diff --git a/xsync.cpp b/xsync.cpp
index 3ea704e..17a7932 100644
--- a/xsync.cpp
+++ b/xsync.cpp
@@ -1139,84 +1139,39 @@ xs_error_code_t Xsync::TimecodeInputModule_getTimecode(XsyncTimecode_t &timecode
   return ecode;
 }
 
-xs_error_code_t Xsync::TTLInputModule_setEn(int32_t index, bool en) {
-  uint32_t readbak = 0;
-  DO_XSYNC(reg_read(reg::kttlin_en, readbak, 10));
-  if (en) {
-    readbak |= (1 << index);
-  } else {
-    readbak &= ~(1 << index);
-  }
-  DO_XSYNC(reg_write(reg::kttlin_en, readbak, readbak, 10));
-  return kxs_ec_success;
-}
-xs_error_code_t Xsync::TTLInputModule_getEn(int32_t index, bool &en) {
-  uint32_t readbak = 0;
-  DO_XSYNC(reg_read(reg::kttlin_en, readbak, 10));
-  en = (readbak & (1 << index)) != 0;
-  return kxs_ec_success;
-}
+#define FREQ_CNT_TO_FREQ(cnt) ((cnt != 0) ? (uint32_t)(1.0 / (cnt * 1.0 / (10 * 1000 * 1000)) + 0.5) : 0 ) //+0.5是因为c++ 小数强转成整数时是取整，而非四舍五入
 
-xs_error_code_t Xsync::TTLInputModule_setFilterFactor(int32_t index, uint32_t factor) {
-  uint32_t readbak = 0;
-  if (index == 1) {
-    DO_XSYNC(reg_write(reg::kttlin1_filter_factor, factor, readbak, 10));
-  } else if (index == 2) {
-    DO_XSYNC(reg_write(reg::kttlin2_filter_factor, factor, readbak, 10));
-  } else if (index == 3) {
-    DO_XSYNC(reg_write(reg::kttlin3_filter_factor, factor, readbak, 10));
-  } else if (index == 4) {
-    DO_XSYNC(reg_write(reg::kttlin4_filter_factor, factor, readbak, 10));
-  } else {
-    return kxs_ec_param_error;
+/**
+ * @brief 读取TTL输入模块的频率
+ *
+ * @param index
+ * @param freq
+ * @return xs_error_code_t
+ */
+xs_error_code_t Xsync::TTLInputModule1_detectFreq(uint32_t &freq) {
+  uint32_t freq_cnt = 0;
+  DO_XSYNC(reg_read(reg::k_ttlin1_freq_detector_reg, freq_cnt, 10));
+  if (freq_cnt == 0) {
+    freq = 0;
   }
+  freq = FREQ_CNT_TO_FREQ(freq_cnt);
   return kxs_ec_success;
 }
-xs_error_code_t Xsync::TTLInputModule_getFilterFactor(int32_t index, uint32_t &factor) {
-  uint32_t readbak = 0;
-  if (index == 1) {
-    DO_XSYNC(reg_read(reg::kttlin1_filter_factor, readbak, 10));
-  } else if (index == 2) {
-    DO_XSYNC(reg_read(reg::kttlin2_filter_factor, readbak, 10));
-  } else if (index == 3) {
-    DO_XSYNC(reg_read(reg::kttlin3_filter_factor, readbak, 10));
-  } else if (index == 4) {
-    DO_XSYNC(reg_read(reg::kttlin4_filter_factor, readbak, 10));
-  } else {
-    return kxs_ec_param_error;
-  }
-  factor = readbak;
+xs_error_code_t Xsync::TTLInputModule2_detectFreq(uint32_t &freq) {
+  uint32_t freq_cnt = 0;
+  DO_XSYNC(reg_read(reg::k_ttlin2_freq_detector_reg, freq_cnt, 10));
+  freq = FREQ_CNT_TO_FREQ(freq_cnt);
   return kxs_ec_success;
 }
-
-xs_error_code_t Xsync::TTLInputModule_setDivideFactor(int32_t index, uint32_t factor) {
-  uint32_t readbak = 0;
-  if (index == 1) {
-    DO_XSYNC(reg_write(reg::kttlin1_devide_factor, factor, readbak, 10));
-  } else if (index == 2) {
-    DO_XSYNC(reg_write(reg::kttlin2_devide_factor, factor, readbak, 10));
-  } else if (index == 3) {
-    DO_XSYNC(reg_write(reg::kttlin3_devide_factor, factor, readbak, 10));
-  } else if (index == 4) {
-    DO_XSYNC(reg_write(reg::kttlin4_devide_factor, factor, readbak, 10));
-  } else {
-    return kxs_ec_param_error;
-  }
+xs_error_code_t Xsync::TTLInputModule3_detectFreq(uint32_t &freq) {
+  uint32_t freq_cnt = 0;
+  DO_XSYNC(reg_read(reg::k_ttlin3_freq_detector_reg, freq_cnt, 10));
+  freq = FREQ_CNT_TO_FREQ(freq_cnt);
   return kxs_ec_success;
 }
-xs_error_code_t Xsync::TTLInputModule_getDivideFactor(int32_t index, uint32_t &factor) {
-  uint32_t readbak = 0;
-  if (index == 1) {
-    DO_XSYNC(reg_read(reg::kttlin1_devide_factor, readbak, 10));
-  } else if (index == 2) {
-    DO_XSYNC(reg_read(reg::kttlin2_devide_factor, readbak, 10));
-  } else if (index == 3) {
-    DO_XSYNC(reg_read(reg::kttlin3_devide_factor, readbak, 10));
-  } else if (index == 4) {
-    DO_XSYNC(reg_read(reg::kttlin4_devide_factor, readbak, 10));
-  } else {
-    return kxs_ec_param_error;
-  }
-  factor = readbak;
+xs_error_code_t Xsync::TTLInputModule4_detectFreq(uint32_t &freq) {
+  uint32_t freq_cnt = 0;
+  DO_XSYNC(reg_read(reg::k_ttlin4_freq_detector_reg, freq_cnt, 10));
+  freq = FREQ_CNT_TO_FREQ(freq_cnt);
   return kxs_ec_success;
 }
\ No newline at end of file
diff --git a/xsync.hpp b/xsync.hpp
index ab25ae4..2cd0730 100644
--- a/xsync.hpp
+++ b/xsync.hpp
@@ -282,15 +282,17 @@ class Xsync {
    *                                 TTL输入模块                                 *
    *******************************************************************************/
 
-  xs_error_code_t TTLInputModule_setEn(int32_t index, bool en);
-  xs_error_code_t TTLInputModule_getEn(int32_t index, bool &en);
-
-  xs_error_code_t TTLInputModule_setFilterFactor(int32_t index, uint32_t factor);
-  xs_error_code_t TTLInputModule_getFilterFactor(int32_t index, uint32_t &factor);
-
-  xs_error_code_t TTLInputModule_setDivideFactor(int32_t index, uint32_t factor);
-  xs_error_code_t TTLInputModule_getDivideFactor(int32_t index, uint32_t &factor);
-
+  /**
+   * @brief 读取TTL输入模块的频率
+   *
+   * @param index
+   * @param freq
+   * @return xs_error_code_t
+   */
+  xs_error_code_t TTLInputModule1_detectFreq(uint32_t &freq);
+  xs_error_code_t TTLInputModule2_detectFreq(uint32_t &freq);
+  xs_error_code_t TTLInputModule3_detectFreq(uint32_t &freq);
+  xs_error_code_t TTLInputModule4_detectFreq(uint32_t &freq);
   /*******************************************************************************
    *                               信号生成器模块                                *
    *******************************************************************************/
diff --git a/xsync_packet.hpp b/xsync_packet.hpp
index ed9a39a..a682adf 100644
--- a/xsync_packet.hpp
+++ b/xsync_packet.hpp
@@ -31,6 +31,7 @@ typedef struct {
   uint32_t eventid;
   uint32_t data[];
 } iflytop_xsync_event_report_packet_t;
+#pragma pack()
 
 typedef enum {
   ktimecode_report_event         = 0,
@@ -66,4 +67,5 @@ typedef enum {
 } xsync_stm32_action_t;
 typedef enum { obtaining_ip_mode_type_static = 0, obtaining_ip_mode_type_dhcp = 1 } obtaining_ip_mode_t;
 
+
 }  // namespace xsync
diff --git a/xsync_regs.hpp b/xsync_regs.hpp
index c74bbb1..ea130e8 100644
--- a/xsync_regs.hpp
+++ b/xsync_regs.hpp
@@ -15,11 +15,11 @@ using namespace std;
 
 #define REG_ADD_OFF_STM32                  (0x0000)
 #define REG_ADD_OFF_STM32_CONFIG_START_ADD (0x0010)
-#define REG_ADD_OFF_FPGA_TEST              (0x00020)
+#define REGADDOFF__FPGA_INFO               (0x00020)
 // 控制中心寄存器地址
 #define REG_ADD_OFF_SIG_GENERATOR (0x00030)
 // 输入组件
-#define REG_ADD_OFF_TTLIN1      (0x0100)
+#define REGADDOFF__TTLIN        (0x0100)
 #define REG_ADD_OFF_TIMECODE_IN (0x0140)
 #define REG_ADD_OFF_GENLOCK_IN  (0x0150)
 // 输出组件
@@ -66,22 +66,22 @@ typedef enum {
    * @brief
    *  REG 48(32)  FPGA配置寄存器0
    */
-  kfpga_test_reg0 = REG_ADD_OFF_FPGA_TEST + 0,
-  kfpga_test_reg1 = REG_ADD_OFF_FPGA_TEST + 1,
-  kfpga_test_reg2 = REG_ADD_OFF_FPGA_TEST + 2,
-  kfpga_test_reg3 = REG_ADD_OFF_FPGA_TEST + 3,
-  kfpga_test_reg4 = REG_ADD_OFF_FPGA_TEST + 4,
-  kfpga_test_reg5 = REG_ADD_OFF_FPGA_TEST + 5,
-  kfpga_test_reg6 = REG_ADD_OFF_FPGA_TEST + 6,
-  kfpga_test_reg7 = REG_ADD_OFF_FPGA_TEST + 7,
-  kfpga_test_reg8 = REG_ADD_OFF_FPGA_TEST + 8,
-  kfpga_test_reg9 = REG_ADD_OFF_FPGA_TEST + 9,
-  kfpga_test_rega = REG_ADD_OFF_FPGA_TEST + 10,
-  kfpga_test_regb = REG_ADD_OFF_FPGA_TEST + 11,
-  kfpga_test_regc = REG_ADD_OFF_FPGA_TEST + 12,
-  kfpga_test_regd = REG_ADD_OFF_FPGA_TEST + 13,
-  kfpga_test_rege = REG_ADD_OFF_FPGA_TEST + 14,
-  kfpga_test_regf = REG_ADD_OFF_FPGA_TEST + 15,
+  kfpga_info_reg0 = REGADDOFF__FPGA_INFO + 0,
+  kfpga_info_reg1 = REGADDOFF__FPGA_INFO + 1,
+  kfpga_info_reg2 = REGADDOFF__FPGA_INFO + 2,
+  kfpga_info_reg3 = REGADDOFF__FPGA_INFO + 3,
+  kfpga_info_reg4 = REGADDOFF__FPGA_INFO + 4,
+  kfpga_info_reg5 = REGADDOFF__FPGA_INFO + 5,
+  kfpga_info_reg6 = REGADDOFF__FPGA_INFO + 6,
+  kfpga_info_reg7 = REGADDOFF__FPGA_INFO + 7,
+  kfpga_info_reg8 = REGADDOFF__FPGA_INFO + 8,
+  kfpga_info_reg9 = REGADDOFF__FPGA_INFO + 9,
+  kfpga_info_rega = REGADDOFF__FPGA_INFO + 10,
+  kfpga_info_regb = REGADDOFF__FPGA_INFO + 11,
+  kfpga_info_regc = REGADDOFF__FPGA_INFO + 12,
+  kfpga_info_regd = REGADDOFF__FPGA_INFO + 13,
+  kfpga_info_rege = REGADDOFF__FPGA_INFO + 14,
+  kfpga_info_regf = REGADDOFF__FPGA_INFO + 15,
 
   /**
    * @brief 信号发生器模块
@@ -150,17 +150,19 @@ typedef enum {
    *                                 TTL输入模块                                 *
    *******************************************************************************/
 
-  kttlin_en             = REG_ADD_OFF_TTLIN1 + 0,
-  kttlin1_devide_factor = REG_ADD_OFF_TTLIN1 + 1,
-  kttlin2_devide_factor = REG_ADD_OFF_TTLIN1 + 2,
-  kttlin3_devide_factor = REG_ADD_OFF_TTLIN1 + 3,
-  kttlin4_devide_factor = REG_ADD_OFF_TTLIN1 + 4,
-  kttlin1_filter_factor = REG_ADD_OFF_TTLIN1 + 5,
-  kttlin2_filter_factor = REG_ADD_OFF_TTLIN1 + 6,
-  kttlin3_filter_factor = REG_ADD_OFF_TTLIN1 + 7,
-  kttlin4_filter_factor = REG_ADD_OFF_TTLIN1 + 8,
-
-} RegAdd_t;
+  k_ttlin_en_reg             = REGADDOFF__TTLIN + 0,
+  k_ttlin1_freq_detector_reg = REGADDOFF__TTLIN + 1,
+  k_ttlin2_freq_detector_reg = REGADDOFF__TTLIN + 2,
+  k_ttlin3_freq_detector_reg = REGADDOFF__TTLIN + 3,
+  k_ttlin4_freq_detector_reg = REGADDOFF__TTLIN + 4,
+  k_ttlin1_filter_factor_reg = REGADDOFF__TTLIN + 5,
+  k_ttlin2_filter_factor_reg = REGADDOFF__TTLIN + 6,
+  k_ttlin3_filter_factor_reg = REGADDOFF__TTLIN + 7,
+  k_ttlin4_filter_factor_reg = REGADDOFF__TTLIN + 8,
+
+
+}
+RegAdd_t;
 
 }  // namespace reg
 }  // namespace xsync