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@1:7174444a05e2, 2017-05-09 (annotated)

Committer:
Steven Cooreman
Date:
Tue May 09 08:58:09 2017 -0600
Revision:
1:7174444a05e2
Parent:
0:fe1dd6f4950c
Child:
2:f80572d04d7a
Fix compilation errors

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 "AMS_CCS811.h"
stevew817 0:fe1dd6f4950c 22 #include "Si7021.h"
stevew817 0:fe1dd6f4950c 23 #include "Si7210.h"
stevew817 0:fe1dd6f4950c 24
stevew817 0:fe1dd6f4950c 25 DigitalOut env_en(PF9, 1);
stevew817 0:fe1dd6f4950c 26 DigitalOut ccs_en(PF14, 1);
stevew817 0:fe1dd6f4950c 27 DigitalOut ccs_wake(PF15, 1);
stevew817 0:fe1dd6f4950c 28 DigitalOut hall_en(PB10, 1);
stevew817 0:fe1dd6f4950c 29
stevew817 0:fe1dd6f4950c 30 I2C ccs_i2c(PB6, PB7);
stevew817 0:fe1dd6f4950c 31 I2C hall_i2c(PB8, PB9);
stevew817 0:fe1dd6f4950c 32 I2C env_i2c(PC4, PC5);
stevew817 0:fe1dd6f4950c 33
stevew817 0:fe1dd6f4950c 34 int main() {
stevew817 0:fe1dd6f4950c 35 uint32_t eco2, tvoc;
stevew817 0:fe1dd6f4950c 36 float pressure, temperature2;
stevew817 0:fe1dd6f4950c 37 int32_t temperature;
stevew817 0:fe1dd6f4950c 38 uint32_t humidity;
stevew817 0:fe1dd6f4950c 39
stevew817 0:fe1dd6f4950c 40 ccs_en = 0;
stevew817 0:fe1dd6f4950c 41 wait_ms(1000);
stevew817 0:fe1dd6f4950c 42 ccs_en = 1;
stevew817 0:fe1dd6f4950c 43 wait_ms(1000);
stevew817 0:fe1dd6f4950c 44
stevew817 0:fe1dd6f4950c 45 /* Initialize air quality sensor */
stevew817 0:fe1dd6f4950c 46 AMS_CCS811* gasSensor = new AMS_CCS811(&ccs_i2c, PF15);
stevew817 0:fe1dd6f4950c 47 if(!gasSensor->init()) {
stevew817 0:fe1dd6f4950c 48 printf("Failed CCS init\r\n");
stevew817 0:fe1dd6f4950c 49 }
Steven Cooreman 1:7174444a05e2 50 if(!gasSensor->mode(AMS_CCS811::TEN_SECOND)) {
Steven Cooreman 1:7174444a05e2 51 printf("Failed to set mode\r\n");
Steven Cooreman 1:7174444a05e2 52 }
stevew817 0:fe1dd6f4950c 53 wait_ms(10);
stevew817 0:fe1dd6f4950c 54
stevew817 0:fe1dd6f4950c 55 /* Initialize barometer and RHT */
stevew817 0:fe1dd6f4950c 56 BMP280* pressureSensor = new BMP280(env_i2c);
Steven Cooreman 1:7174444a05e2 57 Si7021* rhtSensor = new Si7021(PC4, PC5);
stevew817 0:fe1dd6f4950c 58
stevew817 0:fe1dd6f4950c 59 printf("\r\n\r\nHello Jumbo...\r\n");
stevew817 0:fe1dd6f4950c 60
stevew817 0:fe1dd6f4950c 61 /* Check if hall sensor is alive */
stevew817 0:fe1dd6f4950c 62 silabs::Si7210* hallSensor = new silabs::Si7210(&hall_i2c);
stevew817 0:fe1dd6f4950c 63 uint8_t id;
stevew817 0:fe1dd6f4950c 64 hallSensor->wakeup();
stevew817 0:fe1dd6f4950c 65 hallSensor->readRegister(SI72XX_HREVID, &id);
stevew817 0:fe1dd6f4950c 66 printf("Hall ID: %d\r\n", id);
stevew817 0:fe1dd6f4950c 67
stevew817 0:fe1dd6f4950c 68 do {
stevew817 0:fe1dd6f4950c 69 /* Measure barometric pressure */
stevew817 0:fe1dd6f4950c 70 rhtSensor->measure();
stevew817 0:fe1dd6f4950c 71 rhtSensor->measure();
stevew817 0:fe1dd6f4950c 72 temperature = rhtSensor->get_temperature();
stevew817 0:fe1dd6f4950c 73 humidity = rhtSensor->get_humidity();
stevew817 0:fe1dd6f4950c 74
stevew817 0:fe1dd6f4950c 75 temperature2 = pressureSensor->getTemperature();
stevew817 0:fe1dd6f4950c 76 pressure = pressureSensor->getPressure();
stevew817 0:fe1dd6f4950c 77
stevew817 0:fe1dd6f4950c 78 /* Measure air quality */
stevew817 0:fe1dd6f4950c 79 gasSensor->has_new_data();
stevew817 0:fe1dd6f4950c 80 eco2 = gasSensor->co2_read();
stevew817 0:fe1dd6f4950c 81 tvoc = gasSensor->tvoc_read();
stevew817 0:fe1dd6f4950c 82
stevew817 0:fe1dd6f4950c 83 /* measure HALL */
stevew817 0:fe1dd6f4950c 84 hallSensor->measureOnce();
stevew817 0:fe1dd6f4950c 85
stevew817 0:fe1dd6f4950c 86 printf("-------------------------\r\n");
stevew817 0:fe1dd6f4950c 87 printf("BMP280:\r\n");
stevew817 0:fe1dd6f4950c 88 printf("P: %.2f bar\r\n", pressure);
stevew817 0:fe1dd6f4950c 89 printf("T: %.2f degC\r\n", temperature2);
stevew817 0:fe1dd6f4950c 90 printf("Si7021:\r\n");
stevew817 0:fe1dd6f4950c 91 printf("T: %ld.%03ld degC\r\n", temperature/1000, abs(temperature%1000));
stevew817 0:fe1dd6f4950c 92 printf("h: %ld.%03ld %%\r\n", humidity/1000, humidity%1000);
stevew817 0:fe1dd6f4950c 93 printf("CCS811:\r\n");
stevew817 0:fe1dd6f4950c 94 printf("CO2: %ld ppm\r\n", eco2);
stevew817 0:fe1dd6f4950c 95 printf("VoC: %ld ppb\r\n", tvoc);
stevew817 0:fe1dd6f4950c 96 printf("Si7210:\r\n");
stevew817 0:fe1dd6f4950c 97 printf("T: %d.%02d degC\r\n", hallSensor->getTemperature()/1000, abs(hallSensor->getTemperature()%1000));
stevew817 0:fe1dd6f4950c 98 printf("F: %i.%03d mT\r\n", (int)(hallSensor->getFieldStrength()/1000), abs(hallSensor->getFieldStrength() % 1000));
stevew817 0:fe1dd6f4950c 99
stevew817 0:fe1dd6f4950c 100 Thread::wait(15000);
stevew817 0:fe1dd6f4950c 101 } while(1);
stevew817 0:fe1dd6f4950c 102 }