espressif_idf-extra-components/usb/esp_tinyusb/tinyusb.c

94 lines
3.1 KiB
C

/*
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "sdkconfig.h"
#include "esp_log.h"
#include "esp_check.h"
#include "esp_err.h"
#include "esp_private/periph_ctrl.h"
#include "esp_private/usb_phy.h"
#include "soc/usb_pins.h"
#include "tinyusb.h"
#include "descriptors_control.h"
#include "usb_descriptors.h"
#include "tusb.h"
#include "tusb_tasks.h"
const static char *TAG = "TinyUSB";
static usb_phy_handle_t phy_hdl;
esp_err_t tinyusb_driver_install(const tinyusb_config_t *config)
{
const tusb_desc_device_t *dev_descriptor;
const char **string_descriptor;
const uint8_t *cfg_descriptor;
ESP_RETURN_ON_FALSE(config, ESP_ERR_INVALID_ARG, TAG, "invalid argument");
// Configure USB PHY
usb_phy_config_t phy_conf = {
.controller = USB_PHY_CTRL_OTG,
.otg_mode = USB_OTG_MODE_DEVICE,
};
// External PHY IOs config
usb_phy_ext_io_conf_t ext_io_conf = {
.vp_io_num = USBPHY_VP_NUM,
.vm_io_num = USBPHY_VM_NUM,
.rcv_io_num = USBPHY_RCV_NUM,
.oen_io_num = USBPHY_OEN_NUM,
.vpo_io_num = USBPHY_VPO_NUM,
.vmo_io_num = USBPHY_VMO_NUM,
};
if (config->external_phy) {
phy_conf.target = USB_PHY_TARGET_EXT;
phy_conf.ext_io_conf = &ext_io_conf;
} else {
phy_conf.target = USB_PHY_TARGET_INT;
}
// OTG IOs config
const usb_phy_otg_io_conf_t otg_io_conf = USB_PHY_SELF_POWERED_DEVICE(config->vbus_monitor_io);
if (config->self_powered) {
phy_conf.otg_io_conf = &otg_io_conf;
}
ESP_RETURN_ON_ERROR(usb_new_phy(&phy_conf, &phy_hdl), TAG, "Install USB PHY failed");
if (config->configuration_descriptor) {
cfg_descriptor = config->configuration_descriptor;
} else {
#if (CONFIG_TINYUSB_HID_COUNT > 0 || CONFIG_TINYUSB_MIDI_COUNT > 0)
// For HID device, configuration descriptor must be provided
ESP_RETURN_ON_FALSE(config->configuration_descriptor, ESP_ERR_INVALID_ARG, TAG, "Configuration descriptor must be provided for this device");
#else
cfg_descriptor = descriptor_cfg_kconfig;
ESP_LOGW(TAG, "The device's configuration descriptor is not provided by user, using default.");
#endif
}
if (config->string_descriptor) {
string_descriptor = config->string_descriptor;
} else {
string_descriptor = descriptor_str_kconfig;
ESP_LOGW(TAG, "The device's string descriptor is not provided by user, using default.");
}
if (config->device_descriptor) {
dev_descriptor = config->device_descriptor;
} else {
dev_descriptor = &descriptor_dev_kconfig;
ESP_LOGW(TAG, "The device's device descriptor is not provided by user, using default.");
}
tusb_set_descriptor(dev_descriptor, string_descriptor, cfg_descriptor);
ESP_RETURN_ON_FALSE(tusb_init(), ESP_FAIL, TAG, "Init TinyUSB stack failed");
#if !CONFIG_TINYUSB_NO_DEFAULT_TASK
ESP_RETURN_ON_ERROR(tusb_run_task(), TAG, "Run TinyUSB task failed");
#endif
ESP_LOGI(TAG, "TinyUSB Driver installed");
return ESP_OK;
}