?? iis.c
字號:
rIISMOD = (0<<8) + (1<<6) + (0<<5) + (0<<4) + (1<<3) + (1<<2) + (1<<0);
rIISFIC = (1<<14) + (1<<12);
printf("\nIISLRCK = %d Hz", (int) IIS_Codec_CLK/384);
rINTMSK = ~(BIT_DMA1);
//rINTSUBMSK=~(BIT_DMA1);
//--- DMA1 Initialize
rDISRCC1 = (1<<1) + (1<<0);
rDISRC1 = ((unsigned int)0x31000000);
rDIDSTC1 = (0<<1) + (0<<0);
rDIDST1 = (int)rec_buf;
rDCON1 = (1<<31)+(0<<30)+(1<<29)+(0<<28)+(0<<27)+(1<<22)+(2<<20)+(rec_size/4);
rDMAREQSEL1 = (3<<1) + (1<<0);
rDMASKTRIG1 = (0<<2) + (1<<1) + (0<<0); //No-stop[2], DMA1 channel On[1], No-sw trigger[0]
if(mode ==1)
printf("\n\nAre you ready to record sound via MIC-In on SMDK2411/2413?");
if(mode ==2)
printf("\n\nAre you ready to record sound via Line-In on SMDK2411/2413?");
printf("\nPress any key to start record!\n");
getchar();
printf("Recording...\n");
//IIS Rx start
rIISCON |= 0x1;
while(!Rec_Done)
{
//printf("STAT1: 0x%x CURR_TC: 0x%x DCDST1: 0x%x\n", rDSTAT1&0x300000, rDSTAT1&0xfffff, rDCDST1);
printf(".");
Delay(2000);
}
Rec_Done = 0;
//IIS Rx stop
Delay(10); //For end of H/W Rx
rIISCON = 0x0; //IIS stop
rDMASKTRIG1 = (1<<2); //DMA1 stop
rIISFIC = 0x0; //For FIFO flush
ClearPending(BIT_DMA1);
// rSUBSRCPND=(BIT_SUB_DMA1);
rINTMSK |= (BIT_DMA1);
printf("\nEnd of Record!\n");
}
void IIS_RecSound_DMA1_Repeat(unsigned char *start_addr, unsigned int rec_size)
{
unsigned char Exit_Key;
printf("\nIISLRCK = %d Hz", (int) IIS_Codec_CLK/384);
//--- DMA1 Initialize
rDISRCC1 = (1<<1) + (1<<0);
rDISRC1 = ((unsigned int)0x44700010);
rDIDSTC1 = (0<<1) + (0<<0);
rDIDST1 = (int)start_addr;
rDCON1 = (1<<31)+(0<<30)+(1<<29)+(0<<28)+(0<<27)+(0<<22)+(2<<20)+(rec_size/4);
rDMAREQSEL1 = (3<<1) + (1<<0);
rDMASKTRIG1 = (0<<2) + (1<<1) + (0<<0); //No-stop[2], DMA1 channel On[1], No-sw trigger[0]
printf("\nRecording...\n");
//IIS Rx start
//rIISCON |= 0x1;
while(!Uart_GetKey())
{
Exit_Key=getchar();
if( (Exit_Key == 'x') | (Exit_Key == 'X'))
{
Rec_Done=1;
break;
}
}
//IIS Rx stop
Delay(10); //For end of H/W Rx
rIISCON = 0x0; //IIS stop
rDMASKTRIG1 = (1<<2); //DMA1 stop
rIISFIC = 0x0; //For FIFO flush
printf("\n\nEnd of Record!");
}
void __irq Rx_IIS_Int(void)
{
rSUBSRCPND = BIT_SUB_RXD1; //Clear pending bit (Requested)
rSUBSRCPND;
ClearPending(BIT_UART1);
*_temp ++= RdURXH1();
}
void __irq DMA1_Rec_Done(void)
{
ClearPending(BIT_DMA1);
//rSUBSRCPND=(BIT_DMA1);
Rec_Done = 1;
}
void IIS_PlayWave_DMA2(unsigned char *start_addr, unsigned int play_size)
{
unsigned char Exit_Key;
pISR_DMA2 = (unsigned)DMA2_Done;
ClearPending(BIT_DMA2);
rIISCON = (0<<5) + (0<<4) +(1<<2) + (0<<1)+0;
rIISMOD = (0<<8) + (0<<7)+ (0<<5) + (2<<3)+ (0<<1) + (0<<0);
rIISFIC = 0+(1<<15) ;
rIISFIC = 0+(0<<15) ;
printf("\nIISLRCK = %d Hz", (int) IIS_Codec_CLK/384);
rINTMSK = ~(BIT_DMA2);
printf("\nConnect head-phone plug into speaker-out socket on SMDK2411 and Press any key.\n");
getchar();
printf("If you want to exit, Press the 'x' key.\n");
printf("Now Play...\n");
printf("If you want to disable IIS tx(PAUSE), Press '0' key\n");
printf("If you want to enable IIS tx, Press '1' key\n");
printf("If you want to stop DMA channel(STOP), Press '2' key\n");
printf("If you want to start DMA channel, Press '3' key\n");
//DMA2 Register Setting
rDISRC2 = (int)(start_addr);
rDISRCC2 = (0<<1) + (0<<0);
rDIDST2 = ((unsigned int)0x55000010);
rDIDSTC2 = (1<<1) + (1<<0);
// 31: ACK 30: sync pclk 29:curr_tc int setting 28:unit transfer 27:single service 22: reload 20:half word
rDCON2 = (1<<31)+(0<<30)+(1<<29)+(0<<28)+(0<<27)+(0<<22)+(2<<20)+(play_size/4);
// 5:1= 4th bit is the tx iis 0:set = hw zero = sw
rDMAREQSEL2 = (4<<1)+(1<<0);
//
rDMASKTRIG2 = (0<<2) + (1<<1) + (0<<0); //No-stop, DMA2 channel On, and No-sw trigger
//IIS Tx Start
rIISCON |= 0x1; //IIS Interface start
while(!Uart_GetKey())
{
Exit_Key=getchar();
//->
//khs.050510
// added for I2S bug test
if(Exit_Key == '0'){
rIISCON |= (1<<4);
printf("\nPAUSE...\n");
}
if(Exit_Key == '1'){
rIISCON &= ~(1<<3);
}
if(Exit_Key == '2'){
rDMASKTRIG2 |= (1<<2);
rIISFIC &= ~(1<<13); //* tx fifo disable
while((rIISFIC & 0x0FC0)!=0); //* wait until tx fifo gets empty
printf("\nSTOP...\n");
}
if(Exit_Key == '3'){
rIISFIC |= (1<<13); //* tx fifo enable
rDISRC2 = (int)(start_addr);
rDMASKTRIG2 &= ~(1<<2);
rDMASKTRIG2 |= (1<<1);
}
//<-
if( (Exit_Key == 'x') | (Exit_Key == 'X'))
break;
printf("STAT2: 0x%x CURR_TC: 0x%x DCDST2: 0x%x\n", rDSTAT2&0x300000, rDSTAT2&0xfffff, rDCDST2);
}
//IIS Tx Stop
Delay(10); //For end of H/W Tx
rIISCON &= ~(1<<0); //IIS Interface stop
rDMASKTRIG2 = (1<<2); //DMA2 stop
rIISFIC = 0x0; //For FIFO flush
ClearPending(BIT_DMA2);
//rSUBSRCPND=(BIT_SUB_DMA2);
rINTMSK |= (BIT_DMA2);
printf("\nEnd of Play!\n");
}
void IIS_Paly_Rec_Simul(unsigned char *start_addr, unsigned int play_size)
{
unsigned char Exit_Key;
int i;
pISR_DMA1= (unsigned)Play_Rec_Simul;
ClearPending(BIT_DMA1);
rIISCON = (1<<5) + (1<<4) + (0<<3) + (0<<2) + (1<<1);
rIISMOD = (0<<8) + (3<<6) + (0<<5) + (0<<4) + (1<<3) + (1<<2) + (1<<0);
rIISFIC = (1<<15) + (1<<14) + (1<<13) + (1<<12);
printf("\nIISLRCK = %d Hz", (int) IIS_Codec_CLK/384);
rINTMSK = ~(BIT_DMA1);
printf("\nConnect head-phone plug into speaker-out socket on SMDK2460 and Press any key.\n");
getchar();
printf("If you want to exit, Press the 'x' key.\n");
printf("Now Play...\n");
//DMA2 Register Setting
rDISRC2 = (int)(start_addr);
rDISRCC2 = (0<<1) + (0<<0);
rDIDST2 = ((unsigned int)0x44700010);
rDIDSTC2 = (0<<2) + (1<<1) + (1<<0);
rDCON2 = (1<<31)+(0<<30)+(1<<29)+(0<<28)+(0<<27)+(0<<22)+(2<<20)+(play_size/4);
rDMAREQSEL2 = (2<<1) + (1<<0);
rDMASKTRIG2 = (0<<2) + (1<<1) + (0<<0); //No-stop, DMA2 channel On, and No-sw trigger
//IIS Tx Start
rIISCON |= 0x1; //IIS Interface start
while(1)
{
Delay(10000);
IIS_RecSound_DMA1_Repeat(rec_buf1, REC_LEN_IIS);
if( Rec_Done==1)
break;
}
Rec_Done=0;
//IIS Tx Stop
Delay(10); //For end of H/W Tx
rIISCON &= ~(1<<0); //IIS Interface stop
rDMASKTRIG2 = (1<<2); //DMA2 stop
rIISFIC = 0x0; //For FIFO flush
ClearPending(BIT_DMA1);
rINTMSK |=(BIT_DMA1);
printf("\nEnd of Play!\n");
}
void __irq DMA2_Done(void)
{
rINTMSK |= (BIT_DMA2);
ClearPending(BIT_DMA2);
rIISCON &= ~(1<<2)|(0<<0);
rIISCON |= (1<<2)|(1<<0);
printf("\nPuhahah~~~");
rINTMSK = ~(BIT_DMA2);
}
void __irq Play_Rec_Simul(void)
{
rINTMSK |= (BIT_DMA1);
ClearPending(BIT_DMA1);
rIISCON &= ~(1<<0);
rIISCON |= 0x1;
printf("\nR~~~");
rINTMSK = ~(BIT_DMA1);
}
////////////////////////////////////////////////////////////////////////////////////
void _WrL3Addr(unsigned char data)
{
int i,j;
rGPBDAT = rGPBDAT & ~(L3D | L3M | L3C) | L3C; //L3D=L, L3M=L(in address mode), L3C=H
for(j=0;j<4;j++); //tsu(L3) > 190ns
//GPB[4:2]=L3C:L3D:L3M
for(i=0;i<8;i++) //LSB first
{
if(data & 0x1) //If data's LSB is 'H'
{
rGPBDAT &= ~L3C; //L3C=L
rGPBDAT |= L3D; //L3D=H
for(j=0;j<4;j++); //tcy(L3) > 500ns
rGPBDAT |= L3C; //L3C=H
rGPBDAT |= L3D; //L3D=H
for(j=0;j<4;j++); //tcy(L3) > 500ns
}
else //If data's LSB is 'L'
{
rGPBDAT &= ~L3C; //L3C=L
rGPBDAT &= ~L3D; //L3D=L
for(j=0;j<4;j++); //tcy(L3) > 500ns
rGPBDAT |= L3C; //L3C=H
rGPBDAT &= ~L3D; //L3D=L
for(j=0;j<4;j++); //tcy(L3) > 500ns
}
data >>= 1;
}
rGPBDAT = rGPBDAT & ~(L3D | L3M | L3C) | (L3C | L3M); //L3M=H,L3C=H
}
void _WrL3Data(unsigned char data,int halt)
{
int i,j;
if(halt)
{
rGPBDAT = rGPBDAT & ~(L3D | L3M | L3C) | L3C; //L3C=H(while tstp, L3 interface halt condition)
for(j=0;j<4;j++); //tstp(L3) > 190ns
}
rGPBDAT = rGPBDAT & ~(L3D | L3M | L3C) | (L3C | L3M); //L3M=H(in data transfer mode)
for(j=0;j<4;j++); //tsu(L3)D > 190ns
//GPB[4:2]=L3C:L3D:L3M
for(i=0;i<8;i++)
{
if(data & 0x1) //if data's LSB is 'H'
{
rGPBDAT &= ~L3C; //L3C=L
rGPBDAT |= L3D; //L3D=H
for(j=0;j<4;j++); //tcy(L3) > 500ns
rGPBDAT |= (L3C | L3D); //L3C=H,L3D=H
for(j=0;j<4;j++); //tcy(L3) > 500ns
}
else //If data's LSB is 'L'
{
rGPBDAT &= ~L3C; //L3C=L
rGPBDAT &= ~L3D; //L3D=L
for(j=0;j<4;j++); //tcy(L3) > 500ns
rGPBDAT |= L3C; //L3C=H
rGPBDAT &= ~L3D; //L3D=L
for(j=0;j<4;j++); //tcy(L3) > 500ns
}
data >>= 1; //For check next bit
}
rGPBDAT = rGPBDAT & ~(L3D | L3M | L3C) | (L3C | L3M); //L3M=H,L3C=H
}
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