LPC Microcontrollers中的主题 Problem Using all I2C Ports on LPC824 https://community.nxp.com/t5/LPC-Microcontrollers/Problem-Using-all-I2C-Ports-on-LPC824/m-p/571905#M18484 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by FirmLogic on Wed Dec 03 10:03:55 MST 2014</STRONG><BR /><SPAN>LPC824-MAX board ... </SPAN><BR /><SPAN>I expanded the sample code for file "periph_i2cm_interrupt" to setup and use all I2C ports in interrupt mode.&nbsp; (LPCOpen does not provide sample code for the non fixed I2C port.) Only I2C0 causes an interrupt. I get no activity on the other I2C ports.&nbsp; I studied the user manual in effort to determine what possible step I am missing. When debugging, after loading the MSTDAT register and the start command in the MSTCTL register, the STAT register is always "0".</SPAN><BR /><BR /><SPAN>Is there a sample code for seting up the other I2C ports?</SPAN></BODY></HTML> Wed, 15 Jun 2016 20:11:35 GMT lpcware 2016-06-15T20:11:35Z Problem Using all I2C Ports on LPC824 https://community.nxp.com/t5/LPC-Microcontrollers/Problem-Using-all-I2C-Ports-on-LPC824/m-p/571905#M18484 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by FirmLogic on Wed Dec 03 10:03:55 MST 2014</STRONG><BR /><SPAN>LPC824-MAX board ... </SPAN><BR /><SPAN>I expanded the sample code for file "periph_i2cm_interrupt" to setup and use all I2C ports in interrupt mode.&nbsp; (LPCOpen does not provide sample code for the non fixed I2C port.) Only I2C0 causes an interrupt. I get no activity on the other I2C ports.&nbsp; I studied the user manual in effort to determine what possible step I am missing. When debugging, after loading the MSTDAT register and the start command in the MSTCTL register, the STAT register is always "0".</SPAN><BR /><BR /><SPAN>Is there a sample code for seting up the other I2C ports?</SPAN></BODY></HTML> Wed, 15 Jun 2016 20:11:35 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Problem-Using-all-I2C-Ports-on-LPC824/m-p/571905#M18484 lpcware 2016-06-15T20:11:35Z Re: Problem Using all I2C Ports on LPC824 https://community.nxp.com/t5/LPC-Microcontrollers/Problem-Using-all-I2C-Ports-on-LPC824/m-p/571906#M18485 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by FirmLogic on Wed Dec 31 22:00:56 MST 2014</STRONG><BR /><SPAN>Problem was solved: Had to drop the LPC824 MAX board driver library which was always enabling all fixed functions which was overriding my setup.</SPAN><BR /></BODY></HTML> Wed, 15 Jun 2016 20:11:36 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Problem-Using-all-I2C-Ports-on-LPC824/m-p/571906#M18485 lpcware 2016-06-15T20:11:36Z