Kenneth Swanson / Mbed 2 deprecated great-bike-wow

A system to help you ride your bike better than you do right now.

Dependencies:   4DGL-uLCD-SE SDFileSystem mbed LSM9DS1_Library_cal

main.cpp@0:134f49df01f8, 2016-12-02 (annotated)

Committer:
kswanson31
Date:
Fri Dec 02 22:15:09 2016 +0000
Revision:
0:134f49df01f8
Child:
1:9d3f2e86392e
initial commit with sd functions started

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kswanson31 0:134f49df01f8 1 #include "mbed.h"
kswanson31 0:134f49df01f8 2 #include "SDFileSystem.h"
kswanson31 0:134f49df01f8 3 #include "uLCD_4GDL.h"
kswanson31 0:134f49df01f8 4
kswanson31 0:134f49df01f8 5 DigitalOut myled(LED1);
kswanson31 0:134f49df01f8 6
kswanson31 0:134f49df01f8 7 SDFileSystem sd(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name); //mosi -> DI, miso <- DO, slck -> sclck, CS -> CS
kswanson31 0:134f49df01f8 8 uLCD_4DGL lcd(PinName tx, PinName rx, PinName rst);
kswanson31 0:134f49df01f8 9
kswanson31 0:134f49df01f8 10 float distance;
kswanson31 0:134f49df01f8 11 float speed;
kswanson31 0:134f49df01f8 12 float maxSpeed;
kswanson31 0:134f49df01f8 13
kswanson31 0:134f49df01f8 14 int main() {
kswanson31 0:134f49df01f8 15
kswanson31 0:134f49df01f8 16 // open the file for reading and appending records
kswanson31 0:134f49df01f8 17 FILE *fp = fopen("/sd/records/best-of.txt", "a+");
kswanson31 0:134f49df01f8 18
kswanson31 0:134f49df01f8 19 // recall last trip
kswanson31 0:134f49df01f8 20 recall_trip(&fp);
kswanson31 0:134f49df01f8 21 wait(10);
kswanson31 0:134f49df01f8 22 lcd.cls();
kswanson31 0:134f49df01f8 23
kswanson31 0:134f49df01f8 24 // normal operation loop here
kswanson31 0:134f49df01f8 25 // check current speed
kswanson31 0:134f49df01f8 26 // check curret distance
kswanson31 0:134f49df01f8 27 // check time so far
kswanson31 0:134f49df01f8 28 // display this on the screen
kswanson31 0:134f49df01f8 29 // check if braking, turning left or right
kswanson31 0:134f49df01f8 30 // show that on the screen
kswanson31 0:134f49df01f8 31
kswanson31 0:134f49df01f8 32 // store this trip
kswanson31 0:134f49df01f8 33 lcd.cls();
kswanson31 0:134f49df01f8 34 store_trip(&fp);
kswanson31 0:134f49df01f8 35
kswanson31 0:134f49df01f8 36 // close the file at the end of the program
kswanson31 0:134f49df01f8 37 fclose(fp);
kswanson31 0:134f49df01f8 38 // end everything
kswanson31 0:134f49df01f8 39 }
kswanson31 0:134f49df01f8 40
kswanson31 0:134f49df01f8 41 void store_trip(FILE * fp) {
kswanson31 0:134f49df01f8 42 // write trip results to the SD card
kswanson31 0:134f49df01f8 43 }
kswanson31 0:134f49df01f8 44
kswanson31 0:134f49df01f8 45 void recall_trip(FILE * fp) {
kswanson31 0:134f49df01f8 46 // display the most recent trip made on the screen
kswanson31 0:134f49df01f8 47 // display the most impressive trip (longest distance, best speed, least time)
kswanson31 0:134f49df01f8 48
kswanson31 0:134f49df01f8 49 int lineCount;
kswanson31 0:134f49df01f8 50 std::ifstream file("/sd/records/best-of.txt");
kswanson31 0:134f49df01f8 51 char str[12];
kswanson31 0:134f49df01f8 52 char split;
kswanson31 0:134f49df01f8 53
kswanson31 0:134f49df01f8 54 if(fp == NULL) {
kswanson31 0:134f49df01f8 55 lcd.locate(0, 1);
kswanson31 0:134f49df01f8 56 lcd.printf("Could not open file for write\n");
kswanson31 0:134f49df01f8 57 } else {
kswanson31 0:134f49df01f8 58 lcd.locate(0, 1);
kswanson31 0:134f49df01f8 59 while (std::getline(file, str)) {
kswanson31 0:134f49df01f8 60
kswanson31 0:134f49df01f8 61 }
kswanson31 0:134f49df01f8 62 }
kswanson31 0:134f49df01f8 63 }