• Why not printf works always....
    Why not printf works always.... When I tried with Keil Monotor Driver51 it did not work but was working in simulation mode. But now again when I try to debug sample code in simulated mode it does...
  • Simple GPIO read not working -
    Firstly, I'n fairly new Keil, and am "upgrading from 8-bit PIC's" I'm trying to read some data from an ADC. Not working so I wrote a simple program that reads the input pin status. To my...
  • STM32F4 GPIO->BSRRH does not always work
    The issue that I am having is with two lines of code that uses GPIO_->BSRRH to control the output pins of an STM32F407. This works very well for thousands to 100K+ consecutive cycles, then misses once...
  • A simple C code doesn't work in LARGE mode
    A Keil C program, it will send data "1" when it receives data "55H" on serial port. The code is as below: #include <REG52.H> void main (void) { SP=0x5F; TMOD=0x20; //timer1,Mode2 TH1=0xFD; ...
  • fcheck() always return 1
    Hi, I am using Flash file system for interfacing sd card using SPI. MCU is LPC2138. Every thing is working fine except for fcheck() which always returns 1. I am using the latest versions MDK4.54...