Yuki Abe / Mbed 2 deprecated SDFileSystem_recordlog

Writing to micro SD only.

Dependencies:   SDFileSystem mbed

Fork of SDFileSystem_HelloWorld by mbed official

main.cpp@2:ee19d6b4dc98, 2017-05-30 (annotated)

Committer:
aaaaaYukiaaaaa
Date:
Tue May 30 05:01:36 2017 +0000
Revision:
2:ee19d6b4dc98
Parent:
1:3d3fb5f81373 
This program is writing to micro SD 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 2:ee19d6b4dc98 9 void SD(int num, double btry);
aaaaaYukiaaaaa 1:3d3fb5f81373 10
aaaaaYukiaaaaa 1:3d3fb5f81373 11 int main() {
aaaaaYukiaaaaa 1:3d3fb5f81373 12 float btry_lg = 0;
aaaaaYukiaaaaa 1:3d3fb5f81373 13 int nmbr_lg = 0;
aaaaaYukiaaaaa 1:3d3fb5f81373 14
aaaaaYukiaaaaa 1:3d3fb5f81373 15 FILE *fp_csv = fopen("/sd/mydir/sdtest.csv", "w");
aaaaaYukiaaaaa 1:3d3fb5f81373 16 if(fp_csv == NULL) {
mbed_official 0:bdbd3d6fc5d5 17 error("Could not open file for write\n");
mbed_official 0:bdbd3d6fc5d5 18 }
aaaaaYukiaaaaa 1:3d3fb5f81373 19 fprintf(fp_csv, "baterry,number\n");
aaaaaYukiaaaaa 1:3d3fb5f81373 20 fclose(fp_csv);
aaaaaYukiaaaaa 1:3d3fb5f81373 21
aaaaaYukiaaaaa 1:3d3fb5f81373 22
aaaaaYukiaaaaa 1:3d3fb5f81373 23 // FILE *fp_txt = fopen("/sd/mydir/sdtest.txt", "a");
aaaaaYukiaaaaa 1:3d3fb5f81373 24 // if(fp_txt == NULL) {
aaaaaYukiaaaaa 1:3d3fb5f81373 25 // error("Could not open file for write\n");
aaaaaYukiaaaaa 1:3d3fb5f81373 26 // }
aaaaaYukiaaaaa 1:3d3fb5f81373 27 // fclose(fp_txt);
aaaaaYukiaaaaa 1:3d3fb5f81373 28
aaaaaYukiaaaaa 1:3d3fb5f81373 29
aaaaaYukiaaaaa 1:3d3fb5f81373 30 while(1){
aaaaaYukiaaaaa 1:3d3fb5f81373 31 // test the voltage on the initialized analog pin
aaaaaYukiaaaaa 1:3d3fb5f81373 32 // and if greater than 0.3 * VCC set the digital pin
aaaaaYukiaaaaa 1:3d3fb5f81373 33 // to a logic 1 otherwise a logic 0
aaaaaYukiaaaaa 1:3d3fb5f81373 34 btry_lg = inpt.read()*3.3;
aaaaaYukiaaaaa 1:3d3fb5f81373 35
aaaaaYukiaaaaa 1:3d3fb5f81373 36 //if(ain > 0.3f) {
aaaaaYukiaaaaa 1:3d3fb5f81373 37
aaaaaYukiaaaaa 1:3d3fb5f81373 38 //} else {
aaaaaYukiaaaaa 1:3d3fb5f81373 39
aaaaaYukiaaaaa 1:3d3fb5f81373 40 //}
aaaaaYukiaaaaa 1:3d3fb5f81373 41
aaaaaYukiaaaaa 1:3d3fb5f81373 42 // print the percentage and 16 bit normalized values
aaaaaYukiaaaaa 1:3d3fb5f81373 43 //printf("percentage: %3.3f%%\n", ain.read()*100.0f);
aaaaaYukiaaaaa 1:3d3fb5f81373 44 //printf("normalized: 0x%04X \n", ain.read_u16());
aaaaaYukiaaaaa 1:3d3fb5f81373 45 //wait(0.2f);
aaaaaYukiaaaaa 1:3d3fb5f81373 46
aaaaaYukiaaaaa 1:3d3fb5f81373 47 nmbr_lg++;
aaaaaYukiaaaaa 1:3d3fb5f81373 48 SD(nmbr_lg, btry_lg);
aaaaaYukiaaaaa 1:3d3fb5f81373 49
aaaaaYukiaaaaa 1:3d3fb5f81373 50 wait(0.1);
aaaaaYukiaaaaa 1:3d3fb5f81373 51 }
mbed_official 0:bdbd3d6fc5d5 52 }
aaaaaYukiaaaaa 2:ee19d6b4dc98 53
aaaaaYukiaaaaa 2:ee19d6b4dc98 54 void SD(int num, double btry){
aaaaaYukiaaaaa 2:ee19d6b4dc98 55 myled = 1;
aaaaaYukiaaaaa 2:ee19d6b4dc98 56
aaaaaYukiaaaaa 2:ee19d6b4dc98 57 printf("Hello World!\n");
aaaaaYukiaaaaa 2:ee19d6b4dc98 58
aaaaaYukiaaaaa 2:ee19d6b4dc98 59 mkdir("/sd/mydir", 0777);
aaaaaYukiaaaaa 2:ee19d6b4dc98 60
aaaaaYukiaaaaa 2:ee19d6b4dc98 61 FILE *fp_csv = fopen("/sd/mydir/sdtest.csv", "a");
aaaaaYukiaaaaa 2:ee19d6b4dc98 62 if(fp_csv == NULL) {
aaaaaYukiaaaaa 2:ee19d6b4dc98 63 error("Could not open file for write\n");
aaaaaYukiaaaaa 2:ee19d6b4dc98 64 }
aaaaaYukiaaaaa 2:ee19d6b4dc98 65
aaaaaYukiaaaaa 2:ee19d6b4dc98 66 fprintf(fp_csv, "%f,%f\n", btry, (float)num);
aaaaaYukiaaaaa 2:ee19d6b4dc98 67
aaaaaYukiaaaaa 2:ee19d6b4dc98 68 fclose(fp_csv);
aaaaaYukiaaaaa 2:ee19d6b4dc98 69
aaaaaYukiaaaaa 2:ee19d6b4dc98 70 /////////////////
aaaaaYukiaaaaa 2:ee19d6b4dc98 71
aaaaaYukiaaaaa 2:ee19d6b4dc98 72 // FILE *fp_txt = fopen("/sd/mydir/sdtest.txt", "a");
aaaaaYukiaaaaa 2:ee19d6b4dc98 73 // if(fp_txt == NULL) {
aaaaaYukiaaaaa 2:ee19d6b4dc98 74 // error("Could not open file for write\n");
aaaaaYukiaaaaa 2:ee19d6b4dc98 75 // }
aaaaaYukiaaaaa 2:ee19d6b4dc98 76 // fprintf(fp_txt, "Hello fun SD Card World!\n");
aaaaaYukiaaaaa 2:ee19d6b4dc98 77 // fprintf(fp_txt, "Hello fun SD Card World!\n");
aaaaaYukiaaaaa 2:ee19d6b4dc98 78 // fprintf(fp_txt, "%f,%f\n", btry, (float)num);
aaaaaYukiaaaaa 2:ee19d6b4dc98 79 //
aaaaaYukiaaaaa 2:ee19d6b4dc98 80 // fclose(fp_txt);
aaaaaYukiaaaaa 2:ee19d6b4dc98 81
aaaaaYukiaaaaa 2:ee19d6b4dc98 82
aaaaaYukiaaaaa 2:ee19d6b4dc98 83 printf("Goodbye World!\n");
aaaaaYukiaaaaa 2:ee19d6b4dc98 84 myled = 0;
aaaaaYukiaaaaa 2:ee19d6b4dc98 85 }