• A quention about RAM management
    void LongLatPrintf(unsigned char row,unsigned char col, signed int du, unsigned int fen,float miao) { unsigned char T[2]={0},D[4]={0},P[6]={0},Q[3]={0}; unsigned int temp=0; temp = abs(du); ...
  • Question about RAM management again
    Taking the advice from Drew Davis,I defined all function with REENTRANT.After compiling and linking ,RAM reduced more than 200 bytes.But the program can not drive the LCD well even a black point on LCD...
  • Stack management
    Is there a good way to predict how much idata memory I should be preserving for the RTX51Tiny stack area? I keep getting the STACK_ERROR trap, but there's no way for me to 1) figure out how large FREE_STACK...
  • interupt management
    dear all, i am running 3 motors in 4msec timer interrupt and clocks given to motor are in different timer interrupts. priority of clock interrutps are more than 4msec timer interrupt but when i am...
  • Accessing Data RAM in P89LPC931
    Hi I am trying to store data into the EEPROM . I used the sample code available in this website. But the code does not work .Can anyone find out the mistake here . Please give me a sample working code...