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usb: cdc support, streams redirection; ci, examples upd
tusb: cdc, tasks encapsulation, callbacks api, multiple interfaces examples: added serial interface and usb console ci: reimplemented cmake/make test in python with ignore lists IDF-578
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176
components/tinyusb/additions/src/descriptors_control.c
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176
components/tinyusb/additions/src/descriptors_control.c
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// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "esp_log.h"
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#include "descriptors_control.h"
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static const char *TAG = "tusb_desc";
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static tusb_desc_device_t s_descriptor;
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static char *s_str_descriptor[USB_STRING_DESCRIPTOR_ARRAY_SIZE];
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#define MAX_DESC_BUF_SIZE 32
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#if CFG_TUD_HID //HID Report Descriptor
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uint8_t const desc_hid_report[] = {
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TUD_HID_REPORT_DESC_KEYBOARD(HID_REPORT_ID(REPORT_ID_KEYBOARD), ),
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TUD_HID_REPORT_DESC_MOUSE(HID_REPORT_ID(REPORT_ID_MOUSE), )
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};
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#endif
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uint8_t const desc_configuration[] = {
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// interface count, string index, total length, attribute, power in mA
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TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, TUSB_DESC_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
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# if CFG_TUD_CDC
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// Interface number, string index, EP notification address and size, EP data address (out, in) and size.
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TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, 0x81, 8, 0x02, 0x82, 64),
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# endif
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# if CFG_TUD_MSC
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// Interface number, string index, EP Out & EP In address, EP size
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TUD_MSC_DESCRIPTOR(ITF_NUM_MSC, 5, EPNUM_MSC, 0x80 | EPNUM_MSC, 64), // highspeed 512
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# endif
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# if CFG_TUD_HID
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// Interface number, string index, protocol, report descriptor len, EP In address, size & polling interval
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TUD_HID_DESCRIPTOR(ITF_NUM_HID, 6, HID_PROTOCOL_NONE, sizeof(desc_hid_report), 0x84, 16, 10)
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# endif
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};
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// =============================================================================
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// CALLBACKS
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// =============================================================================
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/**
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* @brief Invoked when received GET DEVICE DESCRIPTOR.
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* Application returns pointer to descriptor
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*
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* @return uint8_t const*
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*/
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uint8_t const *tud_descriptor_device_cb(void)
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{
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return (uint8_t const *)&s_descriptor;
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}
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/**
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* @brief Invoked when received GET CONFIGURATION DESCRIPTOR.
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* Descriptor contents must exist long enough for transfer to complete
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*
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* @param index
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* @return uint8_t const* Application return pointer to descriptor
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*/
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uint8_t const *tud_descriptor_configuration_cb(uint8_t index)
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{
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(void)index; // for multiple configurations
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return desc_configuration;
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}
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static uint16_t _desc_str[MAX_DESC_BUF_SIZE];
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// Invoked when received GET STRING DESCRIPTOR request
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// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
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uint16_t const *tud_descriptor_string_cb(uint8_t index, uint16_t langid)
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{
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(void) langid;
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uint8_t chr_count;
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if ( index == 0) {
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memcpy(&_desc_str[1], s_str_descriptor[0], 2);
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chr_count = 1;
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} else {
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// Convert ASCII string into UTF-16
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if ( index >= sizeof(s_str_descriptor) / sizeof(s_str_descriptor[0]) ) {
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return NULL;
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}
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const char *str = s_str_descriptor[index];
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// Cap at max char
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chr_count = strlen(str);
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if ( chr_count > MAX_DESC_BUF_SIZE - 1 ) {
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chr_count = MAX_DESC_BUF_SIZE - 1;
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}
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for (uint8_t i = 0; i < chr_count; i++) {
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_desc_str[1 + i] = str[i];
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}
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}
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// first byte is length (including header), second byte is string type
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_desc_str[0] = (TUSB_DESC_STRING << 8 ) | (2 * chr_count + 2);
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return _desc_str;
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}
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/**
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* @brief Invoked when received GET HID REPORT DESCRIPTOR
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* Application returns pointer to descriptor. Descriptor contents must exist
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* long enough for transfer to complete
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*
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* @return uint8_t const*
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*/
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#if CFG_TUD_HID
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uint8_t const *tud_hid_descriptor_report_cb(void)
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{
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return desc_hid_report;
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}
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#endif
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// =============================================================================
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// Driver functions
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// =============================================================================
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void tusb_set_descriptor(tusb_desc_device_t *desc, char **str_desc)
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{
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ESP_LOGI(TAG, "Setting of a descriptor: \n"
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".bDeviceClass = %u\n"
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".bDeviceSubClass = %u,\n"
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".bDeviceProtocol = %u,\n"
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".bMaxPacketSize0 = %u,\n"
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".idVendor = 0x%08x,\n"
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".idProduct = 0x%08x,\n"
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".bcdDevice = 0x%08x,\n"
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".iManufacturer = 0x%02x,\n"
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".iProduct = 0x%02x,\n"
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".iSerialNumber = 0x%02x,\n"
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".bNumConfigurations = 0x%02x\n",
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desc->bDeviceClass, desc->bDeviceSubClass,
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desc->bDeviceProtocol, desc->bMaxPacketSize0,
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desc->idVendor, desc->idProduct, desc->bcdDevice,
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desc->iManufacturer, desc->iProduct, desc->iSerialNumber,
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desc->bNumConfigurations);
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s_descriptor = *desc;
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if (str_desc != NULL) {
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memcpy(s_str_descriptor, str_desc,
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sizeof(s_str_descriptor[0])*USB_STRING_DESCRIPTOR_ARRAY_SIZE);
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}
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tusb_desc_set = true;
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}
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tusb_desc_device_t *tusb_get_active_desc(void)
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{
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return &s_descriptor;
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}
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char **tusb_get_active_str_desc(void)
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{
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return s_str_descriptor;
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}
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void tusb_clear_descriptor(void)
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{
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memset(&s_descriptor, 0, sizeof(s_descriptor));
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memset(&s_str_descriptor, 0, sizeof(s_str_descriptor));
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tusb_desc_set = false;
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}
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