/* * Copyright (c) 2013-2016 ARM Limited. All rights reserved. * Copyright (c) 2016, Freescale Semiconductor, Inc. Not a Contribution. * Copyright 2016-2017 NXP. Not a Contribution. * * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the License); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an AS IS BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "fsl_spi_cmsis.h" /* Component ID definition, used by tools. */ #ifndef FSL_COMPONENT_ID #define FSL_COMPONENT_ID "platform.drivers.vspi_cmsis" #endif #if (RTE_SPI0 || RTE_SPI1) #define ARM_SPI_DRV_VERSION ARM_DRIVER_VERSION_MAJOR_MINOR(2, 0) /* driver version */ /* * ARMCC does not support split the data section automatically, so the driver * needs to split the data to separate sections explicitly, to reduce codesize. */ #if defined(__CC_ARM) || defined(__ARMCC_VERSION) #define ARMCC_SECTION(section_name) __attribute__((section(section_name))) #endif typedef const struct _cmsis_spi_resource { SPI_Type *base; uint32_t instance; uint32_t (*GetFreq)(void); } cmsis_spi_resource_t; typedef union _cmsis_spi_handle { spi_master_handle_t masterHandle; spi_slave_handle_t slaveHandle; } cmsis_spi_handle_t; typedef struct _cmsis_spi_interrupt_driver_state { cmsis_spi_resource_t *resource; cmsis_spi_handle_t *handle; ARM_SPI_SignalEvent_t cb_event; uint32_t baudRate_Bps; uint8_t flags; /*!< Control and state flags. */ } cmsis_spi_interrupt_driver_state_t; #if (defined(FSL_FEATURE_SOC_DMA_COUNT) && FSL_FEATURE_SOC_DMA_COUNT) typedef const struct _cmsis_spi_dma_resource { DMA_Type *txdmaBase; uint32_t txdmaChannel; DMA_Type *rxdmaBase; uint32_t rxdmaChannel; } cmsis_spi_dma_resource_t; typedef union _cmsis_spi_dma_handle { spi_dma_handle_t masterHandle; spi_dma_handle_t slaveHandle; } cmsis_spi_dma_handle_t; typedef struct _cmsis_spi_dma_driver_state { cmsis_spi_resource_t *resource; cmsis_spi_dma_resource_t *dmaResource; cmsis_spi_dma_handle_t *handle; dma_handle_t *dmaRxDataHandle; dma_handle_t *dmaTxDataHandle; uint32_t baudRate_Bps; ARM_SPI_SignalEvent_t cb_event; uint8_t flags; /*!< Control and state flags. */ } cmsis_spi_dma_driver_state_t; #endif /* Driver Version */ static const ARM_DRIVER_VERSION s_SPIDriverVersion = {ARM_SPI_API_VERSION, ARM_SPI_DRV_VERSION}; /* Driver Capabilities */ static const ARM_SPI_CAPABILITIES s_SPIDriverCapabilities = { 1, /* Simplex Mode (Master and Slave) */ 0, /* TI Synchronous Serial Interface */ 0, /* Microwire Interface */ 0 /* Signal Mode Fault event: \ref ARM_SPI_EVENT_MODE_FAULT */ }; /******************************************************************************* * Code ******************************************************************************/ void SPI_MasterCommonControl(uint32_t control, cmsis_spi_resource_t *resource, uint8_t *status, spi_master_config_t *masterConfig) { switch (resource->instance) { case 0: #if defined(RTE_SPI0_SSEL_NUM) masterConfig->sselNum = RTE_SPI0_SSEL_NUM; #endif #if defined(RTE_SPI0_SSEL_POL) masterConfig->sselPol = RTE_SPI0_SSEL_POL; #endif break; case 1: #if defined(RTE_SPI1_SSEL_NUM) masterConfig->sselNum = RTE_SPI1_SSEL_NUM; #endif #if defined(RTE_SPI1_SSEL_POL) masterConfig->sselPol = RTE_SPI1_SSEL_POL; #endif break; default: break; } switch (control & ARM_SPI_FRAME_FORMAT_Msk) { case ARM_SPI_CPOL0_CPHA0: masterConfig->polarity = kSPI_ClockPolarityActiveHigh; masterConfig->phase = kSPI_ClockPhaseFirstEdge; break; case ARM_SPI_CPOL0_CPHA1: masterConfig->polarity = kSPI_ClockPolarityActiveHigh; masterConfig->phase = kSPI_ClockPhaseSecondEdge; break; case ARM_SPI_CPOL1_CPHA0: masterConfig->polarity = kSPI_ClockPolarityActiveLow; masterConfig->phase = kSPI_ClockPhaseFirstEdge; break; case ARM_SPI_CPOL1_CPHA1: masterConfig->polarity = kSPI_ClockPolarityActiveLow; masterConfig->phase = kSPI_ClockPhaseSecondEdge; break; default: break; } if (control & ARM_SPI_DATA_BITS_Msk) /* setting Number of Data bits */ { if ((((control & ARM_SPI_DATA_BITS_Msk) >> ARM_SPI_DATA_BITS_Pos) <= 16)) { masterConfig->dataWidth = (spi_data_width_t)(((control & ARM_SPI_DATA_BITS_Msk) >> ARM_SPI_DATA_BITS_Pos) - 1); } } switch (control & ARM_SPI_BIT_ORDER_Msk) { case ARM_SPI_LSB_MSB: masterConfig->direction = kSPI_LsbFirst; break; case ARM_SPI_MSB_LSB: masterConfig->direction = kSPI_MsbFirst; break; default: break; } /* FIFO configurations. */ #if defined(RTE_SPI_FIFO_ENABLE) && (RTE_SPI_FIFO_ENABLE == 1U) switch (resource->instance) { case 0: masterConfig->fifoConfig.txFifoSize = SPI0_TX_FIFO_SIZE; masterConfig->fifoConfig.rxFifoSize = SPI0_RX_FIFO_SIZE; masterConfig->fifoConfig.enableRxFifo = (bool)SPI0_RX_FIFO_SIZE; masterConfig->fifoConfig.enableTxFifo = (bool)SPI0_TX_FIFO_SIZE; break; case 1: masterConfig->fifoConfig.txFifoSize = SPI1_TX_FIFO_SIZE; masterConfig->fifoConfig.rxFifoSize = SPI1_RX_FIFO_SIZE; masterConfig->fifoConfig.enableRxFifo = (bool)SPI1_RX_FIFO_SIZE; masterConfig->fifoConfig.enableTxFifo = (bool)SPI1_TX_FIFO_SIZE; break; default: break; } #endif /* FIFO configurations. */ } void SPI_SlaveCommonControl(uint32_t control, cmsis_spi_resource_t *resource, uint8_t *status, spi_slave_config_t *slaveConfig) { switch (resource->instance) { case 0: #if defined(RTE_SPI0_SSEL_POL) slaveConfig->sselPol = RTE_SPI0_SSEL_POL; #endif break; case 1: #if defined(RTE_SPI1_SSEL_POL) slaveConfig->sselPol = RTE_SPI1_SSEL_POL; #endif break; default: break; } switch (control & ARM_SPI_FRAME_FORMAT_Msk) { case ARM_SPI_CPOL0_CPHA0: slaveConfig->polarity = kSPI_ClockPolarityActiveHigh; slaveConfig->phase = kSPI_ClockPhaseFirstEdge; break; case ARM_SPI_CPOL0_CPHA1: slaveConfig->polarity = kSPI_ClockPolarityActiveHigh; slaveConfig->phase = kSPI_ClockPhaseSecondEdge; break; case ARM_SPI_CPOL1_CPHA0: slaveConfig->polarity = kSPI_ClockPolarityActiveLow; slaveConfig->phase = kSPI_ClockPhaseFirstEdge; break; case ARM_SPI_CPOL1_CPHA1: slaveConfig->polarity = kSPI_ClockPolarityActiveLow; slaveConfig->phase = kSPI_ClockPhaseSecondEdge; break; default: break; } if (control & ARM_SPI_DATA_BITS_Msk) /* setting Number of Data bits */ { if (((control & ARM_SPI_DATA_BITS_Msk) >> ARM_SPI_DATA_BITS_Pos) <= 16) { slaveConfig->dataWidth = (spi_data_width_t)(((control & ARM_SPI_DATA_BITS_Msk) >> ARM_SPI_DATA_BITS_Pos) - 1); } } switch (control & ARM_SPI_BIT_ORDER_Msk) { case ARM_SPI_LSB_MSB: slaveConfig->direction = kSPI_LsbFirst; break; case ARM_SPI_MSB_LSB: slaveConfig->direction = kSPI_MsbFirst; break; default: break; } /* FIFO configurations. */ #if defined(RTE_SPI_FIFO_ENABLE) && (RTE_SPI_FIFO_ENABLE == 1U) switch (resource->instance) { case 0: slaveConfig->fifoConfig.txFifoSize = SPI0_TX_FIFO_SIZE; slaveConfig->fifoConfig.rxFifoSize = SPI0_RX_FIFO_SIZE; slaveConfig->fifoConfig.enableRxFifo = (bool)SPI0_RX_FIFO_SIZE; slaveConfig->fifoConfig.enableTxFifo = (bool)SPI0_TX_FIFO_SIZE; break; case 1: slaveConfig->fifoConfig.txFifoSize = SPI1_TX_FIFO_SIZE; slaveConfig->fifoConfig.rxFifoSize = SPI1_RX_FIFO_SIZE; slaveConfig->fifoConfig.enableRxFifo = (bool)SPI1_RX_FIFO_SIZE; slaveConfig->fifoConfig.enableTxFifo = (bool)SPI1_TX_FIFO_SIZE; break; default: break; } #endif /* FIFO configurations. */ } static ARM_DRIVER_VERSION SPIx_GetVersion(void) { return s_SPIDriverVersion; } static ARM_SPI_CAPABILITIES SPIx_GetCapabilities(void) { return s_SPIDriverCapabilities; } #endif #if (RTE_SPI0_DMA_EN || RTE_SPI1_DMA_EN) #if (defined(FSL_FEATURE_SOC_DMA_COUNT) && FSL_FEATURE_SOC_DMA_COUNT) void KSDK_SPI_MasterDMACallback(SPI_Type *base, spi_dma_handle_t *handle, status_t status, void *userData) { uint32_t event = 0; if (kStatus_Success == status) { event = ARM_SPI_EVENT_TRANSFER_COMPLETE; } if (kStatus_SPI_Error == status) { event = ARM_SPI_EVENT_DATA_LOST; } if (userData) { ((ARM_SPI_SignalEvent_t)userData)(event); } } void KSDK_SPI_SlaveDMACallback(SPI_Type *base, spi_dma_handle_t *handle, status_t status, void *userData) { uint32_t event = 0; if (kStatus_Success == status) { event = ARM_SPI_EVENT_TRANSFER_COMPLETE; } if (kStatus_SPI_Error == status) { event = ARM_SPI_EVENT_DATA_LOST; } /* User data is actually CMSIS driver callback. */ if (userData) { ((ARM_SPI_SignalEvent_t)userData)(event); } } static int32_t SPI_DMAInitialize(ARM_SPI_SignalEvent_t cb_event, cmsis_spi_dma_driver_state_t *spi) { if (!(spi->flags & SPI_FLAG_INIT)) { spi->cb_event = cb_event; spi->flags = SPI_FLAG_INIT; } return ARM_DRIVER_OK; } static int32_t SPI_DMAUninitialize(cmsis_spi_dma_driver_state_t *spi) { spi->flags = SPI_FLAG_UNINIT; return ARM_DRIVER_OK; } static int32_t SPI_DMAPowerControl(ARM_POWER_STATE state, cmsis_spi_dma_driver_state_t *spi) { switch (state) { case ARM_POWER_OFF: if (spi->flags & SPI_FLAG_POWER) { SPI_Deinit(spi->resource->base); DMA_DisableChannel(spi->dmaResource->txdmaBase, spi->dmaResource->txdmaChannel); DMA_DisableChannel(spi->dmaResource->rxdmaBase, spi->dmaResource->rxdmaChannel); DMA_Deinit(spi->dmaResource->txdmaBase); DMA_Deinit(spi->dmaResource->rxdmaBase); spi->flags = SPI_FLAG_INIT; } break; case ARM_POWER_LOW: return ARM_DRIVER_ERROR_UNSUPPORTED; case ARM_POWER_FULL: if (spi->flags == SPI_FLAG_UNINIT) { return ARM_DRIVER_ERROR; } if (spi->flags & SPI_FLAG_POWER) { /* Driver already powered */ break; } /* Init DMA */ DMA_Init(spi->dmaResource->rxdmaBase); DMA_Init(spi->dmaResource->txdmaBase); spi->flags |= SPI_FLAG_POWER; break; default: return ARM_DRIVER_ERROR_UNSUPPORTED; } return ARM_DRIVER_OK; } static int32_t SPI_DMASend(const void *data, uint32_t num, cmsis_spi_dma_driver_state_t *spi) { int32_t ret; status_t status; spi_transfer_t xfer = {0}; xfer.rxData = NULL; xfer.txData = (uint8_t *)data; xfer.dataSize = num; if (spi->flags & SPI_FLAG_MASTER) { xfer.configFlags |= kSPI_FrameAssert; } if (spi->flags & SPI_FLAG_MASTER) { status = SPI_MasterTransferDMA(spi->resource->base, &spi->handle->masterHandle, &xfer); } else { status = SPI_SlaveTransferDMA(spi->resource->base, &spi->handle->slaveHandle, &xfer); } switch (status) { case kStatus_Success: ret = ARM_DRIVER_OK; break; case kStatus_InvalidArgument: ret = ARM_DRIVER_ERROR_PARAMETER; break; case kStatus_SPI_Busy: ret = ARM_DRIVER_ERROR_BUSY; break; default: ret = ARM_DRIVER_ERROR; break; } return ret; } static int32_t SPI_DMAReceive(void *data, uint32_t num, cmsis_spi_dma_driver_state_t *spi) { int32_t ret; status_t status; spi_transfer_t xfer = {0}; xfer.txData = NULL; xfer.rxData = (uint8_t *)data; xfer.dataSize = num; if (spi->flags & SPI_FLAG_MASTER) { xfer.configFlags |= kSPI_FrameAssert; } if (spi->flags & SPI_FLAG_MASTER) { status = SPI_MasterTransferDMA(spi->resource->base, &spi->handle->masterHandle, &xfer); } else { status = SPI_SlaveTransferDMA(spi->resource->base, &spi->handle->slaveHandle, &xfer); } switch (status) { case kStatus_Success: ret = ARM_DRIVER_OK; break; case kStatus_InvalidArgument: ret = ARM_DRIVER_ERROR_PARAMETER; break; case kStatus_SPI_Busy: ret = ARM_DRIVER_ERROR_BUSY; break; default: ret = ARM_DRIVER_ERROR; break; } return ret; } static int32_t SPI_DMATransfer(const void *data_out, void *data_in, uint32_t num, cmsis_spi_dma_driver_state_t *spi) { int32_t ret; status_t status; spi_transfer_t xfer = {0}; xfer.txData = (uint8_t *)data_out; xfer.rxData = (uint8_t *)data_in; xfer.dataSize = num; if (spi->flags & SPI_FLAG_MASTER) { xfer.configFlags |= kSPI_FrameAssert; } if (spi->flags & SPI_FLAG_MASTER) { status = SPI_MasterTransferDMA(spi->resource->base, &spi->handle->masterHandle, &xfer); } else { status = SPI_SlaveTransferDMA(spi->resource->base, &spi->handle->slaveHandle, &xfer); } switch (status) { case kStatus_Success: ret = ARM_DRIVER_OK; break; case kStatus_InvalidArgument: ret = ARM_DRIVER_ERROR_PARAMETER; break; case kStatus_SPI_Busy: ret = ARM_DRIVER_ERROR_BUSY; break; default: ret = ARM_DRIVER_ERROR; break; } return ret; } static uint32_t SPI_DMAGetCount(cmsis_spi_dma_driver_state_t *spi) { uint32_t cnt; size_t bytes; bytes = DMA_GetRemainingBytes(spi->dmaResource->rxdmaBase, spi->dmaResource->rxdmaChannel); if (spi->flags & SPI_FLAG_MASTER) { cnt = spi->handle->masterHandle.transferSize - bytes; } else { cnt = spi->handle->slaveHandle.transferSize - bytes; } return cnt; } static int32_t SPI_DMAControl(uint32_t control, uint32_t arg, cmsis_spi_dma_driver_state_t *spi) { if (!(spi->flags & SPI_FLAG_POWER)) { return ARM_DRIVER_ERROR; } switch (control & ARM_SPI_CONTROL_Msk) { case ARM_SPI_MODE_INACTIVE: SPI_Enable(spi->resource->base, false); break; case ARM_SPI_MODE_MASTER: spi->baudRate_Bps = arg; spi->flags |= SPI_FLAG_MASTER; break; case ARM_SPI_MODE_SLAVE: spi->flags &= ~SPI_FLAG_MASTER; break; case ARM_SPI_SET_BUS_SPEED: if (!(spi->flags & SPI_FLAG_MASTER)) { return ARM_DRIVER_ERROR_UNSUPPORTED; } SPI_MasterSetBaud(spi->resource->base, arg, spi->resource->GetFreq()); spi->baudRate_Bps = arg; return ARM_DRIVER_OK; case ARM_SPI_GET_BUS_SPEED: /* Set Bus Speed in bps; arg = value */ if (!(spi->flags & SPI_FLAG_MASTER)) { return ARM_DRIVER_ERROR_UNSUPPORTED; } return spi->baudRate_Bps; case ARM_SPI_CONTROL_SS: return ARM_DRIVER_ERROR_UNSUPPORTED; case ARM_SPI_ABORT_TRANSFER: if (spi->flags & SPI_FLAG_MASTER) { SPI_MasterTransferAbortDMA(spi->resource->base, &spi->handle->masterHandle); } else { SPI_SlaveTransferAbortDMA(spi->resource->base, &spi->handle->slaveHandle); } return ARM_DRIVER_OK; case ARM_SPI_SET_DEFAULT_TX_VALUE: /* Set default Transmit value; arg = value */ SPI_SetDummyData(spi->resource->base, (uint8_t)arg); return ARM_DRIVER_OK; case ARM_SPI_MODE_MASTER_SIMPLEX: /* SPI Master (Output/Input on MOSI); arg = Bus Speed in bps */ /* Mode is not supported by current driver. */ return ARM_DRIVER_ERROR_UNSUPPORTED; case ARM_SPI_MODE_SLAVE_SIMPLEX: /* SPI Slave (Output/Input on MISO) */ /* Mode is not supported by current driver. */ return ARM_DRIVER_ERROR_UNSUPPORTED; default: break; } if (spi->flags & SPI_FLAG_MASTER) { switch (control & ARM_SPI_SS_MASTER_MODE_Msk) { /* * Note: * ARM_SPI_SS_MASTER_HW_OUTPUT is default configuration in driver, if ARM_SPI_SS_MASTER_UNUSED or * ARM_SPI_SS_MASTER_SW is wanted, please disable pin function in SPIx_InitPins() which is configured * by user in extern file. Besides, ARM_SPI_SS_MASTER_HW_INPUT is not supported in this driver. */ case ARM_SPI_SS_MASTER_UNUSED: /*!< SPI Slave Select when Master: Not used */ break; case ARM_SPI_SS_MASTER_SW: /*!< SPI Slave Select when Master: Software controlled. */ break; case ARM_SPI_SS_MASTER_HW_OUTPUT: /*!< SPI Slave Select when Master: Hardware controlled Output */ break; case ARM_SPI_SS_MASTER_HW_INPUT: /*!< SPI Slave Select when Master: Hardware monitored Input */ break; default: break; } spi_master_config_t masterConfig; SPI_MasterGetDefaultConfig(&masterConfig); masterConfig.baudRate_Bps = spi->baudRate_Bps; SPI_MasterCommonControl(control, spi->resource, &spi->flags, &masterConfig); if (spi->flags & SPI_FLAG_CONFIGURED) { SPI_Deinit(spi->resource->base); } SPI_MasterInit(spi->resource->base, &masterConfig, spi->resource->GetFreq()); DMA_EnableChannel(spi->dmaResource->txdmaBase, spi->dmaResource->txdmaChannel); DMA_EnableChannel(spi->dmaResource->rxdmaBase, spi->dmaResource->rxdmaChannel); DMA_SetChannelPriority(spi->dmaResource->txdmaBase, spi->dmaResource->txdmaChannel, kDMA_ChannelPriority3); DMA_SetChannelPriority(spi->dmaResource->rxdmaBase, spi->dmaResource->rxdmaChannel, kDMA_ChannelPriority2); DMA_CreateHandle(spi->dmaTxDataHandle, spi->dmaResource->txdmaBase, spi->dmaResource->txdmaChannel); DMA_CreateHandle(spi->dmaRxDataHandle, spi->dmaResource->rxdmaBase, spi->dmaResource->rxdmaChannel); SPI_MasterTransferCreateHandleDMA(spi->resource->base, &(spi->handle->masterHandle), KSDK_SPI_MasterDMACallback, (void *)spi->cb_event, spi->dmaTxDataHandle, spi->dmaRxDataHandle); spi->flags |= SPI_FLAG_CONFIGURED; } else { /* The SPI slave select is controlled by hardware, software mode is not supported by current driver. */ switch (control & ARM_SPI_SS_SLAVE_MODE_Msk) { case ARM_SPI_SS_SLAVE_HW: break; case ARM_SPI_SS_SLAVE_SW: break; default: break; } spi_slave_config_t slaveConfig; SPI_SlaveGetDefaultConfig(&slaveConfig); SPI_SlaveCommonControl(control, spi->resource, &spi->flags, &slaveConfig); if (spi->flags & SPI_FLAG_CONFIGURED) { SPI_Deinit(spi->resource->base); } SPI_SlaveInit(spi->resource->base, &slaveConfig); DMA_EnableChannel(spi->dmaResource->txdmaBase, spi->dmaResource->txdmaChannel); DMA_EnableChannel(spi->dmaResource->rxdmaBase, spi->dmaResource->rxdmaChannel); DMA_SetChannelPriority(spi->dmaResource->txdmaBase, spi->dmaResource->txdmaChannel, kDMA_ChannelPriority0); DMA_SetChannelPriority(spi->dmaResource->rxdmaBase, spi->dmaResource->rxdmaChannel, kDMA_ChannelPriority1); DMA_CreateHandle(spi->dmaTxDataHandle, spi->dmaResource->txdmaBase, spi->dmaResource->txdmaChannel); DMA_CreateHandle(spi->dmaRxDataHandle, spi->dmaResource->rxdmaBase, spi->dmaResource->rxdmaChannel); SPI_SlaveTransferCreateHandleDMA(spi->resource->base, &(spi->handle->slaveHandle), KSDK_SPI_SlaveDMACallback, (void *)spi->cb_event, spi->dmaTxDataHandle, spi->dmaRxDataHandle); spi->flags |= SPI_FLAG_CONFIGURED; } return ARM_DRIVER_OK; } ARM_SPI_STATUS SPI_DMAGetStatus(cmsis_spi_dma_driver_state_t *spi) { ARM_SPI_STATUS stat; if (spi->flags & SPI_FLAG_MASTER) { stat.busy = ((spi->handle->masterHandle.txInProgress == true) || (spi->handle->masterHandle.rxInProgress == true)) ? (0U) : (1U); stat.data_lost = (kStatus_SPI_Error == spi->handle->masterHandle.state) ? (1U) : (0U); } else { stat.busy = ((spi->handle->slaveHandle.txInProgress == true) || (spi->handle->slaveHandle.rxInProgress == true)) ? (0U) : (1U); stat.data_lost = (kStatus_SPI_Error == spi->handle->slaveHandle.state) ? (1U) : (0U); } stat.mode_fault = 0U; stat.reserved = 0U; return stat; } #endif /* defined(FSL_FEATURE_SOC_DMA_COUNT) */ #endif #if ((RTE_SPI0 && !RTE_SPI0_DMA_EN) || (RTE_SPI1 && !RTE_SPI1_DMA_EN)) void KSDK_SPI_MasterInterruptCallback(SPI_Type *base, spi_master_handle_t *handle, status_t status, void *userData) { uint32_t event = 0; if ((kStatus_Success == status) || (kStatus_SPI_Idle == status)) { event = ARM_SPI_EVENT_TRANSFER_COMPLETE; } if (kStatus_SPI_Error == status) { event = ARM_SPI_EVENT_DATA_LOST; } /* User data is actually CMSIS driver callback. */ if (userData) { ((ARM_SPI_SignalEvent_t)userData)(event); } } void KSDK_SPI_SlaveInterruptCallback(SPI_Type *base, spi_slave_handle_t *handle, status_t status, void *userData) { uint32_t event = 0; if ((kStatus_Success == status) || (kStatus_SPI_Idle == status)) { event = ARM_SPI_EVENT_TRANSFER_COMPLETE; } if (kStatus_SPI_Error == status) { event = ARM_SPI_EVENT_DATA_LOST; } /* User data is actually CMSIS driver callback. */ if (userData) { ((ARM_SPI_SignalEvent_t)userData)(event); } } static int32_t SPI_InterruptInitialize(ARM_SPI_SignalEvent_t cb_event, cmsis_spi_interrupt_driver_state_t *spi) { if (!(spi->flags & SPI_FLAG_INIT)) { spi->cb_event = cb_event; spi->flags = SPI_FLAG_INIT; } return ARM_DRIVER_OK; } static int32_t SPI_InterruptUninitialize(cmsis_spi_interrupt_driver_state_t *spi) { spi->flags = SPI_FLAG_UNINIT; return ARM_DRIVER_OK; } static int32_t SPI_InterruptPowerControl(ARM_POWER_STATE state, cmsis_spi_interrupt_driver_state_t *spi) { switch (state) { case ARM_POWER_OFF: if (spi->flags & SPI_FLAG_POWER) { SPI_Deinit(spi->resource->base); spi->flags = SPI_FLAG_INIT; } break; case ARM_POWER_LOW: return ARM_DRIVER_ERROR_UNSUPPORTED; case ARM_POWER_FULL: if (spi->flags == SPI_FLAG_UNINIT) { return ARM_DRIVER_ERROR; } if (spi->flags & SPI_FLAG_POWER) { /* Driver already powered */ break; } spi->flags |= SPI_FLAG_POWER; break; default: return ARM_DRIVER_ERROR_UNSUPPORTED; } return ARM_DRIVER_OK; } static int32_t SPI_InterruptSend(const void *data, uint32_t num, cmsis_spi_interrupt_driver_state_t *spi) { int32_t ret; status_t status; spi_transfer_t xfer = {0}; xfer.rxData = NULL; xfer.txData = (uint8_t *)data; xfer.dataSize = num; if (spi->flags & SPI_FLAG_MASTER) { xfer.configFlags |= kSPI_FrameAssert; } if (spi->flags & SPI_FLAG_MASTER) { status = SPI_MasterTransferNonBlocking(spi->resource->base, &spi->handle->masterHandle, &xfer); } else { status = SPI_SlaveTransferNonBlocking(spi->resource->base, &spi->handle->slaveHandle, &xfer); } switch (status) { case kStatus_Success: ret = ARM_DRIVER_OK; break; case kStatus_InvalidArgument: ret = ARM_DRIVER_ERROR_PARAMETER; break; case kStatus_SPI_Busy: ret = ARM_DRIVER_ERROR_BUSY; break; default: ret = ARM_DRIVER_ERROR; break; } return ret; } static int32_t SPI_InterruptReceive(void *data, uint32_t num, cmsis_spi_interrupt_driver_state_t *spi) { int32_t ret; status_t status; spi_transfer_t xfer = {0}; xfer.txData = NULL; xfer.rxData = (uint8_t *)data; xfer.dataSize = num; if (spi->flags & SPI_FLAG_MASTER) { xfer.configFlags |= kSPI_FrameAssert; } if (spi->flags & SPI_FLAG_MASTER) { status = SPI_MasterTransferNonBlocking(spi->resource->base, &spi->handle->masterHandle, &xfer); } else { status = SPI_SlaveTransferNonBlocking(spi->resource->base, &spi->handle->slaveHandle, &xfer); } switch (status) { case kStatus_Success: ret = ARM_DRIVER_OK; break; case kStatus_InvalidArgument: ret = ARM_DRIVER_ERROR_PARAMETER; break; case kStatus_SPI_Busy: ret = ARM_DRIVER_ERROR_BUSY; break; default: ret = ARM_DRIVER_ERROR; break; } return ret; } static int32_t SPI_InterruptTransfer(const void *data_out, void *data_in, uint32_t num, cmsis_spi_interrupt_driver_state_t *spi) { int32_t ret; status_t status; spi_transfer_t xfer = {0}; xfer.txData = (uint8_t *)data_out; xfer.rxData = (uint8_t *)data_in; xfer.dataSize = num; if (spi->flags & SPI_FLAG_MASTER) { xfer.configFlags |= kSPI_FrameAssert; } if (spi->flags & SPI_FLAG_MASTER) { status = SPI_MasterTransferNonBlocking(spi->resource->base, &spi->handle->masterHandle, &xfer); } else { status = SPI_SlaveTransferNonBlocking(spi->resource->base, &spi->handle->slaveHandle, &xfer); } switch (status) { case kStatus_Success: ret = ARM_DRIVER_OK; break; case kStatus_InvalidArgument: ret = ARM_DRIVER_ERROR_PARAMETER; break; case kStatus_SPI_Busy: ret = ARM_DRIVER_ERROR_BUSY; break; default: ret = ARM_DRIVER_ERROR; break; } return ret; } static uint32_t SPI_InterruptGetCount(cmsis_spi_interrupt_driver_state_t *spi) { return spi->handle->masterHandle.totalByteCount - spi->handle->masterHandle.rxRemainingBytes; } static int32_t SPI_InterruptControl(uint32_t control, uint32_t arg, cmsis_spi_interrupt_driver_state_t *spi) { if (!(spi->flags & SPI_FLAG_POWER)) { return ARM_DRIVER_ERROR; } switch (control & ARM_SPI_CONTROL_Msk) { case ARM_SPI_MODE_MASTER: /* SPI Master (Output on MOSI, Input on MISO); arg = Bus Speed in bps */ spi->baudRate_Bps = arg; spi->flags |= SPI_FLAG_MASTER; break; case ARM_SPI_MODE_SLAVE: /* SPI Slave (Output on MISO, Input on MOSI) */ spi->flags &= ~SPI_FLAG_MASTER; break; case ARM_SPI_GET_BUS_SPEED: /* Get Bus Speed in bps */ if (!(spi->flags & SPI_FLAG_MASTER)) { return ARM_DRIVER_ERROR_UNSUPPORTED; } return spi->baudRate_Bps; case ARM_SPI_SET_BUS_SPEED: /* Set Bus Speed in bps; */ if (!(spi->flags & SPI_FLAG_MASTER)) { return ARM_DRIVER_ERROR_UNSUPPORTED; } SPI_MasterSetBaud(spi->resource->base, arg, spi->resource->GetFreq()); spi->baudRate_Bps = arg; return ARM_DRIVER_OK; case ARM_SPI_CONTROL_SS: return ARM_DRIVER_ERROR_UNSUPPORTED; case ARM_SPI_ABORT_TRANSFER: /* Abort current data transfer */ if (spi->flags & SPI_FLAG_MASTER) { SPI_MasterTransferAbort(spi->resource->base, &spi->handle->masterHandle); } else { SPI_SlaveTransferAbort(spi->resource->base, &spi->handle->slaveHandle); } return ARM_DRIVER_OK; case ARM_SPI_SET_DEFAULT_TX_VALUE: /* Set default Transmit value; arg = value */ SPI_SetDummyData(spi->resource->base, (uint8_t)arg); return ARM_DRIVER_OK; case ARM_SPI_MODE_MASTER_SIMPLEX: /* SPI Master (Output/Input on MOSI); arg = Bus Speed in bps */ /* Mode is not supported by current driver. */ return ARM_DRIVER_ERROR_UNSUPPORTED; case ARM_SPI_MODE_SLAVE_SIMPLEX: /* SPI Slave (Output/Input on MISO) */ /* Mode is not supported by current driver. */ return ARM_DRIVER_ERROR_UNSUPPORTED; default: break; } if (spi->flags & SPI_FLAG_MASTER) { switch (control & ARM_SPI_SS_MASTER_MODE_Msk) { /* * Note: * ARM_SPI_SS_MASTER_HW_OUTPUT is default configuration in driver, if ARM_SPI_SS_MASTER_UNUSED or * ARM_SPI_SS_MASTER_SW is wanted, please disable pin function in SPIx_InitPins() which is configured * by user in extern file. Besides ARM_SPI_SS_MASTER_HW_INPUT is not supported in this driver. */ case ARM_SPI_SS_MASTER_UNUSED: /*!< SPI Slave Select when Master: Not used */ break; case ARM_SPI_SS_MASTER_SW: /*!< SPI Slave Select when Master: Software controlled. */ break; case ARM_SPI_SS_MASTER_HW_OUTPUT: /*!< SPI Slave Select when Master: Hardware controlled Output */ break; case ARM_SPI_SS_MASTER_HW_INPUT: /*!< SPI Slave Select when Master: Hardware monitored Input */ break; default: break; } spi_master_config_t masterConfig; SPI_MasterGetDefaultConfig(&masterConfig); masterConfig.baudRate_Bps = spi->baudRate_Bps; SPI_MasterCommonControl(control, spi->resource, &spi->flags, &masterConfig); if (spi->flags & SPI_FLAG_CONFIGURED) { SPI_Deinit(spi->resource->base); } SPI_MasterInit(spi->resource->base, &masterConfig, spi->resource->GetFreq()); SPI_MasterTransferCreateHandle(spi->resource->base, &spi->handle->masterHandle, KSDK_SPI_MasterInterruptCallback, (void *)spi->cb_event); spi->flags |= SPI_FLAG_CONFIGURED; } else { /* The SPI slave select is controlled by hardware, software mode is not supported by current driver. */ switch (control & ARM_SPI_SS_SLAVE_MODE_Msk) { case ARM_SPI_SS_SLAVE_HW: break; case ARM_SPI_SS_SLAVE_SW: break; default: break; } spi_slave_config_t slaveConfig; SPI_SlaveGetDefaultConfig(&slaveConfig); SPI_SlaveCommonControl(control, spi->resource, &spi->flags, &slaveConfig); if (spi->flags & SPI_FLAG_CONFIGURED) { SPI_Deinit(spi->resource->base); } SPI_SlaveInit(spi->resource->base, &slaveConfig); SPI_SlaveTransferCreateHandle(spi->resource->base, &spi->handle->slaveHandle, KSDK_SPI_SlaveInterruptCallback, (void *)spi->cb_event); spi->flags |= SPI_FLAG_CONFIGURED; } return ARM_DRIVER_OK; } ARM_SPI_STATUS SPI_InterruptGetStatus(cmsis_spi_interrupt_driver_state_t *spi) { ARM_SPI_STATUS stat; if (spi->flags & SPI_FLAG_MASTER) { stat.busy = ((spi->handle->masterHandle.txRemainingBytes > 0) || (spi->handle->masterHandle.rxRemainingBytes > 0)) ? (0U) : (1U); stat.data_lost = (kStatus_SPI_Error == spi->handle->masterHandle.state) ? (1U) : (0U); } else { stat.busy = ((spi->handle->slaveHandle.txRemainingBytes > 0) || (spi->handle->slaveHandle.rxRemainingBytes > 0)) ? (0U) : (1U); stat.data_lost = (kStatus_SPI_Error == spi->handle->slaveHandle.state) ? (1U) : (0U); } stat.mode_fault = 0U; stat.reserved = 0U; return stat; } #endif #if defined(SPI0) && RTE_SPI0 /* User needs to provide the implementation for SPI0_GetFreq/InitPins/DeinitPins in the application for enabling according instance. */ extern uint32_t SPI0_GetFreq(void); extern void SPI0_InitPins(void); extern void SPI0_DeinitPins(void); cmsis_spi_resource_t SPI0_Resource = {SPI0, 0, SPI0_GetFreq}; #if RTE_SPI0_DMA_EN #if (defined(FSL_FEATURE_SOC_DMA_COUNT) && FSL_FEATURE_SOC_DMA_COUNT) cmsis_spi_dma_resource_t SPI0_DMAResource = {RTE_SPI0_DMA_TX_DMA_BASE, RTE_SPI0_DMA_TX_CH, RTE_SPI0_DMA_RX_DMA_BASE, RTE_SPI0_DMA_RX_CH}; static cmsis_spi_dma_handle_t SPI0_DmaHandle; static dma_handle_t SPI0_DmaTxDataHandle; static dma_handle_t SPI0_DmaRxDataHandle; #if defined(__CC_ARM) || defined(__ARMCC_VERSION) ARMCC_SECTION("spi0_dma_driver_state") static cmsis_spi_dma_driver_state_t SPI0_DMADriverState = { #else static cmsis_spi_dma_driver_state_t SPI0_DMADriverState = { #endif &SPI0_Resource, &SPI0_DMAResource, &SPI0_DmaHandle, &SPI0_DmaTxDataHandle, &SPI0_DmaRxDataHandle, }; static int32_t SPI0_DMAInitialize(ARM_SPI_SignalEvent_t cb_event) { SPI0_InitPins(); return SPI_DMAInitialize(cb_event, &SPI0_DMADriverState); } static int32_t SPI0_DMAUninitialize(void) { SPI0_DeinitPins(); return SPI_DMAUninitialize(&SPI0_DMADriverState); } static int32_t SPI0_DMAPowerControl(ARM_POWER_STATE state) { return SPI_DMAPowerControl(state, &SPI0_DMADriverState); } static int32_t SPI0_DMASend(const void *data, uint32_t num) { return SPI_DMASend(data, num, &SPI0_DMADriverState); } static int32_t SPI0_DMAReceive(void *data, uint32_t num) { return SPI_DMAReceive(data, num, &SPI0_DMADriverState); } static int32_t SPI0_DMATransfer(const void *data_out, void *data_in, uint32_t num) { return SPI_DMATransfer(data_out, data_in, num, &SPI0_DMADriverState); } static uint32_t SPI0_DMAGetCount(void) { return SPI_DMAGetCount(&SPI0_DMADriverState); } static int32_t SPI0_DMAControl(uint32_t control, uint32_t arg) { return SPI_DMAControl(control, arg, &SPI0_DMADriverState); } static ARM_SPI_STATUS SPI0_DMAGetStatus(void) { return SPI_DMAGetStatus(&SPI0_DMADriverState); } #endif #else static cmsis_spi_handle_t SPI0_Handle; #if defined(__CC_ARM) || defined(__ARMCC_VERSION) ARMCC_SECTION("spi0_interrupt_driver_state") static cmsis_spi_interrupt_driver_state_t SPI0_InterruptDriverState = { #else static cmsis_spi_interrupt_driver_state_t SPI0_InterruptDriverState = { #endif &SPI0_Resource, &SPI0_Handle, }; static int32_t SPI0_InterruptInitialize(ARM_SPI_SignalEvent_t cb_event) { SPI0_InitPins(); return SPI_InterruptInitialize(cb_event, &SPI0_InterruptDriverState); } static int32_t SPI0_InterruptUninitialize(void) { SPI0_DeinitPins(); return SPI_InterruptUninitialize(&SPI0_InterruptDriverState); } static int32_t SPI0_InterruptPowerControl(ARM_POWER_STATE state) { return SPI_InterruptPowerControl(state, &SPI0_InterruptDriverState); } static int32_t SPI0_InterruptSend(const void *data, uint32_t num) { return SPI_InterruptSend(data, num, &SPI0_InterruptDriverState); } static int32_t SPI0_InterruptReceive(void *data, uint32_t num) { return SPI_InterruptReceive(data, num, &SPI0_InterruptDriverState); } static int32_t SPI0_InterruptTransfer(const void *data_out, void *data_in, uint32_t num) { return SPI_InterruptTransfer(data_out, data_in, num, &SPI0_InterruptDriverState); } static uint32_t SPI0_InterruptGetCount(void) { return SPI_InterruptGetCount(&SPI0_InterruptDriverState); } static int32_t SPI0_InterruptControl(uint32_t control, uint32_t arg) { return SPI_InterruptControl(control, arg, &SPI0_InterruptDriverState); } static ARM_SPI_STATUS SPI0_InterruptGetStatus(void) { return SPI_InterruptGetStatus(&SPI0_InterruptDriverState); } #endif ARM_DRIVER_SPI Driver_SPI0 = {SPIx_GetVersion, SPIx_GetCapabilities, #if RTE_SPI0_DMA_EN SPI0_DMAInitialize, SPI0_DMAUninitialize, SPI0_DMAPowerControl, SPI0_DMASend, SPI0_DMAReceive, SPI0_DMATransfer, SPI0_DMAGetCount, SPI0_DMAControl, SPI0_DMAGetStatus #else SPI0_InterruptInitialize, SPI0_InterruptUninitialize, SPI0_InterruptPowerControl, SPI0_InterruptSend, SPI0_InterruptReceive, SPI0_InterruptTransfer, SPI0_InterruptGetCount, SPI0_InterruptControl, SPI0_InterruptGetStatus #endif }; #endif /* SPI0 */ #if defined(SPI1) && RTE_SPI1 /* User needs to provide the implementation for SPI1_GetFreq/InitPins/DeinitPins in the application for enabling according instance. */ extern uint32_t SPI1_GetFreq(void); extern void SPI1_InitPins(void); extern void SPI1_DeinitPins(void); cmsis_spi_resource_t SPI1_Resource = {SPI1, 1, SPI1_GetFreq}; #if RTE_SPI1_DMA_EN #if (defined(FSL_FEATURE_SOC_DMA_COUNT) && FSL_FEATURE_SOC_DMA_COUNT) cmsis_spi_dma_resource_t SPI1_DMAResource = {RTE_SPI1_DMA_TX_DMA_BASE, RTE_SPI1_DMA_TX_CH, RTE_SPI1_DMA_RX_DMA_BASE, RTE_SPI1_DMA_RX_CH}; static cmsis_spi_dma_handle_t SPI1_DmaHandle; static dma_handle_t SPI1_DmaTxDataHandle; static dma_handle_t SPI1_DmaRxDataHandle; #if defined(__CC_ARM) || defined(__ARMCC_VERSION) ARMCC_SECTION("spi1_dma_driver_state") static cmsis_spi_dma_driver_state_t SPI1_DMADriverState = { #else static cmsis_spi_dma_driver_state_t SPI1_DMADriverState = { #endif &SPI1_Resource, &SPI1_DMAResource, &SPI1_DmaHandle, &SPI1_DmaRxDataHandle, &SPI1_DmaTxDataHandle, }; static int32_t SPI1_DMAInitialize(ARM_SPI_SignalEvent_t cb_event) { SPI1_InitPins(); return SPI_DMAInitialize(cb_event, &SPI1_DMADriverState); } static int32_t SPI1_DMAUninitialize(void) { SPI1_DeinitPins(); return SPI_DMAUninitialize(&SPI1_DMADriverState); } static int32_t SPI1_DMAPowerControl(ARM_POWER_STATE state) { return SPI_DMAPowerControl(state, &SPI1_DMADriverState); } static int32_t SPI1_DMASend(const void *data, uint32_t num) { return SPI_DMASend(data, num, &SPI1_DMADriverState); } static int32_t SPI1_DMAReceive(void *data, uint32_t num) { return SPI_DMAReceive(data, num, &SPI1_DMADriverState); } static int32_t SPI1_DMATransfer(const void *data_out, void *data_in, uint32_t num) { return SPI_DMATransfer(data_out, data_in, num, &SPI1_DMADriverState); } static uint32_t SPI1_DMAGetCount(void) { return SPI_DMAGetCount(&SPI1_DMADriverState); } static int32_t SPI1_DMAControl(uint32_t control, uint32_t arg) { return SPI_DMAControl(control, arg, &SPI1_DMADriverState); } static ARM_SPI_STATUS SPI1_DMAGetStatus(void) { return SPI_DMAGetStatus(&SPI1_DMADriverState); } #endif #else static cmsis_spi_handle_t SPI1_Handle; #if defined(__CC_ARM) || defined(__ARMCC_VERSION) ARMCC_SECTION("spi1_interrupt_driver_state") static cmsis_spi_interrupt_driver_state_t SPI1_InterruptDriverState = { #else static cmsis_spi_interrupt_driver_state_t SPI1_InterruptDriverState = { #endif &SPI1_Resource, &SPI1_Handle, }; static int32_t SPI1_InterruptInitialize(ARM_SPI_SignalEvent_t cb_event) { SPI1_InitPins(); return SPI_InterruptInitialize(cb_event, &SPI1_InterruptDriverState); } static int32_t SPI1_InterruptUninitialize(void) { SPI1_DeinitPins(); return SPI_InterruptUninitialize(&SPI1_InterruptDriverState); } static int32_t SPI1_InterruptPowerControl(ARM_POWER_STATE state) { return SPI_InterruptPowerControl(state, &SPI1_InterruptDriverState); } static int32_t SPI1_InterruptSend(const void *data, uint32_t num) { return SPI_InterruptSend(data, num, &SPI1_InterruptDriverState); } static int32_t SPI1_InterruptReceive(void *data, uint32_t num) { return SPI_InterruptReceive(data, num, &SPI1_InterruptDriverState); } static int32_t SPI1_InterruptTransfer(const void *data_out, void *data_in, uint32_t num) { return SPI_InterruptTransfer(data_out, data_in, num, &SPI1_InterruptDriverState); } static uint32_t SPI1_InterruptGetCount(void) { return SPI_InterruptGetCount(&SPI1_InterruptDriverState); } static int32_t SPI1_InterruptControl(uint32_t control, uint32_t arg) { return SPI_InterruptControl(control, arg, &SPI1_InterruptDriverState); } static ARM_SPI_STATUS SPI1_InterruptGetStatus(void) { return SPI_InterruptGetStatus(&SPI1_InterruptDriverState); } #endif ARM_DRIVER_SPI Driver_SPI1 = {SPIx_GetVersion, SPIx_GetCapabilities, #if RTE_SPI1_DMA_EN SPI1_DMAInitialize, SPI1_DMAUninitialize, SPI1_DMAPowerControl, SPI1_DMASend, SPI1_DMAReceive, SPI1_DMATransfer, SPI1_DMAGetCount, SPI1_DMAControl, SPI1_DMAGetStatus #else SPI1_InterruptInitialize, SPI1_InterruptUninitialize, SPI1_InterruptPowerControl, SPI1_InterruptSend, SPI1_InterruptReceive, SPI1_InterruptTransfer, SPI1_InterruptGetCount, SPI1_InterruptControl, SPI1_InterruptGetStatus #endif }; #endif /* SPI1 */