diff options
Diffstat (limited to 'src/jtag/swd.h')
| -rw-r--r-- | src/jtag/swd.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/src/jtag/swd.h b/src/jtag/swd.h index 80d50ff8..f131ddbc 100644 --- a/src/jtag/swd.h +++ b/src/jtag/swd.h @@ -110,11 +110,17 @@ struct swd_driver { */ 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 @@ -135,5 +141,6 @@ int swd_init_reset(struct command_context *cmd_ctx); void swd_add_reset(int req_srst); bool transport_is_swd(void); +bool transport_is_cmsis_dap(void); #endif /* SWD_H */ |