diff options
| -rw-r--r-- | rf_test/radio.c | 289 |
1 files changed, 19 insertions, 270 deletions
diff --git a/rf_test/radio.c b/rf_test/radio.c index 4e6118a..4f7fc25 100644 --- a/rf_test/radio.c +++ b/rf_test/radio.c @@ -13,261 +13,8 @@ #define SPI_DDR DDRB #define SPI_PORT PORTB -// Register names -#define RH_RF69_REG_00_FIFO 0x00 -#define RH_RF69_REG_01_OPMODE 0x01 -#define RH_RF69_REG_02_DATAMODUL 0x02 -#define RH_RF69_REG_03_BITRATEMSB 0x03 -#define RH_RF69_REG_04_BITRATELSB 0x04 -#define RH_RF69_REG_05_FDEVMSB 0x05 -#define RH_RF69_REG_06_FDEVLSB 0x06 -#define RH_RF69_REG_07_FRFMSB 0x07 -#define RH_RF69_REG_08_FRFMID 0x08 -#define RH_RF69_REG_09_FRFLSB 0x09 -#define RH_RF69_REG_0A_OSC1 0x0a -#define RH_RF69_REG_0B_AFCCTRL 0x0b -#define RH_RF69_REG_0C_RESERVED 0x0c -#define RH_RF69_REG_0D_LISTEN1 0x0d -#define RH_RF69_REG_0E_LISTEN2 0x0e -#define RH_RF69_REG_0F_LISTEN3 0x0f -#define RH_RF69_REG_10_VERSION 0x10 -#define RH_RF69_REG_11_PALEVEL 0x11 -#define RH_RF69_REG_12_PARAMP 0x12 -#define RH_RF69_REG_13_OCP 0x13 -#define RH_RF69_REG_14_RESERVED 0x14 -#define RH_RF69_REG_15_RESERVED 0x15 -#define RH_RF69_REG_16_RESERVED 0x16 -#define RH_RF69_REG_17_RESERVED 0x17 -#define RH_RF69_REG_18_LNA 0x18 -#define RH_RF69_REG_19_RXBW 0x19 -#define RH_RF69_REG_1A_AFCBW 0x1a -#define RH_RF69_REG_1B_OOKPEAK 0x1b -#define RH_RF69_REG_1C_OOKAVG 0x1c -#define RH_RF69_REG_1D_OOKFIX 0x1d -#define RH_RF69_REG_1E_AFCFEI 0x1e -#define RH_RF69_REG_1F_AFCMSB 0x1f -#define RH_RF69_REG_20_AFCLSB 0x20 -#define RH_RF69_REG_21_FEIMSB 0x21 -#define RH_RF69_REG_22_FEILSB 0x22 -#define RH_RF69_REG_23_RSSICONFIG 0x23 -#define RH_RF69_REG_24_RSSIVALUE 0x24 -#define RH_RF69_REG_25_DIOMAPPING1 0x25 -#define RH_RF69_REG_26_DIOMAPPING2 0x26 -#define RH_RF69_REG_27_IRQFLAGS1 0x27 -#define RH_RF69_REG_28_IRQFLAGS2 0x28 -#define RH_RF69_REG_29_RSSITHRESH 0x29 -#define RH_RF69_REG_2A_RXTIMEOUT1 0x2a -#define RH_RF69_REG_2B_RXTIMEOUT2 0x2b -#define RH_RF69_REG_2C_PREAMBLEMSB 0x2c -#define RH_RF69_REG_2D_PREAMBLELSB 0x2d -#define RH_RF69_REG_2E_SYNCCONFIG 0x2e -#define RH_RF69_REG_2F_SYNCVALUE1 0x2f -// another 7 sync word bytes follow, 30 through 36 inclusive -#define RH_RF69_REG_37_PACKETCONFIG1 0x37 -#define RH_RF69_REG_38_PAYLOADLENGTH 0x38 -#define RH_RF69_REG_39_NODEADRS 0x39 -#define RH_RF69_REG_3A_BROADCASTADRS 0x3a -#define RH_RF69_REG_3B_AUTOMODES 0x3b -#define RH_RF69_REG_3C_FIFOTHRESH 0x3c -#define RH_RF69_REG_3D_PACKETCONFIG2 0x3d -#define RH_RF69_REG_3E_AESKEY1 0x3e -// Another 15 AES key bytes follow -#define RH_RF69_REG_4E_TEMP1 0x4e -#define RH_RF69_REG_4F_TEMP2 0x4f -#define RH_RF69_REG_58_TESTLNA 0x58 -#define RH_RF69_REG_5A_TESTPA1 0x5a -#define RH_RF69_REG_5C_TESTPA2 0x5c -#define RH_RF69_REG_6F_TESTDAGC 0x6f -#define RH_RF69_REG_71_TESTAFC 0x71 - -// RH_RF69_REG_01_OPMODE -#define RH_RF69_OPMODE_SEQUENCEROFF 0x80 -#define RH_RF69_OPMODE_LISTENON 0x40 -#define RH_RF69_OPMODE_LISTENABORT 0x20 -#define RH_RF69_OPMODE_MODE 0x1c -#define RH_RF69_OPMODE_MODE_SLEEP 0x00 -#define RH_RF69_OPMODE_MODE_STDBY 0x04 -#define RH_RF69_OPMODE_MODE_FS 0x08 -#define RH_RF69_OPMODE_MODE_TX 0x0c -#define RH_RF69_OPMODE_MODE_RX 0x10 - -// RH_RF69_REG_02_DATAMODUL -#define RH_RF69_DATAMODUL_DATAMODE 0x60 -#define RH_RF69_DATAMODUL_DATAMODE_PACKET 0x00 -#define RH_RF69_DATAMODUL_DATAMODE_CONT_WITH_SYNC 0x40 -#define RH_RF69_DATAMODUL_DATAMODE_CONT_WITHOUT_SYNC 0x60 -#define RH_RF69_DATAMODUL_MODULATIONTYPE 0x18 -#define RH_RF69_DATAMODUL_MODULATIONTYPE_FSK 0x00 -#define RH_RF69_DATAMODUL_MODULATIONTYPE_OOK 0x08 -#define RH_RF69_DATAMODUL_MODULATIONSHAPING 0x03 -#define RH_RF69_DATAMODUL_MODULATIONSHAPING_FSK_NONE 0x00 -#define RH_RF69_DATAMODUL_MODULATIONSHAPING_FSK_BT1_0 0x01 -#define RH_RF69_DATAMODUL_MODULATIONSHAPING_FSK_BT0_5 0x02 -#define RH_RF69_DATAMODUL_MODULATIONSHAPING_FSK_BT0_3 0x03 -#define RH_RF69_DATAMODUL_MODULATIONSHAPING_OOK_NONE 0x00 -#define RH_RF69_DATAMODUL_MODULATIONSHAPING_OOK_BR 0x01 -#define RH_RF69_DATAMODUL_MODULATIONSHAPING_OOK_2BR 0x02 - -// RH_RF69_REG_11_PALEVEL -#define RH_RF69_PALEVEL_PA0ON 0x80 -#define RH_RF69_PALEVEL_PA1ON 0x40 -#define RH_RF69_PALEVEL_PA2ON 0x20 -#define RH_RF69_PALEVEL_OUTPUTPOWER 0x1f - -// RH_RF69_REG_23_RSSICONFIG -#define RH_RF69_RSSICONFIG_RSSIDONE 0x02 -#define RH_RF69_RSSICONFIG_RSSISTART 0x01 - -// RH_RF69_REG_25_DIOMAPPING1 -#define RH_RF69_DIOMAPPING1_DIO0MAPPING 0xc0 -#define RH_RF69_DIOMAPPING1_DIO0MAPPING_00 0x00 -#define RH_RF69_DIOMAPPING1_DIO0MAPPING_01 0x40 -#define RH_RF69_DIOMAPPING1_DIO0MAPPING_10 0x80 -#define RH_RF69_DIOMAPPING1_DIO0MAPPING_11 0xc0 - -#define RH_RF69_DIOMAPPING1_DIO1MAPPING 0x30 -#define RH_RF69_DIOMAPPING1_DIO1MAPPING_00 0x00 -#define RH_RF69_DIOMAPPING1_DIO1MAPPING_01 0x10 -#define RH_RF69_DIOMAPPING1_DIO1MAPPING_10 0x20 -#define RH_RF69_DIOMAPPING1_DIO1MAPPING_11 0x30 - -#define RH_RF69_DIOMAPPING1_DIO2MAPPING 0x0c -#define RH_RF69_DIOMAPPING1_DIO2MAPPING_00 0x00 -#define RH_RF69_DIOMAPPING1_DIO2MAPPING_01 0x04 -#define RH_RF69_DIOMAPPING1_DIO2MAPPING_10 0x08 -#define RH_RF69_DIOMAPPING1_DIO2MAPPING_11 0x0c - -#define RH_RF69_DIOMAPPING1_DIO3MAPPING 0x03 -#define RH_RF69_DIOMAPPING1_DIO3MAPPING_00 0x00 -#define RH_RF69_DIOMAPPING1_DIO3MAPPING_01 0x01 -#define RH_RF69_DIOMAPPING1_DIO3MAPPING_10 0x02 -#define RH_RF69_DIOMAPPING1_DIO3MAPPING_11 0x03 - -// RH_RF69_REG_26_DIOMAPPING2 -#define RH_RF69_DIOMAPPING2_DIO4MAPPING 0xc0 -#define RH_RF69_DIOMAPPING2_DIO4MAPPING_00 0x00 -#define RH_RF69_DIOMAPPING2_DIO4MAPPING_01 0x40 -#define RH_RF69_DIOMAPPING2_DIO4MAPPING_10 0x80 -#define RH_RF69_DIOMAPPING2_DIO4MAPPING_11 0xc0 - -#define RH_RF69_DIOMAPPING2_DIO5MAPPING 0x30 -#define RH_RF69_DIOMAPPING2_DIO5MAPPING_00 0x00 -#define RH_RF69_DIOMAPPING2_DIO5MAPPING_01 0x10 -#define RH_RF69_DIOMAPPING2_DIO5MAPPING_10 0x20 -#define RH_RF69_DIOMAPPING2_DIO5MAPPING_11 0x30 - -#define RH_RF69_DIOMAPPING2_CLKOUT 0x07 -#define RH_RF69_DIOMAPPING2_CLKOUT_FXOSC_ 0x00 -#define RH_RF69_DIOMAPPING2_CLKOUT_FXOSC_2 0x01 -#define RH_RF69_DIOMAPPING2_CLKOUT_FXOSC_4 0x02 -#define RH_RF69_DIOMAPPING2_CLKOUT_FXOSC_8 0x03 -#define RH_RF69_DIOMAPPING2_CLKOUT_FXOSC_16 0x04 -#define RH_RF69_DIOMAPPING2_CLKOUT_FXOSC_32 0x05 -#define RH_RF69_DIOMAPPING2_CLKOUT_FXOSC_RC 0x06 -#define RH_RF69_DIOMAPPING2_CLKOUT_FXOSC_OFF 0x07 - -// RH_RF69_REG_27_IRQFLAGS1 -#define RH_RF69_IRQFLAGS1_MODEREADY 0x80 -#define RH_RF69_IRQFLAGS1_RXREADY 0x40 -#define RH_RF69_IRQFLAGS1_TXREADY 0x20 -#define RH_RF69_IRQFLAGS1_PLLLOCK 0x10 -#define RH_RF69_IRQFLAGS1_RSSI 0x08 -#define RH_RF69_IRQFLAGS1_TIMEOUT 0x04 -#define RH_RF69_IRQFLAGS1_AUTOMODE 0x02 -#define RH_RF69_IRQFLAGS1_SYNADDRESSMATCH 0x01 - -// RH_RF69_REG_28_IRQFLAGS2 -#define RH_RF69_IRQFLAGS2_FIFOFULL 0x80 -#define RH_RF69_IRQFLAGS2_FIFONOTEMPTY 0x40 -#define RH_RF69_IRQFLAGS2_FIFOLEVEL 0x20 -#define RH_RF69_IRQFLAGS2_FIFOOVERRUN 0x10 -#define RH_RF69_IRQFLAGS2_PACKETSENT 0x08 -#define RH_RF69_IRQFLAGS2_PAYLOADREADY 0x04 -#define RH_RF69_IRQFLAGS2_CRCOK 0x02 - -// RH_RF69_REG_2E_SYNCCONFIG -#define RH_RF69_SYNCCONFIG_SYNCON 0x80 -#define RH_RF69_SYNCCONFIG_FIFOFILLCONDITION_MANUAL 0x40 -#define RH_RF69_SYNCCONFIG_SYNCSIZE 0x38 -#define RH_RF69_SYNCCONFIG_SYNCSIZE_1 0x00 -#define RH_RF69_SYNCCONFIG_SYNCSIZE_2 0x08 -#define RH_RF69_SYNCCONFIG_SYNCSIZE_3 0x10 -#define RH_RF69_SYNCCONFIG_SYNCSIZE_4 0x18 -#define RH_RF69_SYNCCONFIG_SYNCSIZE_5 0x20 -#define RH_RF69_SYNCCONFIG_SYNCSIZE_6 0x28 -#define RH_RF69_SYNCCONFIG_SYNCSIZE_7 0x30 -#define RH_RF69_SYNCCONFIG_SYNCSIZE_8 0x38 -#define RH_RF69_SYNCCONFIG_SYNCSIZE_SYNCTOL 0x07 - -// RH_RF69_REG_37_PACKETCONFIG1 -#define RH_RF69_PACKETCONFIG1_PACKETFORMAT_VARIABLE 0x80 -#define RH_RF69_PACKETCONFIG1_DCFREE 0x60 -#define RH_RF69_PACKETCONFIG1_DCFREE_NONE 0x00 -#define RH_RF69_PACKETCONFIG1_DCFREE_MANCHESTER 0x20 -#define RH_RF69_PACKETCONFIG1_DCFREE_WHITENING 0x40 -#define RH_RF69_PACKETCONFIG1_DCFREE_RESERVED 0x60 -#define RH_RF69_PACKETCONFIG1_CRC_ON 0x10 -#define RH_RF69_PACKETCONFIG1_CRCAUTOCLEAROFF 0x08 -#define RH_RF69_PACKETCONFIG1_ADDRESSFILTERING 0x06 -#define RH_RF69_PACKETCONFIG1_ADDRESSFILTERING_NONE 0x00 -#define RH_RF69_PACKETCONFIG1_ADDRESSFILTERING_NODE 0x02 -#define RH_RF69_PACKETCONFIG1_ADDRESSFILTERING_NODE_BC 0x04 -#define RH_RF69_PACKETCONFIG1_ADDRESSFILTERING_RESERVED 0x06 - -// RH_RF69_REG_3B_AUTOMODES -#define RH_RF69_AUTOMODE_ENTER_COND_NONE 0x00 -#define RH_RF69_AUTOMODE_ENTER_COND_FIFO_NOT_EMPTY 0x20 -#define RH_RF69_AUTOMODE_ENTER_COND_FIFO_LEVEL 0x40 -#define RH_RF69_AUTOMODE_ENTER_COND_CRC_OK 0x60 -#define RH_RF69_AUTOMODE_ENTER_COND_PAYLOAD_READY 0x80 -#define RH_RF69_AUTOMODE_ENTER_COND_SYNC_ADDRESS 0xa0 -#define RH_RF69_AUTOMODE_ENTER_COND_PACKET_SENT 0xc0 -#define RH_RF69_AUTOMODE_ENTER_COND_FIFO_EMPTY 0xe0 - -#define RH_RF69_AUTOMODE_EXIT_COND_NONE 0x00 -#define RH_RF69_AUTOMODE_EXIT_COND_FIFO_EMPTY 0x04 -#define RH_RF69_AUTOMODE_EXIT_COND_FIFO_LEVEL 0x08 -#define RH_RF69_AUTOMODE_EXIT_COND_CRC_OK 0x0c -#define RH_RF69_AUTOMODE_EXIT_COND_PAYLOAD_READY 0x10 -#define RH_RF69_AUTOMODE_EXIT_COND_SYNC_ADDRESS 0x14 -#define RH_RF69_AUTOMODE_EXIT_COND_PACKET_SENT 0x18 -#define RH_RF69_AUTOMODE_EXIT_COND_TIMEOUT 0x1c - -#define RH_RF69_AUTOMODE_INTERMEDIATE_MODE_SLEEP 0x00 -#define RH_RF69_AUTOMODE_INTERMEDIATE_MODE_STDBY 0x01 -#define RH_RF69_AUTOMODE_INTERMEDIATE_MODE_RX 0x02 -#define RH_RF69_AUTOMODE_INTERMEDIATE_MODE_TX 0x03 - -// RH_RF69_REG_3C_FIFOTHRESH -#define RH_RF69_FIFOTHRESH_TXSTARTCONDITION_NOTEMPTY 0x80 -#define RH_RF69_FIFOTHRESH_FIFOTHRESHOLD 0x7f - -// RH_RF69_REG_3D_PACKETCONFIG2 -#define RH_RF69_PACKETCONFIG2_INTERPACKETRXDELAY 0xf0 -#define RH_RF69_PACKETCONFIG2_RESTARTRX 0x04 -#define RH_RF69_PACKETCONFIG2_AUTORXRESTARTON 0x02 -#define RH_RF69_PACKETCONFIG2_AESON 0x01 - -// RH_RF69_REG_4E_TEMP1 -#define RH_RF69_TEMP1_TEMPMEASSTART 0x08 -#define RH_RF69_TEMP1_TEMPMEASRUNNING 0x04 - -// RH_RF69_REG_5A_TESTPA1 -#define RH_RF69_TESTPA1_NORMAL 0x55 -#define RH_RF69_TESTPA1_BOOST 0x5d - -// RH_RF69_REG_5C_TESTPA2 -#define RH_RF69_TESTPA2_NORMAL 0x70 -#define RH_RF69_TESTPA2_BOOST 0x7c - -// RH_RF69_REG_6F_TESTDAGC -#define RH_RF69_TESTDAGC_CONTINUOUSDAGC_NORMAL 0x00 -#define RH_RF69_TESTDAGC_CONTINUOUSDAGC_IMPROVED_LOWBETAON 0x20 -#define RH_RF69_TESTDAGC_CONTINUOUSDAGC_IMPROVED_LOWBETAOFF 0x30 - enum OpMode { DEFAULT, STDBY, TX, RX }; -static enum OpMode mode = DEFAULT; static power = 0; static inline uint8_t read_reg(uint8_t reg) @@ -295,30 +42,32 @@ static inline void write_reg(uint8_t reg, uint8_t val) SPI_PORT |= (1 << SPI_SS); } -static inline void set_mode(uint8_t m) +static inline void set_mode(uint8_t mode) { + static uint8_t prev_mode = DEFAULT; uint8_t opmode; - opmode = read_reg(RH_RF69_REG_01_OPMODE); - opmode &= ~RH_RF69_OPMODE_MODE; - opmode |= (m & RH_RF69_OPMODE_MODE); - write_reg(RH_RF69_REG_01_OPMODE, opmode); + if (prev_mode != mode) { + if (mode != STDBY) { + if (power >= 18) { + write_reg(0x5A, 0x55); + write_reg(0x5C, 0x70); + } + } + + opmode = read_reg(0x01); + opmode &= ~0x1C; + opmode |= (mode & 0x1C); + write_reg(0x01, opmode); + while (!(read_reg(0x27) & 0x80)) + ; - while (!(read_reg(RH_RF69_REG_27_IRQFLAGS1) - & RH_RF69_IRQFLAGS1_MODEREADY)) - ; + prev_mode = mode; + } } static inline void set_mode_stdby(void) { - if (mode != STDBY) { - if (power >= 18) { - write_reg(RH_RF69_REG_5A_TESTPA1, RH_RF69_TESTPA1_NORMAL); - write_reg(RH_RF69_REG_5C_TESTPA2, RH_RF69_TESTPA2_NORMAL); - } - set_mode(RH_RF69_OPMODE_MODE_STDBY); - mode = STDBY; - } } void radio_send(const char *data, uint8_t n) @@ -391,7 +140,7 @@ void radio_init(const struct radio_cfg *cfg) SPI_PORT |= (1 << SPI_SS); SPCR |= (1 << SPE) | (1 << MSTR); - set_mode_stdby(); + set_mode(STDBY); // LNA, AFC and RXBW settings write_reg(0x18, 0x88); |