#include "types.h"

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Data Structures
struct	LCD_POS

struct	MEASVAL

Macros
#define	USE_LCD 16

#define	NUM_BASE 10

#define	ALNUM_BASE 0x30

#define	NUM_LEN 6

#define	NUM_SDG 5

#define	VALUE_LENGTH 8

#define	BR_DBDP 3

#define	DF_DECPT '.'

#define	NAME_LENGTH 1

#define	FW_REV "R071"

Typedefs
typedef struct LCD_POS	LCD_POS

typedef struct MEASVAL	MEASVAL

typedef struct SETUP_ITEM	SETUP_ITEM

Functions
void	LcdInit (void)
	display initialization Alphanumeric LCD initialization Connections are specified in the Project\|Configure\|C Compiler\|Libraries\|Alphanumeric LCD menu: RS - PORTA Bit 0 RD - PORTA Bit 1 EN - PORTA Bit 2 D4 - PORTA Bit 4 D5 - PORTA Bit 5 D6 - PORTA Bit 6 D7 - PORTA Bit 7 Characters/line: 16 More...

void	WriteMeasVal (MEASVAL *mv)
	put a measurement value on lcd source value is being output as fixed decimal point number More...

void	WriteValue (MEASVAL *mv)
	write the payload value itself onto lcd while considering the data type More...

void	WriteSetupValue (SETUP_ITEM *si, UCHAR allow, UCHAR id)
	put a setup item on screen, which consist of a name and a value spread over two lines More...

void	WriteSetupGroup (UCHAR grp)

void	WriteCtrlMode (UCHAR name, UCHAR *cmName)

void	ntofa (UINT val, UCHAR *buf, DATTYPE dt)
	convert integer value to fixed decimal point string buffer must have at least a size of 8 bytes allocated More...

UINT	_exp10 (UCHAR n)

void	Welcome (void)
	put startup info on screen More...

Macro Definition Documentation

#define ALNUM_BASE 0x30

alphanumeric base

Definition at line 18 of file lcdisp.h.

Referenced by ntofa().

#define BR_DBDP 3

number of digits before decimal point

Definition at line 34 of file lcdisp.h.

Referenced by ntofa().

#define DF_DECPT '.'

default decimal point

Definition at line 38 of file lcdisp.h.

Referenced by ntofa().

#define FW_REV "R071"

firmware revision

Definition at line 46 of file lcdisp.h.

Referenced by Welcome().

#define NAME_LENGTH 1

length of name in a measurement value

Definition at line 42 of file lcdisp.h.

#define NUM_BASE 10

decimal number base

Definition at line 14 of file lcdisp.h.

Referenced by _exp10().

#define NUM_LEN 6

length of a mv number (without sign and decimal point)

Definition at line 22 of file lcdisp.h.

Referenced by ntofa().

#define NUM_SDG 5

number of significant digits of a mv value (MAX of UINT)

Definition at line 26 of file lcdisp.h.

Referenced by _exp10().

#define USE_LCD 16

number of columns of used lcd

Definition at line 10 of file lcdisp.h.

#define VALUE_LENGTH 8

length of mv value (including sign, decimal point and terminating null byte)

Definition at line 30 of file lcdisp.h.

Referenced by ntofa(), and WriteValue().

Typedef Documentation

typedef struct LCD_POS LCD_POS

definition of a position and the alignment of a string to put on LCD

typedef struct MEASVAL MEASVAL

definition of a measurement value to put on LCD

typedef struct SETUP_ITEM SETUP_ITEM

Definition at line 78 of file lcdisp.h.

Function Documentation

UINT _exp10 ( UCHAR n )

calculate the exponential to base 10

Parameters

n	number to calculate the exponential for

Returns: result of exponential to base 10

Definition at line 201 of file lcdisp.c.

References NUM_BASE, NUM_SDG, UCHAR, and UINT.

Referenced by ntofa().

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void LcdInit ( void )

display initialization Alphanumeric LCD initialization Connections are specified in the Project|Configure|C Compiler|Libraries|Alphanumeric LCD menu: RS - PORTA Bit 0 RD - PORTA Bit 1 EN - PORTA Bit 2 D4 - PORTA Bit 4 D5 - PORTA Bit 5 D6 - PORTA Bit 6 D7 - PORTA Bit 7 Characters/line: 16

Definition at line 23 of file lcdisp.c.

References LCDclr(), LCDinit(), and Welcome().

Referenced by Init().

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void ntofa	(	UINT	val,
		UCHAR *	buf,
		DATTYPE	dt
	)

convert integer value to fixed decimal point string buffer must have at least a size of 8 bytes allocated

Parameters

val	value being converted
buf	buffer for the conversion result
dt	data type to convert to

Definition at line 133 of file lcdisp.c.

References _exp10(), ALNUM_BASE, BR_DBDP, DF_DECPT, DT_CHAR, DT_INT, DT_TIME, DT_UCHAR, NUM_LEN, UCHAR, UINT, and VALUE_LENGTH.

Referenced by WriteValue().

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void Welcome ( void )

put startup info on screen

project name
revision or version number
vendor's name

Definition at line 225 of file lcdisp.c.

References FW_REV, LCDclr(), LCDGotoXY(), LCDstring(), and UCHAR.

Referenced by LcdInit().

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void WriteCtrlMode	(	UCHAR	name,
		UCHAR *	cmName
	)

puts the control mode onto screen and gives it a name

Parameters

name	of the control mode (of meas value)
cmName	hrf control mode

Definition at line 117 of file lcdisp.c.

References LCDGotoXY(), LCDsendChar(), LCDstring(), and UCHAR.

Referenced by main().

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void WriteMeasVal ( MEASVAL * mv )

put a measurement value on lcd source value is being output as fixed decimal point number

Parameters

mv	measurement value to extract values to put on screen from

Definition at line 34 of file lcdisp.c.

References LCD_POS::col, LCDGotoXY(), LCDsendChar(), MEASVAL::name, MEASVAL::pos, LCD_POS::row, and WriteValue().

Referenced by PrintValue().

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void WriteSetupGroup ( UCHAR grp )

puts the hrf setup group onto screen

Parameters

grp	encoded group to resolve to hrf and print

Definition at line 95 of file lcdisp.c.

References LCDGotoXY(), LCDstring(), POS_GRP_START, SG_CTRL, SG_LIMIT, SG_MEAS, and UCHAR.

Referenced by DoSetup().

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void WriteSetupValue	(	SETUP_ITEM *	si,
		UCHAR	allow,
		UCHAR	id
	)

put a setup item on screen, which consist of a name and a value spread over two lines

Parameters

si	setup item to print
allow	flag to allow (TRUE) or disallow (FALSE) writing - this reflects the currently selected item to the user by flashing
id	of the position in data array, used for position determination on screen

Definition at line 72 of file lcdisp.c.

References MEASVAL::dt, LCDGotoXY(), LCDstring(), SETUP_ITEM::name, POS_1ST_NAME, POS_1ST_VAL, POS_2ND_NAME, POS_2ND_VAL, SETUP_ITEM::type, UCHAR, SETUP_ITEM::value, MEASVAL::value, and WriteValue().