Display

This section is a reference for all commands related to controlling the LCD panel.

Display positions

Digit display positions are denumerated from right to left, starting with 0 for the digit to the right of the running man. Digit 5 is only partially present on the RCXs display.

Native segment masks

In these bitmasks, bit 0 toggles the middle segment. Bit 1 toggles the top right segment, and the remaining segments are denumerated counterclockwise. The dot isn't encoded.

void cls ( );

Clear the user portion of screen

void cputs ( char * s );

Display an ASCIIZ string, only the first 5 characters will be displayed. if there are less than 5 characters, the remaining display positions will be cleared

Parameters:

s - the string to be displayed

void cputw ( unsigned word );

Display a hexword, position 0 not used

Parameters:

word - the word the be displayed

void cputc_hex_X ( unsigned nibble c );

Displays a hex value in position X

Parameters:

c - the value to be displayed

void lcd_int ( int i );

Displays an integer on the LCD screen. Position 0 not used.

Parameters:

i - the integer to be displayed

void lcd_unsigned ( unsigned int u );

Displays an unsigned integer value in decimal.

Parameters:

i - the unsigned integer to be displayed

void lcd_digit ( int i );

displays a digit at position 0

Parameters:

i - the digit to be displayed

void lcd_clock ( int i );

Parameters:

i - will be displayed with the format XX:XX

void number ( int i, lcd_number_style n, lcd_comma_style c );

fancy number display
Number Style: digit, sign, unsign
Comma Style: e0, e_1, e_2, e_3

Parameters:

i - the integer to be shown n the number style c the comma style

void lcd_hide ( char mask );

void lcd_show ( char mask );

hide and show the specified LCD segments

Parameters:

mask, see below -

LCD mask definitions

LCD_0_BOT, LCD_0_BOTL, LCD_0_BOTR, LCD_0_MID, LCD_0_TOP, LCD_0_TOPL, LCD_0_TOPR

LCD_1_BOT, LCD_1_BOTL, LCD_1_BOTR, LCD_1_MID, LCD_1_TOP, LCD_1_TOPL, LCD_1_TOPR

LCD_2_BOT, LCD_2_BOTL, LCD_2_BOTR, LCD_2_MID, LCD_2_TOP, LCD_2_TOPL, LCD_2_TOPR

LCD_3_BOT, LCD_3_BOTL, LCD_3_BOTR, LCD_3_MID, LCD_3_TOP, LCD_3_TOPL, LCD_3_TOPR

LCD_4_BOT, LCD_4_BOTL, LCD_4_BOTR, LCD_4_MID, LCD_4_TOP, LCD_4_TOPL, LCD_4_TOPR

LCD_5_MID

LCD_2_DOT, LCD_3_DOT, LCD_4_DOT

LCD_A_LEFT, LCD_A_RIGHT, LCD_A_SELECT

LCD_B_LEFT, LCD_B_RIGHT, LCD_B_SELECT

LCD_C_LEFT, LCD_C_RIGHT, LCD_C_SELECT

LCD_CIRCLE_0, LCD_CIRCLE_1, LCD_CIRCLE_2, LCD_CIRCLE_3

LCD_BATTERY_X

LCD_ARMS, LCD_1LEG, LCD_2LEGS, LCD_BODY

LCD_DOT_0, LCD_DOT_1, LCD_DOT_2, LCD_DOT_3, LCD_DOT_4,

LCD_IR_LOWER, LCD_IR_UPPER

LCD_EMPTY_1, LCD_EMPTY_2