From a853733f61d79bedcacc97c45b24571293882e82 Mon Sep 17 00:00:00 2001 From: Jon Trulson Date: Tue, 13 Jan 2015 14:01:28 -0700 Subject: [PATCH] my9221: Add C++ and JS examples These were tested on the Grove LED Bar. Signed-off-by: Jon Trulson Signed-off-by: Zion Orent Signed-off-by: John Van Drasek --- examples/CMakeLists.txt | 3 ++ examples/javascript/my9221.js | 73 ++++++++++++++++++++++++++++++++ examples/my9221.cxx | 78 +++++++++++++++++++++++++++++++++++ 3 files changed, 154 insertions(+) create mode 100644 examples/javascript/my9221.js create mode 100644 examples/my9221.cxx diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt index 8c6edec3..9d9ec10e 100644 --- a/examples/CMakeLists.txt +++ b/examples/CMakeLists.txt @@ -74,6 +74,7 @@ add_executable (mq303a-example mq303a.cxx) add_executable (grovespeaker-example grovespeaker.cxx) add_executable (rfr359f-example rfr359f.cxx) add_executable (biss0001-example biss0001.cxx) +add_executable (my9221-example my9221.cxx) include_directories (${PROJECT_SOURCE_DIR}/src/hmc5883l) include_directories (${PROJECT_SOURCE_DIR}/src/grove) @@ -135,6 +136,7 @@ include_directories (${PROJECT_SOURCE_DIR}/src/mq303a) include_directories (${PROJECT_SOURCE_DIR}/src/grovespeaker) include_directories (${PROJECT_SOURCE_DIR}/src/rfr359f) include_directories (${PROJECT_SOURCE_DIR}/src/biss0001) +include_directories (${PROJECT_SOURCE_DIR}/src/my9221) target_link_libraries (hmc5883l-example hmc5883l ${CMAKE_THREAD_LIBS_INIT}) target_link_libraries (groveled-example grove ${CMAKE_THREAD_LIBS_INIT}) @@ -212,3 +214,4 @@ target_link_libraries (mq303a-example mq303a ${CMAKE_THREAD_LIBS_INIT}) target_link_libraries (grovespeaker-example grovespeaker ${CMAKE_THREAD_LIBS_INIT}) target_link_libraries (rfr359f-example rfr359f ${CMAKE_THREAD_LIBS_INIT}) target_link_libraries (biss0001-example biss0001 ${CMAKE_THREAD_LIBS_INIT}) +target_link_libraries (my9221-example my9221 ${CMAKE_THREAD_LIBS_INIT}) diff --git a/examples/javascript/my9221.js b/examples/javascript/my9221.js new file mode 100644 index 00000000..1f74dcd2 --- /dev/null +++ b/examples/javascript/my9221.js @@ -0,0 +1,73 @@ +/*jslint node:true, vars:true, bitwise:true, unparam:true */ +/*jshint unused:true */ +/* +* Author: Zion Orent +* Copyright (c) 2015 Intel Corporation. +* +* Permission is hereby granted, free of charge, to any person obtaining +* a copy of this software and associated documentation files (the +* "Software"), to deal in the Software without restriction, including +* without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to +* permit persons to whom the Software is furnished to do so, subject to +* the following conditions: +* +* The above copyright notice and this permission notice shall be +* included in all copies or substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +var LEDBar = require("jsupm_my9221"); + +// Instantiate a MY9221, we use D2 for the data, and D3 for the +// data clock. This was tested with a Grove LED bar. +var myLEDBar = new LEDBar.MY9221(2, 3); + +var directionBool = true; + +// A note on timing: +// In the C++ example, the system sleeps 10 times for 50 milliseconds +// between each LED lighting. After the LED has reached the last light +// of the cycle, the system sleeps again for 1 second. +// The sleeps are cumulative, so the system has slept for 1.5 seconds +// sum total for each cycle. +// setInterval and setTimeout make asynchronous function calls; +// they aren't cumulative. +// In order to approximate the behavior of the C++ example, we need +// to call each iteration 1.5 seconds apart instead of 1 second apart. +var myInterval = setInterval(function() +{ + // start showing LED strip with just the first one lit + show_LED(1, directionBool); +}, (1000 + (10*50)) ); + +function show_LED(level, direction) +{ + // If it's less than 10 + // light up the LED now + // call show_LED again in 50 ms + if (level <= 10) + { + myLEDBar.setBarLevel(level, directionBool); + setTimeout(show_LED, 50, ++level, directionBool); + } + // Switch LED lighting directions between lighting cycles + else + directionBool = !directionBool; +} + +// When exiting: clear LED strip lights, clear interval, print exit message +process.on('SIGINT', function() +{ + myLEDBar.setBarLevel(0, true); + clearInterval(myInterval); + console.log("Exiting..."); + process.exit(0); +}); diff --git a/examples/my9221.cxx b/examples/my9221.cxx new file mode 100644 index 00000000..a478e01b --- /dev/null +++ b/examples/my9221.cxx @@ -0,0 +1,78 @@ +/* + * Author: Jon Trulson + * Copyright (c) 2015 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include +#include +#include +#include "my9221.h" + +using namespace std; + +int shouldRun = true; + +void sig_handler(int signo) +{ + if (signo == SIGINT) + shouldRun = false; +} + + +int main () +{ + signal(SIGINT, sig_handler); + +//! [Interesting] + + // Instantiate a MY9221, we use D2 for the data, and D3 for the + // data clock. This was tested with a Grove LED bar. + + upm::MY9221* bar = new upm::MY9221(2, 3); + + while (shouldRun) + { + // count up from green to red + for (int i=1; i<=10; i++) + { + bar->setBarLevel(i, true); + usleep(50000); + } + sleep(1); + + // count down from red to green + for (int i=1; i<=10; i++) + { + bar->setBarLevel(i, false); + usleep(50000); + } + sleep(1); + } +//! [Interesting] + + cout << "Exiting..." << endl; + // turn off the LED's + bar->setBarLevel(0, true); + + delete bar; + return 0; +}