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authoroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2009-05-11 07:47:53 +0000
committeroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2009-05-11 07:47:53 +0000
commit978a4bb4b4542b3f4ca60fd8ed707a33329ee3b9 (patch)
treeab80e1b39ea681293895ecbed0c08250eb9581ea
parent84ca1a9ef05fe79c541e3f4241955ed235111f4d (diff)
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switch to jtag_add_callback() - USB performance fix
git-svn-id: svn://svn.berlios.de/openocd/trunk@1732 b42882b7-edfa-0310-969c-e2dbd0fdcd60
-rw-r--r--src/target/etb.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/src/target/etb.c b/src/target/etb.c
index 6ad283c6..81e45156 100644
--- a/src/target/etb.c
+++ b/src/target/etb.c
@@ -157,6 +157,13 @@ static int etb_get_reg(reg_t *reg)
return ERROR_OK;
}
+
+static void etb_getbuf(u8 *in)
+{
+ *((u32 *)in)=buf_get_u32(in, 0, 32);
+}
+
+
static int etb_read_ram(etb_t *etb, u32 *data, int num_frames)
{
scan_field_t fields[3];
@@ -169,9 +176,8 @@ static int etb_read_ram(etb_t *etb, u32 *data, int num_frames)
fields[0].tap = etb->tap;
fields[0].num_bits = 32;
fields[0].out_value = NULL;
- u8 tmp[4];
- fields[0].in_value = tmp;
-
+ fields[0].in_value = NULL;
+
fields[1].tap = etb->tap;
fields[1].num_bits = 7;
fields[1].out_value = malloc(1);
@@ -197,9 +203,10 @@ static int etb_read_ram(etb_t *etb, u32 *data, int num_frames)
else
buf_set_u32(fields[1].out_value, 0, 7, 0);
- jtag_add_dr_scan_now(3, fields, TAP_INVALID);
+ fields[0].in_value = (u8 *)(data+i);
+ jtag_add_dr_scan(3, fields, TAP_INVALID);
- data[i]=buf_get_u32(tmp, 0, 32);
+ jtag_add_callback(etb_getbuf, (u8 *)(data+i));
}
jtag_execute_queue();