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moved the flow of changing USB descriptor values to XUA_Endpoint0_init()

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This commit is contained in:
Keith Au
2020-02-13 14:17:46 +08:00
parent 86c8bc9128
commit 40a2ac6d73
1 changed files with 32 additions and 36 deletions
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68
lib_xua/src/core/endpoint0/xua_endpoint0.c
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@@ -95,7 +95,6 @@ int min(int x, int y);
/* Global current device config var*/
extern unsigned char g_currentConfig;
/* Global endpoint status arrays - declared in usb_device.xc */
extern unsigned char g_interfaceAlt[];
@@ -308,6 +307,38 @@ void XUA_Endpoint0_init(chanend c_ep0_out, chanend c_ep0_in, chanend c_audioCont
}
#endif
#ifdef USB_DESCRIPTOR_OVERRIDE_RATE_RES //change USB descriptor frequencies and bit resolution values here
cfgDesc_Audio1[USB_AS_IN_INTERFACE_DESCRIPTOR_OFFSET_SUB_FRAME] = xua_lite_curUSB_Res_In() >> 3; //sub frame rate = bit rate /8
cfgDesc_Audio1[USB_AS_IN_INTERFACE_DESCRIPTOR_OFFSET_SUB_FRAME + 1] = (xua_lite_curUSB_Res_In() & 0xff); //bit resolution
cfgDesc_Audio1[USB_AS_OUT_INTERFACE_DESCRIPTOR_OFFSET_SUB_FRAME] = xua_lite_curUSB_Res_Out() >> 3; //sub frame rate = bit rate /8
cfgDesc_Audio1[USB_AS_OUT_INTERFACE_DESCRIPTOR_OFFSET_SUB_FRAME + 1] = (xua_lite_curUSB_Res_Out() & 0xff); //bit resolution
const unsigned num_of_usb_descriptor_freq=3; //This should be =3 according to the comments "sing a value of <=2 or > 7 for num_freqs_a1 causes enumeration issues on Windows" in xua_ep0_descriptors.h
int i=0;
for(i=0;i<num_of_usb_descriptor_freq;i++)
{
cfgDesc_Audio1[USB_AS_IN_INTERFACE_DESCRIPTOR_OFFSET_FREQ + 3*i] = xua_lite_curAudOutFreq() & 0xff;
cfgDesc_Audio1[USB_AS_IN_INTERFACE_DESCRIPTOR_OFFSET_FREQ + 3*i + 1] = (xua_lite_curAudOutFreq() & 0xff00)>> 8;
cfgDesc_Audio1[USB_AS_IN_INTERFACE_DESCRIPTOR_OFFSET_FREQ + 3*i + 2] = (xua_lite_curAudOutFreq() & 0xff0000)>> 16;
}
for(i=0;i<num_of_usb_descriptor_freq;i++)
{
cfgDesc_Audio1[USB_AS_OUT_INTERFACE_DESCRIPTOR_OFFSET_FREQ + 3*i] = xua_lite_curAudInFreq() & 0xff;
cfgDesc_Audio1[USB_AS_OUT_INTERFACE_DESCRIPTOR_OFFSET_FREQ + 3*i + 1] = (xua_lite_curAudInFreq() & 0xff00)>> 8;
cfgDesc_Audio1[USB_AS_OUT_INTERFACE_DESCRIPTOR_OFFSET_FREQ + 3*i + 2] = (xua_lite_curAudInFreq() & 0xff0000)>> 16;
}
cfgDesc_Audio1[USB_AS_IN_EP_DESCRIPTOR_OFFSET_MAXPACKETSIZE] = ((xua_lite_curUSB_Res_In() >> 3) * MAX_PACKET_SIZE_MULT_IN_FS) & 0xff; //max packet size
cfgDesc_Audio1[USB_AS_IN_EP_DESCRIPTOR_OFFSET_MAXPACKETSIZE + 1] = (((xua_lite_curUSB_Res_In() >> 3) * MAX_PACKET_SIZE_MULT_IN_FS) & 0xff00) >> 8; //max packet size
cfgDesc_Audio1[USB_AS_OUT_EP_DESCRIPTOR_OFFSET_MAXPACKETSIZE] = ((xua_lite_curUSB_Res_Out() >> 3) * MAX_PACKET_SIZE_MULT_OUT_FS) & 0xff; //max packet size
cfgDesc_Audio1[USB_AS_OUT_EP_DESCRIPTOR_OFFSET_MAXPACKETSIZE + 1] = (((xua_lite_curUSB_Res_Out() >> 3) * MAX_PACKET_SIZE_MULT_OUT_FS) & 0xff00) >> 8; //max packet size
#endif
}
void XUA_Endpoint0_loop(XUD_Result_t result, USB_SetupPacket_t sp, chanend c_ep0_out, chanend c_ep0_in, chanend c_audioControl,
@@ -785,41 +816,6 @@ void XUA_Endpoint0_loop(XUD_Result_t result, USB_SetupPacket_t sp, chanend c_ep0
#endif
#elif (AUDIO_CLASS == 1)
/* Return Audio 1.0 Descriptors in FS, should never be in HS! */
#ifdef USB_DESCRIPTOR_OVERRIDE_RATE_RES //change USB descriptor frequencies and bit resolution values here
cfgDesc_Audio1[USB_AS_IN_INTERFACE_DESCRIPTOR_OFFSET_SUB_FRAME] = xua_lite_curUSB_Res_In() >> 3; //sub frame rate = bit rate /8
cfgDesc_Audio1[USB_AS_IN_INTERFACE_DESCRIPTOR_OFFSET_SUB_FRAME + 1] = (xua_lite_curUSB_Res_In() & 0xff); //bit resolution
cfgDesc_Audio1[USB_AS_OUT_INTERFACE_DESCRIPTOR_OFFSET_SUB_FRAME] = xua_lite_curUSB_Res_Out() >> 3; //sub frame rate = bit rate /8
cfgDesc_Audio1[USB_AS_OUT_INTERFACE_DESCRIPTOR_OFFSET_SUB_FRAME + 1] = (xua_lite_curUSB_Res_Out() & 0xff); //bit resolution
int i=0;
for(i=0;i<3;i++)
{
cfgDesc_Audio1[USB_AS_IN_INTERFACE_DESCRIPTOR_OFFSET_FREQ + 3*i] = xua_lite_curAudOutFreq() & 0xff;
cfgDesc_Audio1[USB_AS_IN_INTERFACE_DESCRIPTOR_OFFSET_FREQ + 3*i + 1] = (xua_lite_curAudOutFreq() & 0xff00)>> 8;
cfgDesc_Audio1[USB_AS_IN_INTERFACE_DESCRIPTOR_OFFSET_FREQ + 3*i + 2] = (xua_lite_curAudOutFreq() & 0xff0000)>> 16;
}
for(i=0;i<3;i++)
{
cfgDesc_Audio1[USB_AS_OUT_INTERFACE_DESCRIPTOR_OFFSET_FREQ + 3*i] = xua_lite_curAudInFreq() & 0xff;
cfgDesc_Audio1[USB_AS_OUT_INTERFACE_DESCRIPTOR_OFFSET_FREQ + 3*i + 1] = (xua_lite_curAudInFreq() & 0xff00)>> 8;
cfgDesc_Audio1[USB_AS_OUT_INTERFACE_DESCRIPTOR_OFFSET_FREQ + 3*i + 2] = (xua_lite_curAudInFreq() & 0xff0000)>> 16;
}
cfgDesc_Audio1[USB_AS_IN_EP_DESCRIPTOR_OFFSET_MAXPACKETSIZE] = ((xua_lite_curUSB_Res_In() >> 3) * MAX_PACKET_SIZE_MULT_IN_FS) & 0xff; //max packet size
cfgDesc_Audio1[USB_AS_IN_EP_DESCRIPTOR_OFFSET_MAXPACKETSIZE + 1] = (((xua_lite_curUSB_Res_In() >> 3) * MAX_PACKET_SIZE_MULT_IN_FS) & 0xff00) >> 8; //max packet size
cfgDesc_Audio1[USB_AS_OUT_EP_DESCRIPTOR_OFFSET_MAXPACKETSIZE] = ((xua_lite_curUSB_Res_Out() >> 3) * MAX_PACKET_SIZE_MULT_OUT_FS) & 0xff; //max packet size
cfgDesc_Audio1[USB_AS_OUT_EP_DESCRIPTOR_OFFSET_MAXPACKETSIZE + 1] = (((xua_lite_curUSB_Res_Out() >> 3) * MAX_PACKET_SIZE_MULT_OUT_FS) & 0xff00) >> 8; //max packet size
#endif
result = USB_StandardRequests(ep0_out, ep0_in,
null, 0,
null, 0,