GPIO PIN interrupt IST flag is not setting in LPC 1837

Hi, I am trying to enable GPIO PIN interrupts using following procedure, But not getting why flags in IST itself not setting. Please anyone point what went wrong here my code: NVIC_DisableIRQ...
GPIO PIN interrupt IST flag is not setting in LPC 1837

Hi, I am trying to enable GPIO PIN interrupts using following procedure, But not getting why flags in IST itself not setting. Please anyone point what went wrong here my code: NVIC_DisableIRQ...
I want to change Http_demo from lpc 1768 to lpc 1788

I want to change Http_demo from lpc 1768 to lpc 1788. It doesn't work. Who can do it.
I want to change Http_demo from lpc 1768 to lpc 1788

I want to change Http_demo from lpc 1768 to lpc 1788. It doesn't work. Who can do it.
change TxD pin termporary to other Pin

I would like to change the TxD pin on LPC908(p 1.0) to an other pin temporarly and after some executions of some function want to change the porting back to original. Is this possible in 8051? best...