Diff: files.cpp

Revision:

3:bd223559f79b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/files.cpp	Wed May 09 11:01:18 2018 +0000
@@ -0,0 +1,111 @@
+#include "files.h"
+#include "USBSerial.h"
+extern Serial _serialport;
+
+#if (MBED_MAJOR_VERSION == 2)
+#include    "SDFileSystem.h"
+#elif (MBED_MAJOR_VERSION == 5)
+#include    "SDBlockDevice.h"
+#include    "FATFileSystem.h"
+#endif
+
+#if (MBED_MAJOR_VERSION == 2)
+SDFileSystem    sd(D11, D12, D13, D10, "fs");  // do,di,clk,cs
+#elif (MBED_MAJOR_VERSION == 5)
+//SDBlockDevice   sd(D11, D12, D13, D10, 8000000);
+SDBlockDevice   sd(SPI0_MOSI, SPI0_MISO, SPI0_SCK, SPI0_SS, 8000000);    // For MAX32630FTHR
+FATFileSystem   fs("fs");
+#endif
+
+
+int totaFunctionlFiles = 0;
+int functionFileNumber = 1;
+int functionActive = 0;
+extern int functionPosition = 0;
+Function ffunc;
+
+int initSDCard()
+{
+#if (MBED_MAJOR_VERSION == 5)
+    /* Init SD CARD reader */
+    sd.init();
+    fs.mount(&sd);
+#endif
+    FILE* fp = fopen("/fs/mydata.txt", "a");
+    if (fp != 0) {
+        _serialport.printf("writing something\n\r\n");
+        fprintf(fp,"writing something\n\r\n");
+    } else {
+        _serialport.printf("ERROR\r\n");
+    }
+    fclose(fp);
+    return 0;
+}
+
+int readFileNames()
+{
+    DIR *d;
+    struct dirent *p;
+
+    d = opendir("/fs/functions");
+    if (d != NULL) {
+        while ((p = readdir(d)) != NULL) {
+//            printf(" - %s\n", p->d_name);
+            totaFunctionlFiles++;
+        }
+    } else {
+        printf("Could not open directory!\n");
+    }
+    closedir(d);
+    printf("Total files = %d\n", totaFunctionlFiles);
+    return 0;
+}
+
+int navFunctionFiles(int direction)
+{
+
+    if(direction == DIR_UP) {
+        if(functionFileNumber < totaFunctionlFiles) {
+            functionFileNumber++;
+        } else {
+            functionFileNumber = 1;
+        }
+        printf("UP: %d\n", functionFileNumber);
+    } else {
+        if(functionFileNumber > 1) {
+            functionFileNumber--;
+        } else {
+            functionFileNumber = totaFunctionlFiles;
+        }
+        printf("DOWN: %d\n", functionFileNumber);
+    }
+    return 0;
+}
+
+int openFunctionFile(int inpFile)
+{
+    char fileLoc [40];
+    sprintf (fileLoc, "/fs/functions/function%d.txt", inpFile);
+    printf ("[%s] is location %d file number\n", fileLoc, inpFile);
+
+    FILE* fp = fopen(fileLoc, "r");
+    ffunc.pos=0;
+    while (fscanf(fp, "%d,%d", &ffunc.x[ffunc.pos], &ffunc.t[ffunc.pos]) != EOF) {
+        ffunc.pos++;
+    }
+
+    fclose(fp);
+    functionActive = 1;
+    functionPosition = 0;
+    printFunctionData();
+    return 0;
+}
+
+void printFunctionData()
+{
+    printf ("total: %d\n", ffunc.pos);
+    for(int i=0; i<ffunc.pos; i++ ) {
+        printf ("%d, %d\n", ffunc.x[i], ffunc.t[i]);
+    }
+}
+