* 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. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
#ifndef SWD_H
/* followed by TRN, 3-bits of ACK, TRN */
/* pbit16 holds precomputed parity bits for each nibble */
-#define pbit(parity, nibble) (parity << nibble)
+#define pbit(parity, nibble) ((parity) << (nibble))
static const uint16_t pbit16 =
pbit(0, 0) | pbit(1, 1) | pbit(1, 2) | pbit(0, 3)
| pbit(1, 8) | pbit(0, 9) | pbit(0, 0xa) | pbit(1, 0xb)
| pbit(0, 0xc) | pbit(1, 0xd) | pbit(1, 0xe) | pbit(0, 0xf);
-#define nibble_parity(nibble) (pbit16 & pbit(1, nibble))
+#define nibble_parity(nibble) (pbit16 & pbit(1, (nibble)))
/**
* Construct a "cmd" byte, in lSB bit order, which swd_driver.read_reg()
*/
int (*write_reg)(uint8_t cmd, uint32_t value);
- /* XXX START WITH enough to:
- * init (synch mode, WCR)
- * for async, TRN > 1
- * read IDCODE from DP
- */
+ /**
+ * Synchronous block read of an AP or DP register.
+ *
+ * @param cmd with APnDP/RnW/addr/parity bits
+ * @param number of reads from register to be executed
+ * @param buffer to store data read from register
+ *
+ * @return SWD_ACK_* code for the transaction
+ * or (negative) fault code
+ */
+ int (*read_block)(uint8_t cmd, uint32_t blocksize, uint8_t *buffer);
/**
* Configures data collection from the Single-wire
void swd_add_reset(int req_srst);
bool transport_is_swd(void);
+bool transport_is_cmsis_dap(void);
#endif /* SWD_H */