5,20 → 5,15 |
* $HeadURL$ |
* $Id$ |
* |
* code based on the code of "benedikt k." and "contrechoc" |
* code based on the code of "benedikt k." and "contrechoc" |
* |
* arduino 22 |
* tested on arduino 22 |
* |
*********************************************/ |
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#include <avr/io.h> |
#include <avr/interrupt.h> |
#include <stdlib.h> |
#include <avr/pgmspace.h> |
#include <avr/eeprom.h> |
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#include <string.h> |
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#include "rf02.h" |
#include <util/delay.h> |
42,34 → 37,19 |
#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit)) |
#endif |
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unsigned char _tx_buffer[32]; |
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unsigned char test[32]=" 55555 \n"; |
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void rf02_changeText( unsigned char* ptr, uint8_t number) |
{ |
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if (number> 32)number = 32; |
memcpy( test, ptr, number); |
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} |
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void rf02_prepAll() |
{ |
RF_PORT=(1<<CS); |
RF_DDR=(1<<SDI)|(1<<SCK)|(1<<CS); |
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sbi(RF_PORT, FSK); |
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for (unsigned char i=0; i<15; i++) _delay_ms(10); // wait until POR done |
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rf02_trans(0xCC00); //*// |
rf02_trans(0xCC00); // cargo cult settings |
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// rf02_trans(0x8B61); //*// |
rf02_trans(0x8000|0x1000|0x70|0x02); //*// |
rf02_trans(0xA000|0x640); //*// |
// rf02_trans(0xA640); ///= 434 MHz |
rf02_trans(0x8000|0x1000|0x70|0x02); |
rf02_trans(0xA000|0x640); |
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// rf02_trans(0xD2C0); // 33% PLL current |
// rf02_trans(0xC823); // 9600 Bd |
79,21 → 59,8 |
rf02_trans(0xC0E0); // power settings |
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rf02_trans(0xC220); //0xC2A0 |
// rf02_trans(0xB100); |
// rf02_trans(0x8F83); |
//!!! |
// rf02_trans(0xC001); |
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} |
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void rf02_sendData() |
{ |
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//!!! rf02_txdata( test, sizeof test); |
rf02_txdata( test, 23); |
} |
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void rf02_trans(unsigned short value) |
{ |
uint8_t i; |
121,10 → 88,6 |
value=0xC6; //1100 0110 |
cbi(RF_PORT, CS); //nSel |
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//!!!! |
// rf02_trans(0xC039); // TX start |
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for (i=0; i<8; i++) |
{ if (value&0x80) //1000 0000 = 80 |
sbi(RF_PORT, SDI); |
132,27 → 95,26 |
cbi(RF_PORT, SDI); |
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sbi(RF_PORT, SCK); |
sbi(RF_PORT, SCK); |
sbi(RF_PORT, SCK); |
value<<=1; |
_delay_us(0.2); |
cbi(RF_PORT, SCK); |
} |
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rf02_shiftout(0xAA);//10101010 |
rf02_shiftout(0xAA);//10101010 // RX AGC initiation |
rf02_shiftout(0xAA); |
rf02_shiftout(0xAA); |
rf02_shiftout(0x2D);//00101101 |
rf02_shiftout(0x2D);//00101101 // preamble |
rf02_shiftout(0xD4);//11010100 |
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// no checkbit, in experimenting some letters were transmitted wrong! |
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for (i=0; i<number; i++) |
for (i=0; i<number; i++) // payload |
rf02_shiftout(*data++); |
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rf02_shiftout(0xAA); // dummy byte |
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sbi(RF_PORT, CS); |
while(RF_PIN&(1<<IRQ)); // wait until transfer done |
rf02_trans(0xC464); // TX off after 10us |
//rf02_trans(0xC001); // TX close |
_delay_ms(10); |
} |
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void rf02_shiftout(unsigned char value) |