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Add new usb_cdcacm.h, which provides the virtual serial port API.
This file (and new usb_cdcacm.c) consolidate the VCOM support, which
was previously distributed through descriptors.[hc], usb.[hc],
usb_callbacks.[hc], and usb_config.h.
Add usb_init_usblib() to usb.h, as a way of initializing the USB
peripheral in terms of the data structures required by usb_lib. This
is used by the new usb_cdcacm_enable().
Create new usb_lib_globals.h, with declarations for the usb_lib global
state which is most used throughout the rest of the libmaple USB stack.
Remove descriptors.c and usb_callbacks.[hc]; they are no longer
necessary.
Update the USB README accordingly.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Remove usbPowerOn(), usbPowerOff() prototypes from usb.h. These
aren't used outside of the USB subsystem, so they don't belong here.
Move usbPowerOn() from usb.c to usb_callbacks.c. This is the only
place where it's used. Remove the unused usbPowerOff() (from usb.c)
altogether.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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These files contain a lot of duplicated and unused code. Move the
relevant pieces that need to survive into usb.c and usb_callbacks.c.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Replace calls to usbEnbISR()/usbDsbISR() with
nvic_irq_enable()/nvic_irq_disable(). Remove ST-style code. Use
nvic_sys_reset() instead of systemHardReset(). Rename some
conflicting #defines that including nvic.h created.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Signed-off-by: RJ Ryan <rryan@mit.edu>
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-Add -Wall, -Werror to libmaple/*
-Fix warnings
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Chose debug-serialusb version in cases of conflict.
Conflicts:
libmaple/usb/usb_callbacks.c
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no longer use a ring buffer. No longer double buffer a local rx buffer and the packet memory. Instead, we read out of packet memory and block it for all reads. This is going to be slower. but it tests OK (unlike the old one...).
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changed USB driver to nak whenever it cant fill an entire endpoint (64B) worth of new data. The old scheme was to set receive valid as long as as the endpoint buffer wasnt full, the new scheme is to nak until it is completely empty.
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current version gets stuck in the isr somewhere. not sure why or where. must debug.
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now we reset from recv bytes. After receiving the DTR/RTS toggle the next byte in from usb is parsed as the program_delay. For now, this just delays the reset for a period to close the serial port gracefully. Later, this delay will perhaps inform the bootloader of how long to live for...
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-updated examples
-removed HardwareUSB
-cleaned up a handful of includes
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also, removed some old usb file, bootVect.h, which setup the static table for the runtime usb lib that no longer exists and was provided by the bootloader rev 1
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