diff options
| -rw-r--r-- | laser-tag software/radio.c | 82 | ||||
| -rw-r--r-- | laser-tag software/radio.h | 1 |
2 files changed, 62 insertions, 21 deletions
diff --git a/laser-tag software/radio.c b/laser-tag software/radio.c index 348de3d..4ee90ff 100644 --- a/laser-tag software/radio.c +++ b/laser-tag software/radio.c @@ -8,6 +8,15 @@ static const gpio_output_pin_user_config_t pinReset = { .config.outputLogic = 1, }; +static const gpio_input_pin_user_config_t pinDIO0 = { + .pinName = GPIO_MAKE_PIN(GPIOC_IDX, 9), +}; + +static const gpio_output_pin_user_config_t pinDIO2 = { + .pinName = GPIO_MAKE_PIN(GPIOC_IDX, 10), + .config.outputLogic = 0, +}; + static const spi_master_user_config_t spiConfig = { .bitsPerSec = 2000000, /* 2 MHz, max is 10 MHz */ .polarity = kSpiClockPolarity_ActiveHigh, @@ -20,16 +29,16 @@ static const struct { uint8_t reg; uint8_t val; } config[] = { - { REG_OPMODE, RF_OPMODE_SEQUENCER_ON | RF_OPMODE_LISTEN_OFF - | RF_OPMODE_STANDBY }, + { REG_OPMODE, RF_OPMODE_SEQUENCER_ON + | RF_OPMODE_LISTEN_OFF + | RF_OPMODE_STANDBY }, { REG_DATAMODUL, RF_DATAMODUL_DATAMODE_PACKET - | RF_DATAMODUL_MODULATIONTYPE_FSK - | RF_DATAMODUL_MODULATIONSHAPING_00 }, // no shaping - { REG_BITRATEMSB, RF_BITRATEMSB_55555 }, // default: 4.8 KBPS + | RF_DATAMODUL_MODULATIONTYPE_FSK + | RF_DATAMODUL_MODULATIONSHAPING_00 }, // no shaping + { REG_BITRATEMSB, RF_BITRATEMSB_55555 }, // 55,555 bps { REG_BITRATELSB, RF_BITRATELSB_55555 }, { REG_FDEVMSB, RF_FDEVMSB_50000 }, // default: 5KHz, - // (FDEV + BitRate / 2 <= 500KHz) - { REG_FDEVLSB, RF_FDEVLSB_50000 }, + { REG_FDEVLSB, RF_FDEVLSB_50000 }, // (FDEV + BitRate / 2 <= 500KHz) { REG_FRFMSB, RF_FRFMSB_915 }, { REG_FRFMID, RF_FRFMID_915 }, { REG_FRFLSB, RF_FRFLSB_915 }, @@ -40,16 +49,20 @@ static const struct { // +17dBm formula: Pout = -14 + OutputPower (with PA1 and PA2)** // +20dBm formula: Pout = -11 + OutputPower (with PA1 and PA2)** and high // power PA settings (section 3.3.7 in datasheet) - //{ REG_PALEVEL, RF_PALEVEL_PA0_ON | RF_PALEVEL_PA1_OFF - //| RF_PALEVEL_PA2_OFF | RF_PALEVEL_OUTPUTPOWER_11111 }, - //{ REG_OCP, RF_OCP_ON | RF_OCP_TRIM_95 }, // over current protection - //(default is 95mA) - + { REG_PALEVEL, RF_PALEVEL_PA0_OFF + | RF_PALEVEL_PA1_ON + | RF_PALEVEL_PA2_ON + | RF_PALEVEL_OUTPUTPOWER_11111 }, + { REG_TESTPA1, 0x5D }, + { REG_TESTPA2, 0x7C }, + { REG_OCP, RF_OCP_OFF }, // over current protection // RXBW defaults are RF_RXBW_DCCFREQ_010 | RF_RXBW_MANT_24 | RF_RXBW_EXP_5 // (RxBw: 10.4KHz) //for BR-19200: RF_RXBW_DCCFREQ_010 | RF_RXBW_MANT_24 | RF_RXBW_EXP_3 // (BitRate < 2 * RxBw) - { REG_RXBW, RF_RXBW_DCCFREQ_010 | RF_RXBW_MANT_16 | RF_RXBW_EXP_2 }, + { REG_RXBW, RF_RXBW_DCCFREQ_010 + | RF_RXBW_MANT_16 + | RF_RXBW_EXP_2 }, // DIO0 is the only IRQ we're using { REG_DIOMAPPING1, RF_DIOMAPPING1_DIO0_01 }, // DIO5 ClkOut disable for power saving @@ -60,26 +73,31 @@ static const struct { { REG_RSSITHRESH, 220 }, // default 3 preamble bytes 0xAAAAAA //{ REG_PREAMBLELSB, RF_PREAMBLESIZE_LSB_VALUE } - { REG_SYNCCONFIG, RF_SYNC_ON | RF_SYNC_FIFOFILL_AUTO | RF_SYNC_SIZE_2 - | RF_SYNC_TOL_0 }, + { REG_SYNCCONFIG, RF_SYNC_ON + | RF_SYNC_FIFOFILL_AUTO + | RF_SYNC_SIZE_2 + | RF_SYNC_TOL_0 }, // attempt to make this compatible with sync1 byte of RFM12B lib { REG_SYNCVALUE1, 0x2D }, - { REG_SYNCVALUE2, 42 }, // NETWORK ID - { REG_PACKETCONFIG1, RF_PACKET1_FORMAT_VARIABLE | RF_PACKET1_DCFREE_OFF - | RF_PACKET1_CRC_ON | RF_PACKET1_CRCAUTOCLEAR_ON - | RF_PACKET1_ADRSFILTERING_OFF }, + { REG_SYNCVALUE2, 0x01 }, // NETWORK ID (1 = users, 2 = uber) + { REG_PACKETCONFIG1, RF_PACKET1_FORMAT_VARIABLE + | RF_PACKET1_DCFREE_OFF + | RF_PACKET1_CRC_ON + | RF_PACKET1_CRCAUTOCLEAR_ON + | RF_PACKET1_ADRSFILTERING_OFF }, // in variable length mode: the max frame size, not used in TX { REG_PAYLOADLENGTH, 66 }, // turned off because we're not using address filtering //{ REG_NODEADRS, nodeID }, { REG_FIFOTHRESH, RF_FIFOTHRESH_TXSTART_FIFONOTEMPTY - | RF_FIFOTHRESH_VALUE }, // TX on FIFO not empty + | RF_FIFOTHRESH_VALUE }, // TX on FIFO not empty // RXRESTARTDELAY must match transmitter PA ramp-down time // (bitrate dependent) //for BR-19200: RF_PACKET2_RXRESTARTDELAY_NONE | RF_PACKET2_AUTORXRESTART_ON //| RF_PACKET2_AES_OFF { REG_PACKETCONFIG2, RF_PACKET2_RXRESTARTDELAY_2BITS - | RF_PACKET2_AUTORXRESTART_ON | RF_PACKET2_AES_OFF }, + | RF_PACKET2_AUTORXRESTART_ON + | RF_PACKET2_AES_OFF }, // run DAGC continuously in RX mode for Fading Margin Improvement, // recommended default for AfcLowBetaOn=0 { REG_TESTDAGC, RF_DAGC_IMPROVED_LOWBETA0 }, @@ -137,7 +155,9 @@ int radio_init() PORT_HAL_SetMuxMode(g_portBase[GPIOC_IDX], 6, kPortMuxAlt2); PORT_HAL_SetMuxMode(g_portBase[GPIOC_IDX], 7, kPortMuxAlt2); PORT_HAL_SetMuxMode(g_portBase[GPIOC_IDX], 8, kPortMuxAsGpio); + //PORT_HAL_SetMuxMode(g_portBase[GPIOC_IDX], 10, kPortMuxAsGpio); GPIO_DRV_OutputPinInit(&pinReset); + //GPIO_DRV_OutputPinInit(&pinDIO2); delay(1); GPIO_DRV_WritePinOutput(pinReset.pinName, 0); delay(5); @@ -162,4 +182,24 @@ int radio_init() return 0; } +void set_mode(uint8_t mode) +{ + uint8_t reg = read_reg(REG_OPMODE); + + write_reg(REG_OPMODE, (reg & 0xE3) | mode); +} + +void radio_test(void) +{ + //write_reg(REG_DATAMODUL, RF_DATAMODUL_DATAMODE_CONTINUOUSNOBSYNC); + set_mode(RF_OPMODE_TRANSMITTER); + /* + bool a = false; + while (true) { + GPIO_DRV_WritePinOutput(pinDIO2.pinName, a); + a = !a; + delay(100); + }*/ +} + /* vim: set expandtab ts=4 sw=4: */ diff --git a/laser-tag software/radio.h b/laser-tag software/radio.h index de36dd0..3f999a0 100644 --- a/laser-tag software/radio.h +++ b/laser-tag software/radio.h @@ -2,5 +2,6 @@ #define _RADIO_H_ int radio_init(); +void radio_test(); #endif |