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    otp.c
+  * @author  MCD Application Team
+  * @brief   OTP manager
+  ******************************************************************************
+  * @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.
+  *
+  ******************************************************************************
+  */
+
+
+/* Includes ------------------------------------------------------------------*/
+#include "utilities_common.h"
+
+#include "otp.h"
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private defines -----------------------------------------------------------*/
+/* Private macros ------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Global variables ----------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Functions Definition ------------------------------------------------------*/
+
+uint8_t * OTP_Read( uint8_t id )
+{
+  uint8_t *p_id;
+
+  p_id = (uint8_t*)(CFG_OTP_END_ADRESS - 7) ;
+
+  while( ((*( p_id + 7 )) != id) && ( p_id != (uint8_t*)CFG_OTP_BASE_ADDRESS) )
+  {
+    p_id -= 8 ;
+  }
+
+  if((*( p_id + 7 )) != id)
+  {
+    p_id = 0 ;
+  }
+
+  return p_id ;
+}
+
+