Add jtag_queue_command() by Michael Bruck <mbruck@digenius.de> [3/8]

git-svn-id: svn://svn.berlios.de/openocd/trunk@1817 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/jtag/jtag.c

@@ -672,32 +672,31 @@ void jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, tap_state_t st
 
 int MINIDRIVER(interface_jtag_add_plain_ir_scan)(int num_fields, scan_field_t *fields, tap_state_t state)
 {
-	int i;
-	jtag_command_t **last_cmd;
+	/* allocate memory for a new list member */
 
-	last_cmd = jtag_get_last_command_p();
+	jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+	
+	jtag_queue_command(cmd);
 
-	/* allocate memory for a new list member */
-	*last_cmd = cmd_queue_alloc(sizeof(jtag_command_t));
-	(*last_cmd)->next = NULL;
-	last_comand_pointer = &((*last_cmd)->next);
-	(*last_cmd)->type = JTAG_SCAN;
+	cmd->type = JTAG_SCAN;
 
 	/* allocate memory for ir scan command */
-	(*last_cmd)->cmd.scan = cmd_queue_alloc(sizeof(scan_command_t));
-	(*last_cmd)->cmd.scan->ir_scan = true;
-	(*last_cmd)->cmd.scan->num_fields = num_fields;
-	(*last_cmd)->cmd.scan->fields = cmd_queue_alloc(num_fields * sizeof(scan_field_t));
-	(*last_cmd)->cmd.scan->end_state = state;
+	cmd->cmd.scan = cmd_queue_alloc(sizeof(scan_command_t));
+	cmd->cmd.scan->ir_scan = true;
+	cmd->cmd.scan->num_fields = num_fields;
+	cmd->cmd.scan->fields = cmd_queue_alloc(num_fields * sizeof(scan_field_t));
+	cmd->cmd.scan->end_state = state;
 
-	for( i = 0 ; i < num_fields ; i++ ){
+	for (int i = 0; i < num_fields; i++)
+	{
 		int num_bits = fields[i].num_bits;
 		int num_bytes = CEIL(fields[i].num_bits, 8);
-		(*last_cmd)->cmd.scan->fields[i].tap = fields[i].tap;
-		(*last_cmd)->cmd.scan->fields[i].num_bits = num_bits;
-		(*last_cmd)->cmd.scan->fields[i].out_value = buf_cpy(fields[i].out_value, cmd_queue_alloc(num_bytes), num_bits);
-		(*last_cmd)->cmd.scan->fields[i].in_value = fields[i].in_value;
+		cmd->cmd.scan->fields[i].tap = fields[i].tap;
+		cmd->cmd.scan->fields[i].num_bits = num_bits;
+		cmd->cmd.scan->fields[i].out_value = buf_cpy(fields[i].out_value, cmd_queue_alloc(num_bytes), num_bits);
+		cmd->cmd.scan->fields[i].in_value = fields[i].in_value;
 	}
+
 	return ERROR_OK;
 }