1menu "ESP32S2-specific" 2 # TODO: this component simply shouldn't be included 3 # in the build at the CMake level, but this is currently 4 # not working so we just hide all items here 5 visible if IDF_TARGET_ESP32S2 6 7 choice ESP32S2_DEFAULT_CPU_FREQ_MHZ 8 prompt "CPU frequency" 9 default ESP32S2_DEFAULT_CPU_FREQ_160 if !IDF_ENV_FPGA 10 default ESP32S2_DEFAULT_CPU_FREQ_FPGA if IDF_ENV_FPGA 11 help 12 CPU frequency to be set on application startup. 13 14 config ESP32S2_DEFAULT_CPU_FREQ_FPGA 15 depends on IDF_ENV_FPGA 16 bool "FPGA" 17 config ESP32S2_DEFAULT_CPU_FREQ_80 18 bool "80 MHz" 19 config ESP32S2_DEFAULT_CPU_FREQ_160 20 bool "160 MHz" 21 config ESP32S2_DEFAULT_CPU_FREQ_240 22 bool "240 MHz" 23 endchoice 24 25 config ESP32S2_DEFAULT_CPU_FREQ_MHZ 26 int 27 default 40 if IDF_ENV_FPGA 28 default 80 if ESP32S2_DEFAULT_CPU_FREQ_80 29 default 160 if ESP32S2_DEFAULT_CPU_FREQ_160 30 default 240 if ESP32S2_DEFAULT_CPU_FREQ_240 31 32 menu "Cache config" 33 34 choice ESP32S2_INSTRUCTION_CACHE_SIZE 35 prompt "Instruction cache size" 36 default ESP32S2_INSTRUCTION_CACHE_8KB 37 help 38 Instruction cache size to be set on application startup. 39 If you use 8KB instruction cache rather than 16KB instruction cache, 40 then the other 8KB will be added to the heap. 41 42 config ESP32S2_INSTRUCTION_CACHE_8KB 43 bool "8KB" 44 config ESP32S2_INSTRUCTION_CACHE_16KB 45 bool "16KB" 46 endchoice 47 48 choice ESP32S2_INSTRUCTION_CACHE_LINE_SIZE 49 prompt "Instruction cache line size" 50 default ESP32S2_INSTRUCTION_CACHE_LINE_32B 51 help 52 Instruction cache line size to be set on application startup. 53 54 config ESP32S2_INSTRUCTION_CACHE_LINE_16B 55 bool "16 Bytes" 56 config ESP32S2_INSTRUCTION_CACHE_LINE_32B 57 bool "32 Bytes" 58 endchoice 59 60 choice ESP32S2_DATA_CACHE_SIZE 61 prompt "Data cache size" 62 default ESP32S2_DATA_CACHE_0KB if !ESP32S2_SPIRAM_SUPPORT 63 default ESP32S2_DATA_CACHE_8KB if ESP32S2_SPIRAM_SUPPORT 64 help 65 Data cache size to be set on application startup. 66 If you use 0KB data cache, the other 16KB will be added to the heap 67 If you use 8KB data cache rather than 16KB data cache, the other 8KB will be added to the heap 68 69 config ESP32S2_DATA_CACHE_0KB 70 depends on !ESP32S2_SPIRAM_SUPPORT 71 bool "0KB" 72 config ESP32S2_DATA_CACHE_8KB 73 bool "8KB" 74 config ESP32S2_DATA_CACHE_16KB 75 bool "16KB" 76 endchoice 77 78 choice ESP32S2_DATA_CACHE_LINE_SIZE 79 prompt "Data cache line size" 80 default ESP32S2_DATA_CACHE_LINE_32B 81 help 82 Data cache line size to be set on application startup. 83 84 config ESP32S2_DATA_CACHE_LINE_16B 85 bool "16 Bytes" 86 config ESP32S2_DATA_CACHE_LINE_32B 87 bool "32 Bytes" 88 endchoice 89 90 config ESP32S2_INSTRUCTION_CACHE_WRAP 91 bool "Enable instruction cache wrap" 92 default "n" 93 help 94 If enabled, instruction cache will use wrap mode to read spi flash (maybe spiram). 95 The wrap length equals to INSTRUCTION_CACHE_LINE_SIZE. 96 However, it depends on complex conditions. 97 98 config ESP32S2_DATA_CACHE_WRAP 99 bool "Enable data cache wrap" 100 default "n" 101 help 102 If enabled, data cache will use wrap mode to read spiram (maybe spi flash). 103 The wrap length equals to DATA_CACHE_LINE_SIZE. 104 However, it depends on complex conditions. 105 106 endmenu # Cache config 107 108 # Note: to support SPIRAM across multiple chips, check CONFIG_SPIRAM 109 # instead 110 config ESP32S2_SPIRAM_SUPPORT 111 bool "Support for external, SPI-connected RAM" 112 default "n" 113 select SPIRAM 114 help 115 This enables support for an external SPI RAM chip, connected in parallel with the 116 main SPI flash chip. 117 118 menu "SPI RAM config" 119 depends on ESP32S2_SPIRAM_SUPPORT 120 121 choice SPIRAM_TYPE 122 prompt "Type of SPI RAM chip in use" 123 default SPIRAM_TYPE_AUTO 124 125 config SPIRAM_TYPE_AUTO 126 bool "Auto-detect" 127 128 config SPIRAM_TYPE_ESPPSRAM16 129 bool "ESP-PSRAM16 or APS1604" 130 131 config SPIRAM_TYPE_ESPPSRAM32 132 bool "ESP-PSRAM32 or IS25WP032" 133 134 config SPIRAM_TYPE_ESPPSRAM64 135 bool "ESP-PSRAM64 or LY68L6400" 136 endchoice 137 138 config SPIRAM_SIZE 139 int 140 default -1 if SPIRAM_TYPE_AUTO 141 default 2097152 if SPIRAM_TYPE_ESPPSRAM16 142 default 4194304 if SPIRAM_TYPE_ESPPSRAM32 143 default 8388608 if SPIRAM_TYPE_ESPPSRAM64 144 default 0 145 146 menu "PSRAM clock and cs IO for ESP32S2" 147 depends on ESP32S2_SPIRAM_SUPPORT 148 config DEFAULT_PSRAM_CLK_IO 149 int "PSRAM CLK IO number" 150 range 0 33 151 default 30 152 help 153 The PSRAM CLOCK IO can be any unused GPIO, user can config it based on hardware design. 154 155 config DEFAULT_PSRAM_CS_IO 156 int "PSRAM CS IO number" 157 range 0 33 158 default 26 159 help 160 The PSRAM CS IO can be any unused GPIO, user can config it based on hardware design. 161 endmenu 162 config SPIRAM_FETCH_INSTRUCTIONS 163 bool "Cache fetch instructions from SPI RAM" 164 default n 165 help 166 If enabled, instruction in flash will be copied into SPIRAM. 167 If SPIRAM_RODATA also enabled, 168 you can run the instruction when erasing or programming the flash. 169 170 config SPIRAM_RODATA 171 bool "Cache load read only data from SPI RAM" 172 default n 173 help 174 If enabled, radata in flash will be copied into SPIRAM. 175 If SPIRAM_FETCH_INSTRUCTIONS also enabled, 176 you can run the instruction when erasing or programming the flash. 177 178 choice SPIRAM_SPEED 179 prompt "Set RAM clock speed" 180 default SPIRAM_SPEED_40M 181 help 182 Select the speed for the SPI RAM chip. 183 184 config SPIRAM_SPEED_80M 185 bool "80MHz clock speed" 186 config SPIRAM_SPEED_40M 187 bool "40Mhz clock speed" 188 config SPIRAM_SPEED_26M 189 bool "26Mhz clock speed" 190 config SPIRAM_SPEED_20M 191 bool "20Mhz clock speed" 192 endchoice 193 194 # insert non-chip-specific items here 195 source "$IDF_PATH/components/esp_common/Kconfig.spiram.common" 196 197 endmenu 198 199 config ESP32S2_MEMMAP_TRACEMEM 200 bool 201 default "n" 202 203 config ESP32S2_MEMMAP_TRACEMEM_TWOBANKS 204 bool 205 default "n" 206 207 config ESP32S2_TRAX 208 bool "Use TRAX tracing feature" 209 default "n" 210 select ESP32S2_MEMMAP_TRACEMEM 211 help 212 The ESP32S2 contains a feature which allows you to trace the execution path the processor 213 has taken through the program. This is stored in a chunk of 32K (16K for single-processor) 214 of memory that can't be used for general purposes anymore. Disable this if you do not know 215 what this is. 216 217 config ESP32S2_TRACEMEM_RESERVE_DRAM 218 hex 219 default 0x8000 if ESP32S2_MEMMAP_TRACEMEM && ESP32S2_MEMMAP_TRACEMEM_TWOBANKS 220 default 0x4000 if ESP32S2_MEMMAP_TRACEMEM && !ESP32S2_MEMMAP_TRACEMEM_TWOBANKS 221 default 0x0 222 223 224 choice ESP32S2_UNIVERSAL_MAC_ADDRESSES 225 bool "Number of universally administered (by IEEE) MAC address" 226 default ESP32S2_UNIVERSAL_MAC_ADDRESSES_TWO 227 help 228 Configure the number of universally administered (by IEEE) MAC addresses. 229 During initialization, MAC addresses for each network interface are generated or derived from a 230 single base MAC address. 231 If the number of universal MAC addresses is Two, all interfaces (WiFi station, WiFi softap) receive a 232 universally administered MAC address. They are generated sequentially by adding 0, and 1 (respectively) 233 to the final octet of the base MAC address. If the number of universal MAC addresses is one, 234 only WiFi station receives a universally administered MAC address. 235 It's generated by adding 0 to the base MAC address. 236 The WiFi softap receives local MAC addresses. It's derived from the universal WiFi station MAC addresses. 237 When using the default (Espressif-assigned) base MAC address, either setting can be used. When using 238 a custom universal MAC address range, the correct setting will depend on the allocation of MAC 239 addresses in this range (either 1 or 2 per device.) 240 241 config ESP32S2_UNIVERSAL_MAC_ADDRESSES_ONE 242 bool "One" 243 select ESP_MAC_ADDR_UNIVERSE_WIFI_STA 244 config ESP32S2_UNIVERSAL_MAC_ADDRESSES_TWO 245 bool "Two" 246 select ESP_MAC_ADDR_UNIVERSE_WIFI_STA 247 select ESP_MAC_ADDR_UNIVERSE_WIFI_AP 248 endchoice 249 250 config ESP32S2_UNIVERSAL_MAC_ADDRESSES 251 int 252 default 1 if ESP32S2_UNIVERSAL_MAC_ADDRESSES_ONE 253 default 2 if ESP32S2_UNIVERSAL_MAC_ADDRESSES_TWO 254 255 config ESP32S2_ULP_COPROC_ENABLED 256 bool "Enable Ultra Low Power (ULP) Coprocessor" 257 default "n" 258 help 259 Set to 'y' if you plan to load a firmware for the coprocessor. 260 261 If this option is enabled, further coprocessor configuration will appear in the Components menu. 262 263 config ESP32S2_ULP_COPROC_RESERVE_MEM 264 int 265 prompt "RTC slow memory reserved for coprocessor" if ESP32S2_ULP_COPROC_ENABLED 266 default 2048 if ESP32S2_ULP_COPROC_ENABLED 267 range 32 8192 if ESP32S2_ULP_COPROC_ENABLED 268 default 0 if !ESP32S2_ULP_COPROC_ENABLED 269 range 0 0 if !ESP32S2_ULP_COPROC_ENABLED 270 help 271 Bytes of memory to reserve for ULP coprocessor firmware & data. 272 273 Data is reserved at the beginning of RTC slow memory. 274 275 config ESP32S2_ULP_COPROC_RISCV 276 bool "Enable RISC-V as ULP coprocessor" 277 depends on ESP32S2_ULP_COPROC_ENABLED 278 default n 279 help 280 Set this to y to use the RISC-V coprocessor instead of the FSM-ULP. 281 282 config ESP32S2_DEBUG_OCDAWARE 283 bool "Make exception and panic handlers JTAG/OCD aware" 284 default y 285 select FREERTOS_DEBUG_OCDAWARE 286 help 287 The FreeRTOS panic and unhandled exception handers can detect a JTAG OCD debugger and 288 instead of panicking, have the debugger stop on the offending instruction. 289 290 config ESP32S2_DEBUG_STUBS_ENABLE 291 bool "OpenOCD debug stubs" 292 default COMPILER_OPTIMIZATION_LEVEL_DEBUG 293 depends on !ESP32S2_TRAX 294 help 295 Debug stubs are used by OpenOCD to execute pre-compiled onboard code which does some useful debugging, 296 e.g. GCOV data dump. 297 298 config ESP32S2_BROWNOUT_DET 299 bool "Hardware brownout detect & reset" 300 default y 301 help 302 The ESP32-S2 has a built-in brownout detector which can detect if the voltage is lower than 303 a specific value. If this happens, it will reset the chip in order to prevent unintended 304 behaviour. 305 306 choice ESP32S2_BROWNOUT_DET_LVL_SEL 307 prompt "Brownout voltage level" 308 depends on ESP32S2_BROWNOUT_DET 309 default ESP32S2_BROWNOUT_DET_LVL_SEL_7 310 help 311 The brownout detector will reset the chip when the supply voltage is approximately 312 below this level. Note that there may be some variation of brownout voltage level 313 between each ESP3-S2 chip. 314 315 #The voltage levels here are estimates, more work needs to be done to figure out the exact voltages 316 #of the brownout threshold levels. 317 config ESP32S2_BROWNOUT_DET_LVL_SEL_7 318 bool "2.44V" 319 config ESP32S2_BROWNOUT_DET_LVL_SEL_6 320 bool "2.56V" 321 config ESP32S2_BROWNOUT_DET_LVL_SEL_5 322 bool "2.67V" 323 config ESP32S2_BROWNOUT_DET_LVL_SEL_4 324 bool "2.84V" 325 config ESP32S2_BROWNOUT_DET_LVL_SEL_3 326 bool "2.98V" 327 config ESP32S2_BROWNOUT_DET_LVL_SEL_2 328 bool "3.19V" 329 config ESP32S2_BROWNOUT_DET_LVL_SEL_1 330 bool "3.30V" 331 endchoice 332 333 config ESP32S2_BROWNOUT_DET_LVL 334 int 335 default 1 if ESP32S2_BROWNOUT_DET_LVL_SEL_1 336 default 2 if ESP32S2_BROWNOUT_DET_LVL_SEL_2 337 default 3 if ESP32S2_BROWNOUT_DET_LVL_SEL_3 338 default 4 if ESP32S2_BROWNOUT_DET_LVL_SEL_4 339 default 5 if ESP32S2_BROWNOUT_DET_LVL_SEL_5 340 default 6 if ESP32S2_BROWNOUT_DET_LVL_SEL_6 341 default 7 if ESP32S2_BROWNOUT_DET_LVL_SEL_7 342 343 344 # Note about the use of "FRC1" name: currently FRC1 timer is not used for 345 # high resolution timekeeping anymore. Instead the esp_timer API, implemented 346 # using FRC2 timer, is used. 347 # FRC1 name in the option name is kept for compatibility. 348 choice ESP32S2_TIME_SYSCALL 349 prompt "Timers used for gettimeofday function" 350 default ESP32S2_TIME_SYSCALL_USE_RTC_FRC1 351 help 352 This setting defines which hardware timers are used to 353 implement 'gettimeofday' and 'time' functions in C library. 354 355 - If both high-resolution and RTC timers are used, timekeeping will 356 continue in deep sleep. Time will be reported at 1 microsecond 357 resolution. This is the default, and the recommended option. 358 - If only high-resolution timer is used, gettimeofday will 359 provide time at microsecond resolution. 360 Time will not be preserved when going into deep sleep mode. 361 - If only RTC timer is used, timekeeping will continue in 362 deep sleep, but time will be measured at 6.(6) microsecond 363 resolution. Also the gettimeofday function itself may take 364 longer to run. 365 - If no timers are used, gettimeofday and time functions 366 return -1 and set errno to ENOSYS. 367 - When RTC is used for timekeeping, two RTC_STORE registers are 368 used to keep time in deep sleep mode. 369 370 config ESP32S2_TIME_SYSCALL_USE_RTC_FRC1 371 bool "RTC and high-resolution timer" 372 select ESP_TIME_FUNCS_USE_RTC_TIMER 373 select ESP_TIME_FUNCS_USE_ESP_TIMER 374 config ESP32S2_TIME_SYSCALL_USE_RTC 375 bool "RTC" 376 select ESP_TIME_FUNCS_USE_RTC_TIMER 377 config ESP32S2_TIME_SYSCALL_USE_FRC1 378 bool "High-resolution timer" 379 select ESP_TIME_FUNCS_USE_ESP_TIMER 380 config ESP32S2_TIME_SYSCALL_USE_NONE 381 bool "None" 382 select ESP_TIME_FUNCS_USE_NONE 383 endchoice 384 385 choice ESP32S2_RTC_CLK_SRC 386 prompt "RTC clock source" 387 default ESP32S2_RTC_CLK_SRC_INT_RC 388 help 389 Choose which clock is used as RTC clock source. 390 391 - "Internal 90kHz oscillator" option provides lowest deep sleep current 392 consumption, and does not require extra external components. However 393 frequency stability with respect to temperature is poor, so time may 394 drift in deep/light sleep modes. 395 - "External 32kHz crystal" provides better frequency stability, at the 396 expense of slightly higher (1uA) deep sleep current consumption. 397 - "External 32kHz oscillator" allows using 32kHz clock generated by an 398 external circuit. In this case, external clock signal must be connected 399 to 32K_XN pin. Amplitude should be <1.2V in case of sine wave signal, 400 and <1V in case of square wave signal. Common mode voltage should be 401 0.1 < Vcm < 0.5Vamp, where Vamp is the signal amplitude. 402 Additionally, 1nF capacitor must be connected between 32K_XP pin and 403 ground. 32K_XP pin can not be used as a GPIO in this case. 404 - "Internal 8MHz oscillator divided by 256" option results in higher 405 deep sleep current (by 5uA) but has better frequency stability than 406 the internal 90kHz oscillator. It does not require external components. 407 408 config ESP32S2_RTC_CLK_SRC_INT_RC 409 bool "Internal 90kHz RC oscillator" 410 config ESP32S2_RTC_CLK_SRC_EXT_CRYS 411 bool "External 32kHz crystal" 412 select ESP_SYSTEM_RTC_EXT_XTAL 413 config ESP32S2_RTC_CLK_SRC_EXT_OSC 414 bool "External 32kHz oscillator at 32K_XN pin" 415 config ESP32S2_RTC_CLK_SRC_INT_8MD256 416 bool "Internal 8MHz oscillator, divided by 256 (~32kHz)" 417 endchoice 418 419 config ESP32S2_RTC_CLK_CAL_CYCLES 420 int "Number of cycles for RTC_SLOW_CLK calibration" 421 default 3000 if ESP32S2_RTC_CLK_SRC_EXT_CRYS || ESP32S2_RTC_CLK_SRC_EXT_OSC || ESP32S2_RTC_CLK_SRC_INT_8MD256 422 default 576 if ESP32S2_RTC_CLK_SRC_INT_RC 423 range 0 125000 424 help 425 When the startup code initializes RTC_SLOW_CLK, it can perform 426 calibration by comparing the RTC_SLOW_CLK frequency with main XTAL 427 frequency. This option sets the number of RTC_SLOW_CLK cycles measured 428 by the calibration routine. Higher numbers increase calibration 429 precision, which may be important for applications which spend a lot of 430 time in deep sleep. Lower numbers reduce startup time. 431 432 When this option is set to 0, clock calibration will not be performed at 433 startup, and approximate clock frequencies will be assumed: 434 435 - 90000 Hz if internal RC oscillator is used as clock source. For this use value 1024. 436 - 32768 Hz if the 32k crystal oscillator is used. For this use value 3000 or more. 437 In case more value will help improve the definition of the launch of the crystal. 438 If the crystal could not start, it will be switched to internal RC. 439 440 config ESP32S2_RTC_XTAL_CAL_RETRY 441 int "Number of attempts to repeat 32k XTAL calibration" 442 default 3 443 depends on ESP32S2_RTC_CLK_SRC_EXT_CRYS 444 help 445 Number of attempts to repeat 32k XTAL calibration 446 before giving up and switching to the internal RC. 447 Increase this option if the 32k crystal oscillator 448 does not start and switches to internal RC. 449 450 config ESP32S2_NO_BLOBS 451 bool "No Binary Blobs" 452 depends on !BT_ENABLED 453 default n 454 help 455 If enabled, this disables the linking of binary libraries in the application build. Note 456 that after enabling this Wi-Fi/Bluetooth will not work. 457 458 config ESP32S2_KEEP_USB_ALIVE 459 bool "Keep USB peripheral enabled at start up" if !ESP_CONSOLE_USB_CDC 460 default y if ESP_CONSOLE_USB_CDC 461 help 462 During the application initialization process, all the peripherals except UARTs and timers 463 are reset. Enable this option to keep USB peripheral enabled. 464 This option is automatically enabled if "USB CDC" console is selected. 465 466 config ESP32S2_RTCDATA_IN_FAST_MEM 467 bool "Place RTC_DATA_ATTR and RTC_RODATA_ATTR variables into RTC fast memory segment" 468 default n 469 help 470 This option allows to place .rtc_data and .rtc_rodata sections into 471 RTC fast memory segment to free the slow memory region for ULP programs. 472 473 config ESP32S2_USE_FIXED_STATIC_RAM_SIZE 474 bool "Use fixed static RAM size" 475 default n 476 help 477 If this option is disabled, the DRAM part of the heap starts right after the .bss section, 478 within the dram0_0 region. As a result, adding or removing some static variables 479 will change the available heap size. 480 481 If this option is enabled, the DRAM part of the heap starts right after the dram0_0 region, 482 where its length is set with ESP32S2_FIXED_STATIC_RAM_SIZE 483 484 config ESP32S2_FIXED_STATIC_RAM_SIZE 485 hex "Fixed Static RAM size" 486 default 0x10000 487 range 0 0x34000 488 depends on ESP32S2_USE_FIXED_STATIC_RAM_SIZE 489 help 490 RAM size dedicated for static variables (.data & .bss sections). 491 492endmenu # ESP32S2-Specific 493
