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LSM303DLH Test Program for get angle.
Dependencies: L3GD20 LSM303DLHC SDFileSystemLatch mbed nrf51_rtc
Fork of LSM303DLHTest by
main.cpp
- Committer:
- afmiee
- Date:
- 2016-07-14
- Revision:
- 5:b1a689c55f59
- Parent:
- 4:3c677edffb13
File content as of revision 5:b1a689c55f59:
// Latch Inc. // Antonio F Mondragon // 20160714 // for the Adafruit 9DOF Modulke and the Sparkfun microSD card shield #include "mbed.h" #include "LSM303DLHC.h" #include "L3GD20.h" #include "SDFileSystem.h" #include "nrf51_rtc.h" #define M_PI 3.14158 // Create objects Serial debug(USBTX,USBRX); // For Nordic LSM303DLHC compass(p7, p30); L3GD20 gyro(p7, p30); // Create the SD filesystem SDFileSystem sd(p25, p28, p29, p20, "sd"); // MOSI, MISO, SCLK, SSEL // Create a ticker to use the nRF51 RTC Ticker flipper; // Assign interrupts to switches InterruptIn btn1(p17); // Start sampling InterruptIn btn2(p18); // Stop sampoling // LED definitions DigitalOut led1(LED1); DigitalOut led2(LED2); // Global variables int start = 0; int stop = 0; // Generated when button 1 is pressed on rising edge START void start_smpl() { start = 1; stop = 0; } // Generated when button 1 is pressed on rising edge STOP void stop_smpl() { stop = 1; start = 0; } // Fillped every second void flip() { led2 = !led2; } int main() { int acc[3]; int mag[3]; float g[3]; led1= 1; char filename[256]; char secs_str[256]; struct tm t; time_t seconds; FILE *fp; // Attach functions to interrupts btn1.rise(&start_smpl); btn2.rise(&stop_smpl); flipper.attach(&flip, 1.0); // the address of the function to be attached (flip) and the interval (2 seconds) // Enable serial port debug.format(8,Serial::None,1); debug.baud(115200); debug.printf("LSM303DLH Test\x0d\x0a"); // Initialize compass compass.init(); compass.setOffset(0.00,0.00,0.00); // example calibration compass.setScale(1.00,1.00,1.00); // example calibration // // Initialize current time if needed // printf("Enter current date and time:\n"); // printf("YYYY MM DD HH MM SS[enter]\n"); // scanf("%d %d %d %d %d %d", &t.tm_year, &t.tm_mon, &t.tm_mday // , &t.tm_hour, &t.tm_min, &t.tm_sec); // adjust for tm structure required values t.tm_year = t.tm_year - 1900; t.tm_mon = t.tm_mon - 1; // set the time rtc.set_time(mktime(&t)); while(1) { debug.printf("Press Button 1 to Start sampling\n\r"); debug.printf("Press Button 2 to Stop sampling\n\r"); // Check for button 1 pressed while(!start) { led1 = 1; } // Start sampling led1 = 0; debug.printf("Started sampling\n\r"); // Get the time and create a file with the number of seconds in hex appended seconds = rtc.time(); sprintf(secs_str, "%s", ctime(&seconds)); printf("Started at: %s\n\r", secs_str ); sprintf(filename, "/sd/latch9DOF_%08x",seconds); fp = fopen(filename, "w"); // Verify that file can be created if ( fp == NULL ) { debug.printf("Cannot create file %s\n\r", filename); wait(0.5); while(1) { led1 = !led1; wait(0.5); } } else debug.printf("File %s created successfully\n\r", filename); // Sample until button 2 is pressed while(!stop) { led1 = 0; compass.read(acc,mag); gyro.read(&g[0],&g[1],&g[2]); debug.printf("%6d,\t%6d,\t%6d,\t%6d,\t%6d,\t%6d,\t%6.2f,\t%6.2f,\t%6.2f\n\r",acc[0],acc[1],acc[2],mag[0],mag[1],mag[2],g[0],g[1],g[2]); fprintf(fp, "%6d,\t%6d,\t%6d,\t%6d,\t%6d,\t%6d,\t%6.2f,\t%6.2f,\t%6.2f\n\r",acc[0],acc[1],acc[2],mag[0],mag[1],mag[2],g[0],g[1],g[2]); wait(0.1); } // Stop Sampling and close file led1 = 1; debug.printf("Stopped sampling\n\r"); debug.printf("Results stored in %s\n\r", filename); fclose(fp); } }