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jtag_add_shift() fn - minidriver work in progress.

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git-svn-id: svn://svn.berlios.de/openocd/trunk@367 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe
2008-02-28 09:21:56 +00:00
parent ebbcbd3f29
commit 7cdb05b7d6
2 changed files with 67 additions and 0 deletions
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37
src/jtag/jtag.c
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@@ -1898,6 +1898,43 @@ int handle_drscan_command(struct command_context_s *cmd_ctx, char *cmd, char **a
return ERROR_OK;
}
int MINIDRIVER(interface_jtag_add_shift)(const enum tap_state shift_state, const enum tap_state end_state, int num_bits, u32 value)
{
u8 out_buf[4];
buf_set_u32(out_buf, 0, 32, flip_u32(value, 32));
/* allocate memory for a new list member */
jtag_command_t **last_cmd;
last_cmd = jtag_get_last_command_p();
*last_cmd = cmd_queue_alloc(sizeof(jtag_command_t));
last_comand_pointer = &((*last_cmd)->next);
(*last_cmd)->next = NULL;
(*last_cmd)->type = JTAG_SCAN;
/* allocate memory for scan command */
(*last_cmd)->cmd.scan = cmd_queue_alloc(sizeof(scan_command_t));
(*last_cmd)->cmd.scan->ir_scan = (shift_state==TAP_SI);
(*last_cmd)->cmd.scan->num_fields = 1;
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc(1 * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = end_state;
int num_bytes = CEIL(num_bits, 8);
int i=0;
(*last_cmd)->cmd.scan->fields[i].device = 0; /* not used by any drivers */
(*last_cmd)->cmd.scan->fields[i].num_bits = num_bits;
(*last_cmd)->cmd.scan->fields[i].out_value = buf_cpy(out_buf, cmd_queue_alloc(num_bytes), num_bits);
(*last_cmd)->cmd.scan->fields[i].out_mask = NULL;
(*last_cmd)->cmd.scan->fields[i].in_value = NULL;
(*last_cmd)->cmd.scan->fields[i].in_check_value = NULL;
(*last_cmd)->cmd.scan->fields[i].in_check_mask = NULL;
(*last_cmd)->cmd.scan->fields[i].in_handler = NULL;
(*last_cmd)->cmd.scan->fields[i].in_handler_priv = NULL;
return ERROR_OK;
}
int handle_verify_ircapture_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
if (argc == 1)