From 5b8f47a70a57765ba04a4d75dfa31a2f55f75029 Mon Sep 17 00:00:00 2001 From: root Date: Sat, 20 Mar 2021 16:20:42 +0000 Subject: add alarm support --- app/util.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'app/util.c') diff --git a/app/util.c b/app/util.c index 7f05a60..b0ffe53 100644 --- a/app/util.c +++ b/app/util.c @@ -55,3 +55,13 @@ unsigned le_bcd (uint8_t *d, unsigned s, unsigned e) } +unsigned xtoi (char c) +{ + if ((c >= '0') && (c <= '9')) return c - '0'; + + if ((c >= 'a') && (c <= 'f')) return 0xa + (c - 'a'); + + if ((c >= 'A') && (c <= 'F')) return 0xA + (c - 'A'); + + return 0; +} -- cgit v1.2.3