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Added length mode configuration methods and handling

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This commit is contained in:
Federico Maggi 2019-11-06 02:34:40 +01:00
parent b599a35879
commit 7e42f77c95
2 changed files with 67 additions and 9 deletions
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57
src/modules/CC1101.cpp
View file

@ -3,6 +3,7 @@
CC1101::CC1101(Module* module) : PhysicalLayer(CC1101_CRYSTAL_FREQ, CC1101_DIV_EXPONENT, CC1101_MAX_PACKET_LENGTH) {
_mod = module;
_packetLengthQueried = false;
_packetLengthConfig = CC1101_LENGTH_CONFIG_VARIABLE;
}
int16_t CC1101::begin(float freq, float br, float rxBw, float freqDev, int8_t power) {
@ -20,15 +21,15 @@ int16_t CC1101::begin(float freq, float br, float rxBw, float freqDev, int8_t po
flagFound = true;
} else {
#ifdef RADIOLIB_DEBUG
Serial.print(F("CC1101 not found! ("));
Serial.print(i + 1);
Serial.print(F(" of 10 tries) CC1101_REG_VERSION == "));
RADIOLIB_DEBUG_PRINT(F("CC1101 not found! ("));
RADIOLIB_DEBUG_PRINT(i + 1);
RADIOLIB_DEBUG_PRINT(F(" of 10 tries) CC1101_REG_VERSION == "));
char buffHex[7];
sprintf(buffHex, "0x%04X", version);
Serial.print(buffHex);
Serial.print(F(", expected 0x0014"));
Serial.println();
RADIOLIB_DEBUG_PRINT(buffHex);
RADIOLIB_DEBUG_PRINT(F(", expected 0x0014"));
RADIOLIB_DEBUG_PRINTLN();
#endif
delay(1000);
i++;
@ -192,8 +193,10 @@ int16_t CC1101::startTransmit(uint8_t* data, size_t len, uint8_t addr) {
return(state);
}
// write packet length
SPIwriteRegister(CC1101_REG_FIFO, len);
// optionally write packet length
if (_packetLengthConfig == CC1101_LENGTH_CONFIG_VARIABLE) {
SPIwriteRegister(CC1101_REG_FIFO, len);
}
// check address filtering
uint8_t filter = SPIgetRegValue(CC1101_REG_PKTCTRL1, 1, 0);
@ -477,7 +480,11 @@ uint8_t CC1101::getLQI() {
size_t CC1101::getPacketLength(bool update) {
if(!_packetLengthQueried && update) {
_packetLength = _mod->SPIreadRegister(CC1101_REG_FIFO);
uint8_t format = SPIgetRegValue(CC1101_REG_PKTCTRL0, 1, 0);
if (format == CC1101_LENGTH_CONFIG_VARIABLE) {
_packetLength = _mod->SPIreadRegister(CC1101_REG_FIFO);
}
_packetLengthQueried = true;
}
@ -497,6 +504,38 @@ int16_t CC1101::config() {
return(state);
}
int16_t CC1101::fixedPacketLengthMode(uint8_t len) {
if (len > CC1101_MAX_PACKET_LENGTH) {
return(ERR_PACKET_TOO_LONG);
}
uint16_t state = SPIsetRegValue(CC1101_REG_PKTCTRL0, CC1101_LENGTH_CONFIG_FIXED, 1, 0);
if (state != ERR_NONE) {
return(state);
}
state = SPIsetRegValue(CC1101_REG_PKTLEN, len);
if (state != ERR_NONE) {
return(state);
}
}
int16_t CC1101::variablePacketLengthMode(uint8_t maxLen) {
if (maxLen > CC1101_MAX_PACKET_LENGTH) {
return(ERR_PACKET_TOO_LONG);
}
uint16_t state = SPIsetRegValue(CC1101_REG_PKTCTRL0, CC1101_LENGTH_CONFIG_VARIABLE, 1, 0);
if (state != ERR_NONE) {
return(state);
}
state = SPIsetRegValue(CC1101_REG_PKTLEN, maxLen);
if (state != ERR_NONE) {
return(state);
}
}
int16_t CC1101::directMode() {
// set mode to standby
SPIsendCommand(CC1101_CMD_IDLE);

19
src/modules/CC1101.h
View file

@ -739,6 +739,24 @@ class CC1101: public PhysicalLayer {
*/
size_t getPacketLength(bool update = true);
/*!
\brief Set modem in fixed packet length mode.
\param len Packet length.
\returns \ref status_codes
*/
int16_t fixedPacketLengthMode(uint8_t len = CC1101_MAX_PACKET_LENGTH);
/*!
\brief Set modem in variable packet length mode.
\param len Maximum packet length.
\returns \ref status_codes
*/
int16_t variablePacketLengthMode(uint8_t maxLen = CC1101_MAX_PACKET_LENGTH);
private:
Module* _mod;
@ -748,6 +766,7 @@ class CC1101: public PhysicalLayer {
size_t _packetLength;
bool _packetLengthQueried;
uint8_t _packetLengthConfig;
int16_t config();
int16_t directMode();