The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
Parent:
171:3a7713b1edbc
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 171:3a7713b1edbc 1 /*
AnnaBridge 171:3a7713b1edbc 2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
AnnaBridge 171:3a7713b1edbc 3 * Copyright 2016-2017 NXP
AnnaBridge 171:3a7713b1edbc 4 *
AnnaBridge 171:3a7713b1edbc 5 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 171:3a7713b1edbc 6 * are permitted provided that the following conditions are met:
AnnaBridge 171:3a7713b1edbc 7 *
AnnaBridge 171:3a7713b1edbc 8 * o Redistributions of source code must retain the above copyright notice, this list
AnnaBridge 171:3a7713b1edbc 9 * of conditions and the following disclaimer.
AnnaBridge 171:3a7713b1edbc 10 *
AnnaBridge 171:3a7713b1edbc 11 * o Redistributions in binary form must reproduce the above copyright notice, this
AnnaBridge 171:3a7713b1edbc 12 * list of conditions and the following disclaimer in the documentation and/or
AnnaBridge 171:3a7713b1edbc 13 * other materials provided with the distribution.
AnnaBridge 171:3a7713b1edbc 14 *
AnnaBridge 171:3a7713b1edbc 15 * o Neither the name of the copyright holder nor the names of its
AnnaBridge 171:3a7713b1edbc 16 * contributors may be used to endorse or promote products derived from this
AnnaBridge 171:3a7713b1edbc 17 * software without specific prior written permission.
AnnaBridge 171:3a7713b1edbc 18 *
AnnaBridge 171:3a7713b1edbc 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
AnnaBridge 171:3a7713b1edbc 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
AnnaBridge 171:3a7713b1edbc 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 171:3a7713b1edbc 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
AnnaBridge 171:3a7713b1edbc 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
AnnaBridge 171:3a7713b1edbc 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
AnnaBridge 171:3a7713b1edbc 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
AnnaBridge 171:3a7713b1edbc 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
AnnaBridge 171:3a7713b1edbc 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
AnnaBridge 171:3a7713b1edbc 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 171:3a7713b1edbc 29 */
AnnaBridge 171:3a7713b1edbc 30 #ifndef _FSL_DSPI_H_
AnnaBridge 171:3a7713b1edbc 31 #define _FSL_DSPI_H_
AnnaBridge 171:3a7713b1edbc 32
AnnaBridge 171:3a7713b1edbc 33 #include "fsl_common.h"
AnnaBridge 171:3a7713b1edbc 34
AnnaBridge 171:3a7713b1edbc 35 /*!
AnnaBridge 171:3a7713b1edbc 36 * @addtogroup dspi_driver
AnnaBridge 171:3a7713b1edbc 37 * @{
AnnaBridge 171:3a7713b1edbc 38 */
AnnaBridge 171:3a7713b1edbc 39
AnnaBridge 171:3a7713b1edbc 40 /**********************************************************************************************************************
AnnaBridge 171:3a7713b1edbc 41 * Definitions
AnnaBridge 171:3a7713b1edbc 42 *********************************************************************************************************************/
AnnaBridge 171:3a7713b1edbc 43
AnnaBridge 171:3a7713b1edbc 44 /*! @name Driver version */
AnnaBridge 171:3a7713b1edbc 45 /*@{*/
AnnaBridge 171:3a7713b1edbc 46 /*! @brief DSPI driver version 2.2.0. */
AnnaBridge 171:3a7713b1edbc 47 #define FSL_DSPI_DRIVER_VERSION (MAKE_VERSION(2, 2, 0))
AnnaBridge 171:3a7713b1edbc 48 /*@}*/
AnnaBridge 171:3a7713b1edbc 49
AnnaBridge 171:3a7713b1edbc 50 #ifndef DSPI_DUMMY_DATA
AnnaBridge 171:3a7713b1edbc 51 /*! @brief DSPI dummy data if there is no Tx data.*/
AnnaBridge 171:3a7713b1edbc 52 #define DSPI_DUMMY_DATA (0x00U) /*!< Dummy data used for Tx if there is no txData. */
AnnaBridge 171:3a7713b1edbc 53 #endif
AnnaBridge 171:3a7713b1edbc 54
AnnaBridge 171:3a7713b1edbc 55 /*! @brief Status for the DSPI driver.*/
AnnaBridge 171:3a7713b1edbc 56 enum _dspi_status
AnnaBridge 171:3a7713b1edbc 57 {
AnnaBridge 171:3a7713b1edbc 58 kStatus_DSPI_Busy = MAKE_STATUS(kStatusGroup_DSPI, 0), /*!< DSPI transfer is busy.*/
AnnaBridge 171:3a7713b1edbc 59 kStatus_DSPI_Error = MAKE_STATUS(kStatusGroup_DSPI, 1), /*!< DSPI driver error. */
AnnaBridge 171:3a7713b1edbc 60 kStatus_DSPI_Idle = MAKE_STATUS(kStatusGroup_DSPI, 2), /*!< DSPI is idle.*/
AnnaBridge 171:3a7713b1edbc 61 kStatus_DSPI_OutOfRange = MAKE_STATUS(kStatusGroup_DSPI, 3) /*!< DSPI transfer out of range. */
AnnaBridge 171:3a7713b1edbc 62 };
AnnaBridge 171:3a7713b1edbc 63
AnnaBridge 171:3a7713b1edbc 64 /*! @brief DSPI status flags in SPIx_SR register.*/
AnnaBridge 171:3a7713b1edbc 65 enum _dspi_flags
AnnaBridge 171:3a7713b1edbc 66 {
AnnaBridge 171:3a7713b1edbc 67 kDSPI_TxCompleteFlag = SPI_SR_TCF_MASK, /*!< Transfer Complete Flag. */
AnnaBridge 171:3a7713b1edbc 68 kDSPI_EndOfQueueFlag = SPI_SR_EOQF_MASK, /*!< End of Queue Flag.*/
AnnaBridge 171:3a7713b1edbc 69 kDSPI_TxFifoUnderflowFlag = SPI_SR_TFUF_MASK, /*!< Transmit FIFO Underflow Flag.*/
AnnaBridge 171:3a7713b1edbc 70 kDSPI_TxFifoFillRequestFlag = SPI_SR_TFFF_MASK, /*!< Transmit FIFO Fill Flag.*/
AnnaBridge 171:3a7713b1edbc 71 kDSPI_RxFifoOverflowFlag = SPI_SR_RFOF_MASK, /*!< Receive FIFO Overflow Flag.*/
AnnaBridge 171:3a7713b1edbc 72 kDSPI_RxFifoDrainRequestFlag = SPI_SR_RFDF_MASK, /*!< Receive FIFO Drain Flag.*/
AnnaBridge 171:3a7713b1edbc 73 kDSPI_TxAndRxStatusFlag = SPI_SR_TXRXS_MASK, /*!< The module is in Stopped/Running state.*/
AnnaBridge 171:3a7713b1edbc 74 kDSPI_AllStatusFlag = SPI_SR_TCF_MASK | SPI_SR_EOQF_MASK | SPI_SR_TFUF_MASK | SPI_SR_TFFF_MASK | SPI_SR_RFOF_MASK |
AnnaBridge 171:3a7713b1edbc 75 SPI_SR_RFDF_MASK | SPI_SR_TXRXS_MASK /*!< All statuses above.*/
AnnaBridge 171:3a7713b1edbc 76 };
AnnaBridge 171:3a7713b1edbc 77
AnnaBridge 171:3a7713b1edbc 78 /*! @brief DSPI interrupt source.*/
AnnaBridge 171:3a7713b1edbc 79 enum _dspi_interrupt_enable
AnnaBridge 171:3a7713b1edbc 80 {
AnnaBridge 171:3a7713b1edbc 81 kDSPI_TxCompleteInterruptEnable = SPI_RSER_TCF_RE_MASK, /*!< TCF interrupt enable.*/
AnnaBridge 171:3a7713b1edbc 82 kDSPI_EndOfQueueInterruptEnable = SPI_RSER_EOQF_RE_MASK, /*!< EOQF interrupt enable.*/
AnnaBridge 171:3a7713b1edbc 83 kDSPI_TxFifoUnderflowInterruptEnable = SPI_RSER_TFUF_RE_MASK, /*!< TFUF interrupt enable.*/
AnnaBridge 171:3a7713b1edbc 84 kDSPI_TxFifoFillRequestInterruptEnable = SPI_RSER_TFFF_RE_MASK, /*!< TFFF interrupt enable, DMA disable.*/
AnnaBridge 171:3a7713b1edbc 85 kDSPI_RxFifoOverflowInterruptEnable = SPI_RSER_RFOF_RE_MASK, /*!< RFOF interrupt enable.*/
AnnaBridge 171:3a7713b1edbc 86 kDSPI_RxFifoDrainRequestInterruptEnable = SPI_RSER_RFDF_RE_MASK, /*!< RFDF interrupt enable, DMA disable.*/
AnnaBridge 171:3a7713b1edbc 87 kDSPI_AllInterruptEnable = SPI_RSER_TCF_RE_MASK | SPI_RSER_EOQF_RE_MASK | SPI_RSER_TFUF_RE_MASK |
AnnaBridge 171:3a7713b1edbc 88 SPI_RSER_TFFF_RE_MASK | SPI_RSER_RFOF_RE_MASK | SPI_RSER_RFDF_RE_MASK
AnnaBridge 171:3a7713b1edbc 89 /*!< All above interrupts enable.*/
AnnaBridge 171:3a7713b1edbc 90 };
AnnaBridge 171:3a7713b1edbc 91
AnnaBridge 171:3a7713b1edbc 92 /*! @brief DSPI DMA source.*/
AnnaBridge 171:3a7713b1edbc 93 enum _dspi_dma_enable
AnnaBridge 171:3a7713b1edbc 94 {
AnnaBridge 171:3a7713b1edbc 95 kDSPI_TxDmaEnable = (SPI_RSER_TFFF_RE_MASK | SPI_RSER_TFFF_DIRS_MASK), /*!< TFFF flag generates DMA requests.
AnnaBridge 171:3a7713b1edbc 96 No Tx interrupt request. */
AnnaBridge 171:3a7713b1edbc 97 kDSPI_RxDmaEnable = (SPI_RSER_RFDF_RE_MASK | SPI_RSER_RFDF_DIRS_MASK) /*!< RFDF flag generates DMA requests.
AnnaBridge 171:3a7713b1edbc 98 No Rx interrupt request. */
AnnaBridge 171:3a7713b1edbc 99 };
AnnaBridge 171:3a7713b1edbc 100
AnnaBridge 171:3a7713b1edbc 101 /*! @brief DSPI master or slave mode configuration.*/
AnnaBridge 171:3a7713b1edbc 102 typedef enum _dspi_master_slave_mode
AnnaBridge 171:3a7713b1edbc 103 {
AnnaBridge 171:3a7713b1edbc 104 kDSPI_Master = 1U, /*!< DSPI peripheral operates in master mode.*/
AnnaBridge 171:3a7713b1edbc 105 kDSPI_Slave = 0U /*!< DSPI peripheral operates in slave mode.*/
AnnaBridge 171:3a7713b1edbc 106 } dspi_master_slave_mode_t;
AnnaBridge 171:3a7713b1edbc 107
AnnaBridge 171:3a7713b1edbc 108 /*!
AnnaBridge 171:3a7713b1edbc 109 * @brief DSPI Sample Point: Controls when the DSPI master samples SIN in the Modified Transfer Format. This field is
AnnaBridge 171:3a7713b1edbc 110 * valid
AnnaBridge 171:3a7713b1edbc 111 * only when the CPHA bit in the CTAR register is 0.
AnnaBridge 171:3a7713b1edbc 112 */
AnnaBridge 171:3a7713b1edbc 113 typedef enum _dspi_master_sample_point
AnnaBridge 171:3a7713b1edbc 114 {
AnnaBridge 171:3a7713b1edbc 115 kDSPI_SckToSin0Clock = 0U, /*!< 0 system clocks between SCK edge and SIN sample.*/
AnnaBridge 171:3a7713b1edbc 116 kDSPI_SckToSin1Clock = 1U, /*!< 1 system clock between SCK edge and SIN sample.*/
AnnaBridge 171:3a7713b1edbc 117 kDSPI_SckToSin2Clock = 2U /*!< 2 system clocks between SCK edge and SIN sample.*/
AnnaBridge 171:3a7713b1edbc 118 } dspi_master_sample_point_t;
AnnaBridge 171:3a7713b1edbc 119
AnnaBridge 171:3a7713b1edbc 120 /*! @brief DSPI Peripheral Chip Select (Pcs) configuration (which Pcs to configure).*/
AnnaBridge 171:3a7713b1edbc 121 typedef enum _dspi_which_pcs_config
AnnaBridge 171:3a7713b1edbc 122 {
AnnaBridge 171:3a7713b1edbc 123 kDSPI_Pcs0 = 1U << 0, /*!< Pcs[0] */
AnnaBridge 171:3a7713b1edbc 124 kDSPI_Pcs1 = 1U << 1, /*!< Pcs[1] */
AnnaBridge 171:3a7713b1edbc 125 kDSPI_Pcs2 = 1U << 2, /*!< Pcs[2] */
AnnaBridge 171:3a7713b1edbc 126 kDSPI_Pcs3 = 1U << 3, /*!< Pcs[3] */
AnnaBridge 171:3a7713b1edbc 127 kDSPI_Pcs4 = 1U << 4, /*!< Pcs[4] */
AnnaBridge 171:3a7713b1edbc 128 kDSPI_Pcs5 = 1U << 5 /*!< Pcs[5] */
AnnaBridge 171:3a7713b1edbc 129 } dspi_which_pcs_t;
AnnaBridge 171:3a7713b1edbc 130
AnnaBridge 171:3a7713b1edbc 131 /*! @brief DSPI Peripheral Chip Select (Pcs) Polarity configuration.*/
AnnaBridge 171:3a7713b1edbc 132 typedef enum _dspi_pcs_polarity_config
AnnaBridge 171:3a7713b1edbc 133 {
AnnaBridge 171:3a7713b1edbc 134 kDSPI_PcsActiveHigh = 0U, /*!< Pcs Active High (idles low). */
AnnaBridge 171:3a7713b1edbc 135 kDSPI_PcsActiveLow = 1U /*!< Pcs Active Low (idles high). */
AnnaBridge 171:3a7713b1edbc 136 } dspi_pcs_polarity_config_t;
AnnaBridge 171:3a7713b1edbc 137
AnnaBridge 171:3a7713b1edbc 138 /*! @brief DSPI Peripheral Chip Select (Pcs) Polarity.*/
AnnaBridge 171:3a7713b1edbc 139 enum _dspi_pcs_polarity
AnnaBridge 171:3a7713b1edbc 140 {
AnnaBridge 171:3a7713b1edbc 141 kDSPI_Pcs0ActiveLow = 1U << 0, /*!< Pcs0 Active Low (idles high). */
AnnaBridge 171:3a7713b1edbc 142 kDSPI_Pcs1ActiveLow = 1U << 1, /*!< Pcs1 Active Low (idles high). */
AnnaBridge 171:3a7713b1edbc 143 kDSPI_Pcs2ActiveLow = 1U << 2, /*!< Pcs2 Active Low (idles high). */
AnnaBridge 171:3a7713b1edbc 144 kDSPI_Pcs3ActiveLow = 1U << 3, /*!< Pcs3 Active Low (idles high). */
AnnaBridge 171:3a7713b1edbc 145 kDSPI_Pcs4ActiveLow = 1U << 4, /*!< Pcs4 Active Low (idles high). */
AnnaBridge 171:3a7713b1edbc 146 kDSPI_Pcs5ActiveLow = 1U << 5, /*!< Pcs5 Active Low (idles high). */
AnnaBridge 171:3a7713b1edbc 147 kDSPI_PcsAllActiveLow = 0xFFU /*!< Pcs0 to Pcs5 Active Low (idles high). */
AnnaBridge 171:3a7713b1edbc 148 };
AnnaBridge 171:3a7713b1edbc 149
AnnaBridge 171:3a7713b1edbc 150 /*! @brief DSPI clock polarity configuration for a given CTAR.*/
AnnaBridge 171:3a7713b1edbc 151 typedef enum _dspi_clock_polarity
AnnaBridge 171:3a7713b1edbc 152 {
AnnaBridge 171:3a7713b1edbc 153 kDSPI_ClockPolarityActiveHigh = 0U, /*!< CPOL=0. Active-high DSPI clock (idles low).*/
AnnaBridge 171:3a7713b1edbc 154 kDSPI_ClockPolarityActiveLow = 1U /*!< CPOL=1. Active-low DSPI clock (idles high).*/
AnnaBridge 171:3a7713b1edbc 155 } dspi_clock_polarity_t;
AnnaBridge 171:3a7713b1edbc 156
AnnaBridge 171:3a7713b1edbc 157 /*! @brief DSPI clock phase configuration for a given CTAR.*/
AnnaBridge 171:3a7713b1edbc 158 typedef enum _dspi_clock_phase
AnnaBridge 171:3a7713b1edbc 159 {
AnnaBridge 171:3a7713b1edbc 160 kDSPI_ClockPhaseFirstEdge = 0U, /*!< CPHA=0. Data is captured on the leading edge of the SCK and changed on the
AnnaBridge 171:3a7713b1edbc 161 following edge.*/
AnnaBridge 171:3a7713b1edbc 162 kDSPI_ClockPhaseSecondEdge = 1U /*!< CPHA=1. Data is changed on the leading edge of the SCK and captured on the
AnnaBridge 171:3a7713b1edbc 163 following edge.*/
AnnaBridge 171:3a7713b1edbc 164 } dspi_clock_phase_t;
AnnaBridge 171:3a7713b1edbc 165
AnnaBridge 171:3a7713b1edbc 166 /*! @brief DSPI data shifter direction options for a given CTAR.*/
AnnaBridge 171:3a7713b1edbc 167 typedef enum _dspi_shift_direction
AnnaBridge 171:3a7713b1edbc 168 {
AnnaBridge 171:3a7713b1edbc 169 kDSPI_MsbFirst = 0U, /*!< Data transfers start with most significant bit.*/
AnnaBridge 171:3a7713b1edbc 170 kDSPI_LsbFirst = 1U /*!< Data transfers start with least significant bit.
AnnaBridge 171:3a7713b1edbc 171 Shifting out of LSB is not supported for slave */
AnnaBridge 171:3a7713b1edbc 172 } dspi_shift_direction_t;
AnnaBridge 171:3a7713b1edbc 173
AnnaBridge 171:3a7713b1edbc 174 /*! @brief DSPI delay type selection.*/
AnnaBridge 171:3a7713b1edbc 175 typedef enum _dspi_delay_type
AnnaBridge 171:3a7713b1edbc 176 {
AnnaBridge 171:3a7713b1edbc 177 kDSPI_PcsToSck = 1U, /*!< Pcs-to-SCK delay. */
AnnaBridge 171:3a7713b1edbc 178 kDSPI_LastSckToPcs, /*!< The last SCK edge to Pcs delay. */
AnnaBridge 171:3a7713b1edbc 179 kDSPI_BetweenTransfer /*!< Delay between transfers. */
AnnaBridge 171:3a7713b1edbc 180 } dspi_delay_type_t;
AnnaBridge 171:3a7713b1edbc 181
AnnaBridge 171:3a7713b1edbc 182 /*! @brief DSPI Clock and Transfer Attributes Register (CTAR) selection.*/
AnnaBridge 171:3a7713b1edbc 183 typedef enum _dspi_ctar_selection
AnnaBridge 171:3a7713b1edbc 184 {
AnnaBridge 171:3a7713b1edbc 185 kDSPI_Ctar0 = 0U, /*!< CTAR0 selection option for master or slave mode; note that CTAR0 and CTAR0_SLAVE are the
AnnaBridge 171:3a7713b1edbc 186 same register address. */
AnnaBridge 171:3a7713b1edbc 187 kDSPI_Ctar1 = 1U, /*!< CTAR1 selection option for master mode only. */
AnnaBridge 171:3a7713b1edbc 188 kDSPI_Ctar2 = 2U, /*!< CTAR2 selection option for master mode only; note that some devices do not support CTAR2. */
AnnaBridge 171:3a7713b1edbc 189 kDSPI_Ctar3 = 3U, /*!< CTAR3 selection option for master mode only; note that some devices do not support CTAR3. */
AnnaBridge 171:3a7713b1edbc 190 kDSPI_Ctar4 = 4U, /*!< CTAR4 selection option for master mode only; note that some devices do not support CTAR4. */
AnnaBridge 171:3a7713b1edbc 191 kDSPI_Ctar5 = 5U, /*!< CTAR5 selection option for master mode only; note that some devices do not support CTAR5. */
AnnaBridge 171:3a7713b1edbc 192 kDSPI_Ctar6 = 6U, /*!< CTAR6 selection option for master mode only; note that some devices do not support CTAR6. */
AnnaBridge 171:3a7713b1edbc 193 kDSPI_Ctar7 = 7U /*!< CTAR7 selection option for master mode only; note that some devices do not support CTAR7. */
AnnaBridge 171:3a7713b1edbc 194 } dspi_ctar_selection_t;
AnnaBridge 171:3a7713b1edbc 195
AnnaBridge 171:3a7713b1edbc 196 #define DSPI_MASTER_CTAR_SHIFT (0U) /*!< DSPI master CTAR shift macro; used internally. */
AnnaBridge 171:3a7713b1edbc 197 #define DSPI_MASTER_CTAR_MASK (0x0FU) /*!< DSPI master CTAR mask macro; used internally. */
AnnaBridge 171:3a7713b1edbc 198 #define DSPI_MASTER_PCS_SHIFT (4U) /*!< DSPI master PCS shift macro; used internally. */
AnnaBridge 171:3a7713b1edbc 199 #define DSPI_MASTER_PCS_MASK (0xF0U) /*!< DSPI master PCS mask macro; used internally. */
AnnaBridge 171:3a7713b1edbc 200 /*! @brief Use this enumeration for the DSPI master transfer configFlags. */
AnnaBridge 171:3a7713b1edbc 201 enum _dspi_transfer_config_flag_for_master
AnnaBridge 171:3a7713b1edbc 202 {
AnnaBridge 171:3a7713b1edbc 203 kDSPI_MasterCtar0 = 0U << DSPI_MASTER_CTAR_SHIFT, /*!< DSPI master transfer use CTAR0 setting. */
AnnaBridge 171:3a7713b1edbc 204 kDSPI_MasterCtar1 = 1U << DSPI_MASTER_CTAR_SHIFT, /*!< DSPI master transfer use CTAR1 setting. */
AnnaBridge 171:3a7713b1edbc 205 kDSPI_MasterCtar2 = 2U << DSPI_MASTER_CTAR_SHIFT, /*!< DSPI master transfer use CTAR2 setting. */
AnnaBridge 171:3a7713b1edbc 206 kDSPI_MasterCtar3 = 3U << DSPI_MASTER_CTAR_SHIFT, /*!< DSPI master transfer use CTAR3 setting. */
AnnaBridge 171:3a7713b1edbc 207 kDSPI_MasterCtar4 = 4U << DSPI_MASTER_CTAR_SHIFT, /*!< DSPI master transfer use CTAR4 setting. */
AnnaBridge 171:3a7713b1edbc 208 kDSPI_MasterCtar5 = 5U << DSPI_MASTER_CTAR_SHIFT, /*!< DSPI master transfer use CTAR5 setting. */
AnnaBridge 171:3a7713b1edbc 209 kDSPI_MasterCtar6 = 6U << DSPI_MASTER_CTAR_SHIFT, /*!< DSPI master transfer use CTAR6 setting. */
AnnaBridge 171:3a7713b1edbc 210 kDSPI_MasterCtar7 = 7U << DSPI_MASTER_CTAR_SHIFT, /*!< DSPI master transfer use CTAR7 setting. */
AnnaBridge 171:3a7713b1edbc 211
AnnaBridge 171:3a7713b1edbc 212 kDSPI_MasterPcs0 = 0U << DSPI_MASTER_PCS_SHIFT, /*!< DSPI master transfer use PCS0 signal. */
AnnaBridge 171:3a7713b1edbc 213 kDSPI_MasterPcs1 = 1U << DSPI_MASTER_PCS_SHIFT, /*!< DSPI master transfer use PCS1 signal. */
AnnaBridge 171:3a7713b1edbc 214 kDSPI_MasterPcs2 = 2U << DSPI_MASTER_PCS_SHIFT, /*!< DSPI master transfer use PCS2 signal.*/
AnnaBridge 171:3a7713b1edbc 215 kDSPI_MasterPcs3 = 3U << DSPI_MASTER_PCS_SHIFT, /*!< DSPI master transfer use PCS3 signal. */
AnnaBridge 171:3a7713b1edbc 216 kDSPI_MasterPcs4 = 4U << DSPI_MASTER_PCS_SHIFT, /*!< DSPI master transfer use PCS4 signal. */
AnnaBridge 171:3a7713b1edbc 217 kDSPI_MasterPcs5 = 5U << DSPI_MASTER_PCS_SHIFT, /*!< DSPI master transfer use PCS5 signal. */
AnnaBridge 171:3a7713b1edbc 218
AnnaBridge 171:3a7713b1edbc 219 kDSPI_MasterPcsContinuous = 1U << 20, /*!< Indicates whether the PCS signal is continuous. */
AnnaBridge 171:3a7713b1edbc 220 kDSPI_MasterActiveAfterTransfer =
AnnaBridge 171:3a7713b1edbc 221 1U << 21, /*!< Indicates whether the PCS signal is active after the last frame transfer.*/
AnnaBridge 171:3a7713b1edbc 222 };
AnnaBridge 171:3a7713b1edbc 223
AnnaBridge 171:3a7713b1edbc 224 #define DSPI_SLAVE_CTAR_SHIFT (0U) /*!< DSPI slave CTAR shift macro; used internally. */
AnnaBridge 171:3a7713b1edbc 225 #define DSPI_SLAVE_CTAR_MASK (0x07U) /*!< DSPI slave CTAR mask macro; used internally. */
AnnaBridge 171:3a7713b1edbc 226 /*! @brief Use this enumeration for the DSPI slave transfer configFlags. */
AnnaBridge 171:3a7713b1edbc 227 enum _dspi_transfer_config_flag_for_slave
AnnaBridge 171:3a7713b1edbc 228 {
AnnaBridge 171:3a7713b1edbc 229 kDSPI_SlaveCtar0 = 0U << DSPI_SLAVE_CTAR_SHIFT, /*!< DSPI slave transfer use CTAR0 setting. */
AnnaBridge 171:3a7713b1edbc 230 /*!< DSPI slave can only use PCS0. */
AnnaBridge 171:3a7713b1edbc 231 };
AnnaBridge 171:3a7713b1edbc 232
AnnaBridge 171:3a7713b1edbc 233 /*! @brief DSPI transfer state, which is used for DSPI transactional API state machine. */
AnnaBridge 171:3a7713b1edbc 234 enum _dspi_transfer_state
AnnaBridge 171:3a7713b1edbc 235 {
AnnaBridge 171:3a7713b1edbc 236 kDSPI_Idle = 0x0U, /*!< Nothing in the transmitter/receiver. */
AnnaBridge 171:3a7713b1edbc 237 kDSPI_Busy, /*!< Transfer queue is not finished. */
AnnaBridge 171:3a7713b1edbc 238 kDSPI_Error /*!< Transfer error. */
AnnaBridge 171:3a7713b1edbc 239 };
AnnaBridge 171:3a7713b1edbc 240
AnnaBridge 171:3a7713b1edbc 241 /*! @brief DSPI master command date configuration used for the SPIx_PUSHR.*/
AnnaBridge 171:3a7713b1edbc 242 typedef struct _dspi_command_data_config
AnnaBridge 171:3a7713b1edbc 243 {
AnnaBridge 171:3a7713b1edbc 244 bool isPcsContinuous; /*!< Option to enable the continuous assertion of the chip select between transfers.*/
AnnaBridge 171:3a7713b1edbc 245 dspi_ctar_selection_t whichCtar; /*!< The desired Clock and Transfer Attributes
AnnaBridge 171:3a7713b1edbc 246 Register (CTAR) to use for CTAS.*/
AnnaBridge 171:3a7713b1edbc 247 dspi_which_pcs_t whichPcs; /*!< The desired PCS signal to use for the data transfer.*/
AnnaBridge 171:3a7713b1edbc 248 bool isEndOfQueue; /*!< Signals that the current transfer is the last in the queue.*/
AnnaBridge 171:3a7713b1edbc 249 bool clearTransferCount; /*!< Clears the SPI Transfer Counter (SPI_TCNT) before transmission starts.*/
AnnaBridge 171:3a7713b1edbc 250 } dspi_command_data_config_t;
AnnaBridge 171:3a7713b1edbc 251
AnnaBridge 171:3a7713b1edbc 252 /*! @brief DSPI master ctar configuration structure.*/
AnnaBridge 171:3a7713b1edbc 253 typedef struct _dspi_master_ctar_config
AnnaBridge 171:3a7713b1edbc 254 {
AnnaBridge 171:3a7713b1edbc 255 uint32_t baudRate; /*!< Baud Rate for DSPI. */
AnnaBridge 171:3a7713b1edbc 256 uint32_t bitsPerFrame; /*!< Bits per frame, minimum 4, maximum 16.*/
AnnaBridge 171:3a7713b1edbc 257 dspi_clock_polarity_t cpol; /*!< Clock polarity. */
AnnaBridge 171:3a7713b1edbc 258 dspi_clock_phase_t cpha; /*!< Clock phase. */
AnnaBridge 171:3a7713b1edbc 259 dspi_shift_direction_t direction; /*!< MSB or LSB data shift direction. */
AnnaBridge 171:3a7713b1edbc 260
AnnaBridge 171:3a7713b1edbc 261 uint32_t pcsToSckDelayInNanoSec; /*!< PCS to SCK delay time in nanoseconds; setting to 0 sets the minimum
AnnaBridge 171:3a7713b1edbc 262 delay. It also sets the boundary value if out of range.*/
AnnaBridge 171:3a7713b1edbc 263 uint32_t lastSckToPcsDelayInNanoSec; /*!< The last SCK to PCS delay time in nanoseconds; setting to 0 sets the
AnnaBridge 171:3a7713b1edbc 264 minimum delay. It also sets the boundary value if out of range.*/
AnnaBridge 171:3a7713b1edbc 265
AnnaBridge 171:3a7713b1edbc 266 uint32_t betweenTransferDelayInNanoSec; /*!< After the SCK delay time in nanoseconds; setting to 0 sets the minimum
AnnaBridge 171:3a7713b1edbc 267 delay. It also sets the boundary value if out of range.*/
AnnaBridge 171:3a7713b1edbc 268 } dspi_master_ctar_config_t;
AnnaBridge 171:3a7713b1edbc 269
AnnaBridge 171:3a7713b1edbc 270 /*! @brief DSPI master configuration structure.*/
AnnaBridge 171:3a7713b1edbc 271 typedef struct _dspi_master_config
AnnaBridge 171:3a7713b1edbc 272 {
AnnaBridge 171:3a7713b1edbc 273 dspi_ctar_selection_t whichCtar; /*!< The desired CTAR to use. */
AnnaBridge 171:3a7713b1edbc 274 dspi_master_ctar_config_t ctarConfig; /*!< Set the ctarConfig to the desired CTAR. */
AnnaBridge 171:3a7713b1edbc 275
AnnaBridge 171:3a7713b1edbc 276 dspi_which_pcs_t whichPcs; /*!< The desired Peripheral Chip Select (pcs). */
AnnaBridge 171:3a7713b1edbc 277 dspi_pcs_polarity_config_t pcsActiveHighOrLow; /*!< The desired PCS active high or low. */
AnnaBridge 171:3a7713b1edbc 278
AnnaBridge 171:3a7713b1edbc 279 bool enableContinuousSCK; /*!< CONT_SCKE, continuous SCK enable. Note that the continuous SCK is only
AnnaBridge 171:3a7713b1edbc 280 supported for CPHA = 1.*/
AnnaBridge 171:3a7713b1edbc 281 bool enableRxFifoOverWrite; /*!< ROOE, receive FIFO overflow overwrite enable. If ROOE = 0, the incoming
AnnaBridge 171:3a7713b1edbc 282 data is ignored and the data from the transfer that generated the overflow
AnnaBridge 171:3a7713b1edbc 283 is also ignored. If ROOE = 1, the incoming data is shifted to the
AnnaBridge 171:3a7713b1edbc 284 shift register. */
AnnaBridge 171:3a7713b1edbc 285
AnnaBridge 171:3a7713b1edbc 286 bool enableModifiedTimingFormat; /*!< Enables a modified transfer format to be used if true.*/
AnnaBridge 171:3a7713b1edbc 287 dspi_master_sample_point_t samplePoint; /*!< Controls when the module master samples SIN in the Modified Transfer
AnnaBridge 171:3a7713b1edbc 288 Format. It's valid only when CPHA=0. */
AnnaBridge 171:3a7713b1edbc 289 } dspi_master_config_t;
AnnaBridge 171:3a7713b1edbc 290
AnnaBridge 171:3a7713b1edbc 291 /*! @brief DSPI slave ctar configuration structure.*/
AnnaBridge 171:3a7713b1edbc 292 typedef struct _dspi_slave_ctar_config
AnnaBridge 171:3a7713b1edbc 293 {
AnnaBridge 171:3a7713b1edbc 294 uint32_t bitsPerFrame; /*!< Bits per frame, minimum 4, maximum 16.*/
AnnaBridge 171:3a7713b1edbc 295 dspi_clock_polarity_t cpol; /*!< Clock polarity. */
AnnaBridge 171:3a7713b1edbc 296 dspi_clock_phase_t cpha; /*!< Clock phase. */
AnnaBridge 171:3a7713b1edbc 297 /*!< Slave only supports MSB and does not support LSB.*/
AnnaBridge 171:3a7713b1edbc 298 } dspi_slave_ctar_config_t;
AnnaBridge 171:3a7713b1edbc 299
AnnaBridge 171:3a7713b1edbc 300 /*! @brief DSPI slave configuration structure.*/
AnnaBridge 171:3a7713b1edbc 301 typedef struct _dspi_slave_config
AnnaBridge 171:3a7713b1edbc 302 {
AnnaBridge 171:3a7713b1edbc 303 dspi_ctar_selection_t whichCtar; /*!< The desired CTAR to use. */
AnnaBridge 171:3a7713b1edbc 304 dspi_slave_ctar_config_t ctarConfig; /*!< Set the ctarConfig to the desired CTAR. */
AnnaBridge 171:3a7713b1edbc 305
AnnaBridge 171:3a7713b1edbc 306 bool enableContinuousSCK; /*!< CONT_SCKE, continuous SCK enable. Note that the continuous SCK is only
AnnaBridge 171:3a7713b1edbc 307 supported for CPHA = 1.*/
AnnaBridge 171:3a7713b1edbc 308 bool enableRxFifoOverWrite; /*!< ROOE, receive FIFO overflow overwrite enable. If ROOE = 0, the incoming
AnnaBridge 171:3a7713b1edbc 309 data is ignored and the data from the transfer that generated the overflow
AnnaBridge 171:3a7713b1edbc 310 is also ignored. If ROOE = 1, the incoming data is shifted to the
AnnaBridge 171:3a7713b1edbc 311 shift register. */
AnnaBridge 171:3a7713b1edbc 312 bool enableModifiedTimingFormat; /*!< Enables a modified transfer format to be used if true.*/
AnnaBridge 171:3a7713b1edbc 313 dspi_master_sample_point_t samplePoint; /*!< Controls when the module master samples SIN in the Modified Transfer
AnnaBridge 171:3a7713b1edbc 314 Format. It's valid only when CPHA=0. */
AnnaBridge 171:3a7713b1edbc 315 } dspi_slave_config_t;
AnnaBridge 171:3a7713b1edbc 316
AnnaBridge 171:3a7713b1edbc 317 /*!
AnnaBridge 171:3a7713b1edbc 318 * @brief Forward declaration of the _dspi_master_handle typedefs.
AnnaBridge 171:3a7713b1edbc 319 */
AnnaBridge 171:3a7713b1edbc 320 typedef struct _dspi_master_handle dspi_master_handle_t;
AnnaBridge 171:3a7713b1edbc 321
AnnaBridge 171:3a7713b1edbc 322 /*!
AnnaBridge 171:3a7713b1edbc 323 * @brief Forward declaration of the _dspi_slave_handle typedefs.
AnnaBridge 171:3a7713b1edbc 324 */
AnnaBridge 171:3a7713b1edbc 325 typedef struct _dspi_slave_handle dspi_slave_handle_t;
AnnaBridge 171:3a7713b1edbc 326
AnnaBridge 171:3a7713b1edbc 327 /*!
AnnaBridge 171:3a7713b1edbc 328 * @brief Completion callback function pointer type.
AnnaBridge 171:3a7713b1edbc 329 *
AnnaBridge 171:3a7713b1edbc 330 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 331 * @param handle Pointer to the handle for the DSPI master.
AnnaBridge 171:3a7713b1edbc 332 * @param status Success or error code describing whether the transfer completed.
AnnaBridge 171:3a7713b1edbc 333 * @param userData Arbitrary pointer-dataSized value passed from the application.
AnnaBridge 171:3a7713b1edbc 334 */
AnnaBridge 171:3a7713b1edbc 335 typedef void (*dspi_master_transfer_callback_t)(SPI_Type *base,
AnnaBridge 171:3a7713b1edbc 336 dspi_master_handle_t *handle,
AnnaBridge 171:3a7713b1edbc 337 status_t status,
AnnaBridge 171:3a7713b1edbc 338 void *userData);
AnnaBridge 171:3a7713b1edbc 339 /*!
AnnaBridge 171:3a7713b1edbc 340 * @brief Completion callback function pointer type.
AnnaBridge 171:3a7713b1edbc 341 *
AnnaBridge 171:3a7713b1edbc 342 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 343 * @param handle Pointer to the handle for the DSPI slave.
AnnaBridge 171:3a7713b1edbc 344 * @param status Success or error code describing whether the transfer completed.
AnnaBridge 171:3a7713b1edbc 345 * @param userData Arbitrary pointer-dataSized value passed from the application.
AnnaBridge 171:3a7713b1edbc 346 */
AnnaBridge 171:3a7713b1edbc 347 typedef void (*dspi_slave_transfer_callback_t)(SPI_Type *base,
AnnaBridge 171:3a7713b1edbc 348 dspi_slave_handle_t *handle,
AnnaBridge 171:3a7713b1edbc 349 status_t status,
AnnaBridge 171:3a7713b1edbc 350 void *userData);
AnnaBridge 171:3a7713b1edbc 351
AnnaBridge 171:3a7713b1edbc 352 /*! @brief DSPI master/slave transfer structure.*/
AnnaBridge 171:3a7713b1edbc 353 typedef struct _dspi_transfer
AnnaBridge 171:3a7713b1edbc 354 {
AnnaBridge 171:3a7713b1edbc 355 uint8_t *txData; /*!< Send buffer. */
AnnaBridge 171:3a7713b1edbc 356 uint8_t *rxData; /*!< Receive buffer. */
AnnaBridge 171:3a7713b1edbc 357 volatile size_t dataSize; /*!< Transfer bytes. */
AnnaBridge 171:3a7713b1edbc 358
AnnaBridge 171:3a7713b1edbc 359 uint32_t
AnnaBridge 171:3a7713b1edbc 360 configFlags; /*!< Transfer transfer configuration flags; set from _dspi_transfer_config_flag_for_master if the
AnnaBridge 171:3a7713b1edbc 361 transfer is used for master or _dspi_transfer_config_flag_for_slave enumeration if the transfer
AnnaBridge 171:3a7713b1edbc 362 is used for slave.*/
AnnaBridge 171:3a7713b1edbc 363 } dspi_transfer_t;
AnnaBridge 171:3a7713b1edbc 364
AnnaBridge 171:3a7713b1edbc 365 /*! @brief DSPI master transfer handle structure used for transactional API. */
AnnaBridge 171:3a7713b1edbc 366 struct _dspi_master_handle
AnnaBridge 171:3a7713b1edbc 367 {
AnnaBridge 171:3a7713b1edbc 368 uint32_t bitsPerFrame; /*!< The desired number of bits per frame. */
AnnaBridge 171:3a7713b1edbc 369 volatile uint32_t command; /*!< The desired data command. */
AnnaBridge 171:3a7713b1edbc 370 volatile uint32_t lastCommand; /*!< The desired last data command. */
AnnaBridge 171:3a7713b1edbc 371
AnnaBridge 171:3a7713b1edbc 372 uint8_t fifoSize; /*!< FIFO dataSize. */
AnnaBridge 171:3a7713b1edbc 373
AnnaBridge 171:3a7713b1edbc 374 volatile bool
AnnaBridge 171:3a7713b1edbc 375 isPcsActiveAfterTransfer; /*!< Indicates whether the PCS signal is active after the last frame transfer.*/
AnnaBridge 171:3a7713b1edbc 376 volatile bool isThereExtraByte; /*!< Indicates whether there are extra bytes.*/
AnnaBridge 171:3a7713b1edbc 377
AnnaBridge 171:3a7713b1edbc 378 uint8_t *volatile txData; /*!< Send buffer. */
AnnaBridge 171:3a7713b1edbc 379 uint8_t *volatile rxData; /*!< Receive buffer. */
AnnaBridge 171:3a7713b1edbc 380 volatile size_t remainingSendByteCount; /*!< A number of bytes remaining to send.*/
AnnaBridge 171:3a7713b1edbc 381 volatile size_t remainingReceiveByteCount; /*!< A number of bytes remaining to receive.*/
AnnaBridge 171:3a7713b1edbc 382 size_t totalByteCount; /*!< A number of transfer bytes*/
AnnaBridge 171:3a7713b1edbc 383
AnnaBridge 171:3a7713b1edbc 384 volatile uint8_t state; /*!< DSPI transfer state, see _dspi_transfer_state.*/
AnnaBridge 171:3a7713b1edbc 385
AnnaBridge 171:3a7713b1edbc 386 dspi_master_transfer_callback_t callback; /*!< Completion callback. */
AnnaBridge 171:3a7713b1edbc 387 void *userData; /*!< Callback user data. */
AnnaBridge 171:3a7713b1edbc 388 };
AnnaBridge 171:3a7713b1edbc 389
AnnaBridge 171:3a7713b1edbc 390 /*! @brief DSPI slave transfer handle structure used for the transactional API. */
AnnaBridge 171:3a7713b1edbc 391 struct _dspi_slave_handle
AnnaBridge 171:3a7713b1edbc 392 {
AnnaBridge 171:3a7713b1edbc 393 uint32_t bitsPerFrame; /*!< The desired number of bits per frame. */
AnnaBridge 171:3a7713b1edbc 394 volatile bool isThereExtraByte; /*!< Indicates whether there are extra bytes.*/
AnnaBridge 171:3a7713b1edbc 395
AnnaBridge 171:3a7713b1edbc 396 uint8_t *volatile txData; /*!< Send buffer. */
AnnaBridge 171:3a7713b1edbc 397 uint8_t *volatile rxData; /*!< Receive buffer. */
AnnaBridge 171:3a7713b1edbc 398 volatile size_t remainingSendByteCount; /*!< A number of bytes remaining to send.*/
AnnaBridge 171:3a7713b1edbc 399 volatile size_t remainingReceiveByteCount; /*!< A number of bytes remaining to receive.*/
AnnaBridge 171:3a7713b1edbc 400 size_t totalByteCount; /*!< A number of transfer bytes*/
AnnaBridge 171:3a7713b1edbc 401
AnnaBridge 171:3a7713b1edbc 402 volatile uint8_t state; /*!< DSPI transfer state.*/
AnnaBridge 171:3a7713b1edbc 403
AnnaBridge 171:3a7713b1edbc 404 volatile uint32_t errorCount; /*!< Error count for slave transfer.*/
AnnaBridge 171:3a7713b1edbc 405
AnnaBridge 171:3a7713b1edbc 406 dspi_slave_transfer_callback_t callback; /*!< Completion callback. */
AnnaBridge 171:3a7713b1edbc 407 void *userData; /*!< Callback user data. */
AnnaBridge 171:3a7713b1edbc 408 };
AnnaBridge 171:3a7713b1edbc 409
AnnaBridge 171:3a7713b1edbc 410 /**********************************************************************************************************************
AnnaBridge 171:3a7713b1edbc 411 * API
AnnaBridge 171:3a7713b1edbc 412 *********************************************************************************************************************/
AnnaBridge 171:3a7713b1edbc 413 #if defined(__cplusplus)
AnnaBridge 171:3a7713b1edbc 414 extern "C" {
AnnaBridge 171:3a7713b1edbc 415 #endif /*_cplusplus*/
AnnaBridge 171:3a7713b1edbc 416
AnnaBridge 171:3a7713b1edbc 417 /*!
AnnaBridge 171:3a7713b1edbc 418 * @name Initialization and deinitialization
AnnaBridge 171:3a7713b1edbc 419 * @{
AnnaBridge 171:3a7713b1edbc 420 */
AnnaBridge 171:3a7713b1edbc 421
AnnaBridge 171:3a7713b1edbc 422 /*!
AnnaBridge 171:3a7713b1edbc 423 * @brief Initializes the DSPI master.
AnnaBridge 171:3a7713b1edbc 424 *
AnnaBridge 171:3a7713b1edbc 425 * This function initializes the DSPI master configuration. This is an example use case.
AnnaBridge 171:3a7713b1edbc 426 * @code
AnnaBridge 171:3a7713b1edbc 427 * dspi_master_config_t masterConfig;
AnnaBridge 171:3a7713b1edbc 428 * masterConfig.whichCtar = kDSPI_Ctar0;
AnnaBridge 171:3a7713b1edbc 429 * masterConfig.ctarConfig.baudRate = 500000000U;
AnnaBridge 171:3a7713b1edbc 430 * masterConfig.ctarConfig.bitsPerFrame = 8;
AnnaBridge 171:3a7713b1edbc 431 * masterConfig.ctarConfig.cpol = kDSPI_ClockPolarityActiveHigh;
AnnaBridge 171:3a7713b1edbc 432 * masterConfig.ctarConfig.cpha = kDSPI_ClockPhaseFirstEdge;
AnnaBridge 171:3a7713b1edbc 433 * masterConfig.ctarConfig.direction = kDSPI_MsbFirst;
AnnaBridge 171:3a7713b1edbc 434 * masterConfig.ctarConfig.pcsToSckDelayInNanoSec = 1000000000U / masterConfig.ctarConfig.baudRate ;
AnnaBridge 171:3a7713b1edbc 435 * masterConfig.ctarConfig.lastSckToPcsDelayInNanoSec = 1000000000U / masterConfig.ctarConfig.baudRate ;
AnnaBridge 171:3a7713b1edbc 436 * masterConfig.ctarConfig.betweenTransferDelayInNanoSec = 1000000000U / masterConfig.ctarConfig.baudRate ;
AnnaBridge 171:3a7713b1edbc 437 * masterConfig.whichPcs = kDSPI_Pcs0;
AnnaBridge 171:3a7713b1edbc 438 * masterConfig.pcsActiveHighOrLow = kDSPI_PcsActiveLow;
AnnaBridge 171:3a7713b1edbc 439 * masterConfig.enableContinuousSCK = false;
AnnaBridge 171:3a7713b1edbc 440 * masterConfig.enableRxFifoOverWrite = false;
AnnaBridge 171:3a7713b1edbc 441 * masterConfig.enableModifiedTimingFormat = false;
AnnaBridge 171:3a7713b1edbc 442 * masterConfig.samplePoint = kDSPI_SckToSin0Clock;
AnnaBridge 171:3a7713b1edbc 443 * DSPI_MasterInit(base, &masterConfig, srcClock_Hz);
AnnaBridge 171:3a7713b1edbc 444 * @endcode
AnnaBridge 171:3a7713b1edbc 445 *
AnnaBridge 171:3a7713b1edbc 446 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 447 * @param masterConfig Pointer to the structure dspi_master_config_t.
AnnaBridge 171:3a7713b1edbc 448 * @param srcClock_Hz Module source input clock in Hertz.
AnnaBridge 171:3a7713b1edbc 449 */
AnnaBridge 171:3a7713b1edbc 450 void DSPI_MasterInit(SPI_Type *base, const dspi_master_config_t *masterConfig, uint32_t srcClock_Hz);
AnnaBridge 171:3a7713b1edbc 451
AnnaBridge 171:3a7713b1edbc 452 /*!
AnnaBridge 171:3a7713b1edbc 453 * @brief Sets the dspi_master_config_t structure to default values.
AnnaBridge 171:3a7713b1edbc 454 *
AnnaBridge 171:3a7713b1edbc 455 * The purpose of this API is to get the configuration structure initialized for the DSPI_MasterInit().
AnnaBridge 171:3a7713b1edbc 456 * Users may use the initialized structure unchanged in the DSPI_MasterInit() or modify the structure
AnnaBridge 171:3a7713b1edbc 457 * before calling the DSPI_MasterInit().
AnnaBridge 171:3a7713b1edbc 458 * Example:
AnnaBridge 171:3a7713b1edbc 459 * @code
AnnaBridge 171:3a7713b1edbc 460 * dspi_master_config_t masterConfig;
AnnaBridge 171:3a7713b1edbc 461 * DSPI_MasterGetDefaultConfig(&masterConfig);
AnnaBridge 171:3a7713b1edbc 462 * @endcode
AnnaBridge 171:3a7713b1edbc 463 * @param masterConfig pointer to dspi_master_config_t structure
AnnaBridge 171:3a7713b1edbc 464 */
AnnaBridge 171:3a7713b1edbc 465 void DSPI_MasterGetDefaultConfig(dspi_master_config_t *masterConfig);
AnnaBridge 171:3a7713b1edbc 466
AnnaBridge 171:3a7713b1edbc 467 /*!
AnnaBridge 171:3a7713b1edbc 468 * @brief DSPI slave configuration.
AnnaBridge 171:3a7713b1edbc 469 *
AnnaBridge 171:3a7713b1edbc 470 * This function initializes the DSPI slave configuration. This is an example use case.
AnnaBridge 171:3a7713b1edbc 471 * @code
AnnaBridge 171:3a7713b1edbc 472 * dspi_slave_config_t slaveConfig;
AnnaBridge 171:3a7713b1edbc 473 * slaveConfig->whichCtar = kDSPI_Ctar0;
AnnaBridge 171:3a7713b1edbc 474 * slaveConfig->ctarConfig.bitsPerFrame = 8;
AnnaBridge 171:3a7713b1edbc 475 * slaveConfig->ctarConfig.cpol = kDSPI_ClockPolarityActiveHigh;
AnnaBridge 171:3a7713b1edbc 476 * slaveConfig->ctarConfig.cpha = kDSPI_ClockPhaseFirstEdge;
AnnaBridge 171:3a7713b1edbc 477 * slaveConfig->enableContinuousSCK = false;
AnnaBridge 171:3a7713b1edbc 478 * slaveConfig->enableRxFifoOverWrite = false;
AnnaBridge 171:3a7713b1edbc 479 * slaveConfig->enableModifiedTimingFormat = false;
AnnaBridge 171:3a7713b1edbc 480 * slaveConfig->samplePoint = kDSPI_SckToSin0Clock;
AnnaBridge 171:3a7713b1edbc 481 * DSPI_SlaveInit(base, &slaveConfig);
AnnaBridge 171:3a7713b1edbc 482 * @endcode
AnnaBridge 171:3a7713b1edbc 483 *
AnnaBridge 171:3a7713b1edbc 484 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 485 * @param slaveConfig Pointer to the structure dspi_master_config_t.
AnnaBridge 171:3a7713b1edbc 486 */
AnnaBridge 171:3a7713b1edbc 487 void DSPI_SlaveInit(SPI_Type *base, const dspi_slave_config_t *slaveConfig);
AnnaBridge 171:3a7713b1edbc 488
AnnaBridge 171:3a7713b1edbc 489 /*!
AnnaBridge 171:3a7713b1edbc 490 * @brief Sets the dspi_slave_config_t structure to a default value.
AnnaBridge 171:3a7713b1edbc 491 *
AnnaBridge 171:3a7713b1edbc 492 * The purpose of this API is to get the configuration structure initialized for the DSPI_SlaveInit().
AnnaBridge 171:3a7713b1edbc 493 * Users may use the initialized structure unchanged in the DSPI_SlaveInit() or modify the structure
AnnaBridge 171:3a7713b1edbc 494 * before calling the DSPI_SlaveInit().
AnnaBridge 171:3a7713b1edbc 495 * This is an example.
AnnaBridge 171:3a7713b1edbc 496 * @code
AnnaBridge 171:3a7713b1edbc 497 * dspi_slave_config_t slaveConfig;
AnnaBridge 171:3a7713b1edbc 498 * DSPI_SlaveGetDefaultConfig(&slaveConfig);
AnnaBridge 171:3a7713b1edbc 499 * @endcode
AnnaBridge 171:3a7713b1edbc 500 * @param slaveConfig Pointer to the dspi_slave_config_t structure.
AnnaBridge 171:3a7713b1edbc 501 */
AnnaBridge 171:3a7713b1edbc 502 void DSPI_SlaveGetDefaultConfig(dspi_slave_config_t *slaveConfig);
AnnaBridge 171:3a7713b1edbc 503
AnnaBridge 171:3a7713b1edbc 504 /*!
AnnaBridge 171:3a7713b1edbc 505 * @brief De-initializes the DSPI peripheral. Call this API to disable the DSPI clock.
AnnaBridge 171:3a7713b1edbc 506 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 507 */
AnnaBridge 171:3a7713b1edbc 508 void DSPI_Deinit(SPI_Type *base);
AnnaBridge 171:3a7713b1edbc 509
AnnaBridge 171:3a7713b1edbc 510 /*!
AnnaBridge 171:3a7713b1edbc 511 * @brief Enables the DSPI peripheral and sets the MCR MDIS to 0.
AnnaBridge 171:3a7713b1edbc 512 *
AnnaBridge 171:3a7713b1edbc 513 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 514 * @param enable Pass true to enable module, false to disable module.
AnnaBridge 171:3a7713b1edbc 515 */
AnnaBridge 171:3a7713b1edbc 516 static inline void DSPI_Enable(SPI_Type *base, bool enable)
AnnaBridge 171:3a7713b1edbc 517 {
AnnaBridge 171:3a7713b1edbc 518 if (enable)
AnnaBridge 171:3a7713b1edbc 519 {
AnnaBridge 171:3a7713b1edbc 520 base->MCR &= ~SPI_MCR_MDIS_MASK;
AnnaBridge 171:3a7713b1edbc 521 }
AnnaBridge 171:3a7713b1edbc 522 else
AnnaBridge 171:3a7713b1edbc 523 {
AnnaBridge 171:3a7713b1edbc 524 base->MCR |= SPI_MCR_MDIS_MASK;
AnnaBridge 171:3a7713b1edbc 525 }
AnnaBridge 171:3a7713b1edbc 526 }
AnnaBridge 171:3a7713b1edbc 527
AnnaBridge 171:3a7713b1edbc 528 /*!
AnnaBridge 171:3a7713b1edbc 529 *@}
AnnaBridge 171:3a7713b1edbc 530 */
AnnaBridge 171:3a7713b1edbc 531
AnnaBridge 171:3a7713b1edbc 532 /*!
AnnaBridge 171:3a7713b1edbc 533 * @name Status
AnnaBridge 171:3a7713b1edbc 534 * @{
AnnaBridge 171:3a7713b1edbc 535 */
AnnaBridge 171:3a7713b1edbc 536
AnnaBridge 171:3a7713b1edbc 537 /*!
AnnaBridge 171:3a7713b1edbc 538 * @brief Gets the DSPI status flag state.
AnnaBridge 171:3a7713b1edbc 539 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 540 * @return DSPI status (in SR register).
AnnaBridge 171:3a7713b1edbc 541 */
AnnaBridge 171:3a7713b1edbc 542 static inline uint32_t DSPI_GetStatusFlags(SPI_Type *base)
AnnaBridge 171:3a7713b1edbc 543 {
AnnaBridge 171:3a7713b1edbc 544 return (base->SR);
AnnaBridge 171:3a7713b1edbc 545 }
AnnaBridge 171:3a7713b1edbc 546
AnnaBridge 171:3a7713b1edbc 547 /*!
AnnaBridge 171:3a7713b1edbc 548 * @brief Clears the DSPI status flag.
AnnaBridge 171:3a7713b1edbc 549 *
AnnaBridge 171:3a7713b1edbc 550 * This function clears the desired status bit by using a write-1-to-clear. The user passes in the base and the
AnnaBridge 171:3a7713b1edbc 551 * desired status bit to clear. The list of status bits is defined in the dspi_status_and_interrupt_request_t. The
AnnaBridge 171:3a7713b1edbc 552 * function uses these bit positions in its algorithm to clear the desired flag state.
AnnaBridge 171:3a7713b1edbc 553 * This is an example.
AnnaBridge 171:3a7713b1edbc 554 * @code
AnnaBridge 171:3a7713b1edbc 555 * DSPI_ClearStatusFlags(base, kDSPI_TxCompleteFlag|kDSPI_EndOfQueueFlag);
AnnaBridge 171:3a7713b1edbc 556 * @endcode
AnnaBridge 171:3a7713b1edbc 557 *
AnnaBridge 171:3a7713b1edbc 558 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 559 * @param statusFlags The status flag used from the type dspi_flags.
AnnaBridge 171:3a7713b1edbc 560 */
AnnaBridge 171:3a7713b1edbc 561 static inline void DSPI_ClearStatusFlags(SPI_Type *base, uint32_t statusFlags)
AnnaBridge 171:3a7713b1edbc 562 {
AnnaBridge 171:3a7713b1edbc 563 base->SR = statusFlags; /*!< The status flags are cleared by writing 1 (w1c).*/
AnnaBridge 171:3a7713b1edbc 564 }
AnnaBridge 171:3a7713b1edbc 565
AnnaBridge 171:3a7713b1edbc 566 /*!
AnnaBridge 171:3a7713b1edbc 567 *@}
AnnaBridge 171:3a7713b1edbc 568 */
AnnaBridge 171:3a7713b1edbc 569
AnnaBridge 171:3a7713b1edbc 570 /*!
AnnaBridge 171:3a7713b1edbc 571 * @name Interrupts
AnnaBridge 171:3a7713b1edbc 572 * @{
AnnaBridge 171:3a7713b1edbc 573 */
AnnaBridge 171:3a7713b1edbc 574
AnnaBridge 171:3a7713b1edbc 575 /*!
AnnaBridge 171:3a7713b1edbc 576 * @brief Enables the DSPI interrupts.
AnnaBridge 171:3a7713b1edbc 577 *
AnnaBridge 171:3a7713b1edbc 578 * This function configures the various interrupt masks of the DSPI. The parameters are a base and an interrupt mask.
AnnaBridge 171:3a7713b1edbc 579 * Note, for Tx Fill and Rx FIFO drain requests, enable the interrupt request and disable the DMA request.
AnnaBridge 171:3a7713b1edbc 580 * Do not use this API(write to RSER register) while DSPI is in running state.
AnnaBridge 171:3a7713b1edbc 581 *
AnnaBridge 171:3a7713b1edbc 582 * @code
AnnaBridge 171:3a7713b1edbc 583 * DSPI_EnableInterrupts(base, kDSPI_TxCompleteInterruptEnable | kDSPI_EndOfQueueInterruptEnable );
AnnaBridge 171:3a7713b1edbc 584 * @endcode
AnnaBridge 171:3a7713b1edbc 585 *
AnnaBridge 171:3a7713b1edbc 586 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 587 * @param mask The interrupt mask; use the enum _dspi_interrupt_enable.
AnnaBridge 171:3a7713b1edbc 588 */
AnnaBridge 171:3a7713b1edbc 589 void DSPI_EnableInterrupts(SPI_Type *base, uint32_t mask);
AnnaBridge 171:3a7713b1edbc 590
AnnaBridge 171:3a7713b1edbc 591 /*!
AnnaBridge 171:3a7713b1edbc 592 * @brief Disables the DSPI interrupts.
AnnaBridge 171:3a7713b1edbc 593 *
AnnaBridge 171:3a7713b1edbc 594 * @code
AnnaBridge 171:3a7713b1edbc 595 * DSPI_DisableInterrupts(base, kDSPI_TxCompleteInterruptEnable | kDSPI_EndOfQueueInterruptEnable );
AnnaBridge 171:3a7713b1edbc 596 * @endcode
AnnaBridge 171:3a7713b1edbc 597 *
AnnaBridge 171:3a7713b1edbc 598 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 599 * @param mask The interrupt mask; use the enum _dspi_interrupt_enable.
AnnaBridge 171:3a7713b1edbc 600 */
AnnaBridge 171:3a7713b1edbc 601 static inline void DSPI_DisableInterrupts(SPI_Type *base, uint32_t mask)
AnnaBridge 171:3a7713b1edbc 602 {
AnnaBridge 171:3a7713b1edbc 603 base->RSER &= ~mask;
AnnaBridge 171:3a7713b1edbc 604 }
AnnaBridge 171:3a7713b1edbc 605
AnnaBridge 171:3a7713b1edbc 606 /*!
AnnaBridge 171:3a7713b1edbc 607 *@}
AnnaBridge 171:3a7713b1edbc 608 */
AnnaBridge 171:3a7713b1edbc 609
AnnaBridge 171:3a7713b1edbc 610 /*!
AnnaBridge 171:3a7713b1edbc 611 * @name DMA Control
AnnaBridge 171:3a7713b1edbc 612 * @{
AnnaBridge 171:3a7713b1edbc 613 */
AnnaBridge 171:3a7713b1edbc 614
AnnaBridge 171:3a7713b1edbc 615 /*!
AnnaBridge 171:3a7713b1edbc 616 * @brief Enables the DSPI DMA request.
AnnaBridge 171:3a7713b1edbc 617 *
AnnaBridge 171:3a7713b1edbc 618 * This function configures the Rx and Tx DMA mask of the DSPI. The parameters are a base and a DMA mask.
AnnaBridge 171:3a7713b1edbc 619 * @code
AnnaBridge 171:3a7713b1edbc 620 * DSPI_EnableDMA(base, kDSPI_TxDmaEnable | kDSPI_RxDmaEnable);
AnnaBridge 171:3a7713b1edbc 621 * @endcode
AnnaBridge 171:3a7713b1edbc 622 *
AnnaBridge 171:3a7713b1edbc 623 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 624 * @param mask The interrupt mask; use the enum dspi_dma_enable.
AnnaBridge 171:3a7713b1edbc 625 */
AnnaBridge 171:3a7713b1edbc 626 static inline void DSPI_EnableDMA(SPI_Type *base, uint32_t mask)
AnnaBridge 171:3a7713b1edbc 627 {
AnnaBridge 171:3a7713b1edbc 628 base->RSER |= mask;
AnnaBridge 171:3a7713b1edbc 629 }
AnnaBridge 171:3a7713b1edbc 630
AnnaBridge 171:3a7713b1edbc 631 /*!
AnnaBridge 171:3a7713b1edbc 632 * @brief Disables the DSPI DMA request.
AnnaBridge 171:3a7713b1edbc 633 *
AnnaBridge 171:3a7713b1edbc 634 * This function configures the Rx and Tx DMA mask of the DSPI. The parameters are a base and a DMA mask.
AnnaBridge 171:3a7713b1edbc 635 * @code
AnnaBridge 171:3a7713b1edbc 636 * SPI_DisableDMA(base, kDSPI_TxDmaEnable | kDSPI_RxDmaEnable);
AnnaBridge 171:3a7713b1edbc 637 * @endcode
AnnaBridge 171:3a7713b1edbc 638 *
AnnaBridge 171:3a7713b1edbc 639 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 640 * @param mask The interrupt mask; use the enum dspi_dma_enable.
AnnaBridge 171:3a7713b1edbc 641 */
AnnaBridge 171:3a7713b1edbc 642 static inline void DSPI_DisableDMA(SPI_Type *base, uint32_t mask)
AnnaBridge 171:3a7713b1edbc 643 {
AnnaBridge 171:3a7713b1edbc 644 base->RSER &= ~mask;
AnnaBridge 171:3a7713b1edbc 645 }
AnnaBridge 171:3a7713b1edbc 646
AnnaBridge 171:3a7713b1edbc 647 /*!
AnnaBridge 171:3a7713b1edbc 648 * @brief Gets the DSPI master PUSHR data register address for the DMA operation.
AnnaBridge 171:3a7713b1edbc 649 *
AnnaBridge 171:3a7713b1edbc 650 * This function gets the DSPI master PUSHR data register address because this value is needed for the DMA operation.
AnnaBridge 171:3a7713b1edbc 651 *
AnnaBridge 171:3a7713b1edbc 652 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 653 * @return The DSPI master PUSHR data register address.
AnnaBridge 171:3a7713b1edbc 654 */
AnnaBridge 171:3a7713b1edbc 655 static inline uint32_t DSPI_MasterGetTxRegisterAddress(SPI_Type *base)
AnnaBridge 171:3a7713b1edbc 656 {
AnnaBridge 171:3a7713b1edbc 657 return (uint32_t) & (base->PUSHR);
AnnaBridge 171:3a7713b1edbc 658 }
AnnaBridge 171:3a7713b1edbc 659
AnnaBridge 171:3a7713b1edbc 660 /*!
AnnaBridge 171:3a7713b1edbc 661 * @brief Gets the DSPI slave PUSHR data register address for the DMA operation.
AnnaBridge 171:3a7713b1edbc 662 *
AnnaBridge 171:3a7713b1edbc 663 * This function gets the DSPI slave PUSHR data register address as this value is needed for the DMA operation.
AnnaBridge 171:3a7713b1edbc 664 *
AnnaBridge 171:3a7713b1edbc 665 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 666 * @return The DSPI slave PUSHR data register address.
AnnaBridge 171:3a7713b1edbc 667 */
AnnaBridge 171:3a7713b1edbc 668 static inline uint32_t DSPI_SlaveGetTxRegisterAddress(SPI_Type *base)
AnnaBridge 171:3a7713b1edbc 669 {
AnnaBridge 171:3a7713b1edbc 670 return (uint32_t) & (base->PUSHR_SLAVE);
AnnaBridge 171:3a7713b1edbc 671 }
AnnaBridge 171:3a7713b1edbc 672
AnnaBridge 171:3a7713b1edbc 673 /*!
AnnaBridge 171:3a7713b1edbc 674 * @brief Gets the DSPI POPR data register address for the DMA operation.
AnnaBridge 171:3a7713b1edbc 675 *
AnnaBridge 171:3a7713b1edbc 676 * This function gets the DSPI POPR data register address as this value is needed for the DMA operation.
AnnaBridge 171:3a7713b1edbc 677 *
AnnaBridge 171:3a7713b1edbc 678 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 679 * @return The DSPI POPR data register address.
AnnaBridge 171:3a7713b1edbc 680 */
AnnaBridge 171:3a7713b1edbc 681 static inline uint32_t DSPI_GetRxRegisterAddress(SPI_Type *base)
AnnaBridge 171:3a7713b1edbc 682 {
AnnaBridge 171:3a7713b1edbc 683 return (uint32_t) & (base->POPR);
AnnaBridge 171:3a7713b1edbc 684 }
AnnaBridge 171:3a7713b1edbc 685
AnnaBridge 171:3a7713b1edbc 686 /*!
AnnaBridge 171:3a7713b1edbc 687 *@}
AnnaBridge 171:3a7713b1edbc 688 */
AnnaBridge 171:3a7713b1edbc 689
AnnaBridge 171:3a7713b1edbc 690 /*!
AnnaBridge 171:3a7713b1edbc 691 * @name Bus Operations
AnnaBridge 171:3a7713b1edbc 692 * @{
AnnaBridge 171:3a7713b1edbc 693 */
AnnaBridge 171:3a7713b1edbc 694
AnnaBridge 171:3a7713b1edbc 695 /*!
AnnaBridge 171:3a7713b1edbc 696 * @brief Configures the DSPI for master or slave.
AnnaBridge 171:3a7713b1edbc 697 *
AnnaBridge 171:3a7713b1edbc 698 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 699 * @param mode Mode setting (master or slave) of type dspi_master_slave_mode_t.
AnnaBridge 171:3a7713b1edbc 700 */
AnnaBridge 171:3a7713b1edbc 701 static inline void DSPI_SetMasterSlaveMode(SPI_Type *base, dspi_master_slave_mode_t mode)
AnnaBridge 171:3a7713b1edbc 702 {
AnnaBridge 171:3a7713b1edbc 703 base->MCR = (base->MCR & (~SPI_MCR_MSTR_MASK)) | SPI_MCR_MSTR(mode);
AnnaBridge 171:3a7713b1edbc 704 }
AnnaBridge 171:3a7713b1edbc 705
AnnaBridge 171:3a7713b1edbc 706 /*!
AnnaBridge 171:3a7713b1edbc 707 * @brief Returns whether the DSPI module is in master mode.
AnnaBridge 171:3a7713b1edbc 708 *
AnnaBridge 171:3a7713b1edbc 709 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 710 * @return Returns true if the module is in master mode or false if the module is in slave mode.
AnnaBridge 171:3a7713b1edbc 711 */
AnnaBridge 171:3a7713b1edbc 712 static inline bool DSPI_IsMaster(SPI_Type *base)
AnnaBridge 171:3a7713b1edbc 713 {
AnnaBridge 171:3a7713b1edbc 714 return (bool)((base->MCR) & SPI_MCR_MSTR_MASK);
AnnaBridge 171:3a7713b1edbc 715 }
AnnaBridge 171:3a7713b1edbc 716 /*!
AnnaBridge 171:3a7713b1edbc 717 * @brief Starts the DSPI transfers and clears HALT bit in MCR.
AnnaBridge 171:3a7713b1edbc 718 *
AnnaBridge 171:3a7713b1edbc 719 * This function sets the module to start data transfer in either master or slave mode.
AnnaBridge 171:3a7713b1edbc 720 *
AnnaBridge 171:3a7713b1edbc 721 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 722 */
AnnaBridge 171:3a7713b1edbc 723 static inline void DSPI_StartTransfer(SPI_Type *base)
AnnaBridge 171:3a7713b1edbc 724 {
AnnaBridge 171:3a7713b1edbc 725 base->MCR &= ~SPI_MCR_HALT_MASK;
AnnaBridge 171:3a7713b1edbc 726 }
AnnaBridge 171:3a7713b1edbc 727 /*!
AnnaBridge 171:3a7713b1edbc 728 * @brief Stops DSPI transfers and sets the HALT bit in MCR.
AnnaBridge 171:3a7713b1edbc 729 *
AnnaBridge 171:3a7713b1edbc 730 * This function stops data transfers in either master or slave modes.
AnnaBridge 171:3a7713b1edbc 731 *
AnnaBridge 171:3a7713b1edbc 732 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 733 */
AnnaBridge 171:3a7713b1edbc 734 static inline void DSPI_StopTransfer(SPI_Type *base)
AnnaBridge 171:3a7713b1edbc 735 {
AnnaBridge 171:3a7713b1edbc 736 base->MCR |= SPI_MCR_HALT_MASK;
AnnaBridge 171:3a7713b1edbc 737 }
AnnaBridge 171:3a7713b1edbc 738
AnnaBridge 171:3a7713b1edbc 739 /*!
AnnaBridge 171:3a7713b1edbc 740 * @brief Enables or disables the DSPI FIFOs.
AnnaBridge 171:3a7713b1edbc 741 *
AnnaBridge 171:3a7713b1edbc 742 * This function allows the caller to disable/enable the Tx and Rx FIFOs independently.
AnnaBridge 171:3a7713b1edbc 743 * Note that to disable, pass in a logic 0 (false) for the particular FIFO configuration. To enable,
AnnaBridge 171:3a7713b1edbc 744 * pass in a logic 1 (true).
AnnaBridge 171:3a7713b1edbc 745 *
AnnaBridge 171:3a7713b1edbc 746 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 747 * @param enableTxFifo Disables (false) the TX FIFO; Otherwise, enables (true) the TX FIFO
AnnaBridge 171:3a7713b1edbc 748 * @param enableRxFifo Disables (false) the RX FIFO; Otherwise, enables (true) the RX FIFO
AnnaBridge 171:3a7713b1edbc 749 */
AnnaBridge 171:3a7713b1edbc 750 static inline void DSPI_SetFifoEnable(SPI_Type *base, bool enableTxFifo, bool enableRxFifo)
AnnaBridge 171:3a7713b1edbc 751 {
AnnaBridge 171:3a7713b1edbc 752 base->MCR = (base->MCR & (~(SPI_MCR_DIS_RXF_MASK | SPI_MCR_DIS_TXF_MASK))) | SPI_MCR_DIS_TXF(!enableTxFifo) |
AnnaBridge 171:3a7713b1edbc 753 SPI_MCR_DIS_RXF(!enableRxFifo);
AnnaBridge 171:3a7713b1edbc 754 }
AnnaBridge 171:3a7713b1edbc 755
AnnaBridge 171:3a7713b1edbc 756 /*!
AnnaBridge 171:3a7713b1edbc 757 * @brief Flushes the DSPI FIFOs.
AnnaBridge 171:3a7713b1edbc 758 *
AnnaBridge 171:3a7713b1edbc 759 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 760 * @param flushTxFifo Flushes (true) the Tx FIFO; Otherwise, does not flush (false) the Tx FIFO
AnnaBridge 171:3a7713b1edbc 761 * @param flushRxFifo Flushes (true) the Rx FIFO; Otherwise, does not flush (false) the Rx FIFO
AnnaBridge 171:3a7713b1edbc 762 */
AnnaBridge 171:3a7713b1edbc 763 static inline void DSPI_FlushFifo(SPI_Type *base, bool flushTxFifo, bool flushRxFifo)
AnnaBridge 171:3a7713b1edbc 764 {
AnnaBridge 171:3a7713b1edbc 765 base->MCR = (base->MCR & (~(SPI_MCR_CLR_TXF_MASK | SPI_MCR_CLR_RXF_MASK))) | SPI_MCR_CLR_TXF(flushTxFifo) |
AnnaBridge 171:3a7713b1edbc 766 SPI_MCR_CLR_RXF(flushRxFifo);
AnnaBridge 171:3a7713b1edbc 767 }
AnnaBridge 171:3a7713b1edbc 768
AnnaBridge 171:3a7713b1edbc 769 /*!
AnnaBridge 171:3a7713b1edbc 770 * @brief Configures the DSPI peripheral chip select polarity simultaneously.
AnnaBridge 171:3a7713b1edbc 771 * For example, PCS0 and PCS1 are set to active low and other PCS is set to active high. Note that the number of
AnnaBridge 171:3a7713b1edbc 772 * PCSs is specific to the device.
AnnaBridge 171:3a7713b1edbc 773 * @code
AnnaBridge 171:3a7713b1edbc 774 * DSPI_SetAllPcsPolarity(base, kDSPI_Pcs0ActiveLow | kDSPI_Pcs1ActiveLow);
AnnaBridge 171:3a7713b1edbc 775 @endcode
AnnaBridge 171:3a7713b1edbc 776 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 777 * @param mask The PCS polarity mask; use the enum _dspi_pcs_polarity.
AnnaBridge 171:3a7713b1edbc 778 */
AnnaBridge 171:3a7713b1edbc 779 static inline void DSPI_SetAllPcsPolarity(SPI_Type *base, uint32_t mask)
AnnaBridge 171:3a7713b1edbc 780 {
AnnaBridge 171:3a7713b1edbc 781 base->MCR = (base->MCR & ~SPI_MCR_PCSIS_MASK) | SPI_MCR_PCSIS(mask);
AnnaBridge 171:3a7713b1edbc 782 }
AnnaBridge 171:3a7713b1edbc 783
AnnaBridge 171:3a7713b1edbc 784 /*!
AnnaBridge 171:3a7713b1edbc 785 * @brief Sets the DSPI baud rate in bits per second.
AnnaBridge 171:3a7713b1edbc 786 *
AnnaBridge 171:3a7713b1edbc 787 * This function takes in the desired baudRate_Bps (baud rate) and calculates the nearest possible baud rate without
AnnaBridge 171:3a7713b1edbc 788 * exceeding the desired baud rate, and returns the calculated baud rate in bits-per-second. It requires that the
AnnaBridge 171:3a7713b1edbc 789 * caller also provide the frequency of the module source clock (in Hertz).
AnnaBridge 171:3a7713b1edbc 790 *
AnnaBridge 171:3a7713b1edbc 791 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 792 * @param whichCtar The desired Clock and Transfer Attributes Register (CTAR) of the type dspi_ctar_selection_t
AnnaBridge 171:3a7713b1edbc 793 * @param baudRate_Bps The desired baud rate in bits per second
AnnaBridge 171:3a7713b1edbc 794 * @param srcClock_Hz Module source input clock in Hertz
AnnaBridge 171:3a7713b1edbc 795 * @return The actual calculated baud rate
AnnaBridge 171:3a7713b1edbc 796 */
AnnaBridge 171:3a7713b1edbc 797 uint32_t DSPI_MasterSetBaudRate(SPI_Type *base,
AnnaBridge 171:3a7713b1edbc 798 dspi_ctar_selection_t whichCtar,
AnnaBridge 171:3a7713b1edbc 799 uint32_t baudRate_Bps,
AnnaBridge 171:3a7713b1edbc 800 uint32_t srcClock_Hz);
AnnaBridge 171:3a7713b1edbc 801
AnnaBridge 171:3a7713b1edbc 802 /*!
AnnaBridge 171:3a7713b1edbc 803 * @brief Manually configures the delay prescaler and scaler for a particular CTAR.
AnnaBridge 171:3a7713b1edbc 804 *
AnnaBridge 171:3a7713b1edbc 805 * This function configures the PCS to SCK delay pre-scalar (PcsSCK) and scalar (CSSCK), after SCK delay pre-scalar
AnnaBridge 171:3a7713b1edbc 806 * (PASC) and scalar (ASC), and the delay after transfer pre-scalar (PDT) and scalar (DT).
AnnaBridge 171:3a7713b1edbc 807 *
AnnaBridge 171:3a7713b1edbc 808 * These delay names are available in the type dspi_delay_type_t.
AnnaBridge 171:3a7713b1edbc 809 *
AnnaBridge 171:3a7713b1edbc 810 * The user passes the delay to the configuration along with the prescaler and scaler value.
AnnaBridge 171:3a7713b1edbc 811 * This allows the user to directly set the prescaler/scaler values if pre-calculated or
AnnaBridge 171:3a7713b1edbc 812 * to manually increment either value.
AnnaBridge 171:3a7713b1edbc 813 *
AnnaBridge 171:3a7713b1edbc 814 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 815 * @param whichCtar The desired Clock and Transfer Attributes Register (CTAR) of type dspi_ctar_selection_t.
AnnaBridge 171:3a7713b1edbc 816 * @param prescaler The prescaler delay value (can be an integer 0, 1, 2, or 3).
AnnaBridge 171:3a7713b1edbc 817 * @param scaler The scaler delay value (can be any integer between 0 to 15).
AnnaBridge 171:3a7713b1edbc 818 * @param whichDelay The desired delay to configure; must be of type dspi_delay_type_t
AnnaBridge 171:3a7713b1edbc 819 */
AnnaBridge 171:3a7713b1edbc 820 void DSPI_MasterSetDelayScaler(
AnnaBridge 171:3a7713b1edbc 821 SPI_Type *base, dspi_ctar_selection_t whichCtar, uint32_t prescaler, uint32_t scaler, dspi_delay_type_t whichDelay);
AnnaBridge 171:3a7713b1edbc 822
AnnaBridge 171:3a7713b1edbc 823 /*!
AnnaBridge 171:3a7713b1edbc 824 * @brief Calculates the delay prescaler and scaler based on the desired delay input in nanoseconds.
AnnaBridge 171:3a7713b1edbc 825 *
AnnaBridge 171:3a7713b1edbc 826 * This function calculates the values for the following.
AnnaBridge 171:3a7713b1edbc 827 * PCS to SCK delay pre-scalar (PCSSCK) and scalar (CSSCK), or
AnnaBridge 171:3a7713b1edbc 828 * After SCK delay pre-scalar (PASC) and scalar (ASC), or
AnnaBridge 171:3a7713b1edbc 829 * Delay after transfer pre-scalar (PDT) and scalar (DT).
AnnaBridge 171:3a7713b1edbc 830 *
AnnaBridge 171:3a7713b1edbc 831 * These delay names are available in the type dspi_delay_type_t.
AnnaBridge 171:3a7713b1edbc 832 *
AnnaBridge 171:3a7713b1edbc 833 * The user passes which delay to configure along with the desired delay value in nanoseconds. The function
AnnaBridge 171:3a7713b1edbc 834 * calculates the values needed for the prescaler and scaler. Note that returning the calculated delay as an exact
AnnaBridge 171:3a7713b1edbc 835 * delay match may not be possible. In this case, the closest match is calculated without going below the desired
AnnaBridge 171:3a7713b1edbc 836 * delay value input.
AnnaBridge 171:3a7713b1edbc 837 * It is possible to input a very large delay value that exceeds the capability of the part, in which case the maximum
AnnaBridge 171:3a7713b1edbc 838 * supported delay is returned. The higher-level peripheral driver alerts the user of an out of range delay
AnnaBridge 171:3a7713b1edbc 839 * input.
AnnaBridge 171:3a7713b1edbc 840 *
AnnaBridge 171:3a7713b1edbc 841 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 842 * @param whichCtar The desired Clock and Transfer Attributes Register (CTAR) of type dspi_ctar_selection_t.
AnnaBridge 171:3a7713b1edbc 843 * @param whichDelay The desired delay to configure, must be of type dspi_delay_type_t
AnnaBridge 171:3a7713b1edbc 844 * @param srcClock_Hz Module source input clock in Hertz
AnnaBridge 171:3a7713b1edbc 845 * @param delayTimeInNanoSec The desired delay value in nanoseconds.
AnnaBridge 171:3a7713b1edbc 846 * @return The actual calculated delay value.
AnnaBridge 171:3a7713b1edbc 847 */
AnnaBridge 171:3a7713b1edbc 848 uint32_t DSPI_MasterSetDelayTimes(SPI_Type *base,
AnnaBridge 171:3a7713b1edbc 849 dspi_ctar_selection_t whichCtar,
AnnaBridge 171:3a7713b1edbc 850 dspi_delay_type_t whichDelay,
AnnaBridge 171:3a7713b1edbc 851 uint32_t srcClock_Hz,
AnnaBridge 171:3a7713b1edbc 852 uint32_t delayTimeInNanoSec);
AnnaBridge 171:3a7713b1edbc 853
AnnaBridge 171:3a7713b1edbc 854 /*!
AnnaBridge 171:3a7713b1edbc 855 * @brief Writes data into the data buffer for master mode.
AnnaBridge 171:3a7713b1edbc 856 *
AnnaBridge 171:3a7713b1edbc 857 * In master mode, the 16-bit data is appended to the 16-bit command info. The command portion
AnnaBridge 171:3a7713b1edbc 858 * provides characteristics of the data, such as the optional continuous chip select
AnnaBridge 171:3a7713b1edbc 859 * operation between transfers, the desired Clock and Transfer Attributes register to use for the
AnnaBridge 171:3a7713b1edbc 860 * associated SPI frame, the desired PCS signal to use for the data transfer, whether the current
AnnaBridge 171:3a7713b1edbc 861 * transfer is the last in the queue, and whether to clear the transfer count (normally needed when
AnnaBridge 171:3a7713b1edbc 862 * sending the first frame of a data packet). This is an example.
AnnaBridge 171:3a7713b1edbc 863 * @code
AnnaBridge 171:3a7713b1edbc 864 * dspi_command_data_config_t commandConfig;
AnnaBridge 171:3a7713b1edbc 865 * commandConfig.isPcsContinuous = true;
AnnaBridge 171:3a7713b1edbc 866 * commandConfig.whichCtar = kDSPICtar0;
AnnaBridge 171:3a7713b1edbc 867 * commandConfig.whichPcs = kDSPIPcs0;
AnnaBridge 171:3a7713b1edbc 868 * commandConfig.clearTransferCount = false;
AnnaBridge 171:3a7713b1edbc 869 * commandConfig.isEndOfQueue = false;
AnnaBridge 171:3a7713b1edbc 870 * DSPI_MasterWriteData(base, &commandConfig, dataWord);
AnnaBridge 171:3a7713b1edbc 871 @endcode
AnnaBridge 171:3a7713b1edbc 872 *
AnnaBridge 171:3a7713b1edbc 873 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 874 * @param command Pointer to the command structure.
AnnaBridge 171:3a7713b1edbc 875 * @param data The data word to be sent.
AnnaBridge 171:3a7713b1edbc 876 */
AnnaBridge 171:3a7713b1edbc 877 static inline void DSPI_MasterWriteData(SPI_Type *base, dspi_command_data_config_t *command, uint16_t data)
AnnaBridge 171:3a7713b1edbc 878 {
AnnaBridge 171:3a7713b1edbc 879 base->PUSHR = SPI_PUSHR_CONT(command->isPcsContinuous) | SPI_PUSHR_CTAS(command->whichCtar) |
AnnaBridge 171:3a7713b1edbc 880 SPI_PUSHR_PCS(command->whichPcs) | SPI_PUSHR_EOQ(command->isEndOfQueue) |
AnnaBridge 171:3a7713b1edbc 881 SPI_PUSHR_CTCNT(command->clearTransferCount) | SPI_PUSHR_TXDATA(data);
AnnaBridge 171:3a7713b1edbc 882 }
AnnaBridge 171:3a7713b1edbc 883
AnnaBridge 171:3a7713b1edbc 884 /*!
AnnaBridge 171:3a7713b1edbc 885 * @brief Sets the dspi_command_data_config_t structure to default values.
AnnaBridge 171:3a7713b1edbc 886 *
AnnaBridge 171:3a7713b1edbc 887 * The purpose of this API is to get the configuration structure initialized for use in the DSPI_MasterWrite_xx().
AnnaBridge 171:3a7713b1edbc 888 * Users may use the initialized structure unchanged in the DSPI_MasterWrite_xx() or modify the structure
AnnaBridge 171:3a7713b1edbc 889 * before calling the DSPI_MasterWrite_xx().
AnnaBridge 171:3a7713b1edbc 890 * This is an example.
AnnaBridge 171:3a7713b1edbc 891 * @code
AnnaBridge 171:3a7713b1edbc 892 * dspi_command_data_config_t command;
AnnaBridge 171:3a7713b1edbc 893 * DSPI_GetDefaultDataCommandConfig(&command);
AnnaBridge 171:3a7713b1edbc 894 * @endcode
AnnaBridge 171:3a7713b1edbc 895 * @param command Pointer to the dspi_command_data_config_t structure.
AnnaBridge 171:3a7713b1edbc 896 */
AnnaBridge 171:3a7713b1edbc 897 void DSPI_GetDefaultDataCommandConfig(dspi_command_data_config_t *command);
AnnaBridge 171:3a7713b1edbc 898
AnnaBridge 171:3a7713b1edbc 899 /*!
AnnaBridge 171:3a7713b1edbc 900 * @brief Writes data into the data buffer master mode and waits till complete to return.
AnnaBridge 171:3a7713b1edbc 901 *
AnnaBridge 171:3a7713b1edbc 902 * In master mode, the 16-bit data is appended to the 16-bit command info. The command portion
AnnaBridge 171:3a7713b1edbc 903 * provides characteristics of the data, such as the optional continuous chip select
AnnaBridge 171:3a7713b1edbc 904 * operation between transfers, the desired Clock and Transfer Attributes register to use for the
AnnaBridge 171:3a7713b1edbc 905 * associated SPI frame, the desired PCS signal to use for the data transfer, whether the current
AnnaBridge 171:3a7713b1edbc 906 * transfer is the last in the queue, and whether to clear the transfer count (normally needed when
AnnaBridge 171:3a7713b1edbc 907 * sending the first frame of a data packet). This is an example.
AnnaBridge 171:3a7713b1edbc 908 * @code
AnnaBridge 171:3a7713b1edbc 909 * dspi_command_config_t commandConfig;
AnnaBridge 171:3a7713b1edbc 910 * commandConfig.isPcsContinuous = true;
AnnaBridge 171:3a7713b1edbc 911 * commandConfig.whichCtar = kDSPICtar0;
AnnaBridge 171:3a7713b1edbc 912 * commandConfig.whichPcs = kDSPIPcs1;
AnnaBridge 171:3a7713b1edbc 913 * commandConfig.clearTransferCount = false;
AnnaBridge 171:3a7713b1edbc 914 * commandConfig.isEndOfQueue = false;
AnnaBridge 171:3a7713b1edbc 915 * DSPI_MasterWriteDataBlocking(base, &commandConfig, dataWord);
AnnaBridge 171:3a7713b1edbc 916 * @endcode
AnnaBridge 171:3a7713b1edbc 917 *
AnnaBridge 171:3a7713b1edbc 918 * Note that this function does not return until after the transmit is complete. Also note that the DSPI must be
AnnaBridge 171:3a7713b1edbc 919 * enabled and running to transmit data (MCR[MDIS] & [HALT] = 0). Because the SPI is a synchronous protocol,
AnnaBridge 171:3a7713b1edbc 920 * the received data is available when the transmit completes.
AnnaBridge 171:3a7713b1edbc 921 *
AnnaBridge 171:3a7713b1edbc 922 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 923 * @param command Pointer to the command structure.
AnnaBridge 171:3a7713b1edbc 924 * @param data The data word to be sent.
AnnaBridge 171:3a7713b1edbc 925 */
AnnaBridge 171:3a7713b1edbc 926 void DSPI_MasterWriteDataBlocking(SPI_Type *base, dspi_command_data_config_t *command, uint16_t data);
AnnaBridge 171:3a7713b1edbc 927
AnnaBridge 171:3a7713b1edbc 928 /*!
AnnaBridge 171:3a7713b1edbc 929 * @brief Returns the DSPI command word formatted to the PUSHR data register bit field.
AnnaBridge 171:3a7713b1edbc 930 *
AnnaBridge 171:3a7713b1edbc 931 * This function allows the caller to pass in the data command structure and returns the command word formatted
AnnaBridge 171:3a7713b1edbc 932 * according to the DSPI PUSHR register bit field placement. The user can then "OR" the returned command word with the
AnnaBridge 171:3a7713b1edbc 933 * desired data to send and use the function DSPI_HAL_WriteCommandDataMastermode or
AnnaBridge 171:3a7713b1edbc 934 * DSPI_HAL_WriteCommandDataMastermodeBlocking to write the entire 32-bit command data word to the PUSHR. This helps
AnnaBridge 171:3a7713b1edbc 935 * improve performance in cases where the command structure is constant. For example, the user calls this function
AnnaBridge 171:3a7713b1edbc 936 * before starting a transfer to generate the command word. When they are ready to transmit the data, they OR
AnnaBridge 171:3a7713b1edbc 937 * this formatted command word with the desired data to transmit. This process increases transmit performance when
AnnaBridge 171:3a7713b1edbc 938 * compared to calling send functions, such as DSPI_HAL_WriteDataMastermode, which format the command word each time a
AnnaBridge 171:3a7713b1edbc 939 * data word is to be sent.
AnnaBridge 171:3a7713b1edbc 940 *
AnnaBridge 171:3a7713b1edbc 941 * @param command Pointer to the command structure.
AnnaBridge 171:3a7713b1edbc 942 * @return The command word formatted to the PUSHR data register bit field.
AnnaBridge 171:3a7713b1edbc 943 */
AnnaBridge 171:3a7713b1edbc 944 static inline uint32_t DSPI_MasterGetFormattedCommand(dspi_command_data_config_t *command)
AnnaBridge 171:3a7713b1edbc 945 {
AnnaBridge 171:3a7713b1edbc 946 /* Format the 16-bit command word according to the PUSHR data register bit field*/
AnnaBridge 171:3a7713b1edbc 947 return (uint32_t)(SPI_PUSHR_CONT(command->isPcsContinuous) | SPI_PUSHR_CTAS(command->whichCtar) |
AnnaBridge 171:3a7713b1edbc 948 SPI_PUSHR_PCS(command->whichPcs) | SPI_PUSHR_EOQ(command->isEndOfQueue) |
AnnaBridge 171:3a7713b1edbc 949 SPI_PUSHR_CTCNT(command->clearTransferCount));
AnnaBridge 171:3a7713b1edbc 950 }
AnnaBridge 171:3a7713b1edbc 951
AnnaBridge 171:3a7713b1edbc 952 /*!
AnnaBridge 171:3a7713b1edbc 953 * @brief Writes a 32-bit data word (16-bit command appended with 16-bit data) into the data
AnnaBridge 171:3a7713b1edbc 954 * buffer master mode and waits till complete to return.
AnnaBridge 171:3a7713b1edbc 955 *
AnnaBridge 171:3a7713b1edbc 956 * In this function, the user must append the 16-bit data to the 16-bit command information and then provide the total
AnnaBridge 171:3a7713b1edbc 957 * 32-bit word
AnnaBridge 171:3a7713b1edbc 958 * as the data to send.
AnnaBridge 171:3a7713b1edbc 959 * The command portion provides characteristics of the data, such as the optional continuous chip select operation
AnnaBridge 171:3a7713b1edbc 960 * between transfers, the desired Clock and Transfer Attributes register to use for the associated SPI frame, the
AnnaBridge 171:3a7713b1edbc 961 * desired PCS
AnnaBridge 171:3a7713b1edbc 962 * signal to use for the data transfer, whether the current transfer is the last in the queue, and whether to clear the
AnnaBridge 171:3a7713b1edbc 963 * transfer count (normally needed when sending the first frame of a data packet). The user is responsible for
AnnaBridge 171:3a7713b1edbc 964 * appending this command with the data to send. This is an example:
AnnaBridge 171:3a7713b1edbc 965 * @code
AnnaBridge 171:3a7713b1edbc 966 * dataWord = <16-bit command> | <16-bit data>;
AnnaBridge 171:3a7713b1edbc 967 * DSPI_MasterWriteCommandDataBlocking(base, dataWord);
AnnaBridge 171:3a7713b1edbc 968 * @endcode
AnnaBridge 171:3a7713b1edbc 969 *
AnnaBridge 171:3a7713b1edbc 970 * Note that this function does not return until after the transmit is complete. Also note that the DSPI must be
AnnaBridge 171:3a7713b1edbc 971 * enabled and running to transmit data (MCR[MDIS] & [HALT] = 0).
AnnaBridge 171:3a7713b1edbc 972 * Because the SPI is a synchronous protocol, the received data is available when the transmit completes.
AnnaBridge 171:3a7713b1edbc 973 *
AnnaBridge 171:3a7713b1edbc 974 * For a blocking polling transfer, see methods below.
AnnaBridge 171:3a7713b1edbc 975 * Option 1:
AnnaBridge 171:3a7713b1edbc 976 * uint32_t command_to_send = DSPI_MasterGetFormattedCommand(&command);
AnnaBridge 171:3a7713b1edbc 977 * uint32_t data0 = command_to_send | data_need_to_send_0;
AnnaBridge 171:3a7713b1edbc 978 * uint32_t data1 = command_to_send | data_need_to_send_1;
AnnaBridge 171:3a7713b1edbc 979 * uint32_t data2 = command_to_send | data_need_to_send_2;
AnnaBridge 171:3a7713b1edbc 980 *
AnnaBridge 171:3a7713b1edbc 981 * DSPI_MasterWriteCommandDataBlocking(base,data0);
AnnaBridge 171:3a7713b1edbc 982 * DSPI_MasterWriteCommandDataBlocking(base,data1);
AnnaBridge 171:3a7713b1edbc 983 * DSPI_MasterWriteCommandDataBlocking(base,data2);
AnnaBridge 171:3a7713b1edbc 984 *
AnnaBridge 171:3a7713b1edbc 985 * Option 2:
AnnaBridge 171:3a7713b1edbc 986 * DSPI_MasterWriteDataBlocking(base,&command,data_need_to_send_0);
AnnaBridge 171:3a7713b1edbc 987 * DSPI_MasterWriteDataBlocking(base,&command,data_need_to_send_1);
AnnaBridge 171:3a7713b1edbc 988 * DSPI_MasterWriteDataBlocking(base,&command,data_need_to_send_2);
AnnaBridge 171:3a7713b1edbc 989 *
AnnaBridge 171:3a7713b1edbc 990 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 991 * @param data The data word (command and data combined) to be sent.
AnnaBridge 171:3a7713b1edbc 992 */
AnnaBridge 171:3a7713b1edbc 993 void DSPI_MasterWriteCommandDataBlocking(SPI_Type *base, uint32_t data);
AnnaBridge 171:3a7713b1edbc 994
AnnaBridge 171:3a7713b1edbc 995 /*!
AnnaBridge 171:3a7713b1edbc 996 * @brief Writes data into the data buffer in slave mode.
AnnaBridge 171:3a7713b1edbc 997 *
AnnaBridge 171:3a7713b1edbc 998 * In slave mode, up to 16-bit words may be written.
AnnaBridge 171:3a7713b1edbc 999 *
AnnaBridge 171:3a7713b1edbc 1000 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 1001 * @param data The data to send.
AnnaBridge 171:3a7713b1edbc 1002 */
AnnaBridge 171:3a7713b1edbc 1003 static inline void DSPI_SlaveWriteData(SPI_Type *base, uint32_t data)
AnnaBridge 171:3a7713b1edbc 1004 {
AnnaBridge 171:3a7713b1edbc 1005 base->PUSHR_SLAVE = data;
AnnaBridge 171:3a7713b1edbc 1006 }
AnnaBridge 171:3a7713b1edbc 1007
AnnaBridge 171:3a7713b1edbc 1008 /*!
AnnaBridge 171:3a7713b1edbc 1009 * @brief Writes data into the data buffer in slave mode, waits till data was transmitted, and returns.
AnnaBridge 171:3a7713b1edbc 1010 *
AnnaBridge 171:3a7713b1edbc 1011 * In slave mode, up to 16-bit words may be written. The function first clears the transmit complete flag, writes data
AnnaBridge 171:3a7713b1edbc 1012 * into data register, and finally waits until the data is transmitted.
AnnaBridge 171:3a7713b1edbc 1013 *
AnnaBridge 171:3a7713b1edbc 1014 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 1015 * @param data The data to send.
AnnaBridge 171:3a7713b1edbc 1016 */
AnnaBridge 171:3a7713b1edbc 1017 void DSPI_SlaveWriteDataBlocking(SPI_Type *base, uint32_t data);
AnnaBridge 171:3a7713b1edbc 1018
AnnaBridge 171:3a7713b1edbc 1019 /*!
AnnaBridge 171:3a7713b1edbc 1020 * @brief Reads data from the data buffer.
AnnaBridge 171:3a7713b1edbc 1021 *
AnnaBridge 171:3a7713b1edbc 1022 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 1023 * @return The data from the read data buffer.
AnnaBridge 171:3a7713b1edbc 1024 */
AnnaBridge 171:3a7713b1edbc 1025 static inline uint32_t DSPI_ReadData(SPI_Type *base)
AnnaBridge 171:3a7713b1edbc 1026 {
AnnaBridge 171:3a7713b1edbc 1027 return (base->POPR);
AnnaBridge 171:3a7713b1edbc 1028 }
AnnaBridge 171:3a7713b1edbc 1029
AnnaBridge 171:3a7713b1edbc 1030 /*!
AnnaBridge 171:3a7713b1edbc 1031 * @brief Set up the dummy data.
AnnaBridge 171:3a7713b1edbc 1032 *
AnnaBridge 171:3a7713b1edbc 1033 * @param base DSPI peripheral address.
AnnaBridge 171:3a7713b1edbc 1034 * @param dummyData Data to be transferred when tx buffer is NULL.
AnnaBridge 171:3a7713b1edbc 1035 */
AnnaBridge 171:3a7713b1edbc 1036 void DSPI_SetDummyData(SPI_Type *base, uint8_t dummyData);
AnnaBridge 171:3a7713b1edbc 1037
AnnaBridge 171:3a7713b1edbc 1038 /*!
AnnaBridge 171:3a7713b1edbc 1039 *@}
AnnaBridge 171:3a7713b1edbc 1040 */
AnnaBridge 171:3a7713b1edbc 1041
AnnaBridge 171:3a7713b1edbc 1042 /*!
AnnaBridge 171:3a7713b1edbc 1043 * @name Transactional
AnnaBridge 171:3a7713b1edbc 1044 * @{
AnnaBridge 171:3a7713b1edbc 1045 */
AnnaBridge 171:3a7713b1edbc 1046 /*Transactional APIs*/
AnnaBridge 171:3a7713b1edbc 1047
AnnaBridge 171:3a7713b1edbc 1048 /*!
AnnaBridge 171:3a7713b1edbc 1049 * @brief Initializes the DSPI master handle.
AnnaBridge 171:3a7713b1edbc 1050 *
AnnaBridge 171:3a7713b1edbc 1051 * This function initializes the DSPI handle, which can be used for other DSPI transactional APIs. Usually, for a
AnnaBridge 171:3a7713b1edbc 1052 * specified DSPI instance, call this API once to get the initialized handle.
AnnaBridge 171:3a7713b1edbc 1053 *
AnnaBridge 171:3a7713b1edbc 1054 * @param base DSPI peripheral base address.
AnnaBridge 171:3a7713b1edbc 1055 * @param handle DSPI handle pointer to dspi_master_handle_t.
AnnaBridge 171:3a7713b1edbc 1056 * @param callback DSPI callback.
AnnaBridge 171:3a7713b1edbc 1057 * @param userData Callback function parameter.
AnnaBridge 171:3a7713b1edbc 1058 */
AnnaBridge 171:3a7713b1edbc 1059 void DSPI_MasterTransferCreateHandle(SPI_Type *base,
AnnaBridge 171:3a7713b1edbc 1060 dspi_master_handle_t *handle,
AnnaBridge 171:3a7713b1edbc 1061 dspi_master_transfer_callback_t callback,
AnnaBridge 171:3a7713b1edbc 1062 void *userData);
AnnaBridge 171:3a7713b1edbc 1063
AnnaBridge 171:3a7713b1edbc 1064 /*!
AnnaBridge 171:3a7713b1edbc 1065 * @brief DSPI master transfer data using polling.
AnnaBridge 171:3a7713b1edbc 1066 *
AnnaBridge 171:3a7713b1edbc 1067 * This function transfers data using polling. This is a blocking function, which does not return until all transfers
AnnaBridge 171:3a7713b1edbc 1068 * have been completed.
AnnaBridge 171:3a7713b1edbc 1069 *
AnnaBridge 171:3a7713b1edbc 1070 * @param base DSPI peripheral base address.
AnnaBridge 171:3a7713b1edbc 1071 * @param transfer Pointer to the dspi_transfer_t structure.
AnnaBridge 171:3a7713b1edbc 1072 * @return status of status_t.
AnnaBridge 171:3a7713b1edbc 1073 */
AnnaBridge 171:3a7713b1edbc 1074 status_t DSPI_MasterTransferBlocking(SPI_Type *base, dspi_transfer_t *transfer);
AnnaBridge 171:3a7713b1edbc 1075
AnnaBridge 171:3a7713b1edbc 1076 /*!
AnnaBridge 171:3a7713b1edbc 1077 * @brief DSPI master transfer data using interrupts.
AnnaBridge 171:3a7713b1edbc 1078 *
AnnaBridge 171:3a7713b1edbc 1079 * This function transfers data using interrupts. This is a non-blocking function, which returns right away. When all
AnnaBridge 171:3a7713b1edbc 1080 * data is transferred, the callback function is called.
AnnaBridge 171:3a7713b1edbc 1081
AnnaBridge 171:3a7713b1edbc 1082 * @param base DSPI peripheral base address.
AnnaBridge 171:3a7713b1edbc 1083 * @param handle Pointer to the dspi_master_handle_t structure which stores the transfer state.
AnnaBridge 171:3a7713b1edbc 1084 * @param transfer Pointer to the dspi_transfer_t structure.
AnnaBridge 171:3a7713b1edbc 1085 * @return status of status_t.
AnnaBridge 171:3a7713b1edbc 1086 */
AnnaBridge 171:3a7713b1edbc 1087 status_t DSPI_MasterTransferNonBlocking(SPI_Type *base, dspi_master_handle_t *handle, dspi_transfer_t *transfer);
AnnaBridge 171:3a7713b1edbc 1088
AnnaBridge 171:3a7713b1edbc 1089 /*!
AnnaBridge 171:3a7713b1edbc 1090 * @brief Gets the master transfer count.
AnnaBridge 171:3a7713b1edbc 1091 *
AnnaBridge 171:3a7713b1edbc 1092 * This function gets the master transfer count.
AnnaBridge 171:3a7713b1edbc 1093 *
AnnaBridge 171:3a7713b1edbc 1094 * @param base DSPI peripheral base address.
AnnaBridge 171:3a7713b1edbc 1095 * @param handle Pointer to the dspi_master_handle_t structure which stores the transfer state.
AnnaBridge 171:3a7713b1edbc 1096 * @param count The number of bytes transferred by using the non-blocking transaction.
AnnaBridge 171:3a7713b1edbc 1097 * @return status of status_t.
AnnaBridge 171:3a7713b1edbc 1098 */
AnnaBridge 171:3a7713b1edbc 1099 status_t DSPI_MasterTransferGetCount(SPI_Type *base, dspi_master_handle_t *handle, size_t *count);
AnnaBridge 171:3a7713b1edbc 1100
AnnaBridge 171:3a7713b1edbc 1101 /*!
AnnaBridge 171:3a7713b1edbc 1102 * @brief DSPI master aborts a transfer using an interrupt.
AnnaBridge 171:3a7713b1edbc 1103 *
AnnaBridge 171:3a7713b1edbc 1104 * This function aborts a transfer using an interrupt.
AnnaBridge 171:3a7713b1edbc 1105 *
AnnaBridge 171:3a7713b1edbc 1106 * @param base DSPI peripheral base address.
AnnaBridge 171:3a7713b1edbc 1107 * @param handle Pointer to the dspi_master_handle_t structure which stores the transfer state.
AnnaBridge 171:3a7713b1edbc 1108 */
AnnaBridge 171:3a7713b1edbc 1109 void DSPI_MasterTransferAbort(SPI_Type *base, dspi_master_handle_t *handle);
AnnaBridge 171:3a7713b1edbc 1110
AnnaBridge 171:3a7713b1edbc 1111 /*!
AnnaBridge 171:3a7713b1edbc 1112 * @brief DSPI Master IRQ handler function.
AnnaBridge 171:3a7713b1edbc 1113 *
AnnaBridge 171:3a7713b1edbc 1114 * This function processes the DSPI transmit and receive IRQ.
AnnaBridge 171:3a7713b1edbc 1115
AnnaBridge 171:3a7713b1edbc 1116 * @param base DSPI peripheral base address.
AnnaBridge 171:3a7713b1edbc 1117 * @param handle Pointer to the dspi_master_handle_t structure which stores the transfer state.
AnnaBridge 171:3a7713b1edbc 1118 */
AnnaBridge 171:3a7713b1edbc 1119 void DSPI_MasterTransferHandleIRQ(SPI_Type *base, dspi_master_handle_t *handle);
AnnaBridge 171:3a7713b1edbc 1120
AnnaBridge 171:3a7713b1edbc 1121 /*!
AnnaBridge 171:3a7713b1edbc 1122 * @brief Initializes the DSPI slave handle.
AnnaBridge 171:3a7713b1edbc 1123 *
AnnaBridge 171:3a7713b1edbc 1124 * This function initializes the DSPI handle, which can be used for other DSPI transactional APIs. Usually, for a
AnnaBridge 171:3a7713b1edbc 1125 * specified DSPI instance, call this API once to get the initialized handle.
AnnaBridge 171:3a7713b1edbc 1126 *
AnnaBridge 171:3a7713b1edbc 1127 * @param handle DSPI handle pointer to the dspi_slave_handle_t.
AnnaBridge 171:3a7713b1edbc 1128 * @param base DSPI peripheral base address.
AnnaBridge 171:3a7713b1edbc 1129 * @param callback DSPI callback.
AnnaBridge 171:3a7713b1edbc 1130 * @param userData Callback function parameter.
AnnaBridge 171:3a7713b1edbc 1131 */
AnnaBridge 171:3a7713b1edbc 1132 void DSPI_SlaveTransferCreateHandle(SPI_Type *base,
AnnaBridge 171:3a7713b1edbc 1133 dspi_slave_handle_t *handle,
AnnaBridge 171:3a7713b1edbc 1134 dspi_slave_transfer_callback_t callback,
AnnaBridge 171:3a7713b1edbc 1135 void *userData);
AnnaBridge 171:3a7713b1edbc 1136
AnnaBridge 171:3a7713b1edbc 1137 /*!
AnnaBridge 171:3a7713b1edbc 1138 * @brief DSPI slave transfers data using an interrupt.
AnnaBridge 171:3a7713b1edbc 1139 *
AnnaBridge 171:3a7713b1edbc 1140 * This function transfers data using an interrupt. This is a non-blocking function, which returns right away. When all
AnnaBridge 171:3a7713b1edbc 1141 * data is transferred, the callback function is called.
AnnaBridge 171:3a7713b1edbc 1142 *
AnnaBridge 171:3a7713b1edbc 1143 * @param base DSPI peripheral base address.
AnnaBridge 171:3a7713b1edbc 1144 * @param handle Pointer to the dspi_slave_handle_t structure which stores the transfer state.
AnnaBridge 171:3a7713b1edbc 1145 * @param transfer Pointer to the dspi_transfer_t structure.
AnnaBridge 171:3a7713b1edbc 1146 * @return status of status_t.
AnnaBridge 171:3a7713b1edbc 1147 */
AnnaBridge 171:3a7713b1edbc 1148 status_t DSPI_SlaveTransferNonBlocking(SPI_Type *base, dspi_slave_handle_t *handle, dspi_transfer_t *transfer);
AnnaBridge 171:3a7713b1edbc 1149
AnnaBridge 171:3a7713b1edbc 1150 /*!
AnnaBridge 171:3a7713b1edbc 1151 * @brief Gets the slave transfer count.
AnnaBridge 171:3a7713b1edbc 1152 *
AnnaBridge 171:3a7713b1edbc 1153 * This function gets the slave transfer count.
AnnaBridge 171:3a7713b1edbc 1154 *
AnnaBridge 171:3a7713b1edbc 1155 * @param base DSPI peripheral base address.
AnnaBridge 171:3a7713b1edbc 1156 * @param handle Pointer to the dspi_master_handle_t structure which stores the transfer state.
AnnaBridge 171:3a7713b1edbc 1157 * @param count The number of bytes transferred by using the non-blocking transaction.
AnnaBridge 171:3a7713b1edbc 1158 * @return status of status_t.
AnnaBridge 171:3a7713b1edbc 1159 */
AnnaBridge 171:3a7713b1edbc 1160 status_t DSPI_SlaveTransferGetCount(SPI_Type *base, dspi_slave_handle_t *handle, size_t *count);
AnnaBridge 171:3a7713b1edbc 1161
AnnaBridge 171:3a7713b1edbc 1162 /*!
AnnaBridge 171:3a7713b1edbc 1163 * @brief DSPI slave aborts a transfer using an interrupt.
AnnaBridge 171:3a7713b1edbc 1164 *
AnnaBridge 171:3a7713b1edbc 1165 * This function aborts a transfer using an interrupt.
AnnaBridge 171:3a7713b1edbc 1166 *
AnnaBridge 171:3a7713b1edbc 1167 * @param base DSPI peripheral base address.
AnnaBridge 171:3a7713b1edbc 1168 * @param handle Pointer to the dspi_slave_handle_t structure which stores the transfer state.
AnnaBridge 171:3a7713b1edbc 1169 */
AnnaBridge 171:3a7713b1edbc 1170 void DSPI_SlaveTransferAbort(SPI_Type *base, dspi_slave_handle_t *handle);
AnnaBridge 171:3a7713b1edbc 1171
AnnaBridge 171:3a7713b1edbc 1172 /*!
AnnaBridge 171:3a7713b1edbc 1173 * @brief DSPI Master IRQ handler function.
AnnaBridge 171:3a7713b1edbc 1174 *
AnnaBridge 171:3a7713b1edbc 1175 * This function processes the DSPI transmit and receive IRQ.
AnnaBridge 171:3a7713b1edbc 1176 *
AnnaBridge 171:3a7713b1edbc 1177 * @param base DSPI peripheral base address.
AnnaBridge 171:3a7713b1edbc 1178 * @param handle Pointer to the dspi_slave_handle_t structure which stores the transfer state.
AnnaBridge 171:3a7713b1edbc 1179 */
AnnaBridge 171:3a7713b1edbc 1180 void DSPI_SlaveTransferHandleIRQ(SPI_Type *base, dspi_slave_handle_t *handle);
AnnaBridge 171:3a7713b1edbc 1181
AnnaBridge 171:3a7713b1edbc 1182 /*!
AnnaBridge 171:3a7713b1edbc 1183 *@}
AnnaBridge 171:3a7713b1edbc 1184 */
AnnaBridge 171:3a7713b1edbc 1185
AnnaBridge 171:3a7713b1edbc 1186 #if defined(__cplusplus)
AnnaBridge 171:3a7713b1edbc 1187 }
AnnaBridge 171:3a7713b1edbc 1188 #endif /*_cplusplus*/
AnnaBridge 171:3a7713b1edbc 1189 /*!
AnnaBridge 171:3a7713b1edbc 1190 *@}
AnnaBridge 171:3a7713b1edbc 1191 */
AnnaBridge 171:3a7713b1edbc 1192
AnnaBridge 171:3a7713b1edbc 1193 #endif /*_FSL_DSPI_H_*/