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ble:support esp32h2 power save example

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This commit is contained in:
cjin 2023-06-25 14:47:32 +08:00
parent 1eb43094c5
commit ebb5fb9e88
5 changed files with 98 additions and 12 deletions
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2
examples/bluetooth/.build-test-rules.yml
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@ -264,6 +264,6 @@ examples/bluetooth/nimble/hci:
examples/bluetooth/nimble/power_save:
enable:
- if: IDF_TARGET in ["esp32", "esp32c3", "esp32s3"]
- if: IDF_TARGET in ["esp32", "esp32c3", "esp32s3", "esp32h2"]
temporary: true
reason: the other targets are not tested yet

38
examples/bluetooth/nimble/power_save/README.md
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@ -1,5 +1,5 @@
| Supported Targets | ESP32 | ESP32-C3 | ESP32-S3 |
| ----------------- | ----- | -------- | -------- |
| Supported Targets | ESP32 | ESP32-C3 | ESP32-H2 | ESP32-S3 |
| ----------------- | ----- | -------- | -------- | -------- |
Bluetooth Power Save Example
=================================
@ -15,11 +15,13 @@ This example contains five build configurations. For each configuration, a few c
- `sdkconfig.esp32c3_40m`: ESP32C3 uses main XTAL as low power clock in light sleep enabled.
- `sdkconfig.defaults.esp32s3`: ESP32S3 uses 32kHz XTAL as low power clock in light sleep enabled.
- `sdkconfig.40m.esp32s3`: ESP32S3 uses main XTAL as low power clock in light sleep enabled.
- `sdkconfig.defaults.esp32h2`: ESP32H2 uses 32kHz XTAL as low power clock in light sleep enabled.
- `sdkconfig.40m.esp32h2`: ESP32H2 uses main XTAL as low power clock in light sleep enabled.
## How to use example
### Hardware Required
This example should be able to run on any commonly available ESP32/ESP32-C3/ESP32-S3 development board.
This example should be able to run on any commonly available ESP32/ESP32-C3/ESP32-S3/ESP32-H2 development board.
### Configure the project
@ -36,6 +38,8 @@ idf.py menuconfig
- `(1000) configTICK_RATE_HZ`
- `[*] configUSE_TICKLESS_IDLE`
- `(3) configEXPECTED_IDLE_TIME_BEFORE_SLEEP`
#### For Chip ESP32/ESP32-C3/ESP32-S3:
4. Enable power down MAC and baseband:
- `Component config > PHY > [*] Power down MAC and baseband of Wi-Fi and Bluetooth when PHY is disabled`
5. Enable bluetooth modem sleep:
@ -47,6 +51,21 @@ idf.py menuconfig
7. Enable power up main XTAL during light sleep:
- `Component config > Bluetooth > Controller Options > MODEM SLEEP Options > [*] power up main XTAL during light sleep`
#### For Chip ESP32-H2
4. Enable bluetooth modem sleep:
- `Component config > Bluetooth > Controller Options`
- `[*] Enable BLE sleep`
5. Configure bluetooth low power clock:
- `Component config → Bluetooth → Controller Options → BLE low power clock source`
- Use main XTAL as low power clock source during light sleep:
- `(X) Use main XTAL as RTC clock source`
- Use RTC clock source as low power clock sourceduring light sleep:
- `(X) Use system RTC slow clock source`
6. Power down flash during light sleep:
* `Component config → Hardware Settings → Sleep Config`
* `[*] Power down flash in light sleep when there is no SPIRAM`
### Build and Flash
```
@ -101,12 +120,13 @@ I (463) NimBLE:
## Typical current consumption with management enabled
| | max current | modem sleep | light sleep (main XTAL)| light sleep (32KHz XTAL)|
|-------- | ----------- | ------------ | ---------------------- |------------------------ |
| ESP32 | 231 mA | 14.1 mA | X | 1.9 mA |
| ESP32C3 | 262 mA | 12 mA | 2.3 mA | 140 uA |
| ESP32S3 | 240 mA | 17.9 mA | 3.3 mA | 230 uA |
X: This feature is currently not supported.
| | max current | modem sleep | light sleep (main XTAL) | light sleep (32KHz XTAL) |
| ------------------------------------------- | ----------- | ----------- | ----------------------- | ------------------------ |
| ESP32 | 231 mA | 14.1 mA | X | 1.9 mA |
| ESP32C3 | 262 mA | 12 mA | 2.3 mA | 140 uA |
| ESP32S3 | 240 mA | 17.9 mA | 3.3 mA | 230 uA |
| ESP32H2 | 82 mA | 16.0 mA | 4.0 mA | 24 uA |
X: This feature is currently not supported.
## Example Breakdown

15
examples/bluetooth/nimble/power_save/main/Kconfig.projbuild
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@ -2,13 +2,17 @@ menu "Example Configuration"
choice EXAMPLE_MAX_CPU_FREQ
prompt "Maximum CPU frequency"
default EXAMPLE_MAX_CPU_FREQ_160
default EXAMPLE_MAX_CPU_FREQ_160 if !IDF_TARGET_ESP32H2
default EXAMPLE_MAX_CPU_FREQ_96 if IDF_TARGET_ESP32H2
depends on PM_ENABLE
help
Maximum CPU frequency to use for dynamic frequency scaling.
config EXAMPLE_MAX_CPU_FREQ_80
bool "80 MHz"
config EXAMPLE_MAX_CPU_FREQ_96
bool "96 MHz"
depends on IDF_TARGET_ESP32H2
config EXAMPLE_MAX_CPU_FREQ_160
bool "160 MHz"
config EXAMPLE_MAX_CPU_FREQ_240
@ -19,12 +23,14 @@ menu "Example Configuration"
config EXAMPLE_MAX_CPU_FREQ_MHZ
int
default 80 if EXAMPLE_MAX_CPU_FREQ_80
default 96 if EXAMPLE_MAX_CPU_FREQ_96
default 160 if EXAMPLE_MAX_CPU_FREQ_160
default 240 if EXAMPLE_MAX_CPU_FREQ_240
choice EXAMPLE_MIN_CPU_FREQ
prompt "Minimum CPU frequency"
default EXAMPLE_MIN_CPU_FREQ_40M
default EXAMPLE_MIN_CPU_FREQ_40M if !IDF_TARGET_ESP32H2
default EXAMPLE_MIN_CPU_FREQ_32M if IDF_TARGET_ESP32H2
depends on PM_ENABLE
help
Minimum CPU frequency to use for dynamic frequency scaling.
@ -42,6 +48,10 @@ menu "Example Configuration"
config EXAMPLE_MIN_CPU_FREQ_40M
bool "40 MHz (use with 40MHz XTAL)"
depends on XTAL_FREQ_40 || XTAL_FREQ_AUTO
config EXAMPLE_MIN_CPU_FREQ_32M
bool "32 MHz (use with 32MHz XTAL)"
depends on IDF_TARGET_ESP32H2
depends on XTAL_FREQ_32 || XTAL_FREQ_AUTO
config EXAMPLE_MIN_CPU_FREQ_20M
bool "20 MHz (use with 40MHz XTAL)"
depends on XTAL_FREQ_40 || XTAL_FREQ_AUTO
@ -54,6 +64,7 @@ menu "Example Configuration"
int
default 80 if EXAMPLE_MIN_CPU_FREQ_80M
default 40 if EXAMPLE_MIN_CPU_FREQ_40M
default 32 if EXAMPLE_MIN_CPU_FREQ_32M
default 20 if EXAMPLE_MIN_CPU_FREQ_20M
default 10 if EXAMPLE_MIN_CPU_FREQ_10M

23
examples/bluetooth/nimble/power_save/sdkconfig.32m.esp32h2 Normal file
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@ -0,0 +1,23 @@
CONFIG_IDF_TARGET="esp32h2"
# Bluetooth Low Power Config
CONFIG_BT_LE_SLEEP_ENABLE=y
# CONFIG_BT_LE_WAKEUP_SOURCE_CPU_RTC_TIMER is not set
CONFIG_BT_LE_WAKEUP_SOURCE_BLE_RTC_TIMER=y
CONFIG_BT_LE_LP_CLK_SRC_MAIN_XTAL=y
# CONFIG_BT_LE_LP_CLK_SRC_DEFAULT is not set
#
# Power Management
#
CONFIG_PM_ENABLE=y
CONFIG_PM_DFS_INIT_AUTO=y
CONFIG_PM_POWER_DOWN_CPU_IN_LIGHT_SLEEP=y
# CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP is not set
# end of Power Management
#
# Sleep Config
#
CONFIG_ESP_SLEEP_POWER_DOWN_FLASH=y
# end of Sleep Config

32
examples/bluetooth/nimble/power_save/sdkconfig.defaults.esp32h2 Normal file
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@ -0,0 +1,32 @@
CONFIG_IDF_TARGET="esp32h2"
# Bluetooth Low Power Config
CONFIG_BT_LE_SLEEP_ENABLE=y
# CONFIG_BT_LE_WAKEUP_SOURCE_CPU_RTC_TIMER is not set
CONFIG_BT_LE_WAKEUP_SOURCE_BLE_RTC_TIMER=y
# CONFIG_BT_LE_LP_CLK_SRC_MAIN_XTAL is not set
CONFIG_BT_LE_LP_CLK_SRC_DEFAULT=y
#
# Power Management
#
CONFIG_PM_ENABLE=y
CONFIG_PM_DFS_INIT_AUTO=y
CONFIG_PM_POWER_DOWN_CPU_IN_LIGHT_SLEEP=y
CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP=y
# end of Power Management
#
# Sleep Config
#
CONFIG_ESP_SLEEP_POWER_DOWN_FLASH=y
# end of Sleep Config
#
# RTC Clock Config
#
# CONFIG_RTC_CLK_SRC_INT_RC is not set
CONFIG_RTC_CLK_SRC_EXT_CRYS=y
# CONFIG_RTC_CLK_SRC_EXT_OSC is not set
# CONFIG_RTC_CLK_SRC_INT_RC32K is not set
# end of RTC Clock Config