Difference between revisions of "ETRA SOM/ETRA Evaluation Kit/Interfaces and Connectors/DWS"
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| − | == | + | ==DWS == |
| − | + | DWS is a Dave Wireless Module, more details at the [[DWS_ADD-ON|DWS page]]. | |
=== Description === | === Description === | ||
| − | The | + | The DWS interface is available on the Evaluation Kit at the connector J8. |
| − | J8 is a 30-pins 0.50mm Pitch SlimStack™ Receptacle. This connector is dedicated to the | + | J8 is a 30-pins 0.50mm Pitch SlimStack™ Receptacle. This connector is dedicated to the DWS (''optional'') add-on module. |
| − | The module is built around | + | The module is built around a Telit WE866C6-P Dual Band (2.4GHz and 5GHz) 802.11 ac WiFi and Bluetooth 5 module. |
The module implements the necessary PHY/MAC layers to support WLAN applications in conjunction with a host processor over a SDIO interface. The module also provides a Bluetooth platform through the HCI transport layer. Both WLAN and Bluetooth share the same antenna port. | The module implements the necessary PHY/MAC layers to support WLAN applications in conjunction with a host processor over a SDIO interface. The module also provides a Bluetooth platform through the HCI transport layer. Both WLAN and Bluetooth share the same antenna port. | ||
| − | [[File:ETRA-EVK-DWM-connector.png|thumb|left|300px| | + | [[File:ETRA-EVK-DWM-connector.png|thumb|left|300px|DWS connector]] [[File:ETRA-EVK-DWS-wifi-module.png|thumb|center|300px|DWS wifi module mounted on board]] |
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|24 | |24 | ||
|J18.105 | |J18.105 | ||
| − | | | + | |BT_F5 |
| | | | ||
| | | | ||
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|26 | |26 | ||
|J18.72 | |J18.72 | ||
| − | | | + | |BT_F2 |
| | | | ||
| | | | ||
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|28 | |28 | ||
|J18.70 | |J18.70 | ||
| − | | | + | |IRQ |
| | | | ||
| | | | ||
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|29 | |29 | ||
|J18.51 | |J18.51 | ||
| − | | | + | |BT_EN |
| | | | ||
| | | | ||
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|30 | |30 | ||
|J18.53 | |J18.53 | ||
| − | | | + | |EN |
| | | | ||
| | | | ||
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=== Device mapping === | === Device mapping === | ||
| − | + | The WiFi peripheral is mapped to the corresponding <code>wlan0</code> device in Linux. The network peripheral is visible under the <code>ifconfig</code> network configuration utility. | |
| − | |||
| − | |||
| − | |||
| − | |||
| − | The WiFi peripheral is mapped to the corresponding <code> | ||
| − | The BT peripheral is mapped to <code>/dev/ | + | The BT peripheral is mapped to <code>/dev/ttySTM3</code> device in Linux. |
The control signals are managed by <code>rfkill</code> in Linux. | The control signals are managed by <code>rfkill</code> in Linux. | ||
| Line 173: | Line 166: | ||
=== Device usage === | === Device usage === | ||
| − | The WiFi peripheral | + | The WiFi peripheral uses the standard kernel interface and network protocol stack. |
| − | The BT peripheral | + | The BT peripheral uses the standard kernel <code>hci</code> interface. |
---- | ---- | ||
[[Category:ETRA]] | [[Category:ETRA]] | ||
Latest revision as of 16:14, 6 September 2023
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| History | |||
|---|---|---|---|
| Issue Date | Notes | ||
| 2023/08/01 | First Release | ||
DWS[edit | edit source]
DWS is a Dave Wireless Module, more details at the DWS page.
Description[edit | edit source]
The DWS interface is available on the Evaluation Kit at the connector J8.
J8 is a 30-pins 0.50mm Pitch SlimStack™ Receptacle. This connector is dedicated to the DWS (optional) add-on module.
The module is built around a Telit WE866C6-P Dual Band (2.4GHz and 5GHz) 802.11 ac WiFi and Bluetooth 5 module.
The module implements the necessary PHY/MAC layers to support WLAN applications in conjunction with a host processor over a SDIO interface. The module also provides a Bluetooth platform through the HCI transport layer. Both WLAN and Bluetooth share the same antenna port.
Signals[edit | edit source]
The following table describes the interface signals:
| Pin# | SOM Pin# | Pin name | Pin function | Pin Notes |
|---|---|---|---|---|
| 1, 2 | - | 5V_CB | 5V power | |
| 3, 4 | - | 3V3_CB | 3.3V power | |
| 5, 6, 9, 10, 19 | - | DGND | Ground | |
| 7 | J18.45 | WIFI_CMD | ||
| 8 | J18.47 | WIFI_CLK | ||
| 11 | J18.37 | WIFI_DATA0 | ||
| 13 | J18.39 | WIFI_DATA1 | ||
| 15 | J18.41 | WIFI_DATA2 | ||
| 17 | J18.43 | WIFI_DATA3 | ||
| 21 | J18.80 | BT_UART_RX | Used only for BT peripheral | |
| 23 | J18.76 | BT_UART_CTS | Used only for BT peripheral | |
| 24 | J18.105 | BT_F5 | ||
| 25 | J18.74 | BT_UART_TX | Used only for BT peripheral | |
| 26 | J18.72 | BT_F2 | ||
| 27 | J18.78 | BT_UART_RTS | Used only for BT peripheral | |
| 28 | J18.70 | IRQ | ||
| 29 | J18.51 | BT_EN | ||
| 30 | J18.53 | EN | ||
| 12, 14, 16, 18, 20, 22 | - | N.C. | Not connected |
Device mapping[edit | edit source]
The WiFi peripheral is mapped to the corresponding wlan0 device in Linux. The network peripheral is visible under the ifconfig network configuration utility.
The BT peripheral is mapped to /dev/ttySTM3 device in Linux.
The control signals are managed by rfkill in Linux.
Device usage[edit | edit source]
The WiFi peripheral uses the standard kernel interface and network protocol stack.
The BT peripheral uses the standard kernel hci interface.
