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发表于 2017-8-23 09:34:47
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[mw_shl_code=c,true]/**********************************************************
STM32 DFU移植实验
**********************************************************/
#include "stm32_config.h"
#include "led.h"
#include "stmflash.h"
#include "hw_config.h" //USB相关头文件
#include "usb_lib.h"
#include "usb_conf.h"
#include "usb_prop.h"
#include "usb_pwr.h"
#include "dfu_mal.h"
typedef void (*pFunction)(void);
uint8_t DeviceState;
uint8_t DeviceStatus[6];
pFunction Jump_To_Application;
uint32_t JumpAddress;
/**********************************************************
主函数
**********************************************************/
int main(void)
{
delay_init(72); //初始化延时函数
USART1_Init(115200); //初始化串口1
DFU_Button_Config(); //初始化跳转APP程序按键
delay_ms(5000);
if(((*(__IO uint32_t*)ApplicationAddress) & 0x2FFE0000 ) == 0x20000000) //检测APP地址是否合法
{
//跳转到APP地址开始执行，地址+4位置是复位中断入口
JumpAddress = *(__IO uint32_t*) (ApplicationAddress + 4);
Jump_To_Application = (pFunction) JumpAddress;
//设置APP程序堆栈指针
__set_MSP(*(__IO uint32_t*) ApplicationAddress);
//跳转到APP程序中执行
Jump_To_Application();
}
while(1)
{
}
}
[/mw_shl_code]
这是我的main函数，下面是中断触发：
/**
******************************************************************************
* @file Project/STM32F10x_StdPeriph_Template/stm32f10x_it.c
* @author MCD Application Team
* @version V3.5.0
* @date 08-April-2011
* @brief Main Interrupt Service Routines.
* This file provides template for all exceptions handler and
* peripherals interrupt service routine.
******************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_it.h"
#include "delay.h"
#include "led.h"
#include "beep.h"
#include "sys.h"
#include "hw_config.h" //USB相关头文件
#include "usb_lib.h"
#include "usb_istr.h"
#include "usb_prop.h"
#include "usb_pwr.h"
/** @addtogroup STM32F10x_StdPeriph_Template
* @{
*/
extern uint8_t DeviceState;
extern uint8_t DeviceStatus[6];
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/******************************************************************************/
/* Cortex-M3 Processor Exceptions Handlers */
/******************************************************************************/
/**********************************************************
* 函数功能 ---> USB低优先级中断处理
* 入口参数 ---> none
* 返回数值 ---> none
* 功能说明 ---> none
**********************************************************/
void USB_LP_CAN1_RX0_IRQHandler(void)
{
USB_Istr();
}
/**********************************************************
* 函数功能 ---> USB唤醒中断处理
* 入口参数 ---> none
* 返回数值 ---> none
* 功能说明 ---> none
**********************************************************/
void USBWakeUp_IRQHandler(void)
{
EXTI_ClearITPendingBit(EXTI_Line18); //清除USB中断标志
}
/**********************************************************
* 函数功能 ---> 外部中断线0中断处理
* 入口参数 ---> none
* 返回数值 ---> none
* 功能说明 ---> none
**********************************************************/
void EXTI4_IRQHandler(void)
{
LED_Init();
LED0=1;
delay_ms(2000);
LED0=0;
if(GPIO_ReadInputDataBit(GPIOA,GPIO_Pin_4)==0)//读取按键0==0) //按键KEY0
{
BEEP_Init();
BEEP=1;
delay_ms(2000);
BEEP=0;
/******************************************************
显示基本信息
******************************************************/
printf("==========================================================\r\n");
printf(" STM32f103 DFU Test! \r\n");
printf(" USB DFU Test v0.1.0 \r\n");
printf("==========================================================\r\n");
//按键已经按下，则进入APP升级模式
DeviceState = STATE_dfuERROR;
DeviceStatus[0] = STATUS_ERRFIRMWARE;
DeviceStatus[4] = DeviceState;
Set_System();
Set_USBClock();
USB_Init();
}
EXTI_ClearITPendingBit(EXTI_Line4); //清除LINE4上的中断标志位
}
/**
* @brief This function handles NMI exception.
* @param None
* @retval None
*/
void NMI_Handler(void)
{
}
/**
* @brief This function handles Hard Fault exception.
* @param None
* @retval None
*/
void HardFault_Handler(void)
{
/* Go to infinite loop when Hard Fault exception occurs */
printf("\r\nHardFault_Handler ERROR\r\n");
while (1)
{
}
}
/**
* @brief This function handles Memory Manage exception.
* @param None
* @retval None
*/
void MemManage_Handler(void)
{
/* Go to infinite loop when Memory Manage exception occurs */
printf("\r\nMemManage_Handler ERROR\r\n");
while (1)
{
}
}
/**
* @brief This function handles Bus Fault exception.
* @param None
* @retval None
*/
void BusFault_Handler(void)
{
/* Go to infinite loop when Bus Fault exception occurs */
printf("\r\nBusFault_Handler ERROR\r\n");
while (1)
{
}
}
/**
* @brief This function handles Usage Fault exception.
* @param None
* @retval None
*/
void UsageFault_Handler(void)
{
/* Go to infinite loop when Usage Fault exception occurs */
printf("\r\nUsageFault_Handler ERROR\r\n");
while (1)
{
}
}
/**
* @brief This function handles SVCall exception.
* @param None
* @retval None
*/
void SVC_Handler(void)
{
}
/**
* @brief This function handles Debug Monitor exception.
* @param None
* @retval None
*/
void DebugMon_Handler(void)
{
}
/**
* @brief This function handles PendSVC exception.
* @param None
* @retval None
*/
void PendSV_Handler(void)
{
}
/**
* @brief This function handles SysTick Handler.
* @param None
* @retval None
*/
void SysTick_Handler(void)
{
}
/******************************************************************************/
/* STM32F10x Peripherals Interrupt Handlers */
/* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */
/* available peripheral interrupt handler's name please refer to the startup */
/* file (startup_stm32f10x_xx.s). */
/******************************************************************************/
/**
* @brief This function handles PPP interrupt request.
* @param None
* @retval None
*/
/*void PPP_IRQHandler(void)
{
}*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
/**
******************************************************************************
* @file hw_config.c
* @author MCD Application Team
* @version V4.0.0
* @date 21-January-2013
* @brief Hardware Configuration & Setup
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT 2013 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "hw_config.h"
#include "dfu_mal.h"
#include "usb_lib.h"
#include "usb_desc.h"
#include "usb_pwr.h"
#include "led.h" //新增状态指示用
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
ErrorStatus HSEStartUpStatus;
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Extern variables ----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len);
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : Set_System.
* Description : Configures Main system clocks & power.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void Set_System(void)
{
FLASH_Unlock(); //解锁FLASH
/* Init the media interface */
MAL_Init();
USB_Cable_Config(ENABLE);
/* Configure the EXTI line 18 connected internally to the USB IP */
EXTI_ClearITPendingBit(EXTI_Line18);
EXTI_InitStructure.EXTI_Line = EXTI_Line18;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
}
/*******************************************************************************
* Function Name : Set_USBClock.
* Description : Configures USB Clock input (48MHz).
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void Set_USBClock(void)
{
RCC_USBCLKConfig(RCC_USBCLKSource_PLLCLK_1Div5); //USB_CLK = PLLCLK / 1.5 = 72/1.5=48MHz
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE); //启动USB时钟
}
/*******************************************************************************
* Function Name : Enter_LowPowerMode.
* Description : Power-off system clocks and power while entering suspend mode.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void Enter_LowPowerMode(void)
{
/* Set the device state to suspend */
bDeviceState = SUSPENDED;
}
/*******************************************************************************
* Function Name : Leave_LowPowerMode.
* Description : Restores system clocks and power while exiting suspend mode.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void Leave_LowPowerMode(void)
{
DEVICE_INFO *pInfo = &Device_Info;
/* Set the device state to the correct state */
if (pInfo->Current_Configuration != 0)
{
/* Device configured */
bDeviceState = CONFIGURED;
}
else
{
bDeviceState = ATTACHED;
}
/*Enable SystemCoreClock*/
SystemInit();
}
/*******************************************************************************
* Function Name : USB_Cable_Config.
* Description : Software Connection/Disconnection of USB Cable.
* Input : NewState: new state.
* Output : None.
* Return : None.
*******************************************************************************/
void USB_Cable_Config (FunctionalState NewState)
{
if(NewState != DISABLE) LED0= 0; //USB连接上
else LED0 = 1; //USB断开
}
/*******************************************************************************
* Function Name : DFU_Button_Config.
* Description : Configures the DFU selector Button to enter DFU Mode.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void DFU_Button_Config(void) //初始化升级按键
{
GPIO_InitTypeDef GPIO_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);//使能PORTA
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; //设置成上拉输入
GPIO_Init(GPIOA, &GPIO_InitStructure);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE); //使能复用功能时钟
//GPIOA.4 中断线以及中断初始化配置 下降沿触发 //KEY0
GPIO_EXTILineConfig(GPIO_PortSourceGPIOA,GPIO_PinSource4);
EXTI_InitStructure.EXTI_Line=EXTI_Line4;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure); //根据EXTI_InitStruct中指定的参数初始化外设EXTI寄存器
//初始化中断优先级
NVIC_InitStructure.NVIC_IRQChannel = EXTI4_IRQn; //外部中断线4
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0f;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0f;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
/*******************************************************************************
* Function Name : DFU_Button_Read.
* Description : Reads the DFU selector Button to enter DFU Mode.
* Input : None.
* Output : None.
* Return : Status
*******************************************************************************/
uint8_t DFU_Button_Read (void) //读取升级按键状态
{
return GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_4);
}
/*******************************************************************************
* Function Name : USB_Interrupts_Config.
* Description : Configures the USB interrupts.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void USB_Interrupts_Config(void) //中断优先级配置
{
/* 2 bit for pre-emption priority, 2 bits for subpriority */
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
/* Enable the USB interrupt */
NVIC_InitStructure.NVIC_IRQChannel = USB_LP_CAN1_RX0_IRQn; //设置USB低中断优先级
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable the USB Wake-up interrupt */
NVIC_InitStructure.NVIC_IRQChannel = USBWakeUp_IRQn; //USB唤醒中断
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
/*******************************************************************************
* Function Name : Reset_Device.
* Description : Reset the device.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void Reset_Device(void)
{
USB_Cable_Config(DISABLE);
NVIC_SystemReset();
}
/*******************************************************************************
* Function Name : Get_SerialNum.
* Description : Create the serial number string descriptor.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void Get_SerialNum(void)
{
uint32_t Device_Serial0, Device_Serial1, Device_Serial2;
Device_Serial0 = *(uint32_t*)ID1;
Device_Serial1 = *(uint32_t*)ID2;
Device_Serial2 = *(uint32_t*)ID3;
Device_Serial0 += Device_Serial2;
if (Device_Serial0 != 0)
{
IntToUnicode (Device_Serial0, &DFU_StringSerial[2] , 8);
IntToUnicode (Device_Serial1, &DFU_StringSerial[18], 4);
}
}
/*******************************************************************************
* Function Name : HexToChar.
* Description : Convert Hex 32Bits value into char.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len)
{
uint8_t idx = 0;
for( idx = 0 ; idx < len ; idx ++)
{
if( ((value >> 28)) < 0xA )
{
pbuf[ 2* idx] = (value >> 28) + '0';
}
else
{
pbuf[2* idx] = (value >> 28) + 'A' - 10;
}
value = value << 4;
pbuf[ 2* idx + 1] = 0;
}
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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