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Also modifies the PMIC UI code to be more intuitive

swym authored Aug 28, 2019 and Rahix committed Aug 28, 2019

Adds simple config parser along with config_ API that:

- supports default values for options
- allows typed querying of config values
- types supported: boolean, integer, floating point and string

unknown options are ignored and LOG_WARNed on the console

swym authored Aug 24, 2019 and Rahix committed Aug 24, 2019

usb/epc_usb
====
Contains device-independent USB implementation, services MAXUSB stack
and is given the actual USB descriptors & callbacks on initialization.
Handles USB events and configures/deconfigures the device accordingly
during the USB setup procedure.

usb/mass_storage & cdcacm
====
Contain device-specific implementations, service MAXUSB's device class
APIs for cdcacm and mass storage.
Here, mass storage is independent of the underlying storage device.

modules/usb
====
Public apic_usb API, configuration and storage device management.
Defines the actual USB device descriptors and services the upc_usb API.

If we want to add SD card functionality, this would be the place to add
it.

Related to #20.
Signed-off-by: Rahix <rahix@rahix.de>

chris007 authored Aug 22, 2019 and Rahix committed Aug 22, 2019

Integrated the BME680 Sensor as Python module.  Performs a single read of
temperature (°C), humidity (% r.h.), air pressure (hPa) and gas resistance
(Ohm).

This includes a new RTOS task to animate the personal state LED
independently of pycardium. While the animation is running pycardium
can't control the personal state LED.

Signed-off-by: Rahix <rahix@rahix.de>

Co-authored-by: fleur <spacecarrot@fleurshax.net>
Signed-off-by: Rahix <rahix@rahix.de>

This commit introduces a lifecycle for core 1.  Based on the new loading
system, a few APIs are made available to control the payload running on
core 1.  These are:

1. From core 1 (Pycardium, L0dable):

    - `epic_exec(name)` API Call:  Request loading of a new payload by
      name.  If the file does not exist, the call will return with an
      error code.  Otherwise, control will go to the new payload.
    - `epic_exit(retcode)` API Call:  Return from payload
      unconditionally.  This call should be called whenever a payload is
      done or when it has hit an unrecoverable error.  On `epic_exit`,
      Epicardium will reset the core back into the menu.

2. From inside Epicardium:

    - `epic_exec(name)`: This is **not** the same as the API call, as it
      needs a different implementation underneath.  It will load a new
      payload and wait until this load actually completed (synchroneous).
    - `return_to_menu()`: Return core 1 to the menu script no matter
      what it is currently doing.  This call is asynchroneous and will
      return immediately after scheduling the lifecycle task.  This task
      will then take care of actually performing the load.
Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>

Also add a mutex around API calls in preparation for future changes.
Signed-off-by: Rahix <rahix@rahix.de>

swym authored Aug 09, 2019 and Rahix committed Aug 09, 2019

- Implement de-initialization
- Wrap filesystem operations in semaphore
- Introduce EpicFileSystem object and move epic_file_FOO(...)
  imlementations into efs_FOO(EpicFileSystem*, ...) functions.
- epic_file_FOO(...) functions are now wrappers around the _fs_
  functions, but lock and unlock the global filesystem object before &
  after calls.  This way, all efs_ functions can assume that the
  necessary lock has been acquired.
- libff: don't use FF_FS_REENTRANT, our own FS lock is enough

Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>

Closes #41
Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>