Yuki Abe / Mbed 2 deprecated SDFileSystem_recordlog

Writing to micro SD only.

Dependencies:   SDFileSystem mbed

Fork of SDFileSystem_HelloWorld by mbed official

main.cpp@1:3d3fb5f81373, 2017-05-30 (annotated)

Committer:
aaaaaYukiaaaaa
Date:
Tue May 30 04:55:17 2017 +0000
Revision:
1:3d3fb5f81373
Parent:
0:bdbd3d6fc5d5
Child:
2:ee19d6b4dc98
This program is writing data only.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:bdbd3d6fc5d5 1 #include "mbed.h"
mbed_official 0:bdbd3d6fc5d5 2 #include "SDFileSystem.h"
mbed_official 0:bdbd3d6fc5d5 3
mbed_official 0:bdbd3d6fc5d5 4 SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
aaaaaYukiaaaaa 1:3d3fb5f81373 5 DigitalIn enable(p30);
aaaaaYukiaaaaa 1:3d3fb5f81373 6 AnalogIn inpt(p20);
aaaaaYukiaaaaa 1:3d3fb5f81373 7 DigitalOut myled(LED1);
mbed_official 0:bdbd3d6fc5d5 8
aaaaaYukiaaaaa 1:3d3fb5f81373 9
aaaaaYukiaaaaa 1:3d3fb5f81373 10 void SD(int num, double btry){
aaaaaYukiaaaaa 1:3d3fb5f81373 11 myled = 1;
aaaaaYukiaaaaa 1:3d3fb5f81373 12
mbed_official 0:bdbd3d6fc5d5 13 printf("Hello World!\n");
mbed_official 0:bdbd3d6fc5d5 14
mbed_official 0:bdbd3d6fc5d5 15 mkdir("/sd/mydir", 0777);
mbed_official 0:bdbd3d6fc5d5 16
aaaaaYukiaaaaa 1:3d3fb5f81373 17 FILE *fp_csv = fopen("/sd/mydir/sdtest.csv", "a");
aaaaaYukiaaaaa 1:3d3fb5f81373 18 if(fp_csv == NULL) {
aaaaaYukiaaaaa 1:3d3fb5f81373 19 error("Could not open file for write\n");
aaaaaYukiaaaaa 1:3d3fb5f81373 20 }
aaaaaYukiaaaaa 1:3d3fb5f81373 21
aaaaaYukiaaaaa 1:3d3fb5f81373 22 fprintf(fp_csv, "%f,%f\n", btry, (float)num);
aaaaaYukiaaaaa 1:3d3fb5f81373 23
aaaaaYukiaaaaa 1:3d3fb5f81373 24 fclose(fp_csv);
aaaaaYukiaaaaa 1:3d3fb5f81373 25
aaaaaYukiaaaaa 1:3d3fb5f81373 26 /////////////////
aaaaaYukiaaaaa 1:3d3fb5f81373 27
aaaaaYukiaaaaa 1:3d3fb5f81373 28 // FILE *fp_txt = fopen("/sd/mydir/sdtest.txt", "a");
aaaaaYukiaaaaa 1:3d3fb5f81373 29 // if(fp_txt == NULL) {
aaaaaYukiaaaaa 1:3d3fb5f81373 30 // error("Could not open file for write\n");
aaaaaYukiaaaaa 1:3d3fb5f81373 31 // }
aaaaaYukiaaaaa 1:3d3fb5f81373 32 // fprintf(fp_txt, "Hello fun SD Card World!\n");
aaaaaYukiaaaaa 1:3d3fb5f81373 33 // fprintf(fp_txt, "Hello fun SD Card World!\n");
aaaaaYukiaaaaa 1:3d3fb5f81373 34 // fprintf(fp_txt, "%f,%f\n", btry, (float)num);
aaaaaYukiaaaaa 1:3d3fb5f81373 35 //
aaaaaYukiaaaaa 1:3d3fb5f81373 36 // fclose(fp_txt);
aaaaaYukiaaaaa 1:3d3fb5f81373 37
aaaaaYukiaaaaa 1:3d3fb5f81373 38
aaaaaYukiaaaaa 1:3d3fb5f81373 39 printf("Goodbye World!\n");
aaaaaYukiaaaaa 1:3d3fb5f81373 40 myled = 0;
aaaaaYukiaaaaa 1:3d3fb5f81373 41 }
aaaaaYukiaaaaa 1:3d3fb5f81373 42
aaaaaYukiaaaaa 1:3d3fb5f81373 43 int main() {
aaaaaYukiaaaaa 1:3d3fb5f81373 44 float btry_lg = 0;
aaaaaYukiaaaaa 1:3d3fb5f81373 45 int nmbr_lg = 0;
aaaaaYukiaaaaa 1:3d3fb5f81373 46
aaaaaYukiaaaaa 1:3d3fb5f81373 47 FILE *fp_csv = fopen("/sd/mydir/sdtest.csv", "w");
aaaaaYukiaaaaa 1:3d3fb5f81373 48 if(fp_csv == NULL) {
mbed_official 0:bdbd3d6fc5d5 49 error("Could not open file for write\n");
mbed_official 0:bdbd3d6fc5d5 50 }
aaaaaYukiaaaaa 1:3d3fb5f81373 51 fprintf(fp_csv, "baterry,number\n");
aaaaaYukiaaaaa 1:3d3fb5f81373 52 fclose(fp_csv);
aaaaaYukiaaaaa 1:3d3fb5f81373 53
aaaaaYukiaaaaa 1:3d3fb5f81373 54
aaaaaYukiaaaaa 1:3d3fb5f81373 55 // FILE *fp_txt = fopen("/sd/mydir/sdtest.txt", "a");
aaaaaYukiaaaaa 1:3d3fb5f81373 56 // if(fp_txt == NULL) {
aaaaaYukiaaaaa 1:3d3fb5f81373 57 // error("Could not open file for write\n");
aaaaaYukiaaaaa 1:3d3fb5f81373 58 // }
aaaaaYukiaaaaa 1:3d3fb5f81373 59 // fclose(fp_txt);
aaaaaYukiaaaaa 1:3d3fb5f81373 60
aaaaaYukiaaaaa 1:3d3fb5f81373 61
aaaaaYukiaaaaa 1:3d3fb5f81373 62 while(1){
aaaaaYukiaaaaa 1:3d3fb5f81373 63 // test the voltage on the initialized analog pin
aaaaaYukiaaaaa 1:3d3fb5f81373 64 // and if greater than 0.3 * VCC set the digital pin
aaaaaYukiaaaaa 1:3d3fb5f81373 65 // to a logic 1 otherwise a logic 0
aaaaaYukiaaaaa 1:3d3fb5f81373 66 btry_lg = inpt.read()*3.3;
aaaaaYukiaaaaa 1:3d3fb5f81373 67
aaaaaYukiaaaaa 1:3d3fb5f81373 68 //if(ain > 0.3f) {
aaaaaYukiaaaaa 1:3d3fb5f81373 69
aaaaaYukiaaaaa 1:3d3fb5f81373 70 //} else {
aaaaaYukiaaaaa 1:3d3fb5f81373 71
aaaaaYukiaaaaa 1:3d3fb5f81373 72 //}
aaaaaYukiaaaaa 1:3d3fb5f81373 73
aaaaaYukiaaaaa 1:3d3fb5f81373 74 // print the percentage and 16 bit normalized values
aaaaaYukiaaaaa 1:3d3fb5f81373 75 //printf("percentage: %3.3f%%\n", ain.read()*100.0f);
aaaaaYukiaaaaa 1:3d3fb5f81373 76 //printf("normalized: 0x%04X \n", ain.read_u16());
aaaaaYukiaaaaa 1:3d3fb5f81373 77 //wait(0.2f);
aaaaaYukiaaaaa 1:3d3fb5f81373 78
aaaaaYukiaaaaa 1:3d3fb5f81373 79 nmbr_lg++;
aaaaaYukiaaaaa 1:3d3fb5f81373 80 SD(nmbr_lg, btry_lg);
aaaaaYukiaaaaa 1:3d3fb5f81373 81
aaaaaYukiaaaaa 1:3d3fb5f81373 82 wait(0.1);
aaaaaYukiaaaaa 1:3d3fb5f81373 83 }
mbed_official 0:bdbd3d6fc5d5 84 }