# Configure Xilinx SmartLynq for Eth. programming & GPIO
## 1 Connect power, RJ45 cable
If success, you may see:
Above red ip address please
**remember this IP address as *\<init-ip-addr\>***
## 2 Ensure path of vivado has exist your EnvVar
Append path of vivado *bin* into `.bashrc` or `.tclshrc` or `.zshrc`
For examle,
I place my path of vivado *bin* to `.zshrc`
``` bash
$ echo "export PATH=$PATH:"/tools/Xilinx/Vivado/2020.1/bin" >> ~/.zshrc
```
and run
``` bash
$ vivado -version
```
You should get message similar to:
```
Vivado v2020.1.1 (64-bit)
SW Build 2960000 on Wed Aug 5 22:57:21 MDT 2020
IP Build 2956692 on Thu Aug 6 01:41:30 MDT 2020
Copyright 1986-2020 Xilinx, Inc. All Rights Reserved.
```
## 3 First Connect to SmartLynq with vivado via Eth.
Run vivado with command mode:
```
$ vivado -mode tcl
```
Open hardware manager of vivado
```tclsh
vivado% open_hw_manager
```
Connect to **\<init-ip-addr\>** of Xilinx-SmartLynq
``` tclsh
vivado% connect_hw_server -url TCP:<init-ip-addr>:3121
```
If you success, you could get message similar to
```
INFO: [Labtools 27-2285] Connecting to hw_server url TCP:<init-ip-addr>:3121
INFO: [Labtools 27-3415] Connecting to cs_server url TCP:localhost:3042
INFO: [Labtools 27-3417] Launching cs_server...
INFO: [Labtools 27-2221] Launch Output:
****** Xilinx cs_server v2020.1.0
**** Build date : May 14 2020-09:10:29
** Copyright 2017-2020 Xilinx, Inc. All Rights Reserved.
<init-ip-addr>:3121
```
## 4 Update firmware for Xilinx SmartLynq
When you 1st connect to SmartLynq via Eth.
you could get this message
```
INFO: [Labtools 27-2285]
Connecting to hw_server url
TCP:xxx.xxx.xxx.xxx:3121
INFO: [Labtools 27-3350]
There is an update available for the SmartLynq Data Cable cable.
Call 'update_hw_firmware -reset' TCL command to update.
```
Yes,
If you'd like to programming to FPGA with SmartLynq,
you need to update firmware.
Use this command
``` bash
%vivado update_hw_firmware -reset
```
**After Update successful,**
**Unplug power and re-start SmartLynq**
After restart,
you should see firmware version (as following pcture red)
same to your version of vivado
## 5 Assign static(fixed) IP for SmartLynq
Open vivado with command mode
``` bash
$ vivado -mode tcl
```
Open hardware manager of vivado
```tclsh
vivado% open_hw_manager
```
Connect into hardware manager
``` tclsh
vivado% connect_hw_server -url TCP:<init-ip-addr>:3121
```
Request IP/Mask/Gateway from your network administrator
, write this file *Config.ini*
```
# File Name: Config.ini
set always-open-jtag 1
set ip-address 192.168.10.55
set ip-netmask 255.255.255.0
set ip-gateway 192.168.10.254
```
Regarding above example,
my ip address of SmartLynq is `192.168.10.55`
others information I request from by our network administrator.
Now,
we're updating firmware of SmartLynq with command in vivado-tcl
```
Vivado% update_hw_firmware -skip_update -config_path <path to file of Config.ini> -reset
```
If you get this message
```
INFO: [Labtoolstcl 44-645] SmartLynq successfully updated.
Disconnect from the hw_server and power cycle the SmartLynq
before reconnecting.
INFO: [Labtoolstcl 44-658] Smartlynq cable has reset.
Disconnecting from Smartlynq server.
Reconnect to Smartlynq to continue session.
```
update should be successful.
**Unplug power and re-start SmartLynq**
After SmartLynq boot,
you should see new ip address has been upated
## 6 Programming with SmartLynq via Eth.
### 6.1 Configure(find) SmartLynq in your vivado project
### 6.2 If configure is successful, you can start to program
## 7 GPIO
### 7.1 Prepared for configure GPIO
Open vivado with command mode
``` bash
$ vivado -mode tcl
```
Open hardware manager of vivado
```tclsh
vivado% open_hw_manager
```
Connect into hardware manager
``` tclsh
vivado% connect_hw_server -url TCP:<init-ip-addr>:3121
```
### 7.2 Configure state of GPIO for each I/O port
When preceding operation (7.1) finished,
run
``` tclsh
vivado% update_hw_gpio <direction byte> <Assigned values of out>
```
For \<direction byte\>, where:
* 0 defines the pin as an input pin
* 1 in the direction byte specifies the pin in that bit position as an output pin.
For \<Assigned value of out\> :
if \<direction byte\> assert to '1',
(this port is assigning \<out state\> now)
assing this port '0' or '1' as output value
### 7.3 A example
``` tclsh
vivado% update_hw_gpio 1A 2B
```
1A meaning I/O direction is
1A: 0001_1010 -> in/in/in/out _ in/out/in/out
2B meaning
2B: 0010_1011 -> x/x/x/1 _ x/0/x/0
where x is input value
### 7.4 Note
Input values seems can't be monitor by computer directly
###### tags: `TechReport` `DeWei`
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