libs/rt-thread
libs
/
rt-thread
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[update][bsp][at32][driver]Optimized the pin-index algorithm

This commit is contained in:
jonas 2021-10-28 16:29:21 +08:00
parent 4fb86df0f6
commit e835b8f21c
1 changed files with 125 additions and 207 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

332
bsp/at32/Libraries/rt_drivers/drv_gpio.c
View File

@ -6,6 +6,7 @@
* Change Logs: * Change Logs:
* Date Author Notes * Date Author Notes
* 2020-01-07 shelton first version * 2020-01-07 shelton first version
* 2021-10-28 jonas optimization design pin-index algorithm
*/ */
#include <board.h> #include <board.h>
@ -13,135 +14,43 @@
#ifdef RT_USING_PIN #ifdef RT_USING_PIN
static const struct pin_index pins[] = #define PIN_NUM(port, no) (((((port) & 0xFu) << 4) | ((no) & 0xFu)))
{ #define PIN_PORT(pin) ((uint8_t)(((pin) >> 4) & 0xFu))
#if defined(GPIOA) #define PIN_NO(pin) ((uint8_t)((pin) & 0xFu))
__AT32_PIN(0 , A, 0 ),
__AT32_PIN(1 , A, 1 ), #define PIN_ATPORTSOURCE(pin) ((uint8_t)(((pin) & 0xF0u) >> 4))
__AT32_PIN(2 , A, 2 ), #define PIN_ATPINSOURCE(pin) ((uint8_t)((pin) & 0xFu))
__AT32_PIN(3 , A, 3 ), #define PIN_ATPORT(pin) ((GPIO_Type *)(GPIOA_BASE + (0x400u * PIN_PORT(pin))))
__AT32_PIN(4 , A, 4 ), #define PIN_ATPIN(pin) ((uint16_t)(1u << PIN_NO(pin)))
__AT32_PIN(5 , A, 5 ), #if defined(GPIOZ)
__AT32_PIN(6 , A, 6 ), #define __AT32_PORT_MAX 12u
__AT32_PIN(7 , A, 7 ), #elif defined(GPIOK)
__AT32_PIN(8 , A, 8 ), #define __AT32_PORT_MAX 11u
__AT32_PIN(9 , A, 9 ), #elif defined(GPIOJ)
__AT32_PIN(10, A, 10), #define __AT32_PORT_MAX 10u
__AT32_PIN(11, A, 11), #elif defined(GPIOI)
__AT32_PIN(12, A, 12), #define __AT32_PORT_MAX 9u
__AT32_PIN(13, A, 13), #elif defined(GPIOH)
__AT32_PIN(14, A, 14), #define __AT32_PORT_MAX 8u
__AT32_PIN(15, A, 15), #elif defined(GPIOG)
#if defined(GPIOB) #define __AT32_PORT_MAX 7u
__AT32_PIN(16, B, 0), #elif defined(GPIOF)
__AT32_PIN(17, B, 1), #define __AT32_PORT_MAX 6u
__AT32_PIN(18, B, 2), #elif defined(GPIOE)
__AT32_PIN(19, B, 3), #define __AT32_PORT_MAX 5u
__AT32_PIN(20, B, 4), #elif defined(GPIOD)
__AT32_PIN(21, B, 5), #define __AT32_PORT_MAX 4u
__AT32_PIN(22, B, 6), #elif defined(GPIOC)
__AT32_PIN(23, B, 7), #define __AT32_PORT_MAX 3u
__AT32_PIN(24, B, 8), #elif defined(GPIOB)
__AT32_PIN(25, B, 9), #define __AT32_PORT_MAX 2u
__AT32_PIN(26, B, 10), #elif defined(GPIOA)
__AT32_PIN(27, B, 11), #define __AT32_PORT_MAX 1u
__AT32_PIN(28, B, 12), #else
__AT32_PIN(29, B, 13), #define __AT32_PORT_MAX 0u
__AT32_PIN(30, B, 14), #error Unsupported AT32 GPIO peripheral.
__AT32_PIN(31, B, 15), #endif
#if defined(GPIOC) #define PIN_ATPORT_MAX __AT32_PORT_MAX
__AT32_PIN(32, C, 0),
__AT32_PIN(33, C, 1),
__AT32_PIN(34, C, 2),
__AT32_PIN(35, C, 3),
__AT32_PIN(36, C, 4),
__AT32_PIN(37, C, 5),
__AT32_PIN(38, C, 6),
__AT32_PIN(39, C, 7),
__AT32_PIN(40, C, 8),
__AT32_PIN(41, C, 9),
__AT32_PIN(42, C, 10),
__AT32_PIN(43, C, 11),
__AT32_PIN(44, C, 12),
__AT32_PIN(45, C, 13),
__AT32_PIN(46, C, 14),
__AT32_PIN(47, C, 15),
#if defined(GPIOD)
__AT32_PIN(48, D, 0),
__AT32_PIN(49, D, 1),
__AT32_PIN(50, D, 2),
__AT32_PIN(51, D, 3),
__AT32_PIN(52, D, 4),
__AT32_PIN(53, D, 5),
__AT32_PIN(54, D, 6),
__AT32_PIN(55, D, 7),
__AT32_PIN(56, D, 8),
__AT32_PIN(57, D, 9),
__AT32_PIN(58, D, 10),
__AT32_PIN(59, D, 11),
__AT32_PIN(60, D, 12),
__AT32_PIN(61, D, 13),
__AT32_PIN(62, D, 14),
__AT32_PIN(63, D, 15),
#if defined(GPIOE)
__AT32_PIN(64, E, 0),
__AT32_PIN(65, E, 1),
__AT32_PIN(66, E, 2),
__AT32_PIN(67, E, 3),
__AT32_PIN(68, E, 4),
__AT32_PIN(69, E, 5),
__AT32_PIN(70, E, 6),
__AT32_PIN(71, E, 7),
__AT32_PIN(72, E, 8),
__AT32_PIN(73, E, 9),
__AT32_PIN(74, E, 10),
__AT32_PIN(75, E, 11),
__AT32_PIN(76, E, 12),
__AT32_PIN(77, E, 13),
__AT32_PIN(78, E, 14),
__AT32_PIN(79, E, 15),
#if defined(GPIOF)
__AT32_PIN(80, F, 0),
__AT32_PIN(81, F, 1),
__AT32_PIN(82, F, 2),
__AT32_PIN(83, F, 3),
__AT32_PIN(84, F, 4),
__AT32_PIN(85, F, 5),
__AT32_PIN(86, F, 6),
__AT32_PIN(87, F, 7),
__AT32_PIN(88, F, 8),
__AT32_PIN(89, F, 9),
__AT32_PIN(90, F, 10),
__AT32_PIN(91, F, 11),
__AT32_PIN(92, F, 12),
__AT32_PIN(93, F, 13),
__AT32_PIN(94, F, 14),
__AT32_PIN(95, F, 15),
#if defined(GPIOG)
__AT32_PIN(96, G, 0),
__AT32_PIN(97, G, 1),
__AT32_PIN(98, G, 2),
__AT32_PIN(99, G, 3),
__AT32_PIN(100, G, 4),
__AT32_PIN(101, G, 5),
__AT32_PIN(102, G, 6),
__AT32_PIN(103, G, 7),
__AT32_PIN(104, G, 8),
__AT32_PIN(105, G, 9),
__AT32_PIN(106, G, 10),
__AT32_PIN(107, G, 11),
__AT32_PIN(108, G, 12),
__AT32_PIN(109, G, 13),
__AT32_PIN(110, G, 14),
__AT32_PIN(111, G, 15),
#endif /* defined(GPIOG) */
#endif /* defined(GPIOF) */
#endif /* defined(GPIOE) */
#endif /* defined(GPIOD) */
#endif /* defined(GPIOC) */
#endif /* defined(GPIOB) */
#endif /* defined(GPIOA) */
};
static const struct pin_irq_map pin_irq_map[] = static const struct pin_irq_map pin_irq_map[] =
{ {
@ -182,72 +91,62 @@ static struct rt_pin_irq_hdr pin_irq_hdr_tab[] =
{-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL},
{-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL},
}; };
static uint32_t pin_irq_enable_mask=0; static uint32_t pin_irq_enable_mask = 0;
#define ITEM_NUM(items) sizeof(items) / sizeof(items[0]) #define ITEM_NUM(items) sizeof(items) / sizeof(items[0])
static const struct pin_index *get_pin(uint8_t pin)
{
const struct pin_index *index;
if (pin < ITEM_NUM(pins))
{
index = &pins[pin];
if (index->index == -1)
index = RT_NULL;
}
else
{
index = RT_NULL;
}
return index;
};
static void at32_pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value) static void at32_pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value)
{ {
const struct pin_index *index; GPIO_Type *gpio_port;
uint16_t gpio_pin;
index = get_pin(pin); if (PIN_PORT(pin) < PIN_ATPORT_MAX)
if (index == RT_NULL) {
gpio_port = PIN_ATPORT(pin);
gpio_pin = PIN_ATPIN(pin);
}
else
{ {
return; return;
} }
GPIO_WriteBit(gpio_port, gpio_pin, (BitState)value);
GPIO_WriteBit(index->gpio, index->pin, (BitState)value);
} }
static int at32_pin_read(rt_device_t dev, rt_base_t pin) static int at32_pin_read(rt_device_t dev, rt_base_t pin)
{ {
GPIO_Type *gpio_port;
uint16_t gpio_pin;
int value; int value;
const struct pin_index *index;
value = PIN_LOW; value = PIN_LOW;
index = get_pin(pin); if (PIN_PORT(pin) < PIN_ATPORT_MAX)
if (index == RT_NULL)
{ {
return value; gpio_port = PIN_ATPORT(pin);
gpio_pin = PIN_ATPIN(pin);
value = GPIO_ReadInputDataBit(gpio_port, gpio_pin);
} }
value = GPIO_ReadInputDataBit(index->gpio, index->pin);
return value; return value;
} }
static void at32_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode) static void at32_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
{ {
const struct pin_index *index;
GPIO_InitType GPIO_InitStruct; GPIO_InitType GPIO_InitStruct;
GPIO_Type *gpio_port;
uint16_t gpio_pin;
index = get_pin(pin); if (PIN_PORT(pin) < PIN_ATPORT_MAX)
if (index == RT_NULL) {
gpio_port = PIN_ATPORT(pin);
gpio_pin = PIN_ATPIN(pin);
}
else
{ {
return; return;
} }
/* Configure GPIO_InitStructure */ /* Configure GPIO_InitStructure */
GPIO_StructInit(&GPIO_InitStruct); GPIO_StructInit(&GPIO_InitStruct);
GPIO_InitStruct.GPIO_Pins = index->pin; GPIO_InitStruct.GPIO_Pins = gpio_pin;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT_PP; GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT_PP;
GPIO_InitStruct.GPIO_MaxSpeed = GPIO_MaxSpeed_50MHz; GPIO_InitStruct.GPIO_MaxSpeed = GPIO_MaxSpeed_50MHz;
@ -277,7 +176,7 @@ static void at32_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT_OD; GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT_OD;
} }
GPIO_Init(index->gpio, &GPIO_InitStruct); GPIO_Init(gpio_port, &GPIO_InitStruct);
} }
rt_inline rt_int32_t bit2bitno(rt_uint32_t bit) rt_inline rt_int32_t bit2bitno(rt_uint32_t bit)
@ -304,21 +203,27 @@ rt_inline const struct pin_irq_map *get_pin_irq_map(uint32_t pinbit)
}; };
static rt_err_t at32_pin_attach_irq(struct rt_device *device, rt_int32_t pin, static rt_err_t at32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
rt_uint32_t mode, void (*hdr)(void *args), void *args) rt_uint32_t mode, void (*hdr)(void *args), void *args)
{ {
const struct pin_index *index; RT_UNUSED GPIO_Type *gpio_port;
uint16_t gpio_pin;
rt_base_t level; rt_base_t level;
rt_int32_t irqindex = -1; rt_int32_t irqindex = -1;
index = get_pin(pin); if (PIN_PORT(pin) < PIN_ATPORT_MAX)
if (index == RT_NULL)
{ {
return RT_ENOSYS; gpio_port = PIN_ATPORT(pin);
gpio_pin = PIN_ATPIN(pin);
} }
irqindex = bit2bitno(index->pin); else
{
return -RT_EINVAL;
}
irqindex = bit2bitno(gpio_pin);
if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map)) if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
{ {
return RT_ENOSYS; return -RT_EINVAL;
} }
level = rt_hw_interrupt_disable(); level = rt_hw_interrupt_disable();
@ -333,7 +238,7 @@ static rt_err_t at32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
if (pin_irq_hdr_tab[irqindex].pin != -1) if (pin_irq_hdr_tab[irqindex].pin != -1)
{ {
rt_hw_interrupt_enable(level); rt_hw_interrupt_enable(level);
return RT_EBUSY; return -RT_EBUSY;
} }
pin_irq_hdr_tab[irqindex].pin = pin; pin_irq_hdr_tab[irqindex].pin = pin;
pin_irq_hdr_tab[irqindex].hdr = hdr; pin_irq_hdr_tab[irqindex].hdr = hdr;
@ -346,19 +251,24 @@ static rt_err_t at32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
static rt_err_t at32_pin_dettach_irq(struct rt_device *device, rt_int32_t pin) static rt_err_t at32_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
{ {
const struct pin_index *index; RT_UNUSED GPIO_Type *gpio_port;
uint16_t gpio_pin;
rt_base_t level; rt_base_t level;
rt_int32_t irqindex = -1; rt_int32_t irqindex = -1;
index = get_pin(pin); if (PIN_PORT(pin) < PIN_ATPORT_MAX)
if (index == RT_NULL)
{ {
return RT_ENOSYS; gpio_port = PIN_ATPORT(pin);
gpio_pin = PIN_ATPIN(pin);
} }
irqindex = bit2bitno(index->pin); else
{
return -RT_EINVAL;
}
irqindex = bit2bitno(gpio_pin);
if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map)) if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
{ {
return RT_ENOSYS; return -RT_EINVAL;
} }
level = rt_hw_interrupt_disable(); level = rt_hw_interrupt_disable();
@ -377,28 +287,33 @@ static rt_err_t at32_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
} }
static rt_err_t at32_pin_irq_enable(struct rt_device *device, rt_base_t pin, static rt_err_t at32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
rt_uint32_t enabled) rt_uint32_t enabled)
{ {
GPIO_InitType GPIO_InitStruct; GPIO_InitType GPIO_InitStruct;
EXTI_InitType EXTI_InitStruct; EXTI_InitType EXTI_InitStruct;
NVIC_InitType NVIC_InitStruct; NVIC_InitType NVIC_InitStruct;
const struct pin_index *index; GPIO_Type *gpio_port;
uint16_t gpio_pin;
const struct pin_irq_map *irqmap; const struct pin_irq_map *irqmap;
rt_base_t level; rt_base_t level;
rt_int32_t irqindex = -1; rt_int32_t irqindex = -1;
index = get_pin(pin); if (PIN_PORT(pin) < PIN_ATPORT_MAX)
if (index == RT_NULL)
{ {
return RT_ENOSYS; gpio_port = PIN_ATPORT(pin);
gpio_pin = PIN_ATPIN(pin);
}
else
{
return -RT_EINVAL;
} }
if (enabled == PIN_IRQ_ENABLE) if (enabled == PIN_IRQ_ENABLE)
{ {
irqindex = bit2bitno(index->pin); irqindex = bit2bitno(gpio_pin);
if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map)) if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
{ {
return RT_ENOSYS; return -RT_EINVAL;
} }
level = rt_hw_interrupt_disable(); level = rt_hw_interrupt_disable();
@ -406,7 +321,7 @@ static rt_err_t at32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
if (pin_irq_hdr_tab[irqindex].pin == -1) if (pin_irq_hdr_tab[irqindex].pin == -1)
{ {
rt_hw_interrupt_enable(level); rt_hw_interrupt_enable(level);
return RT_ENOSYS; return -RT_EINVAL;
} }
irqmap = &pin_irq_map[irqindex]; irqmap = &pin_irq_map[irqindex];
@ -431,8 +346,10 @@ static rt_err_t at32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Rising_Falling; EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
break; break;
} }
GPIO_Init(index->gpio, &GPIO_InitStruct); GPIO_Init(gpio_port, &GPIO_InitStruct);
GPIO_EXTILineConfig(index->portsource, index->pinsource);
GPIO_EXTILineConfig(PIN_ATPORTSOURCE(pin), PIN_ATPINSOURCE(pin));
EXTI_Init(&EXTI_InitStruct); EXTI_Init(&EXTI_InitStruct);
NVIC_InitStruct.NVIC_IRQChannel = irqmap->irqno; NVIC_InitStruct.NVIC_IRQChannel = irqmap->irqno;
NVIC_InitStruct.NVIC_IRQChannelCmd = ENABLE; NVIC_InitStruct.NVIC_IRQChannelCmd = ENABLE;
@ -445,10 +362,10 @@ static rt_err_t at32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
} }
else if (enabled == PIN_IRQ_DISABLE) else if (enabled == PIN_IRQ_DISABLE)
{ {
irqmap = get_pin_irq_map(index->pin); irqmap = get_pin_irq_map(gpio_pin);
if (irqmap == RT_NULL) if (irqmap == RT_NULL)
{ {
return RT_ENOSYS; return -RT_EINVAL;
} }
level = rt_hw_interrupt_disable(); level = rt_hw_interrupt_disable();
@ -459,16 +376,16 @@ static rt_err_t at32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority = 5; NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority = 5;
NVIC_InitStruct.NVIC_IRQChannelSubPriority = 0; NVIC_InitStruct.NVIC_IRQChannelSubPriority = 0;
if (( irqmap->pinbit>=GPIO_Pins_5 )&&( irqmap->pinbit<=GPIO_Pins_9 )) if ((irqmap->pinbit >= GPIO_Pins_5) && (irqmap->pinbit <= GPIO_Pins_9))
{ {
if(!(pin_irq_enable_mask&(GPIO_Pins_5|GPIO_Pins_6|GPIO_Pins_7|GPIO_Pins_8|GPIO_Pins_9))) if (!(pin_irq_enable_mask & (GPIO_Pins_5 | GPIO_Pins_6 | GPIO_Pins_7 | GPIO_Pins_8 | GPIO_Pins_9)))
{ {
NVIC_InitStruct.NVIC_IRQChannel = irqmap->irqno; NVIC_InitStruct.NVIC_IRQChannel = irqmap->irqno;
} }
} }
else if (( irqmap->pinbit>=GPIO_Pins_10 )&&( irqmap->pinbit<=GPIO_Pins_15 )) else if ((irqmap->pinbit >= GPIO_Pins_10) && (irqmap->pinbit <= GPIO_Pins_15))
{ {
if(!(pin_irq_enable_mask&(GPIO_Pins_10|GPIO_Pins_11|GPIO_Pins_12|GPIO_Pins_13|GPIO_Pins_14|GPIO_Pins_15))) if (!(pin_irq_enable_mask & (GPIO_Pins_10 | GPIO_Pins_11 | GPIO_Pins_12 | GPIO_Pins_13 | GPIO_Pins_14 | GPIO_Pins_15)))
{ {
NVIC_InitStruct.NVIC_IRQChannel = irqmap->irqno; NVIC_InitStruct.NVIC_IRQChannel = irqmap->irqno;
} }
@ -483,11 +400,12 @@ static rt_err_t at32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
} }
else else
{ {
return -RT_ENOSYS; return -RT_EINVAL;
} }
return RT_EOK; return RT_EOK;
} }
const static struct rt_pin_ops _at32_pin_ops = const static struct rt_pin_ops _at32_pin_ops =
{ {
at32_pin_mode, at32_pin_mode,
@ -552,23 +470,23 @@ void EXTI4_IRQHandler(void)
void EXTI9_5_IRQHandler(void) void EXTI9_5_IRQHandler(void)
{ {
rt_interrupt_enter(); rt_interrupt_enter();
if(RESET != EXTI_GetIntStatus(EXTI_Line5)) if (RESET != EXTI_GetIntStatus(EXTI_Line5))
{ {
GPIO_EXTI_IRQHandler(GPIO_Pins_5); GPIO_EXTI_IRQHandler(GPIO_Pins_5);
} }
if(RESET != EXTI_GetIntStatus(EXTI_Line6)) if (RESET != EXTI_GetIntStatus(EXTI_Line6))
{ {
GPIO_EXTI_IRQHandler(GPIO_Pins_6); GPIO_EXTI_IRQHandler(GPIO_Pins_6);
} }
if(RESET != EXTI_GetIntStatus(EXTI_Line7)) if (RESET != EXTI_GetIntStatus(EXTI_Line7))
{ {
GPIO_EXTI_IRQHandler(GPIO_Pins_7); GPIO_EXTI_IRQHandler(GPIO_Pins_7);
} }
if(RESET != EXTI_GetIntStatus(EXTI_Line8)) if (RESET != EXTI_GetIntStatus(EXTI_Line8))
{ {
GPIO_EXTI_IRQHandler(GPIO_Pins_8); GPIO_EXTI_IRQHandler(GPIO_Pins_8);
} }
if(RESET != EXTI_GetIntStatus(EXTI_Line9)) if (RESET != EXTI_GetIntStatus(EXTI_Line9))
{ {
GPIO_EXTI_IRQHandler(GPIO_Pins_9); GPIO_EXTI_IRQHandler(GPIO_Pins_9);
} }
@ -578,27 +496,27 @@ void EXTI9_5_IRQHandler(void)
void EXTI15_10_IRQHandler(void) void EXTI15_10_IRQHandler(void)
{ {
rt_interrupt_enter(); rt_interrupt_enter();
if(RESET != EXTI_GetIntStatus(EXTI_Line10)) if (RESET != EXTI_GetIntStatus(EXTI_Line10))
{ {
GPIO_EXTI_IRQHandler(GPIO_Pins_10); GPIO_EXTI_IRQHandler(GPIO_Pins_10);
} }
if(RESET != EXTI_GetIntStatus(EXTI_Line11)) if (RESET != EXTI_GetIntStatus(EXTI_Line11))
{ {
GPIO_EXTI_IRQHandler(GPIO_Pins_11); GPIO_EXTI_IRQHandler(GPIO_Pins_11);
} }
if(RESET != EXTI_GetIntStatus(EXTI_Line12)) if (RESET != EXTI_GetIntStatus(EXTI_Line12))
{ {
GPIO_EXTI_IRQHandler(GPIO_Pins_12); GPIO_EXTI_IRQHandler(GPIO_Pins_12);
} }
if(RESET != EXTI_GetIntStatus(EXTI_Line13)) if (RESET != EXTI_GetIntStatus(EXTI_Line13))
{ {
GPIO_EXTI_IRQHandler(GPIO_Pins_13); GPIO_EXTI_IRQHandler(GPIO_Pins_13);
} }
if(RESET != EXTI_GetIntStatus(EXTI_Line14)) if (RESET != EXTI_GetIntStatus(EXTI_Line14))
{ {
GPIO_EXTI_IRQHandler(GPIO_Pins_14); GPIO_EXTI_IRQHandler(GPIO_Pins_14);
} }
if(RESET != EXTI_GetIntStatus(EXTI_Line15)) if (RESET != EXTI_GetIntStatus(EXTI_Line15))
{ {
GPIO_EXTI_IRQHandler(GPIO_Pins_15); GPIO_EXTI_IRQHandler(GPIO_Pins_15);
} }