68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
// 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 "sdkconfig.h"
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#include "esp_log.h"
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#include "esp_check.h"
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#include "esp_err.h"
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#include "esp_private/usb_phy.h"
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#include "soc/usb_pins.h"
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#include "tinyusb.h"
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#include "descriptors_control.h"
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#include "tusb.h"
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#include "tusb_tasks.h"
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const static char *TAG = "TinyUSB";
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static usb_phy_handle_t phy_hdl;
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esp_err_t tinyusb_driver_install(const tinyusb_config_t *config)
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{
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tusb_desc_device_t *dev_descriptor;
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const char **string_descriptor;
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ESP_RETURN_ON_FALSE(config, ESP_ERR_INVALID_ARG, TAG, "invalid argument");
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// Configure USB PHY
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usb_phy_config_t phy_conf = {
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.controller = USB_PHY_CTRL_OTG,
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.otg_mode = USB_OTG_MODE_DEVICE,
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};
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if (config->external_phy) {
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phy_conf.target = USB_PHY_TARGET_EXT;
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usb_phy_gpio_conf_t gpio_conf = {
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.vp_io_num = USBPHY_VP_NUM,
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.vm_io_num = USBPHY_VM_NUM,
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.rcv_io_num = USBPHY_RCV_NUM,
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.oen_io_num = USBPHY_OEN_NUM,
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.vpo_io_num = USBPHY_VPO_NUM,
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.vmo_io_num = USBPHY_VMO_NUM,
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};
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phy_conf.gpio_conf = &gpio_conf;
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} else {
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phy_conf.target = USB_PHY_TARGET_INT;
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}
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ESP_RETURN_ON_ERROR(usb_new_phy(&phy_conf, &phy_hdl), TAG, "Install USB PHY failed");
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dev_descriptor = config->descriptor ? config->descriptor : &descriptor_kconfig;
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string_descriptor = config->string_descriptor ? config->string_descriptor : descriptor_str_kconfig;
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tusb_set_descriptor(dev_descriptor, string_descriptor);
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ESP_RETURN_ON_FALSE(tusb_init(), ESP_FAIL, TAG, "Init TinyUSB stack failed");
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#if !CONFIG_TINYUSB_NO_DEFAULT_TASK
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ESP_RETURN_ON_ERROR(tusb_run_task(), TAG, "Run TinyUSB task failed");
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#endif
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ESP_LOGI(TAG, "TinyUSB Driver installed");
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return ESP_OK;
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}
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