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Discussion Title Created date
pcb re-work
Hi guys, would any of you Gentlemen know of a company that does PCB re-work?
Thursday, 17 December 2015 - 17:16
Simple Array Initialisation
Okays Folks, this is the structure truct delay_structure{  struct task_ctrl_obj * tcb_next_exe;  unsigned char Priority_Map[9];  unsigned char priorities[64];...
Thursday, 26 November 2015 - 22:48
USART Performance
Hi guys, I've designed an RTOS and I have a GPS device connected to it.  The problem is the performance of the GPS device is poor, it drops characters being sent or flags a...
Friday, 20 November 2015 - 00:11
testing if an interrupt is pending
Hello guys, I'm hoping someone can help me.  Is this a valid way of testing if there is an interrupt pending in the background?   for(unsigned char interrupt_level...
Thursday, 5 November 2015 - 21:08
is __COUNTER__ multi-tasking save?
Sunday, 25 October 2015 - 22:14
CPU Mode
When I enter a interrupt at interrupt level 3 I want to decrease it to a interrupt level 0 during the interrupt.  How is this achieved?  Can I simply change the CPU...
Monday, 21 September 2015 - 05:09
optimisation of certian files
I there a way of optimizing certain .h files?  
Monday, 14 September 2015 - 17:17
supervisor call
Hello guys, I would like to use the scall to call a number of functions.  I've tried the following: EXCEPTION.S  // DTLB Miss (Write). _handle_DTLB_Miss_Write:  ...
Tuesday, 8 September 2015 - 18:31
calling function handler
Hi guy, I have a function handler for calling functions.  I correctly calls the function but sometimes the code within the called function fails.  See below for details...
Sunday, 6 September 2015 - 22:04
Hi freaks, I have a routine for testing the check sum of a NMEA packet however it fails approx. 50% of the time.  An example packet would be $GPRMC,123519,A,4807.038,N,01131....
Saturday, 29 August 2015 - 19:28
if statement always proves positive even with if(false){
  // Process check sum and continue if correct   if(false){//test_check_sum(&NEMA_Header[0], &NEMA_temporary_buffer[0])){     ...
Friday, 28 August 2015 - 00:21
Newbie string question atoi()
why does the following if statement not prove true? checksum = 0x10; checksum_ascii[0] = '1'; checksum_ascii[1] = '0'; checksum_ascii[2] = '\0';       ...
Wednesday, 26 August 2015 - 16:16