https://community.nxp.com/t5/LPC-Microcontrollers/FRDM-K66F-multi-master-I2C/m-p/1277094#M45012 <P>Hello!</P><P>is it is the same case for the FreeRTOS i2c driver?</P><P>I'm trying to use two i2c buses as master (i2c0 and i2c1) but if I initialize the I2C1 with&nbsp;<SPAN>MCUxpresso IDE config tool the I2C0 don't work anymore.</SPAN></P><P><SPAN>The hang happen in&nbsp;I2C_RTOS_Transfer on file&nbsp;fsl_i2c_freertos.c, the line</SPAN></P><P><SPAN>(void)xSemaphoreTake(handle-&gt;semaphore, portMAX_DELAY); never returns.</SPAN></P><P><SPAN>It's because he interruption was never catch on callback:&nbsp;I2C_RTOS_Callback</SPAN></P><P><SPAN>If I disable the I2C1 driver, then I2C0 works normaly.</SPAN></P> Fri, 14 May 2021 18:12:52 GMT alfredos 2021-05-14T18:12:52Z https://community.nxp.com/t5/LPC-Microcontrollers/FRDM-K66F-multi-master-I2C/m-p/1269162#M44801 <P>Hi,</P><P>How can I setup multi-master I2C peripherals on FRDM-K66F Board using MCUxpresso IDE config tool?</P><P>Thank you</P> Tue, 27 Apr 2021 22:30:03 GMT https://community.nxp.com/t5/LPC-Microcontrollers/FRDM-K66F-multi-master-I2C/m-p/1269162#M44801 thilankadamith 2021-04-27T22:30:03Z https://community.nxp.com/t5/LPC-Microcontrollers/FRDM-K66F-multi-master-I2C/m-p/1269784#M44828 <P>PLease check the following thread</P> <P>&nbsp;</P> <P><A href="https://community.nxp.com/t5/MCUXpresso-SDK/I2C-MasterTransferBlocking-hangs-waiting-on-kI2C/m-p/1261443#M3125" target="_blank">https://community.nxp.com/t5/MCUXpresso-SDK/I2C-MasterTransferBlocking-hangs-waiting-on-kI2C/m-p/1261443#M3125</A></P> <P>&nbsp;</P> <P>Regards</P> <P>Vicente</P> Wed, 28 Apr 2021 15:52:46 GMT https://community.nxp.com/t5/LPC-Microcontrollers/FRDM-K66F-multi-master-I2C/m-p/1269784#M44828 vicentegomez 2021-04-28T15:52:46Z https://community.nxp.com/t5/LPC-Microcontrollers/FRDM-K66F-multi-master-I2C/m-p/1277094#M45012 <P>Hello!</P><P>is it is the same case for the FreeRTOS i2c driver?</P><P>I'm trying to use two i2c buses as master (i2c0 and i2c1) but if I initialize the I2C1 with&nbsp;<SPAN>MCUxpresso IDE config tool the I2C0 don't work anymore.</SPAN></P><P><SPAN>The hang happen in&nbsp;I2C_RTOS_Transfer on file&nbsp;fsl_i2c_freertos.c, the line</SPAN></P><P><SPAN>(void)xSemaphoreTake(handle-&gt;semaphore, portMAX_DELAY); never returns.</SPAN></P><P><SPAN>It's because he interruption was never catch on callback:&nbsp;I2C_RTOS_Callback</SPAN></P><P><SPAN>If I disable the I2C1 driver, then I2C0 works normaly.</SPAN></P> Fri, 14 May 2021 18:12:52 GMT https://community.nxp.com/t5/LPC-Microcontrollers/FRDM-K66F-multi-master-I2C/m-p/1277094#M45012 alfredos 2021-05-14T18:12:52Z