Related Manuals for OLIMEX MOD-RGB
Summary of Contents for OLIMEX MOD-RGB
- Page 1 MOD-RGB INSTALLATION AND FIRMWARE SUITABLE FOR FIRMWARE REVISION 3 Document revision B, June 2015 All boards produced by Olimex LTD are ROHS compliant...
- Page 2 This document is intended only to assist the reader in the use of the product. OLIMEX Ltd. shall not be liable for any loss or damage arising from the use of any information in this document or any error or omission in such information or any incorrect use of the product.
- Page 3 More information for how the firmware source code was compiled might be found in the "project_information.txt" file inside the source code folders (the source code of the latest firmware is available at the product page of MOD-RGB). The latest firmware version is release 3. Different firmware revisions might have big differences and incompatibilities.
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Page 4: Dmx Mode
To enter DMX512 mode: Turn off/power down MOD-RGB then close DMX_EN and turn on/power up MOD-RGB. The other jumper UPWR_E shoud be closed if the device board we interface with needs to be powered via the UEXT. If we use MOD-RS485 we also close UPWR_E and then we power cycle the board. - Page 5 The format of the standard I2C message follows the pattern: S |AAAAAAA|W/R|ACK| |DDDDDDDD|ACK| |DDDDDDDD|ACK| |DDDDDDDD|ACK|..|P , where S – Start condition (automatically sent) AAAAAAA – Olimex Address – 0x20 W/R – read or write – 0 ACK – acknowledge DDDDD – DATA to transmit ACK –...