$//$ 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 $H4$; if $($temp$\_$H$>H)\{$ 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 $==1?085$:$0C5$; setCursor$($cursor$)$;

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

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

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