1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/*
* GraphLCD driver library
*
* common.c - various functions
*
* parts were taken from graphlcd plugin for the Video Disc Recorder
* (c) 2001-2004 Carsten Siebholz <c.siebholz AT t-online.de>
*
* This file is released under the GNU General Public License. Refer
* to the COPYING file distributed with this package.
*
* (c) 2004 Andreas Regel <andreas.regel AT powarman.de>
*/
#ifndef _GLCDDRIVERS_COMMON_H_
#define _GLCDDRIVERS_COMMON_H_
#include <string>
namespace GLCD
{
const unsigned char bitmask[8] = {0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01};
const unsigned char bitmaskl[8] = {0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff};
const unsigned char bitmaskr[8] = {0xff, 0x7f, 0x3f, 0x1f, 0x0f, 0x07, 0x03, 0x01};
// functions to enable/disable very short sleeps.
// Therefore, the priority will be changed. => use with care !
int nSleepInit(void);
int nSleepDeInit(void);
void nSleep(long ns);
void uSleep(long us);
unsigned char ReverseBits(unsigned char value);
void clip(int & value, int min, int max);
void sort(int & value1, int & value2);
std::string trim(const std::string & s);
} // end of namespace
#endif
|
