added spectrometer timeout
Dependencies: SDFileSystem mbed
Fork of All_Combined_Real2 by
main.cpp@4:70411c8dadcc, 2016-03-22 (annotated)
- Committer:
- jphbergeson
- Date:
- Tue Mar 22 17:08:13 2016 +0000
- Revision:
- 4:70411c8dadcc
- Parent:
- 3:c611fff05072
- Child:
- 5:6532c5a5f576
Publishing
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jphbergeson | 0:26713d1db198 | 1 | #include "mbed.h" |
jphbergeson | 0:26713d1db198 | 2 | #include "nmea.h" |
jphbergeson | 0:26713d1db198 | 3 | #include "SDFileSystem.h" |
jphbergeson | 1:5fa445bd14a6 | 4 | #include "SPI.h" |
jphbergeson | 3:c611fff05072 | 5 | #include "temp_sensor.h" |
jphbergeson | 0:26713d1db198 | 6 | |
jphbergeson | 1:5fa445bd14a6 | 7 | #define NUM_PIXELS 2048 |
jphbergeson | 0:26713d1db198 | 8 | #define BUF_SIZE 1024 |
jphbergeson | 2:146625d6992d | 9 | |
jphbergeson | 2:146625d6992d | 10 | // TODO make a new file (name=timestamp) each time we start recording data |
jphbergeson | 1:5fa445bd14a6 | 11 | #define OUTPUT_FILE "/sd/data.csv" |
jphbergeson | 0:26713d1db198 | 12 | |
jphbergeson | 1:5fa445bd14a6 | 13 | // pinout for spectrometer |
jphbergeson | 1:5fa445bd14a6 | 14 | |
jphbergeson | 1:5fa445bd14a6 | 15 | // Mosi (#8) -> PTD2 |
jphbergeson | 1:5fa445bd14a6 | 16 | // Miso (#7) -> PTD3 |
jphbergeson | 1:5fa445bd14a6 | 17 | // Sclk (#9) -> PTD1 |
jphbergeson | 1:5fa445bd14a6 | 18 | |
jphbergeson | 1:5fa445bd14a6 | 19 | // Pixel_rdy (#6) -> PTA1 |
jphbergeson | 1:5fa445bd14a6 | 20 | // Fifo_cs (#3) -> PTB23 |
jphbergeson | 1:5fa445bd14a6 | 21 | // Trigger (#13) -> PTA2 |
jphbergeson | 2:146625d6992d | 22 | |
jphbergeson | 4:70411c8dadcc | 23 | // spi_cs (#10) -> PTC2 |
jphbergeson | 4:70411c8dadcc | 24 | |
jphbergeson | 1:5fa445bd14a6 | 25 | SPI spi(PTD2, PTD3, PTD1); // mosi, miso, sclk |
jphbergeson | 1:5fa445bd14a6 | 26 | |
jphbergeson | 4:70411c8dadcc | 27 | DigitalOut spi_cs(PTC2); |
jphbergeson | 4:70411c8dadcc | 28 | |
jphbergeson | 1:5fa445bd14a6 | 29 | DigitalIn pixel_rdy(PTA1); |
jphbergeson | 1:5fa445bd14a6 | 30 | DigitalOut fifo_cs(PTB23); |
jphbergeson | 1:5fa445bd14a6 | 31 | DigitalOut trigger(PTA2); |
jphbergeson | 1:5fa445bd14a6 | 32 | |
jphbergeson | 1:5fa445bd14a6 | 33 | // Blinking red LED |
jphbergeson | 0:26713d1db198 | 34 | DigitalOut led(LED_RED); |
jphbergeson | 0:26713d1db198 | 35 | |
jphbergeson | 1:5fa445bd14a6 | 36 | // GPS connection (through arduino) |
jphbergeson | 0:26713d1db198 | 37 | Serial duino(PTC4, PTC3); |
jphbergeson | 1:5fa445bd14a6 | 38 | |
jphbergeson | 1:5fa445bd14a6 | 39 | // USB serial to PC |
jphbergeson | 0:26713d1db198 | 40 | Serial pc(USBTX, USBRX); |
jphbergeson | 0:26713d1db198 | 41 | |
jphbergeson | 0:26713d1db198 | 42 | /************************************************** |
jphbergeson | 0:26713d1db198 | 43 | ** SD FILE SYSTEM ** |
jphbergeson | 0:26713d1db198 | 44 | **************************************************/ |
jphbergeson | 0:26713d1db198 | 45 | SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); |
jphbergeson | 0:26713d1db198 | 46 | FILE *fpData; |
jphbergeson | 0:26713d1db198 | 47 | |
jphbergeson | 2:146625d6992d | 48 | void read_pixels() |
jphbergeson | 2:146625d6992d | 49 | { |
jphbergeson | 1:5fa445bd14a6 | 50 | int data[NUM_PIXELS]; |
jphbergeson | 1:5fa445bd14a6 | 51 | for (int i = 0; i < NUM_PIXELS; i++) { |
jphbergeson | 2:146625d6992d | 52 | |
jphbergeson | 1:5fa445bd14a6 | 53 | while (!pixel_rdy); |
jphbergeson | 2:146625d6992d | 54 | |
jphbergeson | 1:5fa445bd14a6 | 55 | fifo_cs = 0; |
jphbergeson | 1:5fa445bd14a6 | 56 | data[i] = spi.write(0x00); // write a dummy byte just to read the data |
jphbergeson | 1:5fa445bd14a6 | 57 | fifo_cs = 1; |
jphbergeson | 2:146625d6992d | 58 | |
jphbergeson | 1:5fa445bd14a6 | 59 | } |
jphbergeson | 2:146625d6992d | 60 | |
jphbergeson | 1:5fa445bd14a6 | 61 | // write to file and pc |
jphbergeson | 1:5fa445bd14a6 | 62 | fpData = fopen(OUTPUT_FILE, "a"); |
jphbergeson | 2:146625d6992d | 63 | for (int i = 0; i < NUM_PIXELS; i++) { |
jphbergeson | 1:5fa445bd14a6 | 64 | pc.printf(",%d", data[i]); |
jphbergeson | 1:5fa445bd14a6 | 65 | fprintf(fpData, ",%d", data[i]); |
jphbergeson | 1:5fa445bd14a6 | 66 | } |
jphbergeson | 1:5fa445bd14a6 | 67 | pc.printf("\r\n"); |
jphbergeson | 1:5fa445bd14a6 | 68 | fprintf(fpData, "\r\n"); |
jphbergeson | 1:5fa445bd14a6 | 69 | fclose(fpData); |
jphbergeson | 1:5fa445bd14a6 | 70 | } |
jphbergeson | 1:5fa445bd14a6 | 71 | |
jphbergeson | 2:146625d6992d | 72 | void gps_read() { |
jphbergeson | 2:146625d6992d | 73 | char buffer[BUF_SIZE]; |
jphbergeson | 2:146625d6992d | 74 | |
jphbergeson | 2:146625d6992d | 75 | get_nmea(&duino, buffer, BUF_SIZE); |
jphbergeson | 2:146625d6992d | 76 | |
jphbergeson | 2:146625d6992d | 77 | struct NMEA_data nmea = parse_line(buffer); |
jphbergeson | 2:146625d6992d | 78 | |
jphbergeson | 2:146625d6992d | 79 | // determine whether there's a lock |
jphbergeson | 2:146625d6992d | 80 | char lock_str[BUF_SIZE]; |
jphbergeson | 2:146625d6992d | 81 | if ( nmea.lock_flag == 'A' ) |
jphbergeson | 2:146625d6992d | 82 | sprintf(lock_str, "Has lock"); |
jphbergeson | 2:146625d6992d | 83 | else |
jphbergeson | 2:146625d6992d | 84 | sprintf(lock_str, "No lock"); |
jphbergeson | 2:146625d6992d | 85 | |
jphbergeson | 2:146625d6992d | 86 | // assemble data into summary string |
jphbergeson | 2:146625d6992d | 87 | char status_str[BUF_SIZE]; |
jphbergeson | 2:146625d6992d | 88 | sprintf(status_str, "%02d:%02d:%02d,%d/%d/%d,%dd %lf' %c %dd %lf' %c,%s", |
jphbergeson | 2:146625d6992d | 89 | nmea.hours, nmea.minutes, nmea.seconds, |
jphbergeson | 2:146625d6992d | 90 | nmea.month, nmea.day, nmea.year, |
jphbergeson | 2:146625d6992d | 91 | nmea.latitude, nmea.latitude_minutes, nmea.latitude_direction, |
jphbergeson | 2:146625d6992d | 92 | nmea.longitude, nmea.longitude_minutes, nmea.longitude_direction, lock_str); |
jphbergeson | 2:146625d6992d | 93 | |
jphbergeson | 2:146625d6992d | 94 | // print to pc, sd card |
jphbergeson | 2:146625d6992d | 95 | pc.printf("%s", status_str); |
jphbergeson | 2:146625d6992d | 96 | |
jphbergeson | 2:146625d6992d | 97 | fpData = fopen(OUTPUT_FILE, "a"); |
jphbergeson | 2:146625d6992d | 98 | fprintf(fpData, "%s", status_str); |
jphbergeson | 2:146625d6992d | 99 | fclose(fpData); |
jphbergeson | 2:146625d6992d | 100 | } |
jphbergeson | 2:146625d6992d | 101 | |
jphbergeson | 0:26713d1db198 | 102 | int main() |
jphbergeson | 0:26713d1db198 | 103 | { |
jphbergeson | 0:26713d1db198 | 104 | pc.baud(115200); // make sure to set computer TERA Term or whatever to 115200 baud!!! |
jphbergeson | 0:26713d1db198 | 105 | duino.baud(9600); |
jphbergeson | 0:26713d1db198 | 106 | pc.printf("Initializing ...\r\n"); |
jphbergeson | 2:146625d6992d | 107 | |
jphbergeson | 1:5fa445bd14a6 | 108 | fifo_cs = 1; |
jphbergeson | 1:5fa445bd14a6 | 109 | trigger = 0; |
jphbergeson | 1:5fa445bd14a6 | 110 | wait(0.5f); |
jphbergeson | 3:c611fff05072 | 111 | |
jphbergeson | 3:c611fff05072 | 112 | init_temp_sensor(); // TODO: stop execution & send error message if can't init temp sensor (or other things) |
jphbergeson | 2:146625d6992d | 113 | |
jphbergeson | 2:146625d6992d | 114 | |
jphbergeson | 0:26713d1db198 | 115 | while (true) { |
jphbergeson | 2:146625d6992d | 116 | |
jphbergeson | 0:26713d1db198 | 117 | led = !led; |
jphbergeson | 2:146625d6992d | 118 | |
jphbergeson | 2:146625d6992d | 119 | gps_read(); |
jphbergeson | 3:c611fff05072 | 120 | |
jphbergeson | 3:c611fff05072 | 121 | check_temp(); |
jphbergeson | 3:c611fff05072 | 122 | // Display result |
jphbergeson | 3:c611fff05072 | 123 | pc.printf(",%s", TempCelsiusDisplay); |
jphbergeson | 3:c611fff05072 | 124 | fpData = fopen(OUTPUT_FILE, "a"); |
jphbergeson | 3:c611fff05072 | 125 | fprintf(fpData, ",%s", TempCelsiusDisplay); |
jphbergeson | 3:c611fff05072 | 126 | fclose(fpData); |
jphbergeson | 2:146625d6992d | 127 | |
jphbergeson | 1:5fa445bd14a6 | 128 | // Trigger an acquisition from spectrometer |
jphbergeson | 1:5fa445bd14a6 | 129 | trigger = 1; |
jphbergeson | 1:5fa445bd14a6 | 130 | wait_ms(1); |
jphbergeson | 1:5fa445bd14a6 | 131 | trigger = 0; |
jphbergeson | 1:5fa445bd14a6 | 132 | read_pixels(); |
jphbergeson | 2:146625d6992d | 133 | |
jphbergeson | 0:26713d1db198 | 134 | wait(0.5f); |
jphbergeson | 0:26713d1db198 | 135 | } |
jphbergeson | 0:26713d1db198 | 136 | } |