LPC MicrocontrollersのトピックRe: How kI2C_TransferDefaultFlag works for I2C? https://community.nxp.com/t5/LPC-Microcontrollers/How-kI2C-TransferDefaultFlag-works-for-I2C/m-p/1656012#M52679 <P>Hello, my name es Pavel and I will be supporting your case, could you tell me what kind of MCU, or board do you have?<BR />Pavel</P> Tue, 23 May 2023 20:33:13 GMT Pavel_Hernandez 2023-05-23T20:33:13Z How kI2C_TransferDefaultFlag works for I2C? https://community.nxp.com/t5/LPC-Microcontrollers/How-kI2C-TransferDefaultFlag-works-for-I2C/m-p/1655729#M52677 <P>Hi,</P><P>This is the sample code of the i2c_polling_b2b_master.</P><P>I do not understand why to use the TransferDefaultFlag here,as it seems like it will send the start signal again and will have multiple starts here since the line 108 already sent a start signal.</P><P>What is the purpose of having the flags here as the parameter?</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="cavinlong_0-1684844065775.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/224463i841BFAB2C148A328/image-size/medium?v=v2&amp;px=400" role="button" title="cavinlong_0-1684844065775.png" alt="cavinlong_0-1684844065775.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="cavinlong_0-1684844385797.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/224464iF0613D672AF66E6E/image-size/medium?v=v2&amp;px=400" role="button" title="cavinlong_0-1684844385797.png" alt="cavinlong_0-1684844385797.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P><P>Thank you in advance.</P> Tue, 23 May 2023 12:34:40 GMT https://community.nxp.com/t5/LPC-Microcontrollers/How-kI2C-TransferDefaultFlag-works-for-I2C/m-p/1655729#M52677 cavinlong 2023-05-23T12:34:40Z Re: How kI2C_TransferDefaultFlag works for I2C? https://community.nxp.com/t5/LPC-Microcontrollers/How-kI2C-TransferDefaultFlag-works-for-I2C/m-p/1656012#M52679 <P>Hello, my name es Pavel and I will be supporting your case, could you tell me what kind of MCU, or board do you have?<BR />Pavel</P> Tue, 23 May 2023 20:33:13 GMT https://community.nxp.com/t5/LPC-Microcontrollers/How-kI2C-TransferDefaultFlag-works-for-I2C/m-p/1656012#M52679 Pavel_Hernandez 2023-05-23T20:33:13Z Re: How kI2C_TransferDefaultFlag works for I2C? https://community.nxp.com/t5/LPC-Microcontrollers/How-kI2C-TransferDefaultFlag-works-for-I2C/m-p/1656125#M52682 hi, LP55S28 Wed, 24 May 2023 01:57:55 GMT https://community.nxp.com/t5/LPC-Microcontrollers/How-kI2C-TransferDefaultFlag-works-for-I2C/m-p/1656125#M52682 cavinlong 2023-05-24T01:57:55Z Re: How kI2C_TransferDefaultFlag works for I2C? https://community.nxp.com/t5/LPC-Microcontrollers/How-kI2C-TransferDefaultFlag-works-for-I2C/m-p/1657084#M52714 <P>Hello, I reviewed the information about that example, in this case, this function is using one flag to determine if the communication continues or if this needs to be stopped.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Pavel_Hernandez_0-1684963043042.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/224743iDD1D170ED8829E1B/image-size/medium?v=v2&amp;px=400" role="button" title="Pavel_Hernandez_0-1684963043042.png" alt="Pavel_Hernandez_0-1684963043042.png" /></span></P> <P>Best regards,<BR />Pavel</P> Wed, 24 May 2023 21:25:12 GMT https://community.nxp.com/t5/LPC-Microcontrollers/How-kI2C-TransferDefaultFlag-works-for-I2C/m-p/1657084#M52714 Pavel_Hernandez 2023-05-24T21:25:12Z