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Default 433mhz to legal 433.92mhz 

Solves #202
This commit is contained in:
Felix Rusu 2025-10-17 14:07:34 -04:00
parent 705b0ab394
commit bfcd7a4762
2 changed files with 7 additions and 3 deletions
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6
RFM69.cpp
View File

@ -71,9 +71,9 @@ bool RFM69::initialize(uint8_t freqBand, uint16_t nodeID, uint8_t networkID) {
/* 0x05 */ { REG_FDEVMSB, RF_FDEVMSB_50000}, // default: 5KHz, (FDEV + BitRate / 2 <= 500KHz)
/* 0x06 */ { REG_FDEVLSB, RF_FDEVLSB_50000},
/* 0x07 */ { REG_FRFMSB, (uint8_t) (freqBand==RF69_315MHZ ? RF_FRFMSB_315 : (freqBand==RF69_433MHZ ? RF_FRFMSB_433 : (freqBand==RF69_868MHZ ? RF_FRFMSB_868 : RF_FRFMSB_915))) },
/* 0x08 */ { REG_FRFMID, (uint8_t) (freqBand==RF69_315MHZ ? RF_FRFMID_315 : (freqBand==RF69_433MHZ ? RF_FRFMID_433 : (freqBand==RF69_868MHZ ? RF_FRFMID_868 : RF_FRFMID_915))) },
/* 0x09 */ { REG_FRFLSB, (uint8_t) (freqBand==RF69_315MHZ ? RF_FRFLSB_315 : (freqBand==RF69_433MHZ ? RF_FRFLSB_433 : (freqBand==RF69_868MHZ ? RF_FRFLSB_868 : RF_FRFLSB_915))) },
/* 0x07 */ { REG_FRFMSB, (uint8_t) (freqBand==RF69_315MHZ ? RF_FRFMSB_315 : (freqBand==RF69_433MHZ ? RF_FRFMSB_433_92 : (freqBand==RF69_868MHZ ? RF_FRFMSB_868 : RF_FRFMSB_915))) },
/* 0x08 */ { REG_FRFMID, (uint8_t) (freqBand==RF69_315MHZ ? RF_FRFMID_315 : (freqBand==RF69_433MHZ ? RF_FRFMID_433_92 : (freqBand==RF69_868MHZ ? RF_FRFMID_868 : RF_FRFMID_915))) },
/* 0x09 */ { REG_FRFLSB, (uint8_t) (freqBand==RF69_315MHZ ? RF_FRFLSB_315 : (freqBand==RF69_433MHZ ? RF_FRFLSB_433_92 : (freqBand==RF69_868MHZ ? RF_FRFLSB_868 : RF_FRFLSB_915))) },
// looks like PA1 and PA2 are not implemented on RFM69W/CW, hence the max output power is 13dBm
// +17dBm and +20dBm are possible on RFM69HW

4
RFM69registers.h
View File

@ -305,6 +305,10 @@
#define RF_FRFMSB_433 0x6C
#define RF_FRFMID_433 0x40
#define RF_FRFLSB_433 0x00
//center frequency: 433.92 - see https://github.com/LowPowerLab/RFM69/issues/202
#define RF_FRFMSB_433_92 0x6C
#define RF_FRFMID_433_92 0x7A
#define RF_FRFLSB_433_92 0xE1
#define RF_FRFMSB_434 0x6C
#define RF_FRFMID_434 0x80
#define RF_FRFLSB_434 0x00