diff options
| author | Keith Packard <keithp@keithp.com> | 2013-03-24 15:29:32 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2013-05-07 20:07:52 -0700 |
| commit | 0b6128d634c49e1790675ae8111e970b1af1f141 (patch) | |
| tree | 8aaedf95606c654bb0fd99df5154f9ae5b77b6a6 /ao-tools | |
| parent | 3cbec0292d5167bce5c23eeea95f7a2d13bccc79 (diff) | |
ao-tools/lib: Deal with binary USB data in debugging output
Dump non-ascii characters in hex format.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'ao-tools')
| -rw-r--r-- | ao-tools/lib/cc-usb.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/ao-tools/lib/cc-usb.c b/ao-tools/lib/cc-usb.c index f8275243..485583f9 100644 --- a/ao-tools/lib/cc-usb.c +++ b/ao-tools/lib/cc-usb.c @@ -140,7 +140,10 @@ cc_usb_dbg(int indent, uint8_t *bytes, int len) case '\n': eol = 1; default: - ccdbg_debug(CC_DEBUG_BITBANG, "%c", c); + if (c < ' ' || c > '~') + ccdbg_debug(CC_DEBUG_BITBANG, "\\%02x", c); + else + ccdbg_debug(CC_DEBUG_BITBANG, "%c", c); } } } @@ -190,6 +193,7 @@ _cc_usb_sync(struct cc_usb *cc, int wait_for_input) ret = read(cc->fd, cc->in_buf + cc->in_count, CC_IN_BUF - cc->in_count); if (ret > 0) { + int i; cc_usb_dbg(24, cc->in_buf + cc->in_count, ret); cc->in_count += ret; if (cc->hex_count) |