https://www.3dbrew.org/w/index.php?action=history&feed=atom&title=I2C%3AReadRegistersBuffer8 2026-06-02T07:54:14Z Revision history for this page on the wiki MediaWiki 1.43.1 https://www.3dbrew.org/w/index.php?title=I2C:ReadRegistersBuffer8&diff=23827&oldid=prev 2026-05-28T12:16:45Z

<p>Created page with &quot;=Request= {{IPC/Request}} {{IPC/RequestHeader|0x0012|3|2}} {{IPC/RequestEntry|u8, device ID}} {{IPC/RequestEntry|u8, starting register}} {{IPC/RequestEntry|u32, size}} {{IPC/MapPointerW|Output buffer pointer}} {{IPC/RequestEnd}} =Response= {{IPC/Request}} {{#vardefine:ipc_offset|0}} {{IPC/RequestHeader|0x0012|1|2}} {{IPC/RequestEntry|Result code}} {{IPC/MapPointerW|Output buffer pointer}} {{IPC/RequestEnd}} =Description= Reads a range of 8-bit I2C registers of the s...&quot;</p> <p><b>New page</b></p><div>=Request=<br /> <br /> <br /> {{IPC/Request}}<br /> {{IPC/RequestHeader|0x0012|3|2}}<br /> {{IPC/RequestEntry|u8, device ID}}<br /> {{IPC/RequestEntry|u8, starting register}}<br /> {{IPC/RequestEntry|u32, size}}<br /> {{IPC/MapPointerW|Output buffer pointer}}<br /> {{IPC/RequestEnd}}<br /> <br /> =Response=<br /> <br /> {{IPC/Request}}<br /> {{#vardefine:ipc_offset|0}}<br /> {{IPC/RequestHeader|0x0012|1|2}}<br /> {{IPC/RequestEntry|Result code}}<br /> {{IPC/MapPointerW|Output buffer pointer}}<br /> {{IPC/RequestEnd}}<br /> <br /> =Description=<br /> Reads a range of 8-bit I2C registers of the specified device sequentially to the given buffer.<br /> <br /> Similar to [[I2C:ReadRegisters8]], except this version uses a mapped buffer instead of a static buffer.<br /> <br /> For example, assuming:<br /> <br /> &lt;pre&gt;<br /> reg[5] = 0xAA, reg[6] = 0xBB, reg[7] = 0xCC, reg[8] = 0xDD<br /> &lt;/pre&gt;<br /> <br /> Then reading 4 bytes with starting register 5 would result in:<br /> <br /> &lt;pre&gt;<br /> outbuf[0] = 0xAA<br /> outbuf[1] = 0xBB<br /> outbuf[2] = 0xCC<br /> outbuf[3] = 0xDD<br /> &lt;/pre&gt;</div>

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