I'm trying to use printf() function on LPC2138 UART0 but it seems it doesn't work. It works fine on UART1 but not on UART0. Am I missing something? Must I use some redirect or something? Michal
http://www.keil.com/support/man/docs/ca/ca_putchar.htm As it suggests on that page, you'll have to modify the source to provide the functionality you require.