Difference between revisions of "ORCA SOM/ORCA Evaluation Kit/Interfaces and Connectors/DWM"

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!colspan="4" style="width:100%; text-align:left"; border-bottom:solid 2px #ededed"|History
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! colspan="4" style="width:100%; text-align:left" ; border-bottom:solid 2px #ededed" |History
 
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!style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white"|Issue Date
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! style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white" |Issue Date
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!style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white"|Notes
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! style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white" |Notes
 
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| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |1.0.0
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|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|Month Year
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| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |Nov 2021
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|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|TBD
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| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |First release
 
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|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|TBD
 
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|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|...
 
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<section end=History/>
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<section end="History" />
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<section begin=Body/>
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<section begin="Body" />
  
−
==DWM interface ==
+
==DWM/DWS interface ==
  
−
''TBD: sostituire le sezioni con le informazioni sull'uso della periferica e del suo connettore''
+
DWM and DWS are DAVE WiFi addons that provide WiFi 802.11 bgn and Bluetooth connectivity.
−
''Nell'esempio di seguito c'è la descrizione dell'interfaccia UART/console''
 
  
 
=== Description  ===
 
=== Description  ===
  
−
The DWM interface available on the Evaluation Kit at the connector ''TBD:Jxxx''.  
+
The DWM interface available on the Evaluation Kit at the connector J2.  
  
−
''Jxx'' is a ''TBD:connector-type'' header connector for the RS232 two-wires UART3 port, used for debug purposes (bootloader and operating system serial console).
+
J2 is a 30-pins 0.50mm Pitch SlimStack™ Receptacle. This connector is dedicated to the DWM/DWS ''optional'' add-on module.
  
  
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The following table describes the interface signals:
 
The following table describes the interface signals:
−
 
+
{| class="wikitable"
−
{| class="wikitable"  
+
!Pin#
−
! latexfontsize="scriptsize"| Pin#
+
!SOM Pin#
−
! latexfontsize="scriptsize"| SOM Pin#
+
!Pin name
−
! latexfontsize="scriptsize"| Pin name
+
!Pin function
−
! latexfontsize="scriptsize"| Pin function
+
!Pin Notes
−
! latexfontsize="scriptsize"| Pin Notes
+
|-
 +
|1, 2
 +
| -
 +
|5V
 +
|Power supply
 +
|
 +
|-
 +
|3, 4
 +
| -
 +
|3.3V
 +
|Power supply
 +
|
 
|-
 
|-
−
|1,2,4,6,,7,8,10
+
|5, 6, 9, 10, 19
 
| -
 
| -
−
| N.A.
+
|DGND
−
| N.C.
+
|Ground
−
| Not connected
+
|
 
|-
 
|-
−
| 3
+
|7
−
| J1.189
+
|J15.18
−
| RS232_RX
+
|TIWI_MMC2_CMD
−
| Receive line
+
|
−
|  
+
|
 
|-
 
|-
−
| 3
+
|8
−
| J1.187
+
|J15.16
−
| RS232_TX
+
|TIWI_MMC2_CLK
−
| Transmit line
+
|
−
|  
+
|
 
|-
 
|-
−
| 9
+
|11
 +
|J15.20
 +
|TIWI_MMC2_DAT0
 +
|
 +
|
 +
|-
 +
|13
 +
|J15.22
 +
|TIWI_MMC2_DAT1
 +
|
 +
|
 +
|-
 +
|15
 +
|J15.24
 +
|TIWI_MMC2_DAT2
 +
|
 +
|
 +
|-
 +
|17
 +
|J15.26
 +
|TIWI_MMC2_DAT3
 +
|
 +
|
 +
|-
 +
|21
 +
|J15.114
 +
|UART2_RX
 +
|
 +
|Used only for BT peripheral
 +
|-
 +
|23
 +
|J15.110
 +
|UART2_CTS
 +
|
 +
|Used only for BT peripheral
 +
|-
 +
|24
 +
|J15.36
 +
|TIWI_BT_F5
 +
|
 +
|Used only for BT peripheral
 +
|-
 +
|25
 +
|J15.114
 +
|UART2_TX
 +
|
 +
|Used only for BT peripheral
 +
|-
 +
|26
 +
|J15.38
 +
|TIWI_BT_F2
 +
|
 +
|Used only for BT peripheral
 +
|-
 +
|27
 +
|J15.116
 +
|UART2_RTS
 +
|
 +
|Used only for BT peripheral
 +
|-
 +
|28
 +
|J15.56
 +
|TIWI_IRQ
 +
|
 +
|
 +
|-
 +
|29
 +
|J15.34
 +
|TIWI_BT_EN
 +
|
 +
|Used only for BT peripheral
 +
|-
 +
|30
 +
|J15.32
 +
|TIWI_EN
 +
|
 +
|
 +
|-
 +
|12, 14, 16, 18, 20, 22
 
| -
 
| -
−
| DGND
+
|N.C.
−
| Ground
+
|Not connected
−
|  
+
|
 
|}
 
|}
  
−
=== Device mapping ===
+
=== WiFi ===
−
UART3 is mapped to <code>/dev/ttymxc2</code> device in Linux. The peripheral is used as the default serial console, both for the bootloader and the kernel.
+
 
 +
==== Device mapping ====
 +
The WiFi peripheral is mapped to the corresponding <code>wlan<X></code> device in Linux. The network peripheral is visible under the <code>ifconfig</code> network configuration utility.
  
−
=== Device usage ===
+
==== Device usage ====
 +
The peripheral is used the standard kernel interface and network protocol stack.
  
−
To connect to the debug serial port:
+
=== Bluetooth ===
  
−
# connect the DB9 adapter bracket to the J22 connector on the SBCX board
+
==== Device mapping ====
−
# connect a serial cable between DB9 connector and PC COM port through a NULL-modem cable (not provided)
+
The BT peripheral is mapped to the <code>/dev/ttymxc2</code> serial port in Linux. It can be mounted as an hci device with the following command: '''''TBD'''''.
−
# start your favorite terminal emulator software on PC (eg: PuTTY); communication parameters are: 115200,N,8,1
 
  
 +
==== Device usage ====
 +
The peripheral is used by the standard kernel interface and BlueZ protocol stack.
 
----
 
----
  
 
[[Category:ORCA SOM]]
 
[[Category:ORCA SOM]]

Revision as of 16:01, 9 November 2021

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History
Version Issue Date Notes
1.0.0 Nov 2021 First release


DWM/DWS interface[edit | edit source]

DWM and DWS are DAVE WiFi addons that provide WiFi 802.11 bgn and Bluetooth connectivity.

Description[edit | edit source]

The DWM interface available on the Evaluation Kit at the connector J2.

J2 is a 30-pins 0.50mm Pitch SlimStack™ Receptacle. This connector is dedicated to the DWM/DWS optional add-on module.


[[File:{Template:Nome-som-EVB-DWM-connector.png|thumb|center|500px|DWM connector]]

Signals[edit | edit source]

The following table describes the interface signals:

Pin# SOM Pin# Pin name Pin function Pin Notes
1, 2 - 5V Power supply
3, 4 - 3.3V Power supply
5, 6, 9, 10, 19 - DGND Ground
7 J15.18 TIWI_MMC2_CMD
8 J15.16 TIWI_MMC2_CLK
11 J15.20 TIWI_MMC2_DAT0
13 J15.22 TIWI_MMC2_DAT1
15 J15.24 TIWI_MMC2_DAT2
17 J15.26 TIWI_MMC2_DAT3
21 J15.114 UART2_RX Used only for BT peripheral
23 J15.110 UART2_CTS Used only for BT peripheral
24 J15.36 TIWI_BT_F5 Used only for BT peripheral
25 J15.114 UART2_TX Used only for BT peripheral
26 J15.38 TIWI_BT_F2 Used only for BT peripheral
27 J15.116 UART2_RTS Used only for BT peripheral
28 J15.56 TIWI_IRQ
29 J15.34 TIWI_BT_EN Used only for BT peripheral
30 J15.32 TIWI_EN
12, 14, 16, 18, 20, 22 - N.C. Not connected

WiFi[edit | edit source]

Device mapping[edit | edit source]

The WiFi peripheral is mapped to the corresponding wlan<X> device in Linux. The network peripheral is visible under the ifconfig network configuration utility.

Device usage[edit | edit source]

The peripheral is used the standard kernel interface and network protocol stack.

Bluetooth[edit | edit source]

Device mapping[edit | edit source]

The BT peripheral is mapped to the /dev/ttymxc2 serial port in Linux. It can be mounted as an hci device with the following command: TBD.

Device usage[edit | edit source]

The peripheral is used by the standard kernel interface and BlueZ protocol stack.

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