amiro-os / components / bus / i2c / I2CMultiplexer.cpp @ c76baf23
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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 */
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