esp-idf/components/esp_rom/esp32/esp_rom_caps.h

/*
 * SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#pragma once

#define ESP_ROM_HAS_CRC_LE              (1) // ROM CRC library supports Little Endian
#define ESP_ROM_HAS_CRC_BE              (1) // ROM CRC library supports Big Endian
#define ESP_ROM_HAS_MZ_CRC32            (1) // ROM has mz_crc32 function
#define ESP_ROM_HAS_JPEG_DECODE         (1) // ROM has JPEG decode library
#define ESP_ROM_HAS_UART_BUF_SWITCH     (1) // ROM has exported the uart buffer switch function
#define ESP_ROM_NEEDS_SWSETUP_WORKAROUND    (1) // ROM uses 32-bit time_t. A workaround is required to prevent printf functions from crashing
#define ESP_ROM_HAS_NEWLIB              (1) // ROM has newlib (at least parts of it) functions included
#define ESP_ROM_HAS_NEWLIB_NANO_FORMAT  (1) // ROM has the newlib nano version of formatting functions
#define ESP_ROM_HAS_NEWLIB_32BIT_TIME   (1) // ROM was compiled with 32 bit time_t
#define ESP_ROM_HAS_SW_FLOAT            (1) // ROM has libgcc software floating point emulation functions
#define ESP_ROM_USB_OTG_NUM                 (-1) // No USB_OTG CDC in the ROM, set -1 for Kconfig usage.
#define ESP_ROM_USB_SERIAL_DEVICE_NUM       (-1) // No USB_SERIAL_JTAG in the ROM, set -1 for Kconfig usage.
#define ESP_ROM_SUPPORT_DEEP_SLEEP_WAKEUP_STUB  (1) // ROM supports the HP core to jump to the RTC memory to execute stub code after waking up from deepsleep.
#define ESP_ROM_HAS_OUTPUT_PUTC_FUNC    (1) // ROM has esp_rom_output_putc (or ets_write_char_uart)