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DIO48 Base address 1: 0xc100
/* BADR1: These are 8 8-Bit Word Registers */
#define DIO_PORT0A (base1) /* Port A 8 bit I/O of 8255 */
#define DIO_PORT0B (base1+1) /* Port B 8 bit I/O of 8255 */
#define DIO_PORT0C (base1+2) /* Port C 4+4 bit of 8255 */
#define DIO_CNTRL_REG_0 (base1+3) /* Mode and Direction Control Register */
#define DIO_PORT1A (base1+4) /* Port A 8 bit I/O of 8255 */
#define DIO_PORT1B (base1+5) /* Port B 8 bit I/O of 8255 */
#define DIO_PORT1C (base1+6) /* Port C 4+4 bit of 8255 */
#define DIO_CNTRL_REG_1 (base1+7) /* Mode and Direction Control Register */
7 segment display:
--- 0 ---
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5 1
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--- 6 ---
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4 2
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--- 3 ---
* Mapping of dio48 signals to elements of elevator:
*
* port pin# dir function
*
* 0A 00 in 7-segment-display a
* 01 in 7-segment-display b
* 02 in 7-segment-display c
* 03 in 7-segment-display d
* 04 in 7-segment-display e
* 05 in 7-segment-display f
* 06 in 7-segment-display g
* 07 in big down arrow
*
* 0B 08 in big up arrow
* 09 in led of floor button 'E' (= 0)
* 10 in led of floor button '1'
* 11 in led of floor button '2'
* 12 in up arrow of call button on floor 0
* 13 in down arrow of call button on floor 1
* 14 in up arrow of call button on floor 1
* 15 in down arrow of call button on floor 2
*
* 0C 16 in motor on/off
* 17 in direction down/up
* 18 in open/close control of door on floor 0
* 19 in open/close control of door on floor 1
* 20 in open/close control of door on floor 2
* 21 (unused)
* 22 (unused)
* 23 (unused)
*
* 1A 24 out floor button 'E' (= 0)
* 25 out floor button '1'
* 26 out floor button '2'
* 27 out up call button on floor 0
* 28 out down call button on floor 1
* 29 out up call button on floor 1
* 30 out down call button on floor 2
* 31 out cabin position sensor floor 0
*
* 1B 32 out cabin position sensor floor 1
* 33 out cabin position sensor floor 2
* 34 out door open sensor floor 0
* 35 out door open sensor floor 1
* 36 out door open sensor floor 2
* 37 (unused)
* 38 (unused)
* 39 (unused)
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