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SDEXTRASLOW for some SD card readers (PR#176)

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Add SDEXTRASLOW which runs the SD card at SPI_QUARTER_SPEED. Quarter speed is needed for RIGIDBOT_PANEL
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Mike Cochrane 2015-09-14 01:18:26 +12:00 • committed by Richard Wackerbarth
parent 5d65a36dee
commit 5e36b64635
19 changed files with 21 additions and 1 deletions
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Marlin/example_configurations/SCARA/Configuration.h
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@ -674,6 +674,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
//#define DOGLCD // Support for SPI LCD 128x64 (Controller ST7565R graphic Display Family)
//#define SDSUPPORT // Enable SD Card Support in Hardware Console
//#define SDSLOW // Use slower SD transfer mode (not normally needed - uncomment if you're getting volume init error)
//#define SDEXTRASLOW // Use even slower SD transfer mode (not normally needed - uncomment if you're getting volume init error)
//#define SD_CHECK_AND_RETRY // Use CRC checks and retries on the SD communication
//#define ENCODER_PULSES_PER_STEP 1 // Increase if you have a high resolution encoder
//#define ENCODER_STEPS_PER_MENU_ITEM 5 // Set according to ENCODER_PULSES_PER_STEP or your liking