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ivankravets committed Nov 3, 2018
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29 changes: 22 additions & 7 deletions README.md
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Expand Up @@ -9,17 +9,32 @@ Lattice iCE40 are the first FPGAs fully usable by open source tools.

# Usage

1. [Install PlatformIO Core](http://docs.platformio.org/page/core.html)
2. Install Lattice iCE40 development platform:
1. [Install PlatformIO](http://platformio.org)
2. Create PlatformIO project and configure a platform option in [platformio.ini](http://docs.platformio.org/page/projectconf.html) file:

```bash
# install the latest stable version
> platformio platform install lattice_ice40
## Stable version

# install development version
> platformio platform install https://github.com/platformio/platform-lattice_ice40.git
```ini
[env:stable]
platform = lattice_ice40
board = ...
...
```

## Development version

```ini
[env:development]
platform = https://github.com/platformio/platform-lattice_ice40.git
board = ...
...
```

# Configuration

Please navigate to [documentation](http://docs.platformio.org/page/platforms/lattice_ice40.html).


# Credits

* [Apio](https://github.com/FPGAwars/apio)
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8 changes: 3 additions & 5 deletions boards/icestick.json
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Expand Up @@ -10,13 +10,11 @@
]
],
"mcu": "iCE40-HX1K-TQ144",
"pack": "tq144",
"size": "1k",
"type": "hx",
"pack": "tq144"
"type": "hx"
},
"frameworks": [
"icestorm"
],
"frameworks": [],
"name": "Lattice iCEstick FPGA Evaluation Kit",
"upload": {
"maximum_ram_size": 32768,
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8 changes: 3 additions & 5 deletions boards/icezum.json
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Expand Up @@ -10,13 +10,11 @@
]
],
"mcu": "iCE40-HX1K-TQ144",
"pack": "tq144",
"size": "1k",
"type": "hx",
"pack": "tq144"
"type": "hx"
},
"frameworks": [
"icestorm"
],
"frameworks": [],
"name": "IceZUM Alhambra FPGA",
"upload": {
"maximum_ram_size": 32768,
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13 changes: 10 additions & 3 deletions builder/main.py
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Expand Up @@ -24,22 +24,29 @@
from platform import system

from SCons.Script import (COMMAND_LINE_TARGETS, AlwaysBuild, Builder, Default,
DefaultEnvironment, Environment, Exit, GetOption,
DefaultEnvironment, Exit, GetOption,
Glob)

env = DefaultEnvironment()
pioPlatform = env.PioPlatform()

env.Replace(
PROGNAME='hardware',
UPLOADER='iceprog',
UPLOADERFLAGS=[],
UPLOADBINCMD='$UPLOADER $UPLOADERFLAGS $SOURCES')
env.Append(SIMULNAME='simulation')

if "Darwin" == system():
env.PrependENVPath(
"DYLD_LIBRARY_PATH",
join(pioPlatform.get_package_dir('toolchain-icestorm'), "lib")
)

# -- Target name for synthesis
TARGET = join(env['BUILD_DIR'], env['PROGNAME'])

# -- Resources paths
pioPlatform = env.PioPlatform()
IVL_PATH = join(
pioPlatform.get_package_dir('toolchain-iverilog'), 'lib', 'ivl')
VLIB_PATH = join(
Expand Down Expand Up @@ -126,7 +133,7 @@
# Builder: Arachne-pnr (.blif --> .asc)
#
pnr = Builder(
action='arachne-pnr -d {0} -P {1} -p {2} -o $TARGET $SOURCE'.format(
action='arachne-pnr -d {0} -P {1} -p "{2}" -o $TARGET $SOURCE'.format(
env.BoardConfig().get('build.size', '1k'),
env.BoardConfig().get('build.pack', 'tq144'),
PCF
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3 changes: 1 addition & 2 deletions examples/counter/.gitignore
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@@ -1,3 +1,2 @@
.pioenvs
.clang_complete
.gcc-flags.json
.piolibdeps
12 changes: 7 additions & 5 deletions examples/counter/.travis.yml
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@@ -1,20 +1,20 @@
# Continuous Integration (CI) is the practice, in software
# engineering, of merging all developer working copies with a shared mainline
# several times a day < http://docs.platformio.org/page/ci/index.html >
# several times a day < https://docs.platformio.org/page/ci/index.html >
#
# Documentation:
#
# * Travis CI Embedded Builds with PlatformIO
# < https://docs.travis-ci.com/user/integration/platformio/ >
#
# * PlatformIO integration with Travis CI
# < http://docs.platformio.org/page/ci/travis.html >
# < https://docs.platformio.org/page/ci/travis.html >
#
# * User Guide for `platformio ci` command
# < http://docs.platformio.org/page/userguide/cmd_ci.html >
# < https://docs.platformio.org/page/userguide/cmd_ci.html >
#
#
# Please choice one of the following templates (proposed below) and uncomment
# Please choose one of the following templates (proposed below) and uncomment
# it (remove "# " before each line) or use own configuration according to the
# Travis CI documentation (see above).
#
Expand All @@ -35,13 +35,14 @@
#
# install:
# - pip install -U platformio
# - platformio update
#
# script:
# - platformio run


#
# Template #2: The project is intended to by used as a library with examples
# Template #2: The project is intended to be used as a library with examples.
#

# language: python
Expand All @@ -60,6 +61,7 @@
#
# install:
# - pip install -U platformio
# - platformio update
#
# script:
# - platformio ci --lib="." --board=ID_1 --board=ID_2 --board=ID_N
39 changes: 39 additions & 0 deletions examples/counter/include/README
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@@ -0,0 +1,39 @@

This directory is intended for project header files.

A header file is a file containing C declarations and macro definitions
to be shared between several project source files. You request the use of a
header file in your project source file (C, C++, etc) located in `src` folder
by including it, with the C preprocessing directive `#include'.

```src/main.c

#include "header.h"

int main (void)
{
...
}
```

Including a header file produces the same results as copying the header file
into each source file that needs it. Such copying would be time-consuming
and error-prone. With a header file, the related declarations appear
in only one place. If they need to be changed, they can be changed in one
place, and programs that include the header file will automatically use the
new version when next recompiled. The header file eliminates the labor of
finding and changing all the copies as well as the risk that a failure to
find one copy will result in inconsistencies within a program.

In C, the usual convention is to give header files names that end with `.h'.
It is most portable to use only letters, digits, dashes, and underscores in
header file names, and at most one dot.

Read more about using header files in official GCC documentation:

* Include Syntax
* Include Operation
* Once-Only Headers
* Computed Includes

https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html
46 changes: 46 additions & 0 deletions examples/counter/lib/README
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@@ -0,0 +1,46 @@

This directory is intended for project specific (private) libraries.
PlatformIO will compile them to static libraries and link into executable file.

The source code of each library should be placed in a an own separate directory
("lib/your_library_name/[here are source files]").

For example, see a structure of the following two libraries `Foo` and `Bar`:

|--lib
| |
| |--Bar
| | |--docs
| | |--examples
| | |--src
| | |- Bar.c
| | |- Bar.h
| | |- library.json (optional, custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
| |
| |--Foo
| | |- Foo.c
| | |- Foo.h
| |
| |- README --> THIS FILE
|
|- platformio.ini
|--src
|- main.c

and a contents of `src/main.c`:
```
#include <Foo.h>
#include <Bar.h>

int main (void)
{
...
}

```

PlatformIO Library Dependency Finder will find automatically dependent
libraries scanning project source files.

More information about PlatformIO Library Dependency Finder
- https://docs.platformio.org/page/librarymanager/ldf.html
38 changes: 0 additions & 38 deletions examples/counter/lib/readme.txt

This file was deleted.

11 changes: 11 additions & 0 deletions examples/counter/test/README
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@@ -0,0 +1,11 @@

This directory is intended for PIO Unit Testing and project tests.

Unit Testing is a software testing method by which individual units of
source code, sets of one or more MCU program modules together with associated
control data, usage procedures, and operating procedures, are tested to
determine whether they are fit for use. Unit testing finds problems early
in the development cycle.

More information about PIO Unit Testing:
- https://docs.platformio.org/page/plus/unit-testing.html
3 changes: 1 addition & 2 deletions examples/leds/.gitignore
Original file line number Diff line number Diff line change
@@ -1,3 +1,2 @@
.pioenvs
.clang_complete
.gcc-flags.json
.piolibdeps
10 changes: 6 additions & 4 deletions examples/leds/.travis.yml
Original file line number Diff line number Diff line change
@@ -1,17 +1,17 @@
# Continuous Integration (CI) is the practice, in software
# engineering, of merging all developer working copies with a shared mainline
# several times a day < http://docs.platformio.org/page/ci/index.html >
# several times a day < https://docs.platformio.org/page/ci/index.html >
#
# Documentation:
#
# * Travis CI Embedded Builds with PlatformIO
# < https://docs.travis-ci.com/user/integration/platformio/ >
#
# * PlatformIO integration with Travis CI
# < http://docs.platformio.org/page/ci/travis.html >
# < https://docs.platformio.org/page/ci/travis.html >
#
# * User Guide for `platformio ci` command
# < http://docs.platformio.org/page/userguide/cmd_ci.html >
# < https://docs.platformio.org/page/userguide/cmd_ci.html >
#
#
# Please choose one of the following templates (proposed below) and uncomment
Expand All @@ -35,13 +35,14 @@
#
# install:
# - pip install -U platformio
# - platformio update
#
# script:
# - platformio run


#
# Template #2: The project is intended to by used as a library with examples
# Template #2: The project is intended to be used as a library with examples.
#

# language: python
Expand All @@ -60,6 +61,7 @@
#
# install:
# - pip install -U platformio
# - platformio update
#
# script:
# - platformio ci --lib="." --board=ID_1 --board=ID_2 --board=ID_N
39 changes: 39 additions & 0 deletions examples/leds/include/README
Original file line number Diff line number Diff line change
@@ -0,0 +1,39 @@

This directory is intended for project header files.

A header file is a file containing C declarations and macro definitions
to be shared between several project source files. You request the use of a
header file in your project source file (C, C++, etc) located in `src` folder
by including it, with the C preprocessing directive `#include'.

```src/main.c

#include "header.h"

int main (void)
{
...
}
```

Including a header file produces the same results as copying the header file
into each source file that needs it. Such copying would be time-consuming
and error-prone. With a header file, the related declarations appear
in only one place. If they need to be changed, they can be changed in one
place, and programs that include the header file will automatically use the
new version when next recompiled. The header file eliminates the labor of
finding and changing all the copies as well as the risk that a failure to
find one copy will result in inconsistencies within a program.

In C, the usual convention is to give header files names that end with `.h'.
It is most portable to use only letters, digits, dashes, and underscores in
header file names, and at most one dot.

Read more about using header files in official GCC documentation:

* Include Syntax
* Include Operation
* Once-Only Headers
* Computed Includes

https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html
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