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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
__archive__
oharboe 2009-05-11 09:18:02 +00:00
parent 6e1b0ba9ac
commit a6713a5c62
1 changed files with 11 additions and 4 deletions
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15
src/pld/virtex2.c
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@ -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);
*words++=flip_u32(le_to_h_u32(tmp), 32);
jtag_add_callback(virtexflip32, (u8 *)words);
words++;;
}
return ERROR_OK;