-
Notifications
You must be signed in to change notification settings - Fork 3
/
dsFPD.c
175 lines (149 loc) · 4.31 KB
/
dsFPD.c
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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
/*
* If not stated otherwise in this file or this component's LICENSE file the
* following copyright and licenses apply:
*
* Copyright 2017 RDK Management
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include "dsFPD.h"
void setValue (int pin, int value);
char fName [128] ;
FILE *fd ;
int LED_RED = 9;
int LED_YELLOW = 10;
int LED_GREEN = 11;
void exportPins (int pin)
{
if ((fd = fopen ("/sys/class/gpio/export", "w")) == NULL)
{
fprintf (stderr, "%d: Unable to open GPIO export interface: %s\n", pin, strerror (errno)) ;
exit (1) ;
}
fprintf (fd, "%d\n", pin) ;
fclose (fd) ;
}
void setDirection (int pin)
{
sprintf (fName, "/sys/class/gpio/gpio%d/direction", pin) ;
if ((fd = fopen (fName, "w")) == NULL)
{
fprintf (stderr, "Unable to open GPIO direction interface for pin %d: %s\n", pin, strerror (errno)) ;
exit (1) ;
}
fprintf (fd, "out\n") ;
fclose (fd) ;
}
void setValue (int pin, int value)
{
sprintf (fName, "/sys/class/gpio/gpio%d/value", pin) ;
if ((fd = fopen (fName, "w")) == NULL)
{
fprintf (stderr, "Unable to open GPIO direction interface for pin %d: %s\n", pin, strerror (errno)) ;
exit (1) ;
}
fprintf (fd, "%d\n", value) ;
fclose (fd) ;
}
dsError_t dsFPInit(void)
{
// These changes were added for Traffic light LED support in RPI3. Not relevant otherwise.
#if 0
exportPins (LED_RED);
exportPins (LED_YELLOW);
exportPins (LED_GREEN);
setDirection (LED_RED);
setDirection (LED_YELLOW);
setDirection (LED_GREEN);
#endif
return dsERR_NONE;
}
dsError_t dsFPTerm(void)
{
return dsERR_NONE;
}
dsError_t dsSetFPBlink (dsFPDIndicator_t eIndicator, unsigned int uBlinkDuration, unsigned int uBlinkIterations)
{
return dsERR_NONE;
}
dsError_t dsSetFPBrightness (dsFPDIndicator_t eIndicator, dsFPDBrightness_t eBrightness)
{
// These changes were added for Traffic light LED support in RPI3. Not relevant otherwise.
#if 0
int gpio_pin = LED_RED;
if (eIndicator == dsFPD_INDICATOR_POWER)
gpio_pin = LED_RED;
else if (eIndicator == dsFPD_INDICATOR_REMOTE)
gpio_pin = LED_YELLOW;
else if (eIndicator == dsFPD_INDICATOR_MESSAGE)
gpio_pin = LED_GREEN;
setValue (gpio_pin, eBrightness);
#endif
return dsERR_NONE;
}
dsError_t dsGetFPBrightness (dsFPDIndicator_t eIndicator, dsFPDBrightness_t *pBrightness)
{
return dsERR_NONE;
}
dsError_t dsSetFPColor (dsFPDIndicator_t eIndicator, dsFPDColor_t eColor)
{
return dsERR_NONE;
}
dsError_t dsSetFPTime (dsFPDTimeFormat_t eTimeFormat, const unsigned int uHour, const unsigned int uMinutes)
{
return dsERR_NONE;
}
dsError_t dsSetFPText(const char* pText)
{
return dsERR_NONE;
}
dsError_t dsSetFPScroll (unsigned int uScrollHoldOnDur, unsigned int uHorzScrollIterations, unsigned int uVertScrollIterations)
{
return dsERR_NONE;
}
dsError_t dsSetFPTextBrightness (dsFPDTextDisplay_t eIndicator, dsFPDBrightness_t eBrightness)
{
return dsERR_NONE;
}
dsError_t dsGetFPTextBrightnes (dsFPDTextDisplay_t eIndicator, dsFPDBrightness_t *pBrightness)
{
return dsERR_NONE;
}
dsError_t dsFPEnableCLockDisplay (int enable)
{
return dsERR_NONE;
}
dsError_t dsSetFPState (dsFPDIndicator_t eIndicator, dsFPDState_t state)
{
return dsERR_NONE;
}
dsError_t dsGetFPTextBrightness (dsFPDTextDisplay_t eIndicator, dsFPDBrightness_t *pBrightness)
{
return dsERR_NONE;
}
dsError_t dsSetFPDBrightness(dsFPDIndicator_t eIndicator, dsFPDBrightness_t eBrightness,bool toPersist)
{
return dsERR_GENERAL;
}
dsError_t dsSetFPDColor (dsFPDIndicator_t eIndicator, dsFPDColor_t eColor,bool toPersist)
{
return dsERR_GENERAL;
}
dsError_t dsGetFPColor (dsFPDIndicator_t eIndicator, dsFPDColor_t *pColor)
{
return dsERR_GENERAL;
}