CSE477 / swimate_v2

Swimate V2 without RTOS code

Dependencies:   Adafruit_GFX_128x64 DS3231 PinDetect SDFileSystem USBDevice mbed RealtimeMath MODSERIAL

log_data.cpp@21:2fa676f214fe, 2014-06-07 (annotated)

Committer:
ellingjp
Date:
Sat Jun 07 07:12:25 2014 +0000
Revision:
21:2fa676f214fe
Parent:
15:002bac432234
Child:
22:9350752f5414
Working sync

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ellingjp 8:8430a5c0914c 1 #include "mbed.h"
ellingjp 8:8430a5c0914c 2 #include "log_data.h"
ellingjp 8:8430a5c0914c 3 #include "SDFileSystem.h"
ellingjp 8:8430a5c0914c 4 #include "helper_3dmath.h"
ellingjp 8:8430a5c0914c 5 #include "debug.h"
ellingjp 21:2fa676f214fe 6 #include "SystemTime.h"
ellingjp 21:2fa676f214fe 7 #include "pins.h"
ellingjp 8:8430a5c0914c 8
ellingjp 8:8430a5c0914c 9 // SD Card
ellingjp 8:8430a5c0914c 10 SDFileSystem sd(P0_21, P0_22, P1_15, P1_19, "sd"); // MOSI, MISO, SCLK, SSEL SPI1
ellingjp 8:8430a5c0914c 11
ellingjp 15:002bac432234 12 // DS3231 rtc(I2C_SDA, I2C_SCL);
ellingjp 12:bf282a100fbc 13
ellingjp 8:8430a5c0914c 14 // Logging vars
ellingjp 9:a711b5b34d73 15 FILE *accelFile;
ellingjp 15:002bac432234 16 FILE *peakFile;
ellingjp 8:8430a5c0914c 17
ellingjp 8:8430a5c0914c 18 /* Returns true if logging was successfully initialized, false otherwise */
ellingjp 8:8430a5c0914c 19 bool log_init() {
ellingjp 21:2fa676f214fe 20 PC_PRINTLN("Initializing logging...");
ellingjp 21:2fa676f214fe 21
ellingjp 9:a711b5b34d73 22 accelFile = fopen(ACCEL_LOG, "a");
ellingjp 9:a711b5b34d73 23 if (accelFile == NULL) {
ellingjp 9:a711b5b34d73 24 PC_PRINTLNF("SD card initialization error: Failed to open %s", ACCEL_LOG);
ellingjp 8:8430a5c0914c 25 DIE(SD_ERROR_RATE);
ellingjp 8:8430a5c0914c 26 return false;
ellingjp 8:8430a5c0914c 27 }
ellingjp 9:a711b5b34d73 28
ellingjp 15:002bac432234 29 peakFile = fopen(PEAK_LOG, "a");
ellingjp 15:002bac432234 30 if (peakFile == NULL) {
ellingjp 9:a711b5b34d73 31 PC_PRINTLNF("SD card initialization error: Failed to open %s", SPLIT_LOG);
ellingjp 9:a711b5b34d73 32 DIE(SD_ERROR_RATE);
ellingjp 9:a711b5b34d73 33 return false;
ellingjp 9:a711b5b34d73 34 }
ellingjp 21:2fa676f214fe 35
ellingjp 21:2fa676f214fe 36 // fprintf(accelFile, "---- BEGIN NEW DATASET ----\n");
ellingjp 21:2fa676f214fe 37 // fprintf(peakFile, "---- BEGIN NEW DATASET ----\n");
ellingjp 8:8430a5c0914c 38 return true;
ellingjp 8:8430a5c0914c 39 }
ellingjp 8:8430a5c0914c 40
ellingjp 8:8430a5c0914c 41 /* Returns true if data was successfully logged, false otherwise
ellingjp 8:8430a5c0914c 42 Used for logging acceleration data */
ellingjp 21:2fa676f214fe 43 bool log_data(int time_ms, VectorInt16 *data) {
ellingjp 9:a711b5b34d73 44 if (accelFile != NULL) {
ellingjp 21:2fa676f214fe 45 // fprintf(accelFile, "%d, %d, %d, %d\n", time_ms, data->x, data->y, data->z);
ellingjp 21:2fa676f214fe 46 fwrite(&time_ms, sizeof(int), 1, accelFile);
ellingjp 21:2fa676f214fe 47 fwrite(data, sizeof(VectorInt16), 1, accelFile);
ellingjp 8:8430a5c0914c 48 return true;
ellingjp 8:8430a5c0914c 49 }
ellingjp 8:8430a5c0914c 50
ellingjp 8:8430a5c0914c 51 return false;
ellingjp 8:8430a5c0914c 52 }
ellingjp 8:8430a5c0914c 53
ellingjp 8:8430a5c0914c 54 /* Returns true if data was successfully logged, false otherwise
ellingjp 8:8430a5c0914c 55 Used for logging split times */
ellingjp 21:2fa676f214fe 56 bool log_data(int time_ms, int split) {
ellingjp 15:002bac432234 57 if (peakFile != NULL) {
ellingjp 21:2fa676f214fe 58 // fprintf(peakFile, "%d, %d\n", time_ms, split);
ellingjp 21:2fa676f214fe 59 fwrite( (void*) &time_ms, sizeof(int), 1, peakFile);
ellingjp 21:2fa676f214fe 60 fwrite( (void*) &split, sizeof(int), 1, peakFile);
ellingjp 9:a711b5b34d73 61 return true;
ellingjp 9:a711b5b34d73 62 }
ellingjp 8:8430a5c0914c 63
ellingjp 9:a711b5b34d73 64 return false;
ellingjp 8:8430a5c0914c 65 }
ellingjp 8:8430a5c0914c 66
ellingjp 8:8430a5c0914c 67 /* Returns true if logging was successfully closed, false otherwise */
ellingjp 8:8430a5c0914c 68 bool log_close() {
ellingjp 9:a711b5b34d73 69 // if (accelFile != NULL && splitFile != NULL)
ellingjp 9:a711b5b34d73 70 // return ( (fclose(accelFile) == 0) && (fclose(splitFile) == 0) );
ellingjp 8:8430a5c0914c 71
ellingjp 9:a711b5b34d73 72 fclose(accelFile);
ellingjp 15:002bac432234 73 fclose(peakFile);
ellingjp 9:a711b5b34d73 74
ellingjp 9:a711b5b34d73 75 return true;
ellingjp 8:8430a5c0914c 76 }