diff --git a/components/esp8266/driver/gpio.c b/components/esp8266/driver/gpio.c
index c2eeeb88..bdba574e 100644
--- a/components/esp8266/driver/gpio.c
+++ b/components/esp8266/driver/gpio.c
@@ -19,10 +19,10 @@
 
 void gpio_config(GPIO_ConfigTypeDef* pGPIOConfig)
 {
-    uint16 gpio_pin_mask = pGPIOConfig->GPIO_Pin;
-    uint32 io_reg;
-    uint8 io_num = 0;
-    uint32 pin_reg;
+    uint16_t gpio_pin_mask = pGPIOConfig->GPIO_Pin;
+    uint32_t io_reg;
+    uint8_t io_num = 0;
+    uint32_t pin_reg;
 
     if (pGPIOConfig->GPIO_Mode == GPIO_Mode_Input) {
         GPIO_AS_INPUT(gpio_pin_mask);
@@ -84,7 +84,7 @@ void gpio_config(GPIO_ConfigTypeDef* pGPIOConfig)
  * writes is significant, calling code should divide a single call
  * into multiple calls.
  */
-void gpio_output_conf(uint32 set_mask, uint32 clear_mask, uint32 enable_mask, uint32 disable_mask)
+void gpio_output_conf(uint32_t set_mask, uint32_t clear_mask, uint32_t enable_mask, uint32_t disable_mask)
 {
     GPIO_REG_WRITE(GPIO_OUT_W1TS_ADDRESS, set_mask);
     GPIO_REG_WRITE(GPIO_OUT_W1TC_ADDRESS, clear_mask);
@@ -95,7 +95,7 @@ void gpio_output_conf(uint32 set_mask, uint32 clear_mask, uint32 enable_mask, ui
 /*
  * Sample the value of GPIO input pins and returns a bitmask.
  */
-uint32 gpio_input_get(void)
+uint32_t gpio_input_get(void)
 {
     return GPIO_REG_READ(GPIO_IN_ADDRESS);
 }
@@ -119,9 +119,9 @@ void gpio_intr_handler_register(void* fn, void* arg)
 /*
   only highlevel and lowlevel intr can use for wakeup
 */
-void gpio_pin_wakeup_enable(uint32 i, GPIO_INT_TYPE intr_state)
+void gpio_pin_wakeup_enable(uint32_t i, GPIO_INT_TYPE intr_state)
 {
-    uint32 pin_reg;
+    uint32_t pin_reg;
 
     if ((intr_state == GPIO_PIN_INTR_LOLEVEL) || (intr_state == GPIO_PIN_INTR_HILEVEL)) {
         portENTER_CRITICAL();
@@ -138,8 +138,8 @@ void gpio_pin_wakeup_enable(uint32 i, GPIO_INT_TYPE intr_state)
 
 void gpio_pin_wakeup_disable(void)
 {
-    uint8  i;
-    uint32 pin_reg;
+    uint8_t  i;
+    uint32_t pin_reg;
 
     for (i = 0; i < GPIO_PIN_COUNT; i++) {
         pin_reg = GPIO_REG_READ(GPIO_PIN_ADDR(i));
@@ -153,9 +153,9 @@ void gpio_pin_wakeup_disable(void)
     }
 }
 
-void gpio_pin_intr_state_set(uint32 i, GPIO_INT_TYPE intr_state)
+void gpio_pin_intr_state_set(uint32_t i, GPIO_INT_TYPE intr_state)
 {
-    uint32 pin_reg;
+    uint32_t pin_reg;
 
     portENTER_CRITICAL();
 
@@ -170,34 +170,34 @@ void gpio_pin_intr_state_set(uint32 i, GPIO_INT_TYPE intr_state)
 void gpio16_output_conf(void)
 {
     WRITE_PERI_REG(PAD_XPD_DCDC_CONF,
-                   (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbc) | (uint32)0x1); 	// mux configuration for XPD_DCDC to output rtc_gpio0
+                   (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbc) | (uint32_t)0x1); 	// mux configuration for XPD_DCDC to output rtc_gpio0
 
     WRITE_PERI_REG(RTC_GPIO_CONF,
-                   (READ_PERI_REG(RTC_GPIO_CONF) & (uint32)0xfffffffe) | (uint32)0x0);	//mux configuration for out enable
+                   (READ_PERI_REG(RTC_GPIO_CONF) & (uint32_t)0xfffffffe) | (uint32_t)0x0);	//mux configuration for out enable
 
     WRITE_PERI_REG(RTC_GPIO_ENABLE,
-                   (READ_PERI_REG(RTC_GPIO_ENABLE) & (uint32)0xfffffffe) | (uint32)0x1);	//out enable
+                   (READ_PERI_REG(RTC_GPIO_ENABLE) & (uint32_t)0xfffffffe) | (uint32_t)0x1);	//out enable
 }
 
-void gpio16_output_set(uint8 value)
+void gpio16_output_set(uint8_t value)
 {
     WRITE_PERI_REG(RTC_GPIO_OUT,
-                   (READ_PERI_REG(RTC_GPIO_OUT) & (uint32)0xfffffffe) | (uint32)(value & 1));
+                   (READ_PERI_REG(RTC_GPIO_OUT) & (uint32_t)0xfffffffe) | (uint32_t)(value & 1));
 }
 
 void gpio16_input_conf(void)
 {
     WRITE_PERI_REG(PAD_XPD_DCDC_CONF,
-                   (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbc) | (uint32)0x1); 	// mux configuration for XPD_DCDC and rtc_gpio0 connection
+                   (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbc) | (uint32_t)0x1); 	// mux configuration for XPD_DCDC and rtc_gpio0 connection
 
     WRITE_PERI_REG(RTC_GPIO_CONF,
-                   (READ_PERI_REG(RTC_GPIO_CONF) & (uint32)0xfffffffe) | (uint32)0x0);	//mux configuration for out enable
+                   (READ_PERI_REG(RTC_GPIO_CONF) & (uint32_t)0xfffffffe) | (uint32_t)0x0);	//mux configuration for out enable
 
     WRITE_PERI_REG(RTC_GPIO_ENABLE,
-                   READ_PERI_REG(RTC_GPIO_ENABLE) & (uint32)0xfffffffe);	//out disable
+                   READ_PERI_REG(RTC_GPIO_ENABLE) & (uint32_t)0xfffffffe);	//out disable
 }
 
-uint8 gpio16_input_get(void)
+uint8_t gpio16_input_get(void)
 {
-    return (uint8)(READ_PERI_REG(RTC_GPIO_IN_DATA) & 1);
+    return (uint8_t)(READ_PERI_REG(RTC_GPIO_IN_DATA) & 1);
 }
diff --git a/components/esp8266/driver/hw_timer.c b/components/esp8266/driver/hw_timer.c
index d881178a..cabf1b64 100644
--- a/components/esp8266/driver/hw_timer.c
+++ b/components/esp8266/driver/hw_timer.c
@@ -59,7 +59,7 @@ void hw_timer_disarm(void)
     RTC_REG_WRITE(FRC1_CTRL_ADDRESS, 0);
 }
 
-void hw_timer_arm(uint32 val, bool req)
+void hw_timer_arm(uint32_t val, bool req)
 {
     frc1_auto_load = req;
 
@@ -102,18 +102,18 @@ void hw_timer_init(void)
 #if 0
 #include "hw_timer.h"
 
-#define REG_WRITE(_r,_v)    (*(volatile uint32 *)(_r)) = (_v)
-#define REG_READ(_r)        (*(volatile uint32 *)(_r))
+#define REG_WRITE(_r,_v)    (*(volatile uint32_t *)(_r)) = (_v)
+#define REG_READ(_r)        (*(volatile uint32_t *)(_r))
 #define WDEV_NOW()          REG_READ(0x3ff20c00)
 
-uint32 tick_now2 = 0;
+uint32_t tick_now2 = 0;
 void hw_test_timer_cb(void)
 {
     static uint16 j = 0;
     j++;
 
     if ((WDEV_NOW() - tick_now2) >= 1000000) {
-        static uint32 idx = 1;
+        static uint32_t idx = 1;
         tick_now2 = WDEV_NOW();
         os_printf("b%u:%d\n", idx++, j);
         j = 0;
diff --git a/components/esp8266/driver/i2c_master.c b/components/esp8266/driver/i2c_master.c
index 63f7aea2..9eeb9f8e 100644
--- a/components/esp8266/driver/i2c_master.c
+++ b/components/esp8266/driver/i2c_master.c
@@ -20,18 +20,18 @@
 
 #include "i2c_master.h"
 
-static uint8 m_nLastSDA;
-static uint8 m_nLastSCL;
+static uint8_t m_nLastSDA;
+static uint8_t m_nLastSCL;
 
 /******************************************************************************
  * FunctionName : i2c_master_setDC
  * Description  : Internal used function -
  *                    set i2c SDA and SCL bit value for half clk cycle
- * Parameters   : uint8 SDA
- *                uint8 SCL
+ * Parameters   : uint8_t SDA
+ *                uint8_t SCL
  * Returns      : NONE
 *******************************************************************************/
-static void i2c_master_setDC(uint8 SDA, uint8 SCL)
+static void i2c_master_setDC(uint8_t SDA, uint8_t SCL)
 {
     SDA &= 0x01;
     SCL &= 0x01;
@@ -57,11 +57,11 @@ static void i2c_master_setDC(uint8 SDA, uint8 SCL)
  * Description  : Internal used function -
  *                    get i2c SDA bit value
  * Parameters   : NONE
- * Returns      : uint8 - SDA bit value
+ * Returns      : uint8_t - SDA bit value
 *******************************************************************************/
-static uint8 i2c_master_getDC(void)
+static uint8_t i2c_master_getDC(void)
 {
-    uint8 sda_out;
+    uint8_t sda_out;
     ETS_INTR_LOCK();
     sda_out = GPIO_INPUT_GET(GPIO_ID_PIN(I2C_MASTER_SDA_GPIO));
     ETS_INTR_UNLOCK();
@@ -76,7 +76,7 @@ static uint8 i2c_master_getDC(void)
 *******************************************************************************/
 void i2c_master_init(void)
 {
-    uint8 i;
+    uint8_t i;
 
     i2c_master_setDC(1, 0);
     i2c_master_wait(5);
@@ -165,10 +165,10 @@ void i2c_master_stop(void)
 /******************************************************************************
  * FunctionName : i2c_master_setAck
  * Description  : set ack to i2c bus as level value
- * Parameters   : uint8 level - 0 or 1
+ * Parameters   : uint8_t level - 0 or 1
  * Returns      : NONE
 *******************************************************************************/
-void i2c_master_setAck(uint8 level)
+void i2c_master_setAck(uint8_t level)
 {
     i2c_master_setDC(m_nLastSDA, 0);
     i2c_master_wait(5);
@@ -186,11 +186,11 @@ void i2c_master_setAck(uint8 level)
  * FunctionName : i2c_master_getAck
  * Description  : confirm if peer send ack
  * Parameters   : NONE
- * Returns      : uint8 - ack value, 0 or 1
+ * Returns      : uint8_t - ack value, 0 or 1
 *******************************************************************************/
-uint8 i2c_master_getAck(void)
+uint8_t i2c_master_getAck(void)
 {
-    uint8 retVal;
+    uint8_t retVal;
     i2c_master_setDC(m_nLastSDA, 0);
     i2c_master_wait(5);
     i2c_master_setDC(1, 0);
@@ -247,12 +247,12 @@ void i2c_master_send_nack(void)
  * FunctionName : i2c_master_readByte
  * Description  : read Byte from i2c bus
  * Parameters   : NONE
- * Returns      : uint8 - readed value
+ * Returns      : uint8_t - readed value
 *******************************************************************************/
-uint8 i2c_master_readByte(void)
+uint8_t i2c_master_readByte(void)
 {
-    uint8 retVal = 0;
-    uint8 k, i;
+    uint8_t retVal = 0;
+    uint8_t k, i;
 
     i2c_master_wait(5);
     i2c_master_setDC(m_nLastSDA, 0);
@@ -285,13 +285,13 @@ uint8 i2c_master_readByte(void)
 /******************************************************************************
  * FunctionName : i2c_master_writeByte
  * Description  : write wrdata value(one byte) into i2c
- * Parameters   : uint8 wrdata - write value
+ * Parameters   : uint8_t wrdata - write value
  * Returns      : NONE
 *******************************************************************************/
-void i2c_master_writeByte(uint8 wrdata)
+void i2c_master_writeByte(uint8_t wrdata)
 {
-    uint8 dat;
-    sint8 i;
+    uint8_t dat;
+    int8_t i;
 
     i2c_master_wait(5);
 
diff --git a/components/esp8266/driver/spi_interface.c b/components/esp8266/driver/spi_interface.c
index 7d42f325..15de66f2 100644
--- a/components/esp8266/driver/spi_interface.c
+++ b/components/esp8266/driver/spi_interface.c
@@ -457,7 +457,7 @@ void SPIMasterSendStatus(SpiNum spiNum, uint8_t data)
     SET_PERI_REG_BITS(SPI_USER1(spiNum), SPI_USR_MOSI_BITLEN,
                       ((sizeof(data) << 3) - 1), SPI_USR_MOSI_BITLEN_S);
 
-    WRITE_PERI_REG(SPI_W0(spiNum), (uint32)(data));
+    WRITE_PERI_REG(SPI_W0(spiNum), (uint32_t)(data));
     // Start SPI
     SET_PERI_REG_MASK(SPI_CMD(spiNum), SPI_USR);
 
@@ -496,7 +496,7 @@ int SPIMasterRecvStatus(SpiNum spiNum)
     (void)(READ_PERI_REG(SPI_W0(spiNum)) & 0xff);
     SHOWREG();
 
-    return (uint8)(READ_PERI_REG(SPI_W0(spiNum)) & 0xff);
+    return (uint8_t)(READ_PERI_REG(SPI_W0(spiNum)) & 0xff);
 }
 
 /**
diff --git a/components/esp8266/driver/uart.c b/components/esp8266/driver/uart.c
index b4d221c3..fa348156 100644
--- a/components/esp8266/driver/uart.c
+++ b/components/esp8266/driver/uart.c
@@ -27,17 +27,17 @@ enum {
 };
 
 typedef struct _os_event_ {
-    uint32 event;
-    uint32 param;
+    uint32_t event;
+    uint32_t param;
 } os_event_t;
 
 xTaskHandle xUartTaskHandle;
 xQueueHandle xQueueUart;
 
-static STATUS uart_tx_one_char(uint8 uart, uint8 TxChar)
+static STATUS uart_tx_one_char(uint8_t uart, uint8_t TxChar)
 {
     while (true) {
-        uint32 fifo_cnt = READ_PERI_REG(UART_STATUS(uart)) & (UART_TXFIFO_CNT << UART_TXFIFO_CNT_S);
+        uint32_t fifo_cnt = READ_PERI_REG(UART_STATUS(uart)) & (UART_TXFIFO_CNT << UART_TXFIFO_CNT_S);
 
         if ((fifo_cnt >> UART_TXFIFO_CNT_S & UART_TXFIFO_CNT) < 126) {
             break;
@@ -79,8 +79,8 @@ static void uart_rx_intr_handler_ssc(void *arg)
     os_event_t e;
     portBASE_TYPE xHigherPriorityTaskWoken;
 
-    uint8 RcvChar;
-    uint8 uart_no = 0;
+    uint8_t RcvChar;
+    uint8_t uart_no = 0;
 
     if (UART_RXFIFO_FULL_INT_ST != (READ_PERI_REG(UART_INT_ST(uart_no)) & UART_RXFIFO_FULL_INT_ST)) {
         return;
@@ -97,7 +97,7 @@ static void uart_rx_intr_handler_ssc(void *arg)
     portEND_SWITCHING_ISR(xHigherPriorityTaskWoken);
 }
 
-static void uart_config(uint8 uart_no, UartDevice *uart)
+static void uart_config(uint8_t uart_no, UartDevice *uart)
 {
     if (uart_no == UART1) {
         PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO2_U, FUNC_U1TXD_BK);
@@ -180,7 +180,7 @@ void uart_init(void)
 
     xQueueUart = xQueueCreate(32, sizeof(os_event_t));
 
-    xTaskCreate(uart_task, (uint8 const*)"uTask", 512, NULL, tskIDLE_PRIORITY + 2, &xUartTaskHandle);
+    xTaskCreate(uart_task, (uint8_t const*)"uTask", 512, NULL, tskIDLE_PRIORITY + 2, &xUartTaskHandle);
 }
 #endif
 
@@ -212,13 +212,13 @@ void UART_SetParity(UART_Port uart_no, UART_ParityMode Parity_mode)
     }
 }
 
-void UART_SetBaudrate(UART_Port uart_no, uint32 baud_rate)
+void UART_SetBaudrate(UART_Port uart_no, uint32_t baud_rate)
 {
     uart_div_modify(uart_no, UART_CLK_FREQ / baud_rate);
 }
 
 //only when USART_HardwareFlowControl_RTS is set , will the rx_thresh value be set.
-void UART_SetFlowCtrl(UART_Port uart_no, UART_HwFlowCtrl flow_ctrl, uint8 rx_thresh)
+void UART_SetFlowCtrl(UART_Port uart_no, UART_HwFlowCtrl flow_ctrl, uint8_t rx_thresh)
 {
     if (flow_ctrl & USART_HardwareFlowControl_RTS) {
         PIN_FUNC_SELECT(PERIPHS_IO_MUX_MTDO_U, FUNC_U0RTS);
@@ -247,12 +247,12 @@ void UART_ResetFifo(UART_Port uart_no)
     CLEAR_PERI_REG_MASK(UART_CONF0(uart_no), UART_RXFIFO_RST | UART_TXFIFO_RST);
 }
 
-void UART_ClearIntrStatus(UART_Port uart_no, uint32 clr_mask)
+void UART_ClearIntrStatus(UART_Port uart_no, uint32_t clr_mask)
 {
     WRITE_PERI_REG(UART_INT_CLR(uart_no), clr_mask);
 }
 
-void UART_SetIntrEna(UART_Port uart_no, uint32 ena_mask)
+void UART_SetIntrEna(UART_Port uart_no, uint32_t ena_mask)
 {
     SET_PERI_REG_MASK(UART_INT_ENA(uart_no), ena_mask);
 }
@@ -297,7 +297,7 @@ void UART_ParamConfig(UART_Port uart_no,  UART_ConfigTypeDef* pUARTConfig)
 void UART_IntrConfig(UART_Port uart_no,  UART_IntrConfTypeDef* pUARTIntrConf)
 {
 
-    uint32 reg_val = 0;
+    uint32_t reg_val = 0;
     UART_ClearIntrStatus(uart_no, UART_INTR_MASK);
     reg_val = READ_PERI_REG(UART_CONF1(uart_no)) & ((UART_RX_FLOW_THRHD << UART_RX_FLOW_THRHD_S) | UART_RX_FLOW_EN) ;
 
@@ -320,11 +320,11 @@ static void uart0_rx_intr_handler(void* para)
     /* uart0 and uart1 intr combine togther, when interrupt occur, see reg 0x3ff20020, bit2, bit0 represents
     * uart1 and uart0 respectively
     */
-    uint8 uart_no = UART0;//UartDev.buff_uart_no;
-    uint8 fifo_len = 0;
-    uint8 buf_idx = 0;
+    uint8_t uart_no = UART0;//UartDev.buff_uart_no;
+    uint8_t fifo_len = 0;
+    uint8_t buf_idx = 0;
 
-    uint32 uart_intr_status = READ_PERI_REG(UART_INT_ST(uart_no)) ;
+    uint32_t uart_intr_status = READ_PERI_REG(UART_INT_ST(uart_no)) ;
 
     while (uart_intr_status != 0x0) {
         if (UART_FRM_ERR_INT_ST == (uart_intr_status & UART_FRM_ERR_INT_ST)) {
diff --git a/components/esp8266/include/driver/gpio.h b/components/esp8266/include/driver/gpio.h
index 67d1f3a0..a496e301 100644
--- a/components/esp8266/include/driver/gpio.h
+++ b/components/esp8266/include/driver/gpio.h
@@ -19,6 +19,8 @@
 extern "C" {
 #endif
 
+#include <stdint.h>
+
 #include "esp8266/gpio_register.h"
 
 #define ETS_GPIO_INTR_ENABLE()  _xt_isr_unmask(1 << ETS_GPIO_INUM)
@@ -106,7 +108,7 @@ typedef enum {
 } GPIO_Pullup_IF;
 
 typedef struct {
-    uint16           GPIO_Pin;      /**< GPIO pin */
+    uint16_t           GPIO_Pin;      /**< GPIO pin */
     GPIOMode_TypeDef GPIO_Mode;     /**< GPIO mode */
     GPIO_Pullup_IF   GPIO_Pullup;   /**< GPIO pullup */
     GPIO_INT_TYPE    GPIO_IntrType; /**< GPIO interrupt type */
@@ -199,11 +201,11 @@ void gpio16_output_conf(void);
 /**
   * @brief   Set GPIO16 output level.
   *
-  * @param   uint8 value : GPIO16 output level.
+  * @param   uint8_t value : GPIO16 output level.
   *
   * @return  null
   */
-void gpio16_output_set(uint8 value);
+void gpio16_output_set(uint8_t value);
 
 /**
   * @brief   Enable GPIO pin intput.
@@ -221,23 +223,23 @@ void gpio16_input_conf(void);
   *
   * @return  the level  of GPIO16 input.
   */
-uint8 gpio16_input_get(void);
+uint8_t gpio16_input_get(void);
 
 /**
   * @brief   Configure Gpio pins out or input.
   *
-  * @param   uint32 set_mask     : Set the output for the high bit, the
+  * @param   uint32_t set_mask     : Set the output for the high bit, the
   *                                corresponding bit is 1, the output of high,
   *                                the corresponding bit is 0, do not change the state.
-  * @param   uint32 set_mask     : Set the output for the high bit, the
+  * @param   uint32_t set_mask     : Set the output for the high bit, the
   *                                corresponding bit is 1, the output of low,
   *                                the corresponding bit is 0, do not change the state.
-  * @param   uint32 enable_mask  : Enable Output
-  * @param   uint32 disable_mask : Enable Input
+  * @param   uint32_t enable_mask  : Enable Output
+  * @param   uint32_t disable_mask : Enable Input
   *
   * @return  null
   */
-void gpio_output_conf(uint32 set_mask, uint32 clear_mask, uint32 enable_mask, uint32 disable_mask);
+void gpio_output_conf(uint32_t set_mask, uint32_t clear_mask, uint32_t enable_mask, uint32_t disable_mask);
 
 /**
   * @brief   Register an application-specific interrupt handler for GPIO pin interrupts.
@@ -252,12 +254,12 @@ void gpio_intr_handler_register(void* fn, void* arg);
 /**
   * @brief   Configure GPIO wake up to light sleep,Only level way is effective.
   *
-  * @param   uint32 i : Gpio sequence number
+  * @param   uint32_t i : Gpio sequence number
   * @param   GPIO_INT_TYPE intr_state : the level of wake up to light sleep
   *
   * @return  null
   */
-void gpio_pin_wakeup_enable(uint32 i, GPIO_INT_TYPE intr_state);
+void gpio_pin_wakeup_enable(uint32_t i, GPIO_INT_TYPE intr_state);
 
 /**
   * @brief   Disable GPIO wake up to light sleep.
@@ -271,12 +273,12 @@ void gpio_pin_wakeup_disable();
 /**
   * @brief   Config interrupt types of GPIO pin.
   *
-  * @param   uint32 i : The GPIO sequence number.
+  * @param   uint32_t i : The GPIO sequence number.
   * @param   GPIO_INT_TYPE intr_state : GPIO interrupt types.
   *
   * @return  null
   */
-void gpio_pin_intr_state_set(uint32 i, GPIO_INT_TYPE intr_state);
+void gpio_pin_intr_state_set(uint32_t i, GPIO_INT_TYPE intr_state);
 
 /**
   * @brief   Sample the value of GPIO input pins and returns a bitmask.
@@ -285,7 +287,7 @@ void gpio_pin_intr_state_set(uint32 i, GPIO_INT_TYPE intr_state);
   *
   * @return  bitmask of GPIO pins input
   */
-uint32 gpio_input_get(void);
+uint32_t gpio_input_get(void);
 
 /**
   * @}
diff --git a/components/esp8266/include/driver/hw_timer.h b/components/esp8266/include/driver/hw_timer.h
index 18ef882e..db5bfee6 100644
--- a/components/esp8266/include/driver/hw_timer.h
+++ b/components/esp8266/include/driver/hw_timer.h
@@ -43,15 +43,15 @@ void hw_timer_init(void);
 /**
   * @brief   Set a trigger timer delay to enable this timer.
   *
-  * @param   uint32 val : Timing
+  * @param   uint32_t val : Timing
   *    - In autoload mode, range : 50 ~ 0x7fffff
   *    - In non-autoload mode, range : 10 ~ 0x7fffff
   *
-  * @param   uint8 req : 0, not autoload; 1, autoload mode.
+  * @param   uint8_t req : 0, not autoload; 1, autoload mode.
   *
   * @return  null
   */
-void hw_timer_arm(uint32 val, bool req);
+void hw_timer_arm(uint32_t val, bool req);
 
 /**
   * @brief   disable this timer.
@@ -67,7 +67,7 @@ void hw_timer_disarm(void);
   *
   *         For enabled timer, timer callback has to be set.
   *
-  * @param   uint32 val : Timing
+  * @param   uint32_t val : Timing
   *    - In autoload mode, range : 50 ~ 0x7fffff
   *    - In non-autoload mode, range : 10 ~ 0x7fffff
   *
diff --git a/components/esp8266/include/driver/i2c_master.h b/components/esp8266/include/driver/i2c_master.h
index 0661586d..29368c86 100644
--- a/components/esp8266/include/driver/i2c_master.h
+++ b/components/esp8266/include/driver/i2c_master.h
@@ -117,7 +117,7 @@ void i2c_master_start(void);
   *
   * @return  null
   */
-void i2c_master_setAck(uint8 level);
+void i2c_master_setAck(uint8_t level);
 
 /**
   * @brief   confirm if peer send ack.
@@ -126,7 +126,7 @@ void i2c_master_setAck(uint8 level);
   *
   * @return  null
   */
-uint8 i2c_master_getAck(void);
+uint8_t i2c_master_getAck(void);
 
 /**
   * @brief   read Byte from i2c bus.
@@ -135,16 +135,16 @@ uint8 i2c_master_getAck(void);
   *
   * @return  the byte which read from i2c bus.
   */
-uint8 i2c_master_readByte(void);
+uint8_t i2c_master_readByte(void);
 
 /**
   * @brief   write wrdata value(one byte) into i2c.
   *
-  * @param uint8 wrdata:write value
+  * @param uint8_t wrdata:write value
   *
   * @return  null
   */
-void i2c_master_writeByte(uint8 wrdata);
+void i2c_master_writeByte(uint8_t wrdata);
 
 /**
   * @brief   i2c_master_checkAck.
diff --git a/components/esp8266/include/driver/uart.h b/components/esp8266/include/driver/uart.h
index b16d32b0..b4cb7a8f 100644
--- a/components/esp8266/include/driver/uart.h
+++ b/components/esp8266/include/driver/uart.h
@@ -93,15 +93,15 @@ typedef struct {
     UART_ParityMode parity;    // chip size in byte
     UART_StopBits   stop_bits;
     UART_HwFlowCtrl flow_ctrl;
-    uint8           UART_RxFlowThresh ;
-    uint32          UART_InverseMask;
+    uint8_t           UART_RxFlowThresh ;
+    uint32_t          UART_InverseMask;
 } UART_ConfigTypeDef;
 
 typedef struct {
-    uint32 UART_IntrEnMask;
-    uint8  UART_RX_TimeOutIntrThresh;
-    uint8  UART_TX_FifoEmptyIntrThresh;
-    uint8  UART_RX_FifoFullIntrThresh;
+    uint32_t UART_IntrEnMask;
+    uint8_t  UART_RX_TimeOutIntrThresh;
+    uint8_t  UART_TX_FifoEmptyIntrThresh;
+    uint8_t  UART_RX_FifoFullIntrThresh;
 } UART_IntrConfTypeDef;
 
 //=======================================
@@ -144,21 +144,21 @@ void UART_ResetFifo(UART_Port uart_no);
   * @brief  Clear uart interrupt flags.
   *
   * @param   UART_Port uart_no : UART0 or UART1
-  * @param   uint32 clr_mask : To clear the interrupt bits
+  * @param   uint32_t clr_mask : To clear the interrupt bits
   *
   * @return  null
   */
-void UART_ClearIntrStatus(UART_Port uart_no, uint32 clr_mask);
+void UART_ClearIntrStatus(UART_Port uart_no, uint32_t clr_mask);
 
 /**
   * @brief   Enable uart interrupts .
   *
   * @param   UART_Port uart_no : UART0 or UART1
-  * @param   uint32 ena_mask : To enable the interrupt bits
+  * @param   uint32_t ena_mask : To enable the interrupt bits
   *
   * @return  null
   */
-void UART_SetIntrEna(UART_Port uart_no, uint32 ena_mask);
+void UART_SetIntrEna(UART_Port uart_no, uint32_t ena_mask);
 
 /**
   * @brief   Register an application-specific interrupt handler for Uarts interrupts.
@@ -233,22 +233,22 @@ void UART_SetParity(UART_Port uart_no, UART_ParityMode Parity_mode) ;
   * @brief   Configure the Baud rate.
   *
   * @param   UART_Port uart_no : UART0 or UART1
-  * @param   uint32 baud_rate : the Baud rate
+  * @param   uint32_t baud_rate : the Baud rate
   *
   * @return  null
   */
-void UART_SetBaudrate(UART_Port uart_no, uint32 baud_rate);
+void UART_SetBaudrate(UART_Port uart_no, uint32_t baud_rate);
 
 /**
   * @brief   Configure Hardware flow control.
   *
   * @param   UART_Port uart_no : UART0 or UART1
   * @param   UART_HwFlowCtrl flow_ctrl : Hardware flow control mode
-  * @param   uint8 rx_thresh : threshold of Hardware flow control
+  * @param   uint8_t rx_thresh : threshold of Hardware flow control
   *
   * @return  null
   */
-void UART_SetFlowCtrl(UART_Port uart_no, UART_HwFlowCtrl flow_ctrl, uint8 rx_thresh);
+void UART_SetFlowCtrl(UART_Port uart_no, UART_HwFlowCtrl flow_ctrl, uint8_t rx_thresh);
 
 /**
   * @brief   Configure trigging signal of uarts.