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@1:9d3f2e86392e, 2016-12-02 (annotated)

Committer:
kswanson31
Date:
Fri Dec 02 22:37:58 2016 +0000
Revision:
1:9d3f2e86392e
Parent:
0:134f49df01f8
Child:
2:d08643ff3c62
added logic to recall function

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 1:9d3f2e86392e 17
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 1:9d3f2e86392e 42 // write trip results to the SD card
kswanson31 1:9d3f2e86392e 43 if (fp == NULL) {
kswanson31 1:9d3f2e86392e 44
kswanson31 1:9d3f2e86392e 45 }
kswanson31 0:134f49df01f8 46 }
kswanson31 0:134f49df01f8 47
kswanson31 0:134f49df01f8 48 void recall_trip(FILE * fp) {
kswanson31 0:134f49df01f8 49 // display the most recent trip made on the screen
kswanson31 0:134f49df01f8 50 // display the most impressive trip (longest distance, best speed, least time)
kswanson31 0:134f49df01f8 51
kswanson31 0:134f49df01f8 52 int lineCount;
kswanson31 0:134f49df01f8 53 char str[12];
kswanson31 0:134f49df01f8 54 char split;
kswanson31 0:134f49df01f8 55
kswanson31 1:9d3f2e86392e 56 // read out the most recent trip
kswanson31 1:9d3f2e86392e 57 FILE *fp = fopen("/sd/records/recent.txt", "r");
kswanson31 1:9d3f2e86392e 58
kswanson31 1:9d3f2e86392e 59 if (fp == NULL) {
kswanson31 1:9d3f2e86392e 60 lcd.locate(0, 1);
kswanson31 1:9d3f2e86392e 61 lcd.printf("Could not open file for write\n");
kswanson31 1:9d3f2e86392e 62 } else {
kswanson31 1:9d3f2e86392e 63 std::getline(file, str);
kswanson31 1:9d3f2e86392e 64 lcd.locate(0, 1);
kswanson31 1:9d3f2e86392e 65 lcd.printf("Most recent trip\n%s", str);
kswanson31 1:9d3f2e86392e 66 }
kswanson31 1:9d3f2e86392e 67
kswanson31 1:9d3f2e86392e 68 // read out the most impressive trip so far
kswanson31 1:9d3f2e86392e 69 FILE *fp = fopen("/sd/records/best_of.txt", "r");
kswanson31 1:9d3f2e86392e 70
kswanson31 0:134f49df01f8 71 if(fp == NULL) {
kswanson31 0:134f49df01f8 72 lcd.locate(0, 1);
kswanson31 0:134f49df01f8 73 lcd.printf("Could not open file for write\n");
kswanson31 0:134f49df01f8 74 } else {
kswanson31 0:134f49df01f8 75 lcd.locate(0, 1);
kswanson31 0:134f49df01f8 76 while (std::getline(file, str)) {
kswanson31 0:134f49df01f8 77
kswanson31 0:134f49df01f8 78 }
kswanson31 0:134f49df01f8 79 }
kswanson31 0:134f49df01f8 80 }