diff --git a/apps/common/device/gSensor/gSensor_manage.c b/apps/common/device/gSensor/gSensor_manage.c
index 9fca788..b810b99 100644
--- a/apps/common/device/gSensor/gSensor_manage.c
+++ b/apps/common/device/gSensor/gSensor_manage.c
@@ -266,7 +266,8 @@ u8 gravity_sensor_command(u8 w_chip_id, u8 register_address, u8 function_command
     // xlog("iic_tx_byte id\n");
     if (0 == iic_tx_byte(gSensor_info->iic_hdl, w_chip_id)) {
         ret = 0;
-        xlog("\n gsen iic wr err 0\n");
+        xlog("iic write: I2C NACK on writing ADDR: 0x%X\n", w_chip_id);
+        // xlog("\n gsen iic wr err 0\n");
         strcpy(&w_log_buffer_1, "gsen iic wr err 0\n");
         goto __gcend;
     }
@@ -316,7 +317,7 @@ u8 _gravity_sensor_get_ndata(u8 r_chip_id, u8 register_address, u8 *buf, u8 data
 
     iic_start(gSensor_info->iic_hdl);
     if (0 == iic_tx_byte(gSensor_info->iic_hdl, r_chip_id - 1)) {
-        xlog("I2C NACK on writing ADDR: 0x%X\n", r_chip_id - 1);
+        xlog("iic read: I2C NACK on writing ADDR: 0x%X\n", r_chip_id - 1);
         read_len = 0;
         strcpy(&sen_log_buffer_1, "gsen iic rd err 0\n");
         goto __gdend;
diff --git a/apps/earphone/xtell_Sensor/send_data.c b/apps/earphone/xtell_Sensor/send_data.c
index b85889e..9fab27d 100644
--- a/apps/earphone/xtell_Sensor/send_data.c
+++ b/apps/earphone/xtell_Sensor/send_data.c
@@ -469,8 +469,8 @@ void test_func(void){
         acc_data_buf[i] = i;
     }
 
-    SL_SC7U22_Config();
-    mmc5603nj_init();
+    // SL_SC7U22_Config();
+    // mmc5603nj_init();
     #if BMP280
     BMP280_init();
     #else
diff --git a/apps/earphone/xtell_Sensor/sensor/WF282A.c b/apps/earphone/xtell_Sensor/sensor/WF282A.c
index 359b621..a0029af 100644
--- a/apps/earphone/xtell_Sensor/sensor/WF282A.c
+++ b/apps/earphone/xtell_Sensor/sensor/WF282A.c
@@ -23,17 +23,78 @@ static int32_t c00, c10;
 /*==================================================================================*/
 /*     封装的底层I2C读写函数 (Provided by user)                                       */
 /*==================================================================================*/
+#define I2C_HANDLE 0
 /**
  * @brief 写入单个字节到WF282A寄存器
  */
 static void wf282a_write_reg(uint8_t reg, uint8_t data) {
-    gravity_sensor_command(WF_IIC_WRITE_ADDRESS, reg, data);
+    hw_iic_start(I2C_HANDLE);
+    // 发送从设备地址 (写模式)
+    if (!hw_iic_tx_byte(I2C_HANDLE, WF_IIC_WRITE_ADDRESS)) {
+        // 如果没有收到ACK，可能是设备不存在或忙，直接停止
+        hw_iic_stop(I2C_HANDLE);
+        // 可以添加错误日志或返回错误码
+        xlog("WF282A Write: No ACK after slave address\n");
+        return;
+    }
+    // 发送寄存器地址
+    if (!hw_iic_tx_byte(I2C_HANDLE, reg)) {
+        hw_iic_stop(I2C_HANDLE);
+        xlog("WF282A Write: No ACK after register address\n");
+        return;
+    }
+    // 发送数据字节
+    if (!hw_iic_tx_byte(I2C_HANDLE, data)) {
+        hw_iic_stop(I2C_HANDLE);
+        xlog("WF282A Write: No ACK after data byte\n");
+        return;
+    }
+    hw_iic_stop(I2C_HANDLE);
+
+    // gravity_sensor_command(WF_IIC_WRITE_ADDRESS, reg, data);
 }
 /**
  * @brief 从WF282A读取多个字节
  */
 static uint32_t wf282a_read_regs(uint8_t reg, uint8_t *buf, uint8_t len) {
-    return _gravity_sensor_get_ndata(WF_IIC_READ_ADDRESS, reg, buf, len);
+    uint32_t bytes_read = 0;
+    if (len == 0) return 0;
+
+    hw_iic_start(I2C_HANDLE);
+    // 1. 发送从设备地址 (写模式) 和寄存器地址
+    if (!hw_iic_tx_byte(I2C_HANDLE, WF_IIC_WRITE_ADDRESS)) {
+        hw_iic_stop(I2C_HANDLE);
+        xlog("WF282A Read: No ACK after slave address (write phase)\n");
+        return 0;
+    }
+    if (!hw_iic_tx_byte(I2C_HANDLE, reg)) {
+        hw_iic_stop(I2C_HANDLE);
+        xlog("WF282A Read: No ACK after register address\n");
+        return 0;
+    }
+
+    // 2. 发送重复开始条件
+    hw_iic_start(I2C_HANDLE); // Repeated START
+
+    // 3. 发送从设备地址 (读模式)
+    if (!hw_iic_tx_byte(I2C_HANDLE, WF_IIC_READ_ADDRESS)) {
+        hw_iic_stop(I2C_HANDLE);
+        xlog("WF282A Read: No ACK after slave address (read phase)\n");
+        return 0;
+    }
+
+    // 4. 循环读取数据
+    for (uint32_t i = 0; i < len; i++) {
+        // 如果是最后一个字节，发送NACK
+        // hw_iic_rx_byte 的第二个参数是 ack_enable (1 for ACK, 0 for NACK)
+        uint8_t ack_val = (i == (len - 1)) ? 0 : 1; // 最后一个字节NACK，其余ACK
+        buf[i] = hw_iic_rx_byte(I2C_HANDLE, ack_val);
+        bytes_read++;
+    }
+
+    hw_iic_stop(I2C_HANDLE);
+    return bytes_read;
+    // return _gravity_sensor_get_ndata(WF_IIC_READ_ADDRESS, reg, buf, len);
 }
 /*==================================================================================*/
 /*    Delay functions (Copied from manufacturer's code for consistency)             */
@@ -51,22 +112,26 @@ static void parse_calibration_data(const uint8_t *buf) {
     // c0 (12-bit)
     // 制造商: (tempbuf[0]<<4) + ((tempbuf[1]>>4) & 0x0F);
     c0 = ((int16_t)buf[0] << 4) | ((buf[1] >> 4) & 0x0F); 
-    if (c0 & (1 << 11)) c0 |= 0xF000;
+    // if (c0 & (1 << 11)) c0 |= 0xF000;
+    if(c0 > 0x7ff) c0 = c0 - 0x1000;
 
     // c1 (12-bit)
     // 制造商: tempbuf[2] + ((tempbuf[1] & 0x0F)<<8);
     c1 = (((int16_t)buf[1] & 0x0F) << 8) | buf[2]; 
-    if (c1 & (1 << 11)) c1 |= 0xF000;
+    // if (c1 & (1 << 11)) c1 |= 0xF000;
+    if(c1 > 0x7ff) c1 = c1 -0x1000;
 
     // c00 (20-bit)
     // 制造商: (((u32)((tempbuf[3]<<8) + tempbuf[4]))<<4)+((tempbuf[5]>>4)&0x0F);
     c00 = ((int32_t)buf[3] << 12) | ((int32_t)buf[4] << 4) | ((buf[5] >> 4) & 0x0F); 
-    if (c00 & (1 << 19)) c00 |= 0xFFF00000;
+    // if (c00 & (1 << 19)) c00 |= 0xFFF00000;
+    if(c00 > 0x7ffff) c00 = c00 - 0x100000;
 
     // c10 (20-bit)
     // 制造商: (((u32)((tempbuf[5]&0x0F)<<8)+tempbuf[6])<<8)+tempbuf[7];
     c10 = (((int32_t)buf[5] & 0x0F) << 16) | ((int32_t)buf[6] << 8) | buf[7]; 
-    if (c10 & (1 << 19)) c10 |= 0xFFF00000;
+    // if (c10 & (1 << 19)) c10 |= 0xFFF00000;
+    if(c10 > 0x7ffff) c10 = c10 - 0x100000;
 
     // c01, c11, c20, c21, c30 (16-bit)
     c01 = (int16_t)((uint16_t)buf[8] << 8 | buf[9]);
@@ -95,9 +160,10 @@ static int32_t Get_Traw() {
     // buff[0] = B2 (MSB), buff[1] = B1, buff[2] = B0 (LSB)
     Traw = (int32_t)buff[0] << 16 | (int32_t)buff[1] << 8 | (int32_t)buff[2];
     // 24位二进制补码转32位
-    if (Traw & (1 << 23)) {
-        Traw |= 0xFF000000;
-    }
+    // if (Traw & (1 << 23)) {
+    //     Traw |= 0xFF000000;
+    // }
+    if(Traw > 0x7fffff) Traw = Traw - 0x1000000;
     return Traw;
 }
 /**
@@ -114,10 +180,11 @@ static int32_t Get_Praw() {
     }
     // buff[0] = B2 (MSB), buff[1] = B1, buff[2] = B0 (LSB)
     Praw = (int32_t)buff[0] << 16 | (int32_t)buff[1] << 8 | (int32_t)buff[2];
-    // 24位二进制补码转32位
-    if (Praw & (1 << 23)) {
-        Praw |= 0xFF000000;
-    }
+    // // 24位二进制补码转32位
+    // if (Praw & (1 << 23)) {
+    //     Praw |= 0xFF000000;
+    // }
+    if(Praw > 0x7fffff) Praw = Praw - 0x1000000;
     return Praw;
 }
 /*==================================================================================*/
@@ -125,21 +192,21 @@ static int32_t Get_Praw() {
 /*==================================================================================*/
 uint8_t WF_Init() {
     uint8_t calib_buf[18];
+    xlog("WF282A: soft reset\n");
     // 1. 软复位
     wf282a_write_reg(WF_RESET_REG, 0x09);
-    delay(100); // 复位后等待100ms
+    delay(1000); // 复位后等待1000ms
     // 2. 读取校准系数
     if (wf282a_read_regs(COEF_C0, calib_buf, 18) != 18) { // 检查是否成功读取18字节
         xlog("Failed to read the calibration coefficient\n");
         return 2; // 读取校准数据失败
     }
     parse_calibration_data(calib_buf);
-
     // DEBUG: 打印解析后的校准系数
     xlog("Parsed Coefficients: c0=%d, c1=%d, c00=%ld, c10=%ld, c01=%d, c11=%d, c20=%d, c21=%d, c30=%d\n",
          c0, c1, c00, c10, c01, c11, c20, c21, c30);
 
-    #if 0 //test:0
+    #if 1 //连续测量
     // 3. 配置压力、温度和通用寄存器为连续测量模式
     // 压力配置: 32Hz测量速率 (PM_RATE_32), 16x过采样 (PM_PRC_16) -> 0x54
     wf282a_write_reg(WF_PRS_CFG, (PM_RATE_32 << 4) | PM_PRC_16);
@@ -159,7 +226,7 @@ uint8_t WF_Init() {
     wf282a_write_reg(WF_PRS_CFG, 0x07);
     wf282a_write_reg(WF_TMP_CFG, 0x87);
     wf282a_write_reg(WF_CFG_REG, 0x0C);
-    wf282a_write_reg(WF_MEAS_CFG, 0x07);//后台连续测量温度和压力
+    // wf282a_write_reg(WF_MEAS_CFG, 0x07);//后台连续测量温度和压力
     delay(40); // 稍长一点的延迟，确保传感器开始正常工作
     #endif
 
@@ -204,7 +271,17 @@ float WF_Pressure_Calculate() {
             + Traw_sc * Praw_sc * ((float)c11 + Praw_sc * (float)c21);
     return Pcomp;
 }
+
+//非连续测量
+void WF_start_measure(void){
+    wf282a_write_reg(WF_MEAS_CFG, 0x02); //进行一次温度测量
+    delay(200);
+    wf282a_write_reg(WF_MEAS_CFG, 0x01); //内部进行一次压力测量
+    delay(200);
+}
+
 void WF_GET_Temperature_Pressure(float* temperature, float* precessure){
+    // WF_start_measure();
     int32_t Traw = Get_Traw();
     int32_t Praw = Get_Praw();
     float Traw_sc = (float)Traw / KT; // 缩放原始温度值 (KT is now 16x scale factor)
diff --git a/cpu/br28/tools/app.bin b/cpu/br28/tools/app.bin
index cedb339..f16c4a1 100644
Binary files a/cpu/br28/tools/app.bin and b/cpu/br28/tools/app.bin differ
diff --git a/cpu/br28/tools/data_code.bin b/cpu/br28/tools/data_code.bin
index 3f69c63..3762c9a 100644
Binary files a/cpu/br28/tools/data_code.bin and b/cpu/br28/tools/data_code.bin differ
diff --git a/cpu/br28/tools/download/earphone/download.bat b/cpu/br28/tools/download/earphone/download.bat
index 17ab080..d9517b2 100644
--- a/cpu/br28/tools/download/earphone/download.bat
+++ b/cpu/br28/tools/download/earphone/download.bat
@@ -10,7 +10,7 @@ copy ..\..\ota.bin .
 copy ..\..\anc_coeff.bin .
 copy ..\..\anc_gains.bin .
 
-..\..\isd_download.exe ..\..\isd_config.ini -tonorflash -dev br28 -boot 0x120000 -div8 -wait 300 -uboot ..\..\uboot.boot -app ..\..\app.bin -res ..\..\cfg_tool.bin tone.cfg p11_code.bin ..\..\eq_cfg_hw.bin -uboot_compress -key AC69.key -format all -key 646-AC690X-7603.key
+..\..\isd_download.exe ..\..\isd_config.ini -tonorflash -dev br28 -boot 0x120000 -div8 -wait 300 -uboot ..\..\uboot.boot -app ..\..\app.bin -res ..\..\cfg_tool.bin tone.cfg p11_code.bin ..\..\eq_cfg_hw.bin -uboot_compress -format all 
 
 @REM..\..\isd_download.exe ..\..\isd_config.ini -tonorflash -dev br34 -boot 0x20000 -div8 -wait 300 -uboot ..\..\uboot.boot -app ..\..\app.bin ..\..\cfg_tool.bin -res tone.cfg kws_command.bin p11_code.bin -uboot_compress
 
diff --git a/cpu/br28/tools/download/earphone/jl_isd.bin b/cpu/br28/tools/download/earphone/jl_isd.bin
index 9e421da..83ac4f3 100644
Binary files a/cpu/br28/tools/download/earphone/jl_isd.bin and b/cpu/br28/tools/download/earphone/jl_isd.bin differ
diff --git a/cpu/br28/tools/sdk.elf.resolution.txt b/cpu/br28/tools/sdk.elf.resolution.txt
index efb1e0b..5fc48ae 100644
--- a/cpu/br28/tools/sdk.elf.resolution.txt
+++ b/cpu/br28/tools/sdk.elf.resolution.txt
@@ -5393,8 +5393,6 @@ objs/apps/earphone/xtell_Sensor/send_data.c.o
 -r=objs/apps/earphone/xtell_Sensor/send_data.c.o,test_uart_init,pl
 -r=objs/apps/earphone/xtell_Sensor/send_data.c.o,sensor_test_task,pl
 -r=objs/apps/earphone/xtell_Sensor/send_data.c.o,test_func,pl
--r=objs/apps/earphone/xtell_Sensor/send_data.c.o,SL_SC7U22_Config,l
--r=objs/apps/earphone/xtell_Sensor/send_data.c.o,mmc5603nj_init,l
 -r=objs/apps/earphone/xtell_Sensor/send_data.c.o,WF_Init,l
 -r=objs/apps/earphone/xtell_Sensor/send_data.c.o,puts,l
 -r=objs/apps/earphone/xtell_Sensor/send_data.c.o,j,pl
@@ -5513,18 +5511,21 @@ objs/apps/earphone/xtell_Sensor/sensor/AK8963.c.o
 -r=objs/apps/earphone/xtell_Sensor/sensor/AK8963.c.o,puts,l
 objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o
 -r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,WF_Init,pl
--r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,delay,l
 -r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,printf,l
+-r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,delay,l
 -r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,WF_GetID,pl
 -r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,WF_Sleep,pl
 -r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,WF_Wakeup,pl
 -r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,WF_Temperature_Calculate,pl
 -r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,WF_Pressure_Calculate,pl
+-r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,WF_start_measure,pl
 -r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,WF_GET_Temperature_Pressure,pl
 -r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,WF_Altitude_Calculate,pl
 -r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,powf,l
--r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,gravity_sensor_command,l
--r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,_gravity_sensor_get_ndata,l
+-r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,hw_iic_start,l
+-r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,hw_iic_tx_byte,l
+-r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,hw_iic_stop,l
+-r=objs/apps/earphone/xtell_Sensor/sensor/WF282A.c.o,hw_iic_rx_byte,l
 cpu/br28/liba/cpu.a.llvm.19376.crc16.c
 -r=cpu/br28/liba/cpu.a.llvm.19376.crc16.c,__crc16_mutex_init,pl
 -r=cpu/br28/liba/cpu.a.llvm.19376.crc16.c,os_mutex_create,l