led on off

i am new to this..I need coding for led ON,OFF control using 8051 controller...Pls send me the coding
led on off

i am new to this..I need coding for led ON,OFF control using 8051 controller...Pls send me the coding
-delay time coding make me puzzled

delay time coding make me puzzled. for example: void delay() { int x=20000; do{x=x-1;}while(x>1); } how to understand it's delay.and how long time??? sincere your in advance!
-delay time coding make me puzzled

delay time coding make me puzzled. for example: void delay() { int x=20000; do{x=x-1;}while(x>1); } how to understand it's delay.and how long time??? sincere your in advance!
LED(GPIO) ON/OFF using EMAC Protocol (LPC1768 )

Hello, I am very new to EMAC. I have chosen the controller LPC1768 which have inbuilt Ethernet MAC. I am trying to write firmware to operate some leds connected to LPC1768 Board using EMAC...