• failed (finit(NULL) ) to initialize the SD card and ends at Hardfault
    hi i am getting Hardfault when finit(NULL) function is executed in LPC43xx Coretex M4 Flash file system without RTOS. I am using SD card driver as SDIO43xx.c from standard drivers. why it goes...
  • ARM7 compiled code is not working
    Hello, I am using Arm7 LPC2129, we have same code which is executed in IDE : Micro-vision Keil 3.11b when I put the perecompiled hex the sw is working fine in the Controller. But when I...
  • Null Pointers
    What happens if i try to write data to memory location where NULL POINTER is pointing, in ARM? _my understanding_ The Null Pointer is a Pointer pointing to 0. Does that mean memory location 0x0(the...
  • ARM7 LPC2138 SPIO issues
    I am attempting to communicate as a master with the Phillips LPC2138 over the SPI0 interface with a digital potentiometer. The potentiometer does not have a serial output feeding back into the LPC2138...
  • NULL peculiarities
    I have a question about the behavior of some code I have written: Packet Packet_str; when I declare this structure in my main program and then check its memory location via a printf statement and...