You can find the code below:

 1 /*
 2  * File:   newmainXC16.c
 3  * Author: admin
 4  *
 5  * Created on January 15, 2021, 10:12 PM
 6  */
 7 
 8 // PIC24FJ128GL302 Configuration Bit Settings
 9 
10 // 'C' source line config statements
11 
12 // FSEC
13 #pragma config BWRP = OFF               // Boot Segment Write-Protect bit (Boot Segment may be written)
14 #pragma config BSS = DISABLED           // Boot Segment Code-Protect Level bits (No Protection (other than BWRP))
15 #pragma config BSEN = OFF               // Boot Segment Control bit (No Boot Segment)
16 #pragma config GWRP = OFF               // General Segment Write-Protect bit (General Segment may be written)
17 #pragma config GSS = DISABLED           // General Segment Code-Protect Level bits (No Protection (other than GWRP))
18 #pragma config CWRP = OFF               // Configuration Segment Write-Protect bit (Configuration Segment may be written)
19 #pragma config CSS = DISABLED           // Configuration Segment Code-Protect Level bits (No Protection (other than CWRP))
20 #pragma config AIVTDIS = OFF            // Alternate Interrupt Vector Table bit (Disabled AIVT)
21 
22 // FBSLIM
23 #pragma config BSLIM = 0x1FFF           // Boot Segment Flash Page Address Limit bits (Enter Hexadecimal value)
24 
25 // FOSCSEL
26 #pragma config FNOSC = OSCFDIV          // Oscillator Source Selection (Oscillator with Divider)
27 #pragma config PLLMODE = DISABLED       // PLL Mode Selection (No PLL used; PLLEN bit is not available)
28 #pragma config IESO = ON                // Two-speed Oscillator Start-up Enable bit (Start up device with FRC, then switch to user-selected oscillator source)
29 
30 // FOSC
31 #pragma config POSCMD = NONE            // Primary Oscillator Mode Select bits (Primary Oscillator disabled)
32 #pragma config OSCIOFCN = OFF           // OSC2 Pin Function bit (OSC2 is clock output)
33 #pragma config SOSCSEL = ON             // SOSC Power Selection Configuration bits (SOSC is used in crystal (SOSCI/SOSCO) mode)
34 #pragma config PLLSS = PLL_PRI          // PLL Secondary Selection Configuration bit (PLL is fed by the Primary oscillator)
35 #pragma config IOL1WAY = ON             // Peripheral pin select configuration bit (Allow only one reconfiguration)
36 #pragma config FCKSM = CSDCMD           // Clock Switching Mode bits (Both Clock switching and Fail-safe Clock Monitor are disabled)
37 
38 // FWDT
39 #pragma config WDTPS = PS32768          // Watchdog Timer Postscaler bits (1:32,768)
40 #pragma config FWPSA = PR128            // Watchdog Timer Prescaler bit (1:128)
41 #pragma config FWDTEN = ON              // Watchdog Timer Enable bits (WDT Enabled)
42 #pragma config WINDIS = OFF             // Watchdog Timer Window Enable bit (Watchdog Timer in Non-Window mode)
43 #pragma config WDTWIN = WIN25           // Watchdog Timer Window Select bits (WDT Window is 25% of WDT period)
44 #pragma config WDTCMX = WDTCLK          // WDT MUX Source Select bits (WDT clock source is determined by the WDTCLK Configuration bits)
45 #pragma config WDTCLK = LPRC            // WDT Clock Source Select bits (WDT uses LPRC)
46 
47 // FPOR
48 #pragma config BOREN = ON               // Brown Out Enable bit (Brown Out Enable Bit)
49 #pragma config LPCFG = OFF              // Low power regulator control (No Retention Sleep)
50 #pragma config DNVPEN = ENABLE          // Downside Voltage Protection Enable bit (Downside protection enabled using ZPBOR when BOR is inactive)
51 
52 // FICD
53 #pragma config ICS = PGD1               // ICD Communication Channel Select bits (Communicate on PGEC1 and PGED1)
54 #pragma config JTAGEN = OFF             // JTAG Enable bit (JTAG is disabled)
55 
56 // FDMTIVTL
57 #pragma config DMTIVTL = 0xFFFF         // Deadman Timer Interval Low Word (Enter Hexadecimal value)
58 
59 // FDMTIVTH
60 #pragma config DMTIVTH = 0xFFFF         // Deadman Timer Interval High Word (Enter Hexadecimal value)
61 
62 // FDMTCNTL
63 #pragma config DMTCNTL = 0xFFFF         // Deadman Timer Instruction Count Low Word (Enter Hexadecimal value)
64 
65 // FDMTCNTH
66 #pragma config DMTCNTH = 0xFFFF         // Deadman Timer Instruction Count High Word (Enter Hexadecimal value)
67 
68 // FMDT
69 #pragma config DMTDIS = OFF             // Deadman Timer Enable Bit (Dead Man Timer is Disabled and can be enabled by software)
70 
71 // FDEVOPT1
72 #pragma config ALTCMPI = DISABLE        // Alternate Comparator Input Enable bit (C2INC and C3INC are on their standard pin locations )
73 #pragma config TMPRPIN = OFF            // Tamper Pin Enable bit (TMPRN pin function is disabled)
74 #pragma config SOSCHP = ON              // SOSC High Power Enable bit (valid only when SOSCSEL = 1 (Enable SOSC high power mode (default))
75 #pragma config ALTI2C1 = ALTI2C1_OFF    // Alternate I2C pin Location (I2C1 Pin mapped to SDA1/SCL1 pins)
76 #pragma config SMB3EN = SMBUS3          // SM Bus Enable (SMBus 3.0 input levels)
77 
78 // #pragma config statements should precede project file includes.
79 // Use project enums instead of #define for ON and OFF.
80 
81 
82 #include "xc.h"
83 #define _XTAL_FREQ 20000000
84 int i =0;
85 void main(void) {
86     TRISG = 0b00000000;
87     TRISB = 0b00000000;
88     while(1){
89         PORTGbits.RG7 = 1; //This can be any pin connected to LED
90         for (i=1;i<20000;i++);
91         PORTGbits.RG7=0;
92         for (i=1;i<20000;i++);
93         
94         return;
95     
96     }
97 }
98