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[RF69] Added data shaping and encoding methods

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This commit is contained in:
jgromes 2020-02-11 14:28:55 +01:00
parent 2a1b25ff61
commit c06d292bd2
2 changed files with 69 additions and 0 deletions
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50
src/modules/RF69/RF69.cpp
View file

@ -87,6 +87,14 @@ int16_t RF69::begin(float freq, float br, float freqDev, float rxBw, int8_t powe
state = setSyncWord(syncWord, sizeof(syncWord));
RADIOLIB_ASSERT(state);
// set default data shaping
state = setDataShaping(0);
RADIOLIB_ASSERT(state);
// set default encoding
state = setEncoding(0);
RADIOLIB_ASSERT(state);
return(ERR_NONE);
}
@ -116,6 +124,9 @@ int16_t RF69::transmit(uint8_t* data, size_t len, uint8_t addr) {
}
}
// set mode to standby
standby();
// clear interrupt flags
clearIRQFlags();
@ -656,6 +667,45 @@ int16_t RF69::setPromiscuousMode(bool promiscuous) {
return(state);
}
int16_t RF69::setDataShaping(float sh) {
// set mode to standby
int16_t state = standby();
RADIOLIB_ASSERT(state);
// set data shaping
sh *= 10.0;
if(abs(sh - 0.0) <= 0.001) {
state = _mod->SPIsetRegValue(RF69_REG_DATA_MODUL, RF69_NO_SHAPING, 1, 0);
} else if(abs(sh - 3.0) <= 0.001) {
state = _mod->SPIsetRegValue(RF69_REG_DATA_MODUL, RF69_FSK_GAUSSIAN_0_3, 1, 0);
} else if(abs(sh - 5.0) <= 0.001) {
state = _mod->SPIsetRegValue(RF69_REG_DATA_MODUL, RF69_FSK_GAUSSIAN_0_5, 1, 0);
} else if(abs(sh - 10.0) <= 0.001) {
state = _mod->SPIsetRegValue(RF69_REG_DATA_MODUL, RF69_FSK_GAUSSIAN_1_0, 1, 0);
} else {
return(ERR_INVALID_DATA_SHAPING);
}
return(state);
}
int16_t RF69::setEncoding(uint8_t encoding) {
// set mode to standby
int16_t state = standby();
RADIOLIB_ASSERT(state);
// set encoding
switch(encoding) {
case 0:
return(_mod->SPIsetRegValue(RF69_REG_PACKET_CONFIG_1, RF69_DC_FREE_NONE, 6, 5));
case 1:
return(_mod->SPIsetRegValue(RF69_REG_PACKET_CONFIG_1, RF69_DC_FREE_MANCHESTER, 6, 5));
case 2:
return(_mod->SPIsetRegValue(RF69_REG_PACKET_CONFIG_1, RF69_DC_FREE_WHITENING, 6, 5));
default:
return(ERR_INVALID_ENCODING);
}
}
int16_t RF69::config() {
int16_t state = ERR_NONE;

19
src/modules/RF69/RF69.h
View file

@ -772,6 +772,25 @@ class RF69: public PhysicalLayer {
*/
int16_t setPromiscuousMode(bool promiscuous = true);
/*!
\brief Sets Gaussian filter bandwidth-time product that will be used for data shaping.
Allowed values are 0.3, 0.5 or 1.0. Set to 0 to disable data shaping.
\param sh Gaussian shaping bandwidth-time product that will be used for data shaping
\returns \ref status_codes
*/
int16_t setDataShaping(float sh);
/*!
\brief Sets transmission encoding.
\param encoding Encoding to be used. Set to 0 for NRZ, 1 for Manchester and 2 for whitening.
\returns \ref status_codes
*/
int16_t setEncoding(uint8_t encoding);
#ifndef RADIOLIB_GODMODE
protected:
#endif