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[LR11x0] Use dummy SPI transfer for wakeup

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This commit is contained in:
jgromes 2024-12-27 16:25:52 +00:00
parent c37015ef94
commit 9bff1582bd
1 changed files with 3 additions and 4 deletions
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7
src/modules/LR11x0/LR11x0.cpp
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@ -356,10 +356,9 @@ int16_t LR11x0::standby(uint8_t mode, bool wakeup) {
this->mod->setRfSwitchState(Module::MODE_IDLE); this->mod->setRfSwitchState(Module::MODE_IDLE);
if(wakeup) { if(wakeup) {
// pull NSS low for a while to wake up // send a NOP command - this pulls the NSS low to exit the sleep mode,
this->mod->hal->digitalWrite(this->mod->getCs(), this->mod->hal->GpioLevelLow); // while preventing interference with possible other SPI transactions
this->mod->hal->delay(1); (void)this->mod->SPIwriteStream(RADIOLIB_LR11X0_CMD_NOP, NULL, 0, false, false);
this->mod->hal->digitalWrite(this->mod->getCs(), this->mod->hal->GpioLevelHigh);
} }
uint8_t buff[] = { mode }; uint8_t buff[] = { mode };