From 21ad1539417332820bf5bf544248ef59f4b3c072 Mon Sep 17 00:00:00 2001
From: Alex Voinea <voinea.dragos.alexandru@gmail.com>
Date: Mon, 20 Sep 2021 12:09:25 +0200
Subject: [PATCH] Add compile options

---
 CMakeLists.txt    |  2 +-
 lib/AddLufa.cmake | 21 +++++++++++++++++++--
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 77f51ad..714da3c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -91,7 +91,7 @@ if(CMAKE_CROSSCOMPILING)
   endif()
 
   # mcu related settings
-  set(MCU_FLAGS -mmcu=atmega32u4 -DF_CPU=16000000L -DF_USB=F_CPU)
+  set(MCU_FLAGS -mmcu=atmega32u4 -DF_CPU=16000000L)
   add_compile_options(${MCU_FLAGS})
   add_link_options(${MCU_FLAGS})
 
diff --git a/lib/AddLufa.cmake b/lib/AddLufa.cmake
index ec381d5..e162ec2 100644
--- a/lib/AddLufa.cmake
+++ b/lib/AddLufa.cmake
@@ -6,6 +6,23 @@ add_library(
   lufa/LUFA/Drivers/USB/Core/AVR8/USBInterrupt_AVR8.c
   lufa/LUFA/Drivers/USB/Core/ConfigDescriptors.c
   lufa/LUFA/Drivers/USB/Core/Events.c
-  )
+)
 
-target_compile_features(LUFA PUBLIC c_std_11)
+target_compile_definitions(LUFA PUBLIC
+  -D USB_DEVICE_ONLY
+  -D DEVICE_STATE_AS_GPIOR=0
+  -D ORDERED_EP_CONFIG
+  -D FIXED_CONTROL_ENDPOINT_SIZE=8
+  -D FIXED_NUM_CONFIGURATIONS=1
+  -D USE_RAM_DESCRIPTORS
+#  -D USE_STATIC_OPTIONS= "(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+  -D NO_INTERNAL_SERIAL
+  -D NO_DEVICE_SELF_POWER
+  -D NO_DEVICE_REMOTE_WAKEUP
+  -D NO_SOF_EVENTS
+  -D F_USB=F_CPU
+  -D DEVICE_VID=0x2C99
+  -D DEVICE_PID=0x0003 #could also be 0x0004. TBD.
+)
+
+target_compile_features(LUFA PUBLIC c_std_99)