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Fixes SPI bad chip select (#818)

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Temporary workaround for 2018v13 image.
This commit is contained in:
Thad House
2017-12-08 21:42:30 -08:00
committed by Peter Johnson
parent 8106fbdbea
commit b42285fddd
1 changed files with 9 additions and 0 deletions
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9
hal/src/main/native/athena/DigitalInternal.cpp
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@@ -99,6 +99,15 @@ void initializeDigital(int32_t* status) {
// SPI setup
spiSystem.reset(tSPI::create(status));
// Image 13 requires a SPI select and a strobe to enable SPI CS on MXP.
// Switch to SPI 1, strobe the signal, and then switch back to previous.
bool existingSelect = spiSystem->readAutoSPI1Select(status);
spiSystem->writeAutoSPI1Select(true, status);
spiSystem->strobeAutoForceOne(status);
// Delay enough time to actually trigger strobe
std::this_thread::sleep_for(std::chrono::milliseconds(50));
spiSystem->writeAutoSPI1Select(existingSelect, status);
digitalSystemsInitialized = true;
}