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Documentation/risc-v/esp32[-c3|-c6|-h2]: Add PM docs
Add PM doc support for esp32[-c3|-c6|-h2] Signed-off-by: Eren Terzioglu <eren.terzioglu@espressif.com>
This commit is contained in:
Eren Terzioglu
committed by
Xiang Xiao
Xiang Xiao
parent
3281721742
commit
d2c6eced38
@@ -375,6 +375,57 @@ ostest
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This is the NuttX test at ``apps/testing/ostest`` that is run against all new
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architecture ports to assure a correct implementation of the OS.
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pm
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-------
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This config demonstrate the use of power management.
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You can use the ``pmconfig`` command to check current power state and time spent in other power states.
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Also you can define time will spend in standby mode::
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$ make menuconfig
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-> Board Selection
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-> (15) PM_STANDBY delay (seconds)
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(0) PM_STANDBY delay (nanoseconds)
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Timer wakeup is not only way to wake up the chip. Other wakeup modes include:
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- GPIO wakeup mode: Uses GPIO pins to wakeup the chip. Only wakes up the chip from ``PM_STANDBY`` mode and requires ``CONFIG_PM_GPIO_WAKEUP``.
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- UART wakeup mode: Uses UART to wakeup the chip. Only wakes up the chip from ``PM_STANDBY`` mode and requires ``CONFIG_PM_GPIO_WAKEUP``.
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Before switching PM status, you need to query the current PM status to call correct number of relax command to correct modes::
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nsh> pmconfig
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Last state 0, Next state 0
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/proc/pm/state0:
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DOMAIN0 WAKE SLEEP TOTAL
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normal 0s 00% 0s 00% 0s 00%
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idle 0s 00% 0s 00% 0s 00%
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standby 0s 00% 0s 00% 0s 00%
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sleep 0s 00% 0s 00% 0s 00%
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/proc/pm/wakelock0:
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DOMAIN0 STATE COUNT TIME
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system normal 2 1s
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system idle 1 1s
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system standby 1 1s
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system sleep 1 1s
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In this case, needed commands to switch the system into PM idle mode::
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nsh> pmconfig relax normal
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nsh> pmconfig relax normal
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In this case, needed commands to switch the system into PM standby mode::
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nsh> pmconfig relax idle
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nsh> pmconfig relax normal
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nsh> pmconfig relax normal
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Note: When normal mode COUNT is 0, it will switch to the next PM state where COUNT is not 0.
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Note: During light sleep, overall current consumption of board should drop from 18mA (without any system load) to 1 mA on ESP32-C3 DevkitM-1.
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pwm
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---
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@@ -389,6 +389,59 @@ ostest
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This is the NuttX test at ``apps/testing/ostest`` that is run against all new
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architecture ports to assure a correct implementation of the OS.
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pm
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-------
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This config demonstrate the use of power management.
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You can use the ``pmconfig`` command to check current power state and time spent in other power states.
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Also you can define time will spend in standby mode::
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$ make menuconfig
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-> Board Selection
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-> (15) PM_STANDBY delay (seconds)
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(0) PM_STANDBY delay (nanoseconds)
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Timer wakeup is not only way to wake up the chip. Other wakeup modes include:
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- EXT1 wakeup mode: Uses RTC GPIO pins to wake up the chip. Enabled with ``CONFIG_PM_EXT1_WAKEUP`` option.
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- ULP coprocessor wakeup mode: Uses ULP co-processor to wake up the chip. Enabled with ``CONFIG_PM_ULP_WAKEUP`` option.
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- GPIO wakeup mode: Uses GPIO pins to wakeup the chip. Only wakes up the chip from ``PM_STANDBY`` mode and requires ``CONFIG_PM_GPIO_WAKEUP``.
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- UART wakeup mode: Uses UART to wakeup the chip. Only wakes up the chip from ``PM_STANDBY`` mode and requires ``CONFIG_PM_GPIO_WAKEUP``.
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Before switching PM status, you need to query the current PM status to call correct number of relax command to correct modes::
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nsh> pmconfig
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Last state 0, Next state 0
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/proc/pm/state0:
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DOMAIN0 WAKE SLEEP TOTAL
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normal 0s 00% 0s 00% 0s 00%
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idle 0s 00% 0s 00% 0s 00%
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standby 0s 00% 0s 00% 0s 00%
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sleep 0s 00% 0s 00% 0s 00%
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/proc/pm/wakelock0:
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DOMAIN0 STATE COUNT TIME
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system normal 2 1s
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system idle 1 1s
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system standby 1 1s
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system sleep 1 1s
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In this case, needed commands to switch the system into PM idle mode::
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nsh> pmconfig relax normal
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nsh> pmconfig relax normal
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In this case, needed commands to switch the system into PM standby mode::
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nsh> pmconfig relax idle
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nsh> pmconfig relax normal
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nsh> pmconfig relax normal
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Note: When normal mode COUNT is 0, it will switch to the next PM state where COUNT is not 0.
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Note: During light sleep, overall current consumption of board should drop from 22mA (without any system load) to 1.3 mA on ESP32-C6 DevkitC-1.
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pwm
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---
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@@ -321,6 +321,59 @@ ostest
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This is the NuttX test at ``apps/testing/ostest`` that is run against all new
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architecture ports to assure a correct implementation of the OS.
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pm
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-------
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This config demonstrate the use of power management.
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You can use the ``pmconfig`` command to check current power state and time spent in other power states.
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Also you can define time will spend in standby mode::
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$ make menuconfig
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-> Board Selection
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-> (15) PM_STANDBY delay (seconds)
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(0) PM_STANDBY delay (nanoseconds)
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Timer wakeup is not only way to wake up the chip. Other wakeup modes include:
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- EXT1 wakeup mode: Uses RTC GPIO pins to wake up the chip. Enabled with ``CONFIG_PM_EXT1_WAKEUP`` option.
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- ULP coprocessor wakeup mode: Uses ULP co-processor to wake up the chip. Enabled with ``CONFIG_PM_ULP_WAKEUP`` option.
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- GPIO wakeup mode: Uses GPIO pins to wakeup the chip. Only wakes up the chip from ``PM_STANDBY`` mode and requires ``CONFIG_PM_GPIO_WAKEUP``.
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- UART wakeup mode: Uses UART to wakeup the chip. Only wakes up the chip from ``PM_STANDBY`` mode and requires ``CONFIG_PM_GPIO_WAKEUP``.
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Before switching PM status, you need to query the current PM status to call correct number of relax command to correct modes::
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nsh> pmconfig
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Last state 0, Next state 0
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/proc/pm/state0:
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DOMAIN0 WAKE SLEEP TOTAL
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normal 0s 00% 0s 00% 0s 00%
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idle 0s 00% 0s 00% 0s 00%
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standby 0s 00% 0s 00% 0s 00%
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sleep 0s 00% 0s 00% 0s 00%
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/proc/pm/wakelock0:
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DOMAIN0 STATE COUNT TIME
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system normal 2 1s
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system idle 1 1s
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system standby 1 1s
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system sleep 1 1s
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In this case, needed commands to switch the system into PM idle mode::
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nsh> pmconfig relax normal
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nsh> pmconfig relax normal
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In this case, needed commands to switch the system into PM standby mode::
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nsh> pmconfig relax idle
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nsh> pmconfig relax normal
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nsh> pmconfig relax normal
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Note: When normal mode COUNT is 0, it will switch to the next PM state where COUNT is not 0.
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Note: During light sleep, overall current consumption of board should drop from 14mA (without any system load) to 880 μA on ESP32-H2 DevkitM-1.
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pwm
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---
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