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[Si443x] Add CRC configuration (#1430)

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This commit is contained in:
jgromes 2025-03-14 20:14:52 +01:00
parent 416f52d92a
commit f0e686eaa9
2 changed files with 23 additions and 3 deletions
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17
src/modules/Si443x/Si443x.cpp
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@ -54,10 +54,13 @@ int16_t Si443x::begin(float br, float freqDev, float rxBw, uint8_t preambleLen)
state = packetMode();
RADIOLIB_ASSERT(state);
state = setDataShaping(0);
state = setDataShaping(RADIOLIB_SHAPING_NONE);
RADIOLIB_ASSERT(state);
state = setEncoding(0);
state = setEncoding(RADIOLIB_ENCODING_NRZ);
RADIOLIB_ASSERT(state);
state = setCRC(true);
RADIOLIB_ASSERT(state);
state = variablePacketLengthMode();
@ -293,7 +296,8 @@ int16_t Si443x::startReceive() {
this->mod->setRfSwitchState(Module::MODE_RX);
// set interrupt mapping
this->mod->SPIwriteRegister(RADIOLIB_SI443X_REG_INTERRUPT_ENABLE_1, RADIOLIB_SI443X_VALID_PACKET_RECEIVED_ENABLED | RADIOLIB_SI443X_CRC_ERROR_ENABLED);
uint8_t irq = this->crcEnabled ? (RADIOLIB_SI443X_VALID_PACKET_RECEIVED_ENABLED | RADIOLIB_SI443X_CRC_ERROR_ENABLED) : RADIOLIB_SI443X_VALID_PACKET_RECEIVED_ENABLED;
this->mod->SPIwriteRegister(RADIOLIB_SI443X_REG_INTERRUPT_ENABLE_1, irq);
this->mod->SPIwriteRegister(RADIOLIB_SI443X_REG_INTERRUPT_ENABLE_2, 0x00);
// set mode to receive
@ -654,6 +658,13 @@ int16_t Si443x::clearIrqFlags(uint32_t irq) {
return(RADIOLIB_ERR_NONE);
}
int16_t Si443x::setCRC(bool enable, bool mode) {
this->crcEnabled = enable;
uint8_t crcEn = enable ? RADIOLIB_SI443X_CRC_ON : RADIOLIB_SI443X_CRC_OFF;
uint8_t crcCfg = mode ? RADIOLIB_SI443X_CRC_IBM_CRC16 : RADIOLIB_SI443X_CRC_CCITT;
return(this->mod->SPIsetRegValue(RADIOLIB_SI443X_REG_DATA_ACCESS_CONTROL, crcEn | crcCfg, 2, 0));
}
Module* Si443x::getMod() {
return(this->mod);
}

9
src/modules/Si443x/Si443x.h
View file

@ -836,6 +836,14 @@ class Si443x: public PhysicalLayer {
*/
int16_t clearIrqFlags(uint32_t irq) override;
/*!
\brief Enables/disables CRC of transmitted or received packets.
\param enable Enable (true) or disable (false) CRC.
\param mode Set CRC mode
\returns \ref status_codes
*/
int16_t setCRC(bool enable, bool mode = false);
#if !RADIOLIB_GODMODE && !RADIOLIB_LOW_LEVEL
protected:
#endif
@ -858,6 +866,7 @@ class Si443x: public PhysicalLayer {
size_t packetLength = 0;
bool packetLengthQueried = false;
uint8_t packetLengthConfig = RADIOLIB_SI443X_FIXED_PACKET_LENGTH_ON;
bool crcEnabled = false;
bool findChip();
void clearIrqStatus();