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添加串口读写

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hm-thinkbook14p
2024-02-29 00:45:47 +08:00
parent 5b87198936
commit deafcfed1a
62 changed files with 20818 additions and 22162 deletions
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DRV/drv_key.c
+83 -115
View File
@@ -6,137 +6,105 @@
*/
#include "drv_key.h"
uint8_t keys[4] = {0x00};
KEY_t key1;
KEY_t key2;
KEY_t key3;
KEY_t key4;
void EXTI2_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void EXTI3_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void EXTI4_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void EXTI9_5_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
/*********************************************************************
* @fn EXTI0_INT_INIT
*
* @brief Initializes EXTI0 collection.
*
* @return none
*/
void exti_init(void)
void key_init(void)
{
key_config(&key1, GPIOD, GPIO_Pin_2, 0);
key_config(&key2, GPIOB, GPIO_Pin_3, 0);
key_config(&key3, GPIOB, GPIO_Pin_4, 0);
key_config(&key4, GPIOB, GPIO_Pin_5, 0);
}
void key_thread(void)
{
key_update(&key1);
key_update(&key2);
key_update(&key3);
key_update(&key4);
}
void key_config(KEY_ptr ptr, GPIO_TypeDef *GPIO, uint32_t Pin, uint8_t type)
{
ptr->GPIO = GPIO;
ptr->Pin = Pin;
ptr->type = type;
ptr->delay = 20;//20ms
ptr->state = release;//定义按下是的电平，如果按下时高电平，赋值0x01，如果按下时，电平信号为低电平，那么赋值为0x00;
ptr->last = release;
ptr->current = release;
//初始化IO口
GPIO_InitTypeDef GPIO_InitStructure = {0};
EXTI_InitTypeDef EXTI_InitStructure = {0};
NVIC_InitTypeDef NVIC_InitStructure = {0};
uint32_t RCC_Periph;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOD, ENABLE);
if(ptr->GPIO == GPIOA)RCC_Periph = RCC_APB2Periph_GPIOA;
else if(ptr->GPIO == GPIOB)RCC_Periph = RCC_APB2Periph_GPIOB;
else if(ptr->GPIO == GPIOC)RCC_Periph = RCC_APB2Periph_GPIOC;
else if(ptr->GPIO == GPIOD)RCC_Periph = RCC_APB2Periph_GPIOD;
else if(ptr->GPIO == GPIOE)RCC_Periph = RCC_APB2Periph_GPIOE;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
RCC_APB2PeriphClockCmd(RCC_Periph, ENABLE);
GPIO_InitStructure.GPIO_Pin = ptr->Pin;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOB, &GPIO_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI4_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
EXTI_ClearITPendingBit(EXTI_Line2);
EXTI_ClearITPendingBit(EXTI_Line3);
EXTI_ClearITPendingBit(EXTI_Line4);
EXTI_ClearITPendingBit(EXTI_Line5);
/* GPIOD ----> EXTI_Line2 */
GPIO_EXTILineConfig(GPIO_PortSourceGPIOD, GPIO_PinSource2);
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_InitStructure.EXTI_Line = EXTI_Line2;
EXTI_Init(&EXTI_InitStructure);
/* GPIOB ----> EXTI_Line3,4,5 */
GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource3);
GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource4);
GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource5);
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_InitStructure.EXTI_Line = EXTI_Line3 | EXTI_Line4 | EXTI_Line5;
EXTI_Init(&EXTI_InitStructure);
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_Init(ptr->GPIO, &GPIO_InitStructure);
}
void EXTI2_IRQHandler(void)
void key_update(KEY_ptr ptr)
{
if(EXTI_GetITStatus(EXTI_Line2)!=RESET)
{
keys[0] = (keys[0] > 0)?(0x00):(0x01);
EXTI_ClearITPendingBit(EXTI_Line2); /* Clear Flag */
}
}
uint8_t gpio_bit = (GPIO_ReadInputDataBit(ptr->GPIO,ptr->Pin))?(0x01):(0x00);
void EXTI3_IRQHandler(void)
{
if(EXTI_GetITStatus(EXTI_Line3)!=RESET)
{
keys[1] = (keys[1] > 0)?(0x00):(0x01);
EXTI_ClearITPendingBit(EXTI_Line3); /* Clear Flag */
}
}
switch(ptr->type)
{
case 0x00:{
ptr->current = (gpio_bit)?(release):(pressed);//如果是0，认为是按下
}break;
case 0x01:{
ptr->current = (gpio_bit)?(pressed):(release);//如果是1，认为是按下
}break;
}
void EXTI4_IRQHandler(void)
{
if(EXTI_GetITStatus(EXTI_Line4)!=RESET)
{
keys[2] = (keys[2] > 0)?(0x00):(0x01);
EXTI_ClearITPendingBit(EXTI_Line4); /* Clear Flag */
}
}
if((get_ticks_usec() - ptr->tick ) >= (ptr->delay * 1000))
{
ptr->tick = get_ticks_usec();
void EXTI9_5_IRQHandler(void)
{
if(EXTI_GetITStatus(EXTI_Line5)!=RESET)
{
keys[3] = (keys[3] > 0)?(0x00):(0x01);
EXTI_ClearITPendingBit(EXTI_Line5); /* Clear Flag */
}
if(ptr->state == release)//state::release
{
if(ptr->current != ptr->state)
{
if(ptr->last == ptr->state)
{
ptr->state = pressed;
}
}
}
else//state::press
{
if(ptr->current != ptr->state)
{
if(ptr->last == ptr->state)
{
ptr->state = release;
}
}
}
ptr->last = ptr->current;
}
}