diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/console/vtxprintf.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/console/vtxprintf.c b/src/console/vtxprintf.c index 28c5a604e0..9de25845bd 100644 --- a/src/console/vtxprintf.c +++ b/src/console/vtxprintf.c @@ -69,8 +69,22 @@ static int number(void (*tx_byte)(unsigned char byte), i = 0; if (num == 0) tmp[i++]='0'; - else while (num != 0) - tmp[i++] = digits[do_div(num,base)]; + else while (num != 0){ + /* there are some nice optimizations in the + * Macros-From-Hell that form the div64 code + * *IF* you call it with a constant. + * We're firmware, we only do bases + * 8, 10, and 16. Let's be smart. + * This greatly helps ARM, reduces the + * code footprint at compile time, and does not hurt x86. + */ + if (base == 10) + tmp[i++] = digits[do_div(num,10)]; + else if (base == 8) + tmp[i++] = digits[do_div(num,8)]; + else /* sorry, you're out of choices */ + tmp[i++] = digits[do_div(num,16)]; + } if (i > precision) precision = i; size -= precision; |