From 0b6128d634c49e1790675ae8111e970b1af1f141 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Sun, 24 Mar 2013 15:29:32 -0700 Subject: [PATCH] ao-tools/lib: Deal with binary USB data in debugging output Dump non-ascii characters in hex format. Signed-off-by: Keith Packard --- ao-tools/lib/cc-usb.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) 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) -- 2.30.2