andreika-git
/
rusefi
mirror of https://github.com/andreika-git/rusefi.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

pullup (#2348)

This commit is contained in:
Matthew Kennedy 2021-02-14 05:04:09 -08:00 committed by GitHub
parent 6ab7e151f1
commit 56b7db8e9c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
firmware/hw_layer/ports/stm32/stm32_common.cpp
View File

@ -675,7 +675,12 @@ void initSpiModule(SPIDriver *driver, brain_pin_e sck, brain_pin_e miso,
efiSetPadMode("SPI clock", sck, PAL_MODE_ALTERNATE(getSpiAf(driver)) | sckMode | PAL_STM32_OSPEED_HIGHEST); efiSetPadMode("SPI clock", sck, PAL_MODE_ALTERNATE(getSpiAf(driver)) | sckMode | PAL_STM32_OSPEED_HIGHEST);
efiSetPadMode("SPI master out", mosi, PAL_MODE_ALTERNATE(getSpiAf(driver)) | mosiMode | PAL_STM32_OSPEED_HIGHEST); efiSetPadMode("SPI master out", mosi, PAL_MODE_ALTERNATE(getSpiAf(driver)) | mosiMode | PAL_STM32_OSPEED_HIGHEST);
efiSetPadMode("SPI master in ", miso, PAL_MODE_ALTERNATE(getSpiAf(driver)) | misoMode | PAL_STM32_OSPEED_HIGHEST);
// Activate the internal pullup on MISO: SD cards indicate "busy" by holding MOSI low,
// so in case there is no SD card installed, the line could float low and indicate that
// the (non existent) card is busy. We pull the line high to indicate "not busy" in case
// of a missing card.
efiSetPadMode("SPI master in ", miso, PAL_MODE_ALTERNATE(getSpiAf(driver)) | misoMode | PAL_STM32_OSPEED_HIGHEST | PAL_STM32_PUPDR_PULLUP);
} }
void initSpiCs(SPIConfig *spiConfig, brain_pin_e csPin) { void initSpiCs(SPIConfig *spiConfig, brain_pin_e csPin) {