adding inverted color commands

scripts/flash_and_connect.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+BUILD_DIR="${BUILD_DIR:-build}"
+SERIAL_DEV="${1:-${PICO_SERIAL:-/dev/ttyACM0}}"
+BAUD_RATE="${PICO_BAUD:-115200}"
+
+cmake -S "$PROJECT_ROOT" -B "$PROJECT_ROOT/$BUILD_DIR"
+cmake --build "$PROJECT_ROOT/$BUILD_DIR"
+
+UF2_PATH="$PROJECT_ROOT/$BUILD_DIR/eink_api.uf2"
+if [ ! -f "$UF2_PATH" ]; then
+    echo "UF2 image not found at $UF2_PATH" >&2
+    exit 1
+fi
+
+if command -v picotool >/dev/null 2>&1; then
+    echo "Put the Pico into BOOTSEL mode (hold BOOTSEL and plug in USB), then press Enter to flash..."
+    read -r
+    if ! picotool load "$UF2_PATH" --verify --reset; then
+        echo "picotool flashing failed." >&2
+        exit 1
+    fi
+else
+    echo "picotool not found; copy $UF2_PATH to the Pico's mass-storage drive manually to flash." >&2
+fi
+
+SERIAL_CLIENT="${SERIAL_CLIENT:-screen}"
+case "$SERIAL_CLIENT" in
+    screen)
+        if ! command -v screen >/dev/null 2>&1; then
+            echo "screen not installed; set SERIAL_CLIENT to a different terminal (picocom, minicom)." >&2
+            exit 1
+        fi
+        echo "Connecting to $SERIAL_DEV at $BAUD_RATE with screen (Ctrl-A, then k to exit)."
+        exec screen "$SERIAL_DEV" "$BAUD_RATE"
+        ;;
+    picocom)
+        if ! command -v picocom >/dev/null 2>&1; then
+            echo "picocom not installed; install it or set SERIAL_CLIENT=screen." >&2
+            exit 1
+        fi
+        echo "Connecting to $SERIAL_DEV at $BAUD_RATE with picocom (Ctrl-A, Ctrl-X to exit)."
+        exec picocom -b "$BAUD_RATE" "$SERIAL_DEV"
+        ;;
+    minicom)
+        if ! command -v minicom >/dev/null 2>&1; then
+            echo "minicom not installed; install it or set SERIAL_CLIENT=screen." >&2
+            exit 1
+        fi
+        echo "Connecting to $SERIAL_DEV at $BAUD_RATE with minicom (Ctrl-A, Z then X to exit)."
+        exec minicom -D "$SERIAL_DEV" -b "$BAUD_RATE"
+        ;;
+    *)
+        echo "Unsupported SERIAL_CLIENT '$SERIAL_CLIENT'." >&2
+        exit 1
+        ;;
+esac