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修改了Web后台的部分界面,增加了HAmqtt中的总电量传感器,后台新增mqtt上报频率设置
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231
mico-os/platform/MCU/LPC5410x/peripherals/Libraries/spim_5410x.c
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231
mico-os/platform/MCU/LPC5410x/peripherals/Libraries/spim_5410x.c
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/*
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* @brief LPC5410X SPI master driver
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*
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* @note
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* Copyright(C) NXP Semiconductors, 2015
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* All rights reserved.
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*
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* @par
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* Software that is described herein is for illustrative purposes only
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* which provides customers with programming information regarding the
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* LPC products. This software is supplied "AS IS" without any warranties of
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* any kind, and NXP Semiconductors and its licenser disclaim any and
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* all warranties, express or implied, including all implied warranties of
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* merchantability, fitness for a particular purpose and non-infringement of
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* intellectual property rights. NXP Semiconductors assumes no responsibility
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* or liability for the use of the software, conveys no license or rights under any
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* patent, copyright, mask work right, or any other intellectual property rights in
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* or to any products. NXP Semiconductors reserves the right to make changes
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* in the software without notification. NXP Semiconductors also makes no
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* representation or warranty that such application will be suitable for the
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* specified use without further testing or modification.
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*
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* @par
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* Permission to use, copy, modify, and distribute this software and its
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* documentation is hereby granted, under NXP Semiconductors' and its
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* licensor's relevant copyrights in the software, without fee, provided that it
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* is used in conjunction with NXP Semiconductors microcontrollers. This
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* copyright, permission, and disclaimer notice must appear in all copies of
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* this code.
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*/
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#include "chip.h"
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/*****************************************************************************
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* Private types/enumerations/variables
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****************************************************************************/
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static volatile bool xmitOn;
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/*****************************************************************************
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* Public types/enumerations/variables
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****************************************************************************/
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/*****************************************************************************
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* Private functions
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****************************************************************************/
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/*****************************************************************************
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* Public functions
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****************************************************************************/
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/* Get SPI master bit rate */
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uint32_t Chip_SPIM_GetClockRate(LPC_SPI_T *pSPI)
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{
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return Chip_Clock_GetAsyncSyscon_ClockRate() / (pSPI->DIV + 1);
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}
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/* Set SPI master bit rate */
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uint32_t Chip_SPIM_SetClockRate(LPC_SPI_T *pSPI, uint32_t rate)
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{
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uint32_t baseClock, div;
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/* Get peripheral base clock rate */
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baseClock = Chip_Clock_GetAsyncSyscon_ClockRate();
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/* Compute divider */
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div = baseClock / rate;
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/* Limit values */
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if (div == 0) {
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div = 1;
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}
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else if (div > 0x10000) {
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div = 0x10000;
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}
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pSPI->DIV = div - 1;
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return Chip_SPIM_GetClockRate(pSPI);
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}
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/* Configure SPI Delay parameters */
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void Chip_SPIM_DelayConfig(LPC_SPI_T *pSPI, SPIM_DELAY_CONFIG_T *pConfig)
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{
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pSPI->DLY = (SPI_DLY_PRE_DELAY(pConfig->PreDelay) |
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SPI_DLY_POST_DELAY(pConfig->PostDelay) |
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SPI_DLY_FRAME_DELAY(pConfig->FrameDelay) |
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SPI_DLY_TRANSFER_DELAY(pConfig->TransferDelay - 1));
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}
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/* Assert a SPI select */
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void Chip_SPIM_AssertSSEL(LPC_SPI_T *pSPI, uint8_t sselNum)
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{
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uint32_t reg;
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reg = pSPI->TXCTRL & SPI_TXDATCTL_CTRLMASK;
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/* Assert a SSEL line by driving it low */
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reg &= ~SPI_TXDATCTL_DEASSERTNUM_SSEL(sselNum);
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pSPI->TXCTRL = reg;
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}
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/* Deassert a SPI select */
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void Chip_SPIM_DeAssertSSEL(LPC_SPI_T *pSPI, uint8_t sselNum)
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{
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uint32_t reg;
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reg = pSPI->TXCTRL & SPI_TXDATCTL_CTRLMASK;
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pSPI->TXCTRL = reg | SPI_TXDATCTL_DEASSERTNUM_SSEL(sselNum);
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}
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/* SPI master transfer state change handler */
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void Chip_SPIM_XferHandler(LPC_SPI_T *pSPI, SPIM_XFER_T *xfer)
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{
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uint32_t data;
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uint8_t flen;
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/* Get length of a receive value */
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flen = (pSPI->TXCTRL >> 24) & 0xF;
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/* Master asserts slave */
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if ((Chip_SPI_GetStatus(pSPI) & SPI_STAT_SSA) != 0) {
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Chip_SPI_ClearStatus(pSPI, SPI_STAT_SSA);
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/* SSEL assertion callback */
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xfer->pCB->masterXferCSAssert(xfer);
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}
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/* Slave de-assertion */
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if ((Chip_SPI_GetStatus(pSPI) & SPI_STAT_SSD) != 0) {
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Chip_SPI_ClearStatus(pSPI, SPI_STAT_SSD);
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/* If transmitter disabled and deassert happens, the transfer is done */
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if (xmitOn == false) {
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xfer->pCB->mMasterXferDone(xfer);
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}
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}
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/* Transmit data? */
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while (((Chip_SPI_GetStatus(pSPI) & SPI_STAT_TXRDY) != 0) && (xmitOn == true)) {
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if ((xfer->txCount == 1) && (xfer->terminate)) {
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/* Transfer is done, this will be last data */
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Chip_SPIM_ForceEndOfTransfer(pSPI);
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xmitOn = false;
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}
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else if (xfer->txCount == 0) {
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/* Request a new buffer first */
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xfer->pCB->masterXferSend(xfer);
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}
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if (xfer->txCount > 0) {
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/* Send 0 if ignoring transmit */
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if (xfer->pTXData8 == NULL) {
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data = 0;
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}
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else {
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/* Copy buffer to data */
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if (flen > 8) {
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data = (uint32_t) *xfer->pTXData16;
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xfer->pTXData16++;
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}
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else {
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data = (uint32_t) *xfer->pTXData8;
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xfer->pTXData8++;
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}
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xfer->dataTXferred++;
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}
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Chip_SPI_WriteTXData(pSPI, data);
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xfer->txCount--;
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}
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}
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/* Data received? */
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while ((Chip_SPI_GetStatus(pSPI) & SPI_STAT_RXRDY) != 0) {
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/* Get raw data and status */
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data = Chip_SPI_ReadRawRXFifo(pSPI);
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/* Only copy data when not ignoring receive */
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if (xfer->pRXData8 != NULL) {
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/* Enough size in current buffers? */
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if (xfer->rxCount == 0) {
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/* Request a new buffer first */
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xfer->pCB->masterXferRecv(xfer);
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}
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/* Copy data to buffer */
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if (xfer->rxCount > 0) {
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if (flen > 8) {
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*xfer->pRXData16 = (uint16_t) (data & 0xFFFF);
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xfer->pRXData16++;
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}
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else {
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*xfer->pRXData8 = (uint8_t) (data & 0xFF);
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xfer->pRXData8++;
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}
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xfer->dataRXferred++;
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xfer->rxCount--;
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}
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}
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}
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}
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/* Start non-blocking SPI master transfer */
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void Chip_SPIM_Xfer(LPC_SPI_T *pSPI, SPIM_XFER_T *xfer)
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{
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/* Setup SPI master select, data length, EOT/EOF timing, and RX data ignore */
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pSPI->TXCTRL = xfer->options | SPI_TXDATCTL_DEASSERT_ALL;
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Chip_SPIM_AssertSSEL(pSPI, xfer->sselNum);
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/* Clear initial transfer states */
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xfer->dataRXferred = xfer->dataTXferred = 0;
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/* Call main handler to start transfer */
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xmitOn = true;
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Chip_SPIM_XferHandler(pSPI, xfer);
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}
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/* Perform blocking SPI master transfer */
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void Chip_SPIM_XferBlocking(LPC_SPI_T *pSPI, SPIM_XFER_T *xfer)
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{
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/* Start trasnfer */
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Chip_SPIM_Xfer(pSPI, xfer);
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/* Wait for termination */
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while (xmitOn == true) {
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Chip_SPIM_XferHandler(pSPI, xfer);
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}
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}
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