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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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10
module_usb_aud_shared/usb_buffer/usb_buffer.xc
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@@ -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
}