Diff: main.cpp

Revision:

0:1ba5cfaab64e

Child:

1:ae01414cd891

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jan 16 13:51:17 2020 +0000
@@ -0,0 +1,98 @@
+/* Includes */
+#include "mbed.h"
+#include "x_nucleo_iks01a1.h"
+#include <iostream>
+using namespace std;
+
+/* Instantiate the expansion board */
+static X_NUCLEO_IKS01A1 *mems_expansion_board = X_NUCLEO_IKS01A1::Instance(D14, D15);
+
+/* Retrieve the composing elements of the expansion board */
+static GyroSensor *gyroscope = mems_expansion_board->GetGyroscope();
+static MotionSensor *accelerometer = mems_expansion_board->GetAccelerometer();
+static MagneticSensor *magnetometer = mems_expansion_board->magnetometer;
+static HumiditySensor *humidity_sensor = mems_expansion_board->ht_sensor;
+static PressureSensor *pressure_sensor = mems_expansion_board->pt_sensor;
+static TempSensor *temp_sensor1 = mems_expansion_board->ht_sensor;
+static TempSensor *temp_sensor2 = mems_expansion_board->pt_sensor;
+
+/* Helper function for printing floats & doubles */
+static char *printDouble(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];
+  
+  printf("\r\n--- Starting new run ---\r\n");
+
+  humidity_sensor->read_id(&id);
+  printf("HTS221  humidity & temperature    = 0x%X\r\n", id);
+  pressure_sensor->read_id(&id);
+  printf("LPS25H  pressure & temperature    = 0x%X\r\n", id);
+  magnetometer->read_id(&id);
+  printf("LIS3MDL magnetometer              = 0x%X\r\n", id);
+  gyroscope->read_id(&id);
+  printf("LSM6DS0 accelerometer & gyroscope = 0x%X\r\n", id);
+  
+  wait(3);
+ 
+  while(1) {
+    printf("\r\n");
+
+    temp_sensor1->get_temperature(&value1);
+    humidity_sensor->get_humidity(&value2);
+    printf("HTS221: [temp] %7s°C,   [hum] %s%%\r\n", printDouble(buffer1, value1), printDouble(buffer2, value2));
+    
+    temp_sensor2->get_fahrenheit(&value1);
+    pressure_sensor->get_pressure(&value2);
+    printf("LPS25H: [temp] %7s°F, [press] %smbar\r\n", printDouble(buffer1, value1), printDouble(buffer2, value2));
+
+    printf("---\r\n");
+
+    magnetometer->get_m_axes(axes);
+    printf("LIS3MDL [mag/mgauss]:  %7ld, %7ld, %7ld\r\n", axes[0], axes[1], axes[2]);
+
+    accelerometer->get_x_axes(axes);
+    printf("LSM6DS0 [acc/mg]:      %7ld, %7ld, %7ld\r\n", axes[0], axes[1], axes[2]);
+
+    gyroscope->get_g_axes(axes);
+    printf("LSM6DS0 [gyro/mdps]:   %7ld, %7ld, %7ld\r\n", axes[0], axes[1], axes[2]);
+
+    wait(5);
+  }
+}