config.h

#define SYS_FREQ    (80000000ul)   // Hz.
#define GetSystemClock()  (SYS_FREQ)    // Used instead of SYS_FREQ in some modules.
#define GetInstructionClock() (GetSystemClock()/1) // Normally GetSystemClock()/4 for PIC18, GetSystemClock()/2 for PIC24/dsPIC, and GetSystemClock()/1 for PIC32.  Might need changing if using Doze modes.
#define GetPeripheralClock() (GetSystemClock()/1) // Normally GetSystemClock()/4 for PIC18, GetSystemClock()/2 for PIC24/dsPIC, and GetSystemClock()/1 for PIC32.  Divisor may be different if using a PIC32 since it's configurable.

#pragma config FPLLIDIV = DIV_2         // PLL Input Divider (2x Divider)
#pragma config FPLLMUL = MUL_20         // PLL Multiplier (20x Multiplier)
#pragma config FPLLODIV = DIV_1         // System PLL Output Clock Divider (PLL Divide by 1)
#pragma config FNOSC = PRIPLL           // Oscillator Selection Bits (Primary Osc w/PLL (XT+,HS+,EC+PLL))
#pragma config POSCMOD = XT             // Primary Oscillator Configuration (XT osc mode)
#pragma config FPBDIV = DIV_1           // Peripheral Clock Divisor (Pb_Clk is Sys_Clk/1)
#pragma config UPLLIDIV = DIV_2         // USB PLL Input Divider (2x Divider) - For 8MHz crystal
#pragma config UPLLEN = ON              // USB PLL Enable (Enabled)