diff --git a/sysmoOCTSIM/hpl/pm/hpl_pm.c b/sysmoOCTSIM/hpl/pm/hpl_pm.c
new file mode 100644
index 0000000..55dc4db
--- /dev/null
+++ b/sysmoOCTSIM/hpl/pm/hpl_pm.c
@@ -0,0 +1,68 @@
+
+/**
+ * \file
+ *
+ * \brief SAM Power manager
+ *
+ * Copyright (c) 2016-2018 Microchip Technology Inc. and its subsidiaries.
+ *
+ * \asf_license_start
+ *
+ * \page License
+ *
+ * Subject to your compliance with these terms, you may use Microchip
+ * software and any derivatives exclusively with Microchip products.
+ * It is your responsibility to comply with third party license terms applicable
+ * to your use of third party software (including open source software) that
+ * may accompany Microchip software.
+ *
+ * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
+ * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
+ * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
+ * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
+ * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
+ * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
+ * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
+ * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE.  TO THE FULLEST EXTENT
+ * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
+ * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
+ * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
+ *
+ * \asf_license_stop
+ *
+ */
+
+#include <hpl_sleep.h>
+#include <hpl_init.h>
+
+/**
+ * \brief Set the sleep mode for the device
+ */
+int32_t _set_sleep_mode(const uint8_t mode)
+{
+	uint8_t delay = 10;
+
+	switch (mode) {
+	case 2:
+	case 4:
+	case 5:
+	case 6:
+	case 7:
+		hri_pm_write_SLEEPCFG_reg(PM, mode);
+		/* A small latency happens between the store instruction and actual
+		 * writing of the SLEEPCFG register due to bridges. Software has to make
+		 * sure the SLEEPCFG register reads the wanted value before issuing WFI
+		 * instruction.
+		 */
+		do {
+			if (hri_pm_read_SLEEPCFG_reg(PM) == mode) {
+				break;
+			}
+		} while (--delay);
+		break;
+	default:
+		return ERR_INVALID_ARG;
+	}
+
+	return ERR_NONE;
+}