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components
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esp_system
Michael (XIAO Xufeng) 0a2e5a7774 Merge branch 'feat/support_esp32c2_uart' into 'master' %!s(int64=3) %!d(string=hai) anos
..
include 3f95fdcb15 feat (esp_system): simple os abstraction layer for critical sections %!s(int64=3) %!d(string=hai) anos
ld 304a8f142d esp32c6: introduce the target %!s(int64=3) %!d(string=hai) anos
port 304a8f142d esp32c6: introduce the target %!s(int64=3) %!d(string=hai) anos
test 746f4b814c uart: move frequency of clock sources out of HAL %!s(int64=3) %!d(string=hai) anos
test_apps c0568611dd docs: changes docs supported targets tables %!s(int64=3) %!d(string=hai) anos
test_eh_frame_parser a9fda54d39 esp_hw_support/esp_system: Re-evaluate header inclusions and include directories %!s(int64=3) %!d(string=hai) anos
.build-test-rules.yml 05d2357062 feat: use standalone project idf-build-apps for find/build apps utils %!s(int64=3) %!d(string=hai) anos
CMakeLists.txt 0071ea498f esp_app_format: Fixed build errors and resolved dependencies %!s(int64=3) %!d(string=hai) anos
Kconfig ee3423834e kconfig: refactor xtal freq kconfig to common configuration item %!s(int64=3) %!d(string=hai) anos
README.md 32aa5f7e25 esp_system: add notes on timekeeping %!s(int64=4) %!d(string=hai) anos
app.lf bbc599493e esp32: move common fragment definitions %!s(int64=4) %!d(string=hai) anos
check_system_init_priorities.py 42654927d5 esp_system: add a script to check the startup priorities %!s(int64=3) %!d(string=hai) anos
crosscore_int.c e25cda2c40 Task WDT: Interuptee task stack is now used for backtracing, regardless of the CPU core %!s(int64=3) %!d(string=hai) anos
debug_stubs.c bb9cd84cdc debug_stubs: Refactor and add support for RISCV %!s(int64=4) %!d(string=hai) anos
eh_frame_parser.c a9fda54d39 esp_hw_support/esp_system: Re-evaluate header inclusions and include directories %!s(int64=3) %!d(string=hai) anos
esp_err.c ca7c9947fc esp_system: fix address printed by ESP_ERROR_CHECK %!s(int64=3) %!d(string=hai) anos
esp_ipc.c ccc184de51 ipc: Increase stacksize when compiling with -O0 %!s(int64=3) %!d(string=hai) anos
esp_system.c 27f5c90e2e freertos: Fix usage of vTaskSuspendAll()/xTaskResumeAll() %!s(int64=3) %!d(string=hai) anos
fpga_overrides.c 09487761cf ESP8684: add freertos, hal, esp_system support %!s(int64=4) %!d(string=hai) anos
freertos_hooks.c 6005cc9163 hal: Deprecate interrupt_controller_hal.h, cpu_hal.h and cpu_ll.h interfaces %!s(int64=3) %!d(string=hai) anos
int_wdt.c 6005cc9163 hal: Deprecate interrupt_controller_hal.h, cpu_hal.h and cpu_ll.h interfaces %!s(int64=3) %!d(string=hai) anos
linker.lf 3254f8deae esp_system: usb_console: fix restart when Wi-Fi is working %!s(int64=3) %!d(string=hai) anos
panic.c 0071ea498f esp_app_format: Fixed build errors and resolved dependencies %!s(int64=3) %!d(string=hai) anos
sdkconfig.rename bb88338118 system: move kconfig options out of target component %!s(int64=3) %!d(string=hai) anos
sdkconfig.rename.esp32 0687daf2c8 kconfig: move remaining kconfig options out of target component %!s(int64=3) %!d(string=hai) anos
sdkconfig.rename.esp32c3 d2872095f9 soc: moved kconfig options out of the target component. %!s(int64=3) %!d(string=hai) anos
sdkconfig.rename.esp32h2 d2872095f9 soc: moved kconfig options out of the target component. %!s(int64=3) %!d(string=hai) anos
sdkconfig.rename.esp32s2 d2872095f9 soc: moved kconfig options out of the target component. %!s(int64=3) %!d(string=hai) anos
sdkconfig.rename.esp32s3 d2872095f9 soc: moved kconfig options out of the target component. %!s(int64=3) %!d(string=hai) anos
stack_check.c a9fda54d39 esp_hw_support/esp_system: Re-evaluate header inclusions and include directories %!s(int64=3) %!d(string=hai) anos
startup.c fbcde6777f newlib: Add workaround for printf functions using 32-bit time_t on first call %!s(int64=3) %!d(string=hai) anos
system_init_fn.txt 3254f8deae esp_system: usb_console: fix restart when Wi-Fi is working %!s(int64=3) %!d(string=hai) anos
system_time.c cf049e15ed esp8684: rename target to esp32c2 %!s(int64=4) %!d(string=hai) anos
task_wdt.c e25cda2c40 Task WDT: Interuptee task stack is now used for backtracing, regardless of the CPU core %!s(int64=3) %!d(string=hai) anos
ubsan.c 6005cc9163 hal: Deprecate interrupt_controller_hal.h, cpu_hal.h and cpu_ll.h interfaces %!s(int64=3) %!d(string=hai) anos
xt_wdt.c bff6826ee1 bugfix (esp_system): made xt_wdt spinlock static %!s(int64=3) %!d(string=hai) anos

README.md

System Notes

Timekeeping

The following are the timekeeping mechanisms available and their differences:

  1. System time (esp_system_get_time)

Time with the origin at g_startup_time. The implementation is not handled by esp_system, but it does provide a default implementation using RTC timer. Currently, esp_timer provides system time, since the hardware timers are under the control of that component. However, no matter the underlying timer, the system time provider should maintain the definition of having the origin point at g_startup_time.

  1. esp_timer time (esp_timer_get_time)

This is the time read from an underlying hardware timer, controlled through config. Origin is at the point where the underlying timer starts counting.

  1. newlib time (gettimeofday)

Timekeeping function in standard library. Can be set (settimeofday) or moved forward/backward (adjtime); with the possibility of the changes being made persistent through config. Currently implemented in terms of system time, as the point of origin is fixed. If persistence is enabled, RTC time is also used in conjuction with system time.

  1. RTC time (esp_rtc_get_time_us)

Time read from RTC timer.