Tang Nano 20K?

[TurBoss]

Hello,

It could be possible to port to the tang nano 20k?

got the 1k version also, but only one has space for one step-gen :)

Thanks!

[TurBoss]

have this options

{
    "name": "TangNano20K",
    "description": "TangNano20K with 1 stepper Axis SPI",
    "board": "TangNano20K",
    "type": "GW2AR-LV18QN88C8/I7",
    "family": "GW2AR-18",
    "toolchain": "icestorm",
    "package": "QN88",
    "clock": {
        "speed": "27000000",
        "pin": "47"
    },
 ...

and got this error

(OSS CAD Suite) ➜  LinuxCNC-RIO git:(tang_nano_20k) ✗ make
python3 buildtool.py configs/TangNano20K/config.json
generating files in Output/TangNano20K
generating qtgui
generating firmware
generating linux-cnc config
generating linux-cnc component
(cd Output/TangNano20K/Firmware/ ; make)
make[1]: se entra en el directorio '/home/turboss/Projects/LinuxCNC-RIO/Output/TangNano20K/Firmware'
yosys -q -l yosys.log -p 'synth_gowin -noalu -nowidelut -top rio -json rio.json' vout_pwm.v vin_pulsecounter.v quad_encoder.v joint_stepper.v joint_stepper_nf.v interface_spislave.v debouncer.v blink.v rio.v
nextpnr-gowin --seed 0 --json rio.json --write rio_pnr.json --freq 27.0 --enable-globals --enable-auto-longwires --device GW2AR-LV18QN88C8/I7 --family GW2AR-LV18 --cst pins.cst
ERROR: Invalid device GW2AR-LV18QN88C8/I7
0 warnings, 1 error
make[1]: *** [Makefile:11: rio_pnr.json] Error 255
make[1]: se sale del directorio '/home/turboss/Projects/LinuxCNC-RIO/Output/TangNano20K/Firmware'
make: *** [Makefile:39: firmware] Error 2
(OSS CAD Suite) ➜  LinuxCNC-RIO git:(tang_nano_20k) ✗ 

:)

[multigcs]

the 20k is not supported by yosys/nextpnr, but for the 9k, we generate also files to use the gowin ide.

you can try to change the file 'generators/firmware/firmware.py'

if board == "TangNano9K":

to

if board == "TangNano9K" and board == "TangNano20K":

regenerate the Output folders and try:

make gowin_build

[multigcs]

oh, you have to install the gowin tools first and add the PATH of it

[multigcs]

i have add minimal support for the 20K,
now it generate a valid rio.gprj that you can open in gowin ide.

'make gowin_build' will not work yet, need the right tcl command:

set_device -name GW2AR-18 GW2AR-LV18QN88C8/I7

[TurBoss]

oh so i need the gowin IDE? and a license?

thanks

[TurBoss]

ok got it

so for now is only posible to work with the board from their tools

[TurBoss]

🥳

[multigcs]

if you change the config.json to:
"family": "GW2AR-18C",

then you can use 'make gowin_build'

#:/usr/src/LinuxCNC-RIO/Output/TangNano20K/Firmware$ make gowin_build 
gw_sh rio.tcl
*** GOWIN Tcl Command Line Console  *** 
current device: GW2AR-18C  GW2AR-LV18QN88C8/I7
add new file: "interface_spislave.v"
add new file: "expansion_shiftreg.v"
add new file: "vout_pwm.v"
add new file: "vin_pulsecounter.v"
add new file: "quad_encoder.v"
add new file: "joint_stepper.v"
add new file: "joint_stepper_nf.v"
add new file: "debouncer.v"
add new file: "blink.v"
add new file: "rio.v"
add new file: "pins.cst"
GowinSynthesis start
Running parser ...
Analyzing Verilog file '/usr/src/LinuxCNC-RIO/Output/TangNano20K/Firmware/interface_spislave.v'
Analyzing Verilog file '/usr/src/LinuxCNC-RIO/Output/TangNano20K/Firmware/expansion_shiftreg.v'
Analyzing Verilog file '/usr/src/LinuxCNC-RIO/Output/TangNano20K/Firmware/vout_pwm.v'
Analyzing Verilog file '/usr/src/LinuxCNC-RIO/Output/TangNano20K/Firmware/vin_pulsecounter.v'
Analyzing Verilog file '/usr/src/LinuxCNC-RIO/Output/TangNano20K/Firmware/quad_encoder.v'
Analyzing Verilog file '/usr/src/LinuxCNC-RIO/Output/TangNano20K/Firmware/joint_stepper.v'

[TurBoss]

that worked thanks !

but for some reason i can't upload to 20k :/

(OSS CAD Suite) ➜  Firmware git:(main) ✗ make gowin_load                      
openFPGALoader -b tangnano20k impl/pnr/project.fs -f
write to flash
unable to open ftdi device: -3 (unable to set usb configuration. Make sure the default FTDI driver is not in use)
JTAG init failed with: unable to open ftdi device
make: *** [Makefile:33: gowin_load] Error 1
(OSS CAD Suite) ➜  Firmware git:(main) ✗ 

[TurBoss]

ouch was a USB hub in the middle issue

(OSS CAD Suite) ➜  Firmware git:(main) ✗ make gowin_load
openFPGALoader -b tangnano20k impl/pnr/project.fs -f
write to flash
Jtag frequency : requested 6.00MHz   -> real 6.00MHz  
Parse file Parse impl/pnr/project.fs: 
Done
DONE
Jtag frequency : requested 2.50MHz   -> real 2.00MHz  
Jtag frequency : requested 10.00MHz  -> real 6.00MHz  
erase SRAM Done
Detected: Winbond W25Q64 128 sectors size: 64Mb
Detected: Winbond W25Q64 128 sectors size: 64Mb
RDSR : 00
WIP  : 0
WEL  : 0
BP   : 0
TB   : 0
SRWD : 0
00000000 00000000 00000000 00
Erasing: [==================================================] 100.00%
Done
Writing: [==================================================] 100.00%
Done
(OSS CAD Suite) ➜  Firmware git:(main) ✗ 

[multigcs]

can you push a sample config for the 20K please ?

[TurBoss]

for sure, here it is https://github.com/TurBoss/LinuxCNC-RIO/blob/20k/configs/TangNano20K/config.json

[multigcs]

thank you, i have add it: https://github.com/multigcs/LinuxCNC-RIO/tree/main/configs/TangNano20K

[ozzyrob]

Great work, was looking at the same board a few weeks ago.

[multigcs]

It's the Tang NANO 20K , not the Tank PRIMER 20K !

for CNC, i prefere the tangNano9K over the tangNano20K because more pin's,

but the tangPrimer20K looks nice and i think it's the same chip

[TurBoss]

hello,

Did a short video showing the Ethernet SPI bridge working with the tang nano 20k and 3 drivers TB6600

:)

[TurBoss]

the video: https://youtu.be/inAFxSs9Hak

[TurBoss]

I'm closing or making this are resolved

:)

[multigcs]

TangPimer20K is now supported in oss-cad-suid, not the TangNano20K :(

but, the basetype of the TangNano20K with other package, so i think it comming soon :)