fpga-patterns SKILL.md skillA
fpga-patterns from hermeticormus/libreembed-claude-code is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add hermeticormus/libreembed-claude-code/fpga-patterns@git:20260930.ba05790Pins git:20260930.ba05790 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- hermeticormus/libreembed-claude-code
- Path
plugins/fpga-integration/skills/fpga-patterns/SKILL.md- Versions recorded
- 4
- Latest version
- git:20260930.ba05790, committed Sep 30, 2026
- First version recorded
- Feb 25, 2026
- Size
- 5,681 bytes
- Repository stars
- 51
- License
- MIT
Synthesizable Verilog patterns for MCU-FPGA designs on Artix-7 and Cyclone V: register bank with strobes, two-flop clock domain crossing, PWM generator, Vivado block design Tcl, and ILA or SignalTap capture. Use when writing FPGA logic that an MCU drives or debugging it in hardware.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# fpga-patterns
## Knowledge Base
Synthesizable Verilog patterns for FPGA-MCU integration. Targeting Xilinx Artix-7 and Intel Cyclone V.
---
## Pattern 1: Register Bank with Read/Write Strobe
Simpler than AXI-Lite for SPI-connected FPGAs:
```verilog
/* 8 x 32-bit register file with address/data/write-enable interface */
module reg_bank (
input wire clk,
input wire rst_n,
input wire [2:0] addr,
input wire [31:0] wdata,
input wire wen,
output reg [31:0] rdata,
/* Application outputs */
output wire [31:0] reg0_out,
output wire [31:0] reg1_out,
input wire [31:0] reg4_in, /* Read-back from hardware */
input wire [31:0] reg5_in
);
reg [31:0] regs [0:7];
always @(posedge clk or negedge rst_n) begin
if (!rst_n) begin
regs[0] <= 32'h0; regs[1] <= 32'h0;
regs[2] <= 32'h0; regs[3] <= 32'h0;
end else if (wen) begin
regs[addr] <= wdata;
end
end
/* Read: hardware status registers override software writes */
always @(*) begin
case (addr)
3'd4: rdata = reg4_in;
3'd5: rdata = reg5_in;
…Read the whole file at its exact version.
How to install
mdr add hermeticormus/libreembed-claude-code/fpga-patterns@sha256:c4e77ebbedb86a05The line at the top of this page pins the label git:20260930.ba05790, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_3a3gqqigosckmpg6)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 4 versions of this file, between Feb 25, 2026 and Sep 30, 2026, about one every 73 days. Its first recorded version is graded C and its latest A.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260930.ba05790 latest | 2026-09-30 | ba05790 | 5,681 B | A | view · diff |
| git:20260930.dffc082 | 2026-09-30 | dffc082 | 5,454 B | A | view · diff |
| git:20260226.186740f | 2026-02-26 | 186740f | 5,351 B | C | view · diff |
| git:20260225.a4aeb64 | 2026-02-25 | a4aeb64 | 2,983 B | C | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (5681 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
hermeticormus/libreembed-claude-code · 51 stars · license MIT · pushed 2026-10-09 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_3a3gqqigosckmpg6 GET https://markdownregistry.com/api/v1/resolve?ref=hermeticormus/libreembed-claude-code/fpga-patterns GET https://markdownregistry.com/api/v1/blob/c4e77ebbedb86a05da4ee0eeb19aad5c74baf22b5d437f4cf7c328c1b2efad47
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