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Basic support for sync mode streaming

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This commit is contained in:
xross
2022-06-21 12:11:09 +01:00
parent 22a79d9231
commit ff42c23a6d
6 changed files with 99 additions and 129 deletions
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38
lib_xua/api/xua_buffer.h
View File

@@ -38,20 +38,6 @@ void XUA_Buffer(
chanend c_midi_to_host,
chanend c_midi,
#endif
#ifdef IAP
chanend c_iap_from_host,
chanend c_iap_to_host,
#ifdef IAP_INT_EP
chanend c_iap_to_host_int,
#endif
chanend c_iap,
#ifdef IAP_EA_NATIVE_TRANS
chanend c_iap_ea_native_out,
chanend c_iap_ea_native_in,
chanend c_iap_ea_native_ctrl,
chanend c_iap_ea_native_data,
#endif
#endif
#if (SPDIF_RX) || (ADAT_RX)
chanend ?c_int,
chanend ?c_clk_int,
@@ -59,10 +45,13 @@ void XUA_Buffer(
chanend c_sof,
chanend c_aud_ctl,
in port p_off_mclk
#if( 0 < HID_CONTROLS )
#if (HID_CONTROLS )
, chanend c_hid
#endif
, chanend c_aud
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
, out port p_sync
#endif
);
void XUA_Buffer_Ep(chanend c_aud_out,
@@ -77,20 +66,6 @@ void XUA_Buffer_Ep(chanend c_aud_out,
chanend c_midi_to_host,
chanend c_midi,
#endif
#ifdef IAP
chanend c_iap_from_host,
chanend c_iap_to_host,
#ifdef IAP_INT_EP
chanend c_iap_to_host_int,
#endif
chanend c_iap,
#ifdef IAP_EA_NATIVE_TRANS
chanend c_iap_ea_native_out,
chanend c_iap_ea_native_in,
chanend c_iap_ea_native_ctrl,
chanend c_iap_ea_native_data,
#endif
#endif
#if (SPDIF_RX) || (ADAT_RX)
chanend ?c_int,
chanend ?c_clk_int,
@@ -98,11 +73,14 @@ void XUA_Buffer_Ep(chanend c_aud_out,
chanend c_sof,
chanend c_aud_ctl,
in port p_off_mclk
#if( 0 < HID_CONTROLS )
#if (HID_CONTROLS)
, chanend c_hid
#endif
#ifdef CHAN_BUFF_CTRL
, chanend c_buff_ctrl
#endif
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
, out port p_sync
#endif
);

6
lib_xua/api/xua_conf_default.h
View File

@@ -1460,3 +1460,9 @@ enum USBEndpointNumber_Out
#ifndef XUA_SYNCMODE
#define XUA_SYNCMODE XUA_SYNCMODE_ASYNC
#endif
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
#if (SPDIF_RX || ADAT_RX)
#error "Digital input streams not supported in Sync mode"
#endif
#endif

132
lib_xua/src/core/buffer/ep/ep_buffer.xc
View File

@@ -91,43 +91,32 @@ unsigned int fb_clocks[4];
#define FB_TOLERANCE 0x100
void XUA_Buffer(
register chanend c_aud_out,
register chanend c_aud_out,
#if (NUM_USB_CHAN_IN > 0)
register chanend c_aud_in,
register chanend c_aud_in,
#endif
#if (NUM_USB_CHAN_IN == 0) || defined (UAC_FORCE_FEEDBACK_EP)
chanend c_aud_fb,
chanend c_aud_fb,
#endif
#ifdef MIDI
chanend c_midi_from_host,
chanend c_midi_to_host,
chanend c_midi,
#endif
#ifdef IAP
chanend c_iap_from_host,
chanend c_iap_to_host,
#ifdef IAP_INT_EP
chanend c_iap_to_host_int,
#endif
chanend c_iap,
#ifdef IAP_EA_NATIVE_TRANS
chanend c_iap_ea_native_out,
chanend c_iap_ea_native_in,
chanend c_iap_ea_native_ctrl,
chanend c_iap_ea_native_data,
#endif
chanend c_midi_from_host,
chanend c_midi_to_host,
chanend c_midi,
#endif
#if (SPDIF_RX) || (ADAT_RX)
chanend ?c_ep_int,
chanend ?c_clk_int,
chanend ?c_ep_int,
chanend ?c_clk_int,
#endif
chanend c_sof,
chanend c_aud_ctl,
in port p_off_mclk
#if( 0 < HID_CONTROLS )
, chanend c_hid
chanend c_sof,
chanend c_aud_ctl,
in port p_off_mclk
#if (HID_CONTROLS )
, chanend c_hid
#endif
, chanend c_aud
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
, out port p_sync
#endif
, chanend c_aud
)
{
#ifdef CHAN_BUFF_CTRL
@@ -148,20 +137,6 @@ void XUA_Buffer(
c_midi_to_host, /* MIDI In */ // 4
c_midi,
#endif
#ifdef IAP
c_iap_from_host, /* iAP Out */
c_iap_to_host, /* iAP In */
#ifdef IAP_INT_EP
c_iap_to_host_int, /* iAP Interrupt In */
#endif
c_iap,
#ifdef IAP_EA_NATIVE_TRANS
c_iap_ea_native_out,
c_iap_ea_native_in,
c_EANativeTransport_ctrl,
c_ea_data,
#endif
#endif
#if (SPDIF_RX) || (ADAT_RX)
/* Audio Interrupt - only used for interrupts on external clock change */
c_ep_int,
@@ -173,6 +148,9 @@ void XUA_Buffer(
#endif
#ifdef CHAN_BUFF_CTRL
, c_buff_ctrl
#endif
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
, p_sync
#endif
);
@@ -204,38 +182,27 @@ void XUA_Buffer_Ep(register chanend c_aud_out,
chanend c_aud_fb,
#endif
#ifdef MIDI
chanend c_midi_from_host,
chanend c_midi_to_host,
chanend c_midi,
#endif
#ifdef IAP
chanend c_iap_from_host,
chanend c_iap_to_host,
#ifdef IAP_INT_EP
chanend c_iap_to_host_int,
#endif
chanend c_iap,
#ifdef IAP_EA_NATIVE_TRANS
chanend c_iap_ea_native_out,
chanend c_iap_ea_native_in,
chanend c_iap_ea_native_ctrl,
chanend c_iap_ea_native_data,
#endif
chanend c_midi_from_host,
chanend c_midi_to_host,
chanend c_midi,
#endif
#if (SPDIF_RX) || (ADAT_RX)
chanend ?c_ep_int,
chanend ?c_clk_int,
chanend ?c_ep_int,
chanend ?c_clk_int,
#endif
chanend c_sof,
chanend c_aud_ctl,
in port p_off_mclk
#if( 0 < HID_CONTROLS )
, chanend c_hid
chanend c_sof,
chanend c_aud_ctl,
in port p_off_mclk
#if(HID_CONTROLS)
, chanend c_hid
#endif
#ifdef CHAN_BUFF_CTRL
, chanend c_buff_ctrl
, chanend c_buff_ctrl
#endif
)
#if XUA_SYNCMODE == XUA_SYNCMODE_SYNC
, out port p_sync
#endif
)
{
XUD_ep ep_aud_out = XUD_InitEp(c_aud_out);
@@ -542,6 +509,30 @@ void XUA_Buffer_Ep(register chanend c_aud_out,
/* SOF notification from XUD_Manager() */
case inuint_byref(c_sof, u_tmp):
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
/* This really could (shoud) be done in decouple. However, for a quick demo this is okay
* Decouple expects a 16:16 number in fixed point stored in the global g_speed */
unsigned usbSpeed;
int framesPerSec;
GET_SHARED_GLOBAL(usbSpeed, g_curUsbSpeed);
static int sofCount = 0;
static unsigned syncPinVal = 0;
framesPerSec = (usbSpeed == XUD_SPEED_HS) ? 8000 : 1000;
float float_clocks = sampleFreq/framesPerSec ;
clocks = (unsigned) (float_clocks * (1 << 16));
asm volatile("stw %0, dp[g_speed]"::"r"(clocks));
sofCount += 1000;
if (sofCount == framesPerSec)
{
p_sync <: syncPinVal;
syncPinVal = ~syncPinVal;
sofCount = 0;
}
#else
/* NOTE our feedback will be wrong for a couple of SOF's after a SF change due to
* lastClock being incorrect */
@@ -711,7 +702,8 @@ void XUA_Buffer_Ep(register chanend c_aud_out,
#endif
sofCount++;
}
break;
#endif
break;
#if (NUM_USB_CHAN_IN > 0)
/* Sent audio packet DEVICE -> HOST */
@@ -724,7 +716,7 @@ void XUA_Buffer_Ep(register chanend c_aud_out,
#endif
#if (NUM_USB_CHAN_OUT > 0)
#if (NUM_USB_CHAN_IN == 0) || defined(UAC_FORCE_FEEDBACK_EP)
#if (NUM_USB_CHAN_IN == 0) || defined(UAC_FORCE_FEEDBACK_EP) && (XUA_SYNCMODE == XUA_SYNCMODE_ASYNC)
/* Feedback Pipe */
case XUD_SetData_Select(c_aud_fb, ep_aud_fb, result):
{

3
lib_xua/src/core/endpoint0/xua_endpoint0.c
View File

@@ -10,6 +10,7 @@
#include <stddef.h>
#include <stdint.h>
#include <string.h>
#include <xclib.h>
#include <xassert.h>
#include "xua.h"
@@ -482,7 +483,7 @@ void XUA_Endpoint0_init(chanend c_ep0_out, chanend c_ep0_in, NULLABLE_RESOURCE(c
/* Check if device has started in DFU mode */
if (DFUReportResetState(null))
{
assert((c_audioControl != NULL) && msg("DFU not supported when c_audioControl is null"));
assert(((unsigned)c_audioControl != 0) && msg("DFU not supported when c_audioControl is null"));
/* Stop audio */
outuint(c_audioControl, SET_SAMPLE_FREQ);

1
lib_xua/src/core/endpoint0/xua_ep0_descriptors.h
View File

@@ -2690,7 +2690,6 @@ unsigned char cfgDesc_Audio1[] =
0x00, /* bRefresh */
#if (NUM_USB_CHAN_IN == 0) || defined(UAC_FORCE_FEEDBACK_EP) && (XUA_SYNCMODE == XUA_SYNCMODE_ASYNC)
ENDPOINT_ADDRESS_IN_FEEDBACK, /* bSynchAdddress - address of EP used to communicate sync info */
#error
#else /* Bi-directional in/out device */
#if (XUA_SYNCMODE == XUA_SYNCMODE_ASYNC)
ENDPOINT_ADDRESS_IN_AUDIO,

48
lib_xua/src/core/main.xc
View File

@@ -154,7 +154,12 @@ on stdcore[XUD_TILE] : buffered in port:32 p_adat_rx = PORT_ADAT_IN;
on tile[XUD_TILE] : buffered in port:4 p_spdif_rx = PORT_SPDIF_IN;
#endif
#if (SPDIF_RX == 1) || (ADAT_RX)
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
/* Reference to external clock multiplier */
on tile[XUD_TILE] : out port p_pll_clk = PORT_PLL_REF;
#endif
#if (SPDIF_RX) || (ADAT_RX)
/* Reference to external clock multiplier */
on tile[AUDIO_IO_TILE] : out port p_pll_clk = PORT_PLL_REF;
#endif
@@ -280,20 +285,17 @@ void xscope_user_init()
/* Core USB Audio functions - must be called on the Tile connected to the USB Phy */
void usb_audio_core(chanend c_mix_out
#ifdef MIDI
, chanend c_midi
, chanend c_midi
#endif
#ifdef IAP
, chanend c_iap
#ifdef IAP_EA_NATIVE_TRANS
, chanend c_ea_data
#ifdef MIXER
, chanend c_mix_ctl
#endif
, chanend ?c_clk_int
, chanend ?c_clk_ctl
, client interface i_dfu ?dfuInterface
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
, out port p_sync
#endif
#ifdef MIXER
, chanend c_mix_ctl
#endif
, chanend ?c_clk_int
, chanend ?c_clk_ctl
, client interface i_dfu ?dfuInterface
VENDOR_REQUESTS_PARAMS_DEC_
)
{
@@ -362,33 +364,22 @@ VENDOR_REQUESTS_PARAMS_DEC_
c_xud_in[ENDPOINT_NUMBER_IN_MIDI], /* MIDI In */ // 4
c_midi,
#endif
#ifdef IAP
c_xud_out[ENDPOINT_NUMBER_OUT_IAP], /* iAP Out */
c_xud_in[ENDPOINT_NUMBER_IN_IAP], /* iAP In */
#ifdef IAP_INT_EP
c_xud_in[ENDPOINT_NUMBER_IN_IAP_INT], /* iAP Interrupt In */
#endif
c_iap,
#ifdef IAP_EA_NATIVE_TRANS
c_xud_out[ENDPOINT_NUMBER_OUT_IAP_EA_NATIVE_TRANS],
c_xud_in[ENDPOINT_NUMBER_IN_IAP_EA_NATIVE_TRANS],
c_EANativeTransport_ctrl,
c_ea_data,
#endif
#endif
#if (SPDIF_RX) || (ADAT_RX)
/* Audio Interrupt - only used for interrupts on external clock change */
c_xud_in[ENDPOINT_NUMBER_IN_INTERRUPT],
c_clk_int,
#endif
c_sof, c_aud_ctl, p_for_mclk_count
#if( 0 < HID_CONTROLS )
#if (HID_CONTROLS)
, c_xud_in[ENDPOINT_NUMBER_IN_HID]
#endif
#ifdef CHAN_BUFF_CTRL
, c_buff_ctrl
#endif
, c_mix_out
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
, p_sync
#endif
);
//:
}
@@ -629,6 +620,9 @@ int main()
, c_mix_ctl
#endif
, c_clk_int, c_clk_ctl, dfuInterface
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
, p_pll_clk
#endif
VENDOR_REQUESTS_PARAMS_
);