$//$ Write a two digit hex value at row number row void writeHexToLCD$($unsigned char hex, int row$)\{$ unsigned char temp$\_$L;

unsigned char temp$\_$H;

temp$\_$H $=$ hex & $0$xF$0$;

temp$\_\_$H $=$ temp$\_$H $>>4$;

if $($temp$\_$H$>9)\{$

temp$\_$H $+=037$;

$\}$ else $\{$

temp$\_$H $+=030$;

$\}$

temp$\_$L $=$ hex & $0$x$0$F;

if $($temp$\_$L$>9)\{$

temp$\_$L $+=037$;

$\}$ else $\{$

temp$\_$L $+=030$;

$\}$

unsigned char cursor $=$ row $==1?085$:$0$ C $5$ ;

setCursor$($cursor$)$;

writeChar$($temp$\_$H$)$;

writeChar$($temp$\_$L$)$;

writeChar$(\text{'}$h$\text{'})$;

$\}$