Trinity Devboard PCB V1.0 Firmware. FreeRTOS is setup and the MCU reads IMU data over SPI fand Magnetometer data over I2C, each with a seperate task. Sensordata is then run though MadgwickAHRS and send over USB as serial packet data to use in trinity visualizer. Bare minimum functionality works and is replicated from the first prototype.

2026-09-13 19:51:03 +02:00
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+/**
+  ******************************************************************************
+  * @file    hrs.h
+  * @author  MCD Application Team
+  * @brief   Header for stm32xx_heartrate.c module
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2018-2021 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+
+
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __HRS_H
+#define __HRS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+  /* Includes ------------------------------------------------------------------*/
+  /* Exported types ------------------------------------------------------------*/
+  typedef enum
+  {
+    HRS_HRM_VALUE_FORMAT_UINT16 = 1,
+    HRS_HRM_SENSOR_CONTACTS_PRESENT = 2,
+    HRS_HRM_SENSOR_CONTACTS_SUPPORTED = 4,
+    HRS_HRM_ENERGY_EXPENDED_PRESENT = 8,
+    HRS_HRM_RR_INTERVAL_PRESENT = 0x10
+  } HRS_HrmFlags_t;
+
+  typedef enum
+  {
+    HRS_BODY_SENSOR_LOCATION_OTHER = 0,
+    HRS_BODY_SENSOR_LOCATION_CHEST = 1,
+    HRS_BODY_SENSOR_LOCATION_WRIST = 2,
+    HRS_BODY_SENSOR_LOCATION_FINGER = 3,
+    HRS_BODY_SENSOR_LOCATION_HAND = 4,
+    HRS_BODY_SENSOR_LOCATION_EAR_LOBE = 5,
+    HRS_BODY_SENSOR_LOCATION_FOOT = 6
+  } HRS_BodySensorLocation_t;
+
+  typedef enum
+  {
+    HRS_RESET_ENERGY_EXPENDED_EVT,
+    HRS_NOTIFICATION_ENABLED,
+    HRS_NOTIFICATION_DISABLED,
+    HRS_STM_BOOT_REQUEST_EVT,
+  } HRS_NotCode_t;
+  
+  typedef struct
+{
+  uint8_t * pPayload;
+  uint8_t     Length;
+}HRS_Data_t;  
+
+typedef struct
+{
+  HRS_NotCode_t             HRS_Evt_Opcode;
+  HRS_Data_t                DataTransfered;
+  uint16_t                  ConnectionHandle;
+  uint8_t                   ServiceInstance;
+}HRS_App_Notification_evt_t;
+
+  typedef struct{
+    uint16_t    MeasurementValue;
+#if (BLE_CFG_HRS_ENERGY_EXPENDED_INFO_FLAG == 1)
+    uint16_t    EnergyExpended;
+#endif
+#if (BLE_CFG_HRS_ENERGY_RR_INTERVAL_FLAG != 0)
+    uint16_t    aRRIntervalValues[BLE_CFG_HRS_ENERGY_RR_INTERVAL_FLAG + BLE_CFG_HRS_ENERGY_EXPENDED_INFO_FLAG];
+    uint8_t     NbreOfValidRRIntervalValues;
+#endif
+    uint8_t     Flags;
+  }HRS_MeasVal_t;
+
+  /* Exported constants --------------------------------------------------------*/
+  /* External variables --------------------------------------------------------*/
+  /* Exported macros -----------------------------------------------------------*/
+  /* Exported functions ------------------------------------------------------- */
+  void HRS_Init(void);
+  tBleStatus HRS_UpdateChar(uint16_t uuid, uint8_t *p_payload);
+  void HRS_Notification(HRS_App_Notification_evt_t *pNotification);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__HRS_H */
+
+