-
Notifications
You must be signed in to change notification settings - Fork 0
/
demo_gpio.c
301 lines (266 loc) · 6.07 KB
/
demo_gpio.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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
/****************************************************************************
* Copyright (c) Advantech Co., Ltd. All Rights Reserved
*
* File Name:
* demo_gpio.c
*
* Programmers:
* Neo Lo
*
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "SUSI.h"
// Return 0 if platform infomation is correctly obtained.
// Otherwise, return 1.
int show_platform_info(void)
{
BOOL result;
DWORD major, minor, year, month, date;
DWORD size = 128;
TCHAR buf[size]; // Buffer length includes the null character.
SusiDllGetVersion(&major, &minor);
year = minor/10000;
month = minor%10000/100;
date = minor%100;
printf("Version: %li (20%02li/%02li/%02li)\n", major, year, month, date);
// Get platform name.
result = SusiCoreGetPlatformName(buf, &size);
if (result != TRUE) {
printf("SusiCoreGetPlatformName() failed\n");
return 1;
}
else
printf("Platform name: %s\n", buf);
// Get BIOS version.
result = SusiCoreGetBIOSVersion(buf, &size);
if (result != TRUE) {
return 1;
}
else
printf("BIOS version: %s\n", buf);
return 0;
}
void show_menu(void)
{
printf("\n");
printf("0) Terminate this program\n");
printf("1) Get GPIO direction mask\n");
printf("2) Read a single GPIO pin\n");
printf("3) Read multiple GPIO pins\n");
printf("4) Write a single GPIO pin\n");
printf("5) Write multiple GPIO pins\n");
printf("6) Set a GPIO direction\n");
printf("7) Set multi GPIO directions\n");
printf("Enter your choice: \n");
}
// Return 0 on success and 1 on failure.
int get_dir_mask(void)
{
DWORD TargetPinMask, PinDirMask, InPinDirMask, OutPinDirMask;
if (SusiIOQueryMask(ESIO_SMASK_PIN_FULL, &TargetPinMask) == FALSE) {
printf("SusiIOQueryMask() failed\n");
return 1;
}
if (SusiIOQueryMask(ESIO_DMASK_DIRECTION, &PinDirMask) == FALSE) {
printf("SusiIOQueryMask() failed\n");
return 1;
}
if (SusiIOQueryMask(ESIO_DMASK_IN, &InPinDirMask) == FALSE) {
printf("SusiIOQueryMask() failed\n");
return 1;
}
if (SusiIOQueryMask(ESIO_DMASK_OUT, &OutPinDirMask) == FALSE) {
printf("SusiIOQueryMask() failed\n");
return 1;
}
else
{
printf("Total pins mask = 0x%08lX\n", TargetPinMask);
printf("direction mask(0:out, 1:in) = 0x%08lX\n", PinDirMask);
printf("input pins mask = 0x%08lX\n", InPinDirMask);
printf("output pins mask = 0x%08lX\n", OutPinDirMask);
}
return 0;
}
// Return 0 on success and 1 on failure.
int read_pin(void)
{
int result, data;
BYTE pin;
BOOL status;
printf("Which pin (int 0,1,...10,11,...): \n");
if (scanf("%i", &data) <= 0)
return 1;
pin = (BYTE) data;
result = SusiIOReadEx(pin, &status);
if (result == FALSE) {
printf("SusiIOReadEx() failed\n");
return 1;
}
else
printf("Status: %s\n", status ? "ONE" : "ZERO");
return 0;
}
// Return 0 on success and 1 on failure.
int read_pins(void)
{
int result, data;
DWORD pins, status;
printf("Bit mask of the pins (hex):\n");
if (scanf("%x", &data) <= 0)
return 1;
pins = (DWORD) data;
result = SusiIOReadMultiEx(pins, &status);
if (result == FALSE) {
printf("SusiIOReadMultiEx() failed\n");
return 1;
}
else
printf("Status: 0x%lx\n", status);
return 0;
}
// Return 0 on success and 1 on failure.
int write_pin(void)
{
int result, data;
BYTE pin;
BOOL boolean;
printf("Which pin (int 0,1,...10,11,...): \n");
if (scanf("%i", &data) <= 0)
return 1;
pin = (BYTE) data;
printf("Value (0 or 1): \n");
if (scanf("%i", &data) <= 0)
return 1;
boolean = (data) ? 1 : 0;
result = SusiIOWriteEx(pin, boolean);
if (result == FALSE) {
printf("SusiIOWriteEx() failed\n");
return 1;
}
return 0;
}
// Return 0 on success and 1 on failure.
int write_pins(void)
{
int result, data;
DWORD pins, status;
printf("Bit mask of the pins (hex):\n");
if (scanf("%x", &data) <= 0)
return 1;
pins = (DWORD) data;
printf("Bit pattern (hex):\n");
if (scanf("%x", &data) <= 0)
return 1;
status = (DWORD) data;
result = SusiIOWriteMultiEx(pins, status);
if (result == FALSE) {
printf("SusiIOWriteMulti() failed\n");
return 1;
}
return 0;
}
// Return 0 on success and 1 on failure.
int set_pin_direction(void)
{
BYTE PinNum, IO;
int result, data;
printf("Which pin (int 0,1,...10,11,...): \n");
if (scanf("%i", &data) <= 0)
return 1;
PinNum = (BYTE)data;
printf("direction (input pin :1 output pin:0 ): \n");
if (scanf("%x", &data) <= 0)
return 1;
IO = (BYTE) data ;
result=SusiIOSetDirection(PinNum,IO, NULL);
if (result == FALSE)
{
printf("set_pin_direction() failed\n");
return 1;
}
return 0;
}
// Return 0 on success and 1 on failure.
int set_pins_direction(void)
{
int result, data;
DWORD PinNum, PinDirMask;
printf("mask of the pins (hex):\n");
if (scanf("%x", &data) <= 0)
return 1;
PinNum = (DWORD) data;
printf("PinDirMask(0: output, 1: input) (hex):\n");
if (scanf("%x", &data) <= 0)
return 1;
PinDirMask = (DWORD) data;
result = SusiIOSetDirectionMulti(PinNum, &PinDirMask);
if (result == FALSE)
{
printf("SusiIOSetDirectionMulti() failed\n");
return 1;
}
return 0;
}
int main(void)
{
int result, done, op;
result = SusiDllInit();
if (result == FALSE) {
printf("SusiDllInit() failed\n");
return 1;
}
result = SusiIOAvailable();
if (result == 0) {
printf("SusiIOAvailable() failed\n");
SusiDllUnInit();
return 1;
}
result = show_platform_info();
done = 0;
while (! done) {
show_menu();
if (scanf("%i", &op) <= 0)
op = -1;
switch (op) {
case 0:
done = 1;
continue;
case 1:
result = get_dir_mask();
break;
case 2:
result = read_pin();
break;
case 3:
result = read_pins();
break;
case 4:
result = write_pin();
break;
case 5:
result = write_pins();
break;
case 6:
result = set_pin_direction();//PCA9554 gpio
break;
case 7:
result = set_pins_direction();
break;
default:
printf("\nUnknown choice!\n\n");
continue;
}
if (done != 1 && result < 0) {
SusiDllUnInit();
return 1;
}
}
result = SusiDllUnInit();
if (result == FALSE) {
printf("SusiDllUnInit() failed\n");
return 1;
}
return 0;
}