--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Discovery/Inc/cv_heartbeat.h	Mon Jul 28 18:34:45 2025 +0200
@@ -0,0 +1,101 @@
+///////////////////////////////////////////////////////////////////////////////
+/// -*- coding: UTF-8 -*-
+///
+/// \file   Discovery/Inc/cv_heartbeat.h
+/// \brief  Function definitions for connecting to a Polar HC10 heartbeat sensor
+/// \date   3 July 2025
+
+///////////////////////////////////////////////////////////////////////////////
+/// \par Copyright (c) 2014-2015 Heinrichs Weikamp gmbh
+///
+///     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 <http://www.gnu.org/licenses/>.
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef INC_CV_HEARTBEAT_H_
+#define INC_CV_HEARTBEAT_H_
+
+#include <stdint.h>
+
+
+#define BLUEMOD_ADDR_SIZE		(20u)		/* length of address respond */
+#define BLUEMOD_RSSI_SIZE		(5u)
+#define BLUEMOD_NAME_SIZE		(40u)
+
+void openEdit_Heartbeat(void);
+
+typedef enum
+{
+	NO_INDICATOR = 0,
+	DEVICE_INDICATOR,
+	CONNECTION_INDICATOR,
+	SERVICE_INDICATOR,
+	OK_INDICATOR,			/* module control */
+	ERROR_INDICATOR			/* module control */
+} indicatior_t;
+
+typedef enum
+{
+	BT_READ_NOTHING = 0,
+	BT_READ_DEVICE_ADDR,
+	BT_READ_DEVICE_RSSI,
+	BT_READ_DEVICE_NAME,
+	BT_READ_CON_DETAILS,
+	BT_READ_SERV_HANDLE,
+	BT_READ_SERV_START,
+	BT_READ_SERV_END,
+	BT_READ_SERV_UUID
+} readDataType_t;
+
+typedef enum
+ {
+	SENSOR_HB_OFFLINE = 0,		/* Default Status no data available  */
+	SENSOR_HB_ENABLE_BLE,
+	SENSOR_HB_CHECK_CONFIG,
+	SENSOR_HB_DISCOVER,
+	SENSOR_HB_CONNECT,
+	SENSOR_HB_SERVICES,
+	SENSOR_HB_RESTART,
+	SENSOR_HB_DETECTION_INDICATOR,		/* searching for indicators to identify data items */
+	SENSOR_HB_DETECTION_RSSI,
+	SENSOR_HB_DETECTION_NAME,
+	SENSOR_HB_DETECTION_MAN,
+	SENSOR_HB_DETECTION_UUID,
+	SENSOR_HB_FOUND,		/* A device providing the requested service was found */
+	SENSOR_HB_CONNECTED,	/* Connection to heartbeat sensor established */
+ 	SENSOR_HB_OFFLINEMODE,	/* Oflline measurement started */
+ } sensorHeartbeat_State_t;
+
+typedef struct
+{
+	uint8_t address[BLUEMOD_ADDR_SIZE];
+	uint8_t rssi[BLUEMOD_RSSI_SIZE];
+	uint8_t name[BLUEMOD_NAME_SIZE];
+} btDdeviceData_t;
+
+
+typedef struct
+{
+	uint8_t handle;
+	uint8_t start[6];
+	uint8_t end[6];
+	uint8_t uuid[50];
+} btDeviceService_t;
+
+
+
+sensorHeartbeat_State_t cv_heartbeat_getState();
+void refresh_Heartbeat(void);
+void cv_heartbeat_Control(void);
+
+#endif /* INC_CV_HEARTBEAT_H_ */