Statistics
| Branch: | Tag: | Revision:

amiro-os / components / FileSystemInputOutput / FSIOPowerManagement.cpp @ e2002d0e

History | View | Annotate | Download (1.78 KB)

1 58fe0e0b Thomas Schöpping
#include <amiro/FileSystemInputOutput/FSIOPowerManagement.hpp>
2
3
using namespace amiro;
4
using namespace amiro::fileSystemIo;
5
6
msg_t
7
FSIOPowerManagement::
8
getVcnl4020Offset (uint16_t *buffer, uint8_t idx) {
9
10
  msg_t bytesWritten = 0;
11
  const uint8_t bufferSize = sizeof(uint16_t);
12
13
  // Check if the vcnl index is in a valid range
14
  if (idx >= sizeof(PowerManagement_1_1::vcnl4020offset)) {
15
    return WRONG_INDEX;
16
  }
17
18
  // Get the data out of the memory
19
  switch (this->BSMV) {
20
    case 0x01u:
21
      // Set the pointer to the address
22
      chFileStreamSeek((BaseFileStream*)&at24c01, offsetof(FSIOPowerManagement::PowerManagement_1_1, vcnl4020offset[idx]));
23
      if (this->bsmv >= 0x01u) {
24
        bytesWritten = chSequentialStreamRead((BaseFileStream*)&at24c01, (uint8_t*) buffer, bufferSize);
25
      } else {
26
        return NOT_IMPLEMENTED;
27
      }
28
      break;
29
    }
30
31
    if (bytesWritten != bufferSize) {
32
      return IO_ERROR;
33
    } else {
34
      return OK;
35
    }
36
}
37
38
msg_t
39
FSIOPowerManagement::
40
setVcnl4020Offset (uint16_t buffer, uint8_t idx) {
41
42
  msg_t bytesWritten = 0;
43
  const uint8_t bufferSize = sizeof(uint16_t);
44
45
  // Check if the vcnl index is in a valid range
46
  if (idx >= sizeof(PowerManagement_1_1::vcnl4020offset)) {
47
    return WRONG_INDEX;
48
  }
49
50
  // Get the data out of the memory
51
  switch (this->BSMV) {
52
    case 0x01u:
53
      // Set the pointer to the address
54
      chFileStreamSeek((BaseFileStream*)&at24c01, offsetof(FSIOPowerManagement::PowerManagement_1_1, vcnl4020offset[idx]));
55
      if (this->bsmv >= 0x01u) {
56
        bytesWritten = chSequentialStreamWrite((BaseFileStream*)&at24c01, (const uint8_t*) &buffer, bufferSize);
57
      } else {
58
        return NOT_IMPLEMENTED;
59
      }
60
      break;
61
    }
62
63
    if (bytesWritten != bufferSize) {
64
      return IO_ERROR;
65
    } else {
66
      return OK;
67
    }
68
}