amiro-os / components / bus / i2c / I2CMultiplexer.cpp @ b8b3a9c9
History | View | Annotate | Download (1.015 KB)
| 1 |
#include <amiro/bus/i2c/I2CMultiplexer.hpp> |
|---|---|
| 2 |
|
| 3 |
namespace amiro {
|
| 4 |
|
| 5 |
I2CMultiplexer:: |
| 6 |
I2CMultiplexer(I2CDriver *driver) : |
| 7 |
driver(driver) {
|
| 8 |
|
| 9 |
#if CH_USE_MUTEXES
|
| 10 |
chMtxInit(&this->mutex);
|
| 11 |
#else
|
| 12 |
chSemInit(&this->semaphore, 1); |
| 13 |
#endif /* CH_USE_MUTEXES */ |
| 14 |
|
| 15 |
}; |
| 16 |
|
| 17 |
I2CMultiplexer:: |
| 18 |
~I2CMultiplexer() {
|
| 19 |
|
| 20 |
} |
| 21 |
|
| 22 |
i2cflags_t |
| 23 |
I2CMultiplexer:: |
| 24 |
getErrors() {
|
| 25 |
|
| 26 |
return this->driver->getErrors(); |
| 27 |
|
| 28 |
} |
| 29 |
|
| 30 |
msg_t |
| 31 |
I2CMultiplexer:: |
| 32 |
masterTransmit(const I2CTxParams *params, systime_t timeout) {
|
| 33 |
|
| 34 |
return this->driver->masterTransmit(params, timeout); |
| 35 |
|
| 36 |
} |
| 37 |
|
| 38 |
msg_t |
| 39 |
I2CMultiplexer:: |
| 40 |
masterReceive(const I2CRxParams *params, systime_t timeout) {
|
| 41 |
|
| 42 |
return this->driver->masterReceive(params, timeout); |
| 43 |
|
| 44 |
} |
| 45 |
|
| 46 |
void
|
| 47 |
I2CMultiplexer:: |
| 48 |
acquireBus() {
|
| 49 |
|
| 50 |
#if CH_USE_MUTEXES
|
| 51 |
chMtxLock(&this->mutex);
|
| 52 |
#elif CH_USE_SEMAPHORES
|
| 53 |
chSemWait(&this->semaphore);
|
| 54 |
#endif
|
| 55 |
|
| 56 |
this->driver->acquireBus();
|
| 57 |
} |
| 58 |
|
| 59 |
void
|
| 60 |
I2CMultiplexer:: |
| 61 |
releaseBus() {
|
| 62 |
|
| 63 |
this->driver->releaseBus();
|
| 64 |
|
| 65 |
#if CH_USE_MUTEXES
|
| 66 |
chMtxUnlock(); |
| 67 |
#elif CH_USE_SEMAPHORES
|
| 68 |
chSemSignal(&this->semaphore);
|
| 69 |
#endif
|
| 70 |
|
| 71 |
} |
| 72 |
|
| 73 |
} /* amiro */
|