Diff: HSP/Devices/HspLed/HspLed/HspLed.cpp

Revision:

9:e4a06973e0a8

Parent:

0:8e4630a71eb1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HSP/Devices/HspLed/HspLed/HspLed.cpp	Mon Jul 09 17:40:02 2018 +0300
@@ -0,0 +1,144 @@
+/*******************************************************************************
+ * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
+ *
+ * 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 MAXIM INTEGRATED 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.
+ *
+ * Except as contained in this notice, the name of Maxim Integrated
+ * Products, Inc. shall not be used except as stated in the Maxim Integrated
+ * Products, Inc. Branding Policy.
+ *
+ * The mere transfer of this software does not imply any licenses
+ * of trade secrets, proprietary technology, copyrights, patents,
+ * trademarks, maskwork rights, or any other form of intellectual
+ * property whatsoever. Maxim Integrated Products, Inc. retains all
+ * ownership rights.
+ *******************************************************************************
+ */
+
+#include "HspLed.h"
+#include "Peripherals.h"
+
+void hspled_int_handler(void);
+
+//*******************************************************************************
+HspLed::HspLed(PinName ledPin) : 
+      redLed(LED_RED, 0), isStarted(false), timerIntervalLast(-1), timerInterval(500) {
+}
+
+
+//*******************************************************************************
+void HspLed::state(int state) { 
+  redLed.write(state); 
+}
+
+
+//*******************************************************************************
+void HspLed::toggle(void) { 
+  state(!redLed.read()); 
+}
+
+
+//*******************************************************************************
+void HspLed::setMode(eMode mode) { 
+  this->mode = mode; 
+}
+
+//*******************************************************************************
+void HspLed::blink(uint32_t mSeconds) {
+  mode = eLedPeriod;
+  this->timerInterval = (float)mSeconds / 1000.0f;
+  start();
+}
+
+//*******************************************************************************
+void HspLed::pattern(uint32_t bitPattern, uint32_t mSeconds) {
+  mode = eLedPattern;
+  this->bitPattern = bitPattern;
+  this->timerInterval = (float)mSeconds / 1000.0f;
+  start();
+}
+
+//*******************************************************************************
+void HspLed::on(void) {
+  mode = eLedOn;
+  state(HSP_LED_ON);
+  start();
+}
+
+
+//*******************************************************************************
+void HspLed::off(void) {
+  mode = eLedOff;
+  state(HSP_LED_OFF);
+  start();
+}
+
+
+//*******************************************************************************
+void HspLed::patternToLed(void) {
+  uint32_t bit;
+  bit = bitPattern & 1;
+  state(bit);
+  // rotate the pattern
+  bitPattern = bitPattern >> 1;
+  bitPattern = bitPattern | (bit << 31);
+}
+
+
+//*******************************************************************************
+void HspLed::service(void) {
+  switch (mode) {
+  case eLedOn:
+    state(HSP_LED_ON);
+    break;
+  case eLedOff:
+    state(HSP_LED_OFF);
+    break;
+  case eLedPeriod:
+    toggle();
+    break;
+  case eLedPattern:
+    patternToLed();
+    break;
+  }
+}
+
+//*******************************************************************************
+void HspLed::start(void) {
+  if (timerInterval != timerIntervalLast && isStarted == true) {
+    stop();
+  }
+  ticker.attach(&hspled_int_handler, timerInterval);
+  timerIntervalLast = timerInterval;
+
+  isStarted = true;
+}
+
+//*******************************************************************************
+void HspLed::stop(void) {
+  ticker.detach();
+  isStarted = false;
+}
+
+//*******************************************************************************
+void hspled_int_handler(void) {
+  HspLed *hspLed = Peripherals::hspLed();
+  hspLed->service();
+}
+