diff options
Diffstat (limited to 'firmware/include/simtrace_usb.h')
| -rw-r--r-- | firmware/include/simtrace_usb.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/firmware/include/simtrace_usb.h b/firmware/include/simtrace_usb.h new file mode 100644 index 0000000..c020093 --- /dev/null +++ b/firmware/include/simtrace_usb.h @@ -0,0 +1,24 @@ +#ifndef SIMTRACE_USB_H +#define SIMTRACE_USB_H + +//#include <stdint.h> + +/* this is kept compatible with OpenPCD protocol */ +struct simtrace_hdr { + u_int8_t cmd; + u_int8_t flags; + u_int8_t res[2]; + u_int8_t data[0]; +} __attribute__ ((packed)); + +enum simtrace_usb_msgt { + SIMTRACE_MSGT_NULL, + SIMTRACE_MSGT_DATA, + SIMTRACE_MSGT_RESET, /* reset was asserted, no more data */ +}; + +/* flags for MSGT_DATA */ +#define SIMTRACE_FLAG_ATR 0x01 /* ATR immediately after reset */ +#define SIMTRACE_FLAG_WTIME_EXP 0x04 /* work waiting time expired */ + +#endif /* SIMTRACE_USB_H */ |