Diff: Utilities/LEDStatus.cpp

Revision:

1:f60eafbf009a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Utilities/LEDStatus.cpp	Wed Apr 10 14:56:25 2019 +0300
@@ -0,0 +1,128 @@
+/*******************************************************************************
+* Author: Shaun Kelsey, shaun.kelsey@maximintegrated.com
+* Copyright (C) 2018 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 "LEDStatus.h"
+#include "Peripherals.h"
+
+LEDStatus::LEDStatus(PinName red, int rstate, PinName green, int gstate, PinName blue, int bstate):
+	rLED(red, rstate), gLED(green, gstate), bLED(blue, bstate), blinking(false), timer()
+{
+}
+
+void LEDStatus::set_state(int rstate, int gstate, int bstate)
+{
+	r_act = rstate;
+	g_act = gstate;
+	b_act = bstate;
+
+	if (!blinking) {
+		rLED = r_act;
+		gLED = g_act;
+		bLED = b_act;
+	}
+}
+
+void LEDStatus::solid()
+{
+	blinking = false;
+	rLED = r_act;
+	gLED = g_act;
+	bLED = b_act;
+
+	timer.stop();
+}
+
+void LEDStatus::blink(int ontime, int offtime, int nb)
+{
+	ont_us = 1000 * ontime;
+	offt_us = 1000 * offtime;
+	count = 1;
+	total = nb;
+	blinking = true;
+
+	rLED = r_act;
+	gLED = g_act;
+	bLED = b_act;
+	bs = true;
+
+	timer.reset();
+	timer.start();
+}
+
+void LEDStatus::blink(int period, float duty, int nb)
+{
+	ont_us = 1000 * period * duty;
+	offt_us = (1000 * period) - ont_us;
+	count = 1;
+	total = nb;
+	blinking = true;
+
+	rLED = r_act;
+	gLED = g_act;
+	bLED = b_act;
+	bs = true;
+
+	timer.reset();
+}
+
+bool LEDStatus::is_blinking()
+{
+	return blinking;
+}
+
+void LEDStatus::update()
+{
+	uint64_t time = timer.read_high_resolution_us();
+	uint64_t frame_time = time % (ont_us + offt_us);
+
+	if (bs && (frame_time > ont_us)) {
+		bs = false;
+		rLED = LED_OFF;
+		gLED = LED_OFF;
+		bLED = LED_OFF;
+		count++;
+
+	} else if (!bs && (frame_time <= ont_us)) {
+		bs = true;
+		rLED = r_act;
+		gLED = g_act;
+		bLED = b_act;
+
+		if (total > 0 && count >= total) {
+			blinking = false;
+			timer.stop();
+		}
+	}
+}
+