113 lines
3.8 KiB
C
113 lines
3.8 KiB
C
/*
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* SPDX-FileCopyrightText: 2020-2025 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <string.h>
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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 "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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// For the tinyusb component without tusb_teardown() implementation
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#ifndef tusb_teardown
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# define tusb_teardown() (true)
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#endif // tusb_teardown
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esp_err_t tinyusb_driver_install(const tinyusb_config_t *config)
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{
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ESP_RETURN_ON_FALSE(config, ESP_ERR_INVALID_ARG, TAG, "Config can't be NULL");
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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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#if (USB_PHY_SUPPORTS_P4_OTG11)
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.otg_speed = (TUD_OPT_HIGH_SPEED) ? USB_PHY_SPEED_HIGH : USB_PHY_SPEED_FULL,
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#else
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#if (CONFIG_IDF_TARGET_ESP32P4 && CONFIG_TINYUSB_RHPORT_FS)
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#error "USB PHY for OTG1.1 is not supported, please update your esp-idf."
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#endif // IDF_TARGET_ESP32P4 && CONFIG_TINYUSB_RHPORT_FS
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#endif // USB_PHY_SUPPORTS_P4_OTG11
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};
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/*
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Following ext. PHY IO configuration is here to provide compatibility with IDFv5.x releases,
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where ext. PHY IOs were mapped to predefined GPIOs.
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In reality, ESP32-S2 and ESP32-S3 can map ext. PHY IOs to any GPIOs.
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This option is implemented in esp_tinyusb v2.0.0 and later.
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*/
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usb_phy_ext_io_conf_t ext_io_conf;
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// Use memset to be compatible with IDF < 5.4.1 where suspend_n_io_num and fs_edge_sel_io_num were added
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memset(&ext_io_conf, -1, sizeof(usb_phy_ext_io_conf_t));
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#if CONFIG_IDF_TARGET_ESP32S2
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ext_io_conf.vp_io_num = 33;
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ext_io_conf.vm_io_num = 34;
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ext_io_conf.rcv_io_num = 35;
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ext_io_conf.oen_io_num = 36;
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ext_io_conf.vpo_io_num = 37;
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ext_io_conf.vmo_io_num = 38;
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#elif CONFIG_IDF_TARGET_ESP32S3
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ext_io_conf.vp_io_num = 42;
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ext_io_conf.vm_io_num = 41;
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ext_io_conf.rcv_io_num = 21;
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ext_io_conf.oen_io_num = 40;
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ext_io_conf.vpo_io_num = 39;
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ext_io_conf.vmo_io_num = 38;
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#endif // IDF_TARGET_ESP32S3
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if (config->external_phy) {
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phy_conf.target = USB_PHY_TARGET_EXT;
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phy_conf.ext_io_conf = &ext_io_conf;
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/*
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There is a bug in esp-idf that does not allow device speed selection
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when External PHY is used.
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Remove this when proper fix is implemented in IDF-11144
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*/
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phy_conf.otg_speed = USB_PHY_SPEED_UNDEFINED;
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} else {
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phy_conf.target = USB_PHY_TARGET_INT;
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}
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// OTG IOs config
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const usb_phy_otg_io_conf_t otg_io_conf = USB_PHY_SELF_POWERED_DEVICE(config->vbus_monitor_io);
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if (config->self_powered) {
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phy_conf.otg_io_conf = &otg_io_conf;
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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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// Descriptors config
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ESP_RETURN_ON_ERROR(tinyusb_set_descriptors(config), TAG, "Descriptors config failed");
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// Init
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#if !CONFIG_TINYUSB_INIT_IN_DEFAULT_TASK
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ESP_RETURN_ON_FALSE(tusb_init(), ESP_FAIL, TAG, "Init TinyUSB stack failed");
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#endif
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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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esp_err_t tinyusb_driver_uninstall(void)
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{
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#if !CONFIG_TINYUSB_NO_DEFAULT_TASK
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ESP_RETURN_ON_ERROR(tusb_stop_task(), TAG, "Unable to stop TinyUSB task");
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#endif // !CONFIG_TINYUSB_NO_DEFAULT_TASK
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ESP_RETURN_ON_FALSE(tusb_teardown(), ESP_ERR_NOT_FINISHED, TAG, "Unable to teardown TinyUSB");
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tinyusb_free_descriptors();
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ESP_RETURN_ON_ERROR(usb_del_phy(phy_hdl), TAG, "Unable to delete PHY");
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return ESP_OK;
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}
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