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https://github.com/espressif/esp-idf.git
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018582dc64
Some RTC slow memory is reserved by IDF, reduce CONFIG_TARGET_ULP_COPROC_RESERVE_MEM range to reflect this. Closes https://github.com/espressif/esp-idf/issues/7073
462 lines
19 KiB
Plaintext
462 lines
19 KiB
Plaintext
menu "ESP32S2-specific"
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# TODO: this component simply shouldn't be included
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# in the build at the CMake level, but this is currently
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# not working so we just hide all items here
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visible if IDF_TARGET_ESP32S2
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choice ESP32S2_DEFAULT_CPU_FREQ_MHZ
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prompt "CPU frequency"
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default ESP32S2_DEFAULT_CPU_FREQ_160 if !IDF_ENV_FPGA
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default ESP32S2_DEFAULT_CPU_FREQ_FPGA if IDF_ENV_FPGA
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help
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CPU frequency to be set on application startup.
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config ESP32S2_DEFAULT_CPU_FREQ_FPGA
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depends on IDF_ENV_FPGA
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bool "FPGA"
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config ESP32S2_DEFAULT_CPU_FREQ_80
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bool "80 MHz"
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config ESP32S2_DEFAULT_CPU_FREQ_160
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bool "160 MHz"
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config ESP32S2_DEFAULT_CPU_FREQ_240
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bool "240 MHz"
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endchoice
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config ESP32S2_DEFAULT_CPU_FREQ_MHZ
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int
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default 40 if IDF_ENV_FPGA
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default 80 if ESP32S2_DEFAULT_CPU_FREQ_80
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default 160 if ESP32S2_DEFAULT_CPU_FREQ_160
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default 240 if ESP32S2_DEFAULT_CPU_FREQ_240
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menu "Cache config"
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choice ESP32S2_INSTRUCTION_CACHE_SIZE
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prompt "Instruction cache size"
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default ESP32S2_INSTRUCTION_CACHE_8KB
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help
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Instruction cache size to be set on application startup.
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If you use 8KB instruction cache rather than 16KB instruction cache,
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then the other 8KB will be added to the heap.
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config ESP32S2_INSTRUCTION_CACHE_8KB
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bool "8KB"
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config ESP32S2_INSTRUCTION_CACHE_16KB
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bool "16KB"
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endchoice
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choice ESP32S2_INSTRUCTION_CACHE_LINE_SIZE
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prompt "Instruction cache line size"
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default ESP32S2_INSTRUCTION_CACHE_LINE_32B
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help
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Instruction cache line size to be set on application startup.
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config ESP32S2_INSTRUCTION_CACHE_LINE_16B
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bool "16 Bytes"
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config ESP32S2_INSTRUCTION_CACHE_LINE_32B
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bool "32 Bytes"
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endchoice
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choice ESP32S2_DATA_CACHE_SIZE
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prompt "Data cache size"
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default ESP32S2_DATA_CACHE_0KB if !ESP32S2_SPIRAM_SUPPORT
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default ESP32S2_DATA_CACHE_8KB if ESP32S2_SPIRAM_SUPPORT
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help
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Data cache size to be set on application startup.
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If you use 0KB data cache, the other 16KB will be added to the heap
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If you use 8KB data cache rather than 16KB data cache, the other 8KB will be added to the heap
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config ESP32S2_DATA_CACHE_0KB
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depends on !ESP32S2_SPIRAM_SUPPORT
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bool "0KB"
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config ESP32S2_DATA_CACHE_8KB
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bool "8KB"
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config ESP32S2_DATA_CACHE_16KB
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bool "16KB"
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endchoice
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choice ESP32S2_DATA_CACHE_LINE_SIZE
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prompt "Data cache line size"
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default ESP32S2_DATA_CACHE_LINE_32B
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help
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Data cache line size to be set on application startup.
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config ESP32S2_DATA_CACHE_LINE_16B
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bool "16 Bytes"
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config ESP32S2_DATA_CACHE_LINE_32B
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bool "32 Bytes"
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endchoice
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config ESP32S2_INSTRUCTION_CACHE_WRAP
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bool "Enable instruction cache wrap"
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default "n"
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help
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If enabled, instruction cache will use wrap mode to read spi flash (maybe spiram).
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The wrap length equals to INSTRUCTION_CACHE_LINE_SIZE.
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However, it depends on complex conditions.
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config ESP32S2_DATA_CACHE_WRAP
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bool "Enable data cache wrap"
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default "n"
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help
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If enabled, data cache will use wrap mode to read spiram (maybe spi flash).
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The wrap length equals to DATA_CACHE_LINE_SIZE.
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However, it depends on complex conditions.
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endmenu # Cache config
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# Note: to support SPIRAM across multiple chips, check CONFIG_SPIRAM
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# instead
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config ESP32S2_SPIRAM_SUPPORT
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bool "Support for external, SPI-connected RAM"
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default "n"
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select SPIRAM
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help
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This enables support for an external SPI RAM chip, connected in parallel with the
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main SPI flash chip.
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menu "SPI RAM config"
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depends on ESP32S2_SPIRAM_SUPPORT
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choice SPIRAM_TYPE
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prompt "Type of SPI RAM chip in use"
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default SPIRAM_TYPE_AUTO
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config SPIRAM_TYPE_AUTO
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bool "Auto-detect"
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config SPIRAM_TYPE_ESPPSRAM16
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bool "ESP-PSRAM16 or APS1604"
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config SPIRAM_TYPE_ESPPSRAM32
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bool "ESP-PSRAM32 or IS25WP032"
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config SPIRAM_TYPE_ESPPSRAM64
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bool "ESP-PSRAM64 or LY68L6400"
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endchoice
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config SPIRAM_SIZE
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int
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default -1 if SPIRAM_TYPE_AUTO
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default 2097152 if SPIRAM_TYPE_ESPPSRAM16
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default 4194304 if SPIRAM_TYPE_ESPPSRAM32
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default 8388608 if SPIRAM_TYPE_ESPPSRAM64
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default 0
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menu "PSRAM clock and cs IO for ESP32S2"
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depends on ESP32S2_SPIRAM_SUPPORT
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config DEFAULT_PSRAM_CLK_IO
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int "PSRAM CLK IO number"
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range 0 33
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default 30
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help
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The PSRAM CLOCK IO can be any unused GPIO, user can config it based on hardware design.
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config DEFAULT_PSRAM_CS_IO
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int "PSRAM CS IO number"
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range 0 33
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default 26
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help
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The PSRAM CS IO can be any unused GPIO, user can config it based on hardware design.
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endmenu
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config SPIRAM_FETCH_INSTRUCTIONS
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bool "Cache fetch instructions from SPI RAM"
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default n
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help
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If enabled, instruction in flash will be copied into SPIRAM.
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If SPIRAM_RODATA also enabled,
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you can run the instruction when erasing or programming the flash.
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config SPIRAM_RODATA
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bool "Cache load read only data from SPI RAM"
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default n
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help
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If enabled, radata in flash will be copied into SPIRAM.
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If SPIRAM_FETCH_INSTRUCTIONS also enabled,
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you can run the instruction when erasing or programming the flash.
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choice SPIRAM_SPEED
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prompt "Set RAM clock speed"
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default SPIRAM_SPEED_40M
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help
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Select the speed for the SPI RAM chip.
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config SPIRAM_SPEED_80M
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bool "80MHz clock speed"
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config SPIRAM_SPEED_40M
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bool "40Mhz clock speed"
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config SPIRAM_SPEED_26M
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bool "26Mhz clock speed"
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config SPIRAM_SPEED_20M
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bool "20Mhz clock speed"
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endchoice
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# insert non-chip-specific items here
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source "$IDF_PATH/components/esp_hw_support/Kconfig.spiram.common"
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endmenu
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config ESP32S2_MEMMAP_TRACEMEM
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bool
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default "n"
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config ESP32S2_MEMMAP_TRACEMEM_TWOBANKS
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bool
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default "n"
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config ESP32S2_TRAX
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bool "Use TRAX tracing feature"
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default "n"
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select ESP32S2_MEMMAP_TRACEMEM
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help
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The ESP32S2 contains a feature which allows you to trace the execution path the processor
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has taken through the program. This is stored in a chunk of 32K (16K for single-processor)
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of memory that can't be used for general purposes anymore. Disable this if you do not know
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what this is.
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config ESP32S2_TRACEMEM_RESERVE_DRAM
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hex
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default 0x8000 if ESP32S2_MEMMAP_TRACEMEM && ESP32S2_MEMMAP_TRACEMEM_TWOBANKS
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default 0x4000 if ESP32S2_MEMMAP_TRACEMEM && !ESP32S2_MEMMAP_TRACEMEM_TWOBANKS
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default 0x0
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config ESP32S2_ULP_COPROC_ENABLED
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bool "Enable Ultra Low Power (ULP) Coprocessor"
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default "n"
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help
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Set to 'y' if you plan to load a firmware for the coprocessor.
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If this option is enabled, further coprocessor configuration will appear in the Components menu.
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config ESP32S2_ULP_COPROC_RESERVE_MEM
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int
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prompt "RTC slow memory reserved for coprocessor" if ESP32S2_ULP_COPROC_ENABLED
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default 2048 if ESP32S2_ULP_COPROC_ENABLED
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range 32 8176 if ESP32S2_ULP_COPROC_ENABLED
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default 0 if !ESP32S2_ULP_COPROC_ENABLED
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range 0 0 if !ESP32S2_ULP_COPROC_ENABLED
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help
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Bytes of memory to reserve for ULP coprocessor firmware & data.
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Data is reserved at the beginning of RTC slow memory.
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config ESP32S2_ULP_COPROC_RISCV
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bool "Enable RISC-V as ULP coprocessor"
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depends on ESP32S2_ULP_COPROC_ENABLED
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default n
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help
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Set this to y to use the RISC-V coprocessor instead of the FSM-ULP.
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config ESP32S2_DEBUG_OCDAWARE
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bool "Make exception and panic handlers JTAG/OCD aware"
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default y
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select FREERTOS_DEBUG_OCDAWARE
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help
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The FreeRTOS panic and unhandled exception handers can detect a JTAG OCD debugger and
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instead of panicking, have the debugger stop on the offending instruction.
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config ESP32S2_DEBUG_STUBS_ENABLE
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bool "OpenOCD debug stubs"
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default COMPILER_OPTIMIZATION_LEVEL_DEBUG
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depends on !ESP32S2_TRAX
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help
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Debug stubs are used by OpenOCD to execute pre-compiled onboard code which does some useful debugging,
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e.g. GCOV data dump.
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config ESP32S2_BROWNOUT_DET
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bool "Hardware brownout detect & reset"
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default y
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help
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The ESP32-S2 has a built-in brownout detector which can detect if the voltage is lower than
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a specific value. If this happens, it will reset the chip in order to prevent unintended
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behaviour.
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choice ESP32S2_BROWNOUT_DET_LVL_SEL
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prompt "Brownout voltage level"
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depends on ESP32S2_BROWNOUT_DET
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default ESP32S2_BROWNOUT_DET_LVL_SEL_7
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help
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The brownout detector will reset the chip when the supply voltage is approximately
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below this level. Note that there may be some variation of brownout voltage level
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between each ESP3-S2 chip.
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#The voltage levels here are estimates, more work needs to be done to figure out the exact voltages
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#of the brownout threshold levels.
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config ESP32S2_BROWNOUT_DET_LVL_SEL_7
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bool "2.44V"
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config ESP32S2_BROWNOUT_DET_LVL_SEL_6
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bool "2.56V"
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config ESP32S2_BROWNOUT_DET_LVL_SEL_5
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bool "2.67V"
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config ESP32S2_BROWNOUT_DET_LVL_SEL_4
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bool "2.84V"
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config ESP32S2_BROWNOUT_DET_LVL_SEL_3
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bool "2.98V"
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config ESP32S2_BROWNOUT_DET_LVL_SEL_2
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bool "3.19V"
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config ESP32S2_BROWNOUT_DET_LVL_SEL_1
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bool "3.30V"
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endchoice
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config ESP32S2_BROWNOUT_DET_LVL
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int
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default 1 if ESP32S2_BROWNOUT_DET_LVL_SEL_1
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default 2 if ESP32S2_BROWNOUT_DET_LVL_SEL_2
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default 3 if ESP32S2_BROWNOUT_DET_LVL_SEL_3
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default 4 if ESP32S2_BROWNOUT_DET_LVL_SEL_4
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default 5 if ESP32S2_BROWNOUT_DET_LVL_SEL_5
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default 6 if ESP32S2_BROWNOUT_DET_LVL_SEL_6
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default 7 if ESP32S2_BROWNOUT_DET_LVL_SEL_7
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# Note about the use of "FRC1" name: currently FRC1 timer is not used for
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# high resolution timekeeping anymore. Instead the esp_timer API, implemented
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# using FRC2 timer, is used.
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# FRC1 name in the option name is kept for compatibility.
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choice ESP32S2_TIME_SYSCALL
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prompt "Timers used for gettimeofday function"
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default ESP32S2_TIME_SYSCALL_USE_RTC_FRC1
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help
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This setting defines which hardware timers are used to
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implement 'gettimeofday' and 'time' functions in C library.
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- If both high-resolution and RTC timers are used, timekeeping will
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continue in deep sleep. Time will be reported at 1 microsecond
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resolution. This is the default, and the recommended option.
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- If only high-resolution timer is used, gettimeofday will
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provide time at microsecond resolution.
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Time will not be preserved when going into deep sleep mode.
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- If only RTC timer is used, timekeeping will continue in
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deep sleep, but time will be measured at 6.(6) microsecond
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resolution. Also the gettimeofday function itself may take
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longer to run.
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- If no timers are used, gettimeofday and time functions
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return -1 and set errno to ENOSYS.
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- When RTC is used for timekeeping, two RTC_STORE registers are
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used to keep time in deep sleep mode.
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config ESP32S2_TIME_SYSCALL_USE_RTC_FRC1
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bool "RTC and high-resolution timer"
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select ESP_TIME_FUNCS_USE_RTC_TIMER
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select ESP_TIME_FUNCS_USE_ESP_TIMER
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config ESP32S2_TIME_SYSCALL_USE_RTC
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bool "RTC"
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select ESP_TIME_FUNCS_USE_RTC_TIMER
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config ESP32S2_TIME_SYSCALL_USE_FRC1
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bool "High-resolution timer"
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select ESP_TIME_FUNCS_USE_ESP_TIMER
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config ESP32S2_TIME_SYSCALL_USE_NONE
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bool "None"
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select ESP_TIME_FUNCS_USE_NONE
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endchoice
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choice ESP32S2_RTC_CLK_SRC
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prompt "RTC clock source"
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default ESP32S2_RTC_CLK_SRC_INT_RC
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help
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Choose which clock is used as RTC clock source.
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- "Internal 90kHz oscillator" option provides lowest deep sleep current
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consumption, and does not require extra external components. However
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frequency stability with respect to temperature is poor, so time may
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drift in deep/light sleep modes.
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- "External 32kHz crystal" provides better frequency stability, at the
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expense of slightly higher (1uA) deep sleep current consumption.
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- "External 32kHz oscillator" allows using 32kHz clock generated by an
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external circuit. In this case, external clock signal must be connected
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to 32K_XN pin. Amplitude should be <1.2V in case of sine wave signal,
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and <1V in case of square wave signal. Common mode voltage should be
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0.1 < Vcm < 0.5Vamp, where Vamp is the signal amplitude.
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Additionally, 1nF capacitor must be connected between 32K_XP pin and
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ground. 32K_XP pin can not be used as a GPIO in this case.
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- "Internal 8MHz oscillator divided by 256" option results in higher
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deep sleep current (by 5uA) but has better frequency stability than
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the internal 90kHz oscillator. It does not require external components.
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config ESP32S2_RTC_CLK_SRC_INT_RC
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bool "Internal 90kHz RC oscillator"
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config ESP32S2_RTC_CLK_SRC_EXT_CRYS
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bool "External 32kHz crystal"
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select ESP_SYSTEM_RTC_EXT_XTAL
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config ESP32S2_RTC_CLK_SRC_EXT_OSC
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bool "External 32kHz oscillator at 32K_XN pin"
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config ESP32S2_RTC_CLK_SRC_INT_8MD256
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bool "Internal 8MHz oscillator, divided by 256 (~32kHz)"
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endchoice
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config ESP32S2_RTC_CLK_CAL_CYCLES
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int "Number of cycles for RTC_SLOW_CLK calibration"
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default 3000 if ESP32S2_RTC_CLK_SRC_EXT_CRYS || ESP32S2_RTC_CLK_SRC_EXT_OSC || ESP32S2_RTC_CLK_SRC_INT_8MD256
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default 576 if ESP32S2_RTC_CLK_SRC_INT_RC
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range 0 125000
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help
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When the startup code initializes RTC_SLOW_CLK, it can perform
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calibration by comparing the RTC_SLOW_CLK frequency with main XTAL
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frequency. This option sets the number of RTC_SLOW_CLK cycles measured
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by the calibration routine. Higher numbers increase calibration
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precision, which may be important for applications which spend a lot of
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time in deep sleep. Lower numbers reduce startup time.
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When this option is set to 0, clock calibration will not be performed at
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startup, and approximate clock frequencies will be assumed:
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- 90000 Hz if internal RC oscillator is used as clock source. For this use value 1024.
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- 32768 Hz if the 32k crystal oscillator is used. For this use value 3000 or more.
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In case more value will help improve the definition of the launch of the crystal.
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If the crystal could not start, it will be switched to internal RC.
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config ESP32S2_RTC_XTAL_CAL_RETRY
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int "Number of attempts to repeat 32k XTAL calibration"
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default 3
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depends on ESP32S2_RTC_CLK_SRC_EXT_CRYS
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help
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Number of attempts to repeat 32k XTAL calibration
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before giving up and switching to the internal RC.
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Increase this option if the 32k crystal oscillator
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does not start and switches to internal RC.
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config ESP32S2_NO_BLOBS
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bool "No Binary Blobs"
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depends on !BT_ENABLED
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default n
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help
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If enabled, this disables the linking of binary libraries in the application build. Note
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that after enabling this Wi-Fi/Bluetooth will not work.
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config ESP32S2_KEEP_USB_ALIVE
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bool "Keep USB peripheral enabled at start up" if !ESP_CONSOLE_USB_CDC
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default y if ESP_CONSOLE_USB_CDC
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help
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During the application initialization process, all the peripherals except UARTs and timers
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are reset. Enable this option to keep USB peripheral enabled.
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This option is automatically enabled if "USB CDC" console is selected.
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config ESP32S2_RTCDATA_IN_FAST_MEM
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bool "Place RTC_DATA_ATTR and RTC_RODATA_ATTR variables into RTC fast memory segment"
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default n
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help
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This option allows to place .rtc_data and .rtc_rodata sections into
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RTC fast memory segment to free the slow memory region for ULP programs.
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config ESP32S2_USE_FIXED_STATIC_RAM_SIZE
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bool "Use fixed static RAM size"
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default n
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help
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If this option is disabled, the DRAM part of the heap starts right after the .bss section,
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within the dram0_0 region. As a result, adding or removing some static variables
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will change the available heap size.
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If this option is enabled, the DRAM part of the heap starts right after the dram0_0 region,
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where its length is set with ESP32S2_FIXED_STATIC_RAM_SIZE
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config ESP32S2_FIXED_STATIC_RAM_SIZE
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hex "Fixed Static RAM size"
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default 0x10000
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range 0 0x34000
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depends on ESP32S2_USE_FIXED_STATIC_RAM_SIZE
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help
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RAM size dedicated for static variables (.data & .bss sections).
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endmenu # ESP32S2-Specific
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