Diff: main.cpp

Revision:

0:6a97487a0ab3

Child:

1:0f7838527fef

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Sep 07 12:31:15 2017 +0000
@@ -0,0 +1,173 @@
+/**
+ ******************************************************************************
+ * @file    main.cpp
+ * @author  CLab
+ * @version V1.0.0
+ * @date    5-September-2017
+ * @brief   Simple Example application for using X_NUCLEO_IKS01A2  
+ *          MEMS Inertial & Environmental Sensor Nucleo expansion and 
+ *          B-L475E-IOT01A2 boards.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *   1. Redistributions of source code must retain the above copyright notice,
+ *      this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright notice,
+ *      this list of conditions and the following disclaimer in the documentation
+ *      and/or other materials provided with the distribution.
+ *   3. Neither the name of STMicroelectronics nor the names of its contributors
+ *      may be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+*/ 
+
+/* Includes */
+#include "mbed.h"
+#include "HTS221Sensor.h"
+#include "LPS22HBSensor.h"
+#include "LSM6DSLSensor.h"
+
+#ifdef TARGET_DISCO_L475VG_IOT01A
+#include "lis3mdl_class.h"
+#else // X-Nucleo-IKS01A2
+#include "LSM303AGRMagSensor.h"
+#endif
+
+
+/* Retrieve the composing elements of the expansion board */
+
+#ifdef TARGET_DISCO_L475VG_IOT01A
+static DevI2C devI2c = DevI2C(PB_11,PB_10);
+#else // X-Nucleo-IKS01A2
+static DevI2C devI2c = DevI2C(D14,D15);
+#endif
+
+static HTS221Sensor hum_temp = HTS221Sensor(devI2c);
+static LPS22HBSensor press_temp = LPS22HBSensor(devI2c);
+
+#ifdef TARGET_DISCO_L475VG_IOT01A
+static LSM6DSLSensor acc_gyro = LSM6DSLSensor(devI2c,PD_11,NC,LSM6DSL_ACC_GYRO_I2C_ADDRESS_LOW); // low address
+static LIS3MDL magnetometer = LIS3MDL(devI2c);
+#else // X-NUCLEO_IKS01A2
+static LSM6DSLSensor acc_gyro = LSM6DSLSensor(devI2c,D4,D5); // high address (default)
+static LSM303AGRMagSensor magnetometer = LSM303AGRMagSensor(devI2c);
+#endif
+
+/* Helper function for printing floats & doubles */
+static char *print_double(char* str, double v, int decimalDigits=2)
+{
+  int i = 1;
+  int intPart, fractPart;
+  int len;
+  char *ptr;
+
+  /* prepare decimal digits multiplicator */
+  for (;decimalDigits!=0; i*=10, decimalDigits--);
+
+  /* calculate integer & fractinal parts */
+  intPart = (int)v;
+  fractPart = (int)((v-(double)(int)v)*i);
+
+  /* fill in integer part */
+  sprintf(str, "%i.", intPart);
+
+  /* prepare fill in of fractional part */
+  len = strlen(str);
+  ptr = &str[len];
+
+  /* fill in leading fractional zeros */
+  for (i/=10;i>1; i/=10, ptr++) {
+    if (fractPart >= i) {
+      break;
+    }
+    *ptr = '0';
+  }
+
+  /* fill in (rest of) fractional part */
+  sprintf(ptr, "%i", fractPart);
+
+  return str;
+}
+
+/* Simple main function */
+int main() {
+  uint8_t id;
+  float value1, value2;
+  char buffer1[32], buffer2[32];
+  int32_t axes[3];
+  
+  /* Init all sensors with default params */
+  hum_temp.init(NULL);
+  press_temp.init(NULL);
+  magnetometer.init(NULL);
+  acc_gyro.init(NULL);
+  
+  /* Enable all sensors */
+  hum_temp.enable();
+  press_temp.enable();
+#ifndef TARGET_DISCO_L475VG_IOT01A // X-NUCLEO-IKS01A2
+  magnetometer.enable();
+#endif
+  acc_gyro.enable_x();
+  acc_gyro.enable_g();
+  
+  printf("\r\n--- Starting new run ---\r\n");
+
+  hum_temp.read_id(&id);
+  printf("HTS221  humidity & temperature    = 0x%X\r\n", id);
+  press_temp.read_id(&id);
+  printf("LPS22HB  pressure & temperature   = 0x%X\r\n", id);
+  magnetometer.read_id(&id);
+#ifdef TARGET_DISCO_L475VG_IOT01A
+  printf("LIS3MDL magnetometer            = 0x%X\r\n", id);
+#else // X-NUCLEO-IKS01A2
+  printf("LSM303AGR magnetometer            = 0x%X\r\n", id);
+#endif
+  acc_gyro.read_id(&id);
+  printf("LSM6DSL accelerometer & gyroscope = 0x%X\r\n", id);
+ 
+  while(1) {
+    printf("\r\n");
+
+    hum_temp.get_temperature(&value1);
+    hum_temp.get_humidity(&value2);
+    printf("HTS221: [temp] %7s C,   [hum] %s%%\r\n", print_double(buffer1, value1), print_double(buffer2, value2));
+    
+    press_temp.get_temperature(&value1);
+    press_temp.get_pressure(&value2);
+    printf("LPS22HB: [temp] %7s C, [press] %s mbar\r\n", print_double(buffer1, value1), print_double(buffer2, value2));
+
+    printf("---\r\n");
+
+    magnetometer.get_m_axes(axes);
+#ifdef TARGET_DISCO_L475VG_IOT01A
+    printf("LIS3MDL [mag/mgauss]:  %6ld, %6ld, %6ld\r\n", axes[0], axes[1], axes[2]);
+#else // X-NUCLEO-IKS01A2
+    printf("LSM303AGR [mag/mgauss]:  %6ld, %6ld, %6ld\r\n", axes[0], axes[1], axes[2]);
+#endif    
+
+    acc_gyro.get_x_axes(axes);
+    printf("LSM6DSL [acc/mg]:      %6ld, %6ld, %6ld\r\n", axes[0], axes[1], axes[2]);
+
+    acc_gyro.get_g_axes(axes);
+    printf("LSM6DSL [gyro/mdps]:   %6ld, %6ld, %6ld\r\n", axes[0], axes[1], axes[2]);
+
+    wait(2);
+  }
+}