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Code Issues Releases Wiki Activity

[usb_uart] Be flexible about descriptor layout for CDC-ACM devices (#9425)

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This commit is contained in:
Clyde Stubbs
2025-07-13 08:59:49 +10:00
committed by GitHub
parent 1fda40f0ce
commit e020110579
4 changed files with 56 additions and 58 deletions
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20
esphome/components/usb_host/usb_host_client.cpp
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@@ -70,7 +70,7 @@ static void usbh_print_cfg_desc(const usb_config_desc_t *cfg_desc) {
ESP_LOGV(TAG, "bMaxPower %dmA", cfg_desc->bMaxPower * 2);
}
void usb_client_print_device_descriptor(const usb_device_desc_t *devc_desc) {
static void usb_client_print_device_descriptor(const usb_device_desc_t *devc_desc) {
if (devc_desc == NULL) {
return;
}
@@ -92,8 +92,8 @@ void usb_client_print_device_descriptor(const usb_device_desc_t *devc_desc) {
ESP_LOGV(TAG, "bNumConfigurations %d", devc_desc->bNumConfigurations);
}
void usb_client_print_config_descriptor(const usb_config_desc_t *cfg_desc,
print_class_descriptor_cb class_specific_cb) {
static void usb_client_print_config_descriptor(const usb_config_desc_t *cfg_desc,
print_class_descriptor_cb class_specific_cb) {
if (cfg_desc == nullptr) {
return;
}
@@ -128,9 +128,9 @@ void usb_client_print_config_descriptor(const usb_config_desc_t *cfg_desc,
static std::string get_descriptor_string(const usb_str_desc_t *desc) {
char buffer[256];
if (desc == nullptr)
return "(unknown)";
return "(unspecified)";
char *p = buffer;
for (size_t i = 0; i != desc->bLength / 2; i++) {
for (int i = 0; i != desc->bLength / 2; i++) {
auto c = desc->wData[i];
if (c < 0x100)
*p++ = static_cast<char>(c);
@@ -169,7 +169,7 @@ void USBClient::setup() {
this->mark_failed();
return;
}
for (auto trq : this->trq_pool_) {
for (auto *trq : this->trq_pool_) {
usb_host_transfer_alloc(64, 0, &trq->transfer);
trq->client = this;
}
@@ -197,7 +197,8 @@ void USBClient::loop() {
ESP_LOGD(TAG, "Device descriptor: vid %X pid %X", desc->idVendor, desc->idProduct);
if (desc->idVendor == this->vid_ && desc->idProduct == this->pid_ || this->vid_ == 0 && this->pid_ == 0) {
usb_device_info_t dev_info;
if ((err = usb_host_device_info(this->device_handle_, &dev_info)) != ESP_OK) {
err = usb_host_device_info(this->device_handle_, &dev_info);
if (err != ESP_OK) {
ESP_LOGW(TAG, "Device info failed: %s", esp_err_to_name(err));
this->disconnect();
break;
@@ -336,7 +337,7 @@ static void transfer_callback(usb_transfer_t *xfer) {
* @throws None.
*/
void USBClient::transfer_in(uint8_t ep_address, const transfer_cb_t &callback, uint16_t length) {
auto trq = this->get_trq_();
auto *trq = this->get_trq_();
if (trq == nullptr) {
ESP_LOGE(TAG, "Too many requests queued");
return;
@@ -349,7 +350,6 @@ void USBClient::transfer_in(uint8_t ep_address, const transfer_cb_t &callback, u
if (err != ESP_OK) {
ESP_LOGE(TAG, "Failed to submit transfer, address=%x, length=%d, err=%x", ep_address, length, err);
this->release_trq(trq);
this->disconnect();
}
}
@@ -364,7 +364,7 @@ void USBClient::transfer_in(uint8_t ep_address, const transfer_cb_t &callback, u
* @throws None.
*/
void USBClient::transfer_out(uint8_t ep_address, const transfer_cb_t &callback, const uint8_t *data, uint16_t length) {
auto trq = this->get_trq_();
auto *trq = this->get_trq_();
if (trq == nullptr) {
ESP_LOGE(TAG, "Too many requests queued");
return;