diff --git a/projects/duifei/duifei_basic/.gitignore b/projects/duifei/duifei_basic/.gitignore
new file mode 100644
index 00000000..d6f41494
--- /dev/null
+++ b/projects/duifei/duifei_basic/.gitignore
@@ -0,0 +1,131 @@
+################################################################################
+########################### Single Project Specific ############################
+################################################################################
+
+# ------------------------------------------------------------------------------
+# ------------------------------ Vivado Specific -------------------------------
+# ------------------------------------------------------------------------------
+
+# exclude everything in project directory
+project/**
+
+# include hardware manager projects and sources
+#   1. include `.hw` directory
+#   2. include everything in `.hw` directory
+!project/*.hw/
+!project/*.hw/**
+
+# include design run results
+#   1. include `*.runs` directory
+#   2. exclude everything in `.runs` directory
+#   3. include `.impl_*` directory
+#   4. include `*.bit` file in `.impl_*` directory
+#   5. include `*.ltx` file in `.impl_*` directory
+!/project/*.runs/
+/project/*.runs/**
+!/project/*.runs/impl_*/
+!/project/*.runs/impl_*/*.bit
+!/project/*.runs/impl_*/*.ltx
+
+# ------------------------------------------------------------------------------
+# -------------------------------- SDK Specific --------------------------------
+# ------------------------------------------------------------------------------
+
+# include sdk directory and everything in it
+!/project/*.sdk/
+!/project/*.sdk/**
+/project/*.sdk/**.log
+
+# exclude some obscure hidden SDK folders
+/project/*.sdk/.metadata/
+/project/*.sdk/.sdk/
+/project/*.sdk/RemoteSystemsTempFiles/
+/project/*.sdk/webtalk/
+
+# hw_platform: exclude the entire hw_platform folder, as everything can be
+# generated from the .hdf file. Make sure to include the bitstream in the .hdf
+# file when exporting from Vivado!
+/project/*.sdk/*_hw_platform_*/
+
+# BSP: only keep `.cproject`, `.project`, `.sdkproject`, `.system.mss` and
+# Makefile, ps lib files are regenerated automatically
+/project/*.sdk/*_bsp/*
+!/project/*.sdk/*_bsp/*.cproject
+!/project/*.sdk/*_bsp/*.project
+!/project/*.sdk/*_bsp/*.sdkproject
+!/project/*.sdk/*_bsp/system.mss
+!/project/*.sdk/*_bsp/Makefile
+
+# Application: ignored file patterns, exclude Debug & Release folders
+/project/*.sdk/**/*.o
+/project/*.sdk/**/*.d
+/project/*.sdk/**/*.a
+/project/*.sdk/*/Debug/
+/project/*.sdk/*/Release/
+
+
+################################################################################
+# ############################ Multi Project Specific ############################
+# ################################################################################
+
+# # ------------------------------------------------------------------------------
+# # ------------------------------ Vivado Specific -------------------------------
+# # ------------------------------------------------------------------------------
+
+# # exclude everything in project directory expect for top level directory
+# project/**
+# !/project/*/
+
+# # include hardware manager projects and sources
+# #   1. include `.hw` directory
+# #   2. include everything in `.hw` directory
+# !project/*/*.hw/
+# !project/*/*.hw/**
+
+# # include design run results
+# #   1. include `*.runs` directory
+# #   2. exclude everything in `.runs` directory
+# #   3. include `.impl_*` directory
+# #   4. include `*.bit` file in `.impl_*` directory
+# #   5. include `*.ltx` file in `.impl_*` directory
+# !/project/*/*.runs/
+# /project/*/*.runs/**
+# !/project/*/*.runs/impl_*/
+# !/project/*/*.runs/impl_*/*.bit
+# !/project/*/*.runs/impl_*/*.ltx
+
+# # ------------------------------------------------------------------------------
+# # -------------------------------- SDK Specific --------------------------------
+# # ------------------------------------------------------------------------------
+
+# # include sdk directory and everything in it
+# !/project/*/*.sdk/
+# !/project/*/*.sdk/**
+# /project/*/*.sdk/**.log
+
+# # exclude some obscure hidden SDK folders
+# /project/*/*.sdk/.metadata/
+# /project/*/*.sdk/.sdk/
+# /project/*/*.sdk/RemoteSystemsTempFiles/
+# /project/*/*.sdk/webtalk/
+
+# # hw_platform: exclude the entire hw_platform folder, as everything can be
+# # generated from the .hdf file. Make sure to include the bitstream in the .hdf
+# # file when exporting from Vivado!
+# /project/*/*.sdk/*_hw_platform_*/
+
+# # BSP: only keep `.cproject`, `.project`, `.sdkproject`, `.system.mss` and
+# # Makefile, ps lib files are regenerated automatically
+# /project/*/*.sdk/*_bsp/*
+# !/project/*/*.sdk/*_bsp/*.cproject
+# !/project/*/*.sdk/*_bsp/*.project
+# !/project/*/*.sdk/*_bsp/*.sdkproject
+# !/project/*/*.sdk/*_bsp/system.mss
+# !/project/*/*.sdk/*_bsp/Makefile
+
+# # Application: ignored file patterns, exclude Debug & Release folders
+# /project/*/*.sdk/**/*.o
+# /project/*/*.sdk/**/*.d
+# /project/*/*.sdk/**/*.a
+# /project/*/*.sdk/*/Debug/
+# /project/*/*.sdk/*/Release/
diff --git a/projects/duifei/duifei_cal_coarse/.gitignore b/projects/duifei/duifei_cal_coarse/.gitignore
new file mode 100644
index 00000000..d6f41494
--- /dev/null
+++ b/projects/duifei/duifei_cal_coarse/.gitignore
@@ -0,0 +1,131 @@
+################################################################################
+########################### Single Project Specific ############################
+################################################################################
+
+# ------------------------------------------------------------------------------
+# ------------------------------ Vivado Specific -------------------------------
+# ------------------------------------------------------------------------------
+
+# exclude everything in project directory
+project/**
+
+# include hardware manager projects and sources
+#   1. include `.hw` directory
+#   2. include everything in `.hw` directory
+!project/*.hw/
+!project/*.hw/**
+
+# include design run results
+#   1. include `*.runs` directory
+#   2. exclude everything in `.runs` directory
+#   3. include `.impl_*` directory
+#   4. include `*.bit` file in `.impl_*` directory
+#   5. include `*.ltx` file in `.impl_*` directory
+!/project/*.runs/
+/project/*.runs/**
+!/project/*.runs/impl_*/
+!/project/*.runs/impl_*/*.bit
+!/project/*.runs/impl_*/*.ltx
+
+# ------------------------------------------------------------------------------
+# -------------------------------- SDK Specific --------------------------------
+# ------------------------------------------------------------------------------
+
+# include sdk directory and everything in it
+!/project/*.sdk/
+!/project/*.sdk/**
+/project/*.sdk/**.log
+
+# exclude some obscure hidden SDK folders
+/project/*.sdk/.metadata/
+/project/*.sdk/.sdk/
+/project/*.sdk/RemoteSystemsTempFiles/
+/project/*.sdk/webtalk/
+
+# hw_platform: exclude the entire hw_platform folder, as everything can be
+# generated from the .hdf file. Make sure to include the bitstream in the .hdf
+# file when exporting from Vivado!
+/project/*.sdk/*_hw_platform_*/
+
+# BSP: only keep `.cproject`, `.project`, `.sdkproject`, `.system.mss` and
+# Makefile, ps lib files are regenerated automatically
+/project/*.sdk/*_bsp/*
+!/project/*.sdk/*_bsp/*.cproject
+!/project/*.sdk/*_bsp/*.project
+!/project/*.sdk/*_bsp/*.sdkproject
+!/project/*.sdk/*_bsp/system.mss
+!/project/*.sdk/*_bsp/Makefile
+
+# Application: ignored file patterns, exclude Debug & Release folders
+/project/*.sdk/**/*.o
+/project/*.sdk/**/*.d
+/project/*.sdk/**/*.a
+/project/*.sdk/*/Debug/
+/project/*.sdk/*/Release/
+
+
+################################################################################
+# ############################ Multi Project Specific ############################
+# ################################################################################
+
+# # ------------------------------------------------------------------------------
+# # ------------------------------ Vivado Specific -------------------------------
+# # ------------------------------------------------------------------------------
+
+# # exclude everything in project directory expect for top level directory
+# project/**
+# !/project/*/
+
+# # include hardware manager projects and sources
+# #   1. include `.hw` directory
+# #   2. include everything in `.hw` directory
+# !project/*/*.hw/
+# !project/*/*.hw/**
+
+# # include design run results
+# #   1. include `*.runs` directory
+# #   2. exclude everything in `.runs` directory
+# #   3. include `.impl_*` directory
+# #   4. include `*.bit` file in `.impl_*` directory
+# #   5. include `*.ltx` file in `.impl_*` directory
+# !/project/*/*.runs/
+# /project/*/*.runs/**
+# !/project/*/*.runs/impl_*/
+# !/project/*/*.runs/impl_*/*.bit
+# !/project/*/*.runs/impl_*/*.ltx
+
+# # ------------------------------------------------------------------------------
+# # -------------------------------- SDK Specific --------------------------------
+# # ------------------------------------------------------------------------------
+
+# # include sdk directory and everything in it
+# !/project/*/*.sdk/
+# !/project/*/*.sdk/**
+# /project/*/*.sdk/**.log
+
+# # exclude some obscure hidden SDK folders
+# /project/*/*.sdk/.metadata/
+# /project/*/*.sdk/.sdk/
+# /project/*/*.sdk/RemoteSystemsTempFiles/
+# /project/*/*.sdk/webtalk/
+
+# # hw_platform: exclude the entire hw_platform folder, as everything can be
+# # generated from the .hdf file. Make sure to include the bitstream in the .hdf
+# # file when exporting from Vivado!
+# /project/*/*.sdk/*_hw_platform_*/
+
+# # BSP: only keep `.cproject`, `.project`, `.sdkproject`, `.system.mss` and
+# # Makefile, ps lib files are regenerated automatically
+# /project/*/*.sdk/*_bsp/*
+# !/project/*/*.sdk/*_bsp/*.cproject
+# !/project/*/*.sdk/*_bsp/*.project
+# !/project/*/*.sdk/*_bsp/*.sdkproject
+# !/project/*/*.sdk/*_bsp/system.mss
+# !/project/*/*.sdk/*_bsp/Makefile
+
+# # Application: ignored file patterns, exclude Debug & Release folders
+# /project/*/*.sdk/**/*.o
+# /project/*/*.sdk/**/*.d
+# /project/*/*.sdk/**/*.a
+# /project/*/*.sdk/*/Debug/
+# /project/*/*.sdk/*/Release/