This patch has no changes in function. It fixes three style issues
to be more readable and in line to the rest of the codebase:
- return types are declared on a separate line
- reversal of Yoda conditionals
- initialize for loop variable inside loop declaration
- Fix styling of pwm lookup doxygen
Signed-off-by: Tapani Utriainen <tapani@technexion.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
The Native PIO API provides both the libraries and headers for use with
the Android Things Peripheralanager client. This commit removes these
from the MRAA repo in favor of the FindAndroidThings.cmake provided by
the Native PIO API.
Signed-off-by: Noel Eck <noel.eck@intel.com>
This fixes#698 where an application will crash after calling mraa_deinit and
later closing calling deinit again because of the gcc destructor argument
introduced with cac8f7a
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
In the process of using the mraa mock platform to identify memory leaks
in UPM libraries. This commit fixes some non-critical places where
memory was getting lost in mraa.
Signed-off-by: Noel Eck <noel.eck@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
Variable 'dup' doesn't get freed correctly as the pointer to it changes
after 'strsep' function is used. Also 'token' variable doesn't need to
be freed as freeing the original 'dup' already frees the same memory.
Signed-off-by: Simo Kuusela <simo.kuusela@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
If we already have a subplatform present with the same type, return success
when trying to add it again. We don't check that the tty is the same because
that is hidden inside the t_firmata* structure but we should do at some point
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
Mock platform allows one to use mraa without having any real HW.
This commit makes necessary foundational changes and implements
GPIO functionality as well as adds respective tests.
Signed-off-by: Alex Tereschenko <alext.mkrs@gmail.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
Make better use of unsigned/signed ints, signed ints are preffered unless there
is a good reason not to.
Signed-off-by: Alexandru Timohi <alexandru.timohi@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
Enum was deprecated in 0.10.x and causes issues with strict C89 compliance so
is now removed
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit introduces support for Dallas Semiconductor (DS) 1-wire
compliant device support using an available UART device.
The principle of operation is described in the following Application
note by Maxim Electronics:
https://www.maximintegrated.com/en/app-notes/index.mvp/id/214
with help (1-wire search) from:
https://www.maximintegrated.com/en/app-notes/index.mvp/id/187
It has been tested on Galileo 2 and Edison, with 2 DS 1-wire devices,
the DS18B20 and DS2413 connected to the bus. A UPM driver for the
DS2413 is already complete and a PR will be submitted after this one.
It is important that you use a UART with CMOS/TTL level voltages
(3.3v/5v) RX and TX lines. DO NOT use standard RS232 level voltages
or you are going to have a bad day.
In order for this to work, a simple interface circuit, using a single
diode must be constructed:
(forgive my "Asciihematic" :)
-|
U|
A| TX---|<--+
R| |
T| RX-------o--------o 1-wire data bus
-|
The diode on TX is a 1N4148 (cheap and common), with the cathode
connected to TX, and the anode connected to RX and the 1-wire data
line.
The 1-wire data line requires a pull-up resistor, as the DS 1-wire
spec requires. 4.7-5K is typical for DS 1-wire buses.
NOTE: DHT-type (temp/humidity sensor) 1-wire devices ARE NOT DS 1-wire
compliant, and will not work with this code/circuit unfortunately.
Also note, this will use up one of your UARTs, which cannot be used
for any other purpose (ie: to access true UART-type serial devices).
You can however, connect as many DS 1-wire devices as feasible to this
UART, as it will function as a DS 1-wire bus master.
Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
