LPC Microcontrollers中的主题 Re: I2C on LPC1227 https://community.nxp.com/t5/LPC-Microcontrollers/I2C-on-LPC1227/m-p/525757#M8393 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by sicotc on Sat Jan 23 13:12:26 MST 2016</STRONG><BR /><SPAN>I decided to try on a new board, and it works ...</SPAN></BODY></HTML> Wed, 15 Jun 2016 16:59:54 GMT lpcware 2016-06-15T16:59:54Z I2C on LPC1227 https://community.nxp.com/t5/LPC-Microcontrollers/I2C-on-LPC1227/m-p/525756#M8392 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by sicotc on Wed Jan 20 10:17:44 MST 2016</STRONG><BR /><SPAN>Hello,</SPAN><BR /><SPAN>I want to configure I2C in master mode. (lpcxpresso board LPC12)</SPAN><BR /><SPAN>When I send start, the interrupt execute the I2C state engine.</SPAN><BR /><SPAN>I see STAT = 0x08, (end of start) so I send Adress + W bit.</SPAN><BR /><SPAN>I put CONCLR.STA and CONCLR.SI bit at 0 (writing 1), and I see CONCLR=0x40 (I2C enable), and STAT = 0xF8, so the processor is sending data.</SPAN><BR /><SPAN>I can see data on SDA, but SI bit never go to 1, so I don't have any interrupt.</SPAN><BR /><SPAN>find project archive attached.</SPAN><BR /><SPAN>Any Idea ?</SPAN><BR /><SPAN>Thanks,</SPAN><BR /><BR /><SPAN>Christophe</SPAN><P><STRONG>Original Attachment has been moved to: <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-338032">testI2C_lpcxpresso_LPC1227.zip</A></STRONG></P></BODY></HTML> Wed, 15 Jun 2016 16:59:53 GMT https://community.nxp.com/t5/LPC-Microcontrollers/I2C-on-LPC1227/m-p/525756#M8392 lpcware 2016-06-15T16:59:53Z Re: I2C on LPC1227 https://community.nxp.com/t5/LPC-Microcontrollers/I2C-on-LPC1227/m-p/525757#M8393 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by sicotc on Sat Jan 23 13:12:26 MST 2016</STRONG><BR /><SPAN>I decided to try on a new board, and it works ...</SPAN></BODY></HTML> Wed, 15 Jun 2016 16:59:54 GMT https://community.nxp.com/t5/LPC-Microcontrollers/I2C-on-LPC1227/m-p/525757#M8393 lpcware 2016-06-15T16:59:54Z