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- Renamed i_sync to i_pll_ref.

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- Always used i_pll_ref interface from clockgen rather than direct port access
This commit is contained in:
xross
2022-06-28 10:39:01 +01:00
parent 3e0f127b92
commit bb0dec4923
5 changed files with 41 additions and 76 deletions
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4
lib_xua/api/xua_buffer.h
View File

@@ -51,7 +51,7 @@ void XUA_Buffer(
#endif
, chanend c_aud
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
, client interface sync_if i_sync
, client interface pll_ref_if i_pll_ref
#endif
);
@@ -81,7 +81,7 @@ void XUA_Buffer_Ep(chanend c_aud_out,
, chanend c_buff_ctrl
#endif
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
, client interface sync_if i_sync
, client interface pll_ref_if i_pll_ref
#endif
);

8
lib_xua/src/core/buffer/ep/ep_buffer.xc
View File

@@ -115,7 +115,7 @@ void XUA_Buffer(
#endif
, chanend c_aud
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
, client interface sync_if i_sync
, client interface pll_ref_if i_pll_ref
#endif
)
{
@@ -150,7 +150,7 @@ void XUA_Buffer(
, c_buff_ctrl
#endif
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
, i_sync
, i_pll_ref
#endif
);
@@ -200,7 +200,7 @@ void XUA_Buffer_Ep(register chanend c_aud_out,
, chanend c_buff_ctrl
#endif
#if XUA_SYNCMODE == XUA_SYNCMODE_SYNC
, client interface sync_if i_sync
, client interface pll_ref_if i_pll_ref
#endif
)
{
@@ -529,7 +529,7 @@ void XUA_Buffer_Ep(register chanend c_aud_out,
if (sofCount == framesPerSec)
{
/* Port is accessed via interface to allow flexibilty with location */
i_sync.toggle();
i_pll_ref.toggle();
sofCount = 0;
}
#else

55
lib_xua/src/core/clocking/clockgen.xc
View File

@@ -39,8 +39,8 @@ static int clockValid[NUM_CLOCKS]; /* Store current val
static int clockInt[NUM_CLOCKS]; /* Interupt flag for clocks */
static int clockId[NUM_CLOCKS];
[[combinable]]
void PllRefPinTask(server interface sync_if i_sync, out port p_pll_ref)
[[distributable]]
void PllRefPinTask(server interface pll_ref_if i_pll_ref, out port p_pll_ref)
{
static unsigned pinVal= 0;
static unsigned short pinTime = 0;
@@ -49,18 +49,18 @@ void PllRefPinTask(server interface sync_if i_sync, out port p_pll_ref)
{
select
{
case i_sync.toggle():
case i_pll_ref.toggle():
pinVal = ~pinVal;
p_pll_ref <: pinVal;
break;
case i_sync.init():
case i_pll_ref.init():
p_pll_ref <: pinVal @ pinTime;
pinTime += (unsigned short)(LOCAL_CLOCK_INCREMENT - (LOCAL_CLOCK_INCREMENT/2));
p_pll_ref @ pinTime <: pinVal;
break;
case i_sync.toggle_timed(int relative):
case i_pll_ref.toggle_timed(int relative):
if (!relative)
{
@@ -241,10 +241,11 @@ extern int samples_to_host_inputs_buff[NUM_USB_CHAN_IN];
int VendorAudCoreReqs(unsigned cmd, chanend c);
#pragma unsafe arrays
#if (AUDIO_IO_TILE == PLL_REF_TILE)
//#if (AUDIO_IO_TILE == PLL_REF_TILE)
#if 0
void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, out port p, chanend c_dig_rx, chanend c_clk_ctl, chanend c_clk_int)
#else
void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interface sync_if i_sync, chanend c_dig_rx, chanend c_clk_ctl, chanend c_clk_int)
void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interface pll_ref_if i_pll_ref, chanend c_dig_rx, chanend c_clk_ctl, chanend c_clk_int)
#endif
{
timer t_local;
@@ -355,16 +356,9 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
outuint(c_dig_rx, 1);
#endif
#if (AUDIO_IO_TILE == PLL_REF_TILE)
/* Initial ref clock output and get timestamp */
p <: pinVal @ pinTime;
pinTime += (unsigned short)(LOCAL_CLOCK_INCREMENT - (LOCAL_CLOCK_INCREMENT/2));
p @ pinTime <: pinVal;
#else
/* TODO ideally always use interface */
i_sync.init();
#endif
i_pll_ref.init();
while(1)
{
select
@@ -486,15 +480,8 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
/* Generate local clock from timer */
case t_local when timerafter(timeNextEdge) :> void:
#if (AUDIO_IO_TILE == PLL_REF_TILE)
/* Setup next local clock edge */
pinTime += (short) LOCAL_CLOCK_INCREMENT;
pinVal = !pinVal;
p @ pinTime <: pinVal;
#else
/* TODO ideally always use interface */
i_sync.toggle_timed(0);
#endif
i_pll_ref.toggle_timed(0);
/* Record time of edge */
timeLastEdge = timeNextEdge;
@@ -623,16 +610,8 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
/* Setup for next edge */
timeNextEdge = spdifReceivedTime + LOCAL_CLOCK_INCREMENT + LOCAL_CLOCK_MARGIN;
#if (AUDIO_IO_TILE == PLL_REF_TILE)
/* Toggle edge */
p <: pinVal @ pinTime;
pinTime += (short) LOCAL_CLOCK_INCREMENT;
pinVal = !pinVal;
p @ pinTime <: pinVal;
#else
i_sync.toggle_timed(1);
#endif
i_pll_ref.toggle_timed(1);
/* Reset counters */
spdifCounters.receivedSamples = 0;
@@ -737,15 +716,9 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
/* Setup for next edge */
timeNextEdge = adatReceivedTime + LOCAL_CLOCK_INCREMENT + LOCAL_CLOCK_MARGIN;
#if (AUDIO_IO_TILE == PLL_REF_TILE)
/* Toggle edge */
p <: pinVal @ pinTime;
pinTime += LOCAL_CLOCK_INCREMENT;
pinVal = !pinVal;
p @ pinTime <: pinVal;
#else
i_sync.toggle_timed(1);
#endif
i_pll_ref.toggle_timed(1);
/* Reset counters */
adatCounters.receivedSamples = 0;

16
lib_xua/src/core/clocking/clocking.h
View File

@@ -4,33 +4,27 @@
#ifndef _CLOCKING_H_
#define _CLOCKING_H_
interface sync_if
interface pll_ref_if
{
void toggle();
void init();
void toggle_timed(int relative);
};
[[combinable]]
void PllRefPinTask(server interface sync_if i_sync, out port p_sync);
[[distributable]]
void PllRefPinTask(server interface pll_ref_if i_pll_ref, out port p_sync);
/** Clock generation and digital audio I/O handling.
*
* \param c_spdif_rx channel connected to S/PDIF receive thread
* \param c_adat_rx channel connect to ADAT receive thread
* \param p port to output clock signal to drive external frequency synthesizer
* \param i_pll_ref interface to taslk that outputs clock signal to drive external frequency synthesizer
* \param c_audio channel connected to the audio() thread
* \param c_clk_ctl channel connected to Endpoint0() for configuration of the
* clock
* \param c_clk_int channel connected to the decouple() thread for clock
interrupts
*/
#if (AUDIO_IO_TILE == PLL_REF_TILE)
void clockGen(streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interface out port p_pll_ref, chanend c_audio, chanend c_clk_ctl, chanend c_clk_int);
#else
void clockGen(streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interface sync_if i_sync, chanend c_audio, chanend c_clk_ctl, chanend c_clk_int);
#endif
void clockGen(streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interface pll_ref_if i_pll_ref, chanend c_audio, chanend c_clk_ctl, chanend c_clk_int);
#endif

34
lib_xua/src/core/main.xc
View File

@@ -289,7 +289,7 @@ void usb_audio_core(chanend c_mix_out
, chanend ?c_clk_ctl
, client interface i_dfu ?dfuInterface
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
, client interface sync_if i_sync
, client interface pll_ref_if i_pll_ref
#endif
VENDOR_REQUESTS_PARAMS_DEC_
)
@@ -373,7 +373,7 @@ VENDOR_REQUESTS_PARAMS_DEC_
#endif
, c_mix_out
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
, i_sync
, i_pll_ref
#endif
);
//:
@@ -432,8 +432,8 @@ void usb_audio_io(chanend ?c_aud_in,
#endif
, chanend c_pdm_pcm
#endif
#if (XUA_SPDIF_RX_EN && (AUDIO_IO_TILE != PLL_REF_TILE))
, client interface sync_if i_sync
#if (XUA_SPDIF_RX_EN || ADAT_RX)
, client interface pll_ref_if i_pll_ref
#endif
)
{
@@ -506,13 +506,11 @@ void usb_audio_io(chanend ?c_aud_in,
#if (XUA_SPDIF_RX_EN || ADAT_RX)
{
/* ClockGen must currently run on same tile as AudioHub due to shared memory buffer */
/* ClockGen must currently run on same tile as AudioHub due to shared memory buffer
* However, due to the use of an interface the pll reference signal port can be on another tile
*/
thread_speed();
#if AUDIO_IO_TILE == PLL_REF_TILE
clockGen(c_spdif_rx, c_adat_rx, p_pll_ref, c_dig_rx, c_clk_ctl, c_clk_int);
#else
clockGen(c_spdif_rx, c_adat_rx, i_sync, c_dig_rx, c_clk_ctl, c_clk_int);
#endif
clockGen(c_spdif_rx, c_adat_rx, i_pll_ref, c_dig_rx, c_clk_ctl, c_clk_int);
}
#endif
@@ -590,8 +588,8 @@ int main()
#endif
#endif
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC) || (XUA_SPDIF_RX_EN && (AUDIO_IO_TILE != PLL_REF_TILE))
interface sync_if i_sync;
#if ((XUA_SYNCMODE == XUA_SYNCMODE_SYNC) || XUA_SPDIF_RX_EN || ADAT_RX)
interface pll_ref_if i_pll_ref;
#endif
USER_MAIN_DECLARATIONS
@@ -600,8 +598,8 @@ int main()
{
USER_MAIN_CORES
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC) || (XUA_SPDIF_RX_EN && (AUDIO_IO_TILE != PLL_REF_TILE))
on tile[PLL_REF_TILE]: PllRefPinTask(i_sync, p_pll_ref);
#if ((XUA_SYNCMODE == XUA_SYNCMODE_SYNC) || XUA_SPDIF_RX_EN || ADAT_RX)
on tile[PLL_REF_TILE]: PllRefPinTask(i_pll_ref, p_pll_ref);
#endif
on tile[XUD_TILE]:
par
@@ -629,7 +627,7 @@ int main()
#endif
, c_clk_int, c_clk_ctl, dfuInterface
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
, i_sync
, i_pll_ref
#endif
VENDOR_REQUESTS_PARAMS_
@@ -656,8 +654,8 @@ int main()
#endif
, c_pdm_pcm
#endif
#if (XUA_SPDIF_RX_EN && (AUDIO_IO_TILE != PLL_REF_TILE))
, i_sync
#if (XUA_SPDIF_RX_EN || ADAT_RX)
, i_pll_ref
#endif
);
}
@@ -720,7 +718,7 @@ int main()
#if XUA_USB_EN
#if (XUD_TILE != 0 ) && (AUDIO_IO_TILE != 0) && (XUA_DFU_EN == 1)
/* Run flash code on its own - hope it gets combined */
//#warning Running DFU flash code on its own
//#warning Running DFU flash code on its own
on stdcore[0]: DFUHandler(dfuInterface, null);
#endif
#endif