Wireless Firmware Code

gistfile1.txt

/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 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.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"


/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "note.h"
#include "n_atof.c"
#include "n_b64.c"
#include "n_cjson.c"
#include "n_cjson_helpers.c"
#include "n_const.c"
#include "n_ftoa.c"
#include "n_helpers.c"
#include "n_hooks.c"
#include "n_i2c.c"
#include "n_md5.c"
#include "n_printf.c"
#include "n_request.c"
#include "n_serial.c"
#include "n_str.c"
#include "n_ua.c"
#include "n_lib.h"

/* USER CODE END Includes */


/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
#define myProductID "REMOVED PRODUCT UID FOR FORUM PURPOSES"
#define OUTBOUND_SYNC_INTERVAL 5
#define HUB_SET_TIMEOUT 5
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
I2C_HandleTypeDef hi2c1;

TIM_HandleTypeDef htim16;

/* USER CODE BEGIN PV */
bool i2c1Initialized = false;


/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_TIM16_Init(void);
static void MX_I2C1_Init(void);
static void MX_I2C1_DeInit(void);
void delay(uint32_t ms);
long unsigned int millis(void);
int NotecardI2C(void);
int initNotecard(void);
bool noteI2CReset(uint16_t DevAddress);
const char *noteI2CTransmit(uint16_t DevAddress, uint8_t* pBuffer, uint16_t Size);
const char *noteI2CReceive(uint16_t DevAddress, uint8_t* pBuffer, uint16_t Size, uint32_t *avail);
/* USER CODE BEGIN PFP */
int initNotecard(void){
    J *req = NoteNewRequest("hub.set");
    if (myProductID[0]) {
       JAddStringToObject(req, "product", myProductID); 
    }
    JAddStringToObject(req, "mode", "periodic");
    // Sync outbound data every OUTBOUND_SYNC_INTERVAL minutes. Alarm notes will
    // still be synced immediately.
    JAddNumberToObject(req, "outbound", OUTBOUND_SYNC_INTERVAL);
    JAddBoolToObject(req, "sync", true);
    // The hub.set request may fail if it's sent shortly after power up. We use
    // NoteRequestWithRetry to give it a chance to succeed.
    NoteRequest(req);
    return 0;
}

int NotecardI2C(void){
	// Initialize note-c references.
	    NoteSetFn(malloc, free, delay, millis);
	    //NoteSetFnDebugOutput(noteLogPrint);
	    //NoteSetFnMutex(lockNotecard, unlockNotecard, lockNotecard, unlockNotecard);
	    NoteSetFnI2C(NOTE_I2C_ADDR_DEFAULT, NOTE_I2C_MAX_DEFAULT, noteI2CReset,
	                 noteI2CTransmit, noteI2CReceive);
	    return 1;
}
/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

void delay(uint32_t ms) {
    HAL_Delay(ms);
}

// Get the number of app milliseconds since boot (this will wrap)
long unsigned int millis() {
    return (long unsigned int) HAL_GetTick();
}
// I2C reset procedure, called before any I/O and called again upon I/O error
bool noteI2CReset(uint16_t DevAddress) {
    MX_I2C1_DeInit();
    MX_I2C1_Init();

    return true;
}

// Transmits in master mode an amount of data, in blocking mode.     The address
// is the actual address; the caller should have shifted it right so that the
// low bit is NOT the read/write bit. An error message is returned, else NULL if success.
const char *noteI2CTransmit(uint16_t DevAddress, uint8_t* pBuffer, uint16_t Size) {
    char *errstr = NULL;
    int writelen = sizeof(uint8_t) + Size;
    uint8_t *writebuf = malloc(writelen);
    if (writebuf == NULL) {
        errstr = "i2c: insufficient memory (write)";
    } else {
        writebuf[0] = Size;
        memcpy(&writebuf[1], pBuffer, Size);
        HAL_StatusTypeDef err_code = HAL_I2C_Master_Transmit(&hi2c1, DevAddress<<1, writebuf, writelen, 250);
        free(writebuf);
        if (err_code != HAL_OK) {
            errstr = "i2c: HAL_I2C_Master_Transmit error";
        }
    }
    return errstr;
}

// Receives in master mode an amount of data in blocking mode. An error mesage returned, else NULL if success.
const char *noteI2CReceive(uint16_t DevAddress, uint8_t* pBuffer, uint16_t Size, uint32_t *available) {
    const char *errstr = NULL;
    HAL_StatusTypeDef err_code;

    // Retry transmit errors several times, because it's harmless to do so
    for (int i=0; i<3; i++) {
        uint8_t hdr[2];
        hdr[0] = (uint8_t) 0;
        hdr[1] = (uint8_t) Size;
        HAL_StatusTypeDef err_code = HAL_I2C_Master_Transmit(&hi2c1, DevAddress<<1, hdr, sizeof(hdr), 250);
        if (err_code == HAL_OK) {
            errstr = NULL;
            break;
        }
        errstr = "i2c: HAL_I2C_Master_Transmit error";
    }

    // Only receive if we successfully began transmission
    if (errstr == NULL) {

        int readlen = Size + (sizeof(uint8_t)*2);
        uint8_t *readbuf = malloc(readlen);
        if (readbuf == NULL) {
            errstr = "i2c: insufficient memory (read)";
        } else {
            err_code = HAL_I2C_Master_Receive(&hi2c1, DevAddress<<1, readbuf, readlen, 10);
            if (err_code != HAL_OK) {
                errstr = "i2c: HAL_I2C_Master_Receive error";
            } else {
                uint8_t availbyte = readbuf[0];
                uint8_t goodbyte = readbuf[1];
                if (goodbyte != Size) {
                    errstr = "i2c: incorrect amount of data";
                } else {
                    *available = availbyte;
                    memcpy(pBuffer, &readbuf[2], Size);
                }
            }
            free(readbuf);
        }
    }

    // Done
    return errstr;

}

int getNotecardDiagnostic(void){

	double temperature = 0;
	    J *rsp = NoteRequestResponse(NoteNewRequest("card.temp"));
	    if (rsp != NULL) {
	        temperature = JGetNumber(rsp, "value");
	        NoteDeleteResponse(rsp);
	    }
    // Do the same to retrieve the voltage that is detected by the Notecard on its V+ pin.
    double voltage = 0;
    rsp = NoteRequestResponse(NoteNewRequest("card.voltage"));
    if (rsp != NULL) {
        voltage = JGetNumber(rsp, "value");
        NoteDeleteResponse(rsp);
    }

    // Enqueue the measurement to the Notecard for transmission to the Notehub, adding the "start"
    // flag for demonstration purposes to upload the data instantaneously, so that if you are looking
    // at this on notehub.io you will see the data appearing 'live'.)
    J *req = NoteNewRequest("note.add");
    if (req != NULL) {
        JAddStringToObject(req, "file", "sensors.qo");
        JAddBoolToObject(req, "start", true);
        J *body = JCreateObject();
        if (body != NULL) {
            JAddNumberToObject(body, "temp", temperature);
            JAddNumberToObject(body, "voltage", voltage);
            JAddItemToObject(req, "body", body);
        }
        NoteRequest(req);
    }

    return 1;
    }
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_TIM16_Init();
  MX_I2C1_Init();
  NotecardI2C();
  initNotecard();
  getNotecardDiagnostic();
  /* USER CODE BEGIN 2 */




  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Configure the main internal regulator output voltage
  */
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE2);

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
  RCC_OscInitStruct.MSIState = RCC_MSI_ON;
  RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Configure the SYSCLKSource, HCLK, PCLK1 and PCLK2 clocks dividers
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK3|RCC_CLOCKTYPE_HCLK
                              |RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1
                              |RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.AHBCLK3Divider = RCC_SYSCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
  {
    Error_Handler();
  }
}

/**
  * @brief I2C1 Initialization Function
  * @param None
  * @retval None
  */
static void MX_I2C1_Init(void)
{

  /* USER CODE BEGIN I2C1_Init 0 */
  if(i2c1Initialized){
	  return;
  }
  i2c1Initialized=true;
  /* USER CODE END I2C1_Init 0 */

  /* USER CODE BEGIN I2C1_Init 1 */

  /* USER CODE END I2C1_Init 1 */
  hi2c1.Instance = I2C1;
  hi2c1.Init.Timing = 0x00000E14;
  hi2c1.Init.OwnAddress1 = 0;
  hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
  hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
  hi2c1.Init.OwnAddress2 = 0;
  hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
  hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
  hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
  if (HAL_I2C_Init(&hi2c1) != HAL_OK)
  {
    Error_Handler();
  }

  /** Configure Analogue filter
  */
  if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
  {
    Error_Handler();
  }

  /** Configure Digital filter
  */
  if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN I2C1_Init 2 */

  /* USER CODE END I2C1_Init 2 */

}

// I2C1 De-initialization
void MX_I2C1_DeInit(void) {

    // Exit if already done
    if (!i2c1Initialized)
        return;
    i2c1Initialized = false;

    // Deconfigure Analogue filter
    HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_DISABLE);

    // Deinitialize
    HAL_I2C_DeInit(&hi2c1);

}

/**
  * @brief TIM16 Initialization Function
  * @param None
  * @retval None
  */
static void MX_TIM16_Init(void)
{

  /* USER CODE BEGIN TIM16_Init 0 */

  /* USER CODE END TIM16_Init 0 */

  /* USER CODE BEGIN TIM16_Init 1 */

  /* USER CODE END TIM16_Init 1 */
  htim16.Instance = TIM16;
  htim16.Init.Prescaler = 8000-1;
  htim16.Init.CounterMode = TIM_COUNTERMODE_UP;
  htim16.Init.Period = 10000-1;
  htim16.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  htim16.Init.RepetitionCounter = 0;
  htim16.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
  if (HAL_TIM_Base_Init(&htim16) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN TIM16_Init 2 */

  /* USER CODE END TIM16_Init 2 */

}

/**
  * @brief GPIO Initialization Function
  * @param None
  * @retval None
  */
static void MX_GPIO_Init(void)
{
/* USER CODE BEGIN MX_GPIO_Init_1 */
/* USER CODE END MX_GPIO_Init_1 */

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOB_CLK_ENABLE();

/* USER CODE BEGIN MX_GPIO_Init_2 */
/* USER CODE END MX_GPIO_Init_2 */
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */