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/LPC1768/fast_pwm.cpp | 39 +++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
create mode 100644 Marlin/src/HAL/LPC1768/fast_pwm.cpp
(limited to 'Marlin/src/HAL/LPC1768/fast_pwm.cpp')
diff --git a/Marlin/src/HAL/LPC1768/fast_pwm.cpp b/Marlin/src/HAL/LPC1768/fast_pwm.cpp
new file mode 100644
index 0000000..dd440b5
--- /dev/null
+++ b/Marlin/src/HAL/LPC1768/fast_pwm.cpp
@@ -0,0 +1,39 @@
+/**
+ * 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 .
+ *
+ */
+#ifdef TARGET_LPC1768
+
+#include "../../inc/MarlinConfigPre.h"
+
+#if NEEDS_HARDWARE_PWM // Specific meta-flag for features that mandate PWM
+
+#include
+
+void set_pwm_frequency(const pin_t pin, int f_desired) {
+ LPC176x::pwm_set_frequency(pin, f_desired);
+}
+
+void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size/*=255*/, const bool invert/*=false*/) {
+ LPC176x::pwm_write_ratio(pin, invert ? 1.0f - (float)v / v_size : (float)v / v_size);
+}
+
+#endif // NEEDS_HARDWARE_PWM
+#endif // TARGET_LPC1768
--
cgit v1.2.3