* sample requests together. Not waiting for a value to come back can greatly
* increase throughput. */
struct bitbang_interface {
- /** Sample TDO. */
+ /** Sample TDO and return the value. */
bb_value_t (*read)(void);
/** The number of TDO samples that can be buffered up before the caller has
* to call read_sample. */
size_t buf_size;
+
/** Sample TDO and put the result in a buffer. */
int (*sample)(void);
+
/** Return the next unread value from the buffer. */
bb_value_t (*read_sample)(void);
/** Set TCK, TMS, and TDI to the given values. */
int (*write)(int tck, int tms, int tdi);
- int (*reset)(int trst, int srst);
+
+ /** Blink led (optional). */
int (*blink)(int on);
+
+ /** Sample SWDIO and return the value. */
int (*swdio_read)(void);
+
+ /** Set direction of SWDIO. */
void (*swdio_drive)(bool on);
-};
-const struct swd_driver bitbang_swd;
+ /** Set SWCLK and SWDIO to the given value. */
+ int (*swd_write)(int swclk, int swdio);
+};
-extern bool swd_mode;
+extern const struct swd_driver bitbang_swd;
int bitbang_execute_queue(void);
extern struct bitbang_interface *bitbang_interface;
-void bitbang_switch_to_swd(void);
-int bitbang_swd_switch_seq(enum swd_special_seq seq);
#endif /* OPENOCD_JTAG_DRIVERS_BITBANG_H */