1 /*
2 * Author: Thomas Ingleby <thomas.c.ingleby@intel.com>
3 * Author: Michael Ring <mail@michael-ring.org>
4 * Copyright (c) 2014 Intel Corporation.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26 #include <stdlib.h>
27 #include <string.h>
28
29 #include "mraa_internal.h"
30 #include "arm/raspberry_pi.h"
31 #include "arm/beaglebone.h"
32 #include "arm/banana.h"
33 #include "arm/96boards.h"
34
35
36 mraa_platform_t
mraa_arm_platform()37 mraa_arm_platform()
38 {
39 mraa_platform_t platform_type = MRAA_UNKNOWN_PLATFORM;
40 size_t len = 100;
41 char* line = malloc(len);
42 FILE* fh = fopen("/proc/cpuinfo", "r");
43
44 if (fh != NULL) {
45 while (getline(&line, &len, fh) != -1) {
46 if (strncmp(line, "Hardware", 8) == 0) {
47 if (strstr(line, "BCM2708")) {
48 platform_type = MRAA_RASPBERRY_PI;
49 }
50 if (strstr(line, "BCM2709")) {
51 platform_type = MRAA_RASPBERRY_PI;
52 }
53 if (strstr(line, "Generic AM33XX")) {
54 platform_type = MRAA_BEAGLEBONE;
55 }
56 if (strstr(line, "HiKey Development Board")) {
57 platform_type = MRAA_96BOARDS;
58 }
59 if (strstr(line, "sun7i")) {
60 if (mraa_file_contains("/sys/firmware/devicetree/base/model", "Banana Pro")) {
61 platform_type = MRAA_BANANA;
62 }
63 if (mraa_file_contains("/sys/firmware/devicetree/base/model", "Banana Pi")) {
64 platform_type = MRAA_BANANA;
65 }
66 // For old kernels
67 if (mraa_file_exist("/sys/class/leds/green:ph24:led1")) {
68 platform_type = MRAA_BANANA;
69 }
70 }
71 }
72
73 }
74 fclose(fh);
75 }
76 free(line);
77
78 /* Get compatible string from Device tree for boards that dont have enough info in /proc/cpuinfo */
79 if (platform_type == MRAA_UNKNOWN_PLATFORM) {
80 if (mraa_file_contains("/sys/firmware/devicetree/base/compatible", "qcom,apq8016-sbc"))
81 platform_type = MRAA_96BOARDS;
82 }
83
84 switch (platform_type) {
85 case MRAA_RASPBERRY_PI:
86 plat = mraa_raspberry_pi();
87 break;
88 case MRAA_BEAGLEBONE:
89 plat = mraa_beaglebone();
90 break;
91 case MRAA_BANANA:
92 plat = mraa_banana();
93 break;
94 case MRAA_96BOARDS:
95 plat = mraa_96boards();
96 break;
97 default:
98 plat = NULL;
99 syslog(LOG_ERR, "Unknown Platform, currently not supported by MRAA");
100 }
101 return platform_type;
102 }
103