edma.rar_DSP 图像处理_dsp 传输_edma_处理器

/** * @file edma.c * * @brief * EDMA functions for TDA3 * * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the * distribution. * * Neither the name of Texas Instruments Incorporated nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <modules/edma/api/edma.h> //extern volatile short irqRaised1 = 0; // //extern void callback1 (uint32_t tcc, EDMA3_RM_TccStatus status, void *appData); #if defined(_WIN32) || defined(CCS) EDMA3_DRV_Result EDMA3_DRV_waitAndClearTcc(EDMA3_DRV_Handle hEdma, uint32_t tccId) { return EDMA_SUCCESS; } EDMA3_DRV_Result edma_chn_create(EDMA_OBJ_t * edma_obj_p) { return EDMA_SUCCESS; } EDMA3_DRV_Result edma_1DS_transfer(EDMA_OBJ_t * edma_obj_p, uint32_t address_dst, uint32_t address_src, uint32_t cnt_element, uint8_t flag_blocking ) { memcpy((uint32_t*)address_dst, (uint32_t*)address_src, cnt_element); return EDMA_SUCCESS; } EDMA3_DRV_Result edma_2DS_transfer(EDMA_OBJ_t * edma_obj_p, uint32_t address_dst, uint32_t address_src, uint32_t acnt_element, uint32_t bcnt_element, uint32_t srcBIdx, uint32_t desBIdx, uint8_t flag_blocking // if TRUE, wait till the finish of the TRX ) { uint32_t i; for (i = 0; i < bcnt_element; i++) { memcpy((uint32_t*)address_dst, (uint32_t*)address_src, acnt_element); address_src += srcBIdx; address_dst += desBIdx; } return EDMA_SUCCESS; } EDMA3_DRV_Result edma_3DS_transfer(EDMA_OBJ_t * edma_obj_p, uint32_t address_dst, uint32_t address_src, uint32_t acnt_element, uint32_t bcnt_element, uint32_t ccnt_element, uint32_t srcBIdx, uint32_t srcCIdx, uint32_t desBIdx, uint32_t desCIdx, uint8_t flag_blocking // if TRUE, wait till the finish of the TRX ) { uint32_t i, j; for (i = 0; i < ccnt_element; i++) { for (j = 0; j < bcnt_element; j++) { memcpy((uint32_t*)address_dst, (uint32_t*)address_src, acnt_element); address_src += srcBIdx; address_dst += desBIdx; } } return EDMA_SUCCESS; } #else //prepare the edma channel EDMA3_DRV_Result edma_chn_create(EDMA_OBJ_t * edma_obj_p) { UInt32 paramPhyAddr; EDMA3_DRV_Result edma3Result = EDMA3_DRV_SOK; edma_obj_p->hEdma = Utils_dmaGetEdma3Hndl(UTILS_DMA_LOCAL_EDMA_INST_ID); /////////////////////////////////////////////////////////////////////// Vps_printf("z: edma_chn_create: edma_obj_p->hEdma = %d", edma_obj_p->hEdma); /////////////////////////////////////////////////////////////////////// UTILS_assert(edma_obj_p->hEdma != NULL); edma_obj_p->tccId = EDMA3_DRV_TCC_ANY; edma_obj_p->edmaChId = EDMA3_DRV_DMA_CHANNEL_ANY; edma3Result = EDMA3_DRV_requestChannel( edma_obj_p->hEdma, (uint32_t*)(&(edma_obj_p->edmaChId)), (uint32_t*)(&(edma_obj_p->tccId)), (EDMA3_RM_EventQueue)0, NULL, NULL ); //(void *)(&(edma_obj_p))); UTILS_assert (edma3Result == EDMA3_DRV_SOK); // edma_obj_p->tcc = (uint8_t)(edma_obj_p->tccId) & 0x3F; // //// edma3Result = EDMA3_DRV_clearErrorBits(edma_obj_p->hEdma, //// edma_obj_p->edmaChId); //// //// UTILS_assert (edma3Result == EDMA3_DRV_SOK); edma3Result = EDMA3_DRV_getPaRAMPhyAddr(edma_obj_p->hEdma, edma_obj_p->edmaChId, &paramPhyAddr); edma_obj_p->pParamSet = (EDMA3_DRV_PaRAMRegs *)paramPhyAddr; //zz: test section ////////////////////////////////////////////////////////////////////////////////////// Vps_printf("z: edma_chn_create: allocated LINK (TCC) = %d (%d), pRaramSet = 0x%p\n", edma_obj_p->edmaChId, edma_obj_p->tccId, edma_obj_p->pParamSet); ////////////////////////////////////////////////////////////////////////////////////// return edma3Result; } //zz: edma 1D simple (continuous frame) EDMA3_DRV_Result edma_1DS_transfer(EDMA_OBJ_t * edma_obj_p, uint32_t address_dst, uint32_t address_src, uint32_t cnt_element, uint8_t flag_blocking ) { uint32_t opt; //unsigned short tccStatus = ((unsigned short)edma_obj_p->tccId) & 0x3F; EDMA3_DRV_Result status = EDMA3_DRV_SOK; opt = (((edma_obj_p->tccId << EDMA3_CCRL_OPT_TCC_SHIFT) & EDMA3_CCRL_OPT_TCC_MASK) | (EDMA3_CCRL_OPT_TCINTEN_ENABLE << EDMA3_CCRL_OPT_TCINTEN_SHIFT) | (EDMA3_CCRL_OPT_SYNCDIM_ABSYNC << EDMA3_CCRL_OPT_SYNCDIM_SHIFT) ); edma_obj_p->pParamSet->opt = opt; edma_obj_p->pParamSet->destAddr = address_dst; edma_obj_p->pParamSet->srcAddr = address_src; edma_obj_p->pParamSet->aCnt = cnt_element; edma_obj_p->pParamSet->bCnt = 1; edma_obj_p->pParamSet->cCnt = 1; edma_obj_p->pParamSet->linkAddr = 0xFFFF; //zz: in the case of first TRX, since there is no previous TRX, so the returned tccStatus is 0 (FALSE) // because there is no previous TRX, so the TCC is not written into the INT register for comparison //if(!flag_firstTRX) // check whether the previous TRX is completed //{ //Vps_printf("z: edma_1DS_transfer #1: status = %d, tccStatus = %d", // status, tccStatus); //status = EDMA3_DRV_checkAndClearTcc(edma_obj_p->hEdma, // edma_obj_p->tccId, //