added spectrometer timeout
Dependencies: SDFileSystem mbed
Fork of All_Combined_Real2 by
main.cpp
- Committer:
- jphbergeson
- Date:
- 2016-03-10
- Revision:
- 1:5fa445bd14a6
- Parent:
- 0:26713d1db198
- Child:
- 2:146625d6992d
File content as of revision 1:5fa445bd14a6:
#include "mbed.h" #include "nmea.h" #include "SDFileSystem.h" #include "SPI.h" #define NUM_PIXELS 2048 #define BUF_SIZE 1024 #define OUTPUT_FILE "/sd/data.csv" // pinout for spectrometer // Mosi (#8) -> PTD2 // Miso (#7) -> PTD3 // Sclk (#9) -> PTD1 // Pixel_rdy (#6) -> PTA1 // Fifo_cs (#3) -> PTB23 // Trigger (#13) -> PTA2 SPI spi(PTD2, PTD3, PTD1); // mosi, miso, sclk DigitalIn pixel_rdy(PTA1); DigitalOut fifo_cs(PTB23); DigitalOut trigger(PTA2); // Blinking red LED DigitalOut led(LED_RED); // GPS connection (through arduino) Serial duino(PTC4, PTC3); // USB serial to PC Serial pc(USBTX, USBRX); /************************************************** ** SD FILE SYSTEM ** **************************************************/ SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); FILE *fpData; void read_pixels() { int data[NUM_PIXELS]; for (int i = 0; i < NUM_PIXELS; i++) { while (!pixel_rdy); fifo_cs = 0; data[i] = spi.write(0x00); // write a dummy byte just to read the data fifo_cs = 1; } // write to file and pc fpData = fopen(OUTPUT_FILE, "a"); for (int i = 0; i < NUM_PIXELS; i++) { pc.printf(",%d", data[i]); fprintf(fpData, ",%d", data[i]); } pc.printf("\r\n"); fprintf(fpData, "\r\n"); fclose(fpData); } int main() { pc.baud(115200); // make sure to set computer TERA Term or whatever to 115200 baud!!! duino.baud(9600); pc.printf("Initializing ...\r\n"); fifo_cs = 1; trigger = 0; wait(0.5f); char buffer[BUF_SIZE]; while (true) { led = !led; // --- gps stuff --- // get_nmea(&duino, buffer, BUF_SIZE); struct NMEA_data nmea = parse_line(buffer); // determine whether there's a lock char lock_str[BUF_SIZE]; if ( nmea.lock_flag == 'A' ) sprintf(lock_str, "Has lock"); else sprintf(lock_str, "No lock"); // assemble data into summary string char status_str[BUF_SIZE]; sprintf(status_str, "%02d:%02d:%02d,%d/%d/%d,%dd %lf' %c %dd %lf' %c,%s", nmea.hours, nmea.minutes, nmea.seconds, nmea.month, nmea.day, nmea.year, nmea.latitude, nmea.latitude_minutes, nmea.latitude_direction, nmea.longitude, nmea.longitude_minutes, nmea.longitude_direction, lock_str); // print to pc, sd card pc.printf("%s", status_str); fpData = fopen(OUTPUT_FILE, "a"); fprintf(fpData, "%s", status_str); fclose(fpData); // --- end of gps stuff --- // // Trigger an acquisition from spectrometer trigger = 1; wait_ms(1); trigger = 0; read_pixels(); wait(0.5f); } }