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[原创] IKS01A3驱动移植,基于STM32G474RE的LSM6DSO活动状态检测

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发表于 2019-8-28 21:27 | 只看该作者 |只看大图 |倒序浏览 |阅读模式

使用LSM6DSO的官方标C驱动

工程使用CubeMX生成

传感器静止时输出“Inactivity Detected”

活动时输出“Activity Detected”


/* STMicroelectronics evaluation boards definition
 *
 * Please uncomment ONLY the evaluation boards in use.
 * If a different hardware is used please comment all
 * following target board and redefine yours.
 */
//#define STEVAL_MKI109V3
#define NUCLEO_G474RE_X_NUCLEO_IKS01A2

#if defined(STEVAL_MKI109V3)
/* MKI109V3: Define communication interface */
#define SENSOR_BUS hspi2

/* MKI109V3: Vdd and Vddio power supply values */
#define PWM_3V3 915

#elif defined(NUCLEO_G474RE_X_NUCLEO_IKS01A2)
/* NUCLEO_G474RE_X_NUCLEO_IKS01A2: Define communication interface */
#define SENSOR_BUS hi2c1

#endif

/* Includes ------------------------------------------------------------------*/
#include <string.h>
#include <stdio.h>

#include "main.h"
#include "lsm6dso_reg.h"

/* Private macro -------------------------------------------------------------*/

/* Private variables ---------------------------------------------------------*/
static uint8_t whoamI, rst;
extern uint8_t tx_buffer[1000];

/* Extern variables ----------------------------------------------------------*/
extern I2C_HandleTypeDef hi2c1;

extern UART_HandleTypeDef hlpuart1;
/* Private functions ---------------------------------------------------------*/

/*
 *   WARNING:
 *   Functions declare in this section are defined at the end of this file
 *   and are strictly related to the hardware platform used.
 *
 */
static int32_t platform_write(void *handle, uint8_t reg, 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_init(void);

/* Main Example --------------------------------------------------------------*/
void example_main_activity_lsm6dso(void)
{
  lsm6dso_ctx_t dev_ctx;
  lsm6dso_pin_int1_route_t int1_route;

  /*
   *  Initialize mems driver interface
   */
  dev_ctx.write_reg = platform_write;
  dev_ctx.read_reg = platform_read;
  dev_ctx.handle = &hi2c1;

  /*
   * Init test platform
   */
  platform_init();

 /*
   *  Check device ID
   */
  lsm6dso_device_id_get(&dev_ctx, &whoamI);
  if (whoamI != LSM6DSO_ID)
    while(1);

  /*
   *  Restore default configuration
   */
  lsm6dso_reset_set(&dev_ctx, PROPERTY_ENABLE);
  do {
    lsm6dso_reset_get(&dev_ctx, &rst);
  } while (rst);

  /*
   * Disable I3C interface
   */
  lsm6dso_i3c_disable_set(&dev_ctx, LSM6DSO_I3C_DISABLE);

  /*
   * Set XL and Gyro Output Data Rate
   */
  lsm6dso_xl_data_rate_set(&dev_ctx, LSM6DSO_XL_ODR_208Hz);
  lsm6dso_gy_data_rate_set(&dev_ctx, LSM6DSO_GY_ODR_104Hz);

  /*
   * Set 2g full XL scale and 250 dps full Gyro
   */
  lsm6dso_xl_full_scale_set(&dev_ctx, LSM6DSO_2g);
  lsm6dso_gy_full_scale_set(&dev_ctx, LSM6DSO_250dps);

  /*
   * Set duration for Activity detection to 9.62 ms (= 2 * 1 / ODR_XL)
   */
  lsm6dso_wkup_dur_set(&dev_ctx, 0x02);

  /*
   * Set duration for Inactivity detection to 4.92 s (= 2 * 512 / ODR_XL)
   */
  lsm6dso_act_sleep_dur_set(&dev_ctx, 0x02);

  /*
   * Set Activity/Inactivity threshold to 62.5 mg
   */
  lsm6dso_wkup_threshold_set(&dev_ctx, 0x02);

  /*
   * Inactivity configuration: XL to 12.5 in LP, gyro to Power-Down
   */
  lsm6dso_act_mode_set(&dev_ctx, LSM6DSO_XL_12Hz5_GY_PD);

  /*
   * Enable interrupt generation on Inactivity INT1 pin
   */
  lsm6dso_pin_int1_route_get(&dev_ctx, &int1_route);
  int1_route.md1_cfg.int1_sleep_change = PROPERTY_ENABLE;
  lsm6dso_pin_int1_route_set(&dev_ctx, &int1_route);

  /*
   * Wait Events
   */
  while(1)
  {
    lsm6dso_all_sources_t all_source;

    /*
     * Check if Activity/Inactivity events
     */
    lsm6dso_all_sources_get(&dev_ctx, &all_source);
    if (all_source.wake_up_src.sleep_state)
    {
      sprintf((char*)tx_buffer, "Inactivity Detected\r\n");
      tx_com(tx_buffer, strlen((char const*)tx_buffer));
    }

    if (all_source.wake_up_src.wu_ia)
    {
      sprintf((char*)tx_buffer, "Activity Detected\r\n");
      tx_com(tx_buffer, strlen((char const*)tx_buffer));
    }
  }
}

/*
 * @brief  Write generic device register (platform dependent)
 *
 * @param  handle    customizable argument. In this examples is used in
 *                   order to select the correct sensor bus handler.
 * @param  reg       register to write
 * @param  bufp      pointer to data to write in register reg
 * @param  len       number of consecutive register to write
 *
 */
static int32_t platform_write(void *handle, uint8_t reg, uint8_t *bufp,
                              uint16_t len)
{
  if (handle == &hi2c1)
  {
    HAL_I2C_Mem_Write(handle, LSM6DSO_I2C_ADD_H, reg,
                      I2C_MEMADD_SIZE_8BIT, bufp, len, 1000);
  }
#ifdef STEVAL_MKI109V3
  else if (handle == &hspi2)
  {
    HAL_GPIO_WritePin(CS_up_GPIO_Port, CS_up_Pin, GPIO_PIN_RESET);
    HAL_SPI_Transmit(handle, &reg, 1, 1000);
    HAL_SPI_Transmit(handle, bufp, len, 1000);
    HAL_GPIO_WritePin(CS_up_GPIO_Port, CS_up_Pin, GPIO_PIN_SET);
  }
#endif
  return 0;
}

/*
 * @brief  Read generic device register (platform dependent)
 *
 * @param  handle    customizable argument. In this examples is used in
 *                   order to select the correct sensor bus handler.
 * @param  reg       register to read
 * @param  bufp      pointer to buffer that store the data read
 * @param  len       number of consecutive register to read
 *
 */
static int32_t platform_read(void *handle, uint8_t reg, uint8_t *bufp,
                             uint16_t len)
{
  if (handle == &hi2c1)
  {
    HAL_I2C_Mem_Read(handle, LSM6DSO_I2C_ADD_H, reg,
                     I2C_MEMADD_SIZE_8BIT, bufp, len, 1000);
  }
#ifdef STEVAL_MKI109V3
  else if (handle == &hspi2)
  {
    /* Read command */
    reg |= 0x80;
    HAL_GPIO_WritePin(CS_up_GPIO_Port, CS_up_Pin, GPIO_PIN_RESET);
    HAL_SPI_Transmit(handle, &reg, 1, 1000);
    HAL_SPI_Receive(handle, bufp, len, 1000);
    HAL_GPIO_WritePin(CS_up_GPIO_Port, CS_up_Pin, GPIO_PIN_SET);
  }
#endif
  return 0;
}

/*
 * @brief  Write generic device register (platform dependent)
 *
 * @param  tx_buffer     buffer to trasmit
 * @param  len           number of byte to send
 *
 */
void tx_com(uint8_t *tx_buffer, uint16_t len)
{
  #ifdef NUCLEO_G474RE_X_NUCLEO_IKS01A2
  HAL_UART_Transmit(&hlpuart1, tx_buffer, len, 1000);
  #endif
  #ifdef STEVAL_MKI109V3
  CDC_Transmit_FS(tx_buffer, len);
  #endif
}

/*
 * @brief  platform specific initialization (platform dependent)
 */
static void platform_init(void)
{
#ifdef STEVAL_MKI109V3
  TIM3->CCR1 = PWM_3V3;
  TIM3->CCR2 = PWM_3V3;
  HAL_Delay(1000);
#endif
}

工程文件:

stm32g474.rar (2.88 MB, 下载次数: 13)

 

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