eive/fsfw
eive/fsfw
15
1
Fork 0
forked from fsfw/fsfw
Code Issues Pull Requests Releases 1 Wiki Activity

additional comment

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
hal/src/fsfw_hal/linux/spi/SpiComIF.cpp
View File

@ -402,7 +402,8 @@ void SpiComIF::setSpiSpeedAndMode(int spiFd, spi::SpiModes mode, uint32_t speed)
utility::handleIoctlError("SpiComIF::setSpiSpeedAndMode: Setting SPI speed failed"); utility::handleIoctlError("SpiComIF::setSpiSpeedAndMode: Setting SPI speed failed");
} }
// This updates the SPI clock default polarity. Only setting the mode does not update // 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; clockUpdateTransfer.len = 0;
retval = ioctl(spiFd, SPI_IOC_MESSAGE(1), &clockUpdateTransfer); retval = ioctl(spiFd, SPI_IOC_MESSAGE(1), &clockUpdateTransfer);
if (retval != 0) { if (retval != 0) {