Silicon Labs / Mbed OS TBSense2_Sensor_Demo

Demo for showing Thunderboard Sense 2's sensor values on a 15-second interval

Dependencies:   AMS_CCS811_gas_sensor BMP280 Si7021 Si7210 Si1133 ICM20648

Fork of TBSense2_Sensor_Demo by Steven Cooreman

Information

All examples in this repo are considered EXPERIMENTAL QUALITY, meaning this code has been created as one-off proof-of-concept and is suitable as a demonstration for experimental purposes only. This code will not be regularly maintained by Silicon Labs and there is no guarantee that these projects will work across all environments, SDK versions and hardware.

Files at this revision

API Documentation at this revision

Revision 3:2e1381d5e300, committed 2017-11-12

Comitter:
stevew817
Date:
Sun Nov 12 20:19:59 2017 +0100
Parent:
2:f80572d04d7a
Commit message:
Add ICM20648 driver and sample code

Changed in this revision

ICM20648.lib Show annotated file Show diff for this revision Revisions of this file
Si1133.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ICM20648.lib	Sun Nov 12 20:19:59 2017 +0100
@@ -0,0 +1,1 @@
+https://mbed.org/teams/SiliconLabs/code/ICM20648/#296308a935f5

--- a/Si1133.lib	Sun Nov 12 16:43:58 2017 +0100
+++ b/Si1133.lib	Sun Nov 12 20:19:59 2017 +0100
@@ -1,1 +1,1 @@
-https://mbed.org/teams/SiliconLabs/code/Si1133/#410f61a3900b
+https://mbed.org/teams/SiliconLabs/code/Si1133/#1e2dd643afa8

--- a/main.cpp	Sun Nov 12 16:43:58 2017 +0100
+++ b/main.cpp	Sun Nov 12 20:19:59 2017 +0100
@@ -1,19 +1,25 @@
-/*
- * PackageLicenseDeclared: Apache-2.0
- * Copyright (c) 2017 ARM Limited
+/***************************************************************************//**
+ * @file main.cpp
+ *******************************************************************************
+ * @section License
+ * <b>(C) Copyright 2017 Silicon Labs, http://www.silabs.com</b>
+ *******************************************************************************
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *     http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
- */
+ *
+ ******************************************************************************/
 
 #include <string>
 #include "mbed.h"
@@ -22,6 +28,7 @@
 #include "Si7021.h"
 #include "Si7210.h"
 #include "Si1133.h"
+#include "ICM20648.h"
 
 /* Turn on power supply to ENV sensor suite */
 DigitalOut env_en(PF9, 1);
@@ -31,6 +38,8 @@
 DigitalOut ccs_wake(PF15, 1);
 /* Turn on power to hall effect sensor */
 DigitalOut hall_en(PB10, 1);
+/* Turn on power to IMU */
+DigitalOut imu_en(PF8, 1);
 
 I2C ccs_i2c(PB6, PB7);
 I2C hall_i2c(PB8, PB9);
@@ -42,12 +51,14 @@
     int32_t temperature;
     uint32_t humidity;
     float light, uv;
+    float acc_x, acc_y, acc_z, gyr_x, gyr_y, gyr_z, temperature3;
 
     bool lightsensor_en = true;
     bool gassensor_en = true;
     bool hallsensor_en = true;
     bool rhtsensor_en = true;
     bool pressuresensor_en = true;
+    bool imu_en = true;
 
     ccs_en = 0;
     wait_ms(1000);
@@ -88,6 +99,14 @@
         printf("Something is wrong with Si1133, disabling...\n");
         lightsensor_en = false;
     }
+
+    /* Initialize the IMU*/
+    ICM20648* imu = new ICM20648(PC0, PC1, PC2, PC3, PF12);
+
+    if(!imu->open()) {
+        printf("Something is wrong with ICM20648, disabling...\n");
+        imu_en = false;
+    }
     
     do {
         printf("----------------------------------------------\r\n");
@@ -123,7 +142,6 @@
             printf("CO2: %ld ppm\r\n", eco2);
             printf("VoC: %ld ppb\r\n", tvoc);
         }
-
         
         /* measure HALL */
         if(hallsensor_en) {
@@ -143,6 +161,18 @@
             printf("U: %.2f\r\n", uv);
         }
 
+        /* measure imu */
+        if(imu_en) {
+            imu->get_temperature(&temperature3);
+            imu->get_accelerometer(&acc_x, &acc_y, &acc_z);
+            imu->get_gyroscope(&gyr_x, &gyr_y, &gyr_z);
+
+            printf("ICM20648:\r\n");
+            printf("T: %.2f degC\r\n", temperature3);
+            printf("Acc: %.2f %.2f %.2f\r\n", acc_x, acc_y, acc_z);
+            printf("Gyro: %.2f %.2f %.2f\r\n", gyr_x, gyr_y, gyr_z);
+        }
+
         wait_ms(15000);
     } while(1);
 }