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usb: Add USB host CDC-ACM class driver

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This commit is contained in:
Tomas Rezucha
2021-07-16 10:01:15 +02:00
parent 6e7716bcf7
commit dd1b698075
23 changed files with 2747 additions and 1 deletions
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5
components/usb/usb_host.c
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@@ -571,6 +571,7 @@ static void _handle_pending_ep(client_t *client_obj)
esp_err_t usb_host_client_register(const usb_host_client_config_t *client_config, usb_host_client_handle_t *client_hdl_ret)
{
HOST_CHECK(p_host_lib_obj, ESP_ERR_INVALID_STATE);
HOST_CHECK(client_config != NULL && client_hdl_ret != NULL, ESP_ERR_INVALID_ARG);
HOST_CHECK(client_config->max_num_event_msg > 0, ESP_ERR_INVALID_ARG);
if (!client_config->is_synchronous) {
@@ -1229,7 +1230,9 @@ esp_err_t usb_host_transfer_alloc(size_t data_buffer_size, int num_isoc_packets,
esp_err_t usb_host_transfer_free(usb_transfer_t *transfer)
{
HOST_CHECK(transfer != NULL, ESP_ERR_INVALID_ARG);
if (transfer == NULL) {
return ESP_OK;
}
urb_t *urb = __containerof(transfer, urb_t, transfer);
urb_free(urb);
return ESP_OK;