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refactor(usb_host/examples): Enabled external Hub support feature

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This commit is contained in:
Roman Leonov
2024-10-07 19:03:51 +08:00
parent 8046784118
commit d83c477422
9 changed files with 258 additions and 154 deletions
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88
examples/peripherals/usb/host/msc/main/msc_example_main.c
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@@ -28,6 +28,11 @@ static const char *TAG = "example";
#define APP_QUIT_PIN GPIO_NUM_0 // BOOT button on most boards
#define BUFFER_SIZE 4096 // The read/write performance can be improved with larger buffer for the cost of RAM, 4kB is enough for most usecases
// IMPORTANT NOTE
// MSC Class Driver is not fully support connecting devices through external Hub.
// TODO: Remove this line after MSC Class Driver will support it
static bool dev_present = false;
/**
* @brief Application Queue and its messages ID
*/
@@ -77,7 +82,7 @@ static void gpio_cb(void *arg)
static void msc_event_cb(const msc_host_event_t *event, void *arg)
{
if (event->event == MSC_DEVICE_CONNECTED) {
ESP_LOGI(TAG, "MSC device connected");
ESP_LOGI(TAG, "MSC device connected (usb_addr=%d)", event->device.address);
app_message_t message = {
.id = APP_DEVICE_CONNECTED,
.data.new_dev_address = event->device.address,
@@ -271,47 +276,56 @@ void app_main(void)
xQueueReceive(app_queue, &msg, portMAX_DELAY);
if (msg.id == APP_DEVICE_CONNECTED) {
// 1. MSC flash drive connected. Open it and map it to Virtual File System
ESP_ERROR_CHECK(msc_host_install_device(msg.data.new_dev_address, &msc_device));
const esp_vfs_fat_mount_config_t mount_config = {
.format_if_mount_failed = false,
.max_files = 3,
.allocation_unit_size = 8192,
};
ESP_ERROR_CHECK(msc_host_vfs_register(msc_device, MNT_PATH, &mount_config, &vfs_handle));
if (dev_present) {
ESP_LOGW(TAG, "MSC Example handles only one device at a time");
} else {
// 0. Change flag
dev_present = true;
// 1. MSC flash drive connected. Open it and map it to Virtual File System
ESP_ERROR_CHECK(msc_host_install_device(msg.data.new_dev_address, &msc_device));
const esp_vfs_fat_mount_config_t mount_config = {
.format_if_mount_failed = false,
.max_files = 3,
.allocation_unit_size = 8192,
};
ESP_ERROR_CHECK(msc_host_vfs_register(msc_device, MNT_PATH, &mount_config, &vfs_handle));
// 2. Print information about the connected disk
msc_host_device_info_t info;
ESP_ERROR_CHECK(msc_host_get_device_info(msc_device, &info));
msc_host_print_descriptors(msc_device);
print_device_info(&info);
// 2. Print information about the connected disk
msc_host_device_info_t info;
ESP_ERROR_CHECK(msc_host_get_device_info(msc_device, &info));
msc_host_print_descriptors(msc_device);
print_device_info(&info);
// 3. List all the files in root directory
ESP_LOGI(TAG, "ls command output:");
struct dirent *d;
DIR *dh = opendir(MNT_PATH);
assert(dh);
while ((d = readdir(dh)) != NULL) {
printf("%s\n", d->d_name);
// 3. List all the files in root directory
ESP_LOGI(TAG, "ls command output:");
struct dirent *d;
DIR *dh = opendir(MNT_PATH);
assert(dh);
while ((d = readdir(dh)) != NULL) {
printf("%s\n", d->d_name);
}
closedir(dh);
// 4. The disk is mounted to Virtual File System, perform some basic demo file operation
file_operations();
// 5. Perform speed test
speed_test();
ESP_LOGI(TAG, "Example finished, you can disconnect the USB flash drive");
}
closedir(dh);
// 4. The disk is mounted to Virtual File System, perform some basic demo file operation
file_operations();
// 5. Perform speed test
speed_test();
ESP_LOGI(TAG, "Example finished, you can disconnect the USB flash drive");
}
if ((msg.id == APP_DEVICE_DISCONNECTED) || (msg.id == APP_QUIT)) {
if (vfs_handle) {
ESP_ERROR_CHECK(msc_host_vfs_unregister(vfs_handle));
vfs_handle = NULL;
}
if (msc_device) {
ESP_ERROR_CHECK(msc_host_uninstall_device(msc_device));
msc_device = NULL;
if (dev_present) {
dev_present = false;
if (vfs_handle) {
ESP_ERROR_CHECK(msc_host_vfs_unregister(vfs_handle));
vfs_handle = NULL;
}
if (msc_device) {
ESP_ERROR_CHECK(msc_host_uninstall_device(msc_device));
msc_device = NULL;
}
}
if (msg.id == APP_QUIT) {
// This will cause the usb_task to exit