85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/* USB Example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <stdlib.h>
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#include "esp_log.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "driver/gpio.h"
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#include "sdkconfig.h"
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#include "tinyusb.h"
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static const char *TAG = "example";
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// USB Device Driver task
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// This top level thread processes all usb events and invokes callbacks
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static void usb_device_task(void *param) {
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(void)param;
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ESP_LOGI(TAG, "USB task started");
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while (1) {
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tud_task(); // RTOS forever loop
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}
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}
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void app_main(void) {
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ESP_LOGI(TAG, "USB initialization");
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#if CONFIG_EXAMPLE_MANUAL_DESC
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// Setting of descriptor. You can use descriptor_tinyusb and
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// descriptor_str_tinyusb as a reference
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tusb_desc_device_t my_descriptor = {
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.bLength = sizeof(my_descriptor),
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.bDescriptorType = TUSB_DESC_DEVICE,
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.bcdUSB = 0x0200, // USB version. 0x0200 means version 2.0
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.bDeviceClass = TUSB_CLASS_UNSPECIFIED,
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.bMaxPacketSize0 = CFG_TUD_ENDOINT0_SIZE,
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.idVendor = 0x303A,
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.idProduct = 0x3000,
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.bcdDevice = 0x0101, // Device FW version
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.iManufacturer = 0x01, // see string_descriptor[1] bellow
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.iProduct = 0x02, // see string_descriptor[2] bellow
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.iSerialNumber = 0x03, // see string_descriptor[3] bellow
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.bNumConfigurations = 0x01};
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tusb_desc_strarray_device_t my_string_descriptor = {
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// array of pointer to string descriptors
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(char[]){0x09, 0x04}, // 0: is supported language is English (0x0409)
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"I", // 1: Manufacturer
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"My Custom Device", // 2: Product
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"012-345", // 3: Serials, should use chip ID
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};
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tinyusb_config_t tusb_cfg = {
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.descriptor = &my_descriptor,
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.string_descriptor = my_string_descriptor,
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.external_phy = false // In the most cases you need to use a `false` value
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};
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#else
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tinyusb_config_t tusb_cfg = {
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.descriptor = NULL,
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.string_descriptor = NULL,
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.external_phy = false // In the most cases you need to use a `false` value
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};
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#endif
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ESP_ERROR_CHECK(tinyusb_driver_install(&tusb_cfg));
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ESP_LOGI(TAG, "USB initialization DONE");
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// Create a task for tinyusb device stack:
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xTaskCreate(usb_device_task, "usbd", 4096, NULL, 5, NULL);
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return;
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}
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