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Portenta C33: Msd QSPI examples, mount both partition #137

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Merged
merged 2 commits into from
Oct 2, 2023
Merged

Portenta C33: Msd QSPI examples, mount both partition #137

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21effa1
UsbMsd: MSD_QSPI example, mount both QSPI partitions
pennam Sep 18, 2023
42e975a
UsbMsd: MSD_QSPI example, handle LittleFS user partition
pennam Sep 18, 2023
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50 changes: 26 additions & 24 deletions libraries/UsbMsd/examples/MSD_QSPI/MSD_QSPI.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -14,22 +14,18 @@
This example code is in the public domain.
*/

/*
* CONFIGURATION DEFINES
*/

/* the name of the filesystem */
#define TEST_FS_NAME "qspi"

#include "QSPIFlashBlockDevice.h"
#include "BlockDevice.h"
#include "MBRBlockDevice.h"
#include "UsbMsd.h"
#include "FATFileSystem.h"

BlockDevice* root = BlockDevice::get_default_instance();
USBMSD msd(root);
FATFileSystem fs(TEST_FS_NAME);
MBRBlockDevice sys_bd(root, 1);
MBRBlockDevice user_bd(root, 2);
FATFileSystem sys_fs("sys");
FATFileSystem user_fs("user");

std::string root_folder = std::string("/") + std::string(TEST_FS_NAME);
int err = 0;

/* -------------------------------------------------------------------------- */
void printDirectoryContent(const char* name) {
Expand Down Expand Up @@ -64,33 +60,39 @@ void printDirectoryContent(const char* name) {
/* SETUP */
/* -------------------------------------------------------------------------- */
void setup() {

/* SERIAL INITIALIZATION */
Serial.begin(9600);
while(!Serial) {

while(!Serial) {
}

Serial.println("*** USB Mass Storage DEVICE on QSPI Flash ***");



/* Mount the partition */
int err = fs.mount(root);
err = sys_fs.mount(&sys_bd);
if (err) {
Serial.println("Unable to mount filesystem");
Serial.println("Unable to mount system filesystem");
while(1) {

}
}
}

/* Mount the partition */
err = user_fs.mount(&user_bd);
if (err) {
Serial.println("Unable to mount user filesystem. Only FatFS is supported");
/* Probably the user is using LittleFs. Go on and show only system fs */
}
}

/* -------------------------------------------------------------------------- */
/* LOOP */
/* -------------------------------------------------------------------------- */
void loop() {
Serial.print("Content of the folder ");
Serial.print(root_folder.c_str());
Serial.println(":");
printDirectoryContent(root_folder.c_str());
Serial.println("Content of the system partition:");
printDirectoryContent("/sys");
if(!err) {
Serial.println("Content of the user partition:");
printDirectoryContent("/user");
}
delay(2000);
}