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crummy sx1262 fake init kinda works

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This commit is contained in:
geeksville 2020-04-29 16:06:23 -07:00
parent 814c126e67
commit 4693302d82
2 changed files with 15 additions and 38 deletions
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43
src/rf95/RadioLibInterface.cpp
View File

@ -2,7 +2,7 @@
#include <configuration.h>
// FIXME, we default to 4MHz SPI, SPI mode 0, check if the datasheet says it can really do that
static SPISettings spiSettings;
static SPISettings spiSettings(4000000, MSBFIRST, SPI_MODE0);
RadioLibInterface::RadioLibInterface(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE busy,
SPIClass &spi)
@ -23,7 +23,10 @@ bool RadioLibInterface::init()
// FIXME, move this to main
SPI.begin();
int res = lora.begin();
float tcxoVoltage = 0; // None - we use an XTAL
bool useRegulatorLDO = false; // Seems to depend on the connection to pin 9/DCC_SW - if an inductor DCDC?
int res = lora.begin(freq, bw, sf, cr, syncWord, power, currentLimit, preambleLength, tcxoVoltage, useRegulatorLDO);
DEBUG_MSG("LORA init result %d\n", res);
return res == ERR_NONE;
@ -36,42 +39,6 @@ bool RadioLibInterface::init()
// include the library
// SX1262 has the following connections:
// NSS pin: 10
// DIO1 pin: 2
// NRST pin: 3
// BUSY pin: 9
SX1262 lora = new Module(10, 2, 3, 9);
// or using RadioShield
// https://github.com/jgromes/RadioShield
//SX1262 lora = RadioShield.ModuleA;
void setup() {
Serial.begin(9600);
// initialize SX1262 with default settings
Serial.print(F("[SX1262] Initializing ... "));
// carrier frequency: 434.0 MHz
// bandwidth: 125.0 kHz
// spreading factor: 9
// coding rate: 7
// sync word: 0x12 (private network)
// output power: 14 dBm
// current limit: 60 mA
// preamble length: 8 symbols
// TCXO voltage: 1.6 V (set to 0 to not use TCXO)
// regulator: DC-DC (set to true to use LDO)
// CRC: enabled
int state = lora.begin();
if (state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code "));
Serial.println(state);
while (true);
}
}
void loop() {
Serial.print(F("[SX1262] Transmitting packet ... "));

10
src/rf95/RadioLibInterface.h
View File

@ -79,4 +79,14 @@ class RadioLibInterface : public RadioInterface
/// \param[in] useRFO If true, enables the use of the RFO transmitter pins instead of
/// the PA_BOOST pin (false). Choose the correct setting for your module.
void setTxPower(int8_t power, bool useRFO = false) {}
private:
float freq = 915.0; // FIXME, init all these params from suer setings
float bw = 125;
uint8_t sf = 9;
uint8_t cr = 7;
uint8_t syncWord = 0; // FIXME, use a meshtastic sync word, but hashed with the Channel name
int8_t power = 17;
float currentLimit = 100; // FIXME
uint16_t preambleLength = 8;
};