From 67ef88f2c59c563af6f415994a723160f9bb8cf3 Mon Sep 17 00:00:00 2001
From: Shawn Silverman <shawn@pobox.com>
Date: Mon, 7 Nov 2022 18:51:36 -0800
Subject: [PATCH] Add teensy_secure support

---
 builder/main.py | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/builder/main.py b/builder/main.py
index 9ff6490..ca1acbf 100644
--- a/builder/main.py
+++ b/builder/main.py
@@ -94,7 +94,8 @@
         OBJCOPY="arm-none-eabi-objcopy",
         RANLIB="arm-none-eabi-gcc-ranlib",
         SIZETOOL="arm-none-eabi-size",
-        SIZEPRINTCMD="$SIZETOOL -B -d $SOURCES"
+        SIZEPRINTCMD="$SIZETOOL -B -d $SOURCES",
+        TEENSYSECURE="teensy_secure"
     )
 
     env.Append(
@@ -125,6 +126,21 @@
         )
     )
 
+    if build_core == "teensy4":
+        env.Append(
+            BUILDERS=dict(
+                HexToEhex=Builder(
+                    action=env.VerboseAction(" ".join([
+                        "$TEENSYSECURE",
+                        "encrypthex",
+                        board_config.id.upper(),
+                        "$SOURCES"
+                    ]), "Encrypting $TARGET"),
+                    suffix=".ehex"
+                )
+            )
+        )
+
     if not env.get("PIOFRAMEWORK"):
         env.SConscript("frameworks/_bare_arm.py")
 
@@ -161,6 +177,8 @@
 else:
     target_elf = env.BuildProgram()
     target_firm = env.ElfToHex(join("$BUILD_DIR", "${PROGNAME}"), target_elf)
+    if build_core == "teensy4":
+        target_firm = env.HexToEhex(join("$BUILD_DIR", "${PROGNAME}"), target_firm)
     env.Depends(target_firm, "checkprogsize")
 
 AlwaysBuild(env.Alias("nobuild", target_firm))