• usart base address is overwritten
    I've one problem with buffer overflow - I don't know which buffer it could be. I always get a error if I want to write something to the usart. The pointer to the usart base address is not overwritten...
  • Debugging the global variable overwritten
    Hi, I am running my application using SI1060 chip based on C51. I am using SILab IDE based on Keil. After few hours I observe, my global variable is overwritten. I could not find watch-point and break...
  • STR710 IER register is overwritten illegally
    We have a project using ARM-7 STR710FZ2. The OS is Keil RTX V2.50. We have a problem with the IER (Interrupt Enable Register in EIC). In system startup, the IER is initialized to 0x00000221. But after...
  • C51 8.02/8.05 compiler bug - function parameter overwritten
    Hey guys from KEIL, sorry but I have to report this. Here is a simple code that shows the bug: typedef unsigned char byte; byte code zzz[4]; void fff(byte,byte); void keil_bug(byte flag) { byte...
  • getting started
    i'm new to ARM Cortex M4, i have a STM32F4 discovery board. i've downloaded a sample program for it and whenever i compile, it shows the following error MyTest.axf: Error: L6218E: Undefined symbol...