Mike Fiore / Mbed OS unh-hackathon-example

example using LOF sensor board and MEMS sensor board

Dependencies:   ST_INTERFACES X_NUCLEO_53L0A1 X_NUCLEO_COMMON X_NUCLEO_IKS01A1 Senet_Packet libmDot-mbed5

main.cpp@2:a0fb0b785bd6, 2017-04-08 (annotated)

Committer:
Mike Fiore
Date:
Sat Apr 08 08:44:52 2017 -0400
Revision:
2:a0fb0b785bd6
Parent:
1:a2c5a8a74527
Child:
5:1a52bf3f0fb9
switch to a single threaded implementation - libraries didn't like multithreading

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mfiore 0:06fc5a68ead2 1 #include "mbed.h"
mfiore 0:06fc5a68ead2 2 #include "x_nucleo_iks01a1.h"
mfiore 0:06fc5a68ead2 3 #include "x_nucleo_53l0a1.h"
mfiore 0:06fc5a68ead2 4
mfiore 0:06fc5a68ead2 5 DevI2C i2c(D14, D15);
mfiore 0:06fc5a68ead2 6
mfiore 0:06fc5a68ead2 7 /* Instantiate the expansion board */
mfiore 0:06fc5a68ead2 8 static X_NUCLEO_IKS01A1 *mems_expansion_board = X_NUCLEO_IKS01A1::Instance(&i2c);
mfiore 0:06fc5a68ead2 9 // MAKE SURE YOU JUMPER PIN D7 TO PIN D8!
Mike Fiore 1:a2c5a8a74527 10 static X_NUCLEO_53L0A1 *range_board = X_NUCLEO_53L0A1::Instance(&i2c, A2, D7, D2);
mfiore 0:06fc5a68ead2 11
mfiore 0:06fc5a68ead2 12 /* Retrieve the composing elements of the expansion board */
mfiore 0:06fc5a68ead2 13 static GyroSensor *gyroscope = mems_expansion_board->GetGyroscope();
mfiore 0:06fc5a68ead2 14 static MotionSensor *accelerometer = mems_expansion_board->GetAccelerometer();
mfiore 0:06fc5a68ead2 15 static MagneticSensor *magnetometer = mems_expansion_board->magnetometer;
mfiore 0:06fc5a68ead2 16 static HumiditySensor *humidity_sensor = mems_expansion_board->ht_sensor;
mfiore 0:06fc5a68ead2 17 static PressureSensor *pressure_sensor = mems_expansion_board->pt_sensor;
mfiore 0:06fc5a68ead2 18 static TempSensor *temp_sensor1 = mems_expansion_board->ht_sensor;
mfiore 0:06fc5a68ead2 19 static TempSensor *temp_sensor2 = mems_expansion_board->pt_sensor;
mfiore 0:06fc5a68ead2 20
mfiore 0:06fc5a68ead2 21 /* Helper function for printing floats & doubles */
mfiore 0:06fc5a68ead2 22 static char *printDouble(char* str, double v, int decimalDigits=2) {
mfiore 0:06fc5a68ead2 23 int i = 1;
mfiore 0:06fc5a68ead2 24 int intPart, fractPart;
mfiore 0:06fc5a68ead2 25 int len;
mfiore 0:06fc5a68ead2 26 char *ptr;
mfiore 0:06fc5a68ead2 27
mfiore 0:06fc5a68ead2 28 /* prepare decimal digits multiplicator */
mfiore 0:06fc5a68ead2 29 for (;decimalDigits!=0; i*=10, decimalDigits--);
mfiore 0:06fc5a68ead2 30
mfiore 0:06fc5a68ead2 31 /* calculate integer & fractinal parts */
mfiore 0:06fc5a68ead2 32 intPart = (int)v;
mfiore 0:06fc5a68ead2 33 fractPart = (int)((v-(double)(int)v)*i);
mfiore 0:06fc5a68ead2 34
mfiore 0:06fc5a68ead2 35 /* fill in integer part */
mfiore 0:06fc5a68ead2 36 sprintf(str, "%i.", intPart);
mfiore 0:06fc5a68ead2 37
mfiore 0:06fc5a68ead2 38 /* prepare fill in of fractional part */
mfiore 0:06fc5a68ead2 39 len = strlen(str);
mfiore 0:06fc5a68ead2 40 ptr = &str[len];
mfiore 0:06fc5a68ead2 41
mfiore 0:06fc5a68ead2 42 /* fill in leading fractional zeros */
mfiore 0:06fc5a68ead2 43 for (i/=10;i>1; i/=10, ptr++) {
mfiore 0:06fc5a68ead2 44 if(fractPart >= i) break;
mfiore 0:06fc5a68ead2 45 *ptr = '0';
mfiore 0:06fc5a68ead2 46 }
mfiore 0:06fc5a68ead2 47
mfiore 0:06fc5a68ead2 48 /* fill in (rest of) fractional part */
mfiore 0:06fc5a68ead2 49 sprintf(ptr, "%i", fractPart);
mfiore 0:06fc5a68ead2 50
mfiore 0:06fc5a68ead2 51 return str;
mfiore 0:06fc5a68ead2 52 }
mfiore 0:06fc5a68ead2 53
Mike Fiore 2:a0fb0b785bd6 54 void start_mems_board() {
mfiore 0:06fc5a68ead2 55 uint8_t id;
Mike Fiore 2:a0fb0b785bd6 56
Mike Fiore 2:a0fb0b785bd6 57 humidity_sensor->read_id(&id);
Mike Fiore 2:a0fb0b785bd6 58 printf("HTS221 humidity & temperature = 0x%X\r\n", id);
Mike Fiore 2:a0fb0b785bd6 59
Mike Fiore 2:a0fb0b785bd6 60 pressure_sensor->read_id(&id);
Mike Fiore 2:a0fb0b785bd6 61 printf("LPS25H pressure & temperature = 0x%X\r\n", id);
Mike Fiore 2:a0fb0b785bd6 62
Mike Fiore 2:a0fb0b785bd6 63 magnetometer->read_id(&id);
Mike Fiore 2:a0fb0b785bd6 64 printf("LIS3MDL magnetometer = 0x%X\r\n", id);
Mike Fiore 2:a0fb0b785bd6 65
Mike Fiore 2:a0fb0b785bd6 66 gyroscope->read_id(&id);
Mike Fiore 2:a0fb0b785bd6 67 printf("LSM6DS0 accelerometer & gyroscope = 0x%X\r\n", id);
Mike Fiore 2:a0fb0b785bd6 68
Mike Fiore 2:a0fb0b785bd6 69 wait(3);
Mike Fiore 2:a0fb0b785bd6 70 }
Mike Fiore 2:a0fb0b785bd6 71
Mike Fiore 2:a0fb0b785bd6 72 void start_range_board() {
Mike Fiore 2:a0fb0b785bd6 73 range_board->InitBoard();
Mike Fiore 2:a0fb0b785bd6 74
Mike Fiore 2:a0fb0b785bd6 75 wait(1);
Mike Fiore 2:a0fb0b785bd6 76 }
Mike Fiore 2:a0fb0b785bd6 77
Mike Fiore 2:a0fb0b785bd6 78 int main() {
mfiore 0:06fc5a68ead2 79 float value1, value2;
mfiore 0:06fc5a68ead2 80 char buffer1[32], buffer2[32];
mfiore 0:06fc5a68ead2 81 int32_t axes[3];
Mike Fiore 1:a2c5a8a74527 82 int ret;
mfiore 0:06fc5a68ead2 83 int status;
mfiore 0:06fc5a68ead2 84 uint32_t distance;
mfiore 0:06fc5a68ead2 85
Mike Fiore 2:a0fb0b785bd6 86 printf("\r\n--- Application starting up ---\r\n");
mfiore 0:06fc5a68ead2 87
Mike Fiore 2:a0fb0b785bd6 88 printf("\r\n--- Initializing mems board ---\r\n");
Mike Fiore 2:a0fb0b785bd6 89 start_mems_board();
Mike Fiore 2:a0fb0b785bd6 90
Mike Fiore 2:a0fb0b785bd6 91 printf("\r\n--- Initializing range board ---\r\n");
Mike Fiore 2:a0fb0b785bd6 92 start_range_board();
mfiore 0:06fc5a68ead2 93
mfiore 0:06fc5a68ead2 94 while (true) {
Mike Fiore 2:a0fb0b785bd6 95
Mike Fiore 2:a0fb0b785bd6 96 ret = temp_sensor1->get_temperature(&value1);
Mike Fiore 2:a0fb0b785bd6 97 if (ret) {
Mike Fiore 2:a0fb0b785bd6 98 printf("failed to get temp C\r\n");
Mike Fiore 2:a0fb0b785bd6 99 }
Mike Fiore 2:a0fb0b785bd6 100 ret = humidity_sensor->get_humidity(&value2);
Mike Fiore 2:a0fb0b785bd6 101 if (ret) {
Mike Fiore 2:a0fb0b785bd6 102 printf("failed to get humidity\r\n");
Mike Fiore 2:a0fb0b785bd6 103 }
Mike Fiore 2:a0fb0b785bd6 104 printf("HTS221: [temp] %7s°C, [hum] %s%%\r\n", printDouble(buffer1, value1), printDouble(buffer2, value2));
Mike Fiore 2:a0fb0b785bd6 105 //printf("HTS221: [temp] %f°C\r\n", value1);
Mike Fiore 2:a0fb0b785bd6 106 //printf("HTS221: [hum] %f%%\r\n", value2);
Mike Fiore 2:a0fb0b785bd6 107
Mike Fiore 2:a0fb0b785bd6 108 ret = temp_sensor2->get_fahrenheit(&value1);
Mike Fiore 2:a0fb0b785bd6 109 if (ret) {
Mike Fiore 2:a0fb0b785bd6 110 printf("failed to get temp F\r\n");
Mike Fiore 2:a0fb0b785bd6 111 }
Mike Fiore 2:a0fb0b785bd6 112 ret = pressure_sensor->get_pressure(&value2);
Mike Fiore 2:a0fb0b785bd6 113 if (ret) {
Mike Fiore 2:a0fb0b785bd6 114 printf("failed to get pressure F\r\n");
Mike Fiore 2:a0fb0b785bd6 115 }
Mike Fiore 2:a0fb0b785bd6 116 printf("LPS25H: [temp] %7s°F, [press] %smbar\r\n", printDouble(buffer1, value1), printDouble(buffer2, value2));
Mike Fiore 2:a0fb0b785bd6 117 //printf("LPS25H: [temp] %f°F\r\n", value1);
Mike Fiore 2:a0fb0b785bd6 118 //printf("LPS25H: [press] %fmbar\r\n", value2);
Mike Fiore 2:a0fb0b785bd6 119
Mike Fiore 2:a0fb0b785bd6 120 ret = magnetometer->get_m_axes(axes);
Mike Fiore 2:a0fb0b785bd6 121 if (ret) {
Mike Fiore 2:a0fb0b785bd6 122 printf("failed to get magnetometer\r\n");
Mike Fiore 2:a0fb0b785bd6 123 }
Mike Fiore 2:a0fb0b785bd6 124 printf("LIS3MDL [mag/mgauss]: %7ld, %7ld, %7ld\r\n", axes[0], axes[1], axes[2]);
Mike Fiore 2:a0fb0b785bd6 125
Mike Fiore 2:a0fb0b785bd6 126 ret = accelerometer->get_x_axes(axes);
Mike Fiore 2:a0fb0b785bd6 127 if (ret) {
Mike Fiore 2:a0fb0b785bd6 128 printf("failed to get accelerometer\r\n");
Mike Fiore 2:a0fb0b785bd6 129 }
Mike Fiore 2:a0fb0b785bd6 130 printf("LSM6DS0 [acc/mg]: %7ld, %7ld, %7ld\r\n", axes[0], axes[1], axes[2]);
Mike Fiore 2:a0fb0b785bd6 131
Mike Fiore 2:a0fb0b785bd6 132 ret = gyroscope->get_g_axes(axes);
Mike Fiore 2:a0fb0b785bd6 133 if (ret) {
Mike Fiore 2:a0fb0b785bd6 134 printf("failed to get gyroscope\r\n");
Mike Fiore 2:a0fb0b785bd6 135 }
Mike Fiore 2:a0fb0b785bd6 136 printf("LSM6DS0 [gyro/mdps]: %7ld, %7ld, %7ld\r\n", axes[0], axes[1], axes[2]);
Mike Fiore 2:a0fb0b785bd6 137
Mike Fiore 1:a2c5a8a74527 138 status = range_board->sensor_centre->GetDistance(&distance);
mfiore 0:06fc5a68ead2 139 if (status == VL53L0X_ERROR_NONE) {
Mike Fiore 2:a0fb0b785bd6 140 printf("Distance : %ld\n", distance);
Mike Fiore 2:a0fb0b785bd6 141 } else {
Mike Fiore 2:a0fb0b785bd6 142 printf("failed to get distance - possibly out of range!\r\n");
mfiore 0:06fc5a68ead2 143 }
mfiore 0:06fc5a68ead2 144
Mike Fiore 2:a0fb0b785bd6 145 wait(1);
mfiore 0:06fc5a68ead2 146 }
mfiore 0:06fc5a68ead2 147 }