Diff: TestRGBLed.cpp

Revision:

2:2f4b7535ceb3

Child:

3:7ef908e84ae1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TestRGBLed.cpp	Thu Aug 28 09:36:13 2014 +0000
@@ -0,0 +1,157 @@
+/*
+ *  Copyright 2013 Embedded Artists AB
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+/******************************************************************************
+ * Includes
+ *****************************************************************************/
+
+#include "mbed.h"
+#include "TestRGBLed.h"
+
+/******************************************************************************
+ * Defines and typedefs
+ *****************************************************************************/
+
+#define LED_ON   0
+#define LED_OFF  1
+
+#define BUTTON_PRESSED   0
+#define BUTTON_RELEASED  1
+
+/******************************************************************************
+ * Public Functions
+ *****************************************************************************/
+
+TestRGBLed::TestRGBLed(PinName red, PinName green, PinName blue, PinName button) :
+    _redPin(red), _greenPin(green), _bluePin(blue), _button(button) {
+       
+    _button.mode(PullUp);
+}
+
+void TestRGBLed::showStartupPattern() {
+    // Have to create the DigitalOut instances here (as opposed to
+    // create them in the constructor) as some of the pins are shared 
+    // with other functionality on the LPC4088 Experiment Base Board
+    DigitalOut ledRed(_redPin);
+    DigitalOut ledGreen(_greenPin);
+    DigitalOut ledBlue(_bluePin);
+
+    ledRed = LED_OFF;
+    ledGreen = LED_OFF;
+    ledBlue = LED_OFF;
+
+    for(int i=0; i<10; i++)
+    {
+        ledRed = LED_ON;
+        wait(0.05);
+        ledRed = LED_OFF;
+        wait(0.05);
+    }
+    wait(0.5);
+    for(int i=0; i<10; i++)
+    {
+        ledGreen = LED_ON;
+        wait(0.05);
+        ledGreen = LED_OFF;
+        wait(0.05);
+    }
+    wait(0.5);
+    for(int i=0; i<10; i++)
+    {
+        ledBlue = LED_ON;
+        wait(0.05);
+        ledBlue = LED_OFF;
+        wait(0.05);
+    }
+    wait(0.5);    
+}
+
+void TestRGBLed::showStatus(bool success) {
+    // Have to create the DigitalOut instances here (as opposed to
+    // create them in the constructor) as some of the pins are shared 
+    // with other functionality on the LPC4088 Experiment Base Board
+    DigitalOut ledRed(_redPin);
+    DigitalOut ledGreen(_greenPin);
+    DigitalOut ledBlue(_bluePin);
+
+    ledRed = LED_OFF;
+    ledGreen = LED_OFF;
+    ledBlue = LED_OFF;
+    if (success) {
+        ledGreen = LED_ON;
+    } else {
+        ledRed = LED_ON;
+    }
+}
+
+void TestRGBLed::waitForButtonClick() {
+    // wait for button to be pressed
+    while(_button.read() == BUTTON_RELEASED);
+    
+    // small delay to avoid contact bounce
+    wait_ms(40);
+    
+    // wait for button to be released
+    while(_button.read() == BUTTON_PRESSED);
+}
+
+bool TestRGBLed::runTest() {
+    // Have to create the DigitalOut instances here (as opposed to
+    // create them in the constructor) as some of the pins are shared 
+    // with other functionality on the LPC4088 Experiment Base Board
+    DigitalOut ledRed(_redPin);
+    DigitalOut ledGreen(_greenPin);
+    DigitalOut ledBlue(_bluePin);
+
+    printf("LED Tests: All off. Press button to continue\n");
+    ledRed = LED_OFF;
+    ledGreen = LED_OFF;
+    ledBlue = LED_OFF;
+    waitForButtonClick();
+
+    printf("LED Tests: RED on. Press button to continue\n");
+    ledRed = LED_ON;
+    ledGreen = LED_OFF;
+    ledBlue = LED_OFF;
+    waitForButtonClick();
+
+    printf("LED Tests: GREEN on. Press button to continue\n");
+    ledRed = LED_OFF;
+    ledGreen = LED_ON;
+    ledBlue = LED_OFF;
+    waitForButtonClick();
+
+    printf("LED Tests: BLUE on. Press button to continue\n");
+    ledRed = LED_OFF;
+    ledGreen = LED_OFF;
+    ledBlue = LED_ON;
+    waitForButtonClick();
+
+    printf("LED Tests: All on. Press button to continue\n");
+    ledRed = LED_ON;
+    ledGreen = LED_ON;
+    ledBlue = LED_ON;
+    waitForButtonClick();
+
+    // Turn them off again
+    ledRed = LED_OFF;
+    ledGreen = LED_OFF;
+    ledBlue = LED_OFF;
+
+    return true;
+}
+
+