Hi, @Federica Bossi
It was implemented using the official PID.
However, the whoami value for the LSM6DSV16X is 71.
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* Copyright (c) 2025 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 <string.h>
#include <stdio.h>
#include "lsm6dsv16x_reg.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
I2C_HandleTypeDef hi2c3;
UART_HandleTypeDef huart1;
UART_HandleTypeDef huart3;
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_I2C3_Init(void);
static void MX_USART1_UART_Init(void);
static void MX_USART3_UART_Init(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* Define communication interface */
#define SENSOR_BUS hi2c3
/* Private macro -------------------------------------------------------------*/
#define BOOT_TIME 10 //ms
/* Private variables ---------------------------------------------------------*/
static uint8_t whoamI;
static uint8_t tx_buffer[1000];
static lsm6dsv16x_interrupt_mode_t irq;
static lsm6dsv16x_act_thresholds_t wu;
int _write(int file, char* p, int len){
HAL_UART_Transmit(&huart3, (uint8_t*)p, len, 10);
return len;
}
static int32_t platform_write(void *handle, uint8_t reg, const uint8_t *bufp,
uint16_t len);
static int32_t platform_read(void *handle, uint8_t reg, uint8_t *bufp,
uint16_t len);
static void tx_com( uint8_t *tx_buffer, uint16_t len );
static void platform_delay(uint32_t ms);
static void platform_init(void *handle);
static stmdev_ctx_t dev_ctx;
static uint8_t wu_event_catched = 0;
void lsm6dsv16x_wakeup_handler(void)
{
lsm6dsv16x_all_sources_t status;
/* Read output only if new xl value is available */
lsm6dsv16x_all_sources_get(&dev_ctx, &status);
if (status.wake_up) {
wu_event_catched = 1;
}
}
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
lsm6dsv16x_pin_int_route_t pin_int;
dev_ctx.write_reg = platform_write;
dev_ctx.read_reg = platform_read;
dev_ctx.mdelay = platform_delay;
dev_ctx.handle = &SENSOR_BUS;
/* 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_I2C3_Init();
MX_USART1_UART_Init();
MX_USART3_UART_Init();
/* USER CODE BEGIN 2 */
/* Init test platform */
platform_init(dev_ctx.handle);
/* Wait sensor boot time */
platform_delay(BOOT_TIME);
/* Check device ID */
lsm6dsv16x_device_id_get(&dev_ctx, &whoamI);
printf("whoamI %x \n", whoamI);
if (whoamI != LSM6DSV16X_ID)
while (1);
/* Restore default configuration */
lsm6dsv16x_sw_por(&dev_ctx);
/* Enable Block Data Update */
lsm6dsv16x_block_data_update_set(&dev_ctx, PROPERTY_ENABLE);
pin_int.wakeup = PROPERTY_ENABLE;
lsm6dsv16x_pin_int1_route_set(&dev_ctx, &pin_int);
//lsm6dsv16x_pin_int2_route_set(&dev_ctx, &pin_int);
irq.enable = 1;
irq.lir = 1;
lsm6dsv16x_interrupt_enable_set(&dev_ctx, irq);
lsm6dsv16x_filt_xl_fast_settling_set(&dev_ctx, 1);
lsm6dsv16x_mask_trigger_xl_settl_set(&dev_ctx, 1);
lsm6dsv16x_filt_wkup_act_feed_set(&dev_ctx, LSM6DSV16X_WK_FEED_HIGH_PASS);
wu.inactivity_cfg.inact_dur = 0;
wu.inactivity_cfg.xl_inact_odr = 1;
wu.inactivity_cfg.wu_inact_ths_w = 3; /* threshold resolution to 62.5 mg */
wu.inactivity_ths = 0;
wu.threshold = 1;
wu.duration = 0;
lsm6dsv16x_act_thresholds_set(&dev_ctx, &wu);
/* Set Output Data Rate.*/
lsm6dsv16x_xl_data_rate_set(&dev_ctx, LSM6DSV16X_ODR_AT_480Hz);
/* Set full scale */
lsm6dsv16x_xl_full_scale_set(&dev_ctx, LSM6DSV16X_2g);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
if (wu_event_catched) {
wu_event_catched = 0;
snprintf((char *)tx_buffer, sizeof(tx_buffer), "Wakeup event\r\n");
tx_com(tx_buffer, strlen((char const *)tx_buffer));
}
}
/* 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_SCALE0);
while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_CSI;
RCC_OscInitStruct.CSIState = RCC_CSI_ON;
RCC_OscInitStruct.CSICalibrationValue = RCC_CSICALIBRATION_DEFAULT;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLL1_SOURCE_CSI;
RCC_OscInitStruct.PLL.PLLM = 1;
RCC_OscInitStruct.PLL.PLLN = 125;
RCC_OscInitStruct.PLL.PLLP = 2;
RCC_OscInitStruct.PLL.PLLQ = 2;
RCC_OscInitStruct.PLL.PLLR = 2;
RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1_VCIRANGE_2;
RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1_VCORANGE_WIDE;
RCC_OscInitStruct.PLL.PLLFRACN = 0;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB buses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
|RCC_CLOCKTYPE_PCLK3;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB3CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
{
Error_Handler();
}
/** Configure the programming delay
*/
__HAL_FLASH_SET_PROGRAM_DELAY(FLASH_PROGRAMMING_DELAY_2);
}
/**
* @brief I2C3 Initialization Function
* @param None
* @retval None
*/
static void MX_I2C3_Init(void)
{
/* USER CODE BEGIN I2C3_Init 0 */
/* USER CODE END I2C3_Init 0 */
/* USER CODE BEGIN I2C3_Init 1 */
/* USER CODE END I2C3_Init 1 */
hi2c3.Instance = I2C3;
hi2c3.Init.Timing = 0x60808CD3;
hi2c3.Init.OwnAddress1 = 0;
hi2c3.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
hi2c3.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
hi2c3.Init.OwnAddress2 = 0;
hi2c3.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
hi2c3.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
hi2c3.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
if (HAL_I2C_Init(&hi2c3) != HAL_OK)
{
Error_Handler();
}
/** Configure Analogue filter
*/
if (HAL_I2CEx_ConfigAnalogFilter(&hi2c3, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
{
Error_Handler();
}
/** Configure Digital filter
*/
if (HAL_I2CEx_ConfigDigitalFilter(&hi2c3, 0) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN I2C3_Init 2 */
/* USER CODE END I2C3_Init 2 */
}
/**
* @brief USART1 Initialization Function
* @param None
* @retval None
*/
static void MX_USART1_UART_Init(void)
{
/* USER CODE BEGIN USART1_Init 0 */
/* USER CODE END USART1_Init 0 */
/* USER CODE BEGIN USART1_Init 1 */
/* USER CODE END USART1_Init 1 */
huart1.Instance = USART1;
huart1.Init.BaudRate = 115200;
huart1.Init.WordLength = UART_WORDLENGTH_8B;
huart1.Init.StopBits = UART_STOPBITS_1;
huart1.Init.Parity = UART_PARITY_NONE;
huart1.Init.Mode = UART_MODE_TX_RX;
huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart1.Init.OverSampling = UART_OVERSAMPLING_16;
huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
huart1.Init.ClockPrescaler = UART_PRESCALER_DIV1;
huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
if (HAL_UART_Init(&huart1) != HAL_OK)
{
Error_Handler();
}
if (HAL_UARTEx_SetTxFifoThreshold(&huart1, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)
{
Error_Handler();
}
if (HAL_UARTEx_SetRxFifoThreshold(&huart1, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)
{
Error_Handler();
}
if (HAL_UARTEx_DisableFifoMode(&huart1) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN USART1_Init 2 */
/* USER CODE END USART1_Init 2 */
}
/**
* @brief USART3 Initialization Function
* @param None
* @retval None
*/
static void MX_USART3_UART_Init(void)
{
/* USER CODE BEGIN USART3_Init 0 */
/* USER CODE END USART3_Init 0 */
/* USER CODE BEGIN USART3_Init 1 */
/* USER CODE END USART3_Init 1 */
huart3.Instance = USART3;
huart3.Init.BaudRate = 115200;
huart3.Init.WordLength = UART_WORDLENGTH_8B;
huart3.Init.StopBits = UART_STOPBITS_1;
huart3.Init.Parity = UART_PARITY_NONE;
huart3.Init.Mode = UART_MODE_TX_RX;
huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart3.Init.OverSampling = UART_OVERSAMPLING_16;
huart3.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
huart3.Init.ClockPrescaler = UART_PRESCALER_DIV1;
huart3.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
if (HAL_UART_Init(&huart3) != HAL_OK)
{
Error_Handler();
}
if (HAL_UARTEx_SetTxFifoThreshold(&huart3, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)
{
Error_Handler();
}
if (HAL_UARTEx_SetRxFifoThreshold(&huart3, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)
{
Error_Handler();
}
if (HAL_UARTEx_DisableFifoMode(&huart3) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN USART3_Init 2 */
/* USER CODE END USART3_Init 2 */
}
/**
* @brief GPIO Initialization Function
* @param None
* @retval None
*/
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
/* USER CODE BEGIN MX_GPIO_Init_1 */
/* USER CODE END MX_GPIO_Init_1 */
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_8|GPIO_PIN_9, GPIO_PIN_RESET);
/*Configure GPIO pins : INT2_PIN_Pin INT1_PIN_Pin */
GPIO_InitStruct.Pin = INT2_PIN_Pin|INT1_PIN_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/*Configure GPIO pins : PA9 PA10 */
GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF3_LPUART1;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/*Configure GPIO pins : PB8 PB9 */
GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* EXTI interrupt init*/
HAL_NVIC_SetPriority(EXTI1_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(EXTI1_IRQn);
HAL_NVIC_SetPriority(EXTI13_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(EXTI13_IRQn);
/* USER CODE BEGIN MX_GPIO_Init_2 */
/* USER CODE END MX_GPIO_Init_2 */
}
/* USER CODE BEGIN 4 */
void HAL_GPIO_EXTI_Rising_Callback(uint16_t GPIO_Pin)
{
printf("HAL_GPIO_EXTI_Rising_Callback\n");
if(GPIO_Pin == INT1_PIN_Pin)
{
lsm6dsv16x_wakeup_handler();
printf("GPIO_INT1_Callback \n");
}
if(GPIO_Pin == INT2_PIN_Pin)
{
printf("GPIO_INT2_Callback \n");
}
}
static int32_t platform_write(void *handle, uint8_t reg, const uint8_t *bufp,
uint16_t len)
{
HAL_I2C_Mem_Write(handle, LSM6DSV16X_I2C_ADD_L, reg,
I2C_MEMADD_SIZE_8BIT, (uint8_t*) bufp, len, 1000);
return 0;
}
static int32_t platform_read(void *handle, uint8_t reg, uint8_t *bufp,
uint16_t len)
{
HAL_I2C_Mem_Read(handle, LSM6DSV16X_I2C_ADD_L, reg,
I2C_MEMADD_SIZE_8BIT, bufp, len, 1000);
return 0;
}
static void tx_com(uint8_t *tx_buffer, uint16_t len)
{
HAL_UART_Transmit(&huart3, tx_buffer, len, 1000);
}
static void platform_delay(uint32_t ms)
{
HAL_Delay(ms);
}
static void platform_init(void *handle)
{
}
/* 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 */
Is there any LSM6DSV16X product with a whoami value of 71?
Thanks!
