Added negative sign for display and updated data interval.

Dependencies:   MMA8451Q SLCD_minus_mod mbed

Fork of ACC_LCD_341_MID by Stanley Cohen

Revision:
5:29c6ba524263
Parent:
3:c5291c70af48
--- a/SLCD.lib	Sun Nov 06 23:56:18 2016 +0000
+++ b/SLCD.lib	Mon Nov 14 15:50:33 2016 +0000
@@ -1,1 +1,1 @@
-https://developer.mbed.org/users/scohennm/code/SLCD_minus_mod/#ee727b8319f4
+https://developer.mbed.org/users/scohennm/code/SLCD_minus_mod/#507f2bd66aa9