Fix dmx_receive() block time and behavior #44
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This appears to work on ESP-IDF v5.0. It needs to be tested on ESP-IDF v4.4. |
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This has been tested and appears to work on ESP-IDF v4.4. |
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This fixes an issue where dmx_receive() wasn't properly receiving data when the block time was less than 3.
This also updates the receive behavior. Calls to dmx_receive() will now return 0 if new DMX data has not been received. Therefore, calling dmx_recieve() multiple times with a block time of 0 will fail unless the DMX driver receives a new packet.