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Add sneezer mode and tx power change

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This commit is contained in:
dak664 2011-03-23 18:08:07 -04:00
parent 0af24040f1
commit a9cbbb4570
6 changed files with 254 additions and 63 deletions
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73
cpu/avr/radio/rf230bb/rf230bb.c
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@ -702,6 +702,27 @@ rf230_init(void)
PRINTF("rf230: Unsupported manufacturer ID %u\n",tmanu);
PRINTF("rf230: Version %u, ID %u\n",tvers,tmanu);
rf230_warm_reset();
/* Start the packet receive process */
process_start(&rf230_process, NULL);
/* Leave radio in on state (?)*/
on();
return 1;
}
/*---------------------------------------------------------------------------*/
/* Used to reinitialize radio parameters without losing pan and mac address, channel, power, etc. */
void rf230_warm_reset(void) {
#if RF230_CONF_SNEEZER && JACKDAW
/* Take jackdaw radio out of test mode */
#warning Manipulating PORTB pins for RF230 Sneezer mode!
PORTB &= ~(1<<7);
DDRB &= ~(1<<7);
#endif
hal_register_write(RG_IRQ_MASK, RF230_SUPPORTED_INTERRUPT_MASK);
/* Set up number of automatic retries 0-15 (0 implies PLL_ON sends instead of the extended TX_ARET mode */
@ -738,19 +759,10 @@ rf230_init(void)
hal_subregister_write(SR_TX_AUTO_CRC_ON, 1);
#endif
/* Start the packet receive process */
process_start(&rf230_process, NULL);
/* Limit tx power for testing miniature Raven mesh */
#ifdef RF230_MAX_TX_POWER
set_txpower(RF230_MAX_TX_POWER); //0=3dbm 15=-17.2dbm
#endif
/* Leave radio in on state (?)*/
on();
return 1;
}
/*---------------------------------------------------------------------------*/
static uint8_t buffer[RF230_MAX_TX_FRAME_LENGTH+AUX_LEN];
@ -1509,3 +1521,46 @@ pending_packet(void)
return pending;
}
/*---------------------------------------------------------------------------*/
#if RF230_CONF_SNEEZER && JACKDAW
/* See A.2 in the datasheet for the sequence needed.
* This version for RF230 only, hence Jackdaw.
* A full reset seems not necessary and allows keeping the pan address, etc.
* for an easy reset back to network mode.
*/
void rf230_start_sneeze(void) {
//write buffer with random data for uniform spectral noise
//uint8_t txpower = hal_register_read(0x05); //save auto_crc bit and power
// hal_set_rst_low();
// hal_set_slptr_low();
// delay_us(TIME_RESET);
// hal_set_rst_high();
hal_register_write(0x0E, 0x01);
hal_register_write(0x02, 0x03);
hal_register_write(0x03, 0x10);
// hal_register_write(0x08, 0x20+26); //channel 26
hal_subregister_write(SR_CCA_MODE,1); //leave channel unchanged
// hal_register_write(0x05, 0x00); //output power maximum
hal_subregister_write(SR_TX_AUTO_CRC_ON, 0); //clear AUTO_CRC, leave output power unchanged
hal_register_read(0x01); //should be trx-off state=0x08
hal_frame_write(buffer, 127); //maximum length, random for spectral noise
hal_register_write(0x36,0x0F); //configure continuous TX
hal_register_write(0x3D,0x00); //Modulated frame, other options are:
// hal_register_write(RG_TX_2,0x10); //CW -2MHz
// hal_register_write(RG_TX_2,0x80); //CW -500KHz
// hal_register_write(RG_TX_2,0xC0); //CW +500KHz
DDRB |= 1<<7; //Raven USB stick has PB7 connected to the RF230 TST pin.
PORTB |= 1<<7; //Raise it to enable continuous TX Test Mode.
hal_register_write(0x02,0x09); //Set TRX_STATE to PLL_ON
delay_us(TIME_TRX_OFF_TO_PLL_ACTIVE);
delay_us(TIME_PLL_LOCK);
delay_us(TIME_PLL_LOCK);
// while (hal_register_read(0x0f)!=1) {continue;} //wait for pll lock-hangs
hal_register_write(0x02,0x02); //Set TRX_STATE to TX_START
}
#endif

2
cpu/avr/radio/rf230bb/rf230bb.h
View file

@ -202,6 +202,8 @@ typedef void (*radio_rx_callback) (uint16_t data);
const struct radio_driver rf230_driver;
int rf230_init(void);
void rf230_warm_reset(void);
void rf230_start_sneeze(void);
//int rf230_on(void);
//int rf230_off(void);
void rf230_set_channel(uint8_t channel);