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Update firmware documentation and agent guidance

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This commit is contained in:
Julian Appel
2026-07-24 09:27:07 +02:00
parent ac3b2aa90f
commit 50dbf8fbee
26 changed files with 592 additions and 196 deletions
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variants/versapad/variant.cpp
+3 -3
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@@ -1,4 +1,4 @@
// VersaPad v2 – SAMD21G18A Custom Variant
// VersaPad v2 – SAMD21G17D Custom Variant
// Pin descriptions and peripheral object definitions
#include "variant.h"
@@ -15,7 +15,7 @@
const PinDescription g_APinDescription[] = {
// ── Button Matrix: Columns (D0–D4) ────────────────────────────────────────
// Driven LOW one at a time during scanning; idle = INPUT_PULLUP or OUTPUT HIGH
// Inputs with external pull-ups; read LOW through a pressed switch.
// D0 – PA08 – COL_4
{ PORTA, 8, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NMI },
@@ -29,7 +29,7 @@ const PinDescription g_APinDescription[] = {
{ PORTB, 10, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_10 },
// ── Button Matrix: Rows (D5–D9) ───────────────────────────────────────────
// Read as INPUT_PULLUP; go LOW when a button in the active column is pressed
// Idle high-Z; driven LOW one at a time during scanning.
// D5 – PB11 – ROW_0
{ PORTB, 11, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 },
variants/versapad/variant.h
+3 -3
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@@ -1,6 +1,6 @@
#pragma once
// VersaPad v2 – SAMD21G18A Custom Variant
// VersaPad v2 – SAMD21G17D Custom Variant
// Arduino pin assignments for the custom PCB
#define ARDUINO_SAMD_VARIANT_COMPLIANCE 10610
@@ -24,14 +24,14 @@
// attachInterrupt() then internally looks up ulExtInt via g_APinDescription.
// ─── Button Matrix ────────────────────────────────────────────────────────────
// Columns (driven LOW one at a time)
// Columns (inputs with external pull-ups; read LOW for a pressed switch)
#define PIN_COL0 (4u) // PB10 – also encoder SW column
#define PIN_COL1 (3u) // PA11
#define PIN_COL2 (2u) // PA10
#define PIN_COL3 (1u) // PA09
#define PIN_COL4 (0u) // PA08
// Rows (read with internal pull-up)
// Rows (idle high-Z; driven LOW one at a time during scanning)
#define PIN_ROW0 (5u) // PB11
#define PIN_ROW1 (6u) // PA12
#define PIN_ROW2 (7u) // PA13