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Started looking at getting IAP building

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This commit is contained in:
Ross Owen
2012-09-18 10:52:27 +01:00
parent e18e9f060f
commit af3b02dd5e
1 changed files with 10 additions and 9 deletions
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19
module_usb_audio/usb_buffer/usb_buffer.xc
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@@ -221,18 +221,18 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
#ifdef IAP
// 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));
asm("ldaw %0, dp[g_iap_from_host_buffer]":"=r"(iap_from_host_buffer));
// 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));
// asm("ldaw %0, dp[g_iap_from_host_buffer]":"=r"(iap_from_host_buffer));
// pass the iap->XUD chanends to decouple so that thread can
// initialize comm with XUD
asm("stw %0, dp[iap_to_host_usb_ep]"::"r"(ep_iap_to_host));
asm("stw %0, dp[iap_to_host_int_usb_ep]"::"r"(ep_iap_to_host_int));
asm("stw %0, dp[iap_from_host_usb_ep]"::"r"(ep_iap_from_host));
swap(iap_to_host_buffer, iap_to_host_waiting_buffer);
SET_SHARED_GLOBAL(g_iap_from_host_flag, 1);
// asm("stw %0, dp[iap_to_host_usb_ep]"::"r"(ep_iap_to_host));
//asm("stw %0, dp[iap_to_host_int_usb_ep]"::"r"(ep_iap_to_host_int));
//asm("stw %0, dp[iap_from_host_usb_ep]"::"r"(ep_iap_from_host));
//swap(iap_to_host_buffer, iap_to_host_waiting_buffer);
//SET_SHARED_GLOBAL(g_iap_from_host_flag, 1);
#endif
#ifdef OUTPUT
@@ -563,7 +563,8 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
#endif
#ifdef IAP
case testct_byref(c_iap_from_host, tmp):
//case testct_byref(c_iap_from_host, tmp):
case XUD_GetData_Select(c_iap_from_host, ep_iap_from_host, tmp):
asm("#iap h->d");
if (tmp) {
// Is a control token, not expected