IoTGateway/BSP/Android/Gettingstarted/How to use GPIO - Revision history

Chris.liu at 09:44, 19 June 2017

2017-06-19T09:44:10Z

Chris.liu at 09:10, 26 January 2017

2017-01-26T09:10:40Z

Chris.liu at 09:05, 26 January 2017

2017-01-26T09:05:51Z

Chris.liu at 07:19, 26 January 2017

2017-01-26T07:19:59Z

Chris.liu at 06:35, 26 January 2017

2017-01-26T06:35:31Z

Chris.liu at 06:10, 26 January 2017

2017-01-26T06:10:13Z

Chris.liu at 06:09, 26 January 2017

2017-01-26T06:09:34Z

Chris.liu: Created page with "=== Configuration/Test === ==== Configuration ==== ROM-3421 {| border="1" cellspacing="1" cellpadding="1" style="width:500px;" |- | GPIO Number | Export Number |- | GPIO0 |..."

2017-01-26T06:06:58Z

Created page with "=== Configuration/Test === ==== Configuration ==== ROM-3421 {| border="1" cellspacing="1" cellpadding="1" style="width:500px;" |- | GPIO Number | Export Number |- | GPIO0 |..."

New page

=== Configuration/Test ===

==== Configuration ====

ROM-3421

{| border="1" cellspacing="1" cellpadding="1" style="width:500px;"
|-
| GPIO Number
| Export Number
|-
| GPIO0
| 
|-
| GPIO1 
| 
|-
| GPIO2 
| 
|-
| GPIO3 
| 
|-
| GPIO4 
| 
|-
| GPIO5 
| 
|-
| GPIO6 
| 
|-
| GPIO7 
| 
|-
| GPIO8 
| 
|}

ROM7420

@@ Line 104: / Line 104: @@
 Export GPIO 27
-<pre># echo 27 /sys/class/gpio/export
+<pre># echo 27 > /sys/class/gpio/export
 </pre>
 Set GPIO direction to in/out
-<pre># echo "in" > /sys/class/gpio/gpio27/direction
+<pre># echo "out" > /sys/class/gpio/gpio27/direction
 </pre>
 Set GPIO value 0/1 if GPIO pin define is output
 <pre>#  echo 1 > /sys/class/gpio/gpio27/value
 </pre>
@@ Line 131: / Line 127: @@
 Unexport GPIO 27
-<pre># echo 27 /sys/class/gpio/unexport
+<pre># echo 27 > /sys/class/gpio/unexport
 </pre>

@@ Line 22: / Line 22: @@
 |-
 | GPIO0
-| GPIO_0
+| GPIO_1
-| <br/>
+| 1
 |-
 | GPIO1<br/>
 | GPIO2_IO2
-| <br/>
+| 34
 |-
 | GPIO2<br/>
 | GPIO2_IO3<br/>
-| <br/>
+| 35
 |-
 | GPIO3<br/>
 | GPIO_3
-| <br/>
+| 3
 |-
 | GPIO4<br/>
-| GPIO_17<br/>
+| GPIO7_IO12<br/>
-| <br/>
+| 204
 |-
 | GPIO5<br/>
-| GPIO_18<br/>
+| GPIO7_IO13<br/>
-| <br/>
+| 205
 |-
 | GPIO6<br/>
 | GPIO7_IO6<br/>
-| <br/>
+| 198
 |-
 | GPIO7<br/>

@@ Line 22: / Line 22: @@
 |-
 | GPIO0
-| GPIO6_IO11
+| GPIO_0
 | <br/>
 |-
 | GPIO1<br/>
-| GPIO6_IO14
+| GPIO2_IO2
 | <br/>
 |-
 | GPIO2<br/>
-| GPIO6_IO15<br/>
+| GPIO2_IO3<br/>
 | <br/>
 |-
 | GPIO3<br/>
-| GPIO6_IO16
+| GPIO_3
 | <br/>
 |-
 | GPIO4<br/>
-| GPIO2_IO25<br/>
+| GPIO_17<br/>
 | <br/>
 |-
 | GPIO5<br/>
-| GPIO2_IO23<br/>
+| GPIO_18<br/>
 | <br/>
 |-
 | GPIO6<br/>
-| GPIO2_IO24<br/>
+| GPIO7_IO6<br/>
 | <br/>
 |-

@@ Line 14: / Line 14: @@
 ===== ROM-3421 =====
 ===== ROM7420 =====
@@ Line 55: / Line 98: @@
 | 130
 |}

@@ Line 3: / Line 3: @@
 ==== Configuration ====
-ROM-3421
+The i.MX 6 bank/bit notation for GPIOs must be formed&nbsp;as&nbsp;"GPIO&lt;GPIO_bank&gt;_IO&lt;gpio_bit&gt;"&nbsp;
 ROM7420
 {| border="1" cellspacing="1" cellpadding="1" style="width:500px;"
 |-
 | GPIO Number
-| Export Number
+| GPIO formed
 |-
 | GPIO0
 | 171
 |-
 | GPIO1<br/>
 | 174
 |-
 | GPIO2<br/>
 | 175
 |-
 | GPIO3<br/>
 | 176
 |-
 | GPIO4<br/>
 | 57
 |-
 | GPIO5<br/>
 | 55
 |-
 | GPIO6<br/>
 | 56
 |-
 | GPIO7<br/>
 | 130
 |}

@@ Line 32: / Line 32: @@
 | 55
 |-
-| GPIO657<br/>
+| GPIO6<br/>
 | 56
 |-