diff --git a/examples/bluetooth/.build-test-rules.yml b/examples/bluetooth/.build-test-rules.yml index a934695505..b9ee4765de 100644 --- a/examples/bluetooth/.build-test-rules.yml +++ b/examples/bluetooth/.build-test-rules.yml @@ -261,3 +261,9 @@ examples/bluetooth/nimble/hci: - if: IDF_TARGET in ["esp32c2", "esp32c3", "esp32s3", "esp32c6"] temporary: true reason: The runner doesn't support yet + +examples/bluetooth/nimble/power_save: + enable: + - if: IDF_TARGET in ["esp32", "esp32c3", "esp32s3"] + temporary: true + reason: the other targets are not tested yet diff --git a/examples/bluetooth/nimble/power_save/CMakeLists.txt b/examples/bluetooth/nimble/power_save/CMakeLists.txt new file mode 100644 index 0000000000..41d9ebf129 --- /dev/null +++ b/examples/bluetooth/nimble/power_save/CMakeLists.txt @@ -0,0 +1,8 @@ +# The following lines of boilerplate have to be in your project's +# CMakeLists in this exact order for cmake to work correctly +cmake_minimum_required(VERSION 3.16) + +set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/bluetooth/nimble/common/nimble_peripheral_utils) + +include($ENV{IDF_PATH}/tools/cmake/project.cmake) +project(power_save) diff --git a/examples/bluetooth/nimble/power_save/README.md b/examples/bluetooth/nimble/power_save/README.md new file mode 100644 index 0000000000..83c69083c7 --- /dev/null +++ b/examples/bluetooth/nimble/power_save/README.md @@ -0,0 +1,113 @@ +| Supported Targets | ESP32 | ESP32-C3 | ESP32-S3 | +| ----------------- | ----- | -------- | -------- | + +Bluetooth Power Save Example +================================= + +This example is based on the [bleprph](../bleprph) example to show how to use the bluetooth power save mode. + +If the modem sleep mode is enabled, bluetooth will switch periodically between active and sleep. +In sleep state, RF, PHY and BB are turned off in order to reduce power consumption. + +This example contains five build configurations. For each configuration, a few configuration options are set: +- `sdkconfig.defaults.esp32`: ESP32 uses 32kHz XTAL as low power clock in light sleep enabled. +- `sdkconfig.40m.esp32c3`: ESP32C3 uses 32kHz XTAL as low power clock in light sleep enabled. +- `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. +## How to use example + +### Hardware Required + +This example should be able to run on any commonly available ESP32/ESP32-C3/ESP32-S3 development board. + +### Configure the project + +``` +idf.py menuconfig +``` + +1. Configure RTC clock source: + - `Component config > Hardware Settings > RTC Clock Config > RTC clock source` +2. Enable power management: + - `Component config > Power Management > [*] Support for power management` +3. Configure FreeRTOS: + - `Component config > FreeRTOS > Kernel` + - `(1000) configTICK_RATE_HZ` + - `[*] configUSE_TICKLESS_IDLE` + - `(3) configEXPECTED_IDLE_TIME_BEFORE_SLEEP` +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: + - `Component config > Bluetooth > Controller Options > MODEM SLEEP Options` + - `[*] Bluetooth modem sleep` + - `[*] Bluetooth Modem sleep Mode 1` +6. Configure bluetooth low power clock: + - `Component config > Bluetooth > Controller Options > MODEM SLEEP Options > Bluetooth modem sleep > Bluetooth Modem sleep Mode 1 > Bluetooth low power clock` +7. Enable power up main XTAL during light sleep: + - `Component config > Bluetooth > Controller Options > MODEM SLEEP Options > [*] power up main XTAL during light sleep` + +### Build and Flash + +``` +idf.py -D SDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.40m.esp32c3" set-target ESP32C3 build +``` + +* `-D SDKCONFIG_DEFAULTS` select configuration file to be used for creating app sdkconfig. +* `set-target ` Set the chip target to build. + + +To flash the project and see the output, run: + + +``` +idf.py -p PORT flash monitor +``` + +(Replace PORT with the name of the serial port to use.) + +(To exit the serial monitor, type ``Ctrl-]``.) + +See the Getting Started Guide for full steps to configure and use ESP-IDF to build projects. + +## Example Output + +When you run this example, the prints the following at the very begining: + +``` +I (333) cpu_start: Starting scheduler. +I (347) pm: Frequency switching config: CPU_MAX: 160, APB_MAX: 80, APB_MIN: 40, Light sleep: ENABLED +I (351) sleep: Enable automatic switching of GPIO sleep configuration +I (358) BTDM_INIT: BT controller compile version [f2e5d81] +I (365) BTDM_INIT: Bluetooth will use main XTAL as Bluetooth sleep clock. +I (372) phy_init: phy_version 912,d001756,Jun 2 2022,16:28:07 +I (411) system_api: Base MAC address is not set +I (412) system_api: read default base MAC address from EFUSE +I (412) BTDM_INIT: Bluetooth MAC: 7c:df:a1:61:b6:f6 + +I (419) NimBLE_BLE_PRPH: BLE Host Task Started +I (424) uart: queue free spaces: 8 +I (432) NimBLE: GAP procedure initiated: stop advertising. + +I (435) NimBLE: Device Address: +I (437) NimBLE: 7c:df:a1:61:b6:f6 +I (441) NimBLE: + +I (446) NimBLE: GAP procedure initiated: advertise; +I (450) NimBLE: disc_mode=2 +I (453) NimBLE: adv_channel_map=0 own_addr_type=0 adv_filter_policy=0 adv_itvl_min=0 adv_itvl_max=0 +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. + +## Example Breakdown + +- ESP32 does not support the use of main XTAL in light sleep mode, so an external 32kHz crystal is required. \ No newline at end of file diff --git a/examples/bluetooth/nimble/power_save/main/CMakeLists.txt b/examples/bluetooth/nimble/power_save/main/CMakeLists.txt new file mode 100644 index 0000000000..9e539a9fc0 --- /dev/null +++ b/examples/bluetooth/nimble/power_save/main/CMakeLists.txt @@ -0,0 +1,5 @@ +set(srcs "main.c" + "gatt_svr.c") + +idf_component_register(SRCS "${srcs}" + INCLUDE_DIRS ".") diff --git a/examples/bluetooth/nimble/power_save/main/Kconfig.projbuild b/examples/bluetooth/nimble/power_save/main/Kconfig.projbuild new file mode 100644 index 0000000000..0819133cc1 --- /dev/null +++ b/examples/bluetooth/nimble/power_save/main/Kconfig.projbuild @@ -0,0 +1,135 @@ +menu "Example Configuration" + + choice EXAMPLE_MAX_CPU_FREQ + prompt "Maximum CPU frequency" + default EXAMPLE_MAX_CPU_FREQ_160 + 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_160 + bool "160 MHz" + config EXAMPLE_MAX_CPU_FREQ_240 + bool "240 MHz" + depends on IDF_TARGET_ESP32 || IDF_TARGET_ESP32S3 + endchoice + + config EXAMPLE_MAX_CPU_FREQ_MHZ + int + default 80 if EXAMPLE_MAX_CPU_FREQ_80 + 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 + depends on PM_ENABLE + help + Minimum CPU frequency to use for dynamic frequency scaling. + Should be set to XTAL frequency or XTAL frequency divided by integer. + + config EXAMPLE_MIN_CPU_FREQ_80M + bool "80 MHz" + depends on !(IDF_TARGET_ESP32 && EXAMPLE_MAX_CPU_FREQ_240) + help + ESP32 does not support switching between 240M and 80M.The root cause + is that when switching between 240M and 80M, we need to disable + BBPLL and then re-enable it with a different frequency.Since the + Bluetooth baseband works from PLL frequency, it will temporarily + lose its 80 MHz clock, while the BBPLL is disabled. + 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_20M + bool "20 MHz (use with 40MHz XTAL)" + depends on XTAL_FREQ_40 || XTAL_FREQ_AUTO + config EXAMPLE_MIN_CPU_FREQ_10M + bool "10 MHz (use with 40MHz XTAL)" + depends on XTAL_FREQ_40 || XTAL_FREQ_AUTO + endchoice + + config EXAMPLE_MIN_CPU_FREQ_MHZ + int + default 80 if EXAMPLE_MIN_CPU_FREQ_80M + default 40 if EXAMPLE_MIN_CPU_FREQ_40M + default 20 if EXAMPLE_MIN_CPU_FREQ_20M + default 10 if EXAMPLE_MIN_CPU_FREQ_10M + + choice EXAMPLE_USE_IO_TYPE + prompt "I/O Capability" + default BLE_SM_IO_CAP_NO_IO + help + I/O capability of device. + + config BLE_SM_IO_CAP_DISP_ONLY + bool "DISPLAY ONLY" + config BLE_SM_IO_CAP_DISP_YES_NO + bool "DISPLAY YESNO" + config BLE_SM_IO_CAP_KEYBOARD_ONLY + bool "KEYBOARD ONLY" + config BLE_SM_IO_CAP_NO_IO + bool "Just works" + config BLE_SM_IO_CAP_KEYBOARD_DISP + bool "Both KEYBOARD & DISPLAY" + endchoice + + config EXAMPLE_IO_TYPE + int + default 0 if BLE_SM_IO_CAP_DISP_ONLY + default 1 if BLE_SM_IO_CAP_DISP_YES_NO + default 2 if BLE_SM_IO_CAP_KEYBOARD_ONLY + default 3 if BLE_SM_IO_CAP_NO_IO + default 4 if BLE_SM_IO_CAP_KEYBOARD_DISP + + config EXAMPLE_BONDING + bool + default n + prompt "Use Bonding" + help + Use this option to enable/disable bonding. + + config EXAMPLE_MITM + bool + default n + prompt "MITM security" + help + Use this option to enable/disable MITM security. + + config EXAMPLE_USE_SC + bool + depends on BT_NIMBLE_SM_SC + default n + prompt "Use Secure Connection feature" + help + Use this option to enable/disable Security Manager Secure Connection 4.2 feature. + + config EXAMPLE_EXTENDED_ADV + bool + depends on SOC_BLE_50_SUPPORTED + default y if SOC_ESP_NIMBLE_CONTROLLER + select BT_NIMBLE_EXT_ADV + prompt "Enable Extended Adv" + help + Use this option to enable extended advertising in the example + + config EXAMPLE_RANDOM_ADDR + bool + prompt "Advertise RANDOM Address" + help + Use this option to advertise a random address instead of public address + + config EXAMPLE_ENCRYPTION + bool + prompt "Enable Link Encryption" + help + This adds Encrypted Read and Write permissions in the custom GATT server. + + config EXAMPLE_RESOLVE_PEER_ADDR + bool + prompt "Enable resolving peer address" + help + Use this option to enable resolving peer's address. + +endmenu diff --git a/examples/bluetooth/nimble/power_save/main/bleprph.h b/examples/bluetooth/nimble/power_save/main/bleprph.h new file mode 100644 index 0000000000..16b693949b --- /dev/null +++ b/examples/bluetooth/nimble/power_save/main/bleprph.h @@ -0,0 +1,36 @@ +/* + * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Apache-2.0 + */ + +#ifndef H_BLEPRPH_ +#define H_BLEPRPH_ + +#include +#include "nimble/ble.h" +#include "modlog/modlog.h" +#include "esp_peripheral.h" +#ifdef __cplusplus +extern "C" { +#endif + +struct ble_hs_cfg; +struct ble_gatt_register_ctxt; + +/** GATT server. */ +#define GATT_SVR_SVC_ALERT_UUID 0x1811 +#define GATT_SVR_CHR_SUP_NEW_ALERT_CAT_UUID 0x2A47 +#define GATT_SVR_CHR_NEW_ALERT 0x2A46 +#define GATT_SVR_CHR_SUP_UNR_ALERT_CAT_UUID 0x2A48 +#define GATT_SVR_CHR_UNR_ALERT_STAT_UUID 0x2A45 +#define GATT_SVR_CHR_ALERT_NOT_CTRL_PT 0x2A44 + +void gatt_svr_register_cb(struct ble_gatt_register_ctxt *ctxt, void *arg); +int gatt_svr_init(void); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/examples/bluetooth/nimble/power_save/main/gatt_svr.c b/examples/bluetooth/nimble/power_save/main/gatt_svr.c new file mode 100644 index 0000000000..f59de24e10 --- /dev/null +++ b/examples/bluetooth/nimble/power_save/main/gatt_svr.c @@ -0,0 +1,248 @@ +/* + * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Apache-2.0 + */ + +#include +#include +#include +#include "host/ble_hs.h" +#include "host/ble_uuid.h" +#include "services/gap/ble_svc_gap.h" +#include "services/gatt/ble_svc_gatt.h" +#include "bleprph.h" +#include "services/ans/ble_svc_ans.h" + +/*** Maximum number of characteristics with the notify flag ***/ +#define MAX_NOTIFY 5 + +static const ble_uuid128_t gatt_svr_svc_uuid = + BLE_UUID128_INIT(0x2d, 0x71, 0xa2, 0x59, 0xb4, 0x58, 0xc8, 0x12, + 0x99, 0x99, 0x43, 0x95, 0x12, 0x2f, 0x46, 0x59); + +/* A characteristic that can be subscribed to */ +static uint8_t gatt_svr_chr_val; +static uint16_t gatt_svr_chr_val_handle; +static const ble_uuid128_t gatt_svr_chr_uuid = + BLE_UUID128_INIT(0x00, 0x00, 0x00, 0x00, 0x11, 0x11, 0x11, 0x11, + 0x22, 0x22, 0x22, 0x22, 0x33, 0x33, 0x33, 0x33); + +/* A custom descriptor */ +static uint8_t gatt_svr_dsc_val; +static const ble_uuid128_t gatt_svr_dsc_uuid = + BLE_UUID128_INIT(0x01, 0x01, 0x01, 0x01, 0x12, 0x12, 0x12, 0x12, + 0x23, 0x23, 0x23, 0x23, 0x34, 0x34, 0x34, 0x34); + +static int +gatt_svc_access(uint16_t conn_handle, uint16_t attr_handle, + struct ble_gatt_access_ctxt *ctxt, + void *arg); + +static const struct ble_gatt_svc_def gatt_svr_svcs[] = { + { + /*** Service ***/ + .type = BLE_GATT_SVC_TYPE_PRIMARY, + .uuid = &gatt_svr_svc_uuid.u, + .characteristics = (struct ble_gatt_chr_def[]) + { { + /*** This characteristic can be subscribed to by writing 0x00 and 0x01 to the CCCD ***/ + .uuid = &gatt_svr_chr_uuid.u, + .access_cb = gatt_svc_access, +#if CONFIG_EXAMPLE_ENCRYPTION + .flags = BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_WRITE | + BLE_GATT_CHR_F_READ_ENC | BLE_GATT_CHR_F_WRITE_ENC | + BLE_GATT_CHR_F_NOTIFY | BLE_GATT_CHR_F_INDICATE, +#else + .flags = BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_NOTIFY | BLE_GATT_CHR_F_INDICATE, +#endif + .val_handle = &gatt_svr_chr_val_handle, + .descriptors = (struct ble_gatt_dsc_def[]) + { { + .uuid = &gatt_svr_dsc_uuid.u, +#if CONFIG_EXAMPLE_ENCRYPTION + .att_flags = BLE_ATT_F_READ | BLE_ATT_F_READ_ENC, +#else + .att_flags = BLE_ATT_F_READ, +#endif + .access_cb = gatt_svc_access, + }, { + 0, /* No more descriptors in this characteristic */ + } + }, + }, { + 0, /* No more characteristics in this service. */ + } + }, + }, + + { + 0, /* No more services. */ + }, +}; + +static int +gatt_svr_write(struct os_mbuf *om, uint16_t min_len, uint16_t max_len, + void *dst, uint16_t *len) +{ + uint16_t om_len; + int rc; + + om_len = OS_MBUF_PKTLEN(om); + if (om_len < min_len || om_len > max_len) { + return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; + } + + rc = ble_hs_mbuf_to_flat(om, dst, max_len, len); + if (rc != 0) { + return BLE_ATT_ERR_UNLIKELY; + } + + return 0; +} + +/** + * Access callback whenever a characteristic/descriptor is read or written to. + * Here reads and writes need to be handled. + * ctxt->op tells weather the operation is read or write and + * weather it is on a characteristic or descriptor, + * ctxt->dsc->uuid tells which characteristic/descriptor is accessed. + * attr_handle give the value handle of the attribute being accessed. + * Accordingly do: + * Append the value to ctxt->om if the operation is READ + * Write ctxt->om to the value if the operation is WRITE + **/ +static int +gatt_svc_access(uint16_t conn_handle, uint16_t attr_handle, + struct ble_gatt_access_ctxt *ctxt, void *arg) +{ + const ble_uuid_t *uuid; + int rc; + + switch (ctxt->op) { + case BLE_GATT_ACCESS_OP_READ_CHR: + if (conn_handle != BLE_HS_CONN_HANDLE_NONE) { + MODLOG_DFLT(INFO, "Characteristic read; conn_handle=%d attr_handle=%d\n", + conn_handle, attr_handle); + } else { + MODLOG_DFLT(INFO, "Characteristic read by NimBLE stack; attr_handle=%d\n", + attr_handle); + } + uuid = ctxt->chr->uuid; + if (attr_handle == gatt_svr_chr_val_handle) { + rc = os_mbuf_append(ctxt->om, + &gatt_svr_chr_val, + sizeof(gatt_svr_chr_val)); + return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES; + } + goto unknown; + + case BLE_GATT_ACCESS_OP_WRITE_CHR: + if (conn_handle != BLE_HS_CONN_HANDLE_NONE) { + MODLOG_DFLT(INFO, "Characteristic write; conn_handle=%d attr_handle=%d", + conn_handle, attr_handle); + } else { + MODLOG_DFLT(INFO, "Characteristic write by NimBLE stack; attr_handle=%d", + attr_handle); + } + uuid = ctxt->chr->uuid; + if (attr_handle == gatt_svr_chr_val_handle) { + rc = gatt_svr_write(ctxt->om, + sizeof(gatt_svr_chr_val), + sizeof(gatt_svr_chr_val), + &gatt_svr_chr_val, NULL); + ble_gatts_chr_updated(attr_handle); + MODLOG_DFLT(INFO, "Notification/Indication scheduled for " + "all subscribed peers.\n"); + return rc; + } + goto unknown; + + case BLE_GATT_ACCESS_OP_READ_DSC: + if (conn_handle != BLE_HS_CONN_HANDLE_NONE) { + MODLOG_DFLT(INFO, "Descriptor read; conn_handle=%d attr_handle=%d\n", + conn_handle, attr_handle); + } else { + MODLOG_DFLT(INFO, "Descriptor read by NimBLE stack; attr_handle=%d\n", + attr_handle); + } + uuid = ctxt->dsc->uuid; + if (ble_uuid_cmp(uuid, &gatt_svr_dsc_uuid.u) == 0) { + rc = os_mbuf_append(ctxt->om, + &gatt_svr_dsc_val, + sizeof(gatt_svr_chr_val)); + return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES; + } + goto unknown; + + case BLE_GATT_ACCESS_OP_WRITE_DSC: + goto unknown; + + default: + goto unknown; + } + +unknown: + /* Unknown characteristic/descriptor; + * The NimBLE host should not have called this function; + */ + assert(0); + return BLE_ATT_ERR_UNLIKELY; +} + +void +gatt_svr_register_cb(struct ble_gatt_register_ctxt *ctxt, void *arg) +{ + char buf[BLE_UUID_STR_LEN]; + + switch (ctxt->op) { + case BLE_GATT_REGISTER_OP_SVC: + MODLOG_DFLT(DEBUG, "registered service %s with handle=%d\n", + ble_uuid_to_str(ctxt->svc.svc_def->uuid, buf), + ctxt->svc.handle); + break; + + case BLE_GATT_REGISTER_OP_CHR: + MODLOG_DFLT(DEBUG, "registering characteristic %s with " + "def_handle=%d val_handle=%d\n", + ble_uuid_to_str(ctxt->chr.chr_def->uuid, buf), + ctxt->chr.def_handle, + ctxt->chr.val_handle); + break; + + case BLE_GATT_REGISTER_OP_DSC: + MODLOG_DFLT(DEBUG, "registering descriptor %s with handle=%d\n", + ble_uuid_to_str(ctxt->dsc.dsc_def->uuid, buf), + ctxt->dsc.handle); + break; + + default: + assert(0); + break; + } +} + +int +gatt_svr_init(void) +{ + int rc; + + ble_svc_gap_init(); + ble_svc_gatt_init(); + ble_svc_ans_init(); + + rc = ble_gatts_count_cfg(gatt_svr_svcs); + if (rc != 0) { + return rc; + } + + rc = ble_gatts_add_svcs(gatt_svr_svcs); + if (rc != 0) { + return rc; + } + + /* Setting a value for the read-only descriptor */ + gatt_svr_dsc_val = 0x99; + + return 0; +} diff --git a/examples/bluetooth/nimble/power_save/main/main.c b/examples/bluetooth/nimble/power_save/main/main.c new file mode 100644 index 0000000000..428276d683 --- /dev/null +++ b/examples/bluetooth/nimble/power_save/main/main.c @@ -0,0 +1,582 @@ +/* + * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Apache-2.0 + */ + +#include "esp_log.h" +#include "nvs_flash.h" +/* power management */ +#include "esp_pm.h" +/* BLE */ +#include "nimble/nimble_port.h" +#include "nimble/nimble_port_freertos.h" +#include "host/ble_hs.h" +#include "host/util/util.h" +#include "console/console.h" +#include "services/gap/ble_svc_gap.h" +#include "bleprph.h" + +#if CONFIG_EXAMPLE_EXTENDED_ADV +static uint8_t ext_adv_pattern_1[] = { + 0x02, 0x01, 0x06, + 0x03, 0x03, 0xab, 0xcd, + 0x03, 0x03, 0x18, 0x11, + 0x11, 0X09, 'n', 'i', 'm', 'b', 'l', 'e', '-', 'b', 'l', 'e', 'p', 'r', 'p', 'h', '-', 'e', +}; +#endif + +static const char *tag = "NimBLE_BLE_PRPH"; +static int bleprph_gap_event(struct ble_gap_event *event, void *arg); +#if CONFIG_EXAMPLE_RANDOM_ADDR +static uint8_t own_addr_type = BLE_OWN_ADDR_RANDOM; +#else +static uint8_t own_addr_type; +#endif + +void ble_store_config_init(void); + +#if MYNEWT_VAL(BLE_POWER_CONTROL) +static struct ble_gap_event_listener power_control_event_listener; +#endif + +/** + * Logs information about a connection to the console. + */ +static void +bleprph_print_conn_desc(struct ble_gap_conn_desc *desc) +{ + MODLOG_DFLT(INFO, "handle=%d our_ota_addr_type=%d our_ota_addr=", + desc->conn_handle, desc->our_ota_addr.type); + print_addr(desc->our_ota_addr.val); + MODLOG_DFLT(INFO, " our_id_addr_type=%d our_id_addr=", + desc->our_id_addr.type); + print_addr(desc->our_id_addr.val); + MODLOG_DFLT(INFO, " peer_ota_addr_type=%d peer_ota_addr=", + desc->peer_ota_addr.type); + print_addr(desc->peer_ota_addr.val); + MODLOG_DFLT(INFO, " peer_id_addr_type=%d peer_id_addr=", + desc->peer_id_addr.type); + print_addr(desc->peer_id_addr.val); + MODLOG_DFLT(INFO, " conn_itvl=%d conn_latency=%d supervision_timeout=%d " + "encrypted=%d authenticated=%d bonded=%d\n", + desc->conn_itvl, desc->conn_latency, + desc->supervision_timeout, + desc->sec_state.encrypted, + desc->sec_state.authenticated, + desc->sec_state.bonded); +} + +#if CONFIG_EXAMPLE_EXTENDED_ADV +/** + * Enables advertising with the following parameters: + * o General discoverable mode. + * o Undirected connectable mode. + */ +static void +ext_bleprph_advertise(void) +{ + struct ble_gap_ext_adv_params params; + struct os_mbuf *data; + uint8_t instance = 0; + int rc; + + /* First check if any instance is already active */ + if(ble_gap_ext_adv_active(instance)) { + return; + } + + /* use defaults for non-set params */ + memset (¶ms, 0, sizeof(params)); + + /* enable connectable advertising */ + params.connectable = 1; + + /* advertise using random addr */ + params.own_addr_type = BLE_OWN_ADDR_PUBLIC; + + params.primary_phy = BLE_HCI_LE_PHY_1M; + params.secondary_phy = BLE_HCI_LE_PHY_2M; + //params.tx_power = 127; + params.sid = 1; + + params.itvl_min = BLE_GAP_ADV_FAST_INTERVAL1_MIN; + params.itvl_max = BLE_GAP_ADV_FAST_INTERVAL1_MIN; + + /* configure instance 0 */ + rc = ble_gap_ext_adv_configure(instance, ¶ms, NULL, + bleprph_gap_event, NULL); + assert (rc == 0); + + /* in this case only scan response is allowed */ + + /* get mbuf for scan rsp data */ + data = os_msys_get_pkthdr(sizeof(ext_adv_pattern_1), 0); + assert(data); + + /* fill mbuf with scan rsp data */ + rc = os_mbuf_append(data, ext_adv_pattern_1, sizeof(ext_adv_pattern_1)); + assert(rc == 0); + + rc = ble_gap_ext_adv_set_data(instance, data); + assert (rc == 0); + + /* start advertising */ + rc = ble_gap_ext_adv_start(instance, 0, 0); + assert (rc == 0); +} +#else +/** + * Enables advertising with the following parameters: + * o General discoverable mode. + * o Undirected connectable mode. + */ +static void +bleprph_advertise(void) +{ + struct ble_gap_adv_params adv_params; + struct ble_hs_adv_fields fields; + const char *name; + int rc; + + /** + * Set the advertisement data included in our advertisements: + * o Flags (indicates advertisement type and other general info). + * o Advertising tx power. + * o Device name. + * o 16-bit service UUIDs (alert notifications). + */ + + memset(&fields, 0, sizeof fields); + + /* Advertise two flags: + * o Discoverability in forthcoming advertisement (general) + * o BLE-only (BR/EDR unsupported). + */ + fields.flags = BLE_HS_ADV_F_DISC_GEN | + BLE_HS_ADV_F_BREDR_UNSUP; + + /* Indicate that the TX power level field should be included; have the + * stack fill this value automatically. This is done by assigning the + * special value BLE_HS_ADV_TX_PWR_LVL_AUTO. + */ + fields.tx_pwr_lvl_is_present = 1; + fields.tx_pwr_lvl = BLE_HS_ADV_TX_PWR_LVL_AUTO; + + name = ble_svc_gap_device_name(); + fields.name = (uint8_t *)name; + fields.name_len = strlen(name); + fields.name_is_complete = 1; + + fields.uuids16 = (ble_uuid16_t[]) { + BLE_UUID16_INIT(GATT_SVR_SVC_ALERT_UUID) + }; + fields.num_uuids16 = 1; + fields.uuids16_is_complete = 1; + + rc = ble_gap_adv_set_fields(&fields); + if (rc != 0) { + MODLOG_DFLT(ERROR, "error setting advertisement data; rc=%d\n", rc); + return; + } + + /* Begin advertising. */ + memset(&adv_params, 0, sizeof adv_params); + adv_params.conn_mode = BLE_GAP_CONN_MODE_UND; + adv_params.disc_mode = BLE_GAP_DISC_MODE_GEN; + rc = ble_gap_adv_start(own_addr_type, NULL, BLE_HS_FOREVER, + &adv_params, bleprph_gap_event, NULL); + if (rc != 0) { + MODLOG_DFLT(ERROR, "error enabling advertisement; rc=%d\n", rc); + return; + } +} +#endif + +#if MYNEWT_VAL(BLE_POWER_CONTROL) +static void bleprph_power_control(uint16_t conn_handle) +{ + int rc; + + rc = ble_gap_read_remote_transmit_power_level(conn_handle, 0x01 ); // Attempting on LE 1M phy + assert (rc == 0); + + rc = ble_gap_set_transmit_power_reporting_enable(conn_handle, 0x1, 0x1); + assert (rc == 0); +} +#endif + + +#if MYNEWT_VAL(BLE_POWER_CONTROL) +static int +bleprph_gap_power_event(struct ble_gap_event *event, void *arg) +{ + + switch(event->type) { + case BLE_GAP_EVENT_TRANSMIT_POWER: + MODLOG_DFLT(INFO, "Transmit power event : status=%d conn_handle=%d reason=%d " + "phy=%d power_level=%x power_level_flag=%d delta=%d", + event->transmit_power.status, + event->transmit_power.conn_handle, + event->transmit_power.reason, + event->transmit_power.phy, + event->transmit_power.transmit_power_level, + event->transmit_power.transmit_power_level_flag, + event->transmit_power.delta); + return 0; + + case BLE_GAP_EVENT_PATHLOSS_THRESHOLD: + MODLOG_DFLT(INFO, "Pathloss threshold event : conn_handle=%d current path loss=%d " + "zone_entered =%d", + event->pathloss_threshold.conn_handle, + event->pathloss_threshold.current_path_loss, + event->pathloss_threshold.zone_entered); + return 0; + + default: + return 0; + } +} +#endif + + +/** + * The nimble host executes this callback when a GAP event occurs. The + * application associates a GAP event callback with each connection that forms. + * bleprph uses the same callback for all connections. + * + * @param event The type of event being signalled. + * @param ctxt Various information pertaining to the event. + * @param arg Application-specified argument; unused by + * bleprph. + * + * @return 0 if the application successfully handled the + * event; nonzero on failure. The semantics + * of the return code is specific to the + * particular GAP event being signalled. + */ +static int +bleprph_gap_event(struct ble_gap_event *event, void *arg) +{ + struct ble_gap_conn_desc desc; + int rc; + + switch (event->type) { + case BLE_GAP_EVENT_CONNECT: + /* A new connection was established or a connection attempt failed. */ + MODLOG_DFLT(INFO, "connection %s; status=%d ", + event->connect.status == 0 ? "established" : "failed", + event->connect.status); + if (event->connect.status == 0) { + rc = ble_gap_conn_find(event->connect.conn_handle, &desc); + assert(rc == 0); + bleprph_print_conn_desc(&desc); + } + MODLOG_DFLT(INFO, "\n"); + + if (event->connect.status != 0) { + /* Connection failed; resume advertising. */ +#if CONFIG_EXAMPLE_EXTENDED_ADV + ext_bleprph_advertise(); +#else + bleprph_advertise(); +#endif + } + +#if MYNEWT_VAL(BLE_POWER_CONTROL) + bleprph_power_control(event->connect.conn_handle); + + ble_gap_event_listener_register(&power_control_event_listener, + bleprph_gap_power_event, NULL); +#endif + return 0; + + case BLE_GAP_EVENT_DISCONNECT: + MODLOG_DFLT(INFO, "disconnect; reason=%d ", event->disconnect.reason); + bleprph_print_conn_desc(&event->disconnect.conn); + MODLOG_DFLT(INFO, "\n"); + + /* Connection terminated; resume advertising. */ +#if CONFIG_EXAMPLE_EXTENDED_ADV + ext_bleprph_advertise(); +#else + bleprph_advertise(); +#endif + return 0; + + case BLE_GAP_EVENT_CONN_UPDATE: + /* The central has updated the connection parameters. */ + MODLOG_DFLT(INFO, "connection updated; status=%d ", + event->conn_update.status); + rc = ble_gap_conn_find(event->conn_update.conn_handle, &desc); + assert(rc == 0); + bleprph_print_conn_desc(&desc); + MODLOG_DFLT(INFO, "\n"); + return 0; + + case BLE_GAP_EVENT_ADV_COMPLETE: + MODLOG_DFLT(INFO, "advertise complete; reason=%d", + event->adv_complete.reason); +#if CONFIG_EXAMPLE_EXTENDED_ADV + ext_bleprph_advertise(); +#else + bleprph_advertise(); +#endif + return 0; + + case BLE_GAP_EVENT_ENC_CHANGE: + /* Encryption has been enabled or disabled for this connection. */ + MODLOG_DFLT(INFO, "encryption change event; status=%d ", + event->enc_change.status); + rc = ble_gap_conn_find(event->enc_change.conn_handle, &desc); + assert(rc == 0); + bleprph_print_conn_desc(&desc); + MODLOG_DFLT(INFO, "\n"); + return 0; + + case BLE_GAP_EVENT_NOTIFY_TX: + MODLOG_DFLT(INFO, "notify_tx event; conn_handle=%d attr_handle=%d " + "status=%d is_indication=%d", + event->notify_tx.conn_handle, + event->notify_tx.attr_handle, + event->notify_tx.status, + event->notify_tx.indication); + return 0; + + case BLE_GAP_EVENT_SUBSCRIBE: + MODLOG_DFLT(INFO, "subscribe event; conn_handle=%d attr_handle=%d " + "reason=%d prevn=%d curn=%d previ=%d curi=%d\n", + event->subscribe.conn_handle, + event->subscribe.attr_handle, + event->subscribe.reason, + event->subscribe.prev_notify, + event->subscribe.cur_notify, + event->subscribe.prev_indicate, + event->subscribe.cur_indicate); + return 0; + + case BLE_GAP_EVENT_MTU: + MODLOG_DFLT(INFO, "mtu update event; conn_handle=%d cid=%d mtu=%d\n", + event->mtu.conn_handle, + event->mtu.channel_id, + event->mtu.value); + return 0; + + case BLE_GAP_EVENT_REPEAT_PAIRING: + /* We already have a bond with the peer, but it is attempting to + * establish a new secure link. This app sacrifices security for + * convenience: just throw away the old bond and accept the new link. + */ + + /* Delete the old bond. */ + rc = ble_gap_conn_find(event->repeat_pairing.conn_handle, &desc); + assert(rc == 0); + ble_store_util_delete_peer(&desc.peer_id_addr); + + /* Return BLE_GAP_REPEAT_PAIRING_RETRY to indicate that the host should + * continue with the pairing operation. + */ + return BLE_GAP_REPEAT_PAIRING_RETRY; + + case BLE_GAP_EVENT_PASSKEY_ACTION: + ESP_LOGI(tag, "PASSKEY_ACTION_EVENT started \n"); + struct ble_sm_io pkey = {0}; + int key = 0; + + if (event->passkey.params.action == BLE_SM_IOACT_DISP) { + pkey.action = event->passkey.params.action; + pkey.passkey = 123456; // This is the passkey to be entered on peer + ESP_LOGI(tag, "Enter passkey %" PRIu32 "on the peer side", pkey.passkey); + rc = ble_sm_inject_io(event->passkey.conn_handle, &pkey); + ESP_LOGI(tag, "ble_sm_inject_io result: %d\n", rc); + } else if (event->passkey.params.action == BLE_SM_IOACT_NUMCMP) { + ESP_LOGI(tag, "Passkey on device's display: %" PRIu32 , event->passkey.params.numcmp); + ESP_LOGI(tag, "Accept or reject the passkey through console in this format -> key Y or key N"); + pkey.action = event->passkey.params.action; + if (scli_receive_key(&key)) { + pkey.numcmp_accept = key; + } else { + pkey.numcmp_accept = 0; + ESP_LOGE(tag, "Timeout! Rejecting the key"); + } + rc = ble_sm_inject_io(event->passkey.conn_handle, &pkey); + ESP_LOGI(tag, "ble_sm_inject_io result: %d\n", rc); + } else if (event->passkey.params.action == BLE_SM_IOACT_OOB) { + static uint8_t tem_oob[16] = {0}; + pkey.action = event->passkey.params.action; + for (int i = 0; i < 16; i++) { + pkey.oob[i] = tem_oob[i]; + } + rc = ble_sm_inject_io(event->passkey.conn_handle, &pkey); + ESP_LOGI(tag, "ble_sm_inject_io result: %d\n", rc); + } else if (event->passkey.params.action == BLE_SM_IOACT_INPUT) { + ESP_LOGI(tag, "Enter the passkey through console in this format-> key 123456"); + pkey.action = event->passkey.params.action; + if (scli_receive_key(&key)) { + pkey.passkey = key; + } else { + pkey.passkey = 0; + ESP_LOGE(tag, "Timeout! Passing 0 as the key"); + } + rc = ble_sm_inject_io(event->passkey.conn_handle, &pkey); + ESP_LOGI(tag, "ble_sm_inject_io result: %d\n", rc); + } + return 0; + + } + + return 0; +} + +static void +bleprph_on_reset(int reason) +{ + MODLOG_DFLT(ERROR, "Resetting state; reason=%d\n", reason); +} + +#if CONFIG_EXAMPLE_RANDOM_ADDR +static void +ble_app_set_addr(void) +{ + ble_addr_t addr; + int rc; + + /* generate new non-resolvable private address */ + rc = ble_hs_id_gen_rnd(0, &addr); + assert(rc == 0); + + /* set generated address */ + rc = ble_hs_id_set_rnd(addr.val); + + assert(rc == 0); +} +#endif + +static void +bleprph_on_sync(void) +{ + int rc; + +#if CONFIG_EXAMPLE_RANDOM_ADDR + /* Generate a non-resolvable private address. */ + ble_app_set_addr(); +#endif + + /* Make sure we have proper identity address set (public preferred) */ +#if CONFIG_EXAMPLE_RANDOM_ADDR + rc = ble_hs_util_ensure_addr(1); +#else + rc = ble_hs_util_ensure_addr(0); +#endif + assert(rc == 0); + + /* Figure out address to use while advertising (no privacy for now) */ + rc = ble_hs_id_infer_auto(0, &own_addr_type); + if (rc != 0) { + MODLOG_DFLT(ERROR, "error determining address type; rc=%d\n", rc); + return; + } + + /* Printing ADDR */ + uint8_t addr_val[6] = {0}; + rc = ble_hs_id_copy_addr(own_addr_type, addr_val, NULL); + + MODLOG_DFLT(INFO, "Device Address: "); + print_addr(addr_val); + MODLOG_DFLT(INFO, "\n"); + /* Begin advertising. */ +#if CONFIG_EXAMPLE_EXTENDED_ADV + ext_bleprph_advertise(); +#else + bleprph_advertise(); +#endif +} + +void bleprph_host_task(void *param) +{ + ESP_LOGI(tag, "BLE Host Task Started"); + /* This function will return only when nimble_port_stop() is executed */ + nimble_port_run(); + + nimble_port_freertos_deinit(); +} + +void +app_main(void) +{ + int rc; + + /* Initialize NVS — it is used to store PHY calibration data */ + esp_err_t ret = nvs_flash_init(); + if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) { + ESP_ERROR_CHECK(nvs_flash_erase()); + ret = nvs_flash_init(); + } + ESP_ERROR_CHECK(ret); + +#if CONFIG_PM_ENABLE + // Configure dynamic frequency scaling: + // maximum and minimum frequencies are set in sdkconfig, + // automatic light sleep is enabled if tickless idle support is enabled. + esp_pm_config_t pm_config = { + .max_freq_mhz = CONFIG_EXAMPLE_MAX_CPU_FREQ_MHZ, + .min_freq_mhz = CONFIG_EXAMPLE_MIN_CPU_FREQ_MHZ, +#if CONFIG_FREERTOS_USE_TICKLESS_IDLE + .light_sleep_enable = true +#endif + }; + ESP_ERROR_CHECK( esp_pm_configure(&pm_config) ); +#endif // CONFIG_PM_ENABLE + + ret = nimble_port_init(); + if (ret != ESP_OK) { + ESP_LOGE(tag, "Failed to init nimble %d ", ret); + return; + } + /* Initialize the NimBLE host configuration. */ + ble_hs_cfg.reset_cb = bleprph_on_reset; + ble_hs_cfg.sync_cb = bleprph_on_sync; + ble_hs_cfg.gatts_register_cb = gatt_svr_register_cb; + ble_hs_cfg.store_status_cb = ble_store_util_status_rr; + + ble_hs_cfg.sm_io_cap = CONFIG_EXAMPLE_IO_TYPE; +#ifdef CONFIG_EXAMPLE_BONDING + ble_hs_cfg.sm_bonding = 1; + /* Enable the appropriate bit masks to make sure the keys + * that are needed are exchanged + */ + ble_hs_cfg.sm_our_key_dist |= BLE_SM_PAIR_KEY_DIST_ENC; + ble_hs_cfg.sm_their_key_dist |= BLE_SM_PAIR_KEY_DIST_ENC; +#endif +#ifdef CONFIG_EXAMPLE_MITM + ble_hs_cfg.sm_mitm = 1; +#endif +#ifdef CONFIG_EXAMPLE_USE_SC + ble_hs_cfg.sm_sc = 1; +#else + ble_hs_cfg.sm_sc = 0; +#endif +#ifdef CONFIG_EXAMPLE_RESOLVE_PEER_ADDR + /* Stores the IRK */ + ble_hs_cfg.sm_our_key_dist |= BLE_SM_PAIR_KEY_DIST_ID; + ble_hs_cfg.sm_their_key_dist |= BLE_SM_PAIR_KEY_DIST_ID; +#endif + + rc = gatt_svr_init(); + assert(rc == 0); + + /* Set the default device name. */ + rc = ble_svc_gap_device_name_set("nimble-bleprph"); + assert(rc == 0); + + /* XXX Need to have template for store */ + ble_store_config_init(); + + nimble_port_freertos_init(bleprph_host_task); + + /* Initialize command line interface to accept input from user */ + rc = scli_init(); + if (rc != ESP_OK) { + ESP_LOGE(tag, "scli_init() failed"); + } +} diff --git a/examples/bluetooth/nimble/power_save/sdkconfig.40m.esp32c3 b/examples/bluetooth/nimble/power_save/sdkconfig.40m.esp32c3 new file mode 100644 index 0000000000..5350dc1304 --- /dev/null +++ b/examples/bluetooth/nimble/power_save/sdkconfig.40m.esp32c3 @@ -0,0 +1,12 @@ +CONFIG_IDF_TARGET="esp32c3" + +# MODEM SLEEP Options +CONFIG_BT_CTRL_MODEM_SLEEP=y +CONFIG_BT_CTRL_MODEM_SLEEP_MODE_1=y +# Bluetooth low power clock +CONFIG_BT_CTRL_LPCLK_SEL_MAIN_XTAL=y +# Power up main XTAL during light sleep +CONFIG_BT_CTRL_MAIN_XTAL_PU_DURING_LIGHT_SLEEP=y + +# Enable power down of MAC and baseband in light sleep mode +CONFIG_ESP_PHY_MAC_BB_PD=y diff --git a/examples/bluetooth/nimble/power_save/sdkconfig.40m.esp32s3 b/examples/bluetooth/nimble/power_save/sdkconfig.40m.esp32s3 new file mode 100644 index 0000000000..bc3e7033cd --- /dev/null +++ b/examples/bluetooth/nimble/power_save/sdkconfig.40m.esp32s3 @@ -0,0 +1,14 @@ +CONFIG_IDF_TARGET="esp32s3" + +# MODEM SLEEP Options +CONFIG_BT_CTRL_MODEM_SLEEP=y +CONFIG_BT_CTRL_MODEM_SLEEP_MODE_1=y +# Bluetooth low power clock +CONFIG_BT_CTRL_LPCLK_SEL_MAIN_XTAL=y +# Power up main XTAL during light sleep +CONFIG_BT_CTRL_MAIN_XTAL_PU_DURING_LIGHT_SLEEP=y + +# Run FreeRTOS only on first core +CONFIG_FREERTOS_UNICORE=y +# Enable power down of MAC and baseband in light sleep mode +CONFIG_ESP_PHY_MAC_BB_PD=y diff --git a/examples/bluetooth/nimble/power_save/sdkconfig.defaults b/examples/bluetooth/nimble/power_save/sdkconfig.defaults new file mode 100644 index 0000000000..8b57fab433 --- /dev/null +++ b/examples/bluetooth/nimble/power_save/sdkconfig.defaults @@ -0,0 +1,21 @@ +# Override some defaults so BT stack is enabled +# in this example + +# +# BT config +# +CONFIG_BT_ENABLED=y +CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y +CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n +CONFIG_BTDM_CTRL_MODE_BTDM=n +CONFIG_BT_BLUEDROID_ENABLED=n +CONFIG_BT_NIMBLE_ENABLED=y + +# Enable support for power management +CONFIG_PM_ENABLE=y +# Enable tickless idle mode +CONFIG_FREERTOS_USE_TICKLESS_IDLE=y +# Set the tick rate at which FreeRTOS does pre-emptive context switching. +CONFIG_FREERTOS_HZ=1000 +# Minimum number of ticks to enter sleep mode for +CONFIG_FREERTOS_IDLE_TIME_BEFORE_SLEEP=3 diff --git a/examples/bluetooth/nimble/power_save/sdkconfig.defaults.esp32 b/examples/bluetooth/nimble/power_save/sdkconfig.defaults.esp32 new file mode 100644 index 0000000000..44973533c9 --- /dev/null +++ b/examples/bluetooth/nimble/power_save/sdkconfig.defaults.esp32 @@ -0,0 +1,13 @@ +CONFIG_IDF_TARGET="esp32" + +# MODEM SLEEP Options +CONFIG_BTDM_CTRL_MODEM_SLEEP=y +CONFIG_BTDM_CTRL_MODEM_SLEEP_MODE_ORIG=y +# Bluetooth low power clock +CONFIG_BTDM_CTRL_LPCLK_SEL_EXT_32K_XTAL=y + +# RTC clock source +CONFIG_RTC_CLK_SRC_EXT_CRYS=y + +# Run FreeRTOS only on first core +CONFIG_FREERTOS_UNICORE=y diff --git a/examples/bluetooth/nimble/power_save/sdkconfig.defaults.esp32c3 b/examples/bluetooth/nimble/power_save/sdkconfig.defaults.esp32c3 new file mode 100644 index 0000000000..6fe39ffb73 --- /dev/null +++ b/examples/bluetooth/nimble/power_save/sdkconfig.defaults.esp32c3 @@ -0,0 +1,13 @@ +CONFIG_IDF_TARGET="esp32c3" + +# MODEM SLEEP Options +CONFIG_BT_CTRL_MODEM_SLEEP=y +CONFIG_BT_CTRL_MODEM_SLEEP_MODE_1=y +# Bluetooth low power clock +CONFIG_BT_CTRL_LPCLK_SEL_EXT_32K_XTAL=y + +# RTC clock source +CONFIG_RTC_CLK_SRC_EXT_CRYS=y + +# Enable power down of MAC and baseband in light sleep mode +CONFIG_ESP_PHY_MAC_BB_PD=y diff --git a/examples/bluetooth/nimble/power_save/sdkconfig.defaults.esp32s3 b/examples/bluetooth/nimble/power_save/sdkconfig.defaults.esp32s3 new file mode 100644 index 0000000000..4e9d2f3edf --- /dev/null +++ b/examples/bluetooth/nimble/power_save/sdkconfig.defaults.esp32s3 @@ -0,0 +1,15 @@ +CONFIG_IDF_TARGET="esp32s3" + +# MODEM SLEEP Options +CONFIG_BT_CTRL_MODEM_SLEEP=y +CONFIG_BT_CTRL_MODEM_SLEEP_MODE_1=y +# Bluetooth low power clock +CONFIG_BT_CTRL_LPCLK_SEL_EXT_32K_XTAL=y + +# RTC clock source +CONFIG_RTC_CLK_SRC_EXT_CRYS=y + +# Run FreeRTOS only on first core +CONFIG_FREERTOS_UNICORE=y +# Enable power down of MAC and baseband in light sleep mode +CONFIG_ESP_PHY_MAC_BB_PD=y