Merge pull request #1635 from uestczyh222/drv_gpio

[Bsp][STM32F4xx-HAL]fix warning

bsp/stm32f4xx-HAL/drivers/drv_gpio.c

@@ -1580,7 +1580,7 @@ struct rt_pin_irq_hdr pin_irq_hdr_tab[] =
 };
 
 #define ITEM_NUM(items) sizeof(items) / sizeof(items[0])
-const rt_uint16_t get_pin(uint8_t pin)
+static rt_uint16_t get_pin(uint8_t pin)
 {
     rt_uint16_t gpio_pin = __STM32_PIN_DEFAULT;
     if (pin < ITEM_NUM(pins))
@@ -1590,7 +1590,7 @@ const rt_uint16_t get_pin(uint8_t pin)
     return gpio_pin;
 };
 
-void stm32_pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value)
+static void stm32_pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value)
 {
     rt_uint16_t gpio_pin;
     gpio_pin = get_pin(pin);
@@ -1601,7 +1601,7 @@ void stm32_pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value)
     HAL_GPIO_WritePin(get_st_gpio(gpio_pin), get_st_pin(gpio_pin), (GPIO_PinState)value);
 }
 
-int stm32_pin_read(rt_device_t dev, rt_base_t pin)
+static int stm32_pin_read(rt_device_t dev, rt_base_t pin)
 {
     rt_uint16_t gpio_pin;
     gpio_pin = get_pin(pin);
@@ -1612,7 +1612,7 @@ int stm32_pin_read(rt_device_t dev, rt_base_t pin)
     return HAL_GPIO_ReadPin(get_st_gpio(gpio_pin), get_st_pin(gpio_pin));
 }
 
-void stm32_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
+static void stm32_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
 {
     rt_uint16_t gpio_pin;
     GPIO_InitTypeDef GPIO_InitStruct;
@@ -1653,7 +1653,7 @@ void stm32_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
     HAL_GPIO_Init(get_st_gpio(gpio_pin), &GPIO_InitStruct);
 }
 
-rt_inline const struct pin_irq_map *get_pin_irq_map(rt_uint16_t gpio_pin)
+static const struct pin_irq_map *get_pin_irq_map(rt_uint16_t gpio_pin)
 {
     rt_int32_t mapindex = gpio_pin & 0xFF;
     if (mapindex < 0 || mapindex >= ITEM_NUM(pin_irq_map))
@@ -1663,7 +1663,7 @@ rt_inline const struct pin_irq_map *get_pin_irq_map(rt_uint16_t gpio_pin)
     return &pin_irq_map[mapindex];
 };
 
-rt_err_t stm32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
+static rt_err_t stm32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
                               rt_uint32_t mode, void (*hdr)(void *args), void *args)
 {
     rt_uint16_t gpio_pin;
@@ -1701,7 +1701,7 @@ rt_err_t stm32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     return RT_EOK;
 }
 
-rt_err_t stm32_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
+static rt_err_t stm32_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
 {
     rt_uint16_t gpio_pin;
     rt_base_t level;
@@ -1730,7 +1730,7 @@ rt_err_t stm32_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
     return RT_EOK;
 }
 
-rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
+static rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
                               rt_uint32_t enabled)
 {
     rt_uint16_t gpio_pin;
@@ -1814,7 +1814,7 @@ int rt_hw_pin_init(void)
 }
 INIT_BOARD_EXPORT(rt_hw_pin_init);
 
-rt_inline void pin_irq_hdr(uint16_t GPIO_Pin)
+static void pin_irq_hdr(uint16_t GPIO_Pin)
 {
     int irqno = 0;
     for(irqno = 0; irqno < 16; irqno ++)