Make the length parameter a `size_t` instead of a `intptr_t`.  A signed
value does not make any sense here and just leads to weird behavior if a
negative value is given nonetheless.

See issue card10/firmware#192

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

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

Philip Stewart authored 5 years ago and rahix committed 5 years ago

Fix two bugs in the display/gfx module:

1. The animation of the simple_menu used in the main menu had the issue
   that there is a black line visible at the top.  This is due the
   gfx_puts method ignoring lines, where the top pixel of the string is
   above the top of the screen.  As gfx_puts uses gfx_setpixel which in
   turn ignores pixels outside of the screen, remove the check in
   gfx_puts.
2. X and Y coordinates were cast to unsigned-ints before being given to
   the gfx-library which means calls like circ(0, -10, 30) would be draw
   at coordinates like [0,65526].  Fix this by changing the data-type of
   all coordinates to signed-integers.

Also remove the x and y ranges from the documentation of the individual
python functions and instead add a general documentation about the
screen and it's size/coordinate system.

Ferdinand Bachmann authored 5 years ago and rahix committed 5 years ago

Squashed commits:

e94f7bf9 epicardium/rtc: add monotonic time
e0691c6d pycardium/modules/utime.c: add bindings for monotonic time
756c13df epicardium/rtc: fix numerically unstable subsecond decoding

         the subsecond encoding function from epic_rtc_set_milliseconds
         and the corresponding decoding function from
         epic_rtc_get_milliseconds are not numerically stable.

         i.e., encoding 5 milliseconds to 20 subsecs and immediately
         afterwards decoding that yields 4 milliseconds.

         Adding a bias of 999 (0.24 milliseconds) to the decoding
         function makes it numerically stable, while never decoding any
         subsecond value to more than 999 milliseconds.

e99e278b epicardium/rtc: only poll time once for calculating monotonic_offset
18936b7e pycardium/modules/utime.c: run clang-format
869ac617 epicardium/rtc: add explanation comment for numerically stable subsecond decode

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

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

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

swym authored 5 years ago and rahix committed 5 years ago

closes #82

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

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

swym authored 5 years ago and rahix committed 5 years ago

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.

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

Minor edit to the docstrings of personal_state. Colors for the camp and communication states are now correct

0x31 - battery_current
0x32 - chargein_voltage
0x33 - chargein_current
0x34 - system_voltage
0x35 - thermistor_voltage