LPC Microcontrollers中的主题 Problems with HID https://community.nxp.com/t5/LPC-Microcontrollers/Problems-with-HID/m-p/523870#M6506 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by tsigorb on Tue May 26 04:14:03 MST 2015</STRONG><BR /><SPAN>Hi, friends!</SPAN><BR /><BR /><SPAN>I have same problems with hardware HID implementation to LPC1823 processor. I am create complex USB device which consist of 2 parts - usb audio device and HID device. Enumeration procedure is ok, and this devices show in Windows devices manager.</SPAN><BR /><BR /><SPAN>My problems:</SPAN><BR /><SPAN>1. if I use programm SimpleHIDWrite.exe for write report, then my firmware recieve event USB_EVT_OUT_NAK instead USB_EVT_OUT in HID_EpOutHdlr and data is absent;</SPAN><BR /><SPAN>2. if I use programm SimpleHIDWrite.exe for SetReport, then my firmware call HID_SetReport function, but length of data==0 and data is absent;</SPAN><BR /><SPAN>3. if I open my HID device with CreateFile function, device is opening correctly, but read HID report with function ReadFile not call HID_EpInHdlr in firmware (code to PC side work correctly with other devices).</SPAN><BR /><BR /><SPAN>Only HID_GetReport work correctly if I call function GetReport from programm SimpleHIDWrite.exe:(</SPAN><BR /><BR /><SPAN>Help me, please...</SPAN><BR /></BODY></HTML> Wed, 15 Jun 2016 16:49:03 GMT lpcware 2016-06-15T16:49:03Z Problems with HID https://community.nxp.com/t5/LPC-Microcontrollers/Problems-with-HID/m-p/523870#M6506 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by tsigorb on Tue May 26 04:14:03 MST 2015</STRONG><BR /><SPAN>Hi, friends!</SPAN><BR /><BR /><SPAN>I have same problems with hardware HID implementation to LPC1823 processor. I am create complex USB device which consist of 2 parts - usb audio device and HID device. Enumeration procedure is ok, and this devices show in Windows devices manager.</SPAN><BR /><BR /><SPAN>My problems:</SPAN><BR /><SPAN>1. if I use programm SimpleHIDWrite.exe for write report, then my firmware recieve event USB_EVT_OUT_NAK instead USB_EVT_OUT in HID_EpOutHdlr and data is absent;</SPAN><BR /><SPAN>2. if I use programm SimpleHIDWrite.exe for SetReport, then my firmware call HID_SetReport function, but length of data==0 and data is absent;</SPAN><BR /><SPAN>3. if I open my HID device with CreateFile function, device is opening correctly, but read HID report with function ReadFile not call HID_EpInHdlr in firmware (code to PC side work correctly with other devices).</SPAN><BR /><BR /><SPAN>Only HID_GetReport work correctly if I call function GetReport from programm SimpleHIDWrite.exe:(</SPAN><BR /><BR /><SPAN>Help me, please...</SPAN><BR /></BODY></HTML> Wed, 15 Jun 2016 16:49:03 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Problems-with-HID/m-p/523870#M6506 lpcware 2016-06-15T16:49:03Z