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usb and sdcard sharing improvements

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* Add traceback after watchdog timeout

Add the cpability to perform a traceback following a watchdog timeout.

* Enhanced hardware SPI

Allow use of either SSP0 or SSP1.
Ensure that no data is left in I/O buffers after calls to enable sharing of SSP hardware.

* Make flash emulation of eeprom the default

Make use of flash for eeprom storage the default. This means that usage of eeprom will not cause USB drive mount/unmount operations.

* Allow sharing of SD card

SD card I/O operations from the USB stack take place in idle loop, rather than at interrupt time. Allowing sharing of the SPI bus.

New configuration options to allow usage of the SD card to be specified.

* Fix problem with hardware SPI pins
This commit is contained in:
Andy Shaw
2018-09-19 18:33:20 +01:00
committed by Christopher Pepper
parent 5ddf52d58e
commit 870bfd08f5
14 changed files with 527 additions and 77 deletions
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3
Marlin/src/HAL/HAL_LPC1768/spi_pins.h
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@ -50,7 +50,8 @@
#ifndef SS_PIN
#define SS_PIN P1_23
#endif
#ifndef SDSS
#if !defined(SDSS) || SDSS == P_NC // get defaulted in pins.h
#undef SDSS
#define SDSS SS_PIN
#endif