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RFM69_LowPowerLab
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This commit is contained in:
LowPowerLab 2015-05-19 15:08:41 -04:00
parent 8873034e9c
commit 4b82e285b0
1 changed files with 17 additions and 5 deletions
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22
RFM69.cpp
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@ -168,16 +168,19 @@ void RFM69::setMode(uint8_t newMode)
_mode = newMode;
}
//put transceiver in sleep mode to save battery - to wake or resume receiving just call receiveDone()
void RFM69::sleep() {
setMode(RF69_MODE_SLEEP);
}
//set this node's address
void RFM69::setAddress(uint8_t addr)
{
_address = addr;
writeReg(REG_NODEADRS, _address);
}
//set this node's network id
void RFM69::setNetwork(uint8_t networkID)
{
writeReg(REG_SYNCVALUE2, networkID);
@ -263,6 +266,7 @@ void RFM69::sendACK(const void* buffer, uint8_t bufferSize) {
RSSI = _RSSI; // restore payload RSSI
}
// internal function
void RFM69::sendFrame(uint8_t toAddress, const void* buffer, uint8_t bufferSize, bool requestACK, bool sendACK)
{
setMode(RF69_MODE_STANDBY); // turn off receiver to prevent reception while filling fifo
@ -297,6 +301,7 @@ void RFM69::sendFrame(uint8_t toAddress, const void* buffer, uint8_t bufferSize,
setMode(RF69_MODE_STANDBY);
}
// internal function - interrupt gets called when a packet is received
void RFM69::interruptHandler() {
//pinMode(4, OUTPUT);
//digitalWrite(4, 1);
@ -338,8 +343,10 @@ void RFM69::interruptHandler() {
//digitalWrite(4, 0);
}
// internal function
void RFM69::isr0() { selfPointer->interruptHandler(); }
// internal function
void RFM69::receiveBegin() {
DATALEN = 0;
SENDERID = 0;
@ -354,6 +361,7 @@ void RFM69::receiveBegin() {
setMode(RF69_MODE_RX);
}
// checks if a packet was received and/or puts transceiver in receive (ie RX or listen) mode
bool RFM69::receiveDone() {
//ATOMIC_BLOCK(ATOMIC_FORCEON)
//{
@ -389,6 +397,7 @@ void RFM69::encrypt(const char* key) {
writeReg(REG_PACKETCONFIG2, (readReg(REG_PACKETCONFIG2) & 0xFE) | (key ? 1 : 0));
}
// get the received signal strength indicator (RSSI)
int16_t RFM69::readRSSI(bool forceTrigger) {
int16_t rssi = 0;
if (forceTrigger)
@ -419,7 +428,7 @@ void RFM69::writeReg(uint8_t addr, uint8_t value)
unselect();
}
// select the transceiver
// select the RFM69 transceiver (save SPI settings, set CS low)
void RFM69::select() {
noInterrupts();
// save current SPI settings
@ -432,7 +441,7 @@ void RFM69::select() {
digitalWrite(_slaveSelectPin, LOW);
}
// UNselect the transceiver chip
// unselect the RFM69 transceiver (set CS high, restore SPI settings)
void RFM69::unselect() {
digitalWrite(_slaveSelectPin, HIGH);
// restore SPI settings to what they were before talking to RFM69
@ -441,13 +450,14 @@ void RFM69::unselect() {
interrupts();
}
// ON = disable filtering to capture all frames on network
// OFF = enable node/broadcast filtering to capture only frames sent to this/broadcast address
// true = disable filtering to capture all frames on network
// false = enable node/broadcast filtering to capture only frames sent to this/broadcast address
void RFM69::promiscuous(bool onOff) {
_promiscuousMode = onOff;
//writeReg(REG_PACKETCONFIG1, (readReg(REG_PACKETCONFIG1) & 0xF9) | (onOff ? RF_PACKET1_ADRSFILTERING_OFF : RF_PACKET1_ADRSFILTERING_NODEBROADCAST));
}
// for RFM69HW only: you must call setHighPower(true) after initialize() or else transmission won't work
void RFM69::setHighPower(bool onOff) {
_isRFM69HW = onOff;
writeReg(REG_OCP, _isRFM69HW ? RF_OCP_OFF : RF_OCP_ON);
@ -457,18 +467,20 @@ void RFM69::setHighPower(bool onOff) {
writeReg(REG_PALEVEL, RF_PALEVEL_PA0_ON | RF_PALEVEL_PA1_OFF | RF_PALEVEL_PA2_OFF | _powerLevel); // enable P0 only
}
// internal function
void RFM69::setHighPowerRegs(bool onOff) {
writeReg(REG_TESTPA1, onOff ? 0x5D : 0x55);
writeReg(REG_TESTPA2, onOff ? 0x7C : 0x70);
}
// set the slave select (CS) pin
void RFM69::setCS(uint8_t newSPISlaveSelect) {
_slaveSelectPin = newSPISlaveSelect;
digitalWrite(_slaveSelectPin, HIGH);
pinMode(_slaveSelectPin, OUTPUT);
}
// for debugging
// Serial.print all the RFM69 register values
void RFM69::readAllRegs()
{
uint8_t regVal;