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MAX_PACKET_SIZE_OUT_AUDIO_2 define added (currently not used)

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This commit is contained in:
Ross Owen
2013-09-16 22:50:14 +01:00
parent 068675b126
commit 212cb68cfa
1 changed files with 10 additions and 1 deletions
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11
module_usb_audio/endpoint0/descriptors.h
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@@ -319,6 +319,13 @@ unsigned char hidReportDescriptor[] = {
/* We need to this for patching descriptor for audio class 1.0 mode changing */
#define STREAMING_ALT1_OFFSET (CONFIG_DESC_LENGTH + INTERFACE_ASS_LENGTH + AUD_CTRL_INT_LENGTH + TLEN_AC + AUD_INT_EP_LEN + 9 + 9 + 0x10)
/* Max packet sizes:
* Samples per channel. e.g (192000+7999/8000) = 24
* Must allow 1 sample extra per chan (24 + 1) = 25
* Multiply by number of channels and bytes 25 * 2 * 4 = 200 bytes
*/
#define MAX_PACKET_SIZE_OUT_AUDIO_2 ((((MAX_FREQ+7999)/8000)+1) * NUM_USB_CHAN_OUT * 4)
/* Configuration Descriptor for Audio 2.0 (HS) operation */
unsigned char cfgDesc_Audio2[] =
{
@@ -850,7 +857,9 @@ unsigned char cfgDesc_Audio2[] =
USB_ENDPOINT, /* 1 bDescriptorType: ENDPOINT */
0x01, /* 2 bEndpointAddress (D7: 0:out, 1:in) */
0x05, /* 3 bmAttributes (bitmap) */
0,4, /* 4 wMaxPacketSize */
//(MAX_PACKET_SIZE_OUT_AUDIO_2)&0xff, /* 4 wMaxPacketSize */
//(MAX_PACKET_SIZE_OUT_AUDIO_2&0xff00)>>8, /* 5 wMaxPacketSize */
0, 4,
1, /* 6 bInterval */
/* Class-Specific AS Isochronous Audio Data Endpoint Descriptor (4.10.1.2) */