From: oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Date: Mon, 11 May 2009 09:18:02 +0000 (+0000)
Subject: switch to jtag_add_dr_scan() from the synchronous version - USB performance fix
X-Git-Tag: v0.2.0~767
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=a6713a5c628a18ff9c9676c4522e6cd3043f4f2b;p=openocd

switch to jtag_add_dr_scan() from the synchronous version - USB performance fix

git-svn-id: svn://svn.berlios.de/openocd/trunk@1740 b42882b7-edfa-0310-969c-e2dbd0fdcd60
---

diff --git a/src/pld/virtex2.c b/src/pld/virtex2.c
index d9c26760..36fa89c4 100644
--- a/src/pld/virtex2.c
+++ b/src/pld/virtex2.c
@@ -92,6 +92,10 @@ int virtex2_send_32(struct pld_device_s *pld_device, int num_words, u32 *words)
 	return ERROR_OK;
 }
 
+static __inline__ void virtexflip32(u8 *in)
+{
+	*((u32 *)in)=flip_u32(le_to_h_u32(in), 32);
+}
 
 int virtex2_receive_32(struct pld_device_s *pld_device, int num_words, u32 *words)
 {
@@ -101,16 +105,19 @@ int virtex2_receive_32(struct pld_device_s *pld_device, int num_words, u32 *word
 	scan_field.tap = virtex2_info->tap;
 	scan_field.num_bits = 32;
 	scan_field.out_value = NULL;
-	u8 tmp[4];
-	scan_field.in_value = tmp;
+	scan_field.in_value = NULL;
 
 	virtex2_set_instr(virtex2_info->tap, 0x4); /* CFG_OUT */
 
 	while (num_words--)
 	{
-		jtag_add_dr_scan_now(1, &scan_field, TAP_DRPAUSE);
+		scan_field.in_value = (u8 *)words;
+		
+		jtag_add_dr_scan(1, &scan_field, TAP_DRPAUSE);
+
+		jtag_add_callback(virtexflip32, (u8 *)words);
 
-		*words++=flip_u32(le_to_h_u32(tmp), 32);
+		words++;;
 	}
 
 	return ERROR_OK;