Open Lighting Architecture  Latest Git
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Modules Pages
FakeSPIWriter.h
1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation; either version 2 of the License, or
5  * (at your option) any later version.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU Library General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
15  *
16  * FakeSPIWriter.h
17  * The SPIWriter used for testing.
18  * Copyright (C) 2013 Simon Newton
19  */
20 
21 #ifndef PLUGINS_SPI_FAKESPIWRITER_H_
22 #define PLUGINS_SPI_FAKESPIWRITER_H_
23 
24 #include <ola/testing/TestUtils.h>
25 #include <ola/thread/Mutex.h>
26 #include <stdint.h>
27 #include <string>
28 #include "plugins/spi/SPIWriter.h"
29 
30 namespace ola {
31 namespace plugin {
32 namespace spi {
33 
38  public:
39  explicit FakeSPIWriter(const std::string &device_path)
40  : m_device_path(device_path),
41  m_write_pending(0),
42  m_writes(0),
43  m_last_write_size(0),
44  m_data(NULL) {
45  }
46 
47  ~FakeSPIWriter() {
48  delete[] m_data;
49  }
50 
51  bool Init() { return true; }
52 
53  std::string DevicePath() const { return m_device_path; }
54 
55  bool WriteSPIData(const uint8_t *data, unsigned int length);
56 
57  // Methods used for testing
58  void BlockWriter();
59  void UnblockWriter();
60 
61  void ResetWrite();
62  void WaitForWrite();
63 
64  unsigned int WriteCount() const;
65  unsigned int LastWriteSize() const;
66  void CheckDataMatches(const ola::testing::SourceLine &source_line,
67  const uint8_t *data,
68  unsigned int length);
69 
70  private:
71  const std::string m_device_path;
72  bool m_write_pending; // GUARDED_BY(m_mutex)
73  unsigned int m_writes; // GUARDED_BY(m_mutex)
74  unsigned int m_last_write_size; // GUARDED_BY(m_mutex)
75  uint8_t *m_data; // GUARDED_BY(m_mutex)
76 
77  ola::thread::Mutex m_write_lock;
78  mutable ola::thread::Mutex m_mutex;
80 };
81 
82 } // namespace spi
83 } // namespace plugin
84 } // namespace ola
85 #endif // PLUGINS_SPI_FAKESPIWRITER_H_
Definition: FakeSPIWriter.h:37
Definition: SPIWriter.h:36
The namespace containing all OLA symbols.
Definition: Credentials.cpp:44
Definition: Mutex.h:41
Definition: Mutex.h:81