4 * @brief 8255 counter register definitions.
5 * @note Copyright (C) 2006 Meilhaus Electronic GmbH (support@meilhaus.de)
6 * @author Guenter Gebhardt
10 #define _ME8255_REG_H_
14 #define ME8255_NUMBER_CHANNELS 8 /**< The number of channels per 8255 port. */
16 #define ME1400AB_PORT_A_0 0x0000 /**< Port 0 offset. */
17 #define ME1400AB_PORT_A_1 0x0001 /**< Port 1 offset. */
18 #define ME1400AB_PORT_A_2 0x0002 /**< Port 2 offset. */
19 #define ME1400AB_PORT_A_CTRL 0x0003 /**< Control register for 8255 A. */
21 #define ME1400AB_PORT_B_0 0x0008 /**< Port 0 offset. */
22 #define ME1400AB_PORT_B_1 0x0009 /**< Port 1 offset. */
23 #define ME1400AB_PORT_B_2 0x000A /**< Port 2 offset. */
24 #define ME1400AB_PORT_B_CTRL 0x000B /**< Control register for 8255 B. */
26 #define ME1400CD_PORT_A_0 0x0000 /**< Port 0 offset. */
27 #define ME1400CD_PORT_A_1 0x0001 /**< Port 1 offset. */
28 #define ME1400CD_PORT_A_2 0x0002 /**< Port 2 offset. */
29 #define ME1400CD_PORT_A_CTRL 0x0003 /**< Control register for 8255 A. */
31 #define ME1400CD_PORT_B_0 0x0040 /**< Port 0 offset. */
32 #define ME1400CD_PORT_B_1 0x0041 /**< Port 1 offset. */
33 #define ME1400CD_PORT_B_2 0x0042 /**< Port 2 offset. */
34 #define ME1400CD_PORT_B_CTRL 0x0043 /**< Control register for 8255 B. */
36 #define ME8255_MODE_OOO 0x80 /**< Port 2 = Output, Port 1 = Output, Port 0 = Output */
37 #define ME8255_MODE_IOO 0x89 /**< Port 2 = Input, Port 1 = Output, Port 0 = Output */
38 #define ME8255_MODE_OIO 0x82 /**< Port 2 = Output, Port 1 = Input, Port 0 = Output */
39 #define ME8255_MODE_IIO 0x8B /**< Port 2 = Input, Port 1 = Input, Port 0 = Output */
40 #define ME8255_MODE_OOI 0x90 /**< Port 2 = Output, Port 1 = Output, Port 0 = Input */
41 #define ME8255_MODE_IOI 0x99 /**< Port 2 = Input, Port 1 = Output, Port 0 = Input */
42 #define ME8255_MODE_OII 0x92 /**< Port 2 = Output, Port 1 = Input, Port 0 = Input */
43 #define ME8255_MODE_III 0x9B /**< Port 2 = Input, Port 1 = Input, Port 0 = Input */
45 #define ME8255_PORT_0_OUTPUT 0x1 /**< If set in mirror then port 0 is in output mode. */
46 #define ME8255_PORT_1_OUTPUT 0x2 /**< If set in mirror then port 1 is in output mode. */
47 #define ME8255_PORT_2_OUTPUT 0x4 /**< If set in mirror then port 2 is in output mode. */