Add mining mode selection (SHA256/Scrypt) via GUI

miner_wrapper.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+# Wrapper script to start cgminer with correct flags based on selected mode
+
+MODE_FILE="mining_mode.conf"
+CONF_FILE="cgminer.conf"
+LOG_FILE="cgminer.log"
+
+# Default mode
+MODE="sha256"
+
+if [ -f "$MODE_FILE" ]; then
+    MODE=$(cat "$MODE_FILE" | tr -d '[:space:]')
+fi
+
+FLAGS=""
+
+if [ "$MODE" == "scrypt" ]; then
+    FLAGS="--scrypt"
+elif [ "$MODE" == "dual" ]; then
+    # Dual mode usually implies scrypt flag + gridseed options, but purely depends on cgminer version behavior.
+    # Often dual mode is default if scrypt is enabled? 
+    # Actually for gridseed: 
+    # SHA256 only: no --scrypt
+    # Scrypt only: --scrypt --gridseed-options=scrypt
+    # Dual: --scrypt --gridseed-options=... (default)
+    # Let's assume:
+    # SHA256: (no scrypt flag)
+    # Scrypt: --scrypt
+    FLAGS="--scrypt"
+fi
+
+echo "Starting miner in mode: $MODE with flags: $FLAGS" > "$LOG_FILE"
+
+# Execute cgminer
+# Note: we use exec to replace the shell process
+exec /usr/local/bin/cgminer $FLAGS --gridseed-options freq=850 -c "$CONF_FILE" >> "$LOG_FILE" 2>&1