diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteWorkData.h b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteWorkData.h
index da10ee000..9575ca583 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteWorkData.h
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteWorkData.h
@@ -3,22 +3,6 @@
 
 #include "EliteInstruction.h"
 
-#define IV_CURVE 0b00010000
-#define CV_CURVE 0b00100000
-#define VOLT_OUTPUT 0b00110000
-#define ZT_CURVE 0b01000000
-#define VT_CURVE 0b01010000
-#define IT_CURVE 0b01100000
-#define SET_SAMPLE_RATE 0b01110000
-#define SET_ADC_GAIN 0b10000000
-#define DIFFERENTIAL_PULSE_VOLTAMMETRY 0b10100000
-#define SQUARE_WAVE_VOLTAMMETRY 0b10110000
-#define CYCLIC_VOLTAMMETRY 0b11000000
-#define CONSTANT_CURRENT 0b11010000
-//#define READ_VOUT_VALUE 0b11100000
-#define LINEAR_SWEEP_VOLTAMMETRY 0b00000010
-#define CONSTANT_VSCAN 0b00000011
-
 static bool Free_Work_Mode = false;
 typedef void (*InitWorkData) ();
 
diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/Elite_batt.h b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/Elite_batt.h
index 31a56a8c9..259dda573 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/Elite_batt.h
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/Elite_batt.h
@@ -50,7 +50,6 @@ static uint8_t headstage_battery_volt2() {
 }
 
 static void headstage_battery_volt(){
-    uint8_t  internal_battery_percent;
     uint32_t bat_volt = 0;
 
     ReadBatVolt(spi_ADC_rxbuf);
@@ -61,7 +60,6 @@ static void headstage_battery_volt(){
 
 static void EliteADCBattery(){
     static uint8_t ADCSwitch = 0;
-    int32_t VoltData;
 
     if(ADCSwitch == 0){ /**read V**/
         ReadBatVolt(spi_ADC_rxbuf);
diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/Elite_version.h b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/Elite_version.h
index 730bee756..4b4e50848 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/Elite_version.h
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/Elite_version.h
@@ -6,7 +6,7 @@
 #define VERSION_DATE_MONTH     7
 #define VERSION_DATE_DAY       2
 #define VERSION_DATE_HOUR      9
-#define VERSION_DATE_MINUTE    41
+#define VERSION_DATE_MINUTE    42
 
 // this is NOT the version hash !!
 // it's the last version hash
diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage.h b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage.h
index 8f9584463..c99951d60 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage.h
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage.h
@@ -557,8 +557,6 @@ static void WorkModeLED();
 static void KeyWorkModeLED();
 
 
-static uint8_t headstage_battery_volt1();
-static uint8_t headstage_battery_volt2();
 static void headstage_battery_volt();
 /*=====================================
  ==== instruction update function  ====
@@ -574,49 +572,47 @@ static void set_update_instruction_callback(update_instruction_callback_type cal
 }
 
 // define BT instruction
-#define INS_TYPE_RIS 0b00110000
-#define INS_TYPE_VIS 0b11000000
-#define INS_TYPE_CIS 0b01110000
+#define INS_TYPE_RIS 0x30
+#define INS_TYPE_VIS 0xC0
+#define INS_TYPE_CIS 0x70
 
-// virtual instruction
-#define VIS_RST 0b11110000
-#define VIS_ASK 0b00110000
-#define VIS_STI 0b11000000
-#define VIS_FUH 0b10010000
-#define VIS_INT 0b01100000
-#define VIS_SHIFT_200K 0b10100000
-#define VIS_SHIFT_10K 0b11100000
-#define VIS_SHIFT_200R 0b10000000
-#define VIS_DEVICE_SHINY 0b00010000
-#define VIS_SHINY_DIS 0b00100000
-#define VIS_CC_ZERO 0b01000000
+// VIS (virtual instruction)
+#define VIS_RST          0xF0
+#define VIS_ASK          0x30
+#define VIS_STI          0xC0
+#define VIS_FUH          0x90
+#define VIS_INT          0x60
+#define VIS_SHIFT_200K   0xA0
+#define VIS_SHIFT_10K    0xE0
+#define VIS_SHIFT_200R   0x80
+#define VIS_DEVICE_SHINY 0x10
+#define VIS_SHINY_DIS    0x20
+#define VIS_CC_ZERO      0x40
 
-// real instruction
-#define IV_CURVE 0b00010000
-#define CV_CURVE 0b00100000
-#define VOLT_OUTPUT 0b00110000
-#define ZT_CURVE 0b01000000
-#define VT_CURVE 0b01010000
-#define IT_CURVE 0b01100000
-#define SET_SAMPLE_RATE 0b01110000
-#define SET_ADC_GAIN 0b10000000
-#define DIFFERENTIAL_PULSE_VOLTAMMETRY 0b10100000
-#define SQUARE_WAVE_VOLTAMMETRY 0b10110000
-#define CYCLIC_VOLTAMMETRY 0b11000000
-#define CONSTANT_CURRENT 0b11010000
-//#define READ_VOUT_VALUE 0b11100000
-#define CYCLE_CONSTANT_CURRENT 0b11110000
-#define HIGH_CYCLE_CYCLIC_VOLTAMMETRY 0b00000001
-#define LINEAR_SWEEP_VOLTAMMETRY 0b00000010
-#define CONSTANT_VSCAN 0b00000011
+// RIS (real instruction)
+#define IV_CURVE                        0x10
+#define CV_CURVE                        0x20
+#define VOLT_OUTPUT                     0x30
+#define ZT_CURVE                        0x40
+#define VT_CURVE                        0x50
+#define IT_CURVE                        0x60
+#define SET_SAMPLE_RATE                 0x70
+#define SET_ADC_GAIN                    0x80
+#define DIFFERENTIAL_PULSE_VOLTAMMETRY  0xA0
+#define SQUARE_WAVE_VOLTAMMETRY         0xB0
+#define CYCLIC_VOLTAMMETRY              0xC0
+#define CONSTANT_CURRENT                0xD0
+#define CYCLE_CONSTANT_CURRENT          0xF0
+#define HIGH_CYCLE_CYCLIC_VOLTAMMETRY   0x01
+#define LINEAR_SWEEP_VOLTAMMETRY        0x02
+#define CONSTANT_VSCAN                  0x03
+#define ADC_TEST                        0x90
+//#define READ_VOUT_VALUE               0xE0
 
-// CIS instruction
+// CIS (control instruction)
 #define CIS_VERSION 0x40
 #define CIS_VOLT    0x10
 
-// test instruction
-#define ADC_TEST 0b10010000
-
 // DAC and ADC function
 static uint16_t DAC_outputV(uint16_t voltLV);
 static int32_t DAC_to_realV(uint16_t DACcode);
diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/simple_peripheral.c b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/simple_peripheral.c
index 2622f86a3..4c41b9983 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/simple_peripheral.c
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/simple_peripheral.c
@@ -545,7 +545,6 @@ static void SimpleBLEPeripheral_init(void) {
 static void SimpleBLEPeripheral_taskFxn(UArg a0, UArg a1) {
 
 #define CLOCK_ONE_SECOND 10000
-uint16_t    bat_counter = 0;
 
     // Initialize application
     SimpleBLEPeripheral_init();