| /* SPDX-License-Identifier: GPL-2.0+ |
| * |
| * register description for HopeRf rf69 radio module |
| * |
| * Copyright (C) 2016 Wolf-Entwicklungen |
| * Marcus Wolf <linux@wolf-entwicklungen.de> |
| */ |
| |
| /*******************************************/ |
| /* RF69 register addresses */ |
| /*******************************************/ |
| #define REG_FIFO 0x00 |
| #define REG_OPMODE 0x01 |
| #define REG_DATAMODUL 0x02 |
| #define REG_BITRATE_MSB 0x03 |
| #define REG_BITRATE_LSB 0x04 |
| #define REG_FDEV_MSB 0x05 |
| #define REG_FDEV_LSB 0x06 |
| #define REG_FRF_MSB 0x07 |
| #define REG_FRF_MID 0x08 |
| #define REG_FRF_LSB 0x09 |
| #define REG_OSC1 0x0A |
| #define REG_AFCCTRL 0x0B |
| #define REG_LOWBAT 0x0C |
| #define REG_LISTEN1 0x0D |
| #define REG_LISTEN2 0x0E |
| #define REG_LISTEN3 0x0F |
| #define REG_VERSION 0x10 |
| #define REG_PALEVEL 0x11 |
| #define REG_PARAMP 0x12 |
| #define REG_OCP 0x13 |
| #define REG_AGCREF 0x14 /* not available on RF69 */ |
| #define REG_AGCTHRESH1 0x15 /* not available on RF69 */ |
| #define REG_AGCTHRESH2 0x16 /* not available on RF69 */ |
| #define REG_AGCTHRESH3 0x17 /* not available on RF69 */ |
| #define REG_LNA 0x18 |
| #define REG_RXBW 0x19 |
| #define REG_AFCBW 0x1A |
| #define REG_OOKPEAK 0x1B |
| #define REG_OOKAVG 0x1C |
| #define REG_OOKFIX 0x1D |
| #define REG_AFCFEI 0x1E |
| #define REG_AFCMSB 0x1F |
| #define REG_AFCLSB 0x20 |
| #define REG_FEIMSB 0x21 |
| #define REG_FEILSB 0x22 |
| #define REG_RSSICONFIG 0x23 |
| #define REG_RSSIVALUE 0x24 |
| #define REG_DIOMAPPING1 0x25 |
| #define REG_DIOMAPPING2 0x26 |
| #define REG_IRQFLAGS1 0x27 |
| #define REG_IRQFLAGS2 0x28 |
| #define REG_RSSITHRESH 0x29 |
| #define REG_RXTIMEOUT1 0x2A |
| #define REG_RXTIMEOUT2 0x2B |
| #define REG_PREAMBLE_MSB 0x2C |
| #define REG_PREAMBLE_LSB 0x2D |
| #define REG_SYNC_CONFIG 0x2E |
| #define REG_SYNCVALUE1 0x2F |
| #define REG_SYNCVALUE2 0x30 |
| #define REG_SYNCVALUE3 0x31 |
| #define REG_SYNCVALUE4 0x32 |
| #define REG_SYNCVALUE5 0x33 |
| #define REG_SYNCVALUE6 0x34 |
| #define REG_SYNCVALUE7 0x35 |
| #define REG_SYNCVALUE8 0x36 |
| #define REG_PACKETCONFIG1 0x37 |
| #define REG_PAYLOAD_LENGTH 0x38 |
| #define REG_NODEADRS 0x39 |
| #define REG_BROADCASTADRS 0x3A |
| #define REG_AUTOMODES 0x3B |
| #define REG_FIFO_THRESH 0x3C |
| #define REG_PACKETCONFIG2 0x3D |
| #define REG_AESKEY1 0x3E |
| #define REG_AESKEY2 0x3F |
| #define REG_AESKEY3 0x40 |
| #define REG_AESKEY4 0x41 |
| #define REG_AESKEY5 0x42 |
| #define REG_AESKEY6 0x43 |
| #define REG_AESKEY7 0x44 |
| #define REG_AESKEY8 0x45 |
| #define REG_AESKEY9 0x46 |
| #define REG_AESKEY10 0x47 |
| #define REG_AESKEY11 0x48 |
| #define REG_AESKEY12 0x49 |
| #define REG_AESKEY13 0x4A |
| #define REG_AESKEY14 0x4B |
| #define REG_AESKEY15 0x4C |
| #define REG_AESKEY16 0x4D |
| #define REG_TEMP1 0x4E |
| #define REG_TEMP2 0x4F |
| #define REG_TESTPA1 0x5A /* only present on RFM69HW */ |
| #define REG_TESTPA2 0x5C /* only present on RFM69HW */ |
| #define REG_TESTDAGC 0x6F |
| |
| /******************************************************/ |
| /* RF69/SX1231 bit definition */ |
| /******************************************************/ |
| /* write bit */ |
| #define WRITE_BIT 0x80 |
| |
| /* RegOpMode */ |
| #define MASK_OPMODE_SEQUENCER_OFF 0x80 |
| #define MASK_OPMODE_LISTEN_ON 0x40 |
| #define MASK_OPMODE_LISTEN_ABORT 0x20 |
| #define MASK_OPMODE_MODE 0x1C |
| |
| #define OPMODE_MODE_SLEEP 0x00 |
| #define OPMODE_MODE_STANDBY 0x04 /* default */ |
| #define OPMODE_MODE_SYNTHESIZER 0x08 |
| #define OPMODE_MODE_TRANSMIT 0x0C |
| #define OPMODE_MODE_RECEIVE 0x10 |
| |
| /* RegDataModul */ |
| #define MASK_DATAMODUL_MODE 0x06 |
| #define MASK_DATAMODUL_MODULATION_TYPE 0x18 |
| #define MASK_DATAMODUL_MODULATION_SHAPE 0x03 |
| |
| #define DATAMODUL_MODE_PACKET 0x00 /* default */ |
| #define DATAMODUL_MODE_CONTINUOUS 0x40 |
| #define DATAMODUL_MODE_CONTINUOUS_NOSYNC 0x60 |
| |
| #define DATAMODUL_MODULATION_TYPE_FSK 0x00 /* default */ |
| #define DATAMODUL_MODULATION_TYPE_OOK 0x08 |
| |
| #define DATAMODUL_MODULATION_SHAPE_NONE 0x00 /* default */ |
| #define DATAMODUL_MODULATION_SHAPE_1_0 0x01 |
| #define DATAMODUL_MODULATION_SHAPE_0_5 0x02 |
| #define DATAMODUL_MODULATION_SHAPE_0_3 0x03 |
| #define DATAMODUL_MODULATION_SHAPE_BR 0x01 |
| #define DATAMODUL_MODULATION_SHAPE_2BR 0x02 |
| |
| /* RegFDevMsb (0x05)*/ |
| #define FDEVMASB_MASK 0x3f |
| |
| /* |
| * // RegOsc1 |
| * #define OSC1_RCCAL_START 0x80 |
| * #define OSC1_RCCAL_DONE 0x40 |
| * |
| * // RegLowBat |
| * #define LOWBAT_MONITOR 0x10 |
| * #define LOWBAT_ON 0x08 |
| * #define LOWBAT_OFF 0x00 // Default |
| * |
| * #define LOWBAT_TRIM_1695 0x00 |
| * #define LOWBAT_TRIM_1764 0x01 |
| * #define LOWBAT_TRIM_1835 0x02 // Default |
| * #define LOWBAT_TRIM_1905 0x03 |
| * #define LOWBAT_TRIM_1976 0x04 |
| * #define LOWBAT_TRIM_2045 0x05 |
| * #define LOWBAT_TRIM_2116 0x06 |
| * #define LOWBAT_TRIM_2185 0x07 |
| * |
| * |
| * // RegListen1 |
| * #define LISTEN1_RESOL_64 0x50 |
| * #define LISTEN1_RESOL_4100 0xA0 // Default |
| * #define LISTEN1_RESOL_262000 0xF0 |
| * |
| * #define LISTEN1_CRITERIA_RSSI 0x00 // Default |
| * #define LISTEN1_CRITERIA_RSSIANDSYNC 0x08 |
| * |
| * #define LISTEN1_END_00 0x00 |
| * #define LISTEN1_END_01 0x02 // Default |
| * #define LISTEN1_END_10 0x04 |
| * |
| * |
| * // RegListen2 |
| * #define LISTEN2_COEFIDLE_VALUE 0xF5 // Default |
| * |
| * // RegListen3 |
| * #define LISTEN3_COEFRX_VALUE 0x20 // Default |
| */ |
| |
| // RegPaLevel |
| #define MASK_PALEVEL_PA0 0x80 |
| #define MASK_PALEVEL_PA1 0x40 |
| #define MASK_PALEVEL_PA2 0x20 |
| #define MASK_PALEVEL_OUTPUT_POWER 0x1F |
| |
| // RegPaRamp |
| #define PARAMP_3400 0x00 |
| #define PARAMP_2000 0x01 |
| #define PARAMP_1000 0x02 |
| #define PARAMP_500 0x03 |
| #define PARAMP_250 0x04 |
| #define PARAMP_125 0x05 |
| #define PARAMP_100 0x06 |
| #define PARAMP_62 0x07 |
| #define PARAMP_50 0x08 |
| #define PARAMP_40 0x09 /* default */ |
| #define PARAMP_31 0x0A |
| #define PARAMP_25 0x0B |
| #define PARAMP_20 0x0C |
| #define PARAMP_15 0x0D |
| #define PARAMP_12 0x0E |
| #define PARAMP_10 0x0F |
| |
| #define MASK_PARAMP 0x0F |
| |
| /* |
| * // RegOcp |
| * #define OCP_OFF 0x0F |
| * #define OCP_ON 0x1A // Default |
| * |
| * #define OCP_TRIM_45 0x00 |
| * #define OCP_TRIM_50 0x01 |
| * #define OCP_TRIM_55 0x02 |
| * #define OCP_TRIM_60 0x03 |
| * #define OCP_TRIM_65 0x04 |
| * #define OCP_TRIM_70 0x05 |
| * #define OCP_TRIM_75 0x06 |
| * #define OCP_TRIM_80 0x07 |
| * #define OCP_TRIM_85 0x08 |
| * #define OCP_TRIM_90 0x09 |
| * #define OCP_TRIM_95 0x0A |
| * #define OCP_TRIM_100 0x0B // Default |
| * #define OCP_TRIM_105 0x0C |
| * #define OCP_TRIM_110 0x0D |
| * #define OCP_TRIM_115 0x0E |
| * #define OCP_TRIM_120 0x0F |
| */ |
| |
| /* RegLna (0x18) */ |
| #define MASK_LNA_ZIN 0x80 |
| #define MASK_LNA_CURRENT_GAIN 0x38 |
| #define MASK_LNA_GAIN 0x07 |
| |
| #define LNA_GAIN_AUTO 0x00 /* default */ |
| #define LNA_GAIN_MAX 0x01 |
| #define LNA_GAIN_MAX_MINUS_6 0x02 |
| #define LNA_GAIN_MAX_MINUS_12 0x03 |
| #define LNA_GAIN_MAX_MINUS_24 0x04 |
| #define LNA_GAIN_MAX_MINUS_36 0x05 |
| #define LNA_GAIN_MAX_MINUS_48 0x06 |
| |
| /* RegRxBw (0x19) and RegAfcBw (0x1A) */ |
| #define MASK_BW_DCC_FREQ 0xE0 |
| #define MASK_BW_MANTISSE 0x18 |
| #define MASK_BW_EXPONENT 0x07 |
| |
| #define BW_DCC_16_PERCENT 0x00 |
| #define BW_DCC_8_PERCENT 0x20 |
| #define BW_DCC_4_PERCENT 0x40 /* default */ |
| #define BW_DCC_2_PERCENT 0x60 |
| #define BW_DCC_1_PERCENT 0x80 |
| #define BW_DCC_0_5_PERCENT 0xA0 |
| #define BW_DCC_0_25_PERCENT 0xC0 |
| #define BW_DCC_0_125_PERCENT 0xE0 |
| |
| #define BW_MANT_16 0x00 |
| #define BW_MANT_20 0x08 |
| #define BW_MANT_24 0x10 /* default */ |
| |
| /* RegOokPeak (0x1B) */ |
| #define MASK_OOKPEAK_THRESTYPE 0xc0 |
| #define MASK_OOKPEAK_THRESSTEP 0x38 |
| #define MASK_OOKPEAK_THRESDEC 0x07 |
| |
| #define OOKPEAK_THRESHTYPE_FIXED 0x00 |
| #define OOKPEAK_THRESHTYPE_PEAK 0x40 /* default */ |
| #define OOKPEAK_THRESHTYPE_AVERAGE 0x80 |
| |
| #define OOKPEAK_THRESHSTEP_0_5_DB 0x00 /* default */ |
| #define OOKPEAK_THRESHSTEP_1_0_DB 0x08 |
| #define OOKPEAK_THRESHSTEP_1_5_DB 0x10 |
| #define OOKPEAK_THRESHSTEP_2_0_DB 0x18 |
| #define OOKPEAK_THRESHSTEP_3_0_DB 0x20 |
| #define OOKPEAK_THRESHSTEP_4_0_DB 0x28 |
| #define OOKPEAK_THRESHSTEP_5_0_DB 0x30 |
| #define OOKPEAK_THRESHSTEP_6_0_DB 0x38 |
| |
| #define OOKPEAK_THRESHDEC_ONCE 0x00 /* default */ |
| #define OOKPEAK_THRESHDEC_EVERY_2ND 0x01 |
| #define OOKPEAK_THRESHDEC_EVERY_4TH 0x02 |
| #define OOKPEAK_THRESHDEC_EVERY_8TH 0x03 |
| #define OOKPEAK_THRESHDEC_TWICE 0x04 |
| #define OOKPEAK_THRESHDEC_4_TIMES 0x05 |
| #define OOKPEAK_THRESHDEC_8_TIMES 0x06 |
| #define OOKPEAK_THRESHDEC_16_TIMES 0x07 |
| |
| /* |
| * // RegOokAvg |
| * #define OOKAVG_AVERAGETHRESHFILT_00 0x00 |
| * #define OOKAVG_AVERAGETHRESHFILT_01 0x40 |
| * #define OOKAVG_AVERAGETHRESHFILT_10 0x80 // Default |
| * #define OOKAVG_AVERAGETHRESHFILT_11 0xC0 |
| * |
| * |
| * // RegAfcFei |
| * #define AFCFEI_FEI_DONE 0x40 |
| * #define AFCFEI_FEI_START 0x20 |
| * #define AFCFEI_AFC_DONE 0x10 |
| * #define AFCFEI_AFCAUTOCLEAR_ON 0x08 |
| * #define AFCFEI_AFCAUTOCLEAR_OFF 0x00 // Default |
| * |
| * #define AFCFEI_AFCAUTO_ON 0x04 |
| * #define AFCFEI_AFCAUTO_OFF 0x00 // Default |
| * |
| * #define AFCFEI_AFC_CLEAR 0x02 |
| * #define AFCFEI_AFC_START 0x01 |
| * |
| * // RegRssiConfig |
| * #define RSSI_FASTRX_ON 0x08 |
| * #define RSSI_FASTRX_OFF 0x00 // Default |
| * #define RSSI_DONE 0x02 |
| * #define RSSI_START 0x01 |
| */ |
| |
| /* RegDioMapping1 */ |
| #define MASK_DIO0 0xC0 |
| #define MASK_DIO1 0x30 |
| #define MASK_DIO2 0x0C |
| #define MASK_DIO3 0x03 |
| #define SHIFT_DIO0 6 |
| #define SHIFT_DIO1 4 |
| #define SHIFT_DIO2 2 |
| #define SHIFT_DIO3 0 |
| |
| /* RegDioMapping2 */ |
| #define MASK_DIO4 0xC0 |
| #define MASK_DIO5 0x30 |
| #define SHIFT_DIO4 6 |
| #define SHIFT_DIO5 4 |
| |
| /* DIO numbers */ |
| #define DIO0 0 |
| #define DIO1 1 |
| #define DIO2 2 |
| #define DIO3 3 |
| #define DIO4 4 |
| #define DIO5 5 |
| |
| /* DIO Mapping values (packet mode) */ |
| #define DIO_MODE_READY_DIO4 0x00 |
| #define DIO_MODE_READY_DIO5 0x03 |
| #define DIO_CLK_OUT 0x00 |
| #define DIO_DATA 0x01 |
| #define DIO_TIMEOUT_DIO1 0x03 |
| #define DIO_TIMEOUT_DIO4 0x00 |
| #define DIO_RSSI_DIO0 0x03 |
| #define DIO_RSSI_DIO3_4 0x01 |
| #define DIO_RX_READY 0x02 |
| #define DIO_PLL_LOCK 0x03 |
| #define DIO_TX_READY 0x01 |
| #define DIO_FIFO_FULL_DIO1 0x01 |
| #define DIO_FIFO_FULL_DIO3 0x00 |
| #define DIO_SYNC_ADDRESS 0x02 |
| #define DIO_FIFO_NOT_EMPTY_DIO1 0x02 |
| #define DIO_FIFO_NOT_EMPTY_FIO2 0x00 |
| #define DIO_AUTOMODE 0x04 |
| #define DIO_FIFO_LEVEL 0x00 |
| #define DIO_CRC_OK 0x00 |
| #define DIO_PAYLOAD_READY 0x01 |
| #define DIO_PACKET_SENT 0x00 |
| #define DIO_DCLK 0x00 |
| |
| /* RegDioMapping2 CLK_OUT part */ |
| #define MASK_DIOMAPPING2_CLK_OUT 0x07 |
| |
| #define DIOMAPPING2_CLK_OUT_NO_DIV 0x00 |
| #define DIOMAPPING2_CLK_OUT_DIV_2 0x01 |
| #define DIOMAPPING2_CLK_OUT_DIV_4 0x02 |
| #define DIOMAPPING2_CLK_OUT_DIV_8 0x03 |
| #define DIOMAPPING2_CLK_OUT_DIV_16 0x04 |
| #define DIOMAPPING2_CLK_OUT_DIV_32 0x05 |
| #define DIOMAPPING2_CLK_OUT_RC 0x06 |
| #define DIOMAPPING2_CLK_OUT_OFF 0x07 /* default */ |
| |
| /* RegIrqFlags1 */ |
| #define MASK_IRQFLAGS1_MODE_READY 0x80 |
| #define MASK_IRQFLAGS1_RX_READY 0x40 |
| #define MASK_IRQFLAGS1_TX_READY 0x20 |
| #define MASK_IRQFLAGS1_PLL_LOCK 0x10 |
| #define MASK_IRQFLAGS1_RSSI 0x08 |
| #define MASK_IRQFLAGS1_TIMEOUT 0x04 |
| #define MASK_IRQFLAGS1_AUTOMODE 0x02 |
| #define MASK_IRQFLAGS1_SYNC_ADDRESS_MATCH 0x01 |
| |
| /* RegIrqFlags2 */ |
| #define MASK_IRQFLAGS2_FIFO_FULL 0x80 |
| #define MASK_IRQFLAGS2_FIFO_NOT_EMPTY 0x40 |
| #define MASK_IRQFLAGS2_FIFO_LEVEL 0x20 |
| #define MASK_IRQFLAGS2_FIFO_OVERRUN 0x10 |
| #define MASK_IRQFLAGS2_PACKET_SENT 0x08 |
| #define MASK_IRQFLAGS2_PAYLOAD_READY 0x04 |
| #define MASK_IRQFLAGS2_CRC_OK 0x02 |
| #define MASK_IRQFLAGS2_LOW_BAT 0x01 |
| |
| /* RegSyncConfig */ |
| #define MASK_SYNC_CONFIG_SYNC_ON 0x80 /* default */ |
| #define MASK_SYNC_CONFIG_FIFO_FILL_CONDITION 0x40 |
| #define MASK_SYNC_CONFIG_SYNC_SIZE 0x38 |
| #define MASK_SYNC_CONFIG_SYNC_TOLERANCE 0x07 |
| |
| /* RegPacketConfig1 */ |
| #define MASK_PACKETCONFIG1_PACKET_FORMAT_VARIABLE 0x80 |
| #define MASK_PACKETCONFIG1_DCFREE 0x60 |
| #define MASK_PACKETCONFIG1_CRC_ON 0x10 /* default */ |
| #define MASK_PACKETCONFIG1_CRCAUTOCLEAR_OFF 0x08 |
| #define MASK_PACKETCONFIG1_ADDRESSFILTERING 0x06 |
| |
| #define PACKETCONFIG1_DCFREE_OFF 0x00 /* default */ |
| #define PACKETCONFIG1_DCFREE_MANCHESTER 0x20 |
| #define PACKETCONFIG1_DCFREE_WHITENING 0x40 |
| #define PACKETCONFIG1_ADDRESSFILTERING_OFF 0x00 /* default */ |
| #define PACKETCONFIG1_ADDRESSFILTERING_NODE 0x02 |
| #define PACKETCONFIG1_ADDRESSFILTERING_NODEBROADCAST 0x04 |
| |
| /* |
| * // RegAutoModes |
| * #define AUTOMODES_ENTER_OFF 0x00 // Default |
| * #define AUTOMODES_ENTER_FIFONOTEMPTY 0x20 |
| * #define AUTOMODES_ENTER_FIFOLEVEL 0x40 |
| * #define AUTOMODES_ENTER_CRCOK 0x60 |
| * #define AUTOMODES_ENTER_PAYLOADREADY 0x80 |
| * #define AUTOMODES_ENTER_SYNCADRSMATCH 0xA0 |
| * #define AUTOMODES_ENTER_PACKETSENT 0xC0 |
| * #define AUTOMODES_ENTER_FIFOEMPTY 0xE0 |
| * |
| * #define AUTOMODES_EXIT_OFF 0x00 // Default |
| * #define AUTOMODES_EXIT_FIFOEMPTY 0x04 |
| * #define AUTOMODES_EXIT_FIFOLEVEL 0x08 |
| * #define AUTOMODES_EXIT_CRCOK 0x0C |
| * #define AUTOMODES_EXIT_PAYLOADREADY 0x10 |
| * #define AUTOMODES_EXIT_SYNCADRSMATCH 0x14 |
| * #define AUTOMODES_EXIT_PACKETSENT 0x18 |
| * #define AUTOMODES_EXIT_RXTIMEOUT 0x1C |
| * |
| * #define AUTOMODES_INTERMEDIATE_SLEEP 0x00 // Default |
| * #define AUTOMODES_INTERMEDIATE_STANDBY 0x01 |
| * #define AUTOMODES_INTERMEDIATE_RECEIVER 0x02 |
| * #define AUTOMODES_INTERMEDIATE_TRANSMITTER 0x03 |
| * |
| */ |
| /* RegFifoThresh (0x3c) */ |
| #define MASK_FIFO_THRESH_TXSTART 0x80 |
| #define MASK_FIFO_THRESH_VALUE 0x7F |
| |
| /* |
| * |
| * // RegPacketConfig2 |
| * #define PACKET2_RXRESTARTDELAY_1BIT 0x00 // Default |
| * #define PACKET2_RXRESTARTDELAY_2BITS 0x10 |
| * #define PACKET2_RXRESTARTDELAY_4BITS 0x20 |
| * #define PACKET2_RXRESTARTDELAY_8BITS 0x30 |
| * #define PACKET2_RXRESTARTDELAY_16BITS 0x40 |
| * #define PACKET2_RXRESTARTDELAY_32BITS 0x50 |
| * #define PACKET2_RXRESTARTDELAY_64BITS 0x60 |
| * #define PACKET2_RXRESTARTDELAY_128BITS 0x70 |
| * #define PACKET2_RXRESTARTDELAY_256BITS 0x80 |
| * #define PACKET2_RXRESTARTDELAY_512BITS 0x90 |
| * #define PACKET2_RXRESTARTDELAY_1024BITS 0xA0 |
| * #define PACKET2_RXRESTARTDELAY_2048BITS 0xB0 |
| * #define PACKET2_RXRESTARTDELAY_NONE 0xC0 |
| * #define PACKET2_RXRESTART 0x04 |
| * |
| * #define PACKET2_AUTORXRESTART_ON 0x02 // Default |
| * #define PACKET2_AUTORXRESTART_OFF 0x00 |
| * |
| * #define PACKET2_AES_ON 0x01 |
| * #define PACKET2_AES_OFF 0x00 // Default |
| * |
| * |
| * // RegTemp1 |
| * #define TEMP1_MEAS_START 0x08 |
| * #define TEMP1_MEAS_RUNNING 0x04 |
| * #define TEMP1_ADCLOWPOWER_ON 0x01 // Default |
| * #define TEMP1_ADCLOWPOWER_OFF 0x00 |
| */ |
| |
| // RegTestDagc (0x6F) |
| #define DAGC_NORMAL 0x00 /* Reset value */ |
| #define DAGC_IMPROVED_LOWBETA1 0x20 |
| #define DAGC_IMPROVED_LOWBETA0 0x30 /* Recommended val */ |