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河北水利局项目

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张明利
2025-12-15 16:07:49 +08:00
commit f11a7c2b95
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APP/Init.c Normal file
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/*——————————————————————————
* 文 件 名：Init.c
* 文件说明: 初始化源文件
*
* 当前版本：V8.0
* 作 者：ZL
* 开始日期：2013-12-30
*———————————————————————————*/
#include "Init.h"
void RCC_Init(void)
{
/* Enable Clock Security System(CSS): this will generate an NMI exception
when HSE clock fails */
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = RCC_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
RCC_ClockSecuritySystemCmd(ENABLE);
}
void gpio_init(st_gpio_config ioconfig)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(ioconfig.GPIO_clk, ENABLE);
GPIO_InitStructure.GPIO_Pin = ioconfig.GPIO_Pin;
GPIO_InitStructure.GPIO_Mode = ioconfig.GPIO_mode;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(ioconfig.GPIO_port, &GPIO_InitStructure);
}
/*—————————————————————————
* 函 数 名：NVIC_Init
* 输入参数：None
* 输出参数：None
* 返 回 值：None
* 功能说明：中断向量初始化
*——————————————————————————*/
#define FLASH_APP_ADDRESS 0x08005000
void Nvic_Init(void)
{
// NVIC_InitTypeDef NVIC_InitStructure;
//NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);//重定义中断向量表的位置
NVIC_SetVectorTable(NVIC_VectTab_FLASH,FLASH_APP_ADDRESS);
//NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
/* Enable and configure RCC global IRQ channel */
/*
NVIC_InitStructure.NVIC_IRQChannel = SysTick_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
*/
/* Enable and configure RCC global IRQ channel */
/*
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI4_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel7_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = DMA2_Channel4_5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel4_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 6;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 6;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
*/
}
/*——————————————————————————
* 函 数 名：RCC_IRQHandler
* 输入参数：None
* 输出参数：None
* 返 回 值：None
* 功能说明：RCC中断服务函数
*——————————————————————————*/
void RCC_IRQHandler(void)
{
if(RCC_GetITStatus(RCC_IT_HSERDY) != RESET)
{
/* Clear HSERDY interrupt pending bit */
RCC_ClearITPendingBit(RCC_IT_HSERDY);
/* Check if the HSE clock is still available */
if (RCC_GetFlagStatus(RCC_FLAG_HSERDY) != RESET)
{
/* Enable PLL: once the PLL is ready the PLLRDY interrupt is generated */
RCC_PLLCmd(ENABLE);
}
}
if(RCC_GetITStatus(RCC_IT_PLLRDY) != RESET)
{
/* Clear PLLRDY interrupt pending bit */
RCC_ClearITPendingBit(RCC_IT_PLLRDY);
/* Check if the PLL is still locked */
if (RCC_GetFlagStatus(RCC_FLAG_PLLRDY) != RESET)
{
/* Select PLL as system clock source */
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
}
}
}