topic USB ROM Driver - Detect Attach and Removal in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/USB-ROM-Driver-Detect-Attach-and-Removal/m-p/572834#M18659 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by emh203 on Wed Nov 19 12:28:36 MST 2014</STRONG><BR /><SPAN>Is there a clean way to determine when a USB device is attached or removed with the USB rom drivers?&nbsp;&nbsp; I am currently using MSC.&nbsp;&nbsp;&nbsp; I need to be able detect when the enumeration process is complete and when the device is disconnected to be able to provide some mutual exclusion when accessing the SD card.</SPAN><BR /><BR /><SPAN>The dirty way to do it is monitor VBUS on an IO pin but I was hoping to there was a way through the ROM drivers.&nbsp;&nbsp;&nbsp; I am pretty sure I can get what I want by adding code to a custom interrupt handler but I wanted to see if there were callbacks available for this function.</SPAN><BR /><BR /></BODY></HTML> Wed, 15 Jun 2016 18:57:47 GMT lpcware 2016-06-15T18:57:47Z USB ROM Driver - Detect Attach and Removal https://community.nxp.com/t5/LPC-Microcontrollers/USB-ROM-Driver-Detect-Attach-and-Removal/m-p/572834#M18659 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by emh203 on Wed Nov 19 12:28:36 MST 2014</STRONG><BR /><SPAN>Is there a clean way to determine when a USB device is attached or removed with the USB rom drivers?&nbsp;&nbsp; I am currently using MSC.&nbsp;&nbsp;&nbsp; I need to be able detect when the enumeration process is complete and when the device is disconnected to be able to provide some mutual exclusion when accessing the SD card.</SPAN><BR /><BR /><SPAN>The dirty way to do it is monitor VBUS on an IO pin but I was hoping to there was a way through the ROM drivers.&nbsp;&nbsp;&nbsp; I am pretty sure I can get what I want by adding code to a custom interrupt handler but I wanted to see if there were callbacks available for this function.</SPAN><BR /><BR /></BODY></HTML> Wed, 15 Jun 2016 18:57:47 GMT https://community.nxp.com/t5/LPC-Microcontrollers/USB-ROM-Driver-Detect-Attach-and-Removal/m-p/572834#M18659 lpcware 2016-06-15T18:57:47Z