/Designs/HOPEwireless/SW_TX_RFM02/atmel/RFM02.h
0,0 → 1,82
/* mija 2008
defines for module RFM02 - TX 868MHz
*/
 
#define CMD_SETTING 0x8000 // b1, b0, d2..d0, x3..x0, ms, m2..m0
#define CMD_POWER 0xC000 // a1, a0, ex, es, ea, eb, et, dc
#define CMD_POWER_OUT 0xB000 // p2..p0 -3*Pmax dBm
#define CMD_FREQUENCY 0xA000 // f11..f0 860+F*0.005 MHz 36..3903
#define CMD_RATE 0xC800 // r7..r0 BR=10M/29/(R+1)
#define CMD_WAKE_UP 0xE000 // r4..r0, m7..m0 T=M*2^R [ms]
#define CMD_SLEEP 0xC400 // s7..s0 S stop CLK
#define CMD_BATTERY 0xC200 // dwc, ebs , t4..t0
#define CMD_STATUS 0xCC00 // for read status
 
// CMD_SETTING
#define BAND_315 0x0000
#define BAND_433 0x800
#define BAND_868 0x1000
#define BADN_915 0x1800
 
#define C_8_5pF 0x00
#define C_9pF 0x10
#define C_9_5pF 0x20
#define C_10pF 0x30
#define C_10_5pF 0x40
#define C_11pF 0x50
#define C_11_5pF 0x60
#define C_12pF 0x70
#define C_12_5pF 0x80
#define C_13pF 0x90
#define C_13_5pF 0xA0
#define C_14pF 0xB0
#define C_14_5pF 0xC0
#define C_15pF 0xD0
#define C_15_5pF 0xE0
#define C_16pF 0xF0
#define SETTING_MS 0x08 // modulation polarity
#define TX_DEV_30 0x00 // select frequency deviation
#define TX_DEV_60 0x01
#define TX_DEV_90 0x02
#define TX_DEV_120 0x03
#define TX_DEV_150 0x04
#define TX_DEV_180 0x05
#define TX_DEV_210 0x06
 
// CMD_POWER
#define POWER_A1 0x80 // enable crystal and syntheesizer by sleep
#define POWER_A0 0x40 // enable PA by sleep
#define POWER_EX 0x20 // enable transmitter
#define POWER_ES 0x10 // enable synthesizer
#define POWER_EA 0x08 // enable PA (power amplifier)
#define POWER_EB 0x04 // enable low battery detector
#define POWER_ET 0x02 // enable wake up timer
#define POWER_DC 0x01 // disable clock output of CLK pin
 
// CMD_POWER_OUT
#define POWER_OUT_0 0xB000 // -0dBm
#define POWER_OUT_3 0xB100 // -3dBm
#define POWER_OUT_6 0xB200 // -6dBm
#define POWER_OUT_9 0xB300 // -9dBm
#define POWER_OUT_12 0xB400 // -12dBm
#define POWER_OUT_15 0xB500 // -15dBm
#define POWER_OUT_18 0xB600 // -18dBm
#define POWER_OUT_21 0xB700 // -21dBm
 
// CMD_FREQUENCY
#define FREQUENCY_867 0x578
#define FREQUENCY_868 0x640
#define FREQUENCY_869 0x708
 
// CMD_RATE
#define RATE_2400 0x8F
#define RATE_4800 0x47
#define RATE_9600 0x23
#define RATE_19200 0x11
#define RATE_38400 0x8
#define RATE_57600 0x5
#define RATE_115200 0x2
// CMD_BATTERY
#define WAKE_UP_DWC 0x80 // disable wake-up timer periodical calibration
#define TX_EBS 0x20 // enable TX bit synchronization function
/Designs/HOPEwireless/SW_TX_RFM02/atmel/TX_RFM02.c
0,0 → 1,197
/* mija 2008
demo for RFM02 - TX 868MHz
 
CPU ATMEGA16
fcpu = 1MHz
 
!! define PIN,PORT,DDR for IOpin !!
 
tested with module RFM12B RX 9600 BW 134kHz
*/
 
#include <avr/io.h>
#include <util/delay.h>
#include "RFM02.h"
 
//************************************************************************
 
#define SDI PB3
#define SDI_PORT PORTB
#define SDI_DDR DDRB
 
#define FSK PC1
#define FSK_PORT PORTC
#define FSK_DDR DDRC
 
#define SDO PB4 // input for mega
#define SDO_PORT PORTB
#define SDO_DDR DDRB
#define SDO_PIN PINB
 
#define SCK PB5
#define SCK_PORT PORTB
#define SCK_DDR DDRB
 
#define nIRQ PD2 // input for mega
#define nIRQ_PORT PORTD
#define nIRQ_DDR DDRD
#define nIRQ_PIN PIND
 
#define nSEL PB2
#define nSEL_PORT PORTB
#define nSEL_DDR DDRB
 
#define LED PC3
#define LED_PORT PORTC
#define LED_DDR DDRC
 
// interni
#define SDI_H SDI_PORT |= _BV(SDI)
#define SDI_L SDI_PORT &= (~(_BV(SDI)))
#define SDI_INIT SDI_DDR |= _BV(SDI)
 
#define FSK_H FSK_PORT |= _BV(FSK)
#define FSK_L FSK_PORT &= (~(_BV(FSK)))
#define FSK_INIT FSK_DDR |= _BV(FSK)
 
#define SDO_INPUT (SDO_PIN & _BV(SDO))
#define SDO_INIT SDO_DDR &= (~(_BV(SDO)))
 
#define SCK_H SCK_PORT |= _BV(SCK)
#define SCK_L SCK_PORT &= (~(_BV(SCK)))
#define SCK_INIT SCK_DDR |= _BV(SCK)
 
#define nIRQ_INPUT (nIRQ_PIN & _BV(nIRQ))
#define nIRQ_INIT nIRQ_DDR &= (~(_BV(nIRQ)))
 
#define nSEL_H nSEL_PORT |= _BV(nSEL)
#define nSEL_L nSEL_PORT &= (~(_BV(nSEL)))
#define nSEL_INIT nSEL_DDR |= _BV(nSEL)
 
#define LED_H LED_PORT |= _BV(LED)
#define LED_L LED_PORT &= (~(_BV(LED)))
#define LED_INIT LED_DDR |= _BV(LED)
 
#define START_TX RF_WRITE_CMD(CMD_POWER|POWER_EX|POWER_ES|POWER_EA|POWER_DC)
#define STOP_TX RF_WRITE_CMD(CMD_POWER|POWER_DC)
 
//************************************************************************
 
//uint8_t test[16]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3a,0x03b,0x3c,0x3d,0x3e,0x3f};
uint8_t test[17]="\n\rATmega16\n\r ---";
//uint8_t test[16]="0123456789abcdef";
 
 
//************************************************************************
 
void delay_ms(uint16_t time)
{
while(time--) _delay_ms(1);
}
 
void IO_INIT(void)
{
SDI_INIT;
SDO_INIT;
SCK_INIT;
nIRQ_INIT;
nSEL_INIT;
FSK_INIT;
LED_INIT;
}
 
void RF_INIT(void)
{
nSEL_H;
SDI_H;
SCK_L;
nIRQ_INPUT;
SDO_INPUT;
FSK_H;
}
 
void RF_WRITE_CMD(uint16_t cmd)
{
uint8_t i;
 
SCK_L;
nSEL_L;
for (i=0;i<16;i++)
{
SCK_L;
SCK_L;
if (cmd & 0x8000) SDI_H;
else SDI_L;
SCK_H;
SCK_H;
cmd <<= 1;
}
SCK_L;
nSEL_H;
}
 
void RF_WRITE_DATA(uint8_t data)
{
uint8_t i;
for (i=0;i<8;i++)
{
while (nIRQ_INPUT);
while (!nIRQ_INPUT);
if (data & 0x80)FSK_H;
else FSK_L;
data <<= 1;
}
}
 
int main()
{
uint8_t i,j,ChkSum;
 
IO_INIT();
RF_INIT();
LED_H;
delay_ms(100);
 
RF_WRITE_CMD(CMD_STATUS);
RF_WRITE_CMD(CMD_SETTING |BAND_868 |C_12pF |TX_DEV_90);
RF_WRITE_CMD(CMD_FREQUENCY |FREQUENCY_868);
RF_WRITE_CMD(0xD040);
RF_WRITE_CMD(CMD_RATE |RATE_19200);
RF_WRITE_CMD(CMD_BATTERY |TX_EBS);
RF_WRITE_CMD(CMD_POWER |POWER_DC);
RF_WRITE_CMD(POWER_OUT_0);
 
j= 0;
while (1)
{
LED_H;
 
START_TX;
ChkSum = 0;
for (i=0;i<3;i++) RF_WRITE_DATA(0xAA);
RF_WRITE_DATA(0x2D);
RF_WRITE_DATA(0xD4);
for (i=0;i<16;i++)
{
RF_WRITE_DATA(test[i]);
ChkSum += test[i];
}
RF_WRITE_DATA(ChkSum);
RF_WRITE_DATA(0xAA);
RF_WRITE_DATA(0xAA);
STOP_TX;
 
LED_L;
delay_ms(500);
j++;
test[13]=(j/100)+0x30;
test[14]=((j%100)/10)+0x30;
test[15]=((j%100)%10)+0x30;
}
return 0;
}
 
 
 
/Designs/HOPEwireless/SW_TX_RFM02/atmel/TX_RFM02.hex
0,0 → 1,39
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