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LitexCNC: firmware and driver for 5A-75B and 5A-75E

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2 years 8 months ago #294187 by vre
Replied by vre on topic LitexCNC: firmware and driver for 5A-75B and 5A-75E
what openocd command needed to flash firmware with ft232rl adapter ?

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2 years 8 months ago #294198 by Cant do this anymore bye all
Replied by Cant do this anymore bye all on topic LitexCNC: firmware and driver for 5A-75B and 5A-75E
Does it support JTAG ?
This may help
jacobncalvert.com/blog-archive/2020/02/0...ith-the-ftdi-ft232r/

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2 years 8 months ago - 2 years 8 months ago #294206 by Mecanix
Replied by Mecanix on topic LitexCNC: firmware and driver for 5A-75B and 5A-75E

what openocd command needed to flash firmware with ft232rl adapter ?
try: 
 
Code:
Try: $ sudo /opt/oss-cad-suite/bin/openFPGALoader --unprotect-flash -c ft232RL -f /home/xxx_folder_whatever/colorlight_5a_75e.bit

For the Rl you *may* be required to provide pinouts as per:
FT232R and ft231X may be used as JTAG programmer. JTAG communications are emulated in bitbang mode.
To use these devices user needs to provides both the cable and the pin mapping:
openFPGALoader [options] -c ft23XXX --pins=TDI:TDO:TCK:TMS /path/to/bitstream.ext
Last edit: 2 years 8 months ago by Mecanix.

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2 years 8 months ago #294315 by vre
Replied by vre on topic LitexCNC: firmware and driver for 5A-75B and 5A-75E
FT232RL has CTS:TXD:RXD:DTR pinout how these map to TDI:TDO:TCK:TMS ?

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2 years 8 months ago #294319 by Mecanix
Replied by Mecanix on topic LitexCNC: firmware and driver for 5A-75B and 5A-75E
Bit bang data bus (assumption). Have little hope this will ever work but it cost nothing to try. 

D0 --> TXD --> TDI
D1 --> RXD --> TDO
D2 --> RTS --> TCK
D3 --> CTS --> TMS
Code:
$ sudo /opt/oss-cad-suite/bin/openFPGALoader --unprotect-flash -c ft232RL -f --pins=0:1:2:3 /path/to/colorlight_5a_75e.bit

Ref: trabucayre.github.io/openFPGALoader/guide/advanced.html
The following user(s) said Thank You: vre

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2 years 8 months ago #294320 by Mecanix
Replied by Mecanix on topic LitexCNC: firmware and driver for 5A-75B and 5A-75E
This --> FT232H
Code:
$ sudo /opt/oss-cad-suite/bin/openFPGALoader --unprotect-flash -c ft232 -f /path_to/colorlight_5a_75e.bit

[img

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