audio.htm

example about how to use USB port in application audio with lpc2148

</UL>

<P><STRONG><a name="[c61bb8]"></a>USB_SetStallEP</STRONG> (Thumb, 30 bytes, Stack size 12 bytes, usbhw.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 12<LI>Call Chain = USB_SetStallEP
</UL>
<BR>[Calls]<UL><LI><a href="#[c62038]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;WrCmdDat
<LI><a href="#[c620c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;EPAdr
</UL>
<BR>[Called By]<UL><LI><a href="#[c5f7a0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_SetClrFeature
<LI><a href="#[c5f878]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_EndPoint0
</UL>

<P><STRONG><a name="[c61b70]"></a>USB_ClrStallEP</STRONG> (Thumb, 30 bytes, Stack size 12 bytes, usbhw.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 12<LI>Call Chain = USB_ClrStallEP
</UL>
<BR>[Calls]<UL><LI><a href="#[c62038]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;WrCmdDat
<LI><a href="#[c620c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;EPAdr
</UL>
<BR>[Called By]<UL><LI><a href="#[c5f7a0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_SetClrFeature
<LI><a href="#[c5f878]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_EndPoint0
</UL>

<P><STRONG><a name="[c61b28]"></a>USB_ReadEP</STRONG> (Thumb, 110 bytes, Stack size 24 bytes, usbhw.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = USB_ReadEP
</UL>
<BR>[Calls]<UL><LI><a href="#[c59c98]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_uwrite4
<LI><a href="#[c62080]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;WrCmd
<LI><a href="#[c620c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;EPAdr
</UL>
<BR>[Called By]<UL><LI><a href="#[c5f8c0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_StatusOutStage
<LI><a href="#[c5f950]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_DataOutStage
<LI><a href="#[c5f9e0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_SetupStage
<LI><a href="#[c61978]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_SOF_Event
</UL>

<P><STRONG><a name="[c61ae0]"></a>USB_WriteEP</STRONG> (Thumb, 88 bytes, Stack size 24 bytes, usbhw.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = USB_WriteEP
</UL>
<BR>[Calls]<UL><LI><a href="#[c59e48]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_uread4
<LI><a href="#[c62080]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;WrCmd
<LI><a href="#[c620c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;EPAdr
</UL>
<BR>[Called By]<UL><LI><a href="#[c5f908]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_StatusInStage
<LI><a href="#[c5f998]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_DataInStage
</UL>

<P><STRONG><a name="[c61a98]"></a>USB_GetFrame</STRONG> (Thumb, 32 bytes, Stack size 4 bytes, usbhw.o(.text), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[c61ff0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;RdCmdDat
<LI><a href="#[c62080]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;WrCmd
</UL>

<P><STRONG><a name="[c62110]"></a>USB_ISR</STRONG> (ARM, 404 bytes, Stack size 40 bytes, usbhw.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 72<LI>Call Chain = USB_ISR &rArr; USB_SOF_Event &rArr; USB_ReadEP
</UL>
<BR>[Calls]<UL><LI><a href="#[c61978]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_SOF_Event (via Veneer)
<LI><a href="#[c619c0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_Reset_Event (via Veneer)
<LI><a href="#[c61ed0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_Suspend (via Veneer)
<LI><a href="#[c61f18]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_Resume (via Veneer)
<LI><a href="#[c61f60]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_Reset (via Veneer)
<LI><a href="#[c61ff0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;RdCmdDat (via Veneer)
<LI><a href="#[c62080]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;WrCmd (via Veneer)
</UL>
<BR>[Address Reference Count : 1]<UL><LI> usbhw.o(.text)
</UL>
<P><STRONG><a name="[c5fa28]"></a>USB_ResetCore</STRONG> (Thumb, 28 bytes, Stack size 0 bytes, usbcore.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c619c0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_Reset_Event
</UL>

<P><STRONG><a name="[c5f9e0]"></a>USB_SetupStage</STRONG> (Thumb, 16 bytes, Stack size 8 bytes, usbcore.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 32<LI>Call Chain = USB_SetupStage &rArr; USB_ReadEP
</UL>
<BR>[Calls]<UL><LI><a href="#[c61b28]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_ReadEP
</UL>
<BR>[Called By]<UL><LI><a href="#[c5f878]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_EndPoint0
</UL>

<P><STRONG><a name="[c5f998]"></a>USB_DataInStage</STRONG> (Thumb, 56 bytes, Stack size 8 bytes, usbcore.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 32<LI>Call Chain = USB_DataInStage &rArr; USB_WriteEP
</UL>
<BR>[Calls]<UL><LI><a href="#[c61ae0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_WriteEP
</UL>
<BR>[Called By]<UL><LI><a href="#[c5f7e8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_GetStatus
<LI><a href="#[c5f830]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_GetDescriptor
<LI><a href="#[c5f878]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_EndPoint0
</UL>

<P><STRONG><a name="[c5f950]"></a>USB_DataOutStage</STRONG> (Thumb, 38 bytes, Stack size 8 bytes, usbcore.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 32<LI>Call Chain = USB_DataOutStage &rArr; USB_ReadEP
</UL>
<BR>[Calls]<UL><LI><a href="#[c61b28]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_ReadEP
</UL>
<BR>[Called By]<UL><LI><a href="#[c5f878]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_EndPoint0
</UL>

<P><STRONG><a name="[c5f908]"></a>USB_StatusInStage</STRONG> (Thumb, 18 bytes, Stack size 8 bytes, usbcore.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 32<LI>Call Chain = USB_StatusInStage &rArr; USB_WriteEP
</UL>
<BR>[Calls]<UL><LI><a href="#[c61ae0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_WriteEP
</UL>
<BR>[Called By]<UL><LI><a href="#[c5f878]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_EndPoint0
</UL>

<P><STRONG><a name="[c5f8c0]"></a>USB_StatusOutStage</STRONG> (Thumb, 16 bytes, Stack size 8 bytes, usbcore.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 32<LI>Call Chain = USB_StatusOutStage &rArr; USB_ReadEP
</UL>
<BR>[Calls]<UL><LI><a href="#[c61b28]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_ReadEP
</UL>
<BR>[Called By]<UL><LI><a href="#[c5f878]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_EndPoint0
</UL>

<P><STRONG><a name="[c5f878]"></a>USB_EndPoint0</STRONG> (Thumb, 728 bytes, Stack size 8 bytes, usbcore.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 60<LI>Call Chain = USB_EndPoint0 &rArr; USB_SetInterface &rArr; USB_ResetEP
</UL>
<BR>[Calls]<UL><LI><a href="#[c5a450]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_switch8 (via Veneer)
<LI><a href="#[c5f5f0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;ADC_IF_SetRequest
<LI><a href="#[c5f638]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;ADC_IF_GetRequest
<LI><a href="#[c5f680]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;ADC_EP_SetRequest
<LI><a href="#[c5f6c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;ADC_EP_GetRequest
<LI><a href="#[c5f710]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_SetInterface
<LI><a href="#[c5f758]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_SetConfiguration
<LI><a href="#[c5f7a0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_SetClrFeature
<LI><a href="#[c5f7e8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_GetStatus
<LI><a href="#[c5f830]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_GetDescriptor
<LI><a href="#[c5f8c0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_StatusOutStage
<LI><a href="#[c5f908]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_StatusInStage
<LI><a href="#[c5f950]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_DataOutStage
<LI><a href="#[c5f998]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_DataInStage
<LI><a href="#[c5f9e0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_SetupStage
<LI><a href="#[c61b70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_ClrStallEP
<LI><a href="#[c61bb8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_SetStallEP
<LI><a href="#[c61cd8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_DirCtrlEP
<LI><a href="#[c61fa8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_SetAddress
</UL>
<BR>[Address Reference Count : 1]<UL><LI> usbuser.o(.constdata)
</UL>
<P><STRONG><a name="[c619c0]"></a>USB_Reset_Event</STRONG> (Thumb, 12 bytes, Stack size 8 bytes, usbuser.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = USB_Reset_Event
</UL>
<BR>[Calls]<UL><LI><a href="#[c5fa28]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_ResetCore
</UL>
<BR>[Called By]<UL><LI><a href="#[c62110]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_ISR (via Veneer)
</UL>

<P><STRONG><a name="[c61978]"></a>USB_SOF_Event</STRONG> (Thumb, 88 bytes, Stack size 8 bytes, usbuser.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 32<LI>Call Chain = USB_SOF_Event &rArr; USB_ReadEP
</UL>
<BR>[Calls]<UL><LI><a href="#[c61b28]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_ReadEP
</UL>
<BR>[Called By]<UL><LI><a href="#[c62110]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_ISR (via Veneer)
</UL>

<P><STRONG><a name="[c5d658]"></a>USB_EndPoint1</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, usbuser.o(.text), UNUSED)

<P><STRONG><a name="[c5d610]"></a>USB_EndPoint2</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, usbuser.o(.text), UNUSED)

<P><STRONG><a name="[c5d5c8]"></a>USB_EndPoint3</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, usbuser.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> usbuser.o(.constdata)
</UL>
<P><STRONG><a name="[c5d580]"></a>USB_EndPoint4</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, usbuser.o(.text), UNUSED)

<P><STRONG><a name="[c5d538]"></a>USB_EndPoint5</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, usbuser.o(.text), UNUSED)

<P><STRONG><a name="[c5d4f0]"></a>USB_EndPoint6</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, usbuser.o(.text), UNUSED)

<P><STRONG><a name="[c5d4a8]"></a>USB_EndPoint7</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, usbuser.o(.text), UNUSED)

<P><STRONG><a name="[c5d460]"></a>USB_EndPoint8</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, usbuser.o(.text), UNUSED)

<P><STRONG><a name="[c5d418]"></a>USB_EndPoint9</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, usbuser.o(.text), UNUSED)

<P><STRONG><a name="[c5d3d0]"></a>USB_EndPoint10</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, usbuser.o(.text), UNUSED)

<P><STRONG><a name="[c5d388]"></a>USB_EndPoint11</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, usbuser.o(.text), UNUSED)

<P><STRONG><a name="[c5d340]"></a>USB_EndPoint12</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, usbuser.o(.text), UNUSED)

<P><STRONG><a name="[c5d2f8]"></a>USB_EndPoint13</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, usbuser.o(.text), UNUSED)

<P><STRONG><a name="[c5d2b0]"></a>USB_EndPoint14</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, usbuser.o(.text), UNUSED)

<P><STRONG><a name="[c5d268]"></a>USB_EndPoint15</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, usbuser.o(.text), UNUSED)

<P><STRONG><a name="[c5f638]"></a>ADC_IF_GetRequest</STRONG> (Thumb, 150 bytes, Stack size 0 bytes, adcuser.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c5f878]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_EndPoint0
</UL>

<P><STRONG><a name="[c5f5f0]"></a>ADC_IF_SetRequest</STRONG> (Thumb, 96 bytes, Stack size 0 bytes, adcuser.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c5f878]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_EndPoint0
</UL>

<P><STRONG><a name="[c5f6c8]"></a>ADC_EP_GetRequest</STRONG> (Thumb, 4 bytes, Stack size 0 bytes, adcuser.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c5f878]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_EndPoint0
</UL>

<P><STRONG><a name="[c5f680]"></a>ADC_EP_SetRequest</STRONG> (Thumb, 4 bytes, Stack size 0 bytes, adcuser.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c5f878]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;USB_EndPoint0