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[Pager] Added optional custom frequnecy shift

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This commit is contained in:
jgromes 2022-11-14 21:18:42 +01:00
parent 4667c26448
commit 00fc7cd5b9
2 changed files with 6 additions and 4 deletions
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7
src/protocols/Pager/Pager.cpp
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@ -19,7 +19,7 @@ PagerClient::PagerClient(PhysicalLayer* phy) {
_readBitInstance = _phy; _readBitInstance = _phy;
} }
int16_t PagerClient::begin(float base, uint16_t speed) { int16_t PagerClient::begin(float base, uint16_t speed, uint16_t shift) {
// calculate duration of 1 bit in us // calculate duration of 1 bit in us
_speed = (float)speed/1000.0f; _speed = (float)speed/1000.0f;
_bitDuration = (uint32_t)1000000/speed; _bitDuration = (uint32_t)1000000/speed;
@ -32,7 +32,8 @@ int16_t PagerClient::begin(float base, uint16_t speed) {
uint16_t step = round(_phy->getFreqStep()); uint16_t step = round(_phy->getFreqStep());
// calculate raw frequency shift // calculate raw frequency shift
_shift = RADIOLIB_PAGER_FREQ_SHIFT_HZ/step; _shiftHz = shift;
_shift = _shiftHz/step;
// initialize BCH encoder // initialize BCH encoder
encoderInit(); encoderInit();
@ -226,7 +227,7 @@ int16_t PagerClient::startReceive(RADIOLIB_PIN_TYPE pin, uint32_t addr, uint32_t
RADIOLIB_ASSERT(state); RADIOLIB_ASSERT(state);
// set frequency deviation to 4.5 khz // set frequency deviation to 4.5 khz
state = _phy->setFrequencyDeviation((float)RADIOLIB_PAGER_FREQ_SHIFT_HZ / 1000.0f); state = _phy->setFrequencyDeviation((float)_shiftHz / 1000.0f);
RADIOLIB_ASSERT(state); RADIOLIB_ASSERT(state);
// now set up the direct mode reception // now set up the direct mode reception

3
src/protocols/Pager/Pager.h
View file

@ -86,7 +86,7 @@ class PagerClient {
\returns \ref status_codes \returns \ref status_codes
*/ */
int16_t begin(float base, uint16_t speed); int16_t begin(float base, uint16_t speed, uint16_t shift = RADIOLIB_PAGER_FREQ_SHIFT_HZ);
/*! /*!
\brief Method to send a tone-only alert to a destination pager. \brief Method to send a tone-only alert to a destination pager.
@ -192,6 +192,7 @@ class PagerClient {
float _speed; float _speed;
uint32_t _baseRaw; uint32_t _baseRaw;
uint16_t _shift; uint16_t _shift;
uint16_t _shiftHz;
uint16_t _bitDuration; uint16_t _bitDuration;
uint32_t _readBatchPos; uint32_t _readBatchPos;
uint32_t _filterAddr; uint32_t _filterAddr;