#include "global.h"
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int sport1a_buf[2][NUM_SAMPLES*SLOTS];
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int sport1b_buf[2][NUM_SAMPLES*SLOTS];
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int sport0a_buf[2][NUM_SAMPLES*SLOTS];
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int sport0b_buf[2][NUM_SAMPLES*SLOTS];
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int sport2a_buf[2][NUM_SAMPLES*2];
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int sport4a_buf[2][NUM_SAMPLES*2];
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int sport5a_buf[2][NUM_SAMPLES*2];
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//int xt[1024*1024];
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//2 For ping-pong ,each TCB has four registers.
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int sport1a_tcb[2][4] = {
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{0, NUM_SAMPLES*SLOTS, 1, (int) sport1a_buf[0]},
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{0, NUM_SAMPLES*SLOTS, 1, (int) sport1a_buf[1]}
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};
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int sport1b_tcb[2][4] = {
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{0, NUM_SAMPLES*SLOTS, 1, (int) sport1b_buf[0]},
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{0, NUM_SAMPLES*SLOTS, 1, (int) sport1b_buf[1]}
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};
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////TDM
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int sport0a_tcb[2][4] = {
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{0, NUM_SAMPLES*SLOTS, 1, (int) sport0a_buf[0]},
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{0, NUM_SAMPLES*SLOTS, 1, (int) sport0a_buf[1]}
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};
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int sport0b_tcb[2][4] = {
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{0, NUM_SAMPLES*SLOTS, 1, (int) sport0b_buf[0]},
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{0, NUM_SAMPLES*SLOTS, 1, (int) sport0b_buf[1]}
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};
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//usb
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int sport2a_tcb[2][4] = {
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{0, NUM_SAMPLES*2, 1, (int) sport2a_buf[0]},
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{0, NUM_SAMPLES*2, 1, (int) sport2a_buf[1]}
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};
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int sport4a_tcb[2][4] = {
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{0, NUM_SAMPLES*2, 1, (int) sport4a_buf[0]},
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{0, NUM_SAMPLES*2, 1, (int) sport4a_buf[1]}
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};
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int sport5a_tcb[2][4] = {
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{0, NUM_SAMPLES*2, 1, (int) sport5a_buf[0]},
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{0, NUM_SAMPLES*2, 1, (int) sport5a_buf[1]}
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};
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/*
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sport 0,2 TDMÊä³ö
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sport 1,3 TDMÊäÈë
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sport 4 i2s Êä³ö
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sport 5, i2s ÊäÈë
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sport 6 tdmÊä³ö
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sport 7 tdmÊäÈë
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*/
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void InitSPORT(int mask,int sampleRate)
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{
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int i;
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int fs_div = MCLK/RATE_SAMPLES;
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int sclk_div = MCLK/(RATE_SAMPLES*32*SLOTS);
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int sclk_div_48k = MCLK/(RATE_SAMPLES*32*2);
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int reg;
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/* External clock and frame syncs generated by AD1939 */
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*pDIV0 = 0x00000000; // Transmitter (SPORT0)
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*pDIV1 = 0x00000000; // Receiver (SPORT1) at 12.288 MHz SCLK and 48 kHz sample rate
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sport0a_tcb[0][0]= ((int)sport0a_tcb[1] + 3)&0x7ffff | (1<<19);
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sport0a_tcb[1][0]= ((int)sport0a_tcb[0] + 3)&0x7ffff | (1<<19);
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sport0b_tcb[0][0]= ((int)sport0b_tcb[1] + 3)&0x7ffff | (1<<19);
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sport0b_tcb[1][0]= ((int)sport0b_tcb[0] + 3)&0x7ffff | (1<<19);
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sport1a_tcb[0][0]= ((int)sport1a_tcb[1] + 3)&0x7ffff | (1<<19);
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sport1a_tcb[1][0]= ((int)sport1a_tcb[0] + 3)&0x7ffff | (1<<19);
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sport1b_tcb[0][0]= ((int)sport1b_tcb[1] + 3)&0x7ffff | (1<<19);
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sport1b_tcb[1][0]= ((int)sport1b_tcb[0] + 3)&0x7ffff | (1<<19);
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sport2a_tcb[0][0]= ((int)sport2a_tcb[1] + 3)&0x7ffff | (1<<19);
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sport2a_tcb[1][0]= ((int)sport2a_tcb[0] + 3)&0x7ffff | (1<<19);
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sport4a_tcb[0][0]= ((int)sport4a_tcb[1] + 3)&0x7ffff | (1<<19);
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sport4a_tcb[1][0]= ((int)sport4a_tcb[0] + 3)&0x7ffff | (1<<19);
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sport5a_tcb[0][0]= ((int)sport5a_tcb[1] + 3)&0x7ffff | (1<<19);
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sport5a_tcb[1][0]= ((int)sport5a_tcb[0] + 3)&0x7ffff | (1<<19);
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*pSPCTL0 = *pSPCTL1 = *pSPCTL2=*pSPCTL4=*pSPCTL5=0;
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*pSPMCTL0 = *pSPMCTL1=*pSPMCTL2=*pSPMCTL4=*pSPMCTL5=0;
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*pSPCTLN0 =*pSPCTLN1=*pSPCTLN2=*pSPCTLN4=*pSPCTLN5=0;
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*pCPSP0A = sport0a_tcb[0][0];
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*pCPSP0B = sport0b_tcb[0][0];
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*pCPSP1A = sport1a_tcb[0][0];
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*pCPSP1B = sport1b_tcb[0][0];
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//usb
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*pCPSP2A = sport2a_tcb[0][0];
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*pCPSP4A = sport4a_tcb[0][0];
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*pCPSP5A = sport5a_tcb[0][0];
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//*pSPCTL2 = (OPMODE | SLEN32 | SPEN_A | SCHEN_A | SDEN_A |LFS |CKRE);
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*pSPCTL5 = (OPMODE | SLEN32 | SPEN_A | SCHEN_A | SDEN_A |LFS |CKRE);
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*pSPCTL4 = (SPTRAN| OPMODE | SLEN32 | SPEN_A | SCHEN_A | SDEN_A |LFS |CKRE);//output
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//iis
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//*pSPCTL1 = (SPTRAN| OPMODE | SLEN32 | SPEN_A | SCHEN_A | SDEN_A); //usb send
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reg = ( SLEN32 | SCHEN_A | SDEN_A | SCHEN_B | SDEN_B |FSR |CKRE);
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*pSPCTL1 = reg;
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//tdm
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reg = (SPTRAN| SLEN32 | SCHEN_A | SDEN_A | SCHEN_B | SDEN_B |FSR |CKRE );
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*pSPCTL0 = reg;
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*pSP0CS0 = *pSP1CS0 = 0x000000ff;
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//*pMT0CCS0 = 0;
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*pSPMCTL0 = *pSPMCTL1 = (NCH7 | MFD1 |MCEA |MCEB);
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//tdm
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if(1)
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{
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int n,r0 ;
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*pPCG_CTLA1 =0 ; *pPCG_CTLA0 =0;
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for (n=0; n<16; n++)asm("NOP;");
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r0 = sclk_div | CLKASOURCE | FSASOURCE;
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*pPCG_CTLA1 = r0 ;
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r0 = fs_div | ENFSA | ENCLKA ;
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*pPCG_CTLA0 = r0;
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//bypass mode PCGB , get invert sclk
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*pPCG_CTLB1 =0 ; *pPCG_CTLB0 =0;
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for (n=0; n<16; n++)asm("NOP;");
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*pPCG_PW1 = 2| INVFSB ;
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r0 = sclk_div | CLKBSOURCE | FSBSOURCE;
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*pPCG_CTLB1 = r0 ;
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r0 = ENFSB | ENCLKB ;
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*pPCG_CTLB0 = r0;
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}
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//iis
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if(1)
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{
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int n,r0 ;
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*pPCG_CTLC1 =0 ; *pPCG_CTLC0 =0;
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for (n=0; n<16; n++)asm("NOP;");
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//*pPCG_PW1 =1;
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//*pPCG_PW2 = STROBEA| INVFSA;
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r0 = sclk_div_48k| CLKCSOURCE | FSCSOURCE | ((sclk_div_48k/2)<<20);
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*pPCG_CTLC1 = r0 ;
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r0 = fs_div | ENFSC | ENCLKC ;
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*pPCG_CTLC0 = r0;
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}
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}
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