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Merge branch 'bugfix/update_ble_phy_example_v5.1' into 'release/v5.1'
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fix(nimble): Updated BLE Phy example (v5.1)

See merge request espressif/esp-idf!26015
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@rahult-github
rahult-github committed Sep 20, 2023
2 parents e3beb8c + 783cc77 commit 013a0d4
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183 changes: 114 additions & 69 deletions examples/bluetooth/nimble/ble_phy/phy_cent/README.md
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Expand Up @@ -59,115 +59,160 @@ See the [Getting Started Guide](https://idf.espressif.com/) for full steps to co

This is the console output on successful connection:


```
I (315) BTDM_INIT: BT controller compile version [05195c9]
I (315) phy_init: phy_version 912,d001756,Jun 2 2022,16:28:07
I (355) system_api: Base MAC address is not set
I (355) system_api: read default base MAC address from EFUSE
I (355) BTDM_INIT: Bluetooth MAC: 84:f7:03:08:4d:8e
I (456) NimBLE_BLE_PHY_CENT: BLE Host Task Started
I (456) NimBLE: Default LE PHY set successfully; tx_phy = 7, rx_phy = 7
I (456) NimBLE: GAP procedure initiated: extended discovery;
I (466) main_task: Returned from app_main()
I (6316) NimBLE: Attempting to connect to : 60 55 f9 f7 3e 23 with type 0
I (6316) NimBLE: GAP procedure initiated: extended connect;
I (6386) NimBLE: Connection established 1M PhY
I (6386) NimBLE:
I (6386) NimBLE: GATT procedure initiated: discover all services
I (6446) NimBLE: GATT procedure initiated: discover all characteristics;
I (6446) NimBLE: start_handle=1 end_handle=5
I (6636) NimBLE: GATT procedure initiated: discover all characteristics;
I (6636) NimBLE: start_handle=6 end_handle=9
I (6836) NimBLE: GATT procedure initiated: discover all characteristics;
I (6836) NimBLE: start_handle=10 end_handle=65535
I (7036) NimBLE: GATT procedure initiated: discover all descriptors;
I (7036) NimBLE: chr_val_handle=8 end_handle=9
I (7136) NimBLE: GATT procedure initiated: discover all descriptors;
I (7136) NimBLE: chr_val_handle=12 end_handle=65535
I (7236) NimBLE: Service discovery complete; status=0 conn_handle=1
I (355) NimBLE_BLE_PHY_CENT: BLE Host Task Started
I (465) NimBLE: Connection established
I (465) NimBLE:
I (7236) NimBLE: GATT procedure initiated: read;
I (7236) NimBLE: att_handle=12
I (465) NimBLE: Prefered LE PHY set to LE_PHY_2M successfully
I (465) NimBLE: GATT procedure initiated: discover all services
I (7336) NimBLE: Read complete; status=261 conn_handle=1
I (7336) NimBLE:
I (565) NimBLE: GATT procedure initiated: discover all characteristics;
I (565) NimBLE: start_handle=1 end_handle=5
I (7336) NimBLE: GATT procedure initiated: write long;
I (7346) NimBLE: att_handle=12 len=1000
I (765) NimBLE: GATT procedure initiated: discover all characteristics;
I (765) NimBLE: start_handle=6 end_handle=9
I (7436) NimBLE: Write complete; status=261 conn_handle=1
I (7436) NimBLE: GAP procedure initiated: terminate connection; conn_handle=1 hci_reason=19
I (965) NimBLE: GATT procedure initiated: discover all characteristics;
I (965) NimBLE: start_handle=10 end_handle=65535
I (7446) NimBLE:
I (1015) NimBLE: LE PHY Update completed; status=0 conn_handle=1 tx_phy=2 rx_phy = 2
I (7486) NimBLE: disconnect; reason=534
I (7486) NimBLE:
I (1165) NimBLE: GATT procedure initiated: discover all descriptors;
I (1165) NimBLE: chr_val_handle=8 end_handle=9
I (7486) NimBLE: Attempting to initiate connection on 2M PHY
I (1265) NimBLE: GATT procedure initiated: discover all descriptors;
I (1265) NimBLE: chr_val_handle=12 end_handle=65535
I (7496) NimBLE: GAP procedure initiated: extended connect;
I (1365) NimBLE: Service discovery complete; status=0 conn_handle=1
I (7596) NimBLE: Connection established on 2M Phy
I (7596) NimBLE:
I (1365) NimBLE: GATT procedure initiated: read;
I (1365) NimBLE: att_handle=12
I (7596) NimBLE: GATT procedure initiated: discover all services
I (1375) NimBLE: GAP procedure initiated: terminate connection; conn_handle=1 hci_reason=19
I (7696) NimBLE: GATT procedure initiated: discover all characteristics;
I (7706) NimBLE: start_handle=1 end_handle=5
I (1415) NimBLE: disconnect; reason=534
I (1415) NimBLE:
I (7896) NimBLE: GATT procedure initiated: discover all characteristics;
I (7896) NimBLE: start_handle=6 end_handle=9
I (1415) NimBLE: Default LE PHY set successfully; tx_phy = 2, rx_phy = 2
I (1505) NimBLE: Connection established
I (1505) NimBLE:
I (8096) NimBLE: GATT procedure initiated: discover all characteristics;
I (8096) NimBLE: start_handle=10 end_handle=65535
I (1505) NimBLE: GATT procedure initiated: discover all services
I (8296) NimBLE: GATT procedure initiated: discover all descriptors;
I (8296) NimBLE: chr_val_handle=8 end_handle=9
I (1615) NimBLE: GATT procedure initiated: discover all characteristics;
I (1615) NimBLE: start_handle=1 end_handle=5
I (8396) NimBLE: GATT procedure initiated: discover all descriptors;
I (8396) NimBLE: chr_val_handle=12 end_handle=65535
I (1815) NimBLE: GATT procedure initiated: discover all characteristics;
I (1815) NimBLE: start_handle=6 end_handle=9
I (8496) NimBLE: Service discovery complete; status=0 conn_handle=1
I (2015) NimBLE: LE PHY Update completed; status=0 conn_handle=1 tx_phy=2 rx_phy = 2
I (8496) NimBLE: GATT procedure initiated: read;
I (8506) NimBLE: att_handle=12
I (2015) NimBLE: GATT procedure initiated: discover all characteristics;
I (2025) NimBLE: start_handle=10 end_handle=65535
I (8596) NimBLE: Read complete; status=261 conn_handle=1
I (8596) NimBLE:
I (2215) NimBLE: GATT procedure initiated: discover all descriptors;
I (2215) NimBLE: chr_val_handle=8 end_handle=9
I (8606) NimBLE: GATT procedure initiated: write long;
I (8606) NimBLE: att_handle=12 len=1000
I (2315) NimBLE: GATT procedure initiated: discover all descriptors;
I (2315) NimBLE: chr_val_handle=12 end_handle=65535
I (8696) NimBLE: Write complete; status=261 conn_handle=1
I (8696) NimBLE: GAP procedure initiated: terminate connection; conn_handle=1 hci_reason=19
I (2415) NimBLE: Service discovery complete; status=0 conn_handle=1
I (8706) NimBLE:
I (2415) NimBLE: GATT procedure initiated: read;
I (2415) NimBLE: att_handle=12
I (8746) NimBLE: disconnect; reason=534
I (8746) NimBLE:
I (2425) NimBLE: GAP procedure initiated: terminate connection; conn_handle=1 hci_reason=19
I (8756) NimBLE: Attempting to initiate connection on Coded PHY
I (2465) NimBLE: disconnect; reason=534
I (2465) NimBLE:
I (8756) NimBLE: GAP procedure initiated: extended connect;
I (2465) NimBLE: Default LE PHY set successfully; tx_phy = 4, rx_phy = 4
I (2555) NimBLE: Connection established
I (2555) NimBLE:
I (8876) NimBLE: Connection established on Coded Phy
I (8876) NimBLE:
I (2555) NimBLE: GATT procedure initiated: discover all services
I (8876) NimBLE: GATT procedure initiated: discover all services
I (2665) NimBLE: GATT procedure initiated: discover all characteristics;
I (2665) NimBLE: start_handle=1 end_handle=5
I (8976) NimBLE: GATT procedure initiated: discover all characteristics;
I (8976) NimBLE: start_handle=1 end_handle=5
I (2865) NimBLE: GATT procedure initiated: discover all characteristics;
I (2865) NimBLE: start_handle=6 end_handle=9
I (9176) NimBLE: GATT procedure initiated: discover all characteristics;
I (9176) NimBLE: start_handle=6 end_handle=9
I (3065) NimBLE: LE PHY Update completed; status=0 conn_handle=1 tx_phy=3 rx_phy = 3
I (9426) NimBLE: GATT procedure initiated: discover all characteristics;
I (9426) NimBLE: start_handle=10 end_handle=65535
I (3065) NimBLE: GATT procedure initiated: discover all characteristics;
I (3075) NimBLE: start_handle=10 end_handle=65535
I (9626) NimBLE: GATT procedure initiated: discover all descriptors;
I (9626) NimBLE: chr_val_handle=8 end_handle=9
I (3265) NimBLE: GATT procedure initiated: discover all descriptors;
I (3265) NimBLE: chr_val_handle=8 end_handle=9
I (9776) NimBLE: GATT procedure initiated: discover all descriptors;
I (9776) NimBLE: chr_val_handle=12 end_handle=65535
I (3365) NimBLE: GATT procedure initiated: discover all descriptors;
I (3365) NimBLE: chr_val_handle=12 end_handle=65535
I (9876) NimBLE: Service discovery complete; status=0 conn_handle=1
I (3465) NimBLE: Service discovery complete; status=0 conn_handle=1
I (9876) NimBLE: GATT procedure initiated: read;
I (9876) NimBLE: att_handle=12
I (3465) NimBLE: GATT procedure initiated: read;
I (3465) NimBLE: att_handle=12
I (9976) NimBLE: Read complete; status=261 conn_handle=1
I (9976) NimBLE:
I (3475) NimBLE: GAP procedure initiated: terminate connection; conn_handle=1 hci_reason=19
I (9976) NimBLE: GATT procedure initiated: write long;
I (9976) NimBLE: att_handle=12 len=1000
I (3515) NimBLE: disconnect; reason=534
I (3515) NimBLE:
I (10076) NimBLE: Write complete; status=261 conn_handle=1
I (10076) NimBLE: GAP procedure initiated: terminate connection; conn_handle=1 hci_reason=19
I (10076) NimBLE:
I (10126) NimBLE: disconnect; reason=534
I (10126) NimBLE:
```

## Intiating connection on 2M / Coded Phy

This example also provides a way to initiate connection directly on 2M / Coded PHY. For this, set the peripheral device address in EXAMPLE_PEER_ADDR setting via menuconfig. Also example needs to be modified to use the PHY that user needs to update.

In main.c file, in blecent_on_sync function, set the s_current_phy to the intended phy.

To create direct connection on 2M, set the s_current_phy to BLE_HCI_LE_PHY_2M_PREF_MASK.

To create direct connection on Coded Phy, set the s_current_phy to BLE_HCI_LE_PHY_CODED_PREF_MASK

Recompile application and flash the image.

Note: For this setting to work ,the remote device too should be advertising with either 2M auxillary phy OR Coded phy.

Also, since this mode initiates direct connection, ensure that peripheral is already advertising, before executing this application.

## Troubleshooting

For any technical queries, please open an [issue](https://github.com/espressif/esp-idf/issues) on GitHub. We will get back to you soon.
10 changes: 0 additions & 10 deletions examples/bluetooth/nimble/ble_phy/phy_cent/main/Kconfig.projbuild
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Expand Up @@ -6,14 +6,4 @@ menu "Example Configuration"
help
Enter the peer address in aa:bb:cc:dd:ee:ff form to connect to a specific peripheral

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.
If this option is disabled, ensure config BT_NIMBLE_EXT_ADV is
also disabled from Nimble stack menuconfig
endmenu
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