trabalho
Dependencies: X_NUCLEO_IKS01A1 mbed-rtos mbed
Fork of HelloWorld_IKS01A1 by
expansionBoard.cpp
- Committer:
- Jacinta
- Date:
- 2016-05-10
- Revision:
- 33:115aa467b4fa
- Parent:
- 31:eb7320bd1d37
File content as of revision 33:115aa467b4fa:
#include "mbed.h" #include "x_nucleo_iks01a1.h" #include "mailBox.cpp" using namespace std; /* Instantiate the expansion board */ static X_NUCLEO_IKS01A1 *mems_expansion_board = X_NUCLEO_IKS01A1::Instance(D14, D15); static GyroSensor *gyroscope = mems_expansion_board->GetGyroscope(); static MotionSensor *accelerometer = mems_expansion_board->GetAccelerometer(); static MagneticSensor *magnetometer = mems_expansion_board->magnetometer; static HumiditySensor *humidity_sensor = mems_expansion_board->ht_sensor; static PressureSensor *pressure_sensor = mems_expansion_board->pt_sensor; static TempSensor *temp_sensor1 = mems_expansion_board->ht_sensor; static TempSensor *temp_sensor2 = mems_expansion_board->pt_sensor; static Ticker ticker; void readData(); class ExpansionBoard { public: float T; int count; private: /* Helper function for printing floats & doubles */ static char *printDouble(char* str, double v, int decimalDigits=2) { int i = 1; int intPart, fractPart; int len; char *ptr; /* prepare decimal digits multiplicator */ for (; decimalDigits!=0; i*=10, decimalDigits--); /* calculate integer & fractinal parts */ intPart = (int)v; fractPart = (int)((v-(double)(int)v)*i); /* fill in integer part */ sprintf(str, "%i.", intPart); /* prepare fill in of fractional part */ len = strlen(str); ptr = &str[len]; /* fill in leading fractional zeros */ for (i/=10; i>1; i/=10, ptr++) { if(fractPart >= i) break; *ptr = '0'; } /* fill in (rest of) fractional part */ sprintf(ptr, "%i", fractPart); return str; } //This is the producer void readData() { float value1, value2; char buffer1[32], buffer2[32]; int32_t axes[3]; log_data *log_d = (log_data*)mail_box.alloc(); //TODO Too small!? log_d->id = rand() % 255; //TODO Out of memory, specs say to delete oldest sample if (log_d == NULL) return; temp_sensor1->GetTemperature(&value1); humidity_sensor->GetHumidity(&value2); printf("HTS221: [temp] %7s°C, [hum] %s%%\r\n", printDouble(buffer1, value1), printDouble(buffer2, value2)); log_d->tempCelsius = value1; log_d->humidity = value2; temp_sensor2->GetFahrenheit(&value1); pressure_sensor->GetPressure(&value2); printf("LPS25H: [temp] %7s°F, [press] %smbar\r\n", printDouble(buffer1, value1), printDouble(buffer2, value2)); log_d->tempFarenheit = value1; log_d->pressure = value2; printf("---\r\n"); magnetometer->Get_M_Axes(axes); printf("LIS3MDL [mag/mgauss]: %6ld, %6ld, %6ld\r\n", axes[0], axes[1], axes[2]); memcpy(&log_d->magnetometer, &axes, sizeof(axes)); accelerometer->Get_X_Axes(axes); printf("LSM6DS0 [acc/mg]: %6ld, %6ld, %6ld\r\n", axes[0], axes[1], axes[2]); memcpy(&log_d->accelerometer, &axes, sizeof(axes)); gyroscope->Get_G_Axes(axes); printf("LSM6DS0 [gyro/mdps]: %6ld, %6ld, %6ld\r\n", axes[0], axes[1], axes[2]); memcpy (&log_d->accelerometer, &axes, sizeof(axes)); //TODO Not sure about this one, maybe use time() //log_d->date = asctime(localtime()); //Send pointer to the queue osStatus *stat = (osStatus*)mail_box.put(log_d); count++; // Check for resource error if (stat == osErrorResource.osStatus) { printf("mail_box->put() Error %4Xh", stat); //Error, free up memory block mail_box.free(log_d); count--; return; } } public: ExpansionBoard() : count(0) { /* Retrieve the composing elements of the expansion board */ uint8_t id; humidity_sensor->ReadID(&id); printf("HTS221 humidity & temperature = 0x%X\r\n", id); pressure_sensor->ReadID(&id); printf("LPS25H pressure & temperature = 0x%X\r\n", id); magnetometer->ReadID(&id); printf("LIS3MDL magnetometer = 0x%X\r\n", id); gyroscope->ReadID(&id); printf("LSM6DS0 accelerometer & gyroscope = 0x%X\r\n", id); } void startSampling() { //TODO For now it just spits out the data //but data must be passed to the FIFO ticker.attach(this, &ExpansionBoard::readData, T); } void stopSampling() { ticker.detach(); } };