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Update use of shared memory to abide by parallel usage rules

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This commit is contained in:
Dave Lacey
2012-04-17 16:01:40 +01:00
parent b900002f84
commit 579c09546e
6 changed files with 188 additions and 132 deletions
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19
module_usb_aud_shared/usb_buffer/usb_buffer.xc
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@@ -21,9 +21,7 @@
XUD_ep XUD_Init_Ep(chanend c_ep);
inline void XUD_SetNotReady(XUD_ep e)
static inline void XUD_SetNotReady(XUD_ep e)
{
int chan_array_ptr;
asm ("ldw %0, %1[0]":"=r"(chan_array_ptr):"r"(e));
@@ -134,12 +132,8 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
xc_ptr midi_to_host_buffer = 0;
xc_ptr midi_to_host_waiting_buffer = 0;
#endif
#ifdef IAP
xc_ptr iap_from_host_buffer = 0;
xc_ptr iap_to_host_buffer = 0;
xc_ptr iap_to_host_waiting_buffer = 0;
#endif
xc_ptr p_inZeroBuff = array_to_xc_ptr(inZeroBuff);
set_thread_fast_mode_on();
@@ -156,7 +150,9 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
#endif
asm("stw %0, dp[aud_from_host_usb_ep]"::"r"(ep_aud_out));
asm("stw %0, dp[aud_to_host_usb_ep]"::"r"(ep_aud_in));
#ifdef HID_CONTROLS
asm("stw %0, dp[g_ep_hid]"::"r"(ep_hid));
#endif
asm("stw %0, dp[buffer_aud_ctl_chan]"::"r"(c_aud_ctl));
/* Wait for USB connect then setup our first packet */
@@ -174,7 +170,8 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
mid*=NUM_USB_CHAN_IN*4;
else
mid*=NUM_USB_CHAN_IN*3;
asm("stw %0, %1[0]"::"r"(mid),"r"(inZeroBuff));
asm("stw %0, %1[0]"::"r"(mid),"r"(p_inZeroBuff));
#ifdef FB_TOLERANCE_TEST
expected_fb = ((DEFAULT_FREQ * 0x2000) / 1000);
@@ -324,7 +321,7 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
else
mid *= NUM_USB_CHAN_IN*3;
asm("stw %0, %1[0]"::"r"(mid),"r"(inZeroBuff));
asm("stw %0, %1[0]"::"r"(mid),"r"(p_inZeroBuff));
/* Reset FB */
/* Note, Endpoint 0 will hold off host for a sufficient period to allow out feedback