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This commit is contained in:
Robin Müller 2022-02-22 18:59:50 +01:00
parent e909c6b6f7
commit 2e230daa14
1 changed files with 2 additions and 1 deletions
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3
hal/src/fsfw_hal/linux/spi/SpiComIF.cpp
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@ -402,7 +402,8 @@ void SpiComIF::setSpiSpeedAndMode(int spiFd, spi::SpiModes mode, uint32_t speed)
utility::handleIoctlError("SpiComIF::setSpiSpeedAndMode: Setting SPI speed failed");
}
// This updates the SPI clock default polarity. Only setting the mode does not update
// the line state, which can be an issue on mode switches.
// the line state, which can be an issue on mode switches because the clock line will
// switch the state after the chip select is pulled low
clockUpdateTransfer.len = 0;
retval = ioctl(spiFd, SPI_IOC_MESSAGE(1), &clockUpdateTransfer);
if (retval != 0) {