Kenji Arai / Mbed OS Arduino_Nano33BLESense_examples

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Dependencies:   APDS_9960 LPS22HB LSM9DS1 HTS221

3_check_LPS22HB/main3.cpp@2:9ee17e6e5900, 2021-02-28 (annotated)

Committer:
kenjiArai
Date:
Sun Feb 28 23:49:07 2021 +0000
Revision:
2:9ee17e6e5900
Parent:
1:cce280da16d4 
change comments in select_example.h

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 0:f1a10797d9f6 1 /*
kenjiArai 0:f1a10797d9f6 2 * Mbed Application program
kenjiArai 1:cce280da16d4 3 * Nano 33 BLE Sense board runs on mbed-OS6
kenjiArai 0:f1a10797d9f6 4 * LPS33HB -> MEMS nano pressure sensor:
kenjiArai 0:f1a10797d9f6 5 * 260-1260 hPa absolute Digital output barometer
kenjiArai 0:f1a10797d9f6 6 * by STMicroelectronics
kenjiArai 0:f1a10797d9f6 7 *
kenjiArai 1:cce280da16d4 8 * Copyright (c) 2020,'21 Kenji Arai / JH1PJL
kenjiArai 0:f1a10797d9f6 9 * http://www7b.biglobe.ne.jp/~kenjia/
kenjiArai 0:f1a10797d9f6 10 * https://os.mbed.com/users/kenjiArai/
kenjiArai 0:f1a10797d9f6 11 * Started: January 22nd, 2020
kenjiArai 1:cce280da16d4 12 * Revised: February 28th, 2021
kenjiArai 0:f1a10797d9f6 13 */
kenjiArai 0:f1a10797d9f6 14
kenjiArai 0:f1a10797d9f6 15 // Pre-selection --------------------------------------------------------------
kenjiArai 0:f1a10797d9f6 16 #include "select_example.h"
kenjiArai 0:f1a10797d9f6 17 //#define EXAMPLE_3_CHECK_LPS22HB
kenjiArai 0:f1a10797d9f6 18 #ifdef EXAMPLE_3_CHECK_LPS22HB
kenjiArai 0:f1a10797d9f6 19
kenjiArai 0:f1a10797d9f6 20 // Include --------------------------------------------------------------------
kenjiArai 0:f1a10797d9f6 21 #include "mbed.h"
kenjiArai 0:f1a10797d9f6 22 #include "nano33blesense_iodef.h"
kenjiArai 0:f1a10797d9f6 23 #include "LPS22HB.h"
kenjiArai 0:f1a10797d9f6 24
kenjiArai 0:f1a10797d9f6 25 // Definition -----------------------------------------------------------------
kenjiArai 0:f1a10797d9f6 26
kenjiArai 0:f1a10797d9f6 27 // Constructor ----------------------------------------------------------------
kenjiArai 0:f1a10797d9f6 28 DigitalOut sen_pwr(PIN_VDD_ENV, 1);
kenjiArai 0:f1a10797d9f6 29 DigitalOut i2c_pullup(PIN_I2C_PULLUP, 1);
kenjiArai 0:f1a10797d9f6 30 I2C i2c(PIN_SDA1, PIN_SCL1);
kenjiArai 0:f1a10797d9f6 31 LPS22HB *baro = NULL;
kenjiArai 0:f1a10797d9f6 32 Timer t;
kenjiArai 0:f1a10797d9f6 33
kenjiArai 0:f1a10797d9f6 34 // RAM ------------------------------------------------------------------------
kenjiArai 0:f1a10797d9f6 35
kenjiArai 0:f1a10797d9f6 36 // ROM / Constant data --------------------------------------------------------
kenjiArai 0:f1a10797d9f6 37
kenjiArai 0:f1a10797d9f6 38 // Function prototypes --------------------------------------------------------
kenjiArai 1:cce280da16d4 39
kenjiArai 1:cce280da16d4 40 // subroutin (must be at this below line and do NOT change order) -------------
kenjiArai 1:cce280da16d4 41 #include "usb_serial_as_stdio.h"
kenjiArai 1:cce280da16d4 42 #include "check_revision.h"
kenjiArai 1:cce280da16d4 43 #include "common.h"
kenjiArai 0:f1a10797d9f6 44
kenjiArai 0:f1a10797d9f6 45 //------------------------------------------------------------------------------
kenjiArai 0:f1a10797d9f6 46 // Control Program
kenjiArai 0:f1a10797d9f6 47 //------------------------------------------------------------------------------
kenjiArai 0:f1a10797d9f6 48 int main()
kenjiArai 0:f1a10797d9f6 49 {
kenjiArai 1:cce280da16d4 50 usb_serial_initialize();
kenjiArai 1:cce280da16d4 51 print_revision();
kenjiArai 0:f1a10797d9f6 52 i2c_pullup = 1;
kenjiArai 0:f1a10797d9f6 53 sen_pwr = 1;
kenjiArai 1:cce280da16d4 54 print_usb("Check LSM9DS1\r\n");
kenjiArai 1:cce280da16d4 55 ThisThread::sleep_for(200ms);
kenjiArai 0:f1a10797d9f6 56 // check I2C line
kenjiArai 0:f1a10797d9f6 57 check_i2c_connected_devices();
kenjiArai 0:f1a10797d9f6 58 baro = new LPS22HB(i2c, LPS22HB_G_CHIP_ADDR);
kenjiArai 0:f1a10797d9f6 59 uint8_t id = baro->read_id();
kenjiArai 0:f1a10797d9f6 60 if (id == I_AM_LPS22HB) {
kenjiArai 1:cce280da16d4 61 print_usb("LPS22H is ready. ID = 0x%x\r\n", id);
kenjiArai 0:f1a10797d9f6 62 } else {
kenjiArai 1:cce280da16d4 63 print_usb("LPS22H is NOT ready. return value = 0x%x\r\n", id);
kenjiArai 0:f1a10797d9f6 64 }
kenjiArai 0:f1a10797d9f6 65 baro->set_odr();
kenjiArai 0:f1a10797d9f6 66 uint32_t n = 0;
kenjiArai 0:f1a10797d9f6 67 while(true) {
kenjiArai 0:f1a10797d9f6 68 t.reset();
kenjiArai 0:f1a10797d9f6 69 t.start();
kenjiArai 0:f1a10797d9f6 70 baro->get();
kenjiArai 0:f1a10797d9f6 71 while (baro->data_ready() == 0){
kenjiArai 1:cce280da16d4 72 ThisThread::sleep_for(2ms);
kenjiArai 0:f1a10797d9f6 73 }
kenjiArai 1:cce280da16d4 74 print_usb("Pressure:,%6.1f,[hPa],Temperature:,%+4.1f,[degC],",
kenjiArai 0:f1a10797d9f6 75 baro->pressure(), baro->temperature());
kenjiArai 0:f1a10797d9f6 76 ++n;
kenjiArai 1:cce280da16d4 77 uint32_t passed_time = chrono::duration_cast<chrono::milliseconds>(
kenjiArai 1:cce280da16d4 78 t.elapsed_time()).count();
kenjiArai 1:cce280da16d4 79 print_usb("processing time:,%2d,[ms],count:,%4d\r\n", passed_time, n);
kenjiArai 0:f1a10797d9f6 80 if (passed_time < 999){
kenjiArai 1:cce280da16d4 81 ThisThread::sleep_for(chrono::milliseconds(1000 - passed_time));
kenjiArai 0:f1a10797d9f6 82 }
kenjiArai 0:f1a10797d9f6 83 }
kenjiArai 0:f1a10797d9f6 84 }
kenjiArai 0:f1a10797d9f6 85
kenjiArai 0:f1a10797d9f6 86 #endif // EXAMPLE_3_CHECK_LPS22HB