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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| | | | ||
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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. | ||
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=== 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 | |||
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| Issue Date | Notes | ||
| 2023/08/01 | First Release | ||
Contents
DWSEdit
DWS is a Dave Wireless Module, more details at the DWS page.
DescriptionEdit
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.
SignalsEdit
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 mappingEdit
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 usageEdit
The WiFi peripheral uses the standard kernel interface and network protocol stack.
The BT peripheral uses the standard kernel hci interface.