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Fix race conditions during sleep/wakeup, where SPI/TWI could be disabled while transaction were in progress (https://github.com/JF002/Pinetime/issues/60).

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JF 2020-09-13 21:26:44 +02:00
parent d757344f1b
commit 20f5b0ffba
3 changed files with 34 additions and 18 deletions
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4
src/drivers/TwiMaster.cpp
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@ -140,9 +140,11 @@ void TwiMaster::Write(uint8_t deviceAddress, const uint8_t *data, size_t size, b
}
void TwiMaster::Sleep() {
while(twiBaseAddress->ENABLE != 0) {
twiBaseAddress->ENABLE = (TWIM_ENABLE_ENABLE_Disabled << TWIM_ENABLE_ENABLE_Pos);
}
nrf_gpio_cfg_default(6);
nrf_gpio_cfg_default(7);
twiBaseAddress->ENABLE = 0;
NRF_LOG_INFO("[TWIMASTER] Sleep");
}