topic Driving Osram 4 digit display with JM60 in 8-bit Microcontrollers https://community.nxp.com/t5/8-bit-Microcontrollers/Driving-Osram-4-digit-display-with-JM60/m-p/203900#M16919 <HTML><HEAD></HEAD><BODY><P>Beginner here. I'm using the freescale usb JM60 demo board tutorial to try and drive an osram intelligent display.I'm trying to use Endpoint 3[bulk] to drive portB and D pins to initialize display and send data. I can send hex numbers to Enpoint three but none of the port pins change after initializing them to one for output.</P><P>&nbsp; Can someone explain how to send data properly to the osram and whats going on in the enpoint buffer? How come my ports arnt changing in debug when I send data to the endpoint buffer?</P><P><A href="http://i75.photobucket.com/albums/i288/bismond/osram.jpg"><IMG border="0" height="478" src="http://i75.photobucket.com/albums/i288/bismond/osram.jpg" width="800" /></A></P><P>&nbsp;</P><P><A href="http://i75.photobucket.com/albums/i288/bismond/buffercode.jpg"><IMG border="0" src="http://i75.photobucket.com/albums/i288/bismond/buffercode.jpg" /></A></P></BODY></HTML> Sun, 30 May 2010 01:08:57 GMT crash 2010-05-30T01:08:57Z Driving Osram 4 digit display with JM60 https://community.nxp.com/t5/8-bit-Microcontrollers/Driving-Osram-4-digit-display-with-JM60/m-p/203900#M16919 <HTML><HEAD></HEAD><BODY><P>Beginner here. I'm using the freescale usb JM60 demo board tutorial to try and drive an osram intelligent display.I'm trying to use Endpoint 3[bulk] to drive portB and D pins to initialize display and send data. I can send hex numbers to Enpoint three but none of the port pins change after initializing them to one for output.</P><P>&nbsp; Can someone explain how to send data properly to the osram and whats going on in the enpoint buffer? How come my ports arnt changing in debug when I send data to the endpoint buffer?</P><P><A href="http://i75.photobucket.com/albums/i288/bismond/osram.jpg"><IMG border="0" height="478" src="http://i75.photobucket.com/albums/i288/bismond/osram.jpg" width="800" /></A></P><P>&nbsp;</P><P><A href="http://i75.photobucket.com/albums/i288/bismond/buffercode.jpg"><IMG border="0" src="http://i75.photobucket.com/albums/i288/bismond/buffercode.jpg" /></A></P></BODY></HTML> Sun, 30 May 2010 01:08:57 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Driving-Osram-4-digit-display-with-JM60/m-p/203900#M16919 crash 2010-05-30T01:08:57Z Re: Driving Osram 4 digit display with JM60 https://community.nxp.com/t5/8-bit-Microcontrollers/Driving-Osram-4-digit-display-with-JM60/m-p/203901#M16920 <HTML><HEAD></HEAD><BODY><P><STRONG><FONT color="#000000" face="Times New Roman" size="3">Sorry for the unreadable first post. I bought a second single digit osram and I am able to drive it with the JM 60 board by bypassing the usb C# interface from the tutorial and flashing a simple initialization program to lamp test the display and mcu outputs. Everything works that way but when I use the Samuel USB Device driver from the tutorial it stops working. The driver in the device manager throws a code 10 and wont start. It worked for quite a while then stoped again.Very frustrating for a beginner. Guess I need to&nbsp;research&nbsp; USB 2.0 standard yeech. Complicated.&nbsp;&nbsp;&nbsp;</FONT></STRONG></P></BODY></HTML> Tue, 20 Jul 2010 03:53:15 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Driving-Osram-4-digit-display-with-JM60/m-p/203901#M16920 crash 2010-07-20T03:53:15Z