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[STM32H7] Provisioning fs reformat #957

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[STM32H7] Provisioning fs reformat #957

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ea25933
erasing MBR table before creating a new partitioning scheme
andreagilardoni Sep 23, 2024
12f7655
added an additional parition for provisioning in QSPIFormat sketch
andreagilardoni Sep 23, 2024
24b22ff
QSPIFormat: Added confirmation request before reformatting fs
andreagilardoni Mar 12, 2025
9e05f2b
removed trailing spaces
andreagilardoni Mar 12, 2025
345747c
fixup! added an additional parition for provisioning in QSPIFormat sk…
andreagilardoni Mar 12, 2025
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61 changes: 47 additions & 14 deletions libraries/STM32H747_System/examples/QSPIFormat/QSPIFormat.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -3,15 +3,16 @@
#include "LittleFileSystem.h"
#include "FATFileSystem.h"

#ifndef CORE_CM7
#ifndef CORE_CM7
#error Format QSPI flash by uploading the sketch to the M7 core instead of the M4 core.
#endif


QSPIFBlockDevice root(QSPI_SO0, QSPI_SO1, QSPI_SO2, QSPI_SO3, QSPI_SCK, QSPI_CS, QSPIF_POLARITY_MODE_1, 40000000);
mbed::MBRBlockDevice wifi_data(&root, 1);
mbed::MBRBlockDevice ota_data(&root, 2);
mbed::MBRBlockDevice user_data(&root, 3);
mbed::MBRBlockDevice kvstore_data(&root, 3);
mbed::MBRBlockDevice user_data(&root, 4);
mbed::FATFileSystem wifi_data_fs("wlan");
mbed::FATFileSystem ota_data_fs("fs");
mbed::FileSystem * user_data_fs;
Expand Down Expand Up @@ -47,11 +48,13 @@ void setup() {
Serial.println("Available partition schemes:");
Serial.println("\nPartition scheme 1");
Serial.println("Partition 1: WiFi firmware and certificates 1MB");
Serial.println("Partition 2: OTA and user data 13MB");
Serial.println("Partition 2: OTA and user data 12MB");
Serial.println("Partition 3: Provisioning KVStore 1MB");
Serial.println("\nPartition scheme 2");
Serial.println("Partition 1: WiFi firmware and certificates 1MB");
Serial.println("Partition 2: OTA 5MB");
Serial.println("Partition 3: User data 8MB"),
Serial.println("Partition 3: Provisioning KVStore 1MB");
Serial.println("Partition 4: User data 7MB"),
Serial.println("\nDo you want to use partition scheme 1? Y/[n]");
Serial.println("If No, partition scheme 2 will be used.");
bool default_scheme = waitResponse();
Expand All @@ -60,25 +63,48 @@ void setup() {
Serial.println("Do you want to proceed? Y/[n]");

if (true == waitResponse()) {
if (root.init() != QSPIF_BD_ERROR_OK) {
Serial.println(F("Error: QSPI init failure."));
return;
}

root.erase(0x0, root.get_erase_size());

mbed::MBRBlockDevice::partition(&root, 1, 0x0B, 0, 1024 * 1024);
if(default_scheme) {
mbed::MBRBlockDevice::partition(&root, 3, 0x0B, 14 * 1024 * 1024, 14 * 1024 * 1024);
mbed::MBRBlockDevice::partition(&root, 2, 0x0B, 1024 * 1024, 14 * 1024 * 1024);
mbed::MBRBlockDevice::partition(&root, 2, 0x0B, 1024 * 1024, 13 * 1024 * 1024);
mbed::MBRBlockDevice::partition(&root, 3, 0x0B, 13 * 1024 * 1024, 14 * 1024 * 1024);
// use space from 15.5MB to 16 MB for another fw, memory mapped
} else {
mbed::MBRBlockDevice::partition(&root, 2, 0x0B, 1024 * 1024, 6 * 1024 * 1024);
mbed::MBRBlockDevice::partition(&root, 3, 0x0B, 6 * 1024 * 1024, 14 * 1024 * 1024);
mbed::MBRBlockDevice::partition(&root, 3, 0x0B, 6* 1024 * 1024, 7 * 1024 * 1024);
mbed::MBRBlockDevice::partition(&root, 4, 0x0B, 7 * 1024 * 1024, 14 * 1024 * 1024);
// use space from 15.5MB to 16 MB for another fw, memory mapped
}

int err = wifi_data_fs.reformat(&wifi_data);
if (err) {
bool reformat = true;

if(!wifi_data_fs.mount(&wifi_data)) {
Serial.println("\nPartition 1 already contains a filesystem, do you want to reformat it? Y/[n]");
wifi_data_fs.unmount();

reformat = waitResponse();
}

if (reformat && wifi_data_fs.reformat(&wifi_data)) {
Serial.println("Error formatting WiFi partition");
return;
}

err = ota_data_fs.reformat(&ota_data);
if (err) {

reformat = true;
if(!ota_data_fs.mount(&ota_data)) {
Serial.println("\nPartition 2 already contains a filesystem, do you want to reformat it? Y/[n]");
ota_data_fs.unmount();

reformat = waitResponse();
}

if (reformat && ota_data_fs.reformat(&ota_data)) {
Serial.println("Error formatting OTA partition");
return;
}
Expand All @@ -95,8 +121,15 @@ void setup() {
user_data_fs = new mbed::FATFileSystem("user");
}

err = user_data_fs->reformat(&user_data);
if (err) {
reformat = true;
if(!user_data_fs->mount(&user_data)) {
Serial.println("\nPartition 3 already contains a filesystem, do you want to reformat it? Y/[n]");
user_data_fs->unmount();

reformat = waitResponse();
}

if (reformat && user_data_fs->reformat(&user_data)) {
Serial.println("Error formatting user partition");
return;
}
Expand Down