dma.rar_The Chip_c5505_dsp dma

/** * \file csl_dma_IntcExample.c * \brief Test for all the channel in interrupt mode. */ #include "csl_dma.h" #include "csl_intc.h" #include <stdio.h> #define CSL_DMA_BUFFER_SIZE 1024 /* Reference the start of the interrupt vector table */ extern void VECSTART(void); /* Protype declaration for ISR function */ interrupt void dma_isr(void); /* Declaration of the buffer */ Uint16 dmaSRCBuff[CSL_DMA_BUFFER_SIZE]; Uint16 dmaDESTBuff[CSL_DMA_BUFFER_SIZE]; static int count ; static int isrEntryCount; CSL_DMA_Handle dmaHandle; CSL_DMA_Config dmaConfig; CSL_DMA_Config getdmaConfig; void main(void) { CSL_DMA_ChannelObj dmaObj; CSL_Status status; Uint16 chanNumber; Uint16 i; for(i = 0; i< CSL_DMA_BUFFER_SIZE; i++) { //dmaSRCBuff[i] = 0xFFFF; dmaSRCBuff[i] = i; dmaDESTBuff[i] = 0x0000; } dmaConfig.autoMode = CSL_DMA_AUTORELOAD_DISABLE; dmaConfig.burstLen = CSL_DMA_TXBURST_8WORD; dmaConfig.trigger = CSL_DMA_SOFTWARE_TRIGGER; dmaConfig.dmaEvt = CSL_DMA_EVT_NONE; dmaConfig.dmaInt = CSL_DMA_INTERRUPT_ENABLE; dmaConfig.chanDir = CSL_DMA_READ; dmaConfig.trfType = CSL_DMA_TRANSFER_MEMORY; dmaConfig.dataLen = CSL_DMA_BUFFER_SIZE * 2; dmaConfig.srcAddr = (Uint32)dmaSRCBuff; dmaConfig.destAddr = (Uint32)dmaDESTBuff; IRQ_globalDisable(); IRQ_setVecs((Uint32)&VECSTART); IRQ_clear(DMA_EVENT); IRQ_plug (DMA_EVENT, &dma_isr); IRQ_enable(DMA_EVENT); IRQ_globalEnable(); status = DMA_init(); if (status != CSL_SOK) { printf("DMA_init() Failed \n"); } for( chanNumber = 0; chanNumber < CSL_DMA_CHAN_MAX; chanNumber++) { count = 0; printf("\n Test for DMA Channel No : %d \t", chanNumber); dmaHandle = DMA_open((CSL_DMAChanNum)chanNumber,&dmaObj, &status); if (dmaHandle == NULL) { printf("DMA_open() Failed \n"); break; } status = DMA_config(dmaHandle, &dmaConfig); if (status != CSL_SOK) { printf("DMA_config() Failed \n"); break; } status = DMA_getConfig(dmaHandle, &getdmaConfig); if (status != CSL_SOK) { printf("DMA_getConfig() Failed \n"); break; } status = DMA_start(dmaHandle); if (status != CSL_SOK) { printf("DMA_start() Failed \n"); break; } while(count != 1);; status = DMA_close(dmaHandle); if (status != CSL_SOK) { printf("DMA_close() Failed \n"); break; } status = DMA_reset(dmaHandle); if (status != CSL_SOK) { printf("DMA_reset() Failed \n"); break; } /* validation for set and get config parameter */ if((dmaConfig.autoMode) != (getdmaConfig.autoMode)) { printf("Mode not matched\n"); } if(((dmaConfig.burstLen) != (getdmaConfig.burstLen))) { printf("Burst length not matched\n"); } if(((dmaConfig.trigger) != (getdmaConfig.trigger))) { printf("Triger type not matched\n"); } if(((dmaConfig.dmaEvt) != (getdmaConfig.dmaEvt)) ) { printf("Event not matched\n"); } if(((dmaConfig.dmaInt) != (getdmaConfig.dmaInt))) { printf("Interrupt state not matched\n"); } if(((dmaConfig.chanDir) != (getdmaConfig.chanDir))) { printf("Direction read or write not matched\n"); } if(((dmaConfig.trfType) != (getdmaConfig.trfType))) { printf("Transfer type not matched\n"); } if(((dmaConfig.dataLen) != (getdmaConfig.dataLen))) { printf("data length of transfer not matched\n"); } if(((dmaConfig.srcAddr) != (getdmaConfig.srcAddr))) { printf("Source address not matched\n"); } if(((dmaConfig.destAddr) != (getdmaConfig.destAddr))) { printf("Destination address not matched\n"); } for(i = 0; i < CSL_DMA_BUFFER_SIZE; i ++) { if(dmaSRCBuff[i] != dmaDESTBuff[i]) { printf("Buffer miss matched at position %d\n",i); break; } } if(i == CSL_DMA_BUFFER_SIZE) { printf("Success"); } for(i = 0; i < CSL_DMA_BUFFER_SIZE; i++) { dmaSRCBuff[i] = 0xFFFF; dmaDESTBuff[i] = 0x0000; } } if(isrEntryCount == 16) { printf("\n\n\t Test of DMA Interrupt mode Passed:\n"); } else { printf("\n\n\t Test of DMA Interrupt mode Failed:\n"); } } interrupt void dma_isr(void) { int ifrValue; ifrValue = CSL_SYSCTRL_REGS->DMAIFR; CSL_SYSCTRL_REGS->DMAIFR |= ifrValue; ++count; ++isrEntryCount; }