topic Serial Interrupt Help in CodeWarrior for MCU https://community.nxp.com/t5/CodeWarrior-for-MCU/Serial-Interrupt-Help/m-p/129402#M902 <HTML><HEAD></HEAD><BODY><DIV> </DIV><P>Serial Interrupt Help</P><P>Hi, I’m working on an MC9S12C32 (HCS12) and I’m having lots of trouble getting my program to accept inputs over the RS232 port.<BR />I've loaded a program that drives a PWM and turns on an LED, and if it receives any data over the serial port it should turn off the LED.<BR />Trying to communicate from my PC program to the serial port on the board wasn't working, so I actually put a signal on the receive pin of the J1 connector (PS0/RXD) and the LED properly turned off when it received the signal.</P><P>Is there anything odd like a jumper I have to remove or something to communicate to the board through the actual DB9 connector?</P><P>I tried switching the cable connecting the PC to the board with a null-modem cable instead, with still no success.</P><P>Any help would be greatly appreciated! <A href="http://freescale.i.lithium.com/i/smilies/16x16_smiley-happy.gif"><IMG alt=":smileyhappy:" class="emoticon emoticon-smileyhappy" src="http://freescale.i.lithium.com/i/smilies/16x16_smiley-happy.gif" title="Smiley Happy" /></A><BR /></P></BODY></HTML> Tue, 21 Mar 2006 08:53:46 GMT LM 2006-03-21T08:53:46Z Serial Interrupt Help https://community.nxp.com/t5/CodeWarrior-for-MCU/Serial-Interrupt-Help/m-p/129402#M902 <HTML><HEAD></HEAD><BODY><DIV> </DIV><P>Serial Interrupt Help</P><P>Hi, I’m working on an MC9S12C32 (HCS12) and I’m having lots of trouble getting my program to accept inputs over the RS232 port.<BR />I've loaded a program that drives a PWM and turns on an LED, and if it receives any data over the serial port it should turn off the LED.<BR />Trying to communicate from my PC program to the serial port on the board wasn't working, so I actually put a signal on the receive pin of the J1 connector (PS0/RXD) and the LED properly turned off when it received the signal.</P><P>Is there anything odd like a jumper I have to remove or something to communicate to the board through the actual DB9 connector?</P><P>I tried switching the cable connecting the PC to the board with a null-modem cable instead, with still no success.</P><P>Any help would be greatly appreciated! <A href="http://freescale.i.lithium.com/i/smilies/16x16_smiley-happy.gif"><IMG alt=":smileyhappy:" class="emoticon emoticon-smileyhappy" src="http://freescale.i.lithium.com/i/smilies/16x16_smiley-happy.gif" title="Smiley Happy" /></A><BR /></P></BODY></HTML> Tue, 21 Mar 2006 08:53:46 GMT https://community.nxp.com/t5/CodeWarrior-for-MCU/Serial-Interrupt-Help/m-p/129402#M902 LM 2006-03-21T08:53:46Z Re: Serial Interrupt Help https://community.nxp.com/t5/CodeWarrior-for-MCU/Serial-Interrupt-Help/m-p/129403#M903 <HTML><HEAD></HEAD><BODY><DIV>Uh, what board?&nbsp; Did you design it?&nbsp; Or are you talking one of the developement boards someone designed?</DIV><DIV>&nbsp;</DIV><DIV>I used the 9S12 Badge from Future with the 9S12DP256 part on it and there are no jumpers for&nbsp;COM channel '0'.</DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV></BODY></HTML> Wed, 22 Mar 2006 03:54:41 GMT https://community.nxp.com/t5/CodeWarrior-for-MCU/Serial-Interrupt-Help/m-p/129403#M903 mke_et 2006-03-22T03:54:41Z