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三星S3C2440 ARM-920T 中斷向量宏義

 敗敗0619 2012-07-06

三星S3C2440 ARM-920T 中斷向量宏義

網(wǎng)上找了很多都沒發(fā)現(xiàn)2440的中斷向量,,飛凌群的技術(shù)員只會叫我查那2440的芯片手冊,我查死都查不到(搜索中文片的“中斷向量”和英文版的“vector”,,根本沒這東西),,后來在國嵌的代碼中找到的。


 


注:CowBoy 直接從 國嵌 的代碼中提取出來的


// Exception vector
#define pISR_RESET  (*(unsigned *)(_ISR_STARTADDRESS+0x0))
#define pISR_UNDEF  (*(unsigned *)(_ISR_STARTADDRESS+0x4))
#define pISR_SWI  (*(unsigned *)(_ISR_STARTADDRESS+0x8))
#define pISR_PABORT  (*(unsigned *)(_ISR_STARTADDRESS+0xc))
#define pISR_DABORT  (*(unsigned *)(_ISR_STARTADDRESS+0x10))
#define pISR_RESERVED (*(unsigned *)(_ISR_STARTADDRESS+0x14))
#define pISR_IRQ  (*(unsigned *)(_ISR_STARTADDRESS+0x18))
#define pISR_FIQ  (*(unsigned *)(_ISR_STARTADDRESS+0x1c))
// Interrupt vector
#define pISR_EINT0  (*(unsigned *)(_ISR_STARTADDRESS+0x20))
#define pISR_EINT1  (*(unsigned *)(_ISR_STARTADDRESS+0x24))
#define pISR_EINT2  (*(unsigned *)(_ISR_STARTADDRESS+0x28))
#define pISR_EINT3  (*(unsigned *)(_ISR_STARTADDRESS+0x2c))
#define pISR_EINT4_7 (*(unsigned *)(_ISR_STARTADDRESS+0x30))
#define pISR_EINT8_23 (*(unsigned *)(_ISR_STARTADDRESS+0x34))
#define pISR_CAM  (*(unsigned *)(_ISR_STARTADDRESS+0x38))  // Added for 2440.
#define pISR_BAT_FLT (*(unsigned *)(_ISR_STARTADDRESS+0x3c))
#define pISR_TICK  (*(unsigned *)(_ISR_STARTADDRESS+0x40))
#define pISR_WDT_AC97  (*(unsigned *)(_ISR_STARTADDRESS+0x44))   //Changed to pISR_WDT_AC97 for 2440A
#define pISR_TIMER0   (*(unsigned *)(_ISR_STARTADDRESS+0x48))
#define pISR_TIMER1   (*(unsigned *)(_ISR_STARTADDRESS+0x4c))
#define pISR_TIMER2  (*(unsigned *)(_ISR_STARTADDRESS+0x50))
#define pISR_TIMER3  (*(unsigned *)(_ISR_STARTADDRESS+0x54))
#define pISR_TIMER4  (*(unsigned *)(_ISR_STARTADDRESS+0x58))
#define pISR_UART2  (*(unsigned *)(_ISR_STARTADDRESS+0x5c))
#define pISR_LCD  (*(unsigned *)(_ISR_STARTADDRESS+0x60))
#define pISR_DMA0  (*(unsigned *)(_ISR_STARTADDRESS+0x64))
#define pISR_DMA1  (*(unsigned *)(_ISR_STARTADDRESS+0x68))
#define pISR_DMA2  (*(unsigned *)(_ISR_STARTADDRESS+0x6c))
#define pISR_DMA3  (*(unsigned *)(_ISR_STARTADDRESS+0x70))
#define pISR_SDI  (*(unsigned *)(_ISR_STARTADDRESS+0x74))
#define pISR_SPI0  (*(unsigned *)(_ISR_STARTADDRESS+0x78))
#define pISR_UART1  (*(unsigned *)(_ISR_STARTADDRESS+0x7c))
#define pISR_NFCON  (*(unsigned *)(_ISR_STARTADDRESS+0x80))  // Added for 2440.
#define pISR_USBD  (*(unsigned *)(_ISR_STARTADDRESS+0x84))
#define pISR_USBH  (*(unsigned *)(_ISR_STARTADDRESS+0x88))
#define pISR_IIC  (*(unsigned *)(_ISR_STARTADDRESS+0x8c))
#define pISR_UART0  (*(unsigned *)(_ISR_STARTADDRESS+0x90))
#define pISR_SPI1  (*(unsigned *)(_ISR_STARTADDRESS+0x94))
#define pISR_RTC  (*(unsigned *)(_ISR_STARTADDRESS+0x98))
#define pISR_ADC  (*(unsigned *)(_ISR_STARTADDRESS+0x9c))


 


 


特別地對于 飛凌的FL2440開發(fā)板 有如下,,不同的開發(fā)板可能只是下面的絕對地址不同,而對于FL2440,,因為 MyApp 分區(qū)已定下,,所以好像那個絕對地址就是下面那個的了。


 


絕對地址:_ISR_STARTADDRESS    0x33FFFF00


中斷類型                                              偏移地址


復(fù)位                                                     0
未定義指令                                          0x04
軟件中斷                                              0x08
中止(預(yù)取指令)                                0x0c
中止(數(shù)據(jù))                                       0x10
保留                                                     0x14
IRQ                                  0x18
FIQ                                                      0x1c


EINT0(外部中斷0)                           0x20
EINT1(外部中斷1)                           0x24
EINT2(外部中斷2)                           0x28
EINT3(外部中斷3)                           0x2c
EINT4_7(外部中斷4~7)                   0x30
EINT8_23(外部中斷8~23)               0x34
NOTUSED6(未使用)                        0x38
BAT_FLT(電池出錯中斷)                 0x3c
TICK(TICK中斷)                               0x40
WDT(看門狗定時器中斷)                 0x44
TIMER0(定時器0中斷)                     0x48
TIMER1(定時器1中斷)                     0x4c
TIMER2(定時器2中斷)                     0x50
TIMER3(定時器3中斷)                     0x54
TIMER4(定時器4中斷)                     0x58
UART2(串口2中斷)                          0x5c
LCD(LCD中斷)                                0x60
DMA0(DMA0中斷)                           0x64
DMA1(DMA1中斷)                           0x68
DMA2(DMA2中斷)                           0x6c
DMA3(DMA3中斷)                           0x70
SDI(SDI中斷)                                   0x74
SPIO(SPIO中斷)                              0x78
UART1(UART1中斷)                       0x7c
NOTUSED24(未使用)                     0x80
USBD(USBD中斷)                           0x84
USBH(USBH中斷)                           0x88
IIC(IIC中斷)                                     0x8c
UART0(UART0中斷)                       0x90
SPI1(SPI1中斷)                               0x94
RTC(RTC中斷)                               0x98
ADC(ADC中斷)                               0x9c


 


設(shè)置中斷服務(wù)子程序時格式如下(以外部中斷0為例)


 


//宏定義


#define uint unsigned int


#define _ISR_STARTADDRESS    0x33FFFF00
#define pISR_EINT0           (*(unsigned *)(_ISR_STARTADDRESS+0x20))


 


//中斷子程序


static void __irq Eint0_ISR(void)
{
 ClearPending(BIT_EINT0);//進(jìn)入中斷后要手動清除相應(yīng)的中斷標(biāo)志??!
 //………… 


}


 


int main(void)


{


 pISR_EINT0 = (uint)Eint0_ISR;//一定要將相應(yīng)的中斷服務(wù)子程序連起來!,!


//…………


}

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