The friendly Operating System for the Internet of Things
pcd8544_internal.h
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1 /*
2  * Copyright (C) 2015 Freie Universit├Ąt Berlin
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
20 #ifndef PDC8544_INTERNAL_H
21 #define PDC8544_INTERNAL_H
22 
23 #ifdef __cplusplus
24  extern "C" {
25 #endif
26 
30 #define RESET_DELAY (5000) /* keep reset low for 5ms */
31 
36 #define MODE_CMD (0)
37 #define MODE_DTA (1)
44 #define CONTRAST_MAX (127U)
45 #define TEMP_MAX (3U)
46 #define BIAS_MAX (7U)
53 #define CMD_DISABLE (0x24)
54 #define CMD_ENABLE_H (0x20)
55 #define CMD_ENABLE_V (0x22)
56 #define CMD_EXTENDED (0x21)
58 #define CMD_MODE_BLANK (0x08)
59 #define CMD_MODE_NORMAL (0x0c)
60 #define CMD_MODE_ALLON (0x09)
61 #define CMD_MODE_INVERSE (0x0d)
63 #define CMD_SET_Y (0x40)
64 #define CMD_SET_X (0x80)
66 #define CMD_EXT_TEMP (0x04)
67 #define CMD_EXT_BIAS (0x10)
68 #define CMD_EXT_CONTRAST (0x80)
71 #ifdef __cplusplus
72 }
73 #endif
74 
75 #endif /* PDC8544_INTERNAL_H */
76