| 7,18 → 7,13 |
|---|
| * |
| * code based on the code of "benedikt k." and "contrechoc" |
| * |
| * arduino 22 |
| * tested on arduino 22 |
| * |
| *********************************************/ |
| |
| |
| #include <avr/io.h> |
| #include <avr/interrupt.h> |
| #include <stdlib.h> |
| #include <avr/pgmspace.h> |
| #include <avr/eeprom.h> |
| |
| #include <string.h> |
| |
| #include "rf02.h" |
| #include <util/delay.h> |
| 42,35 → 37,20 |
|---|
| #define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit)) |
| #endif |
| |
| unsigned char _tx_buffer[32]; |
| |
| unsigned char test[32]=" 55555 \n"; |
| |
| void rf02_changeText( unsigned char* ptr, uint8_t number) |
| { |
| |
| if (number> 32)number = 32; |
| memcpy( test, ptr, number); |
| |
| } |
| |
| void rf02_prepAll() |
| { |
| RF_PORT=(1<<CS); |
| RF_DDR=(1<<SDI)|(1<<SCK)|(1<<CS); |
| |
| sbi(RF_PORT, FSK); |
| |
| |
| for (unsigned char i=0; i<15; i++) _delay_ms(10); // wait until POR done |
| |
| rf02_trans(0xCC00); // cargo cult settings |
| |
| rf02_trans(0xCC00); //*// |
| rf02_trans(0x8000|0x1000|0x70|0x02); |
| rf02_trans(0xA000|0x640); |
| |
| // rf02_trans(0x8B61); //*// |
| rf02_trans(0x8000|0x1000|0x70|0x02); //*// |
| rf02_trans(0xA000|0x640); //*// |
| // rf02_trans(0xA640); ///= 434 MHz |
| |
| // rf02_trans(0xD2C0); // 33% PLL current |
| // rf02_trans(0xC823); // 9600 Bd |
| rf02_trans(0xD040); // RATE/2 |
| 79,21 → 59,8 |
|---|
| rf02_trans(0xC0E0); // power settings |
| |
| rf02_trans(0xC220); //0xC2A0 |
| // rf02_trans(0xB100); |
| // rf02_trans(0x8F83); |
| //!!! |
| // rf02_trans(0xC001); |
| |
| |
| } |
| |
| void rf02_sendData() |
| { |
| |
| //!!! rf02_txdata( test, sizeof test); |
| rf02_txdata( test, 23); |
| } |
| |
| void rf02_trans(unsigned short value) |
| { |
| uint8_t i; |
| 121,10 → 88,6 |
|---|
| value=0xC6; //1100 0110 |
| cbi(RF_PORT, CS); //nSel |
| |
| //!!!! |
| // rf02_trans(0xC039); // TX start |
| |
| |
| for (i=0; i<8; i++) |
| { if (value&0x80) //1000 0000 = 80 |
| sbi(RF_PORT, SDI); |
| 132,27 → 95,26 |
|---|
| cbi(RF_PORT, SDI); |
| |
| sbi(RF_PORT, SCK); |
| sbi(RF_PORT, SCK); |
| sbi(RF_PORT, SCK); |
| value<<=1; |
| _delay_us(0.2); |
| cbi(RF_PORT, SCK); |
| } |
| |
| 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 |
| |
| // no checkbit, in experimenting some letters were transmitted wrong! |
| |
| for (i=0; i<number; i++) |
| for (i=0; i<number; i++) // payload |
| rf02_shiftout(*data++); |
| |
| rf02_shiftout(0xAA); // dummy byte |
| |
| 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); |
| } |
| |
| void rf02_shiftout(unsigned char value) |