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[SX126x] Fixed wakeup sequence - NSS first, BUSY second (#69)

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This commit is contained in:
jgromes 2019-11-14 21:11:17 +01:00
parent 300e7f48fd
commit 3db5134367
1 changed files with 4 additions and 2 deletions
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6
src/modules/SX126x.cpp
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@ -1101,7 +1101,7 @@ int16_t SX126x::setTxParams(uint8_t power, uint8_t rampTime) {
// set PA config for optimal consumption as described in section 13-21 of the datasheet. // set PA config for optimal consumption as described in section 13-21 of the datasheet.
int16_t SX126x::setOptimalHiPowerPaConfig(int8_t * inOutPower) int16_t SX126x::setOptimalHiPowerPaConfig(int8_t * inOutPower)
{ {
// the final column of Table 13-21 suggests that the value passed in SetTxParams // the final column of Table 13-21 suggests that the value passed in SetTxParams
// is actually scaled depending on the parameters of setPaConfig. // is actually scaled depending on the parameters of setPaConfig.
// Testing confirms this is approximately right // Testing confirms this is approximately right
int16_t state; int16_t state;
@ -1297,6 +1297,9 @@ int16_t SX126x::SPItransfer(uint8_t* cmd, uint8_t cmdLen, bool write, uint8_t* d
uint8_t debugBuff[256]; uint8_t debugBuff[256];
#endif #endif
// pull NSS low
digitalWrite(_mod->getCs(), LOW);
// ensure BUSY is low (state meachine ready) // ensure BUSY is low (state meachine ready)
RADIOLIB_VERBOSE_PRINTLN(F("Wait for BUSY ... ")); RADIOLIB_VERBOSE_PRINTLN(F("Wait for BUSY ... "));
uint32_t start = millis(); uint32_t start = millis();
@ -1307,7 +1310,6 @@ int16_t SX126x::SPItransfer(uint8_t* cmd, uint8_t cmdLen, bool write, uint8_t* d
} }
// start transfer // start transfer
digitalWrite(_mod->getCs(), LOW);
spi->beginTransaction(spiSettings); spi->beginTransaction(spiSettings);
// send command byte(s) // send command byte(s)