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main.c
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main.c
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/******************************************************************************/
/* Files to Include */
/******************************************************************************/
#if defined(__XC)
#include <xc.h> /* XC8 General Include File */
#elif defined(HI_TECH_C)
#include <htc.h> /* HiTech General Include File */
#endif
#include <stdint.h> /* For uint8_t definition */
#include <stdbool.h> /* For true/false definition */
#include "system.h" /* System funct/params, like osc/peripheral config */
#include "user.h" /* User funct/params, such as InitApp */
#include "nrf24l01+.h"
#include "nerf.h"
#include "tests.h"
#include "bitbang.h"
/******************************************************************************/
/* User Global Variable Declaration */
/******************************************************************************/
/* i.e. uint8_t <variable_name>; */
void blink(){
TRISC = 0x00;
uint8_t glow = true;
while (1){
LATC = glow ? 0xff : 0x00;
for (unsigned long long x = 0; x < 100000; x++);
glow = !glow;
}
}
/******************************************************************************/
/* Main Program */
/******************************************************************************/
int8_t strcmp (const char* a, const char* b){
int8_t next = -1;
do{
next++;
if (a [next] < b [next]) return -1;
if (a [next] > b [next]) return 1;
}
while (a [next] != 0 && b [next] != 0);
return 0;
}
void sleepForABit(){
nerf_sleep();
SWDTEN = 1; // Enable the watchdog timer
CLRWDT(); // Reset the watchdog timer
SLEEP(); // Go to sleep until the watchdog timer goes off, then resume execution
SWDTEN = 0; // Disable the watchdog timer
nerf_wake();
}
uint8_t senderAddress [5];
uint8_t receiverAddress [5];
uint8_t message [9] = "TESTING!";
void loopSendingTestMessage(){
TRISC = 0x00;
message [8] = 0x00;
nrf24l01p_init (8, &TRISB, &LATB, &PORTB, 0, 1, 2, 3, 4, 5);
while(1)
{
LATC = 0xff;
nrf24l01p_sendMessage(receiverAddress, message);
LATC = 0x00;
sleepForABit();
}
}
void loopReceivingTestMessage(){
TRISC = 0x00;
LATC = 0x00;
nrf24l01p_init (8, &TRISB, &LATB, &PORTB, 0, 1, 2, 3, 4, 5);
nrf24l01p_listenForMessage(receiverAddress);
while (1)
{
for (unsigned int x = 0; x < 9; x++) message [x] = 0x00;
if (nrf24l01p_isMessageWaiting()){
nrf24l01p_getMessage (message);
if (message [0] == 'T') LATC = 0xff;
}
}
}
void main(void)
{
/* Configure the oscillator for the device */
ConfigureOscillator();
/* Initialize I/O and Peripherals for application */
InitApp();
TRISA = 0x00; // If you use RA2 as an input without first setting it as an output, some charge lingers and the input reads high even if the pin is tied to ground. I have a theory as to why this happens but all I really know for sure is that setting it as output first seems to prevent the weird thing from happening.
for (int x = 0; x < 5; x++) senderAddress [x] = 0x02;
for (int x = 0; x < 5; x++) receiverAddress [x] = 0x01;
uint8_t receivedMessage [9];
//runTests();
//loopReceivingTestMessage();
loopSendingTestMessage();
nerf_init (&TRISA, &LATA, &PORTA, &TRISB, &LATB, &PORTB, receiverAddress);
while (true){
nerf_receiveAndRespondToCommand();
}
}