Unitech MR350MKII manual Table of Contents

Table of Contents

Table of Contents				1-2
1.	System Kernel			1-6
	1.1.	Application Programming Interface		1-6
	1.2.	Keypad Subsystem		1-7
	1.3.	Display Subsystem		1-7
	1.4.	Communication Subsystem		1-8
	1.4.1. Point to point mode			1-8
	1.4.2.		Multi-point mode	1-8
	1.5.	Real time clock subsystem		1-8
	1.6.	Relay output and Digital input subsystem		1-8
	1.7.	Bar code / Magnetic stripe / Proximity / ICC		1-9
	1.8.	Download Program in Point-to-point mode		1-9
	1.9.	Download Program in Multi-point mode		1-10
2.	Data Structure			2-14
	2.1.	Device Control Table		2-14
	2.2.	Type Definition		2-14
	2.3.	Barcode Control Table		2-15
	2.3.1.		Type Definition	2-15
	2.4.	Communication Control Table of Host port		2-16
	2.4.1.		Type Definition	2-16
	2.5.	Terminal Control Table (available for host port only)		2-17
	2.5.1.		Type Definition	2-17
3.	I/O Function Calls			3-20
	3.1.	LCD Display INT 10H		3-20
	00		Clear screen	3-20
	01		Set cursor type	3-20
	02		Set cursor position	3-20
	03		Get cursor position	3-21
	04		Scroll screen	3-21
	1A		Enable/disable LCD Backlight INT 21H	3-21
	3.2.	Communication Environment Setup		3-22
	1C		Select COM1 or COM2 as the host port	3-22
	1C		Set host port protocol	3-23
	1C		Set serial port flow control	3-23
	19		Set COM1 port as RS485 or modem	3-24
	3.3.	Host Port for Multi-point Protocol I/O (INT21H)		3-24
	1C		Setup multi-point address	3-24
	1C		Set polling timeout duration	3-24
	5F		Read host port	3-25
	60		Output data	3-25
	61		Check if Busy-port	3-25
	3.4.	Serial I/O for RS-232 and RS-485		3-26
	RS-232 port serial I/O using INT 34H			3-26
	01		Input data	3-26
	02		Output data	3-27

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