Headers for MAX32630FTHR Demo Board sample programs
generalinterface.cpp
- Committer:
- Lugs
- Date:
- 2019-07-30
- Revision:
- 0:a6a8578e95af
File content as of revision 0:a6a8578e95af:
#include "generalinterface.h" Serial daplink(P2_1,P2_0); USBSerial microUSB; SDBlockDevice bd(P0_5, P0_6, P0_4, P0_7); FATFileSystem fs("fs"); USBMSD_BD msd(&bd); void clearSerialStream() { char c; while(daplink.readable()) { c = daplink.getc(); wait_ms(1); } } bool getInput(int maxSize,char *inputArray) { int i; char c; clearSerialStream(); for(i=0; i<maxSize && c!='\r'; i++) { c = daplink.getc(); daplink.putc(c); inputArray[i] = c; } if(i == maxSize) { return 0; } else { return 1; } } void startFileSystem() { printf("\f---STARTING FILESYSTEM...---\r\n"); Thread::wait(100); // Try to mount the filesystem printf("Mounting the filesystem... "); fflush(stdout); int err = fs.mount(&bd); printf("%s\r\n", (err ? "Fail :(" : "OK")); if (err) { // Reformat if we can't mount the filesystem // this should only happen on the first boot printf("No filesystem found, formatting... "); fflush(stdout); err = fs.reformat(&bd); printf("%s\r\n", (err ? "Fail :(" : "OK")); } // Open the numbers file printf("Opening \"/fs/numbers.txt\"... "); fflush(stdout); FILE *f = fopen("/fs/numbers.txt", "r+"); printf("%s\r\n", (!f ? "Fail :(" : "OK")); if (!f) { // Create the numbers file if it doesn't exist printf("No file found, creating a new file... "); fflush(stdout); f = fopen("/fs/numbers.txt", "w+"); printf("%s\r\n", (!f ? "Fail :(" : "OK")); for (int i = 0; i < 10; i++) { printf("\rWriting numbers (%d/%d)... ", i, 10); fflush(stdout); err = fprintf(f, " %d\r\n", i); if (err < 0) { printf("Fail :(\r\n"); } } printf("\rWriting numbers (%d/%d)... OK\r\n", 10, 10); printf("Seeking file... "); fflush(stdout); err = fseek(f, 0, SEEK_SET); printf("%s\r\n", (err < 0 ? "Fail :(" : "OK")); } // Go through and increment the numbers for (int i = 0; i < 10; i++) { printf("\rIncrementing numbers (%d/%d)... ", i, 10); fflush(stdout); // Get current stream position long pos = ftell(f); // Parse out the number and increment int32_t number; fscanf(f, "%d", &number); number += 1; // Seek to beginning of number fseek(f, pos, SEEK_SET); // Store number fprintf(f, " %d\r\n", number); } printf("\rIncrementing numbers (%d/%d)... OK\r\n", 10, 10); // Close the file which also flushes any cached writes printf("Closing \"/fs/numbers.txt\"... "); fflush(stdout); err = fclose(f); printf("%s\r\n", (err < 0 ? "Fail :(" : "OK")); // Display the root directory printf("Opening the root directory... "); fflush(stdout); DIR *d = opendir("/fs/"); printf("%s\r\n", (!d ? "Fail :(" : "OK")); printf("root directory:\r\n"); while (true) { struct dirent *e = readdir(d); if (!e) { break; } printf(" %s\r\n", e->d_name); } printf("Closing the root directory... "); fflush(stdout); err = closedir(d); printf("%s\r\n", (err < 0 ? "Fail :(" : "OK")); // Display the numbers file printf("Opening \"/fs/numbers.txt\"... "); fflush(stdout); f = fopen("/fs/numbers.txt", "r"); printf("%s\r\n", (!f ? "Fail :(" : "OK")); printf("numbers:\r\n"); while (!feof(f)) { int c = fgetc(f); printf("%c", c); } printf("\rClosing \"/fs/numbers.txt\"... "); fflush(stdout); err = fclose(f); printf("%s\r\n", (err < 0 ? "Fail :(" : "OK")); // Switch to MSD // printf("Unmounting... "); // fflush(stdout); // err = fs.unmount(); // printf("%s\r\n", (err < 0 ? "Fail :(" : "OK")); printf("Starting MSD... "); msd.disk_initialize(); err = msd.connect(); printf("%s\r\n", (err < 0 ? "Fail :(" : "OK")); }