* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifndef OPENOCD_JTAG_INTERFACE_H
#define OPENOCD_JTAG_INTERFACE_H
#include <jtag/jtag.h>
+#include <target/armv7m_trace.h>
/* @file
* The "Cable Helper API" is what the cable drivers can use to help
*/
struct jtag_interface {
/** The name of the JTAG interface driver. */
- char *name;
+ const char * const name;
/**
* Bit vector listing capabilities exposed by this driver.
#define DEBUG_CAP_TMS_SEQ (1 << 0)
/** transports supported in C code (NULL terminated vector) */
- const char **transports;
+ const char * const *transports;
const struct swd_driver *swd;
* @returns ERROR_OK on success, or an error code on failure.
*/
int (*srst_asserted)(int *srst_asserted);
+
+ /**
+ * Configure trace parameters for the adapter
+ *
+ * @param enabled Whether to enable trace
+ * @param pin_protocol Configured pin protocol
+ * @param port_size Trace port width for sync mode
+ * @param trace_freq A pointer to the configured trace
+ * frequency; if it points to 0, the adapter driver must write
+ * its maximum supported rate there
+ * @returns ERROR_OK on success, an error code on failure.
+ */
+ int (*config_trace)(bool enabled, enum tpiu_pin_protocol pin_protocol,
+ uint32_t port_size, unsigned int *trace_freq);
+
+ /**
+ * Poll for new trace data
+ *
+ * @param buf A pointer to buffer to store received data
+ * @param size A pointer to buffer size; must be filled with
+ * the actual amount of bytes written
+ *
+ * @returns ERROR_OK on success, an error code on failure.
+ */
+ int (*poll_trace)(uint8_t *buf, size_t *size);
};
-extern const char *jtag_only[];
+extern const char * const jtag_only[];
-extern const struct swd_driver *swd;
+void adapter_assert_reset(void);
+void adapter_deassert_reset(void);
+int adapter_config_trace(bool enabled, enum tpiu_pin_protocol pin_protocol,
+ uint32_t port_size, unsigned int *trace_freq);
+int adapter_poll_trace(uint8_t *buf, size_t *size);
#endif /* OPENOCD_JTAG_INTERFACE_H */