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RFM69_LowPowerLab
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Merge pull request #181 from strange-v/master 

ISR callback in a user space
This commit is contained in:
Felix Rusu 2022-07-18 19:22:14 -04:00 committed by GitHub
parent b65f6c4eb1 4b91c6c1b6
commit c0fc0f82c6
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 16 additions and 1 deletions
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14
RFM69.cpp
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@ -37,8 +37,10 @@ uint8_t RFM69::ACK_REQUESTED;
uint8_t RFM69::ACK_RECEIVED; // should be polled immediately after sending a packet with ACK request
int16_t RFM69::RSSI; // most accurate RSSI during reception (closest to the reception)
volatile bool RFM69::_haveData;
RFM69 *RFM69::_instance = nullptr;
RFM69::RFM69(uint8_t slaveSelectPin, uint8_t interruptPin, bool isRFM69HW_HCW, SPIClass *spi) {
_instance = this;
_slaveSelectPin = slaveSelectPin;
_interruptPin = interruptPin;
_mode = RF69_MODE_STANDBY;
@ -227,6 +229,12 @@ void RFM69::setNetwork(uint8_t networkID)
writeReg(REG_SYNCVALUE2, networkID);
}
//set user's ISR callback
void RFM69::setIsrCallback(void (*callback)())
{
_isrCallback = callback;
}
// Control transmitter output power (this is NOT a dBm value!)
// the power configurations are explained in the SX1231H datasheet (Table 10 on p21; RegPaLevel p66): http://www.semtech.com/images/datasheet/sx1231h.pdf
// valid powerLevel parameter values are 0-31 and result in a directly proportional effect on the output/transmission power
@ -446,7 +454,11 @@ void RFM69::interruptHandler() {
}
// internal function
ISR_PREFIX void RFM69::isr0() { _haveData = true; }
ISR_PREFIX void RFM69::isr0() {
_haveData = true;
if (_instance->_isrCallback)
_instance->_isrCallback();
}
// internal function
void RFM69::receiveBegin() {

3
RFM69.h
View File

@ -203,6 +203,7 @@ class RFM69 {
bool initialize(uint8_t freqBand, uint16_t ID, uint8_t networkID=1);
void setAddress(uint16_t addr);
void setNetwork(uint8_t networkID);
void setIsrCallback(void (*callback)());
virtual bool canSend();
virtual void send(uint16_t toAddress, const void* buffer, uint8_t bufferSize, bool requestACK=false);
virtual bool sendWithRetry(uint16_t toAddress, const void* buffer, uint8_t bufferSize, uint8_t retries=2, uint8_t retryWaitTime=RFM69_ACK_TIMEOUT);
@ -247,6 +248,7 @@ class RFM69 {
void interruptHandler();
virtual void interruptHook(uint8_t CTLbyte __attribute__((unused))) {};
static volatile bool _haveData;
static RFM69 *_instance;
virtual void sendFrame(uint16_t toAddress, const void* buffer, uint8_t size, bool requestACK=false, bool sendACK=false);
// for ListenMode sleep/timer
@ -260,6 +262,7 @@ class RFM69 {
uint8_t _powerLevel;
bool _isRFM69HW;
SPIClass *_spi;
void (*_isrCallback)() = nullptr;
#if defined (SPCR) && defined (SPSR)
uint8_t _SPCR;
uint8_t _SPSR;