From 48f6a6c302a3e1a3f8915e2503d0fe618d1af285 Mon Sep 17 00:00:00 2001 From: Christian Mauderer Date: Mon, 12 Oct 2020 13:40:30 +0200 Subject: bsp/imxrt: Import files from MCUXpresso SDK V2.8.5 The following files have been imported: cp ${SDK}/boards/evkbimxrt1050/project_template/clock_config.c nxp/boards/evkbimxrt1050 cp ${SDK}/boards/evkbimxrt1050/project_template/clock_config.h include/fsl_clock_config.h cp ${SDK}/boards/evkbimxrt1050/project_template/dcd.c start/flash-dcd.c cp ${SDK}/boards/evkbimxrt1050/project_template/pin_mux.c nxp/boards/evkbimxrt1050 cp ${SDK}/boards/evkbimxrt1050/project_template/pin_mux.h include/fsl_pin_mux.h cp ${SDK}/boards/evkbimxrt1050/xip/evkbimxrt1050_flexspi_nor_config.h include/fsl_flexspi_nor_config.h cp ${SDK}/devices/MIMXRT1052/MIMXRT1052.h include cp ${SDK}/devices/MIMXRT1052/MIMXRT1052_features.h include cp ${SDK}/devices/MIMXRT1052/drivers/fsl_*.c nxp/devices/MIMXRT1052/drivers cp ${SDK}/devices/MIMXRT1052/drivers/fsl_*.h include cp ${SDK}/devices/MIMXRT1052/fsl_device_registers.h include cp ${SDK}/devices/MIMXRT1052/system_MIMXRT1052.h include/ cp ${SDK}/devices/MIMXRT1052/xip/fsl_flexspi_nor_boot.c nxp/devices/MIMXRT1052/xip/fsl_flexspi_nor_boot.c cp ${SDK}/devices/MIMXRT1052/xip/fsl_flexspi_nor_boot.h include Update #4180 --- .../devices/MIMXRT1052/drivers/fsl_lpuart_edma.c | 444 +++++++++++++++++++++ 1 file changed, 444 insertions(+) create mode 100644 bsps/arm/imxrt/nxp/devices/MIMXRT1052/drivers/fsl_lpuart_edma.c (limited to 'bsps/arm/imxrt/nxp/devices/MIMXRT1052/drivers/fsl_lpuart_edma.c') diff --git a/bsps/arm/imxrt/nxp/devices/MIMXRT1052/drivers/fsl_lpuart_edma.c b/bsps/arm/imxrt/nxp/devices/MIMXRT1052/drivers/fsl_lpuart_edma.c new file mode 100644 index 0000000000..c165539ada --- /dev/null +++ b/bsps/arm/imxrt/nxp/devices/MIMXRT1052/drivers/fsl_lpuart_edma.c @@ -0,0 +1,444 @@ +/* + * Copyright (c) 2015, Freescale Semiconductor, Inc. + * Copyright 2016-2019 NXP + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include "fsl_lpuart_edma.h" + +/******************************************************************************* + * Definitions + ******************************************************************************/ + +/* Component ID definition, used by tools. */ +#ifndef FSL_COMPONENT_ID +#define FSL_COMPONENT_ID "platform.drivers.lpuart_edma" +#endif + +/*base, lpuartPrivateHandle->handle); + + /* Ensure all the data in the transmit buffer are sent out to bus. */ + while (0U == (lpuartPrivateHandle->base->STAT & LPUART_STAT_TC_MASK)) + { + } + + if (NULL != lpuartPrivateHandle->handle->callback) + { + lpuartPrivateHandle->handle->callback(lpuartPrivateHandle->base, lpuartPrivateHandle->handle, + kStatus_LPUART_TxIdle, lpuartPrivateHandle->handle->userData); + } + } +} + +static void LPUART_ReceiveEDMACallback(edma_handle_t *handle, void *param, bool transferDone, uint32_t tcds) +{ + assert(NULL != param); + + lpuart_edma_private_handle_t *lpuartPrivateHandle = (lpuart_edma_private_handle_t *)param; + + /* Avoid warning for unused parameters. */ + handle = handle; + tcds = tcds; + + if (transferDone) + { + /* Disable transfer. */ + LPUART_TransferAbortReceiveEDMA(lpuartPrivateHandle->base, lpuartPrivateHandle->handle); + + if (NULL != lpuartPrivateHandle->handle->callback) + { + lpuartPrivateHandle->handle->callback(lpuartPrivateHandle->base, lpuartPrivateHandle->handle, + kStatus_LPUART_RxIdle, lpuartPrivateHandle->handle->userData); + } + } +} + +/*! + * brief Initializes the LPUART handle which is used in transactional functions. + * param base LPUART peripheral base address. + * param handle Pointer to lpuart_edma_handle_t structure. + * param callback Callback function. + * param userData User data. + * param txEdmaHandle User requested DMA handle for TX DMA transfer. + * param rxEdmaHandle User requested DMA handle for RX DMA transfer. + */ +void LPUART_TransferCreateHandleEDMA(LPUART_Type *base, + lpuart_edma_handle_t *handle, + lpuart_edma_transfer_callback_t callback, + void *userData, + edma_handle_t *txEdmaHandle, + edma_handle_t *rxEdmaHandle) +{ + assert(NULL != handle); + + uint32_t instance = LPUART_GetInstance(base); + + s_lpuartEdmaPrivateHandle[instance].base = base; + s_lpuartEdmaPrivateHandle[instance].handle = handle; + + (void)memset(handle, 0, sizeof(*handle)); + + handle->rxState = (uint8_t)kLPUART_RxIdle; + handle->txState = (uint8_t)kLPUART_TxIdle; + + handle->rxEdmaHandle = rxEdmaHandle; + handle->txEdmaHandle = txEdmaHandle; + + handle->callback = callback; + handle->userData = userData; + +#if defined(FSL_FEATURE_LPUART_HAS_FIFO) && FSL_FEATURE_LPUART_HAS_FIFO + /* Note: + Take care of the RX FIFO, EDMA 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 + EDMA transfer because the water mark is 2. + */ + if (NULL != rxEdmaHandle) + { + base->WATER &= (~LPUART_WATER_RXWATER_MASK); + } +#endif + + /* Configure TX. */ + if (NULL != txEdmaHandle) + { + EDMA_SetCallback(handle->txEdmaHandle, LPUART_SendEDMACallback, &s_lpuartEdmaPrivateHandle[instance]); + } + + /* Configure RX. */ + if (NULL != rxEdmaHandle) + { + EDMA_SetCallback(handle->rxEdmaHandle, LPUART_ReceiveEDMACallback, &s_lpuartEdmaPrivateHandle[instance]); + } +} + +/*! + * brief Sends data using eDMA. + * + * This function sends data using eDMA. This is a non-blocking function, which returns + * right away. When all data is sent, the send callback function is called. + * + * param base LPUART peripheral base address. + * param handle LPUART handle pointer. + * param xfer LPUART eDMA transfer structure. See #lpuart_transfer_t. + * retval kStatus_Success if succeed, others failed. + * retval kStatus_LPUART_TxBusy Previous transfer on going. + * retval kStatus_InvalidArgument Invalid argument. + */ +status_t LPUART_SendEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle, lpuart_transfer_t *xfer) +{ + assert(NULL != handle); + assert(NULL != handle->txEdmaHandle); + assert(NULL != xfer); + assert(NULL != xfer->data); + assert(0U != xfer->dataSize); + + edma_transfer_config_t xferConfig; + status_t status; + + /* If previous TX not finished. */ + if ((uint8_t)kLPUART_TxBusy == handle->txState) + { + status = kStatus_LPUART_TxBusy; + } + else + { + handle->txState = (uint8_t)kLPUART_TxBusy; + handle->txDataSizeAll = xfer->dataSize; + + /* Prepare transfer. */ + EDMA_PrepareTransfer(&xferConfig, xfer->data, sizeof(uint8_t), + (void *)(uint32_t *)LPUART_GetDataRegisterAddress(base), sizeof(uint8_t), sizeof(uint8_t), + xfer->dataSize, kEDMA_MemoryToPeripheral); + + /* Store the initially configured eDMA minor byte transfer count into the LPUART handle */ + handle->nbytes = (uint8_t)sizeof(uint8_t); + + /* Submit transfer. */ + if (kStatus_Success != + EDMA_SubmitTransfer(handle->txEdmaHandle, (const edma_transfer_config_t *)(uint32_t)&xferConfig)) + { + return kStatus_Fail; + } + EDMA_StartTransfer(handle->txEdmaHandle); + + /* Enable LPUART TX EDMA. */ + LPUART_EnableTxDMA(base, true); + + status = kStatus_Success; + } + + return status; +} + +/*! + * brief Receives data using eDMA. + * + * This function receives data using eDMA. This is non-blocking function, which returns + * right away. When all data is received, the receive callback function is called. + * + * param base LPUART peripheral base address. + * param handle Pointer to lpuart_edma_handle_t structure. + * param xfer LPUART eDMA transfer structure, see #lpuart_transfer_t. + * retval kStatus_Success if succeed, others fail. + * retval kStatus_LPUART_RxBusy Previous transfer ongoing. + * retval kStatus_InvalidArgument Invalid argument. + */ +status_t LPUART_ReceiveEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle, lpuart_transfer_t *xfer) +{ + assert(NULL != handle); + assert(NULL != handle->rxEdmaHandle); + assert(NULL != xfer); + assert(NULL != xfer->data); + assert(0U != xfer->dataSize); + + edma_transfer_config_t xferConfig; + status_t status; + + /* If previous RX not finished. */ + if ((uint8_t)kLPUART_RxBusy == handle->rxState) + { + status = kStatus_LPUART_RxBusy; + } + else + { + handle->rxState = (uint8_t)kLPUART_RxBusy; + handle->rxDataSizeAll = xfer->dataSize; + + /* Prepare transfer. */ + EDMA_PrepareTransfer(&xferConfig, (void *)(uint32_t *)LPUART_GetDataRegisterAddress(base), sizeof(uint8_t), + xfer->data, sizeof(uint8_t), sizeof(uint8_t), xfer->dataSize, kEDMA_PeripheralToMemory); + + /* Store the initially configured eDMA minor byte transfer count into the LPUART handle */ + handle->nbytes = (uint8_t)sizeof(uint8_t); + + /* Submit transfer. */ + if (kStatus_Success != + EDMA_SubmitTransfer(handle->rxEdmaHandle, (const edma_transfer_config_t *)(uint32_t)&xferConfig)) + { + return kStatus_Fail; + } + EDMA_StartTransfer(handle->rxEdmaHandle); + + /* Enable LPUART RX EDMA. */ + LPUART_EnableRxDMA(base, true); + + status = kStatus_Success; + } + + return status; +} + +/*! + * brief Aborts the sent data using eDMA. + * + * This function aborts the sent data using eDMA. + * + * param base LPUART peripheral base address. + * param handle Pointer to lpuart_edma_handle_t structure. + */ +void LPUART_TransferAbortSendEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle) +{ + assert(NULL != handle); + assert(NULL != handle->txEdmaHandle); + + /* Disable LPUART TX EDMA. */ + LPUART_EnableTxDMA(base, false); + + /* Stop transfer. */ + EDMA_AbortTransfer(handle->txEdmaHandle); + + handle->txState = (uint8_t)kLPUART_TxIdle; +} + +/*! + * brief Aborts the received data using eDMA. + * + * This function aborts the received data using eDMA. + * + * param base LPUART peripheral base address. + * param handle Pointer to lpuart_edma_handle_t structure. + */ +void LPUART_TransferAbortReceiveEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle) +{ + assert(NULL != handle); + assert(NULL != handle->rxEdmaHandle); + + /* Disable LPUART RX EDMA. */ + LPUART_EnableRxDMA(base, false); + + /* Stop transfer. */ + EDMA_AbortTransfer(handle->rxEdmaHandle); + + handle->rxState = (uint8_t)kLPUART_RxIdle; +} + +/*! + * brief Gets the number of received bytes. + * + * This function gets the number of received bytes. + * + * 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_TransferGetReceiveCountEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle, uint32_t *count) +{ + assert(NULL != handle); + assert(NULL != handle->rxEdmaHandle); + assert(NULL != count); + + if ((uint8_t)kLPUART_RxIdle == handle->rxState) + { + return kStatus_NoTransferInProgress; + } + + *count = handle->rxDataSizeAll - + ((uint32_t)handle->nbytes * + EDMA_GetRemainingMajorLoopCount(handle->rxEdmaHandle->base, handle->rxEdmaHandle->channel)); + + return kStatus_Success; +} + +/*! + * brief Gets the number of bytes written to the LPUART TX register. + * + * This function gets the number of bytes written to the LPUART TX + * register by DMA. + * + * 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_TransferGetSendCountEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle, uint32_t *count) +{ + assert(NULL != handle); + assert(NULL != handle->txEdmaHandle); + assert(NULL != count); + + if ((uint8_t)kLPUART_TxIdle == handle->txState) + { + return kStatus_NoTransferInProgress; + } + + *count = handle->txDataSizeAll - + ((uint32_t)handle->nbytes * + EDMA_GetRemainingMajorLoopCount(handle->txEdmaHandle->base, handle->txEdmaHandle->channel)); + + return kStatus_Success; +} -- cgit v1.2.3