SoC 功能

此文档介绍了 ESP32-C2 SoC 硬件功能的宏定义。ESP-IDF 中的条件编译指令通常使用这些宏来确定哪些依赖于硬件的功能受到支持，从而控制需编译的代码内容。

备注

目前，这些宏定义不属于公共 API，未来可能发生重大更改。如需了解详情，请前往 ESP-IDF 版本简介。

API 参考

Header File

components/soc/esp32c2/include/soc/soc_caps.h
This header file can be included with:
#include "soc/soc_caps.h"

Macros

SOC_ADC_SUPPORTED

SOC_DEDICATED_GPIO_SUPPORTED

SOC_UART_SUPPORTED

SOC_GDMA_SUPPORTED

SOC_AHB_GDMA_SUPPORTED

SOC_GPTIMER_SUPPORTED

SOC_PHY_SUPPORTED

SOC_BT_SUPPORTED

SOC_WIFI_SUPPORTED

SOC_ASYNC_MEMCPY_SUPPORTED

SOC_SUPPORTS_SECURE_DL_MODE

SOC_EFUSE_KEY_PURPOSE_FIELD

SOC_EFUSE_CONSISTS_OF_ONE_KEY_BLOCK

SOC_EFUSE_SUPPORTED

SOC_TEMP_SENSOR_SUPPORTED

SOC_LEDC_SUPPORTED

SOC_I2C_SUPPORTED

SOC_GPSPI_SUPPORTED

SOC_SHA_SUPPORTED

SOC_ECC_SUPPORTED

SOC_FLASH_ENC_SUPPORTED

SOC_SECURE_BOOT_SUPPORTED

SOC_SYSTIMER_SUPPORTED

SOC_BOD_SUPPORTED

SOC_CLK_TREE_SUPPORTED

SOC_ASSIST_DEBUG_SUPPORTED

SOC_WDT_SUPPORTED

SOC_SPI_FLASH_SUPPORTED

SOC_RNG_SUPPORTED

SOC_LIGHT_SLEEP_SUPPORTED

SOC_DEEP_SLEEP_SUPPORTED

SOC_LP_PERIPH_SHARE_INTERRUPT

SOC_PM_SUPPORTED

SOC_XTAL_SUPPORT_26M

SOC_XTAL_SUPPORT_40M

SOC_ADC_DIG_CTRL_SUPPORTED: < SAR ADC Module

SOC_ADC_DIG_IIR_FILTER_SUPPORTED

SOC_ADC_MONITOR_SUPPORTED

SOC_ADC_DIG_SUPPORTED_UNIT(UNIT)

SOC_ADC_PERIPH_NUM

SOC_ADC_CHANNEL_NUM(PERIPH_NUM)

SOC_ADC_MAX_CHANNEL_NUM

SOC_ADC_ATTEN_NUM: Digital

SOC_ADC_DIGI_CONTROLLER_NUM

SOC_ADC_PATT_LEN_MAX: One pattern table, each contains 8 items. Each item takes 1 byte

SOC_ADC_DIGI_MIN_BITWIDTH

SOC_ADC_DIGI_MAX_BITWIDTH

SOC_ADC_DIGI_IIR_FILTER_NUM

SOC_ADC_DIGI_MONITOR_NUM: F_sample = F_digi_con / 2 / interval. F_digi_con = 5M for now. 30 <= interval<= 4095

SOC_ADC_SAMPLE_FREQ_THRES_HIGH

SOC_ADC_SAMPLE_FREQ_THRES_LOW: RTC

SOC_ADC_RTC_MIN_BITWIDTH

SOC_ADC_RTC_MAX_BITWIDTH: Calibration

SOC_ADC_CALIBRATION_V1_SUPPORTED: support HW offset calibration version 1

SOC_ADC_SELF_HW_CALI_SUPPORTED: support HW offset self calibration ADC power control is shared by PWDET, TempSensor

SOC_ADC_SHARED_POWER

SOC_BROWNOUT_RESET_SUPPORTED

SOC_SHARED_IDCACHE_SUPPORTED

SOC_CPU_CORES_NUM

SOC_CPU_INTR_NUM

SOC_CPU_HAS_FLEXIBLE_INTC

SOC_CPU_HAS_CSR_PC

SOC_CPU_BREAKPOINTS_NUM

SOC_CPU_WATCHPOINTS_NUM

SOC_CPU_WATCHPOINT_MAX_REGION_SIZE

SOC_CPU_IDRAM_SPLIT_USING_PMP

SOC_ECC_SUPPORT_POINT_VERIFY_QUIRK

SOC_AHB_GDMA_VERSION

SOC_GDMA_NUM_GROUPS_MAX

SOC_GDMA_PAIRS_PER_GROUP_MAX

SOC_GPIO_PORT

SOC_GPIO_PIN_COUNT

SOC_GPIO_SUPPORT_PIN_GLITCH_FILTER

SOC_GPIO_FILTER_CLK_SUPPORT_APB

SOC_GPIO_SUPPORT_FORCE_HOLD

SOC_GPIO_SUPPORT_DEEPSLEEP_WAKEUP

SOC_GPIO_VALID_GPIO_MASK

SOC_GPIO_VALID_OUTPUT_GPIO_MASK

SOC_GPIO_IN_RANGE_MAX

SOC_GPIO_OUT_RANGE_MAX

SOC_GPIO_DEEP_SLEEP_WAKE_VALID_GPIO_MASK

SOC_GPIO_DEEP_SLEEP_WAKE_SUPPORTED_PIN_CNT

SOC_GPIO_VALID_DIGITAL_IO_PAD_MASK

SOC_GPIO_CLOCKOUT_BY_GPIO_MATRIX

SOC_GPIO_CLOCKOUT_CHANNEL_NUM

SOC_GPIO_SUPPORT_HOLD_IO_IN_DSLP

SOC_DEDIC_GPIO_OUT_CHANNELS_NUM: 8 outward channels on each CPU core

SOC_DEDIC_GPIO_IN_CHANNELS_NUM: 8 inward channels on each CPU core

SOC_DEDIC_PERIPH_ALWAYS_ENABLE: The dedicated GPIO (a.k.a. fast GPIO) is featured by some customized CPU instructions, which is always enabled

SOC_I2C_NUM

SOC_HP_I2C_NUM

SOC_I2C_FIFO_LEN: I2C hardware FIFO depth

SOC_I2C_CMD_REG_NUM: Number of I2C command registers

SOC_I2C_SUPPORT_HW_CLR_BUS

SOC_I2C_SUPPORT_XTAL

SOC_I2C_SUPPORT_RTC

SOC_I2C_SUPPORT_10BIT_ADDR

SOC_LEDC_SUPPORT_PLL_DIV_CLOCK

SOC_LEDC_SUPPORT_XTAL_CLOCK

SOC_LEDC_TIMER_NUM

SOC_LEDC_CHANNEL_NUM

SOC_LEDC_TIMER_BIT_WIDTH

SOC_LEDC_SUPPORT_FADE_STOP

SOC_MMU_PAGE_SIZE_CONFIGURABLE

SOC_MMU_LINEAR_ADDRESS_REGION_NUM

SOC_MMU_PERIPH_NUM

SOC_MPU_CONFIGURABLE_REGIONS_SUPPORTED

SOC_MPU_MIN_REGION_SIZE

SOC_MPU_REGIONS_MAX_NUM

SOC_MPU_REGION_RO_SUPPORTED

SOC_MPU_REGION_WO_SUPPORTED

SOC_RTC_CNTL_CPU_PD_DMA_BUS_WIDTH

SOC_RTC_CNTL_CPU_PD_REG_FILE_NUM

SOC_RTC_CNTL_CPU_PD_DMA_ADDR_ALIGN

SOC_RTC_CNTL_CPU_PD_DMA_BLOCK_SIZE

SOC_RTC_CNTL_CPU_PD_RETENTION_MEM_SIZE

SOC_RTCIO_PIN_COUNT

SOC_SHA_SUPPORT_RESUME

SOC_SHA_SUPPORT_SHA1

SOC_SHA_SUPPORT_SHA224

SOC_SHA_SUPPORT_SHA256

SOC_SPI_PERIPH_NUM

SOC_SPI_PERIPH_CS_NUM(i)

SOC_SPI_MAX_CS_NUM

SOC_SPI_MAXIMUM_BUFFER_SIZE

SOC_SPI_SUPPORT_DDRCLK

SOC_SPI_SLAVE_SUPPORT_SEG_TRANS

SOC_SPI_SUPPORT_CD_SIG

SOC_SPI_SUPPORT_CONTINUOUS_TRANS

SOC_SPI_SUPPORT_SLAVE_HD_VER2

SOC_SPI_SUPPORT_CLK_XTAL

SOC_SPI_SUPPORT_CLK_PLL_F40M

SOC_SPI_PERIPH_SUPPORT_MULTILINE_MODE(host_id)

SOC_SPI_PERIPH_SUPPORT_CONTROL_DUMMY_OUT

SOC_SPI_SCT_SUPPORTED

SOC_SPI_SCT_SUPPORTED_PERIPH(PERIPH_NUM)

SOC_SPI_SCT_REG_NUM

SOC_SPI_SCT_BUFFER_NUM_MAX

SOC_SPI_SCT_CONF_BITLEN_MAX

SOC_MEMSPI_IS_INDEPENDENT

SOC_SPI_MAX_PRE_DIVIDER

SOC_SPI_MEM_SUPPORT_AUTO_WAIT_IDLE

SOC_SPI_MEM_SUPPORT_AUTO_SUSPEND

SOC_SPI_MEM_SUPPORT_AUTO_RESUME

SOC_SPI_MEM_SUPPORT_IDLE_INTR

SOC_SPI_MEM_SUPPORT_SW_SUSPEND

SOC_SPI_MEM_SUPPORT_CHECK_SUS

SOC_SPI_MEM_SUPPORT_WRAP

SOC_MEMSPI_SRC_FREQ_60M_SUPPORTED

SOC_MEMSPI_SRC_FREQ_30M_SUPPORTED

SOC_MEMSPI_SRC_FREQ_20M_SUPPORTED

SOC_MEMSPI_SRC_FREQ_15M_SUPPORTED

SOC_SYSTIMER_COUNTER_NUM

SOC_SYSTIMER_ALARM_NUM

SOC_SYSTIMER_BIT_WIDTH_LO

SOC_SYSTIMER_BIT_WIDTH_HI

SOC_SYSTIMER_FIXED_DIVIDER

SOC_SYSTIMER_INT_LEVEL

SOC_SYSTIMER_ALARM_MISS_COMPENSATE

SOC_TIMER_GROUPS

SOC_TIMER_GROUP_TIMERS_PER_GROUP

SOC_TIMER_GROUP_COUNTER_BIT_WIDTH

SOC_TIMER_GROUP_SUPPORT_XTAL

SOC_TIMER_GROUP_TOTAL_TIMERS

SOC_MWDT_SUPPORT_XTAL

SOC_EFUSE_DIS_DOWNLOAD_ICACHE

SOC_EFUSE_DIS_PAD_JTAG

SOC_EFUSE_DIS_DIRECT_BOOT

SOC_SECURE_BOOT_V2_ECC

SOC_EFUSE_SECURE_BOOT_KEY_DIGESTS

SOC_FLASH_ENCRYPTED_XTS_AES_BLOCK_MAX

SOC_FLASH_ENCRYPTION_XTS_AES

SOC_FLASH_ENCRYPTION_XTS_AES_OPTIONS

SOC_FLASH_ENCRYPTION_XTS_AES_128

SOC_FLASH_ENCRYPTION_XTS_AES_128_DERIVED

SOC_UART_NUM

SOC_UART_HP_NUM

SOC_UART_FIFO_LEN: The UART hardware FIFO length

SOC_UART_BITRATE_MAX: Max bit rate supported by UART

SOC_UART_SUPPORT_WAKEUP_INT: Support UART wakeup interrupt

SOC_UART_SUPPORT_PLL_F40M_CLK: Support APB as the clock source

SOC_UART_SUPPORT_RTC_CLK: Support RTC clock as the clock source

SOC_UART_SUPPORT_XTAL_CLK: Support XTAL clock as the clock source

SOC_UART_SUPPORT_FSM_TX_WAIT_SEND

SOC_SUPPORT_COEXISTENCE

SOC_COEX_HW_PTI

SOC_EXTERNAL_COEX_ADVANCE: HARDWARE ADVANCED EXTERNAL COEXISTENCE CAPS

SOC_EXTERNAL_COEX_LEADER_TX_LINE: EXTERNAL COEXISTENCE TX LINE CAPS

SOC_PHY_DIG_REGS_MEM_SIZE

SOC_WIFI_LIGHT_SLEEP_CLK_WIDTH

SOC_PM_SUPPORT_WIFI_WAKEUP

SOC_PM_SUPPORT_BT_WAKEUP

SOC_PM_SUPPORT_RC_FAST_PD

SOC_PM_SUPPORT_VDDSDIO_PD

SOC_CLK_RC_FAST_D256_SUPPORTED

SOC_RTC_SLOW_CLK_SUPPORT_RC_FAST_D256

SOC_CLK_RC_FAST_SUPPORT_CALIBRATION

SOC_CLK_OSC_SLOW_SUPPORTED: ESP32C2 only supports to connect an external oscillator, not a crystal

SOC_CLK_LP_FAST_SUPPORT_XTAL_D2: Support XTAL_D2 clock as the LP_FAST clock source

SOC_WIFI_HW_TSF: Support hardware TSF

SOC_WIFI_FTM_SUPPORT: Support FTM

SOC_WIFI_SUPPORT_VARIABLE_BEACON_WINDOW: Support delta early time for rf phy on/off

SOC_WIFI_PHY_NEEDS_USB_WORKAROUND: SoC has WiFi and USB PHYs interference, needs a workaround

SOC_BLE_SUPPORTED: Support Bluetooth Low Energy hardware

SOC_BLE_MESH_SUPPORTED: Support BLE MESH

SOC_ESP_NIMBLE_CONTROLLER: Support BLE EMBEDDED controller V1

SOC_BLE_50_SUPPORTED: Support Bluetooth 5.0

SOC_BLE_DEVICE_PRIVACY_SUPPORTED: Support BLE device privacy mode

SOC_BLUFI_SUPPORTED: Support BLUFI

SOC_BLE_PERIODIC_ADV_ENH_SUPPORTED: Support For BLE Periodic Adv Enhancements

SOC_PHY_IMPROVE_RX_11B

SOC_PHY_COMBO_MODULE: Support Wi-Fi and BLE

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