Linduino  1.3.0
Linear Technology Arduino-Compatible Demonstration Board
LT_PMBusDeviceLTC2978.h
Go to the documentation of this file.
1 /*!
2 LTC PSM Device
3 
4 @verbatim
5 
6 Representation of a device and its capabilities.
7 
8 @endverbatim
9 
10 
11 Copyright 2018(c) Analog Devices, Inc.
12 
13 All rights reserved.
14 
15 Redistribution and use in source and binary forms, with or without
16 modification, are permitted provided that the following conditions are met:
17  - Redistributions of source code must retain the above copyright
18  notice, this list of conditions and the following disclaimer.
19  - Redistributions in binary form must reproduce the above copyright
20  notice, this list of conditions and the following disclaimer in
21  the documentation and/or other materials provided with the
22  distribution.
23  - Neither the name of Analog Devices, Inc. nor the names of its
24  contributors may be used to endorse or promote products derived
25  from this software without specific prior written permission.
26  - The use of this software may or may not infringe the patent rights
27  of one or more patent holders. This license does not release you
28  from the requirement that you obtain separate licenses from these
29  patent holders to use this software.
30  - Use of the software either in source or binary form, must be run
31  on or directly connected to an Analog Devices Inc. component.
32 
33 THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
34 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
35 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
36 IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
37 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
38 LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
39 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
40 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
41 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
42 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
43 */
44 
45 /*! @file
46  @ingroup LT_PMBusDevice
47  Library Header File for LT_PMBusDeviceLTC2978
48 */
49 
50 #ifndef LT_PMBusDeviceLTC2978_H_
51 #define LT_PMBusDeviceLTC2978_H_
52 
53 #include "LT_PMBusDeviceManager.h"
54 #include "../LTPSM_PartFaultLogs/LT_2974FaultLog.h"
55 
57 {
58  public:
59 
60  static uint32_t cap_;
61 
63  {
64  }
65 
66  uint32_t getCapabilities (
67  )
68  {
69  return cap_;
70  }
71 
72  //! Is/are these capability(s) supported?
73  //! @return true if yes
75  uint32_t capability //!< List of capabilities
76  )
77  {
78  return (cap_ & capability) == capability;
79  }
80 
81  char *getType(void)
82  {
83  uint8_t *model = (uint8_t *) calloc(8,1);
84  memcpy(model, "LTC2978", 7);
85  return (char *) model;
86  }
87 
88  uint8_t getNumPages(void)
89  {
90  return 4;
91  }
92 
94  {
95  uint16_t id;
97 
98  id = pmbus->readMfrSpecialId(address);
99  if ( (id & 0xFFF0) == 0x0110
100  || (id & 0xFFF0) == 0x0120)
101  {
102  device = new LT_PMBusDeviceLTC2978(pmbus, address);
103  device->probeSpeed();
104  return device;
105  }
106  else
107  return NULL;
108  }
109 
111  {
112  LT_2974FaultLog *faultLog = new LT_2974FaultLog(pmbus_);
113  faultLog->enableFaultLog(address_);
114  delete faultLog;
115  }
116 
118  {
119  LT_2974FaultLog *faultLog = new LT_2974FaultLog(pmbus_);
120  faultLog->disableFaultLog(address_);
121  delete faultLog;
122  }
123 
124  bool hasFaultLog()
125  {
126  LT_2974FaultLog *faultLog = new LT_2974FaultLog(pmbus_);
127  if (faultLog->hasFaultLog(address_))
128  {
129  delete faultLog;
130  return true;
131  }
132  else
133  {
134  delete faultLog;
135  return false;
136  }
137  }
138 
139  char *getFaultLog()
140  {
141  LT_2974FaultLog *faultLog = new LT_2974FaultLog(pmbus_);
142  if (faultLog->hasFaultLog(address_))
143  {
144  faultLog->read(address_);
145 // faultLog->print(&Serial);
146  faultLog->dumpBinary(&Serial);
147  faultLog->release();
148  delete faultLog;
149  return NULL;
150  }
151  else
152  {
153  delete faultLog;
154  return NULL;
155  }
156  }
157 
159  {
160  LT_2974FaultLog *faultLog = new LT_2974FaultLog(pmbus_);
161  if (faultLog->hasFaultLog(address_))
162  {
163  faultLog->clearFaultLog(address_);
164  pmbus_->smbus()->waitForAck(address_, 0x00);
166  delete faultLog;
167  }
168  else
169  {
170  delete faultLog;
171  }
172  }
173 };
174 
175 #endif /* LT_PMBusDeviceLTC2978_H_ */
static int id
Definition: rail_logger.ino:99
class that handles LTC2974 fault logs.
LTC PSM Manager Device.
uint32_t getCapabilities()
Get the supported capabilities.
void dumpBinary(Print *printer=0)
Dumps binary of the fault log to a Print inheriting object, or Serial if none specified.
bool hasFaultLog()
Is there a fault log?
bool hasCapability(uint32_t capability)
Is/are these capability(s) supported?
void enableFaultLog()
Enable the Fault Log.
LT_PMBus * pmbus_
static uint8_t address
Definition: DC2091A.ino:83
uint8_t waitForNotBusy(uint8_t address)
Read MFR_COMMON until not Busy.
Definition: LT_PMBus.cpp:3254
bool hasFaultLog(uint8_t address)
virtual uint8_t waitForAck(uint8_t address, uint8_t command)=0
Read with the address and command in loop until ack, then issue stop.
LT_PMBus * pmbus()
void enableFaultLog(uint8_t address)
void clearFaultLog()
Clear the Fault Log.
void release()
Frees the memory reserved for the fault log.
void read(uint8_t address)
Reads the fault log from the specified address, reserves memory to hold the data. ...
LT_SMBus * smbus()
Definition: LT_PMBus.h:401
char * getFaultLog()
Get the fault log text (call must free)
LT_PMBusDeviceLTC2978(LT_PMBus *pmbus, uint8_t address)
void disableFaultLog(uint8_t address)
uint16_t readMfrSpecialId(uint8_t address)
Get speical ID.
Definition: LT_PMBus.cpp:3361
void clearFaultLog(uint8_t address)
static LT_PMBusDevice * detect(LT_PMBus *pmbus, uint8_t address)
void disableFaultLog()
Disable the Fault Log.
ad5933_dev * device
Definition: CN-0413.ino:67
PMBus communication.
Definition: LT_PMBus.h:370