Robert Fisk
58308c4a89
Added Mozilla Public License information to file headers.
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Mozilla Public License v2.0 is compatible with the various licenses used
by ST and ARM.
9 years ago
Robert Fisk
08c8c7a6d6
Code tidyup - remove unused SPI Tx-only and Rx-only routines
9 years ago
Robert Fisk
ce03845623
Completed moving Upstream to interrupt-based SPI.
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Although I am not entirely convinced this is necessary, as the SPI data
stall issue only appeared with optimisation off (-O0). Perhaps re-visit
this if Upstream needs more free CPU time later...
9 years ago
Robert Fisk
b9cc31d036
Crazy hardware issues, about to revert Upstream SPI from DMA to
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interrupt transfers
9 years ago
Robert Fisk
48a6c2e2a4
Bugfixes for Downstream, including one in the USB host stack!
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Downstream now enumerates and accepts attached USB storage devices.
9 years ago
Robert Fisk
750c2f3a21
- Implement notification of Downstream USB device removal, and
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corresponding Upstream disconnection
- Improve Upstream handling of TxOk signal from Downstream
- Misc tweaks
9 years ago
Robert Fisk
f24714cd8c
Revisit Upstream project to:
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- Implement Upstream state machine, with Downstream-dependent device
emulation
- Add fault LED flashing
- Improve fault handling and freakouts
- Misc bug fixes
9 years ago
Robert Fisk
fc522bae0a
Added priority elevation to Downstream USB host processing code that
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interacts with SPI.
It elevates to USB_OTG priority to avoid preemption by SPI, DMA, or USB
interrupts thus avoiding synchronisation issues between USB host stack
and SPI interface.
Also minor improvements to Downstream error handling.
9 years ago
Robert Fisk
c1b2c191c4
Improved Downstream error handling:
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- More sensible handling of error cases on SPI interface
- Improved Freakout macros
- Implemented automatic fault LED blinking
9 years ago
Robert Fisk
0e1fed6047
Full implementation of Downstream MSC interface, including significant
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modifications to USB host MSC.
Also, minor tweaks to Upstream.
9 years ago
Robert Fisk
b9b6123642
Commit of Downstream before diving into USB MSC class driver
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modifications.
Also correct project settings to compile for Cortex M4 architecture.
9 years ago
Robert Fisk
674cb621a7
Initial implementation of Downstream SPI interface and state machine.
9 years ago
Robert Fisk
7b4e4b3c14
Continued polishing work on Downstream project.
9 years ago
Robert Fisk
503d79de56
Streamlining Downstream project
9 years ago
Robert Fisk
55c8a21aad
Initial commit of Downstream template project.
9 years ago