forked from PAWPAW-Mirror/lib_xua
668 lines
27 KiB
Plaintext
Executable File
668 lines
27 KiB
Plaintext
Executable File
/**
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* @file endpoint0.xc
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* @brief Implements endpoint zero for an USB Audio 1.0/2.0 device
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* @author Ross Owen, XMOS Semiconductor
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*/
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#include <xs1.h>
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#include <safestring.h>
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#include "xud.h" /* XUD user defines and functions */
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#include "usb.h" /* Defines from USB 2.0 Spec */
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#include "usbaudio20.h" /* Defines from USB Audio 2.0 spec */
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#include "devicedefines.h"
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#include "usb_device.h" /* Standard descriptor requests */
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#include "descriptors.h" /* This devices descriptors */
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#include "commands.h"
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#include "audiostream.h"
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#include "hostactive.h"
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#include "vendorrequests.h"
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#include "dfu_types.h"
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#include "xc_ptr.h"
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#ifdef HID_CONTROLS
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#include "hid.h"
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#endif
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#if DSD_CHANS_DAC > 0
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#include "dsd_support.h"
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#endif
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/* Some warnings.... */
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/* Windows does not have a built in DFU driver (windows will prompt), so warn that DFU will not be functional in Audio 1.0 mode */
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#if ((AUDIO_CLASS==1) || defined(AUDIO_CLASS_FALLBACK)) && defined(DFU)
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#warning DFU will not be enabled in AUDIO 1.0 mode due to Windows requesting driver
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#endif
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/* MIDI not supported in Audio 1.0 mode */
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#if ((AUDIO_CLASS==1) || defined(AUDIO_CLASS_FALLBACK)) && defined(MIDI)
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#warning MIDI is currently not supported and will not be enabled in AUDIO 1.0 mode
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#endif
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/* If PID_DFU not defined, standard PID used.. this is probably what we want.. */
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#ifndef PID_DFU
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#warning PID_DFU not defined, Using PID_AUDIO_2. This is probably fine!
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#endif
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#ifdef DFU
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#include "dfu.h"
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#define DFU_IF_NUM INPUT_INTERFACES + OUTPUT_INTERFACES + MIDI_INTERFACES + 1
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unsigned int DFU_mode_active = 0; // 0 - App active, 1 - DFU active
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extern void device_reboot(chanend);
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#endif
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/* Handles Audio Class requests */
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int AudioClassRequests_2(XUD_ep ep0_out, XUD_ep ep0_in, USB_SetupPacket_t &sp, chanend c_audioControl, chanend ?c_mix_ctl, chanend ?c_clk_ctl);
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int AudioClassRequests_1(XUD_ep ep0_out, XUD_ep ep0_in, USB_SetupPacket_t &sp, chanend c_audioControl, chanend ?c_mix_ctl, chanend ?c_clk_ctl);
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int AudioEndpointRequests_1(XUD_ep ep0_out, XUD_ep ep0_in, USB_SetupPacket_t &sp, chanend c_audioControl, chanend ?c_mix_ctl, chanend ?c_clk_ctl);
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/* Global volume and mute tables */
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int volsOut[NUM_USB_CHAN_OUT + 1];
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unsigned int mutesOut[NUM_USB_CHAN_OUT + 1];
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//unsigned int multOut[NUM_USB_CHAN_OUT + 1];
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int volsIn[NUM_USB_CHAN_IN + 1];
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unsigned int mutesIn[NUM_USB_CHAN_IN + 1];
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//unsigned int multIn[NUM_USB_CHAN_IN + 1];
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#ifdef MIXER
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unsigned char mixer1Crossbar[18];
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short mixer1Weights[18*8];
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//#define MAX_MIX_COUNT 8
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unsigned char channelMap[NUM_USB_CHAN_OUT + NUM_USB_CHAN_IN + MAX_MIX_COUNT];
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#if NUM_USB_CHAN_OUT > 0
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unsigned char channelMapAud[NUM_USB_CHAN_OUT];
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#endif
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#if NUM_USB_CHAN_IN > 0
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unsigned char channelMapUsb[NUM_USB_CHAN_IN];
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#endif
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unsigned char mixSel[MIX_INPUTS];
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#endif
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int min(int x, int y);
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/* Global current device config var*/
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extern unsigned char g_currentConfig;
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/* Global endpoint status arrays - declared in usb_device.xc */
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extern unsigned char g_interfaceAlt[];
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/* Global variable for current USB bus speed (i.e. FS/HS) */
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unsigned g_curUsbSpeed = 0;
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/* Global used for signalling reset to decouple */
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#ifdef IAP
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extern unsigned g_iap_reset;
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#endif
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#ifdef NATIVE_DSD
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/* We remember if we are in DSD mode to avoid Configuring the DAC too often - thus avoiding pops and clicks */
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unsigned g_dsdMode = 0;
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#endif
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void VendorAudioRequestsInit(chanend c_audioControl, chanend ?c_mix_ctl, chanend ?c_clk_ctl);
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/* Endpoint 0 function. Handles all requests to the device */
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void Endpoint0( chanend c_ep0_out, chanend c_ep0_in, chanend c_audioControl,
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chanend ?c_mix_ctl, chanend ?c_clk_ctl, chanend ?c_usb_test)
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{
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USB_SetupPacket_t sp;
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XUD_ep ep0_out = XUD_InitEp(c_ep0_out);
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XUD_ep ep0_in = XUD_InitEp(c_ep0_in);
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/* Init tables for volumes (+ 1 for master) */
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for(int i = 0; i < NUM_USB_CHAN_OUT + 1; i++)
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{
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volsOut[i] = 0;
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mutesOut[i] = 0;
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}
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for(int i = 0; i < NUM_USB_CHAN_IN + 1; i++)
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{
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volsIn[i] = 0;
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mutesIn[i] = 0;
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}
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#ifdef MIXER
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/* Set up mixer default state */
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for (int i = 0; i < 18*8; i++) {
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mixer1Weights[i] = 0x8001; //-inf
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}
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/* Configure default connections */
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mixer1Weights[0] = 0;
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mixer1Weights[9] = 0;
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mixer1Weights[18] = 0;
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mixer1Weights[27] = 0;
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mixer1Weights[36] = 0;
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mixer1Weights[45] = 0;
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mixer1Weights[54] = 0;
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mixer1Weights[63] = 0;
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#if NUM_USB_CHAN_OUT > 0
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/* Setup up audio output channel mapping */
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for(int i = 0; i < NUM_USB_CHAN_OUT; i++)
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{
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channelMapAud[i] = i;
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}
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#endif
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#if NUM_USB_CHAN_IN > 0
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for(int i = 0; i < NUM_USB_CHAN_IN; i++)
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{
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channelMapUsb[i] = i + NUM_USB_CHAN_OUT;
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}
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#endif
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/* Set up channel mapping default */
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for (int i = 0; i < NUM_USB_CHAN_OUT + NUM_USB_CHAN_IN; i++)
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{
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channelMap[i] = i;
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}
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#if MAX_MIX_COUNT > 0
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/* Mixer outputs mapping defaults */
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for (int i = 0; i < MAX_MIX_COUNT; i++)
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{
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channelMap[NUM_USB_CHAN_OUT + NUM_USB_CHAN_IN + i] = i;
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}
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#endif
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/* Init mixer inputs */
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for(int i = 0; i < MIX_INPUTS; i++)
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{
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mixSel[i] = i;
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}
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#endif
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/* Build up channel string table - By default all channels are marked as analogue
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* TODO We really want to do this an build time... */
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#if defined(SPDIF_RX) && (SPDIF_RX_INDEX != 0)
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safestrcpy(strDescs[SPDIF_RX_INDEX + INPUT_INTERFACE_STRING_INDEX], "S/PDIF 1");
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safestrcpy(strDescs[SPDIF_RX_INDEX + INPUT_INTERFACE_STRING_INDEX + 1], "S/PDIF 2");
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#endif
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#if defined(ADAT_RX) && (ADAT_RX_INDEX != 0)
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safestrcpy(strDescs[ADAT_RX_INDEX + INPUT_INTERFACE_STRING_INDEX], "ADAT 1");
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safestrcpy(strDescs[ADAT_RX_INDEX + INPUT_INTERFACE_STRING_INDEX + 1], "ADAT 2");
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safestrcpy(strDescs[ADAT_RX_INDEX + INPUT_INTERFACE_STRING_INDEX + 2], "ADAT 3");
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safestrcpy(strDescs[ADAT_RX_INDEX + INPUT_INTERFACE_STRING_INDEX + 3], "ADAT 4");
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safestrcpy(strDescs[ADAT_RX_INDEX + INPUT_INTERFACE_STRING_INDEX + 4], "ADAT 5");
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safestrcpy(strDescs[ADAT_RX_INDEX + INPUT_INTERFACE_STRING_INDEX + 5], "ADAT 6");
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safestrcpy(strDescs[ADAT_RX_INDEX + INPUT_INTERFACE_STRING_INDEX + 6], "ADAT 7");
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safestrcpy(strDescs[ADAT_RX_INDEX + INPUT_INTERFACE_STRING_INDEX + 7], "ADAT 8");
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#endif
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#if defined(SPDIF) && (SPDIF_TX_INDEX != 0) /* "Analogue naming gets priority */
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safestrcpy(strDescs[SPDIF_TX_INDEX + OUTPUT_INTERFACE_STRING_INDEX], "S/PDIF 1");
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safestrcpy(strDescs[SPDIF_TX_INDEX + OUTPUT_INTERFACE_STRING_INDEX + 1], "S/PDIF 2");
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#endif
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#if defined(ADAT_TX) && (ADAT_TX_INDEX != 0)
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safestrcpy(strDescs[ADAT_TX_INDEX + OUTPUT_INTERFACE_STRING_INDEX], "ADAT 1");
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safestrcpy(strDescs[ADAT_TX_INDEX + OUTPUT_INTERFACE_STRING_INDEX + 1], "ADAT 2");
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safestrcpy(strDescs[ADAT_TX_INDEX + OUTPUT_INTERFACE_STRING_INDEX + 2], "ADAT 3");
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safestrcpy(strDescs[ADAT_TX_INDEX + OUTPUT_INTERFACE_STRING_INDEX + 3], "ADAT 4");
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safestrcpy(strDescs[ADAT_TX_INDEX + OUTPUT_INTERFACE_STRING_INDEX + 4], "ADAT 5");
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safestrcpy(strDescs[ADAT_TX_INDEX + OUTPUT_INTERFACE_STRING_INDEX + 5], "ADAT 6");
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safestrcpy(strDescs[ADAT_TX_INDEX + OUTPUT_INTERFACE_STRING_INDEX + 6], "ADAT 7");
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safestrcpy(strDescs[ADAT_TX_INDEX + OUTPUT_INTERFACE_STRING_INDEX + 7], "ADAT 8");
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#endif
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#ifdef VENDOR_AUDIO_REQS
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VendorAudioRequestsInit(c_audioControl, c_mix_ctl, c_clk_ctl);
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#endif
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#ifdef DFU
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/* Check if device has started in DFU mode */
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if (DFUReportResetState(null))
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{
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/* Stop audio */
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outuint(c_audioControl, SET_SAMPLE_FREQ);
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outuint(c_audioControl, AUDIO_STOP_FOR_DFU);
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// No Handshake
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//chkct(c_audioControl, XS1_CT_END);
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DFU_mode_active = 1;
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}
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#endif
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while(1)
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{
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/* Returns 0 for success, -1 for bus reset */
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int retVal = USB_GetSetupPacket(ep0_out, ep0_in, sp);
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if (!retVal)
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{
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retVal = 1;
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/* Inspect Request type and Receipient and direction */
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switch( (sp.bmRequestType.Direction << 7) | (sp.bmRequestType.Recipient ) | (sp.bmRequestType.Type << 5) )
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{
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case USB_BMREQ_H2D_STANDARD_INT:
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/* Over-riding USB_StandardRequests implementation */
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if(sp.bRequest == USB_SET_INTERFACE)
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{
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/* Check for audio stream from host start/stop */
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if(sp.wIndex == 1) // Ouput interface
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{
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switch(sp.wValue)
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{
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case 0:
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/* Stream stop */
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break;
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case 1:
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/* Stream active + 0 chans */
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/* NOTE there could be a difference between HS/UAC1 and FS/UAC1 channel count */
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/* Also note, currently we assume with won't be doing ADAT in FS/UAC1...*/
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if(g_curUsbSpeed == XUD_SPEED_HS)
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{
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outuint(c_audioControl, SET_CHAN_COUNT_OUT);
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outuint(c_audioControl, NUM_USB_CHAN_OUT);
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}
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else
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{
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outuint(c_audioControl, SET_CHAN_COUNT_OUT);
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outuint(c_audioControl, NUM_USB_CHAN_OUT_A1);
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}
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#ifdef NATIVE_DSD
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if(g_dsdMode)
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{
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outuint(c_audioControl, SET_DSD_MODE);
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outuint(c_audioControl, DSD_MODE_OFF);
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// Handshake
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chkct(c_audioControl, XS1_CT_END);
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g_dsdMode = 0;
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}
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#endif /* NATIVE_DSD */
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break;
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#ifdef NATIVE_DSD
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case 2:
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if(!g_dsdMode)
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{
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outuint(c_audioControl, SET_DSD_MODE);
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outuint(c_audioControl, DSD_MODE_NATIVE);
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chkct(c_audioControl, XS1_CT_END);
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g_dsdMode = 1;
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}
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break;
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#endif /* NATIVE_DSD */
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}
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}
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else if(sp.wIndex == 2) // Input interface
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{
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switch(sp.wValue)
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{
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case 0:
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break;
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case 1:
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/* Stream active + 0 chans */
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/* NOTE there could be a difference between HS/UAC1 and FS/UAC1 channel count */
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/* Also note, currently we assume with won't be doing ADAT in FS/UAC1...*/
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if(g_curUsbSpeed == XUD_SPEED_HS)
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{
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outuint(c_audioControl, SET_CHAN_COUNT_IN);
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outuint(c_audioControl, NUM_USB_CHAN_IN);
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}
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else
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{
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outuint(c_audioControl, SET_CHAN_COUNT_IN);
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outuint(c_audioControl, NUM_USB_CHAN_IN_A1);
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}
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#ifdef ADAT_RX
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outuint(c_clk_ctl, SET_SMUX);
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outuint(c_clk_ctl, 0);
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outct(c_clk_ctl, XS1_CT_END);
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#endif
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break;
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#ifdef ADAT_RX
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case 2:
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/* Stream active + 8 chans */
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outuint(c_audioControl, SET_CHAN_COUNT_IN);
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outuint(c_audioControl, NUM_USB_CHAN_IN-4);
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outuint(c_clk_ctl, SET_SMUX);
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outuint(c_clk_ctl, 1);
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outct(c_clk_ctl, XS1_CT_END);
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break;
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case 3:
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outuint(c_audioControl, SET_CHAN_COUNT_IN);
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outuint(c_audioControl, NUM_USB_CHAN_IN-6);
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outuint(c_clk_ctl, SET_SMUX);
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outuint(c_clk_ctl, 1);
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outct(c_clk_ctl, XS1_CT_END);
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break;
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#endif
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}
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}
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#if 1
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#if defined(OUTPUT) && defined(INPUT)
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/* Check for stream start stop on output and input audio interfaces */
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if(sp.wValue && !g_interfaceAlt[1] && !g_interfaceAlt[2])
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{
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/* If start and input AND output not currently running */
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UserAudioStreamStart();
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}
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else if(((sp.wIndex == 1) && (!sp.wValue)) && g_interfaceAlt[1] && (!g_interfaceAlt[2]))
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{
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/* if output stop and output running and input not running */
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UserAudioStreamStop();
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}
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else if(((sp.wIndex == 2) && (!sp.wValue)) && g_interfaceAlt[2] && (!g_interfaceAlt[1]))
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{
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/* if input stop and input running and output not running */
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UserAudioStreamStop();
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}
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#elif defined(OUTPUT) || defined(INPUT)
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if(sp.wValue && (!g_interfaceAlt[1]))
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{
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/* if start and not currently running */
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UserAudioStreamStart();
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}
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else if (!sp.wValue && g_interfaceAlt[1])
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{
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/* if stop and currently running */
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UserAudioStreamStop();
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}
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#endif
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#endif
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/* Record interface change */
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if(sp.wIndex < NUM_INTERFACES)
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g_interfaceAlt[sp.wIndex] = sp.wValue;
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/* No data stage for this request, just do data stage */
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retVal = XUD_DoSetRequestStatus(ep0_in);
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} /* if(sp.bRequest == SET_INTERFACE) */
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break; /* BMREQ_H2D_STANDARD_INT */
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case USB_BMREQ_D2H_STANDARD_INT:
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switch(sp.bRequest)
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{
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#ifdef HID_CONTROLS
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case USB_GET_DESCRIPTOR:
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/* Check what inteface request is for */
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if(sp.wIndex == INTERFACE_NUM_HID)
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{
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/* High byte of wValue is descriptor type */
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unsigned descriptorType = sp.wValue & 0xff00;
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switch (descriptorType)
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{
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case HID_REPORT:
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/* Return HID report descriptor */
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retVal = XUD_DoGetRequest(ep0_out, ep0_in, hidReportDescriptor,
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sizeof(hidReportDescriptor), sp.wLength);
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break;
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}
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}
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break;
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#endif
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default:
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break;
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}
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break;
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/* Recipient: Device */
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case USB_BMREQ_H2D_STANDARD_DEV:
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/* Inspect for actual request */
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switch( sp.bRequest )
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{
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/* Standard request: SetConfiguration */
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/* Overriding implementation in USB_StandardRequests */
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case USB_SET_CONFIGURATION:
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//g_currentConfig = sp.wValue;
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//if(g_current_config == 1)
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{
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/* Consider host active with valid driver at this point */
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UserHostActive(1);
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}
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#ifdef IAP
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{
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int iap_reset = 1;
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SET_SHARED_GLOBAL(g_iap_reset, iap_reset);
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}
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#endif
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///* No data stage for this request, just do status stage */
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//retVal = XUD_DoSetRequestStatus(ep0_in);
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// /* We want to run USB_StandardsRequests() implementation also */
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//if(retVal == 0)
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// retVal = 1;
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break;
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default:
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//Unknown device request"
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break;
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}
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break;
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/* Audio Class 1.0 Sampling Freqency Requests go to Endpoint */
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case USB_BMREQ_H2D_CLASS_EP:
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case USB_BMREQ_D2H_CLASS_EP:
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{
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unsigned epNum = sp.wIndex & 0xff;
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if ((epNum == 0x82) || (epNum == 0x01))
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{
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#if (AUDIO_CLASS == 2) && defined(AUDIO_CLASS_FALLBACK)
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if(g_curUsbSpeed == XUD_SPEED_FS)
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{
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retVal = AudioEndpointRequests_1(ep0_out, ep0_in, sp, c_audioControl, c_mix_ctl, c_clk_ctl);
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}
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#elif (AUDIO_CLASS==1)
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retVal = AudioEndpointRequests_1(ep0_out, ep0_in, sp, c_audioControl, c_mix_ctl, c_clk_ctl);
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#endif
|
|
}
|
|
|
|
}
|
|
break;
|
|
|
|
case USB_BMREQ_H2D_CLASS_INT:
|
|
case USB_BMREQ_D2H_CLASS_INT:
|
|
{
|
|
unsigned interfaceNum = sp.wIndex & 0xff;
|
|
//unsigned request = (sp.bmRequestType.Recipient ) | (sp.bmRequestType.Type << 5);
|
|
|
|
/* TODO Check on return value retval = */
|
|
#ifdef DFU
|
|
unsigned DFU_IF = DFU_IF_NUM;
|
|
|
|
/* DFU interface number changes based on which mode we are currently running in */
|
|
if (DFU_mode_active)
|
|
{
|
|
DFU_IF = 0;
|
|
}
|
|
|
|
if (interfaceNum == DFU_IF)
|
|
{
|
|
/* If running in application mode stop audio */
|
|
/* Don't interupt audio for save and restore cmds */
|
|
if ((DFU_IF == DFU_IF_NUM) && (sp.bRequest != XMOS_DFU_SAVESTATE) &&
|
|
(sp.bRequest != XMOS_DFU_RESTORESTATE))
|
|
{
|
|
// Stop audio
|
|
outuint(c_audioControl, SET_SAMPLE_FREQ);
|
|
outuint(c_audioControl, AUDIO_STOP_FOR_DFU);
|
|
// Handshake
|
|
chkct(c_audioControl, XS1_CT_END);
|
|
}
|
|
|
|
/* This will return 1 if reset requested */
|
|
if (DFUDeviceRequests(ep0_out, ep0_in, sp, null, g_interfaceAlt[sp.wIndex], 1))
|
|
{
|
|
timer tmr;
|
|
unsigned s;
|
|
tmr :> s;
|
|
tmr when timerafter(s + 50000000) :> s;
|
|
device_reboot(c_audioControl);
|
|
}
|
|
|
|
/* TODO we should not make the assumption that all DFU requests are handled */
|
|
retVal = 0;
|
|
}
|
|
#endif
|
|
/* Check for: - Audio CONTROL interface request - always 0, note we check for DFU first
|
|
* - Audio STREAMING interface request (In or Out)
|
|
* - Audio endpoint request (Audio 1.0 Sampling freq requests are sent to the endpoint)
|
|
*/
|
|
if((interfaceNum == 0) || (interfaceNum == 1) || (interfaceNum == 2))
|
|
{
|
|
#if (AUDIO_CLASS == 2) && defined(AUDIO_CLASS_FALLBACK)
|
|
if(g_curUsbSpeed == XUD_SPEED_HS)
|
|
{
|
|
retVal = AudioClassRequests_2(ep0_out, ep0_in, sp, c_audioControl, c_mix_ctl, c_clk_ctl);
|
|
}
|
|
else
|
|
{
|
|
retVal = AudioClassRequests_1(ep0_out, ep0_in, sp, c_audioControl, c_mix_ctl, c_clk_ctl);
|
|
}
|
|
#elif (AUDIO_CLASS==2)
|
|
retVal = AudioClassRequests_2(ep0_out, ep0_in, sp, c_audioControl, c_mix_ctl, c_clk_ctl);
|
|
#else
|
|
retVal = AudioClassRequests_1(ep0_out, ep0_in, sp, c_audioControl, c_mix_ctl, c_clk_ctl);
|
|
#endif
|
|
|
|
#ifdef VENDOR_AUDIO_REQS
|
|
#error
|
|
/* If retVal is 1 at this point, then request to audio interface not handled - handle vendor audio reqs */
|
|
if(retVal == 1)
|
|
{
|
|
retVal = VendorAudioRequests(ep0_out, ep0_in, sp.bRequest,
|
|
sp.wValue >> 8, sp.wValue & 0xff,
|
|
sp.wIndex >> 8, sp.bmRequestType.Direction,
|
|
c_audioControl, c_mix_ctl, c_clk_ctl);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
} /* if(retVal == 0) */
|
|
|
|
if(retVal > 0)
|
|
{
|
|
#ifdef DFU
|
|
if (!DFU_mode_active)
|
|
{
|
|
#endif
|
|
#ifdef AUDIO_CLASS_FALLBACK
|
|
/* Return Audio 2.0 Descriptors with Audio 1.0 as fallback */
|
|
retVal = USB_StandardRequests(ep0_out, ep0_in,
|
|
devDesc_Audio2, sizeof(devDesc_Audio2),
|
|
cfgDesc_Audio2, sizeof(cfgDesc_Audio2),
|
|
devDesc_Audio1, sizeof(devDesc_Audio1),
|
|
cfgDesc_Audio1, sizeof(cfgDesc_Audio1),
|
|
strDescs, sizeof(strDescs)/sizeof(strDescs[0]),
|
|
sp, c_usb_test, g_curUsbSpeed);
|
|
#elif FULL_SPEED_AUDIO_2
|
|
/* Return Audio 2.0 Descriptors for high_speed and full-speed */
|
|
|
|
/* Unfortunately we need to munge the descriptors a bit between full and high-speed */
|
|
if(g_curUsbSpeed == XUD_SPEED_HS)
|
|
{
|
|
/* Mod bSlotSize */
|
|
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+4] = SAMPLE_SUBSLOT_SIZE_HS;
|
|
|
|
/* Mod bBitResolution */
|
|
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+5] = SAMPLE_BIT_RESOLUTION_HS;
|
|
|
|
/* wMaxPacketSize */
|
|
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+10] = MAX_PACKET_SIZE_OUT_HS&0xff;
|
|
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+11] = (MAX_PACKET_SIZE_OUT_HS&0xff00)>>8;
|
|
}
|
|
else
|
|
{
|
|
/* Mod bSlotSize */
|
|
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+4] = SAMPLE_SUBSLOT_SIZE_FS;
|
|
|
|
/* Mod bBitResolution */
|
|
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+5] = SAMPLE_BIT_RESOLUTION_FS;
|
|
|
|
/* wMaxPacketSize */
|
|
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+10] = MAX_PACKET_SIZE_OUT_FS&0xff;
|
|
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+11] = (MAX_PACKET_SIZE_OUT_FS&0xff00)>>8;
|
|
}
|
|
|
|
retVal = USB_StandardRequests(ep0_out, ep0_in,
|
|
devDesc_Audio2, sizeof(devDesc_Audio2),
|
|
cfgDesc_Audio2, sizeof(cfgDesc_Audio2),
|
|
null, 0,
|
|
null, 0,
|
|
strDescs, sizeof(strDescs)/sizeof(strDescs[0]), sp, c_usb_test, g_curUsbSpeed);
|
|
#else
|
|
/* Return Audio 2.0 Descriptors with Null device as fallback */
|
|
retVal = USB_StandardRequests(ep0_out, ep0_in,
|
|
devDesc_Audio2, sizeof(devDesc_Audio2),
|
|
cfgDesc_Audio2, sizeof(cfgDesc_Audio2),
|
|
devDesc_Null, sizeof(devDesc_Null),
|
|
cfgDesc_Null, sizeof(cfgDesc_Null),
|
|
strDescs, sizeof(strDescs)/sizeof(strDescs[0]), sp, c_usb_test, g_curUsbSpeed);
|
|
#endif
|
|
#ifdef DFU
|
|
}
|
|
else
|
|
{
|
|
/* Running in DFU mode - always return same descs for DFU whether HS or FS */
|
|
retVal = USB_StandardRequests(ep0_out, ep0_in,
|
|
DFUdevDesc, sizeof(DFUdevDesc),
|
|
DFUcfgDesc, sizeof(DFUcfgDesc),
|
|
null, 0, /* Used same descriptors for full and high-speed */
|
|
null, 0,
|
|
strDescs, sizeof(strDescs), sp, c_usb_test, g_curUsbSpeed);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
if (retVal < 0)
|
|
{
|
|
g_curUsbSpeed = XUD_ResetEndpoint(ep0_out, ep0_in);
|
|
|
|
g_currentConfig = 0;
|
|
|
|
#ifdef DFU
|
|
if (DFUReportResetState(null))
|
|
{
|
|
if (!DFU_mode_active)
|
|
{
|
|
timer tmr;
|
|
unsigned s;
|
|
DFU_mode_active = 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (DFU_mode_active)
|
|
{
|
|
timer tmr;
|
|
unsigned s;
|
|
DFU_mode_active = 0;
|
|
|
|
/* Send reboot command */
|
|
tmr :> s;
|
|
tmr when timerafter(s + 5000000) :> s;
|
|
device_reboot(c_audioControl);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
}
|
|
}
|