From 6b36f7856f1cc88e86e80835c140dc374e20b754 Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Wed, 4 May 2011 22:58:14 +0200 Subject: lib: move delay.c from calypso to lib Nothing calypso-related in there and needed for Mediatek, too. Signed-off-by: Wolfram Sang --- src/target/firmware/lib/Makefile | 2 +- src/target/firmware/lib/delay.c | 16 ++++++++++++++++ 2 files changed, 17 insertions(+), 1 deletion(-) create mode 100644 src/target/firmware/lib/delay.c (limited to 'src/target/firmware/lib') diff --git a/src/target/firmware/lib/Makefile b/src/target/firmware/lib/Makefile index 987857c9..83f9966b 100644 --- a/src/target/firmware/lib/Makefile +++ b/src/target/firmware/lib/Makefile @@ -2,6 +2,6 @@ LIBRARIES+=mini mini_DIR=lib mini_SRCS=vsprintf.c string.c ctype.c printf.c console.c ctors.c \ - changebit.S clearbit.S div64.S lib1funcs.S memcpy.S memset.S setbit.S testchangebit.S testclearbit.S testsetbit.S + changebit.S clearbit.S delay.c div64.S lib1funcs.S memcpy.S memset.S setbit.S testchangebit.S testclearbit.S testsetbit.S diff --git a/src/target/firmware/lib/delay.c b/src/target/firmware/lib/delay.c new file mode 100644 index 00000000..443ca827 --- /dev/null +++ b/src/target/firmware/lib/delay.c @@ -0,0 +1,16 @@ +#include + +/* FIXME: We need properly calibrated delay loops at some point! */ +void delay_us(unsigned int us) +{ + volatile unsigned int i; + + for (i= 0; i < us*4; i++) { i; } +} + +void delay_ms(unsigned int ms) +{ + volatile unsigned int i; + + for (i= 0; i < ms*1300; i++) { i; } +} -- cgit v1.2.3