Files
diodeinc__pcb/examples/LEDCircuit/LEDCircuit.zen
Akhil Velagapudi ae7766a8a6 Add warnings for unstable refs in load(), Module() (#105)
* Refactor diagnostics for warnings support

- Add render trait
- Render warnings after errors
- Reuse build code across build, layout

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Delete bundle

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Fix clippy lints

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Add git ref metadata

3 stages to fetch_remote:
- Ensure remote is in cache
- Add appropriate symlinks
- Classify + store ref metadata

Some code cleanup:
- Factored out some git clone dupe code
- Centralized git operations in git.rs

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Warn on unstable refs

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Add "-Dwarnings" flag to error on warnings

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Warn on unstable refs in Module()

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Add snapshot tests for warnings

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Fix span detection for chained Module()

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* Add ResolveContext, dedup resolve code

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Use spec history for better alias warnings

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Add pcb.toml spans

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Add type-erased error storage to Diagnostic

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Fix bug with load() span detection

The previous logic would just attempt to match by path, but if there are
multiple load() statements in a single file with the same path, then
find_load_span_for_path with always return the first.

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Added diagnostics passes

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Add LSP-specific pass to filter out some warnings

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Fix rebase conflicts

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

* Fix unstable ref detection logic

If we clone by tag and the tag exists in the git repo, it's a stable
ref. Same with commit.

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>

---------

Signed-off-by: akhilles <akhilvelagapudi@gmail.com>
2025-08-25 15:45:51 -07:00

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"""
A simple LED circuit with current limiting resistor.
This demonstrates using standard components to create a basic LED driver.
"""
load("@stdlib/interfaces.zen", "Power", "Ground")
Resistor = Module("@stdlib/generics/Resistor.zen")
Led = Module("@stdlib:v0.2.2/generics/Led.zen")
# Configuration parameters
r_value = config("r_value", str, default="330ohms", optional=True)
led_color = config("led_color", str, default="red", optional=True)
# IO ports
vcc = io("vcc", Power)
gnd = io("gnd", Ground)
# Internal net for LED anode
led_anode = Net("LED_ANODE")
# Create the LED circuit
Resistor(name="R1", value=r_value, package="0603", P1=vcc.NET, P2=led_anode)
Led(name="D1", color=led_color, package="0603", A=led_anode, K=gnd.NET)