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DSKC6711 CCS2.1 I do one acquisition in real time with the audio I transfer to the PC the sound by RTDX and i use the RTDX.exe software for the host and visualise the data the transfert is good but there is often of zeroes in the data on rtdx.exe thanks for the answers #include <stdio.h> #include <c6x.h> #include <rtdx.h> /* RTDX_Data_Write... */ #include "c6xdsk.h" #include "codec_edma.h" #include "filter.h" #include "bs2700.cof" //coefficient file BS @ 2700Hz #define DATA_SIZE 2 #define BLOCK_SIZE 256 #define NUM_OF_BLOCKS 18 #define DELAY 5 const short BUFFERLENGTH = 256; //size of output buffer /* change to TI code */ short dly[N]; int yn = 0; int pcm_out,pcm_in,dma_index; int src,dst; short buff[BLOCK_SIZE]; short *in_ptr,*out_ptr; short in[NUM_OF_BLOCKS*BLOCK_SIZE], out[NUM_OF_BLOCKS*BLOCK_SIZE]; RTDX_CreateOutputChannel(ochan); int main() { int i; /* dsp and periphiral initialization */ CSR=0x100; /* disable all interrupts */ IER=1; /* disable all interrupts except NMI */ ICR=0xffff; /* clear all pending interrupts */ *(unsigned volatile int *)EMIF_GCR = 0x3300; /* EMIF global control */ *(unsigned volatile int *)EMIF_CE0 = 0x30; /* EMIF CE0control */ *(unsigned volatile int *)EMIF_CE1 = 0xffffff03; /* EMIF CE1 control, 8bit async */ *(unsigned volatile int *)EMIF_SDCTRL = 0x07117000; /* EMIF SDRAM control */ *(unsigned volatile int *)EMIF_SDRP = 0x61a; /* EMIF SDRM refresh period */ *(unsigned volatile int *)EMIF_SDEXT = 0x54519; /* EMIF SDRAM extension */ *(unsigned volatile int *) TIMER1_CTRL = 0x000002e0; for (i=0; i<NUM_OF_BLOCKS*BLOCK_SIZE; i++) /* clear all buffers */ { in[i]=0; out[i]=0; } out[0] = 0xaa; out[1] = 0; out[2] = 0x1; out[3] = 0x0386; /* data for software reset */ out[4] = 0; out[5] = 0; out[6] = 0x1; out[7] = 0x0306; /* set reg 3 for mic input */ out[8] = 0; out[9] = 0; out[10] = 0x1; out[11] = 0x0400; /* data for software reset */ out[12] = 0; out[13] = 0; out[14] = 0x1; out[15] = 0x0502; /* data for software reset */ out[16] = 0; ICR = 0x100; IER |= 0x102; /* enable int 8 (EDMA) */ CSR |= 1; //IER = IER | 0x00008002;/* valide le timer 1*/ edma_init(); mcbsp0_init(); //int_selector(); timer_initialization(); while (1) ; } int_selector() { (unsigned volatile int *) IML = 0x00000000; (unsigned volatile int *) IMH = 0x08000000; } timer_initialization() { (unsigned volatile int *) TIMER1_CTRL = 0x00000000; (unsigned volatile int *) TIMER1_PRD = 0x000000A0; (unsigned volatile int *) TIMER1_COUNT = 0x00000000; (unsigned volatile int *) TIMER1_CTRL = 0x00000200; } void mcbsp0_init() { /* set up McBSP0 */ *(unsigned volatile int *)McBSP0_SPCR = 0; /* reset serial port */ *(unsigned volatile int *)McBSP0_PCR = 0; /* set pin control reg.; */ *(unsigned volatile int *)McBSP0_RCR = 0x10040; /* set rx control reg. one 16 bit data/frame */ *(unsigned volatile int *)McBSP0_XCR = 0x10040; /* set tx control reg. one 16 bit data/frame */ *(unsigned volatile int *)McBSP0_DXR = 0; *(unsigned volatile int *)McBSP0_SPCR = 0x12001; /* setup SP control reg.; */ } void edma_init() { *(unsigned volatile int *)ECR = 0xffff; /* clear all pending edma event */ *(unsigned volatile int *)EER = 0x3000; /* enable event 12 & 13 */ *(unsigned volatile int *)CIPR = 0xffff; /* clear all pending edma interrupts */ *(unsigned volatile int *)CIER = 0x100; /* enable CCE8 */ pcm_in = (int)∈ pcm_out = (int) |
problem RTDX
Started by ●October 13, 2003
