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amiro-os / components / bus / i2c / I2CMultiplexer.cpp @ 58fe0e0b

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#include <amiro/bus/i2c/I2CMultiplexer.hpp>
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namespace amiro {
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I2CMultiplexer::
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I2CMultiplexer(I2CDriver *driver) :
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  driver(driver) {
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#if CH_USE_MUTEXES
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  chMtxInit(&this->mutex);
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#else
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  chSemInit(&this->semaphore, 1);
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#endif /* CH_USE_MUTEXES */
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};
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I2CMultiplexer::
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~I2CMultiplexer() {
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}
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i2cflags_t
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I2CMultiplexer::
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getErrors() {
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  return this->driver->getErrors();
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}
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msg_t
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I2CMultiplexer::
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masterTransmit(const I2CTxParams *params, systime_t timeout) {
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  return this->driver->masterTransmit(params, timeout);
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}
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msg_t
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I2CMultiplexer::
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masterReceive(const I2CRxParams *params, systime_t timeout) {
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  return this->driver->masterReceive(params, timeout);
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}
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void
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I2CMultiplexer::
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acquireBus() {
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#if CH_USE_MUTEXES
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  chMtxLock(&this->mutex);
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#elif CH_USE_SEMAPHORES
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  chSemWait(&this->semaphore);
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#endif
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  this->driver->acquireBus();
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}
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void
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I2CMultiplexer::
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releaseBus() {
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  this->driver->releaseBus();
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#if CH_USE_MUTEXES
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  chMtxUnlock();
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#elif CH_USE_SEMAPHORES
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  chSemSignal(&this->semaphore);
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#endif
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}
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} /* amiro */