amiro-os / components / FileSystemInputOutput / FSIOPowerManagement.cpp @ eef47799
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| 1 | 58fe0e0b | Thomas Schöpping | #include <amiro/FileSystemInputOutput/FSIOPowerManagement.hpp> |
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| 2 | |||
| 3 | using namespace amiro; |
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| 4 | using namespace amiro::fileSystemIo; |
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| 5 | |||
| 6 | msg_t |
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| 7 | FSIOPowerManagement:: |
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| 8 | getVcnl4020Offset (uint16_t *buffer, uint8_t idx) {
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| 9 | |||
| 10 | msg_t bytesWritten = 0;
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| 11 | const uint8_t bufferSize = sizeof(uint16_t); |
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| 12 | |||
| 13 | // Check if the vcnl index is in a valid range
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| 14 | if (idx >= sizeof(PowerManagement_1_1::vcnl4020offset)) { |
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| 15 | return WRONG_INDEX;
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| 16 | } |
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| 17 | |||
| 18 | // Get the data out of the memory
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| 19 | switch (this->BSMV) { |
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| 20 | case 0x01u: |
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| 21 | // Set the pointer to the address
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| 22 | chFileStreamSeek((BaseFileStream*)&at24c01, offsetof(FSIOPowerManagement::PowerManagement_1_1, vcnl4020offset[idx])); |
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| 23 | if (this->bsmv >= 0x01u) { |
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| 24 | bytesWritten = chSequentialStreamRead((BaseFileStream*)&at24c01, (uint8_t*) buffer, bufferSize); |
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| 25 | } else {
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| 26 | return NOT_IMPLEMENTED;
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| 27 | } |
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| 28 | break;
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| 29 | } |
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| 30 | |||
| 31 | if (bytesWritten != bufferSize) {
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| 32 | return IO_ERROR;
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| 33 | } else {
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| 34 | return OK;
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| 35 | } |
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| 36 | } |
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| 37 | |||
| 38 | msg_t |
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| 39 | FSIOPowerManagement:: |
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| 40 | setVcnl4020Offset (uint16_t buffer, uint8_t idx) {
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| 41 | |||
| 42 | msg_t bytesWritten = 0;
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| 43 | const uint8_t bufferSize = sizeof(uint16_t); |
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| 44 | |||
| 45 | // Check if the vcnl index is in a valid range
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| 46 | if (idx >= sizeof(PowerManagement_1_1::vcnl4020offset)) { |
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| 47 | return WRONG_INDEX;
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| 48 | } |
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| 49 | |||
| 50 | // Get the data out of the memory
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| 51 | switch (this->BSMV) { |
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| 52 | case 0x01u: |
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| 53 | // Set the pointer to the address
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| 54 | chFileStreamSeek((BaseFileStream*)&at24c01, offsetof(FSIOPowerManagement::PowerManagement_1_1, vcnl4020offset[idx])); |
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| 55 | if (this->bsmv >= 0x01u) { |
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| 56 | bytesWritten = chSequentialStreamWrite((BaseFileStream*)&at24c01, (const uint8_t*) &buffer, bufferSize);
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| 57 | } else {
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| 58 | return NOT_IMPLEMENTED;
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| 59 | } |
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| 60 | break;
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| 61 | } |
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| 62 | |||
| 63 | if (bytesWritten != bufferSize) {
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| 64 | return IO_ERROR;
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| 65 | } else {
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| 66 | return OK;
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| 67 | } |
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| 68 | } |