Files
watch-watch/main/usb_cdc_log.c

67 lines
1.8 KiB
C

#include "usb_cdc_log.h"
#include <stdio.h>
#include "esp_check.h"
#include "esp_log.h"
#include "tinyusb.h"
#include "tusb_cdc_acm.h"
static const char *TAG = "usb_log";
static bool s_initialized;
static bool s_host_ready;
static void usb_cdc_line_state_changed_callback(int itf, cdcacm_event_t *event)
{
(void)itf;
s_host_ready = event->line_state_changed_data.dtr;
if (s_host_ready) {
const char banner[] = "\r\nwatch-watch log over USB CDC\r\n";
tinyusb_cdcacm_write_queue(TINYUSB_CDC_ACM_0, (const uint8_t *)banner, sizeof(banner) - 1);
tinyusb_cdcacm_write_flush(TINYUSB_CDC_ACM_0, 0);
}
}
bool usb_cdc_log_ready(void)
{
return s_host_ready;
}
esp_err_t usb_cdc_log_init(void)
{
if (s_initialized) {
return ESP_OK;
}
const tinyusb_config_t tusb_cfg = {
.device_descriptor = NULL,
.string_descriptor = NULL,
.external_phy = false,
#if (TUD_OPT_HIGH_SPEED)
.fs_configuration_descriptor = NULL,
.hs_configuration_descriptor = NULL,
.qualifier_descriptor = NULL,
#else
.configuration_descriptor = NULL,
#endif
};
ESP_RETURN_ON_ERROR(tinyusb_driver_install(&tusb_cfg), TAG, "TinyUSB init failed");
const tinyusb_config_cdcacm_t acm_cfg = {
.usb_dev = TINYUSB_USBDEV_0,
.cdc_port = TINYUSB_CDC_ACM_0,
.rx_unread_buf_sz = 64,
.callback_rx = NULL,
.callback_rx_wanted_char = NULL,
.callback_line_state_changed = usb_cdc_line_state_changed_callback,
.callback_line_coding_changed = NULL,
};
ESP_RETURN_ON_ERROR(tusb_cdc_acm_init(&acm_cfg), TAG, "CDC init failed");
s_initialized = true;
ESP_LOGI(TAG, "USB CDC лог ініціалізовано (перенаправлення ESP_LOG вимкнено)");
return ESP_OK;
}