From e8701195e66f2d27ffe17fb514eae8173795aaf7 Mon Sep 17 00:00:00 2001
From: Georgiy Bondarenko <69736697+nehilo@users.noreply.github.com>
Date: Thu, 4 Mar 2021 22:54:23 +0500
Subject: Initial commit
---
Marlin/src/HAL/ESP32/Servo.h | 49 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 49 insertions(+)
create mode 100644 Marlin/src/HAL/ESP32/Servo.h
(limited to 'Marlin/src/HAL/ESP32/Servo.h')
diff --git a/Marlin/src/HAL/ESP32/Servo.h b/Marlin/src/HAL/ESP32/Servo.h
new file mode 100644
index 0000000..8542092
--- /dev/null
+++ b/Marlin/src/HAL/ESP32/Servo.h
@@ -0,0 +1,49 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
+ */
+#pragma once
+
+#include
+
+class Servo {
+ static const int MIN_ANGLE = 0,
+ MAX_ANGLE = 180,
+ MIN_PULSE_WIDTH = 544, // Shortest pulse sent to a servo
+ MAX_PULSE_WIDTH = 2400, // Longest pulse sent to a servo
+ TAU_MSEC = 20,
+ TAU_USEC = (TAU_MSEC * 1000),
+ MAX_COMPARE = _BV(16) - 1, // 65535
+ CHANNEL_MAX_NUM = 16;
+
+public:
+ Servo();
+ int8_t attach(const int pin); // attach the given pin to the next free channel, set pinMode, return channel number (-1 on fail)
+ void detach();
+ void write(int degrees); // set angle
+ void move(const int degrees); // attach the servo, then move to value
+ int read(); // returns current pulse width as an angle between 0 and 180 degrees
+
+private:
+ static int channel_next_free;
+ int channel;
+ int pin;
+ int degrees;
+};
--
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