/Designs/duckweed_collector/SW/library/RF01/RF01.cpp
41,15 → 41,7
//----------------- // RF01 niRQ, arduino 02 cannot be changed
//------------------// RF01 nFFS: 1-10k Pullup too Vcc
 
#define LED_PORT PORTD
#define LED_DDR DDRD
#define LED_PIN PIND
 
#define LED0 5
#define LED1 6 //not used
 
// nFFS: 1-10k Pullup an Vcc !!!
 
#ifndef cbi
#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
#endif
57,20 → 49,6
#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
#endif
 
#ifndef cLED0
#define cLED0() (LED_PORT &= ~(1<<LED0))
#endif
#ifndef sLED0
#define sLED0() (LED_PORT |= (1<<LED0) )
#endif
 
#ifndef cLED1
#define cLED1() (LED_PORT &= ~(1<<LED1))
#endif
#ifndef sLED1
#define sLED1() (LED_PORT |= (1<<LED1) )
#endif
 
// maximum receive buffer
#define RF_MAX 32
unsigned char rf01_buf[RF_MAX]; // recv buf
78,20 → 56,39
#include <util/delay.h>
 
void rf01_receive(){
rf01_rxdata(rf01_data, 32);
rf01_rxdata(rf01_data, 23); //!!!32
}
 
void rf01_prepAll(){
rf01_init(); // ein paar Register setzen (z.B. CLK auf 10MHz)
rf01_setfreq(RF01FREQ(434)); // Sende/Empfangsfrequenz auf 433,92MHz einstellen
rf01_setbandwidth(4); // 4 200kHz Bandbreite
rf01_setreceiver(2,4); //2,4 -6dB Verstärkung, DRSSI threshold: -79dBm
rf01_setbaud(57600); // 19200 Baud
static unsigned char sdrssi, sgain;
 
void rf01_prepAll()
{
RF_PORT=(1<<CS);
RF_DDR=(1<<SDI)|(1<<SCK)|(1<<CS);
 
for (unsigned char i=0; i<11; i++) _delay_ms(10); // wait until POR done
 
// rf01_trans(0xC2E0); // AVR CLK: 10MHz
// rf01_trans(0xC42B); // Data Filter: internal
// rf01_trans(0xC6F7); // AFC settings: autotuning: -10kHz...+7,5kHz
// rf01_trans(0xE000); // disable wakeuptimer
// rf01_trans(0xCC00); // disable low duty cycle
// rf01_trans(0x8978); // band 433MHz, enable crystal + 12pF, 200kHz bandwidth
 
rf01_trans(0x0000);
// rf01_trans(0x898A); // band 433MHz, 134kHz bandwidth
rf01_trans(0x8000|0x1000|0x70|0x02); //band
rf01_trans(0xA640); //434MHz
rf01_trans(0xC823); //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 9600 Bd
rf01_trans(0xC69B);
rf01_trans(0xC42A);
rf01_trans(0xC240); //*
rf01_trans(0xC080); //*
rf01_trans(0xCE88); // FIFO mode
rf01_trans(0xCE8B); //*
rf01_trans(0xC081); //*
}
 
static unsigned char sdrssi, sgain;
 
void rf01_trans(unsigned short wert)
{ unsigned char i;
 
109,72 → 106,35
sbi(RF_PORT, CS);
}
 
void rf01_init(void)
{ unsigned char i;
 
RF_PORT=(1<<CS);
RF_DDR=(1<<SDI)|(1<<SCK)|(1<<CS);
 
for (i=0; i<11; i++)
_delay_ms(10); // wait until POR done
 
rf01_trans(0xC2E0); // AVR CLK: 10MHz
rf01_trans(0xC42B); // Data Filter: internal
rf01_trans(0xCE88); // FIFO mode
rf01_trans(0xC6F7); // AFC settings: autotuning: -10kHz...+7,5kHz
rf01_trans(0xE000); // disable wakeuptimer
rf01_trans(0xCC00); // disable low duty cycle
 
LED_DDR= 0xFF;//(1<<LED0)|(1<<LED1);
blinkLED();
 
}
 
void rf01_setbandwidth(unsigned char bandwidth)
{
rf01_trans(0x8970|((bandwidth&7)<<1));
}
 
void rf01_setreceiver(unsigned char gain, unsigned char drssi)
{
sdrssi=drssi;
sgain=gain;
}
 
void rf01_setfreq(unsigned short freq)
{ if (freq<96) // 430,2400MHz
freq=96;
else if (freq>3903) // 439,7575MHz
freq=3903;
rf01_trans(0xA000|freq);
}
 
void rf01_setbaud(unsigned short baud)
{
if (baud<336)
return;
if (baud<5400) // Baudrate= 344827,58621/(R+1)/(1+CS*7)
rf01_trans(0xC880|((43104/baud)-1));
else
rf01_trans(0xC800|((344828UL/baud)-1));
 
rf01_trans(0xC806);
}
 
void rf01_rxdata(unsigned char *data, unsigned char number)
{ unsigned char i,j,c;
 
rf01_trans(0xC0C1|((sgain&3)<<4)|((sdrssi&7)<<1)); // RX on
//!!!
// sgain=2; //2,4 -6dB LNA gain, DRSSI threshold: -79dBm
// sdrssi=4;
//!!! rf01_trans(0xC0C1|((sgain&3)<<4)|((sdrssi&7)<<1)); // RX on
rf01_trans(0xCE89); // set FIFO mode
rf01_trans(0xCE8B); // enable FIFO
cbi(RF_PORT, SDI);
asm("nop");
asm("nop");
asm("nop");
for (i=0; i<number; i++)
{ cbi(RF_PORT, CS);
asm("nop");
asm("nop");
asm("nop");
while (!(RF_PIN&(1<<SDO))); // wait until data in FIFO
for (j=0; j<16; j++) // read and discard status register
{ sbi(RF_PORT, SCK);
{
sbi(RF_PORT, SCK);
asm("nop");
asm("nop");
asm("nop");
cbi(RF_PORT, SCK);
asm("nop");
asm("nop");
asm("nop");
}
c=0;
for (j=0; j<8; j++)
182,39 → 142,20
if (RF_PIN&(1<<SDO))
c|=1;
sbi(RF_PORT, SCK);
_delay_us(0.2);
asm("nop");
asm("nop");
asm("nop");
//!!! _delay_us(0.2);
cbi(RF_PORT, SCK);
asm("nop");
asm("nop");
asm("nop");
}
*data++=c;
sbi(RF_PORT, CS);
asm("nop");
asm("nop");
asm("nop");
}
//blinkLED();
rf01_trans(0xC0C0|((sgain&3)<<4)|((sdrssi&7)<<1)); // RX off
//!!! rf01_trans(0xC0C0|((sgain&3)<<4)|((sdrssi&7)<<1)); // RX off
}
 
void blinkLED(void){
for (unsigned char i=0; i<15; i++)
_delay_ms(5);
sLED1();
 
for (unsigned char i=0; i<15; i++)
_delay_ms(5);
cLED1();
 
}
 
void makePulse(int numberOfPulses){
if ( numberOfPulses > 0)
{
for (unsigned char i=0; i<numberOfPulses; i++)
{
_delay_ms(20);
sLED0();
_delay_ms(20);
cLED0();
}
_delay_ms(50);
}
 
}