Instruction Manual

7.3. API List and Descriptions
7.3.1 Type Definitions
Typedef char i8;
Typedef unsigned char u8;
Typedef short i16;
Typedef unsigned short u16;
Typedef unsigned long u32;
Typedef int i32;
7.3.2 LCD Control Module
1. i32 clrscrLcm( void )
Description: Clear the screen of the LCM.
Return value: 0 after the screen is cleared.
2. i32 cursorLcm( bool mode )
Description: According to the argument ‘mode’, show the cursor on the LCM screen or eliminate
the cursor on the LCM screen. The position of the cursor is unchanged.
mode = true, show the cursor.
mode = false, eliminate the cursor.
Return value: 0 after the cursor has been shown or eliminated.
3. i32 cursorActionLcm( i32 type)
Description: According to the argument ‘type’, move the cursor to the indicated position. The
displayed text is not altered.
type = HOME, move the cursor to row 0, column 0.
type = MOVERIGHT, move the cursor to the column which is to the right of its original position
if the original column < 15.
type = MOVELEFT, move the cursor to the column which is to the left of its original position if
the original column > 0.
type = MOVEBACK, move the cursor to the column which is to the left of its original position
and delete the character at the new position if the original
column > 0.
Return value: 0 after the cursor is moved.
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