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.

main.cpp@0:fe1dd6f4950c, 2017-05-04 (annotated)

Committer:
stevew817
Date:
Thu May 04 12:16:45 2017 +0000
Revision:
0:fe1dd6f4950c
Child:
1:7174444a05e2
Initial wip;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
stevew817 0:fe1dd6f4950c 1 /*
stevew817 0:fe1dd6f4950c 2 * PackageLicenseDeclared: Apache-2.0
stevew817 0:fe1dd6f4950c 3 * Copyright (c) 2017 ARM Limited
stevew817 0:fe1dd6f4950c 4 *
stevew817 0:fe1dd6f4950c 5 * Licensed under the Apache License, Version 2.0 (the "License");
stevew817 0:fe1dd6f4950c 6 * you may not use this file except in compliance with the License.
stevew817 0:fe1dd6f4950c 7 * You may obtain a copy of the License at
stevew817 0:fe1dd6f4950c 8 *
stevew817 0:fe1dd6f4950c 9 * http://www.apache.org/licenses/LICENSE-2.0
stevew817 0:fe1dd6f4950c 10 *
stevew817 0:fe1dd6f4950c 11 * Unless required by applicable law or agreed to in writing, software
stevew817 0:fe1dd6f4950c 12 * distributed under the License is distributed on an "AS IS" BASIS,
stevew817 0:fe1dd6f4950c 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
stevew817 0:fe1dd6f4950c 14 * See the License for the specific language governing permissions and
stevew817 0:fe1dd6f4950c 15 * limitations under the License.
stevew817 0:fe1dd6f4950c 16 */
stevew817 0:fe1dd6f4950c 17
stevew817 0:fe1dd6f4950c 18 #include <string>
stevew817 0:fe1dd6f4950c 19 #include "mbed.h"
stevew817 0:fe1dd6f4950c 20 #include "BMP280/BMP280.h"
stevew817 0:fe1dd6f4950c 21 #include "CCS811/CCS811.h"
stevew817 0:fe1dd6f4950c 22 #include "AMS_CCS811.h"
stevew817 0:fe1dd6f4950c 23 #include "Si7021.h"
stevew817 0:fe1dd6f4950c 24 #include "Si7210.h"
stevew817 0:fe1dd6f4950c 25
stevew817 0:fe1dd6f4950c 26 DigitalOut env_en(PF9, 1);
stevew817 0:fe1dd6f4950c 27 DigitalOut ccs_en(PF14, 1);
stevew817 0:fe1dd6f4950c 28 DigitalOut ccs_wake(PF15, 1);
stevew817 0:fe1dd6f4950c 29 DigitalOut hall_en(PB10, 1);
stevew817 0:fe1dd6f4950c 30
stevew817 0:fe1dd6f4950c 31 I2C ccs_i2c(PB6, PB7);
stevew817 0:fe1dd6f4950c 32 I2C hall_i2c(PB8, PB9);
stevew817 0:fe1dd6f4950c 33 I2C env_i2c(PC4, PC5);
stevew817 0:fe1dd6f4950c 34
stevew817 0:fe1dd6f4950c 35 int main() {
stevew817 0:fe1dd6f4950c 36 uint32_t eco2, tvoc;
stevew817 0:fe1dd6f4950c 37 float pressure, temperature2;
stevew817 0:fe1dd6f4950c 38 int32_t temperature;
stevew817 0:fe1dd6f4950c 39 uint32_t humidity;
stevew817 0:fe1dd6f4950c 40
stevew817 0:fe1dd6f4950c 41 ccs_en = 0;
stevew817 0:fe1dd6f4950c 42 wait_ms(1000);
stevew817 0:fe1dd6f4950c 43 ccs_en = 1;
stevew817 0:fe1dd6f4950c 44 wait_ms(1000);
stevew817 0:fe1dd6f4950c 45
stevew817 0:fe1dd6f4950c 46 /* Initialize air quality sensor */
stevew817 0:fe1dd6f4950c 47 AMS_CCS811* gasSensor = new AMS_CCS811(&ccs_i2c, PF15);
stevew817 0:fe1dd6f4950c 48 if(!gasSensor->init()) {
stevew817 0:fe1dd6f4950c 49 printf("Failed CCS init\r\n");
stevew817 0:fe1dd6f4950c 50 }
stevew817 0:fe1dd6f4950c 51 wait_ms(10);
stevew817 0:fe1dd6f4950c 52
stevew817 0:fe1dd6f4950c 53 /* Initialize barometer and RHT */
stevew817 0:fe1dd6f4950c 54 BMP280* pressureSensor = new BMP280(env_i2c);
stevew817 0:fe1dd6f4950c 55 Si7021* rhtSensor = new Si7021(&env_i2c);
stevew817 0:fe1dd6f4950c 56
stevew817 0:fe1dd6f4950c 57 printf("\r\n\r\nHello Jumbo...\r\n");
stevew817 0:fe1dd6f4950c 58
stevew817 0:fe1dd6f4950c 59 /* Check if hall sensor is alive */
stevew817 0:fe1dd6f4950c 60 silabs::Si7210* hallSensor = new silabs::Si7210(&hall_i2c);
stevew817 0:fe1dd6f4950c 61 uint8_t id;
stevew817 0:fe1dd6f4950c 62 hallSensor->wakeup();
stevew817 0:fe1dd6f4950c 63 hallSensor->readRegister(SI72XX_HREVID, &id);
stevew817 0:fe1dd6f4950c 64 printf("Hall ID: %d\r\n", id);
stevew817 0:fe1dd6f4950c 65
stevew817 0:fe1dd6f4950c 66 do {
stevew817 0:fe1dd6f4950c 67 /* Measure barometric pressure */
stevew817 0:fe1dd6f4950c 68 rhtSensor->measure();
stevew817 0:fe1dd6f4950c 69 rhtSensor->measure();
stevew817 0:fe1dd6f4950c 70 temperature = rhtSensor->get_temperature();
stevew817 0:fe1dd6f4950c 71 humidity = rhtSensor->get_humidity();
stevew817 0:fe1dd6f4950c 72
stevew817 0:fe1dd6f4950c 73 temperature2 = pressureSensor->getTemperature();
stevew817 0:fe1dd6f4950c 74 pressure = pressureSensor->getPressure();
stevew817 0:fe1dd6f4950c 75
stevew817 0:fe1dd6f4950c 76 /* Measure air quality */
stevew817 0:fe1dd6f4950c 77 gasSensor->has_new_data();
stevew817 0:fe1dd6f4950c 78 eco2 = gasSensor->co2_read();
stevew817 0:fe1dd6f4950c 79 tvoc = gasSensor->tvoc_read();
stevew817 0:fe1dd6f4950c 80
stevew817 0:fe1dd6f4950c 81 /* measure HALL */
stevew817 0:fe1dd6f4950c 82 hallSensor->measureOnce();
stevew817 0:fe1dd6f4950c 83
stevew817 0:fe1dd6f4950c 84 printf("-------------------------\r\n");
stevew817 0:fe1dd6f4950c 85 printf("BMP280:\r\n");
stevew817 0:fe1dd6f4950c 86 printf("P: %.2f bar\r\n", pressure);
stevew817 0:fe1dd6f4950c 87 printf("T: %.2f degC\r\n", temperature2);
stevew817 0:fe1dd6f4950c 88 printf("Si7021:\r\n");
stevew817 0:fe1dd6f4950c 89 printf("T: %ld.%03ld degC\r\n", temperature/1000, abs(temperature%1000));
stevew817 0:fe1dd6f4950c 90 printf("h: %ld.%03ld %%\r\n", humidity/1000, humidity%1000);
stevew817 0:fe1dd6f4950c 91 printf("CCS811:\r\n");
stevew817 0:fe1dd6f4950c 92 printf("CO2: %ld ppm\r\n", eco2);
stevew817 0:fe1dd6f4950c 93 printf("VoC: %ld ppb\r\n", tvoc);
stevew817 0:fe1dd6f4950c 94 printf("Si7210:\r\n");
stevew817 0:fe1dd6f4950c 95 printf("T: %d.%02d degC\r\n", hallSensor->getTemperature()/1000, abs(hallSensor->getTemperature()%1000));
stevew817 0:fe1dd6f4950c 96 printf("F: %i.%03d mT\r\n", (int)(hallSensor->getFieldStrength()/1000), abs(hallSensor->getFieldStrength() % 1000));
stevew817 0:fe1dd6f4950c 97
stevew817 0:fe1dd6f4950c 98 Thread::wait(15000);
stevew817 0:fe1dd6f4950c 99 } while(1);
stevew817 0:fe1dd6f4950c 100 }