• putchar works, printf not
    Hello, I'm programming a OS for C167 and my problem is that the C167 does write with putchar, but when I want to write with printf it only prints the first character of the string. For example:...
  • putchar and printf problem
    Hi, I'm using Silabs IDE and KEIL C 51. I want to use printf, I know that printf is using putchar. So I've modified the file PUTCHAR.C to meet my HARDWARE UART the file PUTCHAR.C is located in the...
  • printf statement not working after putchar statement is used.
    Hi All I am using following putchar routine. void srl_putchar(unsigned char send) { SBUF = send; while (!TI); TI = 0; } after using above routine to transfer a character via serial port i continued...
  • How do printf and putchar really work?
    Please a little help. I have a uVision Demo. I am trying to display a message using the printf function. I wrote my aplication then made a copy of the putchar.c file that comes with the application...
  • putchar/printf problem
    Dear all, I am having problem with putchar function. When i am running a "putchar('A');" instruction, i am getting the Charater 'A' output on the serial window. But when i run next "putchar...