From 691ee497916d25d7ad4687d4bb843f81e74f1e64 Mon Sep 17 00:00:00 2001 From: Sadeep Madurange Date: Sun, 12 Jan 2025 17:10:51 +0800 Subject: Stand by mode selection. --- rf_test/radio.c | 286 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ rf_test/send.c | 1 - 2 files changed, 286 insertions(+), 1 deletion(-) diff --git a/rf_test/radio.c b/rf_test/radio.c index c7a0523..23b6884 100644 --- a/rf_test/radio.c +++ b/rf_test/radio.c @@ -13,6 +13,263 @@ #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) { SPI_PORT &= ~(1 << SPI_SS); @@ -38,6 +295,33 @@ static inline void write_reg(uint8_t reg, uint8_t val) SPI_PORT |= (1 << SPI_SS); } +static inline void set_mode(uint8_t m) +{ + 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); + + while (!(read_reg(RH_RF69_REG_27_IRQFLAGS1) + & RH_RF69_IRQFLAGS1_MODEREADY)) + ; +} + +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) { uint8_t i; @@ -108,6 +392,8 @@ void radio_init(const struct radio_cfg *cfg) SPI_PORT |= (1 << SPI_SS); SPCR |= (1 << SPE) | (1 << MSTR); + set_mode_stdby(); + // LNA, AFC and RXBW settings write_reg(0x18, 0x88); write_reg(0x19, 0x55); diff --git a/rf_test/send.c b/rf_test/send.c index 9d1ff2a..0558858 100644 --- a/rf_test/send.c +++ b/rf_test/send.c @@ -40,4 +40,3 @@ int main(void) return 0; } - -- cgit v1.2.3