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#include <mega16a.h>
#include <delay.h>
#include <nrf.h>
#include <alcd.h>
void main(void)
{
PORTC=0x1f;
DDRC=0x00;
nrf_config(0);
lcd_init(16);
lcd_gotoxy(0,0);
lcd_putsf("robo g4... ");
delay_ms(500);
while (1)
{
if(PINC.0==0){
payload[0]=1;
payload[1]='a';
sent();}
else if(PINC.1==0){
payload[0]=1;
payload[1]='b';
sent();}
else if(PINC.2==0){
payload[0]=1;
payload[1]='c';
sent();}
else if(PINC.3==0){
payload[0]=1;
payload[1]='d';
sent();}
else if(PINC.4==0){
payload[0]=1;
payload[1]='e';
sent();}
if(nrf_state!=0)
{
if(nrf_state==2)
{
lcd_clear();
lcd_putsf("OK2");
}
sent_actived=1;
nrf_state=0;
}
}
}]
[#include <mega16a.h>
#include <delay.h>
#include <nrf.h>
#include <alcd.h>
unsigned char d;
void main(void)
{
lcd_init(16);
lcd_putsf("robo g...");
delay_ms(1000);
lcd_clear();
nrf_config(1);
while (1)
{
if(nrf_state==1)
{
d=payload[1];
nrf_state=0;
}
lcd_gotoxy(0,0);
lcd_putchar(d);
}
}]
#ifndef __nRF24L01+_H
#define __nRF24L01+_H
#include <mega32.h>
#include <nRF24L01+.h>
#include <stdio.h>
#include <delay.h>
// SPI functions
#include <spi.h>
#define CE PORTB.3
#define CSN PORTB.4
/* Instruction Mnemonics */
#define R_REGISTER 0x00
#define W_REGISTER 0x20
#define REGISTER_MASK 0x1F
#define ACTIVATE 0x50
#define R_RX_PL_WID 0x60
#define R_RX_PAYLOAD 0x61
#define W_TX_PAYLOAD 0xA0
#define W_ACK_PAYLOAD 0xA8
#define FLUSH_TX 0xE1
#define FLUSH_RX 0xE2
#define REUSE_TX_PL 0xE3
#define NOP 0xFF
/* Memory Map */
#define CONFIG 0x00
#define EN_AA 0x01
#define EN_RXADDR 0x02
#define SETUP_AW 0x03
#define SETUP_RETR 0x04
#define RF_CH 0x05
#define RF_SETUP 0x06
#define STATUS 0x07
#define OBSERVE_TX 0x08
#define CD 0x09
#define RX_ADDR_P0 0x0A
#define RX_ADDR_P1 0x0B
#define RX_ADDR_P2 0x0C
#define RX_ADDR_P3 0x0D
#define RX_ADDR_P4 0x0E
#define RX_ADDR_P5 0x0F
#define TX_ADDR 0x10
#define RX_PW_P0 0x11
#define RX_PW_P1 0x12
#define RX_PW_P2 0x13
#define RX_PW_P3 0x14
#define RX_PW_P4 0x15
#define RX_PW_P5 0x16
#define FIFO_STATUS 0x17
#define DYNPD 0x1C
#define FEATURE 0x1D
#pragma used+
/* library function prototypes */
flash unsigned char Base_Addrs[5]={0x00,0x01,0x03,0x07,0x00};
unsigned char Temp_Addrs[5]={0x00,0x01,0x03,0x07,0x00};
unsigned char payload[33];
unsigned char Command_Reg = 0,Status_Reg = 0,State = 0;
char Opr_Mode;
bit send_actived = 0;
void Set_Reg(unsigned char ins)
{
int i;
CSN = 0;
Status_Reg=spi(ins);
switch(ins & 0xE0)
{
case 0x00:
{
if((ins & 0x1F)==0x0A || (ins & 0x1F)==0x0B || (ins & 0x1F)==0x10)
{
for(i=4;i>=0;i--)
{
Temp_Addrs[i]=spi(NOP);
}
}
else
{
Command_Reg=spi(NOP);
}
break;
}
case W_REGISTER:
{
if((ins & 0x1F)==0x0A || (ins & 0x1F)==0x0B || (ins & 0x1F)==0x10)
{
for(i=4;i>=0;i--)
{
spi(Base_Addrs[i]);
}
}
else
{
spi(Command_Reg);
}
break;
}
case R_RX_PL_WID:
{
if((ins & 0x01)==1)
{
i=payload[0];
while(i!=0)
{
payload[i]=spi(NOP);
i--;
}
}
else
{
Command_Reg=spi(NOP);
}
break;
}
case W_TX_PAYLOAD:
{
i=payload[0];
while(i!=0)
{
spi(payload[i]);
i--;
}
break;
}
}
CSN=1;
delay_us(10);
}
// External Interrupt 2 service routine
interrupt [EXT_INT2] void ext_int2_isr(void)
{
// Place your code here
if(Opr_Mode==0)
{
Set_Reg(NOP);
if(Status_Reg & W_REGISTER)
{
State = 2;
Set_Reg(FIFO_STATUS);
if((Command_Reg & 0x01)==0)
{
Set_Reg(R_RX_PL_WID);
if(Command_Reg<=32)
{
payload[0]=Command_Reg;
Set_Reg(R_RX_PAYLOAD);
State = 3;
}
else
Set_Reg(FLUSH_RX);
}
}
else
{
State = 4;
}
}
else
{
Set_Reg(R_RX_PL_WID);
if(Command_Reg>32)
{
Set_Reg(FLUSH_RX);
}
else
{
payload[0]=Command_Reg;
Set_Reg(R_RX_PAYLOAD);
State = 1;
}
}
Command_Reg = 0x7E;
Set_Reg(0x27);
Set_Reg(FLUSH_TX);
}
void Send_Data(char num , char *data)
{
int counter = 0;
payload[0] = num;
for(counter=0;counter<num;counter++)
payload[counter+1] = *(data+counter);
if(send_actived)
{
send_actived = 0;
if((Temp_Addrs[4]==Base_Addrs[4]) && (Temp_Addrs[3]==Base_Addrs[3]) && (Temp_Addrs[2]==Base_Addrs[2]) && (Temp_Addrs[1]==Base_Addrs[1]) && (Temp_Addrs[0]==Base_Addrs[0]))
{
Set_Reg(FLUSH_TX);
Set_Reg(W_TX_PAYLOAD);
delay_ms(10);
CE = 1;
delay_us(20);
CE = 0;
delay_ms(10);
}
else
State = 5;
}
if(State!=0)
{
send_actived=1; //faal sazi ersal mojadad
State=0;
}
}
void nRF_Config(char mode)
{
// Port B initialization
// Func7=Out Func6=In Func5=Out Func4=Out Func3=In Func2=In Func1=In Func0=In
// State7=0 State6=T State5=0 State4=0 State3=T State2=T State1=T State0=T
PORTB=0x00;
DDRB=0xB0;
CSN = 1;
CE = 0;
// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// INT2: On
// INT2 Mode: Falling Edge
GICR|=0x20;
MCUCR=0x00;
MCUCSR=0x00;
GIFR=0x20;
// SPI initialization
// SPI Type: Master
// SPI Clock Rate: 2000.000 kHz
// SPI Clock Phase: Cycle Start
// SPI Clock Polarity: Low
// SPI Data Order: MSB First
SPCR=0x50;
SPSR=0x00;
#asm("sei")
delay_ms(110);
Opr_Mode = mode;
Command_Reg = 0x01;
Set_Reg(0x21);
Command_Reg = 0x01;
Set_Reg(0x22);
Command_Reg = 0x03;
Set_Reg(0x23);
Command_Reg = 0x2f;
Set_Reg(0x24);
Command_Reg = 0x01;
Set_Reg(0x25);
Command_Reg = 0x06;
Set_Reg(0x26);
Set_Reg(0x2A);
Set_Reg(0x30);
Command_Reg = 0x01;
Set_Reg(0x3C);
Command_Reg = 0x07;
Set_Reg(0x3D);
if(mode==0)
{
Command_Reg = 0x4E;
Set_Reg(W_REGISTER);
delay_ms(100);
send_actived = 1;
}
else
{
Command_Reg = 0x3F;
Set_Reg(W_REGISTER);
delay_ms(5);
CE = 1;
}
}
#pragma used-
//#pragma library nRF24L01+.lib
#endif
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