switch to jtag_add_callback() - USB performance fix

git-svn-id: svn://svn.berlios.de/openocd/trunk@1732 b42882b7-edfa-0310-969c-e2dbd0fdcd60

diff --git a/src/target/etb.c b/src/target/etb.c
index 6ad283c65b6b12f16c8448d5913dab5aed0a847e..81e45156892a5135b1f91b461ec95a2ef8e4cb1d 100644 (file)
--- 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();