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Add IAP_BUFFERED preprocessor macro to filter out new work to put iAP through buffer and decouple.

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This commit is contained in:
Russell Gallop
2011-08-11 15:19:39 +01:00
parent 85d5e6980d
commit d4e1bc3906
5 changed files with 38 additions and 2 deletions
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4
module_usb_aud_shared/devicedefines.h
View File

@@ -13,6 +13,10 @@
#undef IAP
#endif
#if defined(IAP_BUFFERED) && (IAP_BUFFERED == 0)
#undef IAP_BUFFERED
#endif
#if defined(MIDI) && (MIDI == 0)
#undef MIDI
#endif

6
module_usb_aud_shared/usb_buffer/decouple.h
View File

@@ -13,6 +13,10 @@
*/
void decouple(chanend c_audio_out,
chanend ?c_led,
chanend ?c_midi, chanend ?c_clk_int, chanend ?c_iap);
chanend ?c_midi, chanend ?c_clk_int
#ifdef IAP_BUFFERED
, chanend ?c_iap
#endif
);
#endif // __decouple_h__

18
module_usb_aud_shared/usb_buffer/decouple.xc
View File

@@ -5,7 +5,9 @@
#define NO_INLINE_MIDI_SELECT_HANDLER 1
#include "usb_midi.h"
#define NO_INLINE_IAP_SELECT_HANDLER 1
#ifdef IAP_BUFFERED
#include "iAP.h"
#endif
#include "devicedefines.h"
#include "testct_byref.h"
#include "interrupt.h"
@@ -157,12 +159,14 @@ int midi_from_host_usb_ep = 0;
#endif
#ifdef IAP
#ifdef IAP_BUFFERED
unsigned g_iap_from_host_flag = 0;
unsigned g_iap_to_host_flag = 0;
int iap_to_host_usb_ep = 0;
int iap_to_host_int_usb_ep = 0;
int iap_from_host_usb_ep = 0;
#endif
#endif
int aud_from_host_usb_ep = 0;
int aud_to_host_usb_ep = 0;
@@ -175,10 +179,12 @@ int g_midi_from_host_buffer[MAX_USB_MIDI_PACKET_SIZE/4+4];
#endif
#ifdef IAP
#ifdef IAP_BUFFERED
unsigned int g_iap_to_host_buffer_A[MAX_IAP_PACKET_SIZE/4+4];
unsigned int g_iap_to_host_buffer_B[MAX_IAP_PACKET_SIZE/4+4];
int g_iap_from_host_buffer[MAX_IAP_PACKET_SIZE/4+4];
#endif
#endif
// shared global aud buffering variables
@@ -631,7 +637,11 @@ void check_for_interrupt(chanend ?c_clk_int) {
#pragma unsafe arrays
void decouple(chanend c_mix_out,
chanend ?c_midi, chanend ?c_clk_int, chanend ?c_iap)
chanend ?c_midi, chanend ?c_clk_int
#ifdef IAP_BUFFERED
, chanend ?c_iap
#endif
)
{
unsigned sampFreq = DEFAULT_FREQ;
int aud_from_host_flag=0;
@@ -654,6 +664,7 @@ void decouple(chanend c_mix_out,
#endif
#ifdef IAP
#ifdef IAP_BUFFERED
xc_ptr iap_from_host_rdptr;
xc_ptr iap_from_host_buffer;
xc_ptr iap_to_host_buffer_being_sent = array_to_xc_ptr(g_iap_to_host_buffer_A);
@@ -666,6 +677,7 @@ void decouple(chanend c_mix_out,
int iap_waiting_on_send_to_host = 0;
int iap_to_host_flag = 0;
int iap_from_host_flag = 0;
#endif
#endif
int t = array_to_xc_ptr(outAudioBuff);
@@ -737,6 +749,7 @@ void decouple(chanend c_mix_out,
#endif
#ifdef IAP
#ifdef IAP_BUFFERED
//asm("ldaw %0, dp[g_iap_to_host_buffer]":"=r"(iap_to_host_buffer));
asm("ldaw %0, dp[g_iap_from_host_buffer]":"=r"(iap_from_host_buffer));
@@ -751,6 +764,7 @@ void decouple(chanend c_mix_out,
// send the current host -> device buffer out of the fifo
XUD_SetReady(iap_from_host_usb_ep, 1);
#endif
#endif
#ifdef OUTPUT
// wait for usb_buffer to set up
@@ -1166,6 +1180,7 @@ void decouple(chanend c_mix_out,
#endif // MIDI
#ifdef IAP
#ifdef IAP_BUFFERED
/* Check if buffer() has send IAP packet to host */
GET_SHARED_GLOBAL(iap_to_host_flag, g_iap_to_host_flag);
if (iap_to_host_flag)
@@ -1287,6 +1302,7 @@ void decouple(chanend c_mix_out,
default:
break;
}
#endif
#endif // IAP
}
}

2
module_usb_aud_shared/usb_buffer/usb_buffer.h
View File

@@ -19,9 +19,11 @@
void buffer(chanend c_aud_out, chanend c_aud_in, chanend c_aud_fb,
chanend c_midi_from_host,
chanend c_midi_to_host,
#ifdef IAP_BUFFERED
chanend c_iap_from_host,
chanend c_iap_to_host,
chanend c_iap_to_host_int,
#endif
chanend? c_int,
chanend c_sof,
chanend c_aud_ctl,

10
module_usb_aud_shared/usb_buffer/usb_buffer.xc
View File

@@ -74,9 +74,11 @@ extern unsigned g_numUsbChanIn;
void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud_fb,
chanend c_midi_from_host,
chanend c_midi_to_host,
#ifdef IAP_BUFFERED
chanend c_iap_from_host,
chanend c_iap_to_host,
chanend c_iap_to_host_int,
#endif
chanend ?c_int, chanend c_sof,
chanend c_aud_ctl,
in port p_off_mclk
@@ -90,10 +92,12 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
XUD_ep ep_midi_to_host = XUD_Init_Ep(c_midi_to_host);
#endif
#ifdef IAP
#ifdef IAP_BUFFERED
XUD_ep ep_iap_from_host = XUD_Init_Ep(c_iap_from_host);
XUD_ep ep_iap_to_host = XUD_Init_Ep(c_iap_to_host);
XUD_ep ep_iap_to_host_int = XUD_Init_Ep(c_iap_to_host_int);
#endif
#endif
#if defined(SPDIF_RX) || defined(ADAT_RX)
XUD_ep ep_int = XUD_Init_Ep(c_int);
#endif
@@ -125,9 +129,11 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
#endif
#ifdef IAP
#ifdef IAP_BUFFERED
xc_ptr iap_from_host_buffer = 0;
xc_ptr iap_to_host_buffer = 0;
xc_ptr iap_to_host_waiting_buffer = 0;
#endif
#endif
set_thread_fast_mode_on();
@@ -178,6 +184,7 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
#endif
#ifdef IAP
#ifdef IAP_BUFFERED
// get the two buffers to use for iap device->host
asm("ldaw %0, dp[g_iap_to_host_buffer_A]":"=r"(iap_to_host_buffer));
asm("ldaw %0, dp[g_iap_to_host_buffer_B]":"=r"(iap_to_host_waiting_buffer));
@@ -192,6 +199,7 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
swap(iap_to_host_buffer, iap_to_host_waiting_buffer);
SET_SHARED_GLOBAL(g_iap_from_host_flag, 1);
#endif
#endif
#ifdef OUTPUT
SET_SHARED_GLOBAL(g_aud_from_host_flag, 1);
@@ -537,6 +545,7 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
#endif
#ifdef IAP
#ifdef IAP_BUFFERED
case inuint_byref(c_iap_from_host, tmp):
asm("#iap h->d");
@@ -579,6 +588,7 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
swap(iap_to_host_buffer, iap_to_host_waiting_buffer);
break;
#endif
#endif
}