remove sleep from examples

Makefile

@@ -1,11 +1,12 @@
 CC=gcc
 CFLAGS=-O0 -g3 -ggdb -std=c89 -W -Werror -Wall -Wextra -Wpedantic -pedantic-errors -Wformat-signedness -I.
-CFLAGS+=-Wlogical-op -Wmissing-declarations -Wswitch-default -Wundef -Wformat=2 -lasan
+CFLAGS+=-Wlogical-op -Wmissing-declarations -Wswitch-default -Wundef -Wformat=2 -lasan -lm
 CFLAGS+=-fsanitize=pointer-overflow,undefined,shift,shift-exponent,shift-base,integer-divide-by-zero,null,signed-integer-overflow,bounds
-LFLAGS=-lm
 CFILES=$(wildcard *.c)
+BINFILE=lis3dh
+
 all:
-	$(CC) $(CFLAGS) $(CFILES) -o lis3dh $(LFLAGS)
+	$(CC) $(CFLAGS) $(CFILES) -o $(BINFILE)
 
 clean:
-	rm -rf lis3dh
+	rm -rf $(BINFILE)

example/double-click.c

@@ -123,10 +123,6 @@ int main() {
                 LIS3DH_CLICK_SCLICK(lis.src.click),
                 LIS3DH_CLICK_DCLICK(lis.src.click));
         }
-        
-        /* sleep for 5 ms because gpio sysfs is slow at clearing interrupts */
-        /* not necessary with "real" IRQ */
-        usleep(5000);
     }
     
     /* unregister interrupt */

example/inertial-wakeup.c

@@ -116,10 +116,6 @@ int main() {
             LIS3DH_INT_SRC_Y_LOW(lis.src.int1),
             LIS3DH_INT_SRC_X_HIGH(lis.src.int1),
             LIS3DH_INT_SRC_X_LOW(lis.src.int1));
-
-        /* sleep for 5 ms because gpio sysfs is slow at clearing interrupts */
-        /* not necessary with "real" IRQ */
-        usleep(5000);
     }
     
     /* unregister interrupt */

example/single-click.c

@@ -107,10 +107,6 @@ int main() {
                 LIS3DH_CLICK_SCLICK(lis.src.click),
                 LIS3DH_CLICK_DCLICK(lis.src.click));
         }
-
-        /* sleep for 5 ms because gpio sysfs is slow at clearing interrupts */
-        /* not necessary with "real" IRQ */
-        usleep(5000);
     }
     
     /* unregister interrupt */