this empty space and trigger callback when finished. */ - - if ((uint8_t)kLPUART_RxBusy == handle->rxState) - { - status = kStatus_LPUART_RxBusy; - } - else - { - bytesToReceive = xfer->dataSize; - bytesCurrentReceived = 0; - - /* If RX ring buffer is used. */ - if (NULL != handle->rxRingBuffer) - { - /* Disable LPUART RX IRQ, protect ring buffer. */ - LPUART_DisableInterrupts(base, (uint32_t)kLPUART_RxDataRegFullInterruptEnable); - - /* How many bytes in RX ring buffer currently. */ - bytesToCopy = LPUART_TransferGetRxRingBufferLength(base, handle); - - if (0U != bytesToCopy) - { - bytesToCopy = MIN(bytesToReceive, bytesToCopy); - - bytesToReceive -= bytesToCopy; - - /* Copy data from ring buffer to user memory. */ - for (i = 0U; i < bytesToCopy; i++) - { - xfer->data[bytesCurrentReceived] = handle->rxRingBuffer[handle->rxRingBufferTail]; - bytesCurrentReceived++; - - /* Wrap to 0. Not use modulo (%) because it might be large and slow. */ - if (((uint32_t)handle->rxRingBufferTail + 1U) == handle->rxRingBufferSize) - { - handle->rxRingBufferTail = 0U; - } - else - { - handle->rxRingBufferTail++; - } - } - } - - /* If ring buffer does not have enough data, still need to read more data. */ - if (0U != bytesToReceive) - { - /* No data in ring buffer, save the request to LPUART handle. */ - handle->rxData = xfer->data + bytesCurrentReceived; - handle->rxDataSize = bytesToReceive; - handle->rxDataSizeAll = bytesToReceive; - handle->rxState = (uint8_t)kLPUART_RxBusy; - } - /* Enable LPUART RX IRQ if previously enabled. */ - LPUART_EnableInterrupts(base, (uint32_t)kLPUART_RxDataRegFullInterruptEnable); - - /* Call user callback since all data are received. */ - if (0U == bytesToReceive) - { - if (NULL != handle->callback) - { - handle->callback(base, handle, kStatus_LPUART_RxIdle, handle->userData); - } - } - } - /* Ring buffer not used. */ - else - { - handle->rxData = xfer->data + bytesCurrentReceived; - handle->rxDataSize = bytesToReceive; - handle->rxDataSizeAll = bytesToReceive; - handle->rxState = (uint8_t)kLPUART_RxBusy; - - /* Enable RX interrupt. */ - LPUART_EnableInterrupts(base, (uint32_t)kLPUART_RxDataRegFullInterruptEnable | - (uint32_t)kLPUART_RxOverrunInterruptEnable | - (uint32_t)kLPUART_IdleLineInterruptEnable); - } - - /* Return the how many bytes have read. */ - if (NULL != receivedBytes) - { - *receivedBytes = bytesCurrentReceived; - } - - status = kStatus_Success; - } - - return status; -} - -/*! - * brief Aborts the interrupt-driven data receiving. - * - * This function aborts the interrupt-driven data receiving. The user can get the remainBytes to find out - * how many bytes not received yet. - * - * param base LPUART peripheral base address. - * param handle LPUART handle pointer. - */ -void LPUART_TransferAbortReceive(LPUART_Type *base, lpuart_handle_t *handle) -{ - assert(NULL != handle); - - /* Only abort the receive to handle->rxData, the RX ring buffer is still working. */ - if (NULL == handle->rxRingBuffer) - { - /* Disable RX interrupt. */ - LPUART_DisableInterrupts(base, (uint32_t)kLPUART_RxDataRegFullInterruptEnable | - (uint32_t)kLPUART_RxOverrunInterruptEnable | - (uint32_t)kLPUART_IdleLineInterruptEnable); - } - - handle->rxDataSize = 0U; - handle->rxState = (uint8_t)kLPUART_RxIdle; -} - -/*! - * brief Gets the number of bytes that have been received. - * - * This function gets the number of bytes that have been received. - * - * param base LPUART peripheral base address. - * param handle LPUART handle pointer. - * param count Receive bytes count. - * retval kStatus_NoTransferInProgress No receive in progress. - * retval kStatus_InvalidArgument Parameter is invalid. - * retval kStatus_Success Get successfully through the parameter \p count; - */ -status_t LPUART_TransferGetReceiveCount(LPUART_Type *base, lpuart_handle_t *handle, uint32_t *count) -{ - assert(NULL != handle); - assert(NULL != count); - - status_t status = kStatus_Success; - size_t tmprxDataSize = handle->rxDataSize; - - if ((uint8_t)kLPUART_RxIdle == handle->rxState) - { - status = kStatus_NoTransferInProgress; - } - else - { - *count = handle->rxDataSizeAll - tmprxDataSize; - } - - return status; -} - -/*! - * brief LPUART IRQ handle function. - * - * This function handles the LPUART transmit and receive IRQ request. - * - * param base LPUART peripheral base address. - * param handle LPUART handle pointer. - */ -void LPUART_TransferHandleIRQ(LPUART_Type *base, lpuart_handle_t *handle) -{ - assert(NULL != handle); - - uint8_t count; - uint8_t tempCount; - uint32_t status = LPUART_GetStatusFlags(base); - uint32_t enabledInterrupts = LPUART_GetEnabledInterrupts(base); - uint16_t tpmRxRingBufferHead; - uint32_t tpmData; - - /* If RX overrun. */ - if ((uint32_t)kLPUART_RxOverrunFlag == ((uint32_t)kLPUART_RxOverrunFlag & status)) - { - /* Clear overrun flag, otherwise the RX does not work. */ - base->STAT = ((base->STAT & 0x3FE00000U) | LPUART_STAT_OR_MASK); - - /* Trigger callback. */ - if (NULL != (handle->callback)) - { - handle->callback(base, handle, kStatus_LPUART_RxHardwareOverrun, handle->userData); - } - } - - /* If IDLE flag is set and the IDLE interrupt is enabled. */ - if ((0U != ((uint32_t)kLPUART_IdleLineFlag & status)) && - (0U != ((uint32_t)kLPUART_IdleLineInterruptEnable & enabledInterrupts))) - { -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - count = ((uint8_t)((base->WATER & LPUART_WATER_RXCOUNT_MASK) >> LPUART_WATER_RXCOUNT_SHIFT)); - - while ((0U != handle->rxDataSize) && (0U != count)) - { - tempCount = (uint8_t)MIN(handle->rxDataSize, count); - - /* Using non block API to read the data from the registers. */ - LPUART_ReadNonBlocking(base, handle->rxData, tempCount); - handle->rxData += tempCount; - handle->rxDataSize -= tempCount; - count -= tempCount; - - /* If rxDataSize is 0, disable idle line interrupt.*/ - if (0U == (handle->rxDataSize)) - { - handle->rxState = (uint8_t)kLPUART_RxIdle; - - LPUART_DisableInterrupts( - base, (uint32_t)kLPUART_RxDataRegFullInterruptEnable | (uint32_t)kLPUART_RxOverrunInterruptEnable); - if (NULL != handle->callback) - { - handle->callback(base, handle, kStatus_LPUART_RxIdle, handle->userData); - } - } - } -#endif - /* Clear IDLE flag.*/ - base->STAT |= LPUART_STAT_IDLE_MASK; - - /* If rxDataSize is 0, disable idle line interrupt.*/ - if (0U != (handle->rxDataSize)) - { - LPUART_DisableInterrupts(base, (uint32_t)kLPUART_IdleLineInterruptEnable); - } - /* If callback is not NULL and rxDataSize is not 0. */ - if ((0U != handle->rxDataSize) && (NULL != handle->callback)) - { - handle->callback(base, handle, kStatus_LPUART_IdleLineDetected, handle->userData); - } - } - /* Receive data register full */ - if ((0U != ((uint32_t)kLPUART_RxDataRegFullFlag & status)) && - (0U != ((uint32_t)kLPUART_RxDataRegFullInterruptEnable & enabledInterrupts))) - { -/* Get the size that can be stored into buffer for this interrupt. */ -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - count = ((uint8_t)((base->WATER & LPUART_WATER_RXCOUNT_MASK) >> LPUART_WATER_RXCOUNT_SHIFT)); -#else - count = 1; -#endif - - /* If handle->rxDataSize is not 0, first save data to handle->rxData. */ - while ((0U != handle->rxDataSize) && (0U != count)) - { -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - tempCount = (uint8_t)MIN(handle->rxDataSize, count); -#else - tempCount = 1; -#endif - - /* Using non block API to read the data from the registers. */ - LPUART_ReadNonBlocking(base, handle->rxData, tempCount); - handle->rxData += tempCount; - handle->rxDataSize -= tempCount; - count -= tempCount; - - /* If all the data required for upper layer is ready, trigger callback. */ - if (0U == handle->rxDataSize) - { - handle->rxState = (uint8_t)kLPUART_RxIdle; - - if (NULL != handle->callback) - { - handle->callback(base, handle, kStatus_LPUART_RxIdle, handle->userData); - } - } - } - - /* If use RX ring buffer, receive data to ring buffer. */ - if (NULL != handle->rxRingBuffer) - { - while (0U != count--) - { - /* If RX ring buffer is full, trigger callback to notify over run. */ - if (LPUART_TransferIsRxRingBufferFull(base, handle)) - { - if (NULL != handle->callback) - { - handle->callback(base, handle, kStatus_LPUART_RxRingBufferOverrun, handle->userData); - } - } - - /* If ring buffer is still full after callback function, the oldest data is overridden. */ - if (LPUART_TransferIsRxRingBufferFull(base, handle)) - { - /* Increase handle->rxRingBufferTail to make room for new data. */ - if (((uint32_t)handle->rxRingBufferTail + 1U) == handle->rxRingBufferSize) - { - handle->rxRingBufferTail = 0U; - } - else - { - handle->rxRingBufferTail++; - } - } - - /* Read data. */ - tpmRxRingBufferHead = handle->rxRingBufferHead; - tpmData = base->DATA; -#if defined(FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT) && FSL_FEATURE_LPUART_HAS_7BIT_DATA_SUPPORT - if (handle->isSevenDataBits) - { - handle->rxRingBuffer[tpmRxRingBufferHead] = (uint8_t)(tpmData & 0x7FU); - } - else - { - handle->rxRingBuffer[tpmRxRingBufferHead] = (uint8_t)tpmData; - } -#else - handle->rxRingBuffer[tpmRxRingBufferHead] = (uint8_t)tpmData; -#endif - - /* Increase handle->rxRingBufferHead. */ - if (((uint32_t)handle->rxRingBufferHead + 1U) == handle->rxRingBufferSize) - { - handle->rxRingBufferHead = 0U; - } - else - { - handle->rxRingBufferHead++; - } - } - } - /* If no receive requst pending, stop RX interrupt. */ - else if (0U == handle->rxDataSize) - { - LPUART_DisableInterrupts( - base, (uint32_t)kLPUART_RxDataRegFullInterruptEnable | (uint32_t)kLPUART_RxOverrunInterruptEnable); - } - else - { - } - } - - /* Send data register empty and the interrupt is enabled. */ - if ((0U != ((uint32_t)kLPUART_TxDataRegEmptyFlag & status)) && - (0U != ((uint32_t)kLPUART_TxDataRegEmptyInterruptEnable & enabledInterrupts))) - { -/* Get the bytes that available at this moment. */ -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - count = (uint8_t)FSL_FEATURE_LPUART_FIFO_SIZEn(base) - - (uint8_t)((base->WATER & LPUART_WATER_TXCOUNT_MASK) >> LPUART_WATER_TXCOUNT_SHIFT); -#else - count = 1; -#endif - - while ((0U != handle->txDataSize) && (0U != count)) - { -#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO - tempCount = (uint8_t)MIN(handle->txDataSize, count); -#else - tempCount = 1; -#endif - - /* Using non block API to write the data to the registers. */ - LPUART_WriteNonBlocking(base, handle->txData, tempCount); - handle->txData += tempCount; - handle->txDataSize -= tempCount; - count -= tempCount; - - /* If all the data are written to data register, notify user with the callback, then TX finished. */ - if (0U == handle->txDataSize) - { - /* Disable TX register empty interrupt. */ - base->CTRL = (base->CTRL & ~LPUART_CTRL_TIE_MASK); - /* Enable transmission complete interrupt. */ - LPUART_EnableInterrupts(base, (uint32_t)kLPUART_TransmissionCompleteInterruptEnable); - } - } - } - - /* Transmission complete and the interrupt is enabled. */ - if ((0U != ((uint32_t)kLPUART_TransmissionCompleteFlag & status)) && - (0U != ((uint32_t)kLPUART_TransmissionCompleteInterruptEnable & enabledInterrupts))) - { - /* Set txState to idle only when all data has been sent out to bus. */ - handle->txState = (uint8_t)kLPUART_TxIdle; - /* Disable transmission complete interrupt. */ - LPUART_DisableInterrupts(base, (uint32_t)kLPUART_TransmissionCompleteInterruptEnable); - - /* Trigger callback. */ - if (NULL != handle->callback) - { - handle->callback(base, handle, kStatus_LPUART_TxIdle, handle->userData); - } - } -} - -/*! - * brief LPUART Error IRQ handle function. - * - * This function handles the LPUART error IRQ request. - * - * param base LPUART peripheral base address. - * param handle LPUART handle pointer. - */ -void LPUART_TransferHandleErrorIRQ(LPUART_Type *base, lpuart_handle_t *handle) -{ - /* To be implemented by User. */ -} -#if defined(FSL_FEATURE_LPUART_HAS_SHARED_IRQ0_IRQ1) && FSL_FEATURE_LPUART_HAS_SHARED_IRQ0_IRQ1 -#if defined(FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ) && FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ -void LPUART0_LPUART1_RX_DriverIRQHandler(void) -{ - uint32_t stat = 0U; - uint32_t ctrl = 0U; - - if (CLOCK_isEnabledClock(s_lpuartClock[0])) - { - stat = LPUART0->STAT; - ctrl = LPUART0->CTRL; - if ((LPUART_STAT_OR_MASK & stat) || ((LPUART_STAT_RDRF_MASK & stat) && (LPUART_CTRL_RIE_MASK & ctrl))) - { - s_lpuartIsr(LPUART0, s_lpuartHandle[0]); - } - } - if (CLOCK_isEnabledClock(s_lpuartClock[1])) - { - stat = LPUART1->STAT; - ctrl = LPUART1->CTRL; - if ((LPUART_STAT_OR_MASK & stat) || ((LPUART_STAT_RDRF_MASK & stat) && (LPUART_CTRL_RIE_MASK & ctrl))) - { - s_lpuartIsr(LPUART1, s_lpuartHandle[1]); - } - } - SDK_ISR_EXIT_BARRIER; -} -void LPUART0_LPUART1_TX_DriverIRQHandler(void) -{ - uint32_t stat = 0U; - uint32_t ctrl = 0U; - - if (CLOCK_isEnabledClock(s_lpuartClock[0])) - { - stat = LPUART0->STAT; - ctrl = LPUART0->CTRL; - if ((LPUART_STAT_OR_MASK & stat) || ((stat & LPUART_STAT_TDRE_MASK) && (ctrl & LPUART_CTRL_TIE_MASK))) - { - s_lpuartIsr(LPUART0, s_lpuartHandle[0]); - } - } - if (CLOCK_isEnabledClock(s_lpuartClock[1])) - { - stat = LPUART1->STAT; - ctrl = LPUART1->CTRL; - if ((LPUART_STAT_OR_MASK & stat) || ((stat & LPUART_STAT_TDRE_MASK) && (ctrl & LPUART_CTRL_TIE_MASK))) - { - s_lpuartIsr(LPUART1, s_lpuartHandle[1]); - } - } - SDK_ISR_EXIT_BARRIER; -} -#else -void LPUART0_LPUART1_DriverIRQHandler(void) -{ - uint32_t stat = 0U; - uint32_t ctrl = 0U; - - if (CLOCK_isEnabledClock(s_lpuartClock[0])) - { - stat = LPUART0->STAT; - ctrl = LPUART0->CTRL; - if ((0U != (LPUART_STAT_OR_MASK & stat)) || - ((0U != (LPUART_STAT_RDRF_MASK & stat)) && (0U != (LPUART_CTRL_RIE_MASK & ctrl))) || - ((0U != (stat & LPUART_STAT_TDRE_MASK)) && (0U != (ctrl & LPUART_CTRL_TIE_MASK)))) - { - s_lpuartIsr(LPUART0, s_lpuartHandle[0]); - } - } - if (CLOCK_isEnabledClock(s_lpuartClock[1])) - { - stat = LPUART1->STAT; - ctrl = LPUART1->CTRL; - if ((0U != (LPUART_STAT_OR_MASK & stat)) || - ((0U != (LPUART_STAT_RDRF_MASK & stat)) && (0U != (LPUART_CTRL_RIE_MASK & ctrl))) || - ((0U != (stat & LPUART_STAT_TDRE_MASK)) && (0U != (ctrl & LPUART_CTRL_TIE_MASK)))) - { - s_lpuartIsr(LPUART1, s_lpuartHandle[1]); - } - } - SDK_ISR_EXIT_BARRIER; -} -#endif -#endif - -#if defined(LPUART0) -#if !(defined(FSL_FEATURE_LPUART_HAS_SHARED_IRQ0_IRQ1) && FSL_FEATURE_LPUART_HAS_SHARED_IRQ0_IRQ1) -#if defined(FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ) && FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ -void LPUART0_TX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART0, s_lpuartHandle[0]); - SDK_ISR_EXIT_BARRIER; -} -void LPUART0_RX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART0, s_lpuartHandle[0]); - SDK_ISR_EXIT_BARRIER; -} -#else -void LPUART0_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART0, s_lpuartHandle[0]); - SDK_ISR_EXIT_BARRIER; -} -#endif -#endif -#endif - -#if defined(LPUART1) -#if !(defined(FSL_FEATURE_LPUART_HAS_SHARED_IRQ0_IRQ1) && FSL_FEATURE_LPUART_HAS_SHARED_IRQ0_IRQ1) -#if defined(FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ) && FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ -void LPUART1_TX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART1, s_lpuartHandle[1]); - SDK_ISR_EXIT_BARRIER; -} -void LPUART1_RX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART1, s_lpuartHandle[1]); - SDK_ISR_EXIT_BARRIER; -} -#else -void LPUART1_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART1, s_lpuartHandle[1]); - SDK_ISR_EXIT_BARRIER; -} -#endif -#endif -#endif - -#if defined(LPUART2) -#if defined(FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ) && FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ -void LPUART2_TX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART2, s_lpuartHandle[2]); - SDK_ISR_EXIT_BARRIER; -} -void LPUART2_RX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART2, s_lpuartHandle[2]); - SDK_ISR_EXIT_BARRIER; -} -#else -void LPUART2_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART2, s_lpuartHandle[2]); - SDK_ISR_EXIT_BARRIER; -} -#endif -#endif - -#if defined(LPUART3) -#if defined(FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ) && FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ -void LPUART3_TX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART3, s_lpuartHandle[3]); - SDK_ISR_EXIT_BARRIER; -} -void LPUART3_RX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART3, s_lpuartHandle[3]); - SDK_ISR_EXIT_BARRIER; -} -#else -void LPUART3_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART3, s_lpuartHandle[3]); - SDK_ISR_EXIT_BARRIER; -} -#endif -#endif - -#if defined(LPUART4) -#if defined(FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ) && FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ -void LPUART4_TX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART4, s_lpuartHandle[4]); - SDK_ISR_EXIT_BARRIER; -} -void LPUART4_RX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART4, s_lpuartHandle[4]); - SDK_ISR_EXIT_BARRIER; -} -#else -void LPUART4_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART4, s_lpuartHandle[4]); - SDK_ISR_EXIT_BARRIER; -} -#endif -#endif - -#if defined(LPUART5) -#if defined(FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ) && FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ -void LPUART5_TX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART5, s_lpuartHandle[5]); - SDK_ISR_EXIT_BARRIER; -} -void LPUART5_RX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART5, s_lpuartHandle[5]); - SDK_ISR_EXIT_BARRIER; -} -#else -void LPUART5_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART5, s_lpuartHandle[5]); - SDK_ISR_EXIT_BARRIER; -} -#endif -#endif - -#if defined(LPUART6) -#if defined(FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ) && FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ -void LPUART6_TX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART6, s_lpuartHandle[6]); - SDK_ISR_EXIT_BARRIER; -} -void LPUART6_RX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART6, s_lpuartHandle[6]); - SDK_ISR_EXIT_BARRIER; -} -#else -void LPUART6_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART6, s_lpuartHandle[6]); - SDK_ISR_EXIT_BARRIER; -} -#endif -#endif - -#if defined(LPUART7) -#if defined(FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ) && FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ -void LPUART7_TX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART7, s_lpuartHandle[7]); - SDK_ISR_EXIT_BARRIER; -} -void LPUART7_RX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART7, s_lpuartHandle[7]); - SDK_ISR_EXIT_BARRIER; -} -#else -void LPUART7_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART7, s_lpuartHandle[7]); - SDK_ISR_EXIT_BARRIER; -} -#endif -#endif - -#if defined(LPUART8) -#if defined(FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ) && FSL_FEATURE_LPUART_HAS_SEPARATE_RX_TX_IRQ -void LPUART8_TX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART8, s_lpuartHandle[8]); - SDK_ISR_EXIT_BARRIER; -} -void LPUART8_RX_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART8, s_lpuartHandle[8]); - SDK_ISR_EXIT_BARRIER; -} -#else -void LPUART8_DriverIRQHandler(void) -{ - s_lpuartIsr(LPUART8, s_lpuartHandle[8]); - SDK_ISR_EXIT_BARRIER; -} -#endif -#endif - -#if defined(CM4_0__LPUART) -void M4_0_LPUART_DriverIRQHandler(void) -{ - s_lpuartIsr(CM4_0__LPUART, s_lpuartHandle[LPUART_GetInstance(CM4_0__LPUART)]); - SDK_ISR_EXIT_BARRIER; -} -#endif - -#if defined(CM4_1__LPUART) -void M4_1_LPUART_DriverIRQHandler(void) -{ - s_lpuartIsr(CM4_1__LPUART, s_lpuartHandle[LPUART_GetInstance(CM4_1__LPUART)]); - SDK_ISR_EXIT_BARRIER; -} -#endif - -#if defined(CM4__LPUART) -void M4_LPUART_DriverIRQHandler(void) -{ - s_lpuartIsr(CM4__LPUART, s_lpuartHandle[LPUART_GetInstance(CM4__LPUART)]); - SDK_ISR_EXIT_BARRIER; -} -#endif - -#if defined(DMA__LPUART0) -void DMA_UART0_INT_DriverIRQHandler(void) -{ - s_lpuartIsr(DMA__LPUART0, s_lpuartHandle[LPUART_GetInstance(DMA__LPUART0)]); - SDK_ISR_EXIT_BARRIER; -} -#endif - -#if defined(DMA__LPUART1) -void DMA_UART1_INT_DriverIRQHandler(void) -{ - s_lpuartIsr(DMA__LPUART1, s_lpuartHandle[LPUART_GetInstance(DMA__LPUART1)]); - SDK_ISR_EXIT_BARRIER; -} -#endif - -#if defined(DMA__LPUART2) -void DMA_UART2_INT_DriverIRQHandler(void) -{ - s_lpuartIsr(DMA__LPUART2, s_lpuartHandle[LPUART_GetInstance(DMA__LPUART2)]); - SDK_ISR_EXIT_BARRIER; -} -#endif - -#if defined(DMA__LPUART3) -void DMA_UART3_INT_DriverIRQHandler(void) -{ - s_lpuartIsr(DMA__LPUART3, s_lpuartHandle[LPUART_GetInstance(DMA__LPUART3)]); - SDK_ISR_EXIT_BARRIER; -} -#endif - -#if defined(DMA__LPUART4) -void DMA_UART4_INT_DriverIRQHandler(void) -{ - s_lpuartIsr(DMA__LPUART4, s_lpuartHandle[LPUART_GetInstance(DMA__LPUART4)]); - SDK_ISR_EXIT_BARRIER; -} -#endif - -#if defined(ADMA__LPUART0) -void ADMA_UART0_INT_DriverIRQHandler(void) -{ - s_lpuartIsr(ADMA__LPUART0, s_lpuartHandle[LPUART_GetInstance(ADMA__LPUART0)]); - SDK_ISR_EXIT_BARRIER; -} -#endif - -#if defined(ADMA__LPUART1) -void ADMA_UART1_INT_DriverIRQHandler(void) -{ - s_lpuartIsr(ADMA__LPUART1, s_lpuartHandle[LPUART_GetInstance(ADMA__LPUART1)]); - SDK_ISR_EXIT_BARRIER; -} -#endif - -#if defined(ADMA__LPUART2) -void ADMA_UART2_INT_DriverIRQHandler(void) -{ - s_lpuartIsr(ADMA__LPUART2, s_lpuartHandle[LPUART_GetInstance(ADMA__LPUART2)]); - SDK_ISR_EXIT_BARRIER; -} -#endif - -#if defined(ADMA__LPUART3) -void ADMA_UART3_INT_DriverIRQHandler(void) -{ - s_lpuartIsr(ADMA__LPUART3, s_lpuartHandle[LPUART_GetInstance(ADMA__LPUART3)]); - SDK_ISR_EXIT_BARRIER; -} -#endif |