diff --git a/.vscode/settings.json b/.vscode/settings.json
index 8ce71ce..d693bc8 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -6,6 +6,12 @@
         "gd32f4xx_adc.h": "c",
         "drv_adc.h": "c",
         "gd32f4xx.h": "c",
-        "gd32f4xx_dma.h": "c"
+        "gd32f4xx_dma.h": "c",
+        "tmp75.h": "c",
+        "gd32f4xx_misc.h": "c",
+        "rtthread.h": "c",
+        "rthw.h": "c",
+        "delay_us.h": "c",
+        "core_cm4.h": "c"
     }
 }
\ No newline at end of file
diff --git a/EWARM/Project.code-workspace b/EWARM/Project.code-workspace
new file mode 100644
index 0000000..c0a9446
--- /dev/null
+++ b/EWARM/Project.code-workspace
@@ -0,0 +1,8 @@
+{
+    "folders": [
+        {
+            "name": "Project",
+            "path": "Project"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/EWARM/Project.ewp b/EWARM/Project.ewp
index 1e3623c..14f936a 100644
--- a/EWARM/Project.ewp
+++ b/EWARM/Project.ewp
@@ -358,6 +358,8 @@
                     <state>$PROJ_DIR$\..\rtthread\include\libc</state>
                     <state>$PROJ_DIR$\..\rtthread\include</state>
                     <state>D:\git\newPtz\drivers</state>
+                    <state>D:\git\newPtz\drivers\tmp75</state>
+                    <state>D:\git\newPtz\drivers\mb85rc64</state>
                 </option>
                 <option>
                     <name>CCStdIncCheck</name>
@@ -2198,18 +2200,30 @@
     </group>
     <group>
         <name>drivers</name>
+        <group>
+            <name>mb85rc64</name>
+            <file>
+                <name>$PROJ_DIR$\..\drivers\mb85rc64\mb85rc64.c</name>
+            </file>
+        </group>
+        <group>
+            <name>tmp75</name>
+            <file>
+                <name>$PROJ_DIR$\..\drivers\tmp75\tmp75.c</name>
+            </file>
+        </group>
+        <file>
+            <name>$PROJ_DIR$\..\drivers\delay_us.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\drivers\delay_us.h</name>
+        </file>
         <file>
             <name>$PROJ_DIR$\..\drivers\drv_adc.c</name>
         </file>
         <file>
             <name>$PROJ_DIR$\..\drivers\drv_adc.h</name>
         </file>
-        <file>
-            <name>$PROJ_DIR$\..\drivers\drv_i2c.c</name>
-        </file>
-        <file>
-            <name>$PROJ_DIR$\..\drivers\drv_i2c.h</name>
-        </file>
         <file>
             <name>$PROJ_DIR$\..\drivers\drv_usart.c</name>
         </file>
diff --git a/EWARM/Project.ewt b/EWARM/Project.ewt
index 3f91dc4..f084d51 100644
--- a/EWARM/Project.ewt
+++ b/EWARM/Project.ewt
@@ -2871,18 +2871,30 @@
     </group>
     <group>
         <name>drivers</name>
+        <group>
+            <name>mb85rc64</name>
+            <file>
+                <name>$PROJ_DIR$\..\drivers\mb85rc64\mb85rc64.c</name>
+            </file>
+        </group>
+        <group>
+            <name>tmp75</name>
+            <file>
+                <name>$PROJ_DIR$\..\drivers\tmp75\tmp75.c</name>
+            </file>
+        </group>
+        <file>
+            <name>$PROJ_DIR$\..\drivers\delay_us.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\drivers\delay_us.h</name>
+        </file>
         <file>
             <name>$PROJ_DIR$\..\drivers\drv_adc.c</name>
         </file>
         <file>
             <name>$PROJ_DIR$\..\drivers\drv_adc.h</name>
         </file>
-        <file>
-            <name>$PROJ_DIR$\..\drivers\drv_i2c.c</name>
-        </file>
-        <file>
-            <name>$PROJ_DIR$\..\drivers\drv_i2c.h</name>
-        </file>
         <file>
             <name>$PROJ_DIR$\..\drivers\drv_usart.c</name>
         </file>
diff --git a/EWARM/Project/.clang-format b/EWARM/Project/.clang-format
new file mode 100644
index 0000000..9a6a19f
--- /dev/null
+++ b/EWARM/Project/.clang-format
@@ -0,0 +1,20 @@
+# For more options, open this url: https://clang.llvm.net.cn/docs/ClangFormatStyleOptions.html
+---
+BasedOnStyle: Microsoft
+IndentWidth: 4
+UseTab: Never
+TabWidth: 4
+ColumnLimit: 0
+---
+Language: Cpp
+AccessModifierOffset: -4
+NamespaceIndentation: All
+FixNamespaceComments: false
+BreakBeforeBraces: Linux
+AllowShortIfStatementsOnASingleLine: true
+AllowShortLoopsOnASingleLine: true
+AllowShortBlocksOnASingleLine: true
+IndentCaseLabels: true
+SortIncludes: false
+AlignConsecutiveMacros: AcrossEmptyLines
+AlignConsecutiveAssignments: Consecutive
diff --git a/EWARM/Project/.eide/eide.json b/EWARM/Project/.eide/eide.json
new file mode 100644
index 0000000..420531b
--- /dev/null
+++ b/EWARM/Project/.eide/eide.json
@@ -0,0 +1,393 @@
+{
+  "name": "Project",
+  "type": "ARM",
+  "dependenceList": [],
+  "srcDirs": [],
+  "virtualFolder": {
+    "name": "<virtual_root>",
+    "folders": [
+      {
+        "name": "Application",
+        "files": [],
+        "folders": [
+          {
+            "name": "main",
+            "files": [
+              {
+                "path": "${PROJ_DIR}/../applications/main/gd32f4xx_it.c"
+              },
+              {
+                "path": "${PROJ_DIR}/../applications/main/main.c"
+              }
+            ],
+            "folders": []
+          }
+        ]
+      },
+      {
+        "name": "CMSIS",
+        "files": [
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/CMSIS/GD/GD32F4xx/Source/system_gd32f4xx.c"
+          }
+        ],
+        "folders": []
+      },
+      {
+        "name": "drivers",
+        "files": [
+          {
+            "path": "${PROJ_DIR}/../drivers/drv_adc.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../drivers/drv_adc.h"
+          },
+          {
+            "path": "${PROJ_DIR}/../drivers/drv_i2c.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../drivers/drv_i2c.h"
+          },
+          {
+            "path": "${PROJ_DIR}/../drivers/drv_usart.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../drivers/drv_usart.h"
+          }
+        ],
+        "folders": []
+      },
+      {
+        "name": "GD32F4xx_Peripherals",
+        "files": [
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_adc.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_can.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_crc.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_ctc.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_dac.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_dbg.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_dci.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_dma.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_enet.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_exmc.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_exti.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_fmc.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_fwdgt.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_gpio.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_i2c.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_ipa.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_iref.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_misc.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_pmu.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_rcu.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_rtc.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_sdio.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_spi.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_syscfg.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_timer.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_tli.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_trng.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_usart.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Source/gd32f4xx_wwdgt.c"
+          }
+        ],
+        "folders": []
+      },
+      {
+        "name": "rtthread",
+        "files": [
+          {
+            "path": "${PROJ_DIR}/../rtthread/board.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/src/clock.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/src/components.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/libcpu/arm/cortex-m4/context_iar.S"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/src/cpu.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/libcpu/arm/cortex-m4/cpuport.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/src/idle.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/src/ipc.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/src/irq.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/src/kservice.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/src/mem.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/src/memheap.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/src/mempool.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/src/object.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/src/scheduler.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/src/slab.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/src/thread.c"
+          },
+          {
+            "path": "${PROJ_DIR}/../rtthread/src/timer.c"
+          }
+        ],
+        "folders": []
+      },
+      {
+        "name": "Startup",
+        "files": [
+          {
+            "path": "${PROJ_DIR}/../GD32F4xx_Firmware_Library/CMSIS/GD/GD32F4xx/Source/IAR/startup_gd32f450_470.s"
+          }
+        ],
+        "folders": []
+      }
+    ],
+    "files": []
+  },
+  "outDir": "build",
+  "deviceName": null,
+  "packDir": null,
+  "miscInfo": {
+    "uid": "9d6b5f7fe902100f657674335b6bec3d"
+  },
+  "targets": {
+    "Debug": {
+      "excludeList": [],
+      "toolchain": "IAR_ARM",
+      "compileConfig": {
+        "cpuType": "Cortex-M3",
+        "archExtensions": "",
+        "floatingPointHardware": "none",
+        "scatterFilePath": "unknown",
+        "useCustomScatterFile": true,
+        "storageLayout": {
+          "RAM": [],
+          "ROM": []
+        },
+        "options": "null"
+      },
+      "uploader": "JLink",
+      "uploadConfig": {
+        "bin": "",
+        "baseAddr": "",
+        "cpuInfo": {
+          "vendor": "null",
+          "cpuName": "null"
+        },
+        "proType": 1,
+        "speed": 8000,
+        "otherCmds": ""
+      },
+      "uploadConfigMap": {},
+      "custom_dep": {
+        "name": "default",
+        "incList": [
+          "${PROJ_DIR}/../GD32F4xx_Firmware_Library/CMSIS",
+          "${PROJ_DIR}/../GD32F4xx_Firmware_Library/GD32F4xx_standard_peripheral/Include",
+          "${PROJ_DIR}/../GD32F4xx_Firmware_Library/CMSIS/GD/GD32F4xx/Include",
+          "${PROJ_DIR}/../GD32F4xx_Firmware_Library/CMSIS/GD",
+          "${PROJ_DIR}/../applications/main",
+          "${PROJ_DIR}/../rtthread",
+          "${PROJ_DIR}/../rtthread/include/libc",
+          "${PROJ_DIR}/../rtthread/include",
+          "../../drivers"
+        ],
+        "libList": [],
+        "defineList": [
+          "USE_STDPERIPH_DRIVER",
+          "GD32F470"
+        ]
+      },
+      "builderOptions": {
+        "IAR_ARM": {
+          "version": 1,
+          "beforeBuildTasks": [],
+          "afterBuildTasks": [],
+          "global": {
+            "endian-mode": "little",
+            "runtime-lib": "full",
+            "printf-formatter": "auto",
+            "scanf-formatter": "auto",
+            "output-debug-info": "enable"
+          },
+          "c/cpp-compiler": {
+            "optimization": "low",
+            "destroy-cpp-static-object": true,
+            "language-c": "c99",
+            "language-conformance": "IAR-extensions",
+            "floating-point-semantics": "strict",
+            "misc-controls": ""
+          },
+          "asm-compiler": {
+            "case-sensitive-user-symbols": true,
+            "defines": []
+          },
+          "linker": {
+            "$outputTaskExcludes": [
+              ".bin"
+            ],
+            "output-format": "elf",
+            "auto-search-runtime-lib": true,
+            "perform-cpp-virtual-func-elimination": "enable",
+            "config-defines": [],
+            "LIB_FLAGS": [],
+            "misc-controls": ""
+          }
+        }
+      }
+    },
+    "Release": {
+      "excludeList": [],
+      "toolchain": "IAR_ARM",
+      "compileConfig": {
+        "cpuType": "Cortex-M3",
+        "archExtensions": "",
+        "floatingPointHardware": "none",
+        "scatterFilePath": "unknown",
+        "useCustomScatterFile": true,
+        "storageLayout": {
+          "RAM": [],
+          "ROM": []
+        },
+        "options": "null"
+      },
+      "uploader": "JLink",
+      "uploadConfig": {
+        "bin": "",
+        "baseAddr": "",
+        "cpuInfo": {
+          "vendor": "null",
+          "cpuName": "null"
+        },
+        "proType": 1,
+        "speed": 8000,
+        "otherCmds": ""
+      },
+      "uploadConfigMap": {},
+      "custom_dep": {
+        "name": "default",
+        "incList": [],
+        "defineList": [
+          "NDEBUG"
+        ],
+        "libList": []
+      },
+      "builderOptions": {
+        "IAR_ARM": {
+          "version": 1,
+          "beforeBuildTasks": [],
+          "afterBuildTasks": [],
+          "global": {
+            "endian-mode": "little",
+            "runtime-lib": "normal",
+            "printf-formatter": "auto",
+            "scanf-formatter": "auto",
+            "output-debug-info": "enable"
+          },
+          "c/cpp-compiler": {
+            "optimization": "high",
+            "destroy-cpp-static-object": true,
+            "language-c": "c99",
+            "language-conformance": "IAR-extensions",
+            "floating-point-semantics": "strict",
+            "misc-controls": ""
+          },
+          "asm-compiler": {
+            "case-sensitive-user-symbols": true,
+            "defines": []
+          },
+          "linker": {
+            "$outputTaskExcludes": [
+              ".bin"
+            ],
+            "output-format": "elf",
+            "auto-search-runtime-lib": true,
+            "perform-cpp-virtual-func-elimination": "enable",
+            "config-defines": [],
+            "LIB_FLAGS": [],
+            "misc-controls": ""
+          }
+        }
+      }
+    }
+  },
+  "version": "3.6"
+}
\ No newline at end of file
diff --git a/EWARM/Project/.eide/env.ini b/EWARM/Project/.eide/env.ini
new file mode 100644
index 0000000..024927a
--- /dev/null
+++ b/EWARM/Project/.eide/env.ini
@@ -0,0 +1,8 @@
+###########################################################
+#              project environment variables
+###########################################################
+
+PROJ_NAME = Project
+PROJ_PATH = d:\git\newPtz\EWARM\Project.ewp
+PROJ_DIR = ..
+PROJ_FNAME = Project.ewp
\ No newline at end of file
diff --git a/EWARM/Project/.eide/files.options.yml b/EWARM/Project/.eide/files.options.yml
new file mode 100644
index 0000000..269f4d6
--- /dev/null
+++ b/EWARM/Project/.eide/files.options.yml
@@ -0,0 +1,20 @@
+##########################################################################################
+#                        Append Compiler Options For Source Files
+##########################################################################################
+
+# syntax:
+#   <your pattern>: <compiler options>
+# For get pattern syntax, please refer to: https://www.npmjs.com/package/micromatch
+#
+# examples:
+#   'main.cpp':           --cpp11 -Og ...
+#   'src/*.c':            -gnu -O2 ...
+#   'src/lib/**/*.cpp':   --cpp11 -Os ...
+#   '!Application/*.c':   -O0
+#   '**/*.c':             -O2 -gnu ...
+
+version: "2.1"
+options:
+    Debug:
+        files: {}
+        virtualPathFiles: {}
diff --git a/EWARM/Project/.gitignore b/EWARM/Project/.gitignore
new file mode 100644
index 0000000..c2f4ce9
--- /dev/null
+++ b/EWARM/Project/.gitignore
@@ -0,0 +1,15 @@
+# dot files
+/.vscode/launch.json
+/.settings
+/.eide/log
+/.eide.usr.ctx.json
+
+# project out
+/build
+/bin
+/obj
+/out
+
+# eide template
+*.ept
+*.eide-template
diff --git a/EWARM/Project/.vscode/tasks.json b/EWARM/Project/.vscode/tasks.json
new file mode 100644
index 0000000..3e192b9
--- /dev/null
+++ b/EWARM/Project/.vscode/tasks.json
@@ -0,0 +1,40 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build",
+            "type": "shell",
+            "command": "${command:eide.project.build}",
+            "group": "build",
+            "problemMatcher": []
+        },
+        {
+            "label": "flash",
+            "type": "shell",
+            "command": "${command:eide.project.uploadToDevice}",
+            "group": "build",
+            "problemMatcher": []
+        },
+        {
+            "label": "build and flash",
+            "type": "shell",
+            "command": "${command:eide.project.buildAndFlash}",
+            "group": "build",
+            "problemMatcher": []
+        },
+        {
+            "label": "rebuild",
+            "type": "shell",
+            "command": "${command:eide.project.rebuild}",
+            "group": "build",
+            "problemMatcher": []
+        },
+        {
+            "label": "clean",
+            "type": "shell",
+            "command": "${command:eide.project.clean}",
+            "group": "build",
+            "problemMatcher": []
+        }
+    ]
+}
\ No newline at end of file
diff --git a/EWARM/Project/Project.code-workspace b/EWARM/Project/Project.code-workspace
new file mode 100644
index 0000000..0142226
--- /dev/null
+++ b/EWARM/Project/Project.code-workspace
@@ -0,0 +1,48 @@
+{
+    "folders": [
+        {
+            "path": "."
+        }
+    ],
+    "settings": {
+        "terminal.integrated.shellIntegration.enabled": false,
+        "clangd.arguments": [
+            "--header-insertion=never"
+        ],
+        "files.autoGuessEncoding": true,
+        "C_Cpp.default.configurationProvider": "cl.eide",
+        "C_Cpp.errorSquiggles": "disabled",
+        "files.associations": {
+            ".eideignore": "ignore",
+            "*.a51": "a51",
+            "*.h": "c",
+            "*.c": "c",
+            "*.hxx": "cpp",
+            "*.hpp": "cpp",
+            "*.c++": "cpp",
+            "*.cpp": "cpp",
+            "*.cxx": "cpp",
+            "*.cc": "cpp"
+        },
+        "[yaml]": {
+            "editor.insertSpaces": true,
+            "editor.tabSize": 4,
+            "editor.autoIndent": "advanced"
+        }
+    },
+    "extensions": {
+        "recommendations": [
+            "cl.eide",
+            "keroc.hex-fmt",
+            "xiaoyongdong.srecord",
+            "hars.cppsnippets",
+            "zixuanwang.linkerscript",
+            "redhat.vscode-yaml",
+            "IBM.output-colorizer",
+            "cschlosser.doxdocgen",
+            "ms-vscode.vscode-serial-monitor",
+            "dan-c-underwood.arm",
+            "marus25.cortex-debug"
+        ]
+    }
+}
\ No newline at end of file
diff --git a/GD32F4xx_Firmware_Library/CMSIS/GD/GD32F4xx/Include/gd32f4xx.h b/GD32F4xx_Firmware_Library/CMSIS/GD/GD32F4xx/Include/gd32f4xx.h
index d19277d..13b75a9 100644
--- a/GD32F4xx_Firmware_Library/CMSIS/GD/GD32F4xx/Include/gd32f4xx.h
+++ b/GD32F4xx_Firmware_Library/CMSIS/GD/GD32F4xx/Include/gd32f4xx.h
@@ -58,7 +58,8 @@
 
 /* define value of high speed crystal oscillator (HXTAL) in Hz */
 #if !defined  (HXTAL_VALUE)
-#define HXTAL_VALUE    ((uint32_t)25000000)
+// #define HXTAL_VALUE    ((uint32_t)25000000)
+#define HXTAL_VALUE    ((uint32_t)8000000)
 #endif /* high speed crystal oscillator value */
 
 /* define startup timeout value of high speed crystal oscillator (HXTAL) */
diff --git a/applications/main/main.c b/applications/main/main.c
index 3e35bc2..c6bf304 100644
--- a/applications/main/main.c
+++ b/applications/main/main.c
@@ -36,13 +36,26 @@ OF SUCH DAMAGE.
 #include <stdio.h>
 #include "rtthread.h"
 #include "rtservice.h"
-#include <stdio.h> // FILE 类是一个结构体，在 stdio.h 头文件中
 #include "drv_adc.h"
+#include "mb85rc64.h"
+
 
 float voltage;
 float current;
 float current_origin;
 float adc_value;
+float tmp;
+char tiedian_id[3]={0};
+
+typedef struct _MB85TEST_ 
+{
+	char ttt;
+	float ggg;
+}MB85TEST;
+
+MB85TEST ttest;
+
+#define MB85TEST_ADD	0x0400
 
 /*!
     \brief      main function
@@ -55,16 +68,39 @@ int main(void)
     // RT-Thread 内核初始化等操作...
         
     // 其他应用程序初始化代码...
-    init_data_collect_module();
+    adc_config();
+    temp75_gpio_init();
+	//测试mb铁电读写
+	memset(&ttest, 0, sizeof(ttest));
+	// mb85rc64_page_write();
+	mb85rc64_add_read(MB85TEST_ADD, (unsigned char *)&ttest, sizeof(ttest));
+
+	ttest.ttt += 3;
+	ttest.ggg /= 18;
+	mb85rc64_page_write(MB85TEST_ADD, (unsigned char *)&ttest, sizeof(ttest));
+
     // 进入主循环或启动其他任务
     while (1) 
     {
-        // voltage = ptz_Voltage_collect_adc1_task();
-        // current = ptz_Current_collect_adc1_task();
-        adc_value = ptz_adc1_collect_task();
+
+        voltage = ptz_Voltage_collect_adc1_task();
 
         // current_origin = current*0.132 + 3.3/2;
         rt_thread_mdelay(500);
+
+        current = ptz_Current_collect_adc1_task();
+
+        rt_thread_mdelay(500);
+
+        tmp = ptz_temperature_collect_tmp75_task();
+		
+		//测试mb铁电读写
+        read_mb_id((uint8_t*)&tiedian_id);//读取铁电ID
+
+		memset(&ttest, 0, sizeof(ttest));
+		// mb85rc64_page_write();
+		mb85rc64_add_read(MB85TEST_ADD, (unsigned char *)&ttest, sizeof(ttest));
+		
         // 主循环代码...
     }
 }
\ No newline at end of file
diff --git a/drivers/deepseek_mermaid_20250915_c716d2.png b/drivers/deepseek_mermaid_20250915_c716d2.png
new file mode 100644
index 0000000..b2953a0
Binary files /dev/null and b/drivers/deepseek_mermaid_20250915_c716d2.png differ
diff --git a/drivers/delay_us.c b/drivers/delay_us.c
new file mode 100644
index 0000000..adf081f
--- /dev/null
+++ b/drivers/delay_us.c
@@ -0,0 +1,23 @@
+// #include "delay_us.h"
+// #include "rtthread.h"
+// #include <core_cm4.h>
+// #include "gd32f4xx_gpio.h"
+
+// /*
+//   @ brief  延时函数
+//   @ param
+//   @ return
+//   @ note   2022-5-23
+// */
+// static void delay_us(int us)
+// {
+//     rt_uint32_t start, now, delta, reload, us_tick;
+//     start = SysTick->VAL;
+//     reload = SysTick->LOAD;
+//     us_tick = SystemCoreClock / 1000000UL;
+//     do
+//     {
+//       now = SysTick->VAL;
+//       delta = start > now ? start - now : reload + start - now;
+//     } while (delta < us_tick * us);
+// }
diff --git a/drivers/delay_us.h b/drivers/delay_us.h
new file mode 100644
index 0000000..bcfb3cd
--- /dev/null
+++ b/drivers/delay_us.h
@@ -0,0 +1,8 @@
+// #ifndef __TMP75_H_
+// #define __TMP75_H_
+
+
+// static void delay_us(int us);
+
+
+// #endif
\ No newline at end of file
diff --git a/drivers/drv_adc.c b/drivers/drv_adc.c
index 7cc0c72..6ce68e7 100644
--- a/drivers/drv_adc.c
+++ b/drivers/drv_adc.c
@@ -1,4 +1,18 @@
+/************************************************************
+  Copyright (C), 2025, cerlink Tech. Co., Ltd.
+  FileName: test.cpp
+  Author:   dufresne     Version :  1.0        Date:2025.09.15
+  Description:     // 模块描述      
+  Version:         // 版本信息
+  Function List:   // 主要函数及其功能
+    1. -------
+  History:         // 历史修改记录
+      <author>  <time>   <version >   <desc>
+      David    96/10/12     1.0     build this moudle  
+***********************************************************/
+
 #include "drv_adc.h"
+#include "tmp75.h"
 #include "stdlib.h"
 #include "string.h"
 #include "gd32f4xx.h"
@@ -7,58 +21,18 @@
 #include "rtthread.h"
 
 
-
-void init_data_collect_module(void)
-{
-    adc_gpio_config();
-    adc_config();
-}
-
-void adc_gpio_config(void)
+void adc_config(void)
 {
     /* 启用GPIOA时钟 */
     rcu_periph_clock_enable(RCU_GPIOC);
     /* 启用ADC0时钟 */
     rcu_periph_clock_enable(RCU_ADC1);
 
-    adc_clock_config(ADC_ADCCK_PCLK2_DIV4);
 
-
-    /* 配置ADC引脚为模拟输入模式 */
-    gpio_mode_set(ADC_GPIO_PORT, GPIO_MODE_ANALOG, GPIO_PUPD_NONE, VOLTAGE_ADC_PIN);
-    gpio_mode_set(ADC_GPIO_PORT, GPIO_MODE_ANALOG, GPIO_PUPD_NONE, CURRENT_ADC_PIN);
-}
-
-
-
-void adc_config(void)
-{
     // 复位ADC配置（可选，但建议初始化时做一次）
     adc_deinit();
 
-    // 配置数据对齐方式为右对齐
-    adc_data_alignment_config(ADCX, ADC_DATAALIGN_RIGHT);
-
-    // 配置ADC分辨率：12位
-    adc_resolution_config(ADCX, ADC_RESOLUTION_12B);
-
-    /* ########## 设置转换通道序列 ########## */
-    // 配置规则序列的长度：2个通道
-    adc_channel_length_config(ADCX, ADC_ROUTINE_CHANNEL, ADC_CHANNEL_NUM);
-
-    // 配置规则序列：序号0是电压通道，序号1是电流通道
-    adc_routine_channel_config(ADCX, 0, VOLTAGE_ADC_CHANNEL, ADC_SAMPLETIME_480);
-    adc_routine_channel_config(ADCX, 1, CURRENT_ADC_CHANNEL, ADC_SAMPLETIME_480);
-
-
-    // 打开扫描模式
-    adc_special_function_config(ADCX, ADC_SCAN_MODE, ENABLE);
-    
-    // 禁止连续模式 -> 单次转换模式
-    adc_special_function_config(ADCX, ADC_CONTINUOUS_MODE, ENABLE);
-
-    // 使能外部触发：这里使用软件触发，所以先禁用硬件触发
-    adc_external_trigger_config(ADCX, ADC_ROUTINE_CHANNEL, DISABLE);
+    // adc_clock_config(ADC_ADCCK_PCLK2_DIV4);
 
     // 开启ADC
     adc_enable(ADCX);
@@ -69,19 +43,47 @@ void adc_config(void)
     // 执行ADC自校准
     adc_calibration_enable(ADCX);
 
-    // 软件触发使能
-    adc_software_trigger_enable(ADCX, ADC_ROUTINE_CHANNEL);
+    adc_clock_config(ADC_ADCCK_PCLK2_DIV4);
+
+    /* 配置ADC引脚为模拟输入模式 */
+    gpio_mode_set(ADC_GPIO_PORT, GPIO_MODE_ANALOG, GPIO_PUPD_NONE, VOLTAGE_ADC_PIN);
+    gpio_mode_set(ADC_GPIO_PORT, GPIO_MODE_ANALOG, GPIO_PUPD_NONE, CURRENT_ADC_PIN);
+
+    // 配置数据对齐方式为右对齐
+    adc_data_alignment_config(ADCX, ADC_DATAALIGN_RIGHT);
+
+    // 配置ADC分辨率：12位
+    adc_resolution_config(ADCX, ADC_RESOLUTION_12B);
+
+    // 打开扫描模式
+    adc_special_function_config(ADCX, ADC_SCAN_MODE, ENABLE);
+    
+    // 禁止连续模式 -> 单次转换模式
+    adc_special_function_config(ADCX, ADC_CONTINUOUS_MODE, DISABLE);
+
+    /* ########## 设置转换通道序列 ########## */
+    // 配置规则序列的长度：1个通道
+    adc_channel_length_config(ADCX, ADC_ROUTINE_CHANNEL, ADC_CHANNEL_NUM);
+
 }
 
 
 
-
-// adc采集
-float ptz_adc1_collect_task()
+// adc电压采集
+float ptz_Voltage_collect_adc1_task()
 {
-    // static float adc1_v[LB_TIMES];
-    // static float curadc1_out;
-    // static uint8_t adc1_num = 0;
+    // 配置规则序列：序号0是电压通道，序号1是电流通道
+    adc_routine_channel_config(ADCX, 0, VOLTAGE_ADC_CHANNEL, ADC_SAMPLETIME_480);
+
+    // 使能外部触发：这里使用软件触发，所以先禁用硬件触发
+    adc_external_trigger_config(ADCX, ADC_ROUTINE_CHANNEL, DISABLE);
+    // 软件触发使能
+    adc_software_trigger_enable(ADCX, ADC_ROUTINE_CHANNEL);
+
+
+    static float adc1_v[LB_V_TIMES];
+    static float curadc1_out_v;
+    static uint8_t adc1_v_num;
     int j,k;
     float tem;
     float curadc1;
@@ -90,89 +92,130 @@ float ptz_adc1_collect_task()
     while(adc_flag_get(ADCX, ADC_FLAG_EOC) == RESET); // 等待转换结束
     value_V = adc_routine_data_read(ADCX); // 读取规则组数据寄存器
 
-    // ... 后面的中位值平均滤波处理保持不变 ...
-    // *11，硬件需要    
-    // adc1_v[adc1_num] = (float)value_V / 4096.0 * 3.3; // 间接测量，11倍分压/放大
-    curadc1 = (float)value_V / 4095.0 * 3.3; // 间接测量，11倍分压/放大
-    
-    // ... 
 
-    // adc1_num++;
-    // if(adc1_num >= LB_TIMES)
-    // {
-    //     adc1_num = 0;
-    //     for(j = 0; j < LB_TIMES-1; j++)//采样值由小到大排列
-    //     {
-    //         for(k = 0; k < LB_TIMES-j-1; k++)
-    //         {
-    //             if(adc1_v[k] > adc1_v[k+1])
-    //             {
-    //                 tem         = adc1_v[k];
-    //                 adc1_v[k]   = adc1_v[k+1];
-    //                 adc1_v[k+1] = tem;
-    //             }
-    //         }
-    //     }
-    //     for(uint8_t i = 1; i < LB_TIMES - 1; i++)
-    //     {
-    //         curadc1 = curadc1 + adc1_v[i];
-    //     }
-    //     curadc1 = curadc1 /((float)(LB_TIMES - 2));//去掉一个最大值和一个最小值求平均值
-    //     // g_ptz.Voltage =  curadc1;
-    //     memset(adc1_v, 0, sizeof(adc1_v));//adc1_v 快速清零
-    //     curadc1_out = curadc1;
-    // }
 
-    // return curadc1_out;
-    return curadc1;
+    /* 间接测量，11倍分压/放大 */
+    adc1_v[adc1_v_num] = (float)value_V / 4095.0 * 3.3;
+
+    adc1_v_num++;
+    if(adc1_v_num >= LB_V_TIMES)
+    {
+        adc1_v_num = 0;
+        for(j = 0; j < LB_V_TIMES-1; j++)//采样值由小到大排列
+        {
+            for(k = 0; k < LB_V_TIMES-j-1; k++)
+            {
+                if(adc1_v[k] > adc1_v[k+1])
+                {
+                    tem         = adc1_v[k];
+                    adc1_v[k]   = adc1_v[k+1];
+                    adc1_v[k+1] = tem;
+                }
+            }
+        }
+        for(uint8_t i = 1; i < LB_V_TIMES - 1; i++)
+        {
+            curadc1 = curadc1 + adc1_v[i];
+        }
+        curadc1 = curadc1 /((float)(LB_V_TIMES - 2));//去掉一个最大值和一个最小值求平均值
+        // g_ptz.Voltage =  curadc1;
+        memset(adc1_v, 0, sizeof(adc1_v));//adc1_v 快速清零
+        curadc1_out_v = curadc1;
+    }
+    return curadc1_out_v;
 }
 
-// //电流采集
-// float ptz_Current_collect_adc1_task()
-// {
-//     static float adc1_i[LB_TIMES];
-//     static float curadc0_out;
-//     static uint8_t adc0_num;
-//     int j,k;
-//     float tem;
-//     float curadc0;
-//     uint16_t value_I;
 
-//     adc_software_trigger_enable(ADCX,ADC_ROUTINE_CHANNEL);
-//     // adc_software_trigger_enable(ADCX,ADC_INSERTED_CHANNEL);
-    
-//     // while(adc_flag_get(ADCX, ADC_FLAG_EOC) == RESET); // 等待转换结束
+// adc电流采集
+float ptz_Current_collect_adc1_task()
+{
+    // 配置规则序列：序号0是电压通道，序号1是电流通道
+    adc_routine_channel_config(ADCX, 0, CURRENT_ADC_CHANNEL, ADC_SAMPLETIME_480);
 
-//     value_I = adc_routine_data_read(ADCX); // 读取规则组数据寄存器
-//     // value_I = adc_inserted_data_read(ADCX, CURRENT_ADC_CHANNEL); // 读取规则组数据寄存器
-
-//     adc1_i[adc0_num] = (((float)value_I / 4095.0  * 3.3)-3.3/2) / 0.132;//(float)value_I;//
-
-//     adc0_num ++;
-//     if(adc0_num >= LB_TIMES)
-//     {
-//         adc0_num = 0;
-//         for(j = 0; j < LB_TIMES-1; j++)//采样值由小到大排列
-//         {
-//             for(k = 0; k < LB_TIMES-j-1; k++)
-//             {
-//                 if(adc1_i[k] > adc1_i[k+1])
-//                 {
-//                     tem         = adc1_i[k];
-//                     adc1_i[k]   = adc1_i[k+1];
-//                     adc1_i[k+1] = tem;
-//                 }
-//             }
-//         }
-//         for(uint8_t i = 1; i < LB_TIMES - 1; i++)
-//         {
-//             curadc0 = curadc0 + adc1_i[i];
-//         }
-//         curadc0 = curadc0 /((float)(LB_TIMES - 2));//去掉一个最大值和一个最小值求平均值
-//         memset(adc1_i, 0, sizeof(adc1_i));
-//         curadc0_out = curadc0;
-//     }
-//     return curadc0_out;
-// }
+    // 使能外部触发：这里使用软件触发，所以先禁用硬件触发
+    adc_external_trigger_config(ADCX, ADC_ROUTINE_CHANNEL, DISABLE);
+    // 软件触发使能
+    adc_software_trigger_enable(ADCX, ADC_ROUTINE_CHANNEL);
 
 
+    static float adc1_i[LB_I_TIMES];
+    static float curadc1_out_i;
+    static uint8_t adc1_i_num;
+    int j,k;
+    float tem;
+    float curadc1;
+    uint16_t value_I = 0;
+
+    while(adc_flag_get(ADCX, ADC_FLAG_EOC) == RESET); // 等待转换结束
+    value_I = adc_routine_data_read(ADCX); // 读取规则组数据寄存器
+
+    /* 间接测量，11倍分压/放大 */
+    adc1_i[adc1_i_num] = (((float)value_I / 4096.0  * 3.3) - 3.3 / 2) / 0.132;
+
+    adc1_i_num++;
+    if(adc1_i_num >= LB_I_TIMES)
+    {
+        adc1_i_num = 0;
+        for(j = 0; j < LB_I_TIMES-1; j++)//采样值由小到大排列
+        {
+            for(k = 0; k < LB_I_TIMES-j-1; k++)
+            {
+                if(adc1_i[k] > adc1_i[k+1])
+                {
+                    tem         = adc1_i[k];
+                    adc1_i[k]   = adc1_i[k+1];
+                    adc1_i[k+1] = tem;
+                }
+            }
+        }
+        for(uint8_t i = 1; i < LB_I_TIMES - 1; i++)
+        {
+            curadc1 = curadc1 + adc1_i[i];
+        }
+        curadc1 = curadc1 /((float)(LB_I_TIMES - 2));//去掉一个最大值和一个最小值求平均值
+        // g_ptz.Voltage =  curadc1;
+        memset(adc1_i, 0, sizeof(adc1_i));//adc1_i 快速清零
+        curadc1_out_i = curadc1;
+    }
+
+    return curadc1_out_i;
+}
+
+
+//温度采集
+float ptz_temperature_collect_tmp75_task()
+{
+    static float tmp75[5];
+    static unsigned char tmp75_num;
+    static float curtmp75_out;
+    float curtmp75;
+    float tem;
+    int j,k;
+    tmp75[tmp75_num] = tmp75_read_temp();
+    tmp75_num ++;
+
+    if(tmp75_num >= LB_T_TIMES)
+    {
+        tmp75_num = 0;
+        for(j = 0; j < LB_T_TIMES-1; j++)//采样值由小到大排列
+        {
+            for(k = 0; k < LB_T_TIMES-j-1; k++)
+            {
+                if(tmp75[k] > tmp75[k+1])
+                {
+                    tem        = tmp75[k];
+                    tmp75[k]   = tmp75[k+1];
+                    tmp75[k+1] = tem;
+                }
+            }
+        }
+        for(uint8_t i = 1; i < LB_T_TIMES - 1; i++)
+        {
+            curtmp75 = curtmp75 + tmp75[i];//去掉一个最大值和一个最小值
+        }
+        curtmp75 = curtmp75 / ((float)(LB_T_TIMES - 2));
+        curtmp75_out = curtmp75;
+        memset(tmp75, 0, sizeof(tmp75));
+    }
+    return curtmp75_out;
+}
diff --git a/drivers/drv_adc.h b/drivers/drv_adc.h
index f450e50..fb70796 100644
--- a/drivers/drv_adc.h
+++ b/drivers/drv_adc.h
@@ -8,16 +8,15 @@
 #define ADC_GPIO_PORT               GPIOC
 #define VOLTAGE_ADC_PIN             GPIO_PIN_2
 #define CURRENT_ADC_PIN             GPIO_PIN_3
-#define ADC_CHANNEL_NUM             2 // 规则组配置规则序列的通道：2个通道
-#define LB_TIMES                    5
+#define ADC_CHANNEL_NUM             1 // 规则组配置规则序列的通道：2个通道
+#define LB_V_TIMES                  7
+#define LB_I_TIMES                  12
+#define LB_T_TIMES                  7
 
-// float ptz_Voltage_collect_adc1_task();
-// float ptz_Current_collect_adc1_task();
-float ptz_adc1_collect_task();
-void adc_gpio_config(void);
 void adc_config(void);
-void init_data_collect_module(void);
-
+float ptz_Voltage_collect_adc1_task();
+float ptz_Current_collect_adc1_task();
+float ptz_temperature_collect_tmp75_task();
 
 #endif
 
diff --git a/drivers/drv_i2c.c b/drivers/drv_i2c.c
deleted file mode 100644
index e69de29..0000000
diff --git a/drivers/drv_i2c.h b/drivers/drv_i2c.h
deleted file mode 100644
index e69de29..0000000
diff --git a/drivers/mb85rc64/mb85rc64.c b/drivers/mb85rc64/mb85rc64.c
new file mode 100644
index 0000000..f177c40
--- /dev/null
+++ b/drivers/mb85rc64/mb85rc64.c
@@ -0,0 +1,342 @@
+///Copyright (c) 2022, �Ĵ���Դ��ͨ�����޹�˾ 
+///All rights reserved. 
+///@file        mb85rc64.h 
+///@brief       mb85rc64�������� ����洢��
+///
+///@details     
+///@note        
+///@author      lqc
+///@date        2022/05/26
+///
+///@version		v1.0 2022/05/26 ��ʼ�汾
+
+#include "mb85rc64.h"
+#include "rtthread.h"
+#include <core_cm4.h>
+
+
+/*
+  @ brief  ��ʱ����
+  @ param  
+  @ return
+  @ note   2022-5-23
+*/
+static void delay_us(int us)
+{
+  rt_thread_udelay(us);
+}
+
+/*
+  @ brief  оƬ��ʼ��
+  @ param  
+  @ return
+  @ note  2022-05-26
+*/
+void mb85rc64_gpio_init()
+{
+  //��������ʱ��
+  rcu_periph_clock_enable(RCU_GPIOB);
+  //��������Ϊ���ģʽ:PB6
+  gpio_mode_set(GPIOB, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_6);
+  gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_6);
+  
+  //��������PB7���ģʽ
+  gpio_mode_set(GPIOB, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_7);
+  gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_7);
+  
+  MB85RC64_SCL_HIGH;
+  MB85RC64_SDA_HIGH;
+}
+
+/*
+  @ brief  ����SDA����Ϊ���ģʽ
+  @ param  
+  @ return 
+  @ note  2022-5-26 lqc
+*/
+static void mb85rc64_sda_output()
+{
+  gpio_mode_set(GPIOB, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_7);
+  gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_7);
+  MB85RC64_SDA_HIGH;
+}
+
+/*
+  @ brief  ����SDA����Ϊ����ģʽ
+  @ param  
+  @ return 
+  @ note   2022-5-26 lqc
+*/
+static void mb85rc64_sda_input()
+{
+  gpio_mode_set(GPIOB, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, GPIO_PIN_7);
+  gpio_output_options_set(GPIOB, GPIO_PUPD_NONE, GPIO_OSPEED_50MHZ, GPIO_PIN_7);
+}
+
+/*
+  @ brief  I2C start�ź�
+  @ param  
+  @ return 
+  @ note  2022-5-25
+*/
+static void i2c_start()
+{
+  MB85RC64_SDA_HIGH;
+  delay_us(5);
+  MB85RC64_SCL_HIGH;
+  delay_us(5);
+  MB85RC64_SDA_LOW;
+  delay_us(4);
+}
+
+/* 
+  @ brief  I2C stop�ź�
+  @ param
+  @ return
+  @ note  2022-05-25
+*/
+static void i2c_stop()
+{
+  MB85RC64_SDA_LOW;
+  delay_us(5);
+  MB85RC64_SCL_HIGH;
+  delay_us(5);
+  MB85RC64_SDA_HIGH;  
+  delay_us(4);
+}
+
+/*
+  @ brief  mb85rc64�������ݲ���ACK�ź�
+  @ param  SDA�����豸��Ϊ�͵�ƽ��ʾӦ��
+  @ return
+  @ note  2022-05-26
+*/
+static void mb85rc64_ack()
+{
+  int i = 0;
+  mb85rc64_sda_input();
+  delay_us(5);
+  MB85RC64_SCL_HIGH;
+  delay_us(5);
+  while((MB85RC64_SDA_GET) && i<1000)
+  {
+    i++;
+  }
+  delay_us(5);
+  MB85RC64_SCL_LOW;
+  delay_us(5);
+  mb85rc64_sda_output();
+}
+
+/*
+  @ brief  ������ȡ���ݷ���ACK�ź�,SDAΪ�͵�ƽ
+  @ param  SCL�½��ط���
+  @ return 
+  @ note   2022-05-26
+*/
+static void master_ack()
+{
+  MB85RC64_SDA_LOW;
+  delay_us(5);
+  MB85RC64_SCL_HIGH;
+  delay_us(5);
+  MB85RC64_SCL_LOW;
+  delay_us(5);
+}
+
+/*
+  @ brief ������ȡ������ϣ�����no_ack�źţ�SDAΪ�ߵ�ƽ
+  @ param  
+  @ return
+  @ note   2022-05-26
+*/
+static void master_no_ack()
+{
+  MB85RC64_SDA_HIGH;
+  delay_us(5);
+  MB85RC64_SCL_HIGH;
+  delay_us(5);
+  MB85RC64_SCL_LOW;
+  delay_us(5);
+}
+
+/*
+  @ brief дһ���ֽ�����
+  @ param
+  @ return
+  @ note  2022-05-26
+*/
+static void mb85rc64_write_byte(uint8_t byte)
+{
+  for(int i = 0; i < 8; i++)
+  {
+    MB85RC64_SCL_LOW;
+    delay_us(5);
+    if(byte & 0x80)
+    {
+      MB85RC64_SDA_HIGH;
+    }
+    else
+    {
+      MB85RC64_SDA_LOW;
+    }
+    
+    MB85RC64_SCL_HIGH;
+    delay_us(5);
+    byte <<= 1;
+  }
+  MB85RC64_SCL_LOW;
+}
+
+/*
+  @ brief ��һ���ֽ�����
+  @ param
+  @ return
+  @ note  2022-05-26
+*/
+static uint8_t mb85rc64_read_byte()
+{
+  uint8_t value = 0;
+  MB85RC64_SCL_LOW;
+  delay_us(5);
+  mb85rc64_sda_input();
+  
+  
+  for(int i = 0; i < 8; i++)
+  {
+    
+    value <<= 1;
+    MB85RC64_SCL_LOW;
+    delay_us(5);
+    MB85RC64_SCL_HIGH;
+    
+    delay_us(5);
+    if(MB85RC64_SDA_GET)
+    {
+      value = value | 0x01;
+    }
+    else {
+      value = value & 0xfe;
+    }
+  }
+   MB85RC64_SCL_LOW;
+  delay_us(5);
+  mb85rc64_sda_output();
+  return value;
+}
+
+/*
+  @ brief �������ݣ�ҳд
+  @ param  addr:�������ݵĵ�ַ��data:�豣������ݣ�data_len���������ݵij���
+  @ return
+  @ note   2022-05-27
+*/
+char mb85rc64_page_write(unsigned short int addr, unsigned char* data, int data_len)
+{
+  uint8_t addr_H = 0;
+  uint8_t addr_L = 0;
+  
+  addr_H = (addr >> 8) & 0x00ff;
+  addr_L = addr & 0x00ff;
+  //�����ź�
+  i2c_start();
+  //д��ַ,R/Wλ=0
+  mb85rc64_write_byte(MB85RC64_ADDRESS_WRITE);
+  //ack�ź�
+  mb85rc64_ack();
+  //д��8λ��ַ
+  mb85rc64_write_byte(addr_H);
+  //ack�ź�
+  mb85rc64_ack();
+  //д��8λ��ַ
+  mb85rc64_write_byte(addr_L);
+  //ack�ź�
+  mb85rc64_ack();
+  for(int i = 0; i < data_len; i++)
+  {
+    mb85rc64_write_byte(*data);
+    mb85rc64_ack();
+    data++;
+  }
+  //ֹͣ�ź�
+  i2c_stop();
+  return 1;
+}
+
+/*
+  @ brief  ��ȡ���� ��˳���ȡ��ָ����ַ��������������
+  @ param   addr :��Ҫ��ȡ���ݵĵ�ַ��data:����, data_len:���ݳ���
+  @ return 
+  @ note   2022-05-27 lqc
+*/
+char mb85rc64_add_read(unsigned short int addr, unsigned char *data, int data_len)
+{
+  uint8_t addr_H = 0;
+  uint8_t addr_L = 0;
+  
+  addr_H = (addr >> 8) & 0x00ff;
+  addr_L = addr & 0x00ff;
+  //�����ź�
+  i2c_start();
+  //д��ַ��R/WλΪ0
+  mb85rc64_write_byte(MB85RC64_ADDRESS_WRITE);
+  //ack�ź�
+  mb85rc64_ack();
+  //д��8λ��ַ
+  mb85rc64_write_byte(addr_H);
+  //ack�ź�
+  mb85rc64_ack();
+  //д��8λ��ַ
+  mb85rc64_write_byte(addr_L);
+  //ack�ź�
+  mb85rc64_ack();
+  
+  //�����ź�
+  i2c_start();
+  //д��ַ��R/WΪΪ1��������
+  mb85rc64_write_byte(MB85RC64_ADDRESS_READ);
+  //ack�ź�
+  mb85rc64_ack();
+  for(int i = 0; i < data_len; i++)
+  {
+    //������
+    data[i] = mb85rc64_read_byte();
+    if(i == data_len - 1)
+    {
+      master_no_ack();
+    }
+    else
+    {
+      master_ack();
+    }
+  }
+  //ֹͣ�ź�
+  i2c_stop();
+  return 1;
+}
+
+void read_mb_id(uint8_t* buff)
+{
+  i2c_start();
+  mb85rc64_write_byte(0xf8);
+  mb85rc64_ack();
+  mb85rc64_write_byte(MB85RC64_ADDRESS_WRITE);
+  mb85rc64_ack();
+  i2c_start();
+  mb85rc64_write_byte(0xf9);
+  mb85rc64_ack();
+  for(int i = 0; i < 3; i++)
+  {
+    //������
+    buff[i] = mb85rc64_read_byte();
+    if(i == 3 - 1)
+    {
+      master_no_ack();
+    }
+    else
+    {
+      master_ack();
+    }
+  }
+  i2c_stop();
+}
diff --git a/drivers/mb85rc64/mb85rc64.h b/drivers/mb85rc64/mb85rc64.h
new file mode 100644
index 0000000..ee46b3d
--- /dev/null
+++ b/drivers/mb85rc64/mb85rc64.h
@@ -0,0 +1,37 @@
+///Copyright (c) 2022, �Ĵ���Դ��ͨ�����޹�˾ 
+///All rights reserved. 
+///@file        mb85rc64.h 
+///@brief       mb85rc64��������
+///
+///@details     
+///@note        
+///@author      lqc
+///@date        2022/05/26 
+///
+///@version		v1.0 2022/05/26 ��ʼ�汾
+
+#ifndef __MB85RC64_H_
+#define __MB85RC64_H_
+
+#include "gd32f4xx_gpio.h"
+
+#define MB85RC64_ADDRESS_WRITE   0xA0
+#define MB85RC64_ADDRESS_READ    0xA1
+
+#define MB85RC64_SCL_HIGH  gpio_bit_set(GPIOB, GPIO_PIN_6)
+#define MB85RC64_SCL_LOW   gpio_bit_reset(GPIOB, GPIO_PIN_6)
+
+#define MB85RC64_SDA_HIGH  gpio_bit_set(GPIOB, GPIO_PIN_7)
+#define MB85RC64_SDA_LOW   gpio_bit_reset(GPIOB, GPIO_PIN_7)
+#define MB85RC64_SDA_GET   gpio_input_bit_get(GPIOB, GPIO_PIN_7)
+
+//mb85rc64�洢��ַ
+#define MB85RC64_SAVE_ADDRESS_BEGIN   0x0000
+
+void mb85rc64_gpio_init();
+char mb85rc64_page_write(unsigned short int addr, unsigned char* data, int data_len);
+char mb85rc64_add_read(unsigned short int addr, unsigned char *data, int data_len);
+void mb85rc64_function_test();
+void read_mb_id(uint8_t* buff);
+
+#endif
\ No newline at end of file
diff --git a/drivers/readme.md b/drivers/readme.md
index 4aafc4b..cc27856 100644
--- a/drivers/readme.md
+++ b/drivers/readme.md
@@ -17,7 +17,7 @@ GD32F4系列搭载了高性能的12位逐次逼近型（SAR）ADC，提供了非
 
 * **工作原理**：ADC完成一次转换序列后，**立即自动重新启动**下一次转换，永不停止，连续不断地进行转换。
 * **触发方式**：通常由**一次软件或硬件触发**来启动这个连续的进程。
-* **特点**：一旦启动，无需干预即可获得连续的数据流，实时性高。但功耗相对较高，因为ADC一直处于工作状态。通常需要与DMA配合使用。
+* **特点**：一旦启动，无需干预即可获得连续的数据流，实时性高。但**功耗相对较高**，因为ADC一直处于工作状态。通常需要与DMA配合使用。
 * **代码逻辑**：`启动 -> (自动循环转换) -> 不断读取数据`
 
 #### 3. 扫描模式 (Scan Mode)
@@ -184,7 +184,6 @@ C1 -->|读取注入组<br>有专用寄存器| A2
 
 三者协同工作，共同构成了一个高效、可靠且响应及时的数据采集系统。
 
-
 在GD32微控制器的ADC驱动库中，`adc_routine_channel_config`函数用于配置规则组（常规序列）的通道序列。
 
 ### 🧾 函数原型
@@ -216,11 +215,9 @@ void adc_routine_channel_config(uint32_t adc_periph, uint8_t rank, uint8_t chann
 
 ### 💡 总结
 
-你可以这样理解：
+可以这样理解：
 
 * **`rank`（第二个参数）是“排队号”**：决定通道转换的**顺序**。
 * **`channel`（第三个参数）是“身份证”**：确定转换的**具体是哪个物理通道**。
 
 函数的作用就是将特定的物理通道（`channel`）安排到规则组转换序列中的指定位置（`rank`）上。
-
-希望这些信息能帮助你更好地理解和使用GD32的ADC功能！
diff --git a/rtthread/include/rtthread.h b/rtthread/include/rtthread.h
index bfe41a3..088fac9 100644
--- a/rtthread/include/rtthread.h
+++ b/rtthread/include/rtthread.h
@@ -23,6 +23,8 @@
 #include <rtdef.h>
 #include <rtservice.h>
 #include <rtm.h>
+#include "gd32f4xx_gpio.h"
+
 
 #ifdef __cplusplus
 extern "C" {
@@ -138,6 +140,7 @@ rt_err_t rt_thread_delete(rt_thread_t thread);
 rt_err_t rt_thread_yield(void);
 rt_err_t rt_thread_delay(rt_tick_t tick);
 rt_err_t rt_thread_mdelay(rt_int32_t ms);
+void rt_thread_udelay(int us);
 rt_err_t rt_thread_control(rt_thread_t thread, int cmd, void *arg);
 rt_err_t rt_thread_suspend(rt_thread_t thread);
 rt_err_t rt_thread_resume(rt_thread_t thread);
diff --git a/rtthread/src/thread.c b/rtthread/src/thread.c
index 940d24e..4396d32 100644
--- a/rtthread/src/thread.c
+++ b/rtthread/src/thread.c
@@ -551,6 +551,22 @@ rt_err_t rt_thread_mdelay(rt_int32_t ms)
 }
 RTM_EXPORT(rt_thread_mdelay);
 
+
+void rt_thread_udelay(int us)
+{
+    rt_uint32_t start, now, delta, reload, us_tick;
+    start = SysTick->VAL;
+    reload = SysTick->LOAD;
+    us_tick = SystemCoreClock / 1000000UL;
+    do
+    {
+      now = SysTick->VAL;
+      delta = start > now ? start - now : reload + start - now;
+    } while (delta < us_tick * us);
+}
+
+
+
 /**
  * This function will control thread behaviors according to control command.
  *