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Commit Graph

9 Commits

Author SHA1 Message Date
Stacey Sheldon
154d971d4d flash: don't call vTaskDelay() before OS init
PIOS_Flash_Jedec_EraseChip is called during early
init when the table_magic has changed.  This call
happens on CC/CC3D prior to the OS being initialized
so it is not OK to call vTaskDelay() yet.

This was leading to boards locking up (no flashing blue
LED) immediately after jumping to the application when
the table_magic had changed or was being init'd for the
very first time.
2012-06-24 12:23:34 -04:00
James Cotton
93b77becc0 More the system task priority down and increase the timeout for erasing the
flash so it says completed.  However, it still blocks the system for a long
time.  During an erase the heartbeat will flash at 10 Hz to indicate what's
happening.

This still blocks telemetry even after lowering hte system priority (and there
is a vTaskDelay) which makes me think that the SPI bus being locked is blocking
Sensors or somethign else.  This should not be permited when the system is
armed.

The reason the system locks up during the erase is that the file system
operations occur within the event dispatcher thread.  It is very bad practice
for anything to block this (i.e. callbacks should never take very long).  We
should probably move the object persistence handling into the system thread or
something but that can be a separate issue.
2012-06-11 12:03:32 -05:00
James Cotton
ad3d470f40 Flashfs and Flash: Add new function to write a series of blocks in one flash
write transaction to improve efficieny.
2012-01-26 12:39:35 -06:00
James Cotton
80705cdba1 Flash: Because on CC/CC3D the flash is initialized before FreeRTOS is started
we cannot use the transaction lock or the delay while saving.
2012-01-26 11:50:05 -06:00
James Cotton
4fc907ad0d Add a transaction semaphore to flash and flashfs to make sure multiple saves
or loads can't be attempted between threads
2012-01-26 11:36:07 -06:00
James Cotton
8b15fdd88b Flash: Add a vTaskDelay when waiting for flash operations to complete to
prevent blocking the bus from accels
2012-01-26 11:26:19 -06:00
James Cotton
e69a0937bc Flash: Wrote status instead of read it 2012-01-26 11:17:00 -06:00
James Cotton
6d572986e5 Flashfs: Clean up some of the JEDEC commands and also format whole chip when FS
is wrong.
2012-01-26 10:04:49 -06:00
James Cotton
0da20bb846 Flash: Because most of the commands are a JEDEC standard rename this file
pios_flash_jedec and abstract out the methods that can vary between chips.
2012-01-25 00:23:24 -06:00