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RFM69_LowPowerLab
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Declare RFM69 interrupt with SPI.usingInterrupt() 

This interrupt is then masked during SPI transactions of other
code/libraries that use SPI transactions, to prevent the RFM69
interrupt handler (which does SPI transfers) preempting other SPI
transfers.
This commit is contained in:
Mark Bergsma 2016-06-11 11:10:46 +02:00
parent ea02e14b57
commit bc0665b018
1 changed files with 3 additions and 0 deletions
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3
RFM69.cpp
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@ -91,6 +91,9 @@ bool RFM69::initialize(uint8_t freqBand, uint8_t nodeID, uint8_t networkID)
digitalWrite(_slaveSelectPin, HIGH); digitalWrite(_slaveSelectPin, HIGH);
pinMode(_slaveSelectPin, OUTPUT); pinMode(_slaveSelectPin, OUTPUT);
SPI.begin(); SPI.begin();
#ifdef SPI_HAS_TRANSACTION
SPI.usingInterrupt(_interruptNum);
#endif
unsigned long start = millis(); unsigned long start = millis();
uint8_t timeout = 50; uint8_t timeout = 50;
do writeReg(REG_SYNCVALUE1, 0xAA); while (readReg(REG_SYNCVALUE1) != 0xaa && millis()-start < timeout); do writeReg(REG_SYNCVALUE1, 0xAA); while (readReg(REG_SYNCVALUE1) != 0xaa && millis()-start < timeout);