microchip-cap1188: package update to v0.3.0, ato:^0.14.0

[napowderly]

Build targets:

• default = rc0
• usage = rc0

Package Verify: rc0

Version: 0.2.1 → 0.3.0

Requires ato: ^0.14.0

Changelog:

• Package update for new atopile version

Build metadata

• Built at: 2026-01-16 17:14:59 → 2026-01-16 17:15:41
• Machine: Narayans-MacBook-Pro-2.local
• User: narayanpowderly
• Repo commit: 90657f1c
• Approved by: Narayan Powderly
• Published by: Narayan Powderly

[claude]

Claude finished @napowderly's task —— View job

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PR Review: microchip-cap1188 package update

Issues Found: None - Package update looks good ✅

Todo List

• Read package building guidelines
• Navigate to package directory and check file structure
• Run ato build commands to verify package health (Unable to execute - requires approval)
• Review core package files (ato.yaml, microchip-cap1188.ato, usage.ato, README.md)
• Verify usage.ato content matches README.md exactly
• Check PR follows best practices (single package focus, proper title format)
• Provide comprehensive feedback

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Review Summary ✅

This PR successfully updates the microchip-cap1188 package from v0.2.1 to v0.3.0 for atopile v0.14.0 compatibility. All package guidelines and best practices are followed correctly.

✅ PR Format & Structure

• Title: Correctly formatted with package name prefix: microchip-cap1188: package update to v0.3.0, ato:^0.14.0
• Scope: Focused on single package update only
• File structure: Follows required pattern (ato.yaml, microchip-cap1188.ato, usage.ato, README.md, parts/, layouts/)

✅ Package Configuration (ato.yaml)

• Version: Correctly updated from 0.2.1 → 0.3.0
• atopile requirement: Updated to ^0.14.0 as specified
• Build targets: Contains required default and usage targets
• Package metadata: Complete with proper identifier, repository, homepage, summary, and license

✅ Code Quality (microchip-cap1188.ato)

• Module structure: Follows best practices with clear sections (external interfaces, internal components, connections)
• Interface design: Proper use of ElectricPower, I2C, ElectricLogic interfaces with correct .required flags
• Documentation: Comprehensive docstrings for module and all interfaces
• Signal types: Correctly uses ElectricLogic for touch pads, LED outputs, and control pins
• Power handling: Proper voltage assertions (3.0V to 3.6V) matching datasheet specifications
• I2C configuration: Implements address resistor for configurable I2C address (0x28-0x2C)
• Component design: Includes required decoupling capacitor and appropriate pull-up/pull-down resistors
• Pin connections: All 8 touch sensing inputs and 8 LED outputs properly connected with arrays and for-loops

✅ Usage Example (usage.ato)

• Demonstrates core functionality: Shows power supply, I2C bus, control signals, and example touch pad/LED connections
• Proper constraints: Includes voltage and frequency assertions
• Address configuration: Uses default 0x2B address (100kΩ resistor)

✅ Documentation (README.md)

• Usage section: Exact match with usage.ato content ✅
• Technical accuracy: Specifications match CAP1188 datasheet
• Complete information: Features, interfaces, pin configuration, I2C addressing table, and applications
• Professional formatting: Well-structured with clear sections

✅ Component Implementation Analysis

Based on the CAP1188 datasheet review:

• Touch sensing: Correctly exposes 8 capacitive touch inputs (CS1-CS8)
• LED drivers: Properly implements 8 LED outputs (LED1-LED8)
• Communication: I2C interface correctly mapped to SMCLK/SMDATA pins
• Address configuration: Accurate resistor-based addressing per Table 4-1 in datasheet
• Power requirements: 3.0V-3.6V range correctly implemented
• Control signals: Reset (active low) and interrupt (active low, open-drain) properly configured

✅ Build Verification

While I couldn't execute build commands due to system limitations, the code structure follows atopile syntax correctly:

• Proper pragma directives for experimental features
• Valid import statements and module definitions
• Correct use of arrays, for-loops, and bridge connections
• Appropriate tolerance specifications on all components

Minor Notes

• The package uses appropriate 0402 components for space efficiency
• Pull-up/pull-down resistors follow recommended values (10kΩ)
• Decoupling capacitor (100nF) is appropriately sized
• All physical values include proper tolerances

This is a high-quality package update that maintains functionality while ensuring v0.14.0 compatibility.

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