main5.cpp

00001 /*
00002  * Mbed Application program
00003  *  Nano 33 BLE Sense board runs on mbed-OS6
00004  *      HTS221 + LSM9DS1 + LPS22HB sensors
00005  *
00006  * Copyright (c) 2020,'21 Kenji Arai / JH1PJL
00007  *      http://www7b.biglobe.ne.jp/~kenjia/
00008  *      https://os.mbed.com/users/kenjiArai/
00009  *      Started:    January   22nd, 2020
00010  *      Revised:    February  28th, 2021
00011  */
00012 
00013 //  Pre-selection --------------------------------------------------------------
00014 #include    "select_example.h"
00015 //#define EXAMPLE_5_COMB_ENV_SENSORS
00016 #ifdef EXAMPLE_5_COMB_ENV_SENSORS
00017 
00018 //  Include --------------------------------------------------------------------
00019 #include    "mbed.h"
00020 #include    "nano33blesense_iodef.h"
00021 #include    "LPS22HB.h"
00022 #include    "LSM9DS1.h"
00023 #include    "HTS221.h"
00024 
00025 //  Definition -----------------------------------------------------------------
00026 
00027 //  Object ---------------------------------------------------------------------
00028 DigitalOut      sen_pwr(PIN_VDD_ENV, 1);
00029 DigitalOut      i2c_pullup(PIN_I2C_PULLUP, 1);
00030 DigitalOut      led_y(PIN_YELLOW, 0);
00031 DigitalOut      led_g(PIN_GREEN, 0);
00032 DigitalOut      lr(PIN_LR, 1);
00033 DigitalOut      lg(PIN_LG, 1);
00034 DigitalOut      lb(PIN_LB, 1);
00035 I2C             i2c(PIN_SDA1, PIN_SCL1);
00036 LSM9DS1         *imu = NULL;
00037 LPS22HB         *baro = NULL;
00038 HTS221          *hum = NULL;
00039 Timer           t;
00040     
00041 //  RAM ------------------------------------------------------------------------
00042 
00043 //  ROM / Constant data --------------------------------------------------------
00044 const char *const msg0 = "Run Nano 33 BLE Sense module on Mbed-os";
00045 const char *const msg1 = "Compiled on Mbed Studio:1.3.1";
00046 const char *const msg2 = "Target is ARDUINO_NANO33BLE with Debug mode";
00047 
00048 //  Function prototypes --------------------------------------------------------
00049 
00050 //  subroutin (must be at this below line and do NOT change order) -------------
00051 #include    "usb_serial_as_stdio.h"
00052 #include    "check_revision.h"
00053 #include    "common.h"
00054 
00055 //------------------------------------------------------------------------------
00056 //  Control Program
00057 //------------------------------------------------------------------------------
00058 int main()
00059 {
00060     HTS221::HTS221_status_t aux;
00061     HTS221::HTS221_data_t   hum_data;
00062 
00063     usb_serial_initialize();
00064     print_revision();
00065     led_y = 1;
00066     i2c_pullup = 1;
00067     sen_pwr = 1;
00068     print_usb("%s\r\n%s\r\n%s\r\n", msg0, msg1, msg2);
00069     ThisThread::sleep_for(200ms);
00070     imu  = new LSM9DS1(PIN_SDA1, PIN_SCL1);
00071     baro = new LPS22HB(i2c, LPS22HB_G_CHIP_ADDR);
00072     hum  = new HTS221(PIN_SDA1, PIN_SCL1,HTS221::HTS221_ADDRESS, 400000);
00073     baro->set_odr();
00074     check_i2c_sensors();
00075     uint32_t n = 0;
00076     led_y = 0;
00077     led_g = 1;
00078     while(true) {
00079         t.reset();
00080         t.start();
00081         // Starting
00082         lr = 0;
00083         baro->get();
00084         hum->HTS221_SetOneShot();
00085         imu->begin();
00086         lr = 1;
00087         // Waiting
00088         lg = 0;
00089         do {
00090             thread_sleep_for(2);
00091             aux = hum->HTS221_GetOneShot(&hum_data);
00092         } while(hum_data.one_shot == HTS221::CTRL_REG2_ONE_SHOT_WAITING);
00093         while (baro->data_ready() == 0){
00094              thread_sleep_for(2);
00095         }
00096         lg = 1;
00097         // Reading
00098         lb = 0;
00099         hum->HTS221_GetCalibrationCoefficients (&hum_data);
00100         hum->HTS221_GetTemperature(&hum_data);
00101         hum->HTS221_GetHumidity(&hum_data);
00102         imu->readTemp();
00103         float press = baro->pressure();
00104         float temp = baro->temperature();
00105         uint32_t passed_time = chrono::duration_cast<chrono::milliseconds>(
00106                                t.elapsed_time()).count();
00107         lb = 1;
00108         // Showing
00109         lr = 0;
00110         lg = 0;
00111         lb = 0;
00112         print_usb("Temperature[degC]: HTS221=,%+4.1f,", hum_data.temperature);
00113         print_usb("LPS22HB=,%+4.1f,LSM9DS1=,%+4.1f,",
00114                   temp, imu->temperature_c);
00115         print_usb("Humidity[RH %%]: HTS221=,%3.1f,", hum_data.humidity);
00116         print_usb("Pressure[hPa]: LPS22H=,%6.2f,",  press);
00117         ++n;
00118         print_usb("processing time:,%2d,[ms],count:,%4d\r\n", passed_time, n);
00119         lr = 1;
00120         lg = 1;
00121         lb = 1;
00122         if (passed_time < 999){
00123             ThisThread::sleep_for(chrono::milliseconds(1000 - passed_time));
00124         }
00125     }
00126 }
00127 
00128 #endif  // EXAMPLE_5_COMB_ENV_SENSORS