add mic.

git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/twl_wrapsdk/trunk@95 4ee2a332-4b2b-5046-8439-1ba90f034370

build/libraries/snd/ARM7/Makefile

@@ -43,7 +43,8 @@ SRCS	=	\
 		snd_alarm.c		\
 		snd_command.c		\
 		snd_data.c		\
-		snd_i2s.c
+		snd_i2s.c		\
+		snd_mic.c		\
 
 
 TARGET_LIB	=	libsnd_sp$(TWL_LIBSUFFIX).a

build/libraries/snd/ARM7/snd_mic.c

@@ -0,0 +1,178 @@
+/*---------------------------------------------------------------------------*
+  Project:  CtrSDK - MIC
+  File:     mic.c
+
+  Copyright 2006 Nintendo.  All rights reserved.
+
+  These coded instructions, statements, and computer programs contain
+  proprietary information of Nintendo of America Inc. and/or Nintendo
+  Company Ltd., and are protected by Federal copyright law.  They may
+  not be disclosed to third parties or copied or duplicated in any form,
+  in whole or in part, without the prior written consent of Nintendo.
+
+  $Log: $
+  $NoKeywords: $
+ *---------------------------------------------------------------------------*/
+
+#include <twl.h>
+#include <twl/snd/ARM7/snd_mic.h>
+
+
+static void MICi_ExDmaRecvAsync( u32 dmaNo, void *dest, s32 size );
+void MICi_ExDmaInterruptHandler( void );
+
+void MICi_DmaInterruptHandler( void );
+void MICi_FifoInterruptHandler( void );
+
+static MICWork micWork;
+
+
+/*---------------------------------------------------------------------------*
+  Name:         MICi_Start
+
+  Description:  start MIC
+
+  Arguments:    dtc : enable DTC or not
+
+  Returns:      None
+ *---------------------------------------------------------------------------*/
+void MICi_Start( MICSampleRate smp, u32 dmaNo, void *dest, s32 size )
+{
+	MICWork *wp = &micWork;
+
+    OSIntrMode enabled;
+
+    wp->dmaNo = dmaNo;
+    wp->buf = dest;
+    wp->bufSize = size;
+
+    MICi_Stop();
+
+    enabled = OS_DisableInterrupts();
+
+	if ( dest != NULL )
+	{
+		if ( MI_EXDMA_CH_MIN <= dmaNo && dmaNo <= MI_EXDMA_CH_MAX )
+		{
+            u32 ch = dmaNo + MI_EXDMA_CH_MIN;
+
+			MIi_StopExDma( dmaNo );
+
+			MICi_ExDmaRecvAsync( dmaNo, dest, size );
+
+			OS_SetIrqFunction( OS_IE_DMA4 + ch, MICi_ExDmaInterruptHandler );
+
+			reg_OS_IF  = (OS_IE_DMA4 << ch);
+			reg_OS_IE |= (OS_IE_DMA4 << ch);		// enable mic dma interrupt
+		}
+	}
+
+    SND_Enable();
+
+    // start monoral sampling
+    reg_SND_MICCNT = (u8)REG_SND_MICCNT_FIFO_CLR_MASK;
+    reg_SND_MICCNT = (u8)(REG_SND_MICCNT_E_MASK | REG_SND_MICCNT_NR_MASK | MIC_INTR_OVERFLOW
+                    | smp);
+
+    (void)OS_RestoreInterrupts(enabled);
+}
+
+/*---------------------------------------------------------------------------*
+  Name:         MICi_Stop
+
+  Description:  stop MIC
+
+  Arguments:    None
+
+  Returns:      None
+ *---------------------------------------------------------------------------*/
+void MICi_Stop( void )
+{
+	MICWork *wp = &micWork;
+
+    OSIntrMode enabled = OS_DisableInterrupts();
+
+    if ( reg_SND_MICCNT & REG_SND_MICCNT_E_MASK )
+    {
+	    u32 dmaNo = wp->dmaNo;
+
+    	reg_SND_MICCNT &= ~REG_SND_MICCNT_E_MASK;
+
+		if ( MI_EXDMA_CH_MIN <= dmaNo && dmaNo <= MI_EXDMA_CH_MAX )
+		{
+            u32 ch = dmaNo + MI_EXDMA_CH_MIN;
+
+			MIi_StopExDma( dmaNo );
+
+	        reg_OS_IE &= ~(OS_IE_DMA4 << ch);		// disable mic dma interrupt
+			reg_OS_IF  =  (OS_IE_DMA4 << ch);
+		}
+		else
+		{
+	        reg_OS_IE2 &= ~(OS_IE_MIC >> 32);		// disable mic fifo interrupt
+			reg_OS_IF2  =  (OS_IE_MIC >> 32);
+		}
+	}
+
+    (void)OS_RestoreInterrupts(enabled);
+}
+
+/*---------------------------------------------------------------------------*
+  Name:         MICi_ExDmaRecvAsync
+
+  Description:  receive data with DMA
+                async version
+
+  Arguments:    dmaNo : DMA channel No.
+                dest  : destination address
+                size  : size (byte)
+
+  Returns:      None
+ *---------------------------------------------------------------------------*/
+static void MICi_ExDmaRecvAsync( u32 dmaNo, void *dest, s32 size )
+{
+	u32 interval = (0x2C0 * 16) - 16;
+	MIExDmaPrescaler prescale = MI_EXDMA_PRESCALER_1;
+
+    MIi_ExDmaRecvAsyncCore( dmaNo, (void*)REG_MIC_FIFO_ADDR, dest, 
+                (u32)size, (u32)size, 
+                MI_EXDMA_BLOCK_32B, interval, prescale,
+                MI_EXDMA_CONTINUOUS_ON, MI_EXDMA_SRC_RLD_ON, MI_EXDMA_DEST_RLD_ON,
+                MI_EXDMA_TIMING_MIC );
+}
+
+/*---------------------------------------------------------------------------*
+  Name:         MICi_ExDmaInterruptHandler
+
+  Description:  interrupt handler
+
+  Arguments:    None
+
+  Returns:      None
+ *---------------------------------------------------------------------------*/
+void MICi_ExDmaInterruptHandler( void )
+{
+//	MICWork *wp = &micWork;
+
+//    OS_TPrintf( "*" );
+
+//	MICi_ExDmaRecvAsync( wp->dmaNo, wp->buf, wp->bufSize );
+}
+
+/*---------------------------------------------------------------------------*
+  Name:         MICi_FifoInterruptHandler
+
+  Description:  interrupt handler
+
+  Arguments:    None
+
+  Returns:      None
+ *---------------------------------------------------------------------------*/
+void MICi_FifoInterruptHandler( void )
+{
+	MICWork *wp = &micWork;
+
+	MIi_CpuSend32( (void*)REG_MIC_FIFO_ADDR, wp->buf, (u32)wp->bufSize );
+}
+
+

build/tests/snd/Makefile

@@ -22,6 +22,8 @@ include	$(TWLSDK_ROOT)/build/buildtools/commondefs
 
 SUBDIRS =	channel \
 		capture \
+		mic-1 \
+		mic-2 \
 
 
 #----------------------------------------------------------------------------

build/tests/snd/mic-1/ARM7/Makefile

@@ -0,0 +1,44 @@
+#! make -f
+#----------------------------------------------------------------------------
+# Project:  TwlSDK - SND - demos - channel
+# File:     Makefile
+#
+# Copyright 2007 Nintendo.  All rights reserved.
+#
+# These coded instructions, statements, and computer programs contain
+# proprietary information of Nintendo of America Inc. and/or Nintendo
+# Company Ltd., and are protected by Federal copyright law.  They may
+# not be disclosed to third parties or copied or duplicated in any form,
+# in whole or in part, without the prior written consent of Nintendo.
+#
+# $Log: $
+# $NoKeywords: $
+#----------------------------------------------------------------------------
+
+SUBDIRS		=
+
+
+#----------------------------------------------------------------------------
+
+#TWL_CODEGEN   =       THUMB
+TWL_PROC      =       ARM7
+
+TARGET_BIN	=	mic7_1.axf
+
+SRCS		=	main.c
+
+#SRCDIR		=	# using default
+#LCFILE		=	# using default
+
+include	$(TWLSDK_ROOT)/build/buildtools/commondefs
+
+
+#----------------------------------------------------------------------------
+
+do-build:		$(TARGETS)
+
+
+include	$(TWLSDK_ROOT)/build/buildtools/modulerules
+
+
+#===== End of Makefile =====

build/tests/snd/mic-1/ARM7/src/main.c

@@ -0,0 +1,63 @@
+/*---------------------------------------------------------------------------*
+  Project:  TwlSDK - tests - snd - mic-1
+  File:     main.c
+
+  Copyright 2007 Nintendo.  All rights reserved.
+
+  These coded instructions, statements, and computer programs contain
+  proprietary information of Nintendo of America Inc. and/or Nintendo
+  Company Ltd., and are protected by Federal copyright law.  They may
+  not be disclosed to third parties or copied or duplicated in any form,
+  in whole or in part, without the prior written consent of Nintendo.
+
+  $Log: main.c,v $
+  $NoKeywords: $
+ *---------------------------------------------------------------------------*/
+
+#include <twl_sp.h>
+#include <twl/mic.h>
+
+#include <math.h>
+
+// ===== スレッド優先度 =====
+
+#define THREAD_PRIO_SND         6
+
+#define MY_MIC_BUF_LEN    0x100
+
+u16       micBuf[MY_MIC_BUF_LEN]  __attribute__ ((aligned (32)));
+
+void TwlSpMain(void)
+{
+    int i, ii;
+
+    OS_Init();
+    OS_InitThread();
+
+    // サウンド初期化
+    SND_Init(THREAD_PRIO_SND);
+
+    OS_TPrintf("\nARM7 starts.\n");
+
+    MICi_Start( MIC_SMP_ALL, MIC_DEFAULT_DMA_NO, micBuf, sizeof(micBuf) );
+    OS_TPrintf( "\nMIC starts.\n");
+
+    OS_SpinWait( OS_MSEC_TO_CPUCYC( 60 ) );
+
+    MICi_Stop();
+    OS_TPrintf( "\nMIC stops.\n");
+
+    OS_TPrintf( "\nDump mic buffer.\n" );
+    for (i=0; i<MY_MIC_BUF_LEN/16; i++)
+    {
+        for (ii=0; ii<16; ii++)
+        {
+            OS_TPrintf( "%4.4x ", micBuf[i*16+ii] );
+        }
+        OS_TPrintf( "\n" );
+    }
+    OS_TPrintf( "\n" );
+
+    OS_TPrintf("\nARM7 ends.\n");
+    OS_Terminate();
+}

build/tests/snd/mic-1/ARM9/Makefile

@@ -0,0 +1,43 @@
+#! make -f
+#----------------------------------------------------------------------------
+# Project:  TwlSDK - SND - demos - channel
+# File:     Makefile
+#
+# Copyright 2007 Nintendo.  All rights reserved.
+#
+# These coded instructions, statements, and computer programs contain
+# proprietary information of Nintendo of America Inc. and/or Nintendo
+# Company Ltd., and are protected by Federal copyright law.  They may
+# not be disclosed to third parties or copied or duplicated in any form,
+# in whole or in part, without the prior written consent of Nintendo.
+#
+# $Log: $
+# $NoKeywords: $
+#----------------------------------------------------------------------------
+
+SUBDIRS		=
+
+
+#----------------------------------------------------------------------------
+
+#TWL_CODEGEN   =       THUMB
+
+TARGET_BIN	=	mic9_1.axf
+
+SRCS		=	main.c
+
+#SRCDIR		=	# using default
+#LCFILE		=	# using default
+
+include	$(TWLSDK_ROOT)/build/buildtools/commondefs
+
+
+#----------------------------------------------------------------------------
+
+do-build:		$(TARGETS)
+
+
+include	$(TWLSDK_ROOT)/build/buildtools/modulerules
+
+
+#===== End of Makefile =====

build/tests/snd/mic-1/ARM9/src/main.c

@@ -0,0 +1,35 @@
+/*---------------------------------------------------------------------------*
+  Project:  TwlSDK - SND - tests - mic-1
+  File:     main.c
+
+  Copyright 2007 Nintendo.  All rights reserved.
+
+  These coded instructions, statements, and computer programs contain
+  proprietary information of Nintendo of America Inc. and/or Nintendo
+  Company Ltd., and are protected by Federal copyright law.  They may
+  not be disclosed to third parties or copied or duplicated in any form,
+  in whole or in part, without the prior written consent of Nintendo.
+
+  $Log: main.c,v $
+  $NoKeywords: $
+ *---------------------------------------------------------------------------*/
+#include <twl.h>
+
+/*---------------------------------------------------------------------------*
+  Name:         TwlMain
+
+  Description:  main
+
+  Arguments:    None
+
+  Returns:      None
+ *---------------------------------------------------------------------------*/
+void TwlMain()
+{
+    OS_Init();
+
+    OS_TPrintf("\nARM9 starts.\n");
+    OS_TPrintf("\nARM9 ends.\n");
+    OS_Terminate();
+}
+

build/tests/snd/mic-1/Makefile

@@ -0,0 +1,32 @@
+#! make -f
+#----------------------------------------------------------------------------
+# Project:  TwlSDK - build
+# File:     Makefile
+#
+# Copyright 2007 Nintendo.  All rights reserved.
+#
+# These coded instructions, statements, and computer programs contain
+# proprietary information of Nintendo of America Inc. and/or Nintendo
+# Company Ltd., and are protected by Federal copyright law.  They may
+# not be disclosed to third parties or copied or duplicated in any form,
+# in whole or in part, without the prior written consent of Nintendo.
+#
+# $Log: $
+# $NoKeywords: $
+#----------------------------------------------------------------------------
+
+include	$(TWLSDK_ROOT)/build/buildtools/commondefs
+
+
+#----------------------------------------------------------------------------
+
+SUBDIRS =	\
+            ARM7 \
+            ARM9 \
+
+#----------------------------------------------------------------------------
+
+include	$(TWLSDK_ROOT)/build/buildtools/modulerules
+
+
+#===== End of Makefile =====

build/tests/snd/mic-2/ARM7/Makefile

@@ -0,0 +1,44 @@
+#! make -f
+#----------------------------------------------------------------------------
+# Project:  TwlSDK - SND - demos - channel
+# File:     Makefile
+#
+# Copyright 2007 Nintendo.  All rights reserved.
+#
+# These coded instructions, statements, and computer programs contain
+# proprietary information of Nintendo of America Inc. and/or Nintendo
+# Company Ltd., and are protected by Federal copyright law.  They may
+# not be disclosed to third parties or copied or duplicated in any form,
+# in whole or in part, without the prior written consent of Nintendo.
+#
+# $Log: $
+# $NoKeywords: $
+#----------------------------------------------------------------------------
+
+SUBDIRS		=
+
+
+#----------------------------------------------------------------------------
+
+#TWL_CODEGEN   =       THUMB
+TWL_PROC      =       ARM7
+
+TARGET_BIN	=	mic7_2.axf
+
+SRCS		=	main.c
+
+#SRCDIR		=	# using default
+#LCFILE		=	# using default
+
+include	$(TWLSDK_ROOT)/build/buildtools/commondefs
+
+
+#----------------------------------------------------------------------------
+
+do-build:		$(TARGETS)
+
+
+include	$(TWLSDK_ROOT)/build/buildtools/modulerules
+
+
+#===== End of Makefile =====

build/tests/snd/mic-2/ARM7/src/main.c

@@ -0,0 +1,207 @@
+/*---------------------------------------------------------------------------*
+  Project:  TwlSDK - tests - snd - mic-2
+  File:     main.c
+
+  Copyright 2007 Nintendo.  All rights reserved.
+
+  These coded instructions, statements, and computer programs contain
+  proprietary information of Nintendo of America Inc. and/or Nintendo
+  Company Ltd., and are protected by Federal copyright law.  They may
+  not be disclosed to third parties or copied or duplicated in any form,
+  in whole or in part, without the prior written consent of Nintendo.
+
+  $Log: main.c,v $
+  $NoKeywords: $
+ *---------------------------------------------------------------------------*/
+
+#include <twl_sp.h>
+#include <twl/mic.h>
+
+#include <math.h>
+
+
+#define ENABLE_PSG
+
+#define MY_MIC_BUF_LEN    0x100
+
+#define MPI  3.14159265358979323846
+
+#define MY_SND_16
+
+#ifdef MY_SND_16
+#define MY_SND_BYTES     2
+#define MY_SND_DATA_MAX  0x7fff
+#define MY_SND_WAVE_FMT  SND_WAVE_FORMAT_PCM16
+#define MY_SND_CAP_FMT   SND_CAPTURE_FORMAT_PCM16
+typedef s16 mySndType;
+#else
+#define MY_SND_BYTES     1
+#define MY_SND_DATA_MAX  0x7f
+#define MY_SND_WAVE_FMT  SND_WAVE_FORMAT_PCM8
+#define MY_SND_CAP_FMT   SND_CAPTURE_FORMAT_PCM8
+typedef s8 mySndType;
+#endif
+
+#define MY_SND_FREQ         0x160  // 0x200
+
+#define MY_SND_BUF_LEN      (0x0400/MY_SND_BYTES)
+#define MY_SND_CAPTURE_LEN  (0x1000/MY_SND_BYTES)
+
+u16       micBuf[MY_MIC_BUF_LEN]  __attribute__ ((aligned (32)));
+
+mySndType wavBuf[2][MY_SND_BUF_LEN]  __attribute__ ((aligned (32)));
+mySndType capBuf[2][MY_SND_CAPTURE_LEN]  __attribute__ ((aligned (32)));
+
+
+static void MY_SndInit( void )
+{
+    OSIntrMode enabled;
+    int i;
+
+    for (i=0; i<MY_SND_BUF_LEN; i++)
+    {
+		wavBuf[0][i] = (mySndType)(sin( 2 * MPI * i / MY_SND_BUF_LEN ) * MY_SND_DATA_MAX);
+	}
+    for (i=0; i<MY_SND_BUF_LEN-1; i++)
+    {
+		wavBuf[1][i] = wavBuf[0][i+1];
+	}
+	wavBuf[1][MY_SND_BUF_LEN-1] = wavBuf[0][0];
+
+    enabled = OS_DisableInterrupts();
+
+    SND_Enable();
+    SND_SetMasterVolume( SND_MASTER_VOLUME_MAX );
+    SND_SetOutputSelector( SND_OUTPUT_MIXER, SND_OUTPUT_MIXER, SND_CHANNEL_OUT_BYPASS, SND_CHANNEL_OUT_BYPASS );
+
+    SND_SetupCapture( SND_CAPTURE_0, MY_SND_CAP_FMT, &capBuf[0], sizeof(capBuf[0])/4, TRUE, 
+                     SND_CAPTURE_IN_MIXER, SND_CAPTURE_OUT_NORMAL );
+
+    SND_SetupCapture( SND_CAPTURE_1, MY_SND_CAP_FMT, &capBuf[1], sizeof(capBuf[1])/4, TRUE, 
+                     SND_CAPTURE_IN_MIXER, SND_CAPTURE_OUT_NORMAL );
+    SND_StartCaptureBoth();
+
+#ifdef ENABLE_PSG
+
+    SND_SetupChannelPsg( 8, SND_DUTY_4_8, SND_CHANNEL_VOLUME_MAX, SND_CHANNEL_DATASHIFT_1BIT, 0x0000, SND_CHANNEL_PAN_CENTER );
+
+    SND_StartChannel( 8 );
+
+#else  // ENABLE_PCM
+
+    SND_SetupChannelPcm( 1, &capBuf[0], MY_SND_WAVE_FMT, SND_CHANNEL_LOOP_REPEAT, 0, sizeof(capBuf[0])/4, 
+                        SND_CHANNEL_VOLUME_MAX, SND_CHANNEL_DATASHIFT_NONE, MY_SND_FREQ, SND_CHANNEL_PAN_MIN );
+    SND_SetupChannelPcm( 3, &capBuf[1], MY_SND_WAVE_FMT, SND_CHANNEL_LOOP_REPEAT, 0, sizeof(capBuf[1])/4, 
+                        SND_CHANNEL_VOLUME_MAX, SND_CHANNEL_DATASHIFT_NONE, MY_SND_FREQ, SND_CHANNEL_PAN_MAX );
+
+    SND_SetupChannelPcm( 0, &wavBuf[0], MY_SND_WAVE_FMT, SND_CHANNEL_LOOP_REPEAT, 0, sizeof(wavBuf[0])/4, 
+                        SND_CHANNEL_VOLUME_MAX, SND_CHANNEL_DATASHIFT_NONE, MY_SND_FREQ, SND_CHANNEL_PAN_MIN );
+    SND_SetupChannelPcm( 2, &wavBuf[1], MY_SND_WAVE_FMT, SND_CHANNEL_LOOP_REPEAT, 0, sizeof(wavBuf[1])/4, 
+                        SND_CHANNEL_VOLUME_MAX, SND_CHANNEL_DATASHIFT_NONE, MY_SND_FREQ, SND_CHANNEL_PAN_MAX );
+
+    SND_StartChannel( 1 );
+    SND_StartChannel( 3 );
+
+    SND_StartChannel( 0 );
+    SND_StartChannel( 2 );
+
+#endif  // ENABLE_PCM
+
+    (void)OS_RestoreInterrupts(enabled);
+}
+
+
+static void MY_SndTerminate( void )
+{
+    int i;
+    OSIntrMode enabled = OS_DisableInterrupts();
+
+	SND_StopCapture( SND_CAPTURE_0 );
+	SND_StopCapture( SND_CAPTURE_1 );
+
+    for (i=0; i<16; i++)
+    {
+        SND_StopChannel( i, 0 );
+    }
+
+    (void)OS_RestoreInterrupts(enabled);
+}
+
+static void PrintfCaptureBuf( int startIdx )
+{
+	int i, ii;
+
+    for (i=0; i<2; i++)
+    {
+        OS_TPrintf( "%s : ", i ==0 ? "L" : "R" );
+        for (ii=0; ii<16; ii++)
+        {
+            OS_TPrintf( MY_SND_BYTES == 2 ? "%4.4x " : "%2.2x ", (u16)capBuf[i][startIdx + ii] );
+        }
+        OS_TPrintf( "\n" );
+    }
+}
+
+static void CheckSound( void )
+{
+   int i;
+
+    OS_TPrintf( "\nDump reverb buffer.\n" );
+    OS_TPrintf( "[Top]\n" );
+    PrintfCaptureBuf( 0 );
+    OS_TPrintf( "[Bottom]\n" );
+    PrintfCaptureBuf( MY_SND_CAPTURE_LEN - 16 );
+
+    OS_TPrintf( "\nDump mic buffer.\n" );
+    for (i=0; i<16; i++)
+    {
+        OS_TPrintf( "%4.4x ", micBuf[i] );
+    }
+    OS_TPrintf( "\n" );
+}
+
+static void TestFunc( void )
+{
+	MY_SndInit();
+    OS_TPrintf( "\nSound starts.\n" );
+
+	MICi_Start( MIC_SMP_ALL, MIC_DEFAULT_DMA_NO, micBuf, sizeof(micBuf) );
+    OS_TPrintf( "\nMIC starts.\n");
+
+    OS_SpinWait( OS_MSEC_TO_CPUCYC( 60 ) );
+
+	MICi_Stop();
+    OS_TPrintf( "\nMIC stops.\n");
+
+    MY_SndTerminate();
+    OS_TPrintf( "\nSound stops.\n" );
+
+	CheckSound();
+}
+
+void TwlSpMain(void)
+{
+    OS_Init();
+
+    OS_TPrintf("\nARM7 starts.\n");
+
+	// round robin dma test
+    OS_TPrintf( "\nChange Round Robin Mode.\n" );
+
+    MIi_SetExDmaArbitration( MI_EXDMAGBL_ARB_PRIORITY );
+
+	TestFunc();
+
+    OS_SpinWait( OS_MSEC_TO_CPUCYC( 60 ) );
+
+	// priority dma test
+    OS_TPrintf( "\nChange Priority Mode.\n" );
+
+    MIi_SetExDmaArbitration( MI_EXDMAGBL_ARB_ROUND_ROBIN );
+    MIi_SetExDmaYieldCycles( MI_EXDMAGBL_YLD_CYCLE_DEFAULT );
+
+	TestFunc();
+
+    OS_TPrintf("\nARM7 ends.\n");
+    OS_Terminate();
+}

build/tests/snd/mic-2/ARM9/Makefile

@@ -0,0 +1,43 @@
+#! make -f
+#----------------------------------------------------------------------------
+# Project:  TwlSDK - SND - demos - channel
+# File:     Makefile
+#
+# Copyright 2007 Nintendo.  All rights reserved.
+#
+# These coded instructions, statements, and computer programs contain
+# proprietary information of Nintendo of America Inc. and/or Nintendo
+# Company Ltd., and are protected by Federal copyright law.  They may
+# not be disclosed to third parties or copied or duplicated in any form,
+# in whole or in part, without the prior written consent of Nintendo.
+#
+# $Log: $
+# $NoKeywords: $
+#----------------------------------------------------------------------------
+
+SUBDIRS		=
+
+
+#----------------------------------------------------------------------------
+
+#TWL_CODEGEN   =       THUMB
+
+TARGET_BIN	=	mic9_2.axf
+
+SRCS		=	main.c
+
+#SRCDIR		=	# using default
+#LCFILE		=	# using default
+
+include	$(TWLSDK_ROOT)/build/buildtools/commondefs
+
+
+#----------------------------------------------------------------------------
+
+do-build:		$(TARGETS)
+
+
+include	$(TWLSDK_ROOT)/build/buildtools/modulerules
+
+
+#===== End of Makefile =====

build/tests/snd/mic-2/ARM9/src/main.c

@@ -0,0 +1,35 @@
+/*---------------------------------------------------------------------------*
+  Project:  TwlSDK - SND - tests - mic-2
+  File:     main.c
+
+  Copyright 2007 Nintendo.  All rights reserved.
+
+  These coded instructions, statements, and computer programs contain
+  proprietary information of Nintendo of America Inc. and/or Nintendo
+  Company Ltd., and are protected by Federal copyright law.  They may
+  not be disclosed to third parties or copied or duplicated in any form,
+  in whole or in part, without the prior written consent of Nintendo.
+
+  $Log: main.c,v $
+  $NoKeywords: $
+ *---------------------------------------------------------------------------*/
+#include <twl.h>
+
+/*---------------------------------------------------------------------------*
+  Name:         TwlMain
+
+  Description:  main
+
+  Arguments:    None
+
+  Returns:      None
+ *---------------------------------------------------------------------------*/
+void TwlMain()
+{
+    OS_Init();
+
+    OS_TPrintf("\nARM9 starts.\n");
+    OS_TPrintf("\nARM9 ends.\n");
+    OS_Terminate();
+}
+

build/tests/snd/mic-2/Makefile

@@ -0,0 +1,32 @@
+#! make -f
+#----------------------------------------------------------------------------
+# Project:  TwlSDK - build
+# File:     Makefile
+#
+# Copyright 2007 Nintendo.  All rights reserved.
+#
+# These coded instructions, statements, and computer programs contain
+# proprietary information of Nintendo of America Inc. and/or Nintendo
+# Company Ltd., and are protected by Federal copyright law.  They may
+# not be disclosed to third parties or copied or duplicated in any form,
+# in whole or in part, without the prior written consent of Nintendo.
+#
+# $Log: $
+# $NoKeywords: $
+#----------------------------------------------------------------------------
+
+include	$(TWLSDK_ROOT)/build/buildtools/commondefs
+
+
+#----------------------------------------------------------------------------
+
+SUBDIRS =	\
+            ARM7 \
+            ARM9 \
+
+#----------------------------------------------------------------------------
+
+include	$(TWLSDK_ROOT)/build/buildtools/modulerules
+
+
+#===== End of Makefile =====

include/twl.h

@@ -21,6 +21,7 @@
 #include <twl/os.h>
 #include <twl/mi.h>
 #include <twl/aes.h>
+#include <twl/mic.h>
 #ifdef SDK_DEBUGGER_KMC
 #include <twl/vlink.h>
 #endif // SDK_DEBUGGER_KMC

include/twl/mic.h

@@ -0,0 +1,25 @@
+/*---------------------------------------------------------------------------*
+  Project:  TwlSDK - include - MIC
+  File:     mic.h
+
+  Copyright 2007 Nintendo.  All rights reserved.
+
+  These coded instructions, statements, and computer programs contain
+  proprietary information of Nintendo of America Inc. and/or Nintendo
+  Company Ltd., and are protected by Federal copyright law.  They may
+  not be disclosed to third parties or copied or duplicated in any form,
+  in whole or in part, without the prior written consent of Nintendo.
+
+  $Log: $
+  $NoKeywords: $
+ *---------------------------------------------------------------------------*/
+
+#ifndef TWL_MIC_H_
+#define TWL_MIC_H_
+
+#ifdef SDK_ARM7
+#include <twl/snd/ARM7/snd_mic.h>
+#endif // SDK_ARM7
+
+/* TWL_MIC_H_ */
+#endif

include/twl/os/common/system.h

@@ -35,6 +35,25 @@ typedef enum
 }
 OSChipType;
 
+typedef u32 OSCpuCycle;
+
+#define OS_CPU_CLOCK                   HW_CPU_CLOCK
+
+//---- sec to cpu cycle
+// 150nsec - 30sec
+#define  OS_SEC_TO_CPUCYC(  sec  ) ((OSCpuCycle)( ( OS_CPU_CLOCK * (u32)(sec)) ))
+#define  OS_MSEC_TO_CPUCYC( msec ) ((OSCpuCycle)( ((OS_CPU_CLOCK/1000) * (u32)(msec)) ))
+#define  OS_USEC_TO_CPUCYC( usec ) ((OSCpuCycle)( ((OS_CPU_CLOCK/1000) * (u32)(usec)) / 1000 ))
+#define  OS_NSEC_TO_CPUCYC( nsec ) ((OSCpuCycle)( ((OS_CPU_CLOCK/1000) * (u32)(nsec)) / (1000 * 1000) ))
+
+//---- cpu cycle to sec
+// 150nsec - 30sec
+#define  OS_CPUCYC_TO_SEC(  cyc ) ( ((u32)(cyc) ) / OS_CPU_CLOCK )
+#define  OS_CPUCYC_TO_MSEC( cyc ) ( ((u32)(cyc) ) / (OS_CPU_CLOCK/1000) )
+#define  OS_CPUCYC_TO_USEC( cyc ) ( ((u32)(cyc) * 1000) / (OS_CPU_CLOCK/1000) )
+#define  OS_CPUCYC_TO_NSEC( cyc ) ( ((u32)(cyc) * 1000 * 1000) / (OS_CPU_CLOCK/1000) )
+
+
 
 #ifdef __cplusplus
 } /* extern "C" */

include/twl/snd/ARM7/snd_mic.h

@@ -0,0 +1,86 @@
+/*---------------------------------------------------------------------------*
+  Project:  CtrSDK - MIC - include
+  File:     snd_mic.h
+
+  Copyright 2006 Nintendo.  All rights reserved.
+
+  These coded instructions, statements, and computer programs contain
+  proprietary information of Nintendo of America Inc. and/or Nintendo
+  Company Ltd., and are protected by Federal copyright law.  They may
+  not be disclosed to third parties or copied or duplicated in any form,
+  in whole or in part, without the prior written consent of Nintendo.
+
+  $Log: $
+  $NoKeywords: $
+ *---------------------------------------------------------------------------*/
+#ifndef TWL_SND_MIC_H_
+#define TWL_SND_MIC_H_
+
+#include <twl/types.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum
+{
+    MIC_INTR_DISABLE        =  (0x0UL << REG_SND_MICCNT_IM_SHIFT),
+    MIC_INTR_HALF           =  (0x1UL << REG_SND_MICCNT_IM_SHIFT),
+    MIC_INTR_OVERFLOW       =  (0x2UL << REG_SND_MICCNT_IM_SHIFT),
+    MIC_INTR_HALF_OVERFLOW  =  (0x3UL << REG_SND_MICCNT_IM_SHIFT)
+}
+MICIntrCond;
+
+typedef enum
+{
+    MIC_SMP_ALL             =  (0x0UL << REG_SND_MICCNT_FIFO_SMP_SHIFT),
+    MIC_SMP_1_2             =  (0x1UL << REG_SND_MICCNT_FIFO_SMP_SHIFT),
+    MIC_SMP_1_3             =  (0x2UL << REG_SND_MICCNT_FIFO_SMP_SHIFT),
+    MIC_SMP_1_4             =  (0x3UL << REG_SND_MICCNT_FIFO_SMP_SHIFT)
+}
+MICSampleRate;
+
+
+typedef struct
+{
+    u32     dmaNo;          // DMA No
+    void*   buf;
+    s32     bufSize;
+}
+MICWork;
+
+
+#define MIC_DEFAULT_DMA_NO    6
+
+
+/*---------------------------------------------------------------------------*
+  Name:         MICi_Start
+
+  Description:  start MIC
+
+  Arguments:    id : slave id
+
+  Returns:      None
+ *---------------------------------------------------------------------------*/
+void MICi_Start( MICSampleRate smp, u32 dmaNo, void *dest, s32 size );
+
+/*---------------------------------------------------------------------------*
+  Name:         MICi_Stop
+
+  Description:  stop MIC
+
+  Arguments:    None
+
+  Returns:      None
+ *---------------------------------------------------------------------------*/
+void MICi_Stop( void );
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+
+#endif
+
+/* TWL_SND_MIC_H_ */
+#endif