keil5用库函数写多通道ADC的DMA中断传输时提示 DMA1_Channel1_IRQHandler multiply defined (by dma_stm32f10x.o and dma.o).

ex123 · 发表于 2016-8-10 22:38:53

这是我的dma.c文件：
[mw_shl_code=c,true]#include "dma.h"

u8 FLAG_DMA=0;
u16 DMA1_MEM_LEN=8;
__IO uint16_t ADC_ConvertedValue[8];

void dma_Init()
{
DMA_InitTypeDef DMA_InitStructure;

RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);

DMA_DeInit(DMA1_Channel1);

DMA_InitStructure.DMA_BufferSize=8;
DMA_InitStructure.DMA_DIR=DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_M2M=DMA_M2M_Disable;
DMA_InitStructure.DMA_MemoryBaseAddr=(u32)&ADC_ConvertedValue;
DMA_InitStructure.DMA_MemoryDataSize=DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryInc=DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_Mode=DMA_Mode_Normal;
DMA_InitStructure.DMA_PeripheralBaseAddr=(u32)&ADC1->DR;
DMA_InitStructure.DMA_PeripheralDataSize=DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_PeripheralInc=DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_Priority=DMA_Priority_Medium;

DMA_Init(DMA1_Channel1, &DMA_InitStructure);

DMA_ITConfig(DMA1_Channel1, DMA_IT_TC, ENABLE);
}

void dma_Enable()
{
DMA_Cmd(DMA1_Channel1,DISABLE);

DMA_SetCurrDataCounter(DMA1_Channel1,DMA1_MEM_LEN);

DMA_Cmd(DMA1_Channel1,ENABLE);
}

void DMA_NVIC_Configuration()
{
NVIC_InitTypeDef NVIC_InitStructure;

NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);

NVIC_InitStructure.NVIC_IRQChannel=DMA1_Channel1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority=0;

NVIC_Init(&NVIC_InitStructure);
}

void DMA1_Channel1_IRQHandler()
{
if((DMA_GetITStatus(DMA1_IT_TC1))!=RESET)
{
FLAG_DMA=1;
DMA_ClearITPendingBit(DMA1_IT_TC1);
}
}
[/mw_shl_code]

这是startup_stm32f10x_hd.s(Startup)文件
               DCD    EXTI4_IRQHandler          ; EXTI Line 4
            DCD    DMA1_Channel1_IRQHandler ; DMA1 Channel 1
            DCD    DMA1_Channel2_IRQHandler ; DMA1 Channel 2
            DCD    DMA1_Channel3_IRQHandler ; DMA1 Channel 3
            DCD    DMA1_Channel4_IRQHandler ; DMA1 Channel 4
            DCD    DMA1_Channel5_IRQHandler ; DMA1 Channel 5
            DCD    DMA1_Channel6_IRQHandler ; DMA1 Channel 6
            DCD    DMA1_Channel7_IRQHandler ; DMA1 Channel 7
            DCD    ADC1_2_IRQHandler       ; ADC1 & ADC2