Remove superfluous extern for non-existant global variable.

[openocd.git] / src / jtag / jtag.h

diff --git a/src/jtag/jtag.h b/src/jtag/jtag.h
index a3e61e3bad5e1ff4c690dd6dfc822559980bb359..1b0bed0e9dbb410fab7d45d336dc08b9c9d0fa79 100644 (file)
--- a/src/jtag/jtag.h
+++ b/src/jtag/jtag.h
@@ -243,8 +243,10 @@ struct jtag_tap_event_action_s
        jtag_tap_event_action_t* next;
 };
 
-extern int jtag_trst;
-extern int jtag_srst;
+/// @returns The current state of TRST.
+int jtag_get_trst(void);
+/// @returns The current state of SRST.
+int jtag_get_srst(void);
 
 typedef struct jtag_event_callback_s
 {
@@ -253,10 +255,16 @@ typedef struct jtag_event_callback_s
        struct jtag_event_callback_s* next;
 } jtag_event_callback_t;
 
-extern jtag_event_callback_t* jtag_event_callbacks;
-
-extern int jtag_speed;
-extern int jtag_speed_post_reset;
+/// @returns The current JTAG speed setting.
+int jtag_get_speed(void);
+/**
+ * Set the JTAG speed. This routine will call the underlying
+ * interface @c speed callback, if the interface has been initialized.
+ * @param speed The new speed setting.
+ * @returns ERROR_OK during configuration or on success, or an error
+ *   code returned from the interface @c speed callback.
+ */
+int jtag_set_speed(int speed);
 
 enum reset_types {
        RESET_NONE            = 0x0,