• OS_ERR_FIFO_OVF when CAN data received
    Hi everybody I use SAM7x512 and RL-ARM OS. here, OS has 7 tasks and one of them is for CAN receiver. OS_TICK is 1000 and OS_STKSIZE is 1024. and 500000 is my CAN baudrate(my board is just receiver...
  • Can send serial data but not receive
    When I try to use getchar, the program just hangs. It seems as though the bit in the U0LSR register that says data is in the RDR register is not being set. printf works just fine as I can see everything...
  • Bits lost while receiving serial data
    This is in connection with my old post http://www.keil.com/forum/20496/ I got great help here. Now I can read serial bit stream into a 32bit long, split it in 4 bytes & after some conversion can...
  • problem in receiving text serially.
    first of all thanks for replying. Actually i have experience in coding. The problem is i had written code in keil uvision to receive the text serially passed from pc using pointer. i can c text arriving...
  • Battery RAM not saving data
    Having problem with Battery RAM area 0xE0084000 - 0xE00847FF. Have 32 data stored there, but it is lost when power is removed. Vbat is connected and battery voltage is good. RTC retains date & time...