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LPC1768 Interrupt on GPIO PORT 2

Hi all,
I'm trying to make an interrupt on one pin of the port 2. I found the registry setting, but I do not know the name of the interrupt function.

For an interrupt EXT1 the name of the function is "void ext1_int (void) __ irq". For an interrupt on port 2, how should I do?
Where I put my routine interruption?

Thank you for your help :)

Parents
  • >>What gave you the impression that interrupt handlers had predefined names?

    How about the content of startup_LPC17xx.s

    ; Vector Table Mapped to Address 0 at Reset
    
                    AREA    RESET, DATA, READONLY
                    EXPORT  __Vectors
    
    __Vectors       DCD     __initial_sp              ; Top of Stack
                    DCD     Reset_Handler             ; Reset Handler
                    DCD     NMI_Handler               ; NMI Handler
                    DCD     HardFault_Handler         ; Hard Fault Handler
                    DCD     MemManage_Handler         ; MPU Fault Handler
                    DCD     BusFault_Handler          ; Bus Fault Handler
                    DCD     UsageFault_Handler        ; Usage Fault Handler
                    DCD     0                         ; Reserved
                    DCD     0                         ; Reserved
                    DCD     0                         ; Reserved
                    DCD     0                         ; Reserved
                    DCD     SVC_Handler               ; SVCall Handler
                    DCD     DebugMon_Handler          ; Debug Monitor Handler
                    DCD     0                         ; Reserved
                    DCD     PendSV_Handler            ; PendSV Handler
                    DCD     SysTick_Handler           ; SysTick Handler
    
                    ; External Interrupts
                    DCD     WDT_IRQHandler            ; 16: Watchdog Timer
                    DCD     TIMER0_IRQHandler         ; 17: Timer0
                    DCD     TIMER1_IRQHandler         ; 18: Timer1
                    DCD     TIMER2_IRQHandler         ; 19: Timer2
                    DCD     TIMER3_IRQHandler         ; 20: Timer3
                    DCD     UART0_IRQHandler          ; 21: UART0
                    DCD     UART1_IRQHandler          ; 22: UART1
                    DCD     UART2_IRQHandler          ; 23: UART2
                    DCD     UART3_IRQHandler          ; 24: UART3
                    DCD     PWM1_IRQHandler           ; 25: PWM1
                    DCD     I2C0_IRQHandler           ; 26: I2C0
                    DCD     I2C1_IRQHandler           ; 27: I2C1
                    DCD     I2C2_IRQHandler           ; 28: I2C2
                    DCD     SPI_IRQHandler            ; 29: SPI
                    DCD     SSP0_IRQHandler           ; 30: SSP0
                    DCD     SSP1_IRQHandler           ; 31: SSP1
                    DCD     PLL0_IRQHandler           ; 32: PLL0 Lock (Main PLL)
                    DCD     RTC_IRQHandler            ; 33: Real Time Clock
                    DCD     EINT0_IRQHandler          ; 34: External Interrupt 0
                    DCD     EINT1_IRQHandler          ; 35: External Interrupt 1
                    DCD     EINT2_IRQHandler          ; 36: External Interrupt 2
                    DCD     EINT3_IRQHandler          ; 37: External Interrupt 3
                    DCD     ADC_IRQHandler            ; 38: A/D Converter
                    DCD     BOD_IRQHandler            ; 39: Brown-Out Detect
                    DCD     USB_IRQHandler            ; 40: USB
                    DCD     CAN_IRQHandler            ; 41: CAN
                    DCD     DMA_IRQHandler            ; 42: General Purpose DMA
                    DCD     I2S_IRQHandler            ; 43: I2S
                    DCD     ENET_IRQHandler           ; 44: Ethernet
                    DCD     RIT_IRQHandler            ; 45: Repetitive Interrupt Timer
                    DCD     MCPWM_IRQHandler          ; 46: Motor Control PWM
                    DCD     QEI_IRQHandler            ; 47: Quadrature Encoder Interface
                    DCD     PLL1_IRQHandler           ; 48: PLL1 Lock (USB PLL)
                    DCD     USBActivity_IRQHandler    ; 49: USB Activity interrupt to wakeup
                    DCD     CANActivity_IRQHandler    ; 50: CAN Activity interrupt to wakeup
    

    Alex

Reply
  • >>What gave you the impression that interrupt handlers had predefined names?

    How about the content of startup_LPC17xx.s

    ; Vector Table Mapped to Address 0 at Reset
    
                    AREA    RESET, DATA, READONLY
                    EXPORT  __Vectors
    
    __Vectors       DCD     __initial_sp              ; Top of Stack
                    DCD     Reset_Handler             ; Reset Handler
                    DCD     NMI_Handler               ; NMI Handler
                    DCD     HardFault_Handler         ; Hard Fault Handler
                    DCD     MemManage_Handler         ; MPU Fault Handler
                    DCD     BusFault_Handler          ; Bus Fault Handler
                    DCD     UsageFault_Handler        ; Usage Fault Handler
                    DCD     0                         ; Reserved
                    DCD     0                         ; Reserved
                    DCD     0                         ; Reserved
                    DCD     0                         ; Reserved
                    DCD     SVC_Handler               ; SVCall Handler
                    DCD     DebugMon_Handler          ; Debug Monitor Handler
                    DCD     0                         ; Reserved
                    DCD     PendSV_Handler            ; PendSV Handler
                    DCD     SysTick_Handler           ; SysTick Handler
    
                    ; External Interrupts
                    DCD     WDT_IRQHandler            ; 16: Watchdog Timer
                    DCD     TIMER0_IRQHandler         ; 17: Timer0
                    DCD     TIMER1_IRQHandler         ; 18: Timer1
                    DCD     TIMER2_IRQHandler         ; 19: Timer2
                    DCD     TIMER3_IRQHandler         ; 20: Timer3
                    DCD     UART0_IRQHandler          ; 21: UART0
                    DCD     UART1_IRQHandler          ; 22: UART1
                    DCD     UART2_IRQHandler          ; 23: UART2
                    DCD     UART3_IRQHandler          ; 24: UART3
                    DCD     PWM1_IRQHandler           ; 25: PWM1
                    DCD     I2C0_IRQHandler           ; 26: I2C0
                    DCD     I2C1_IRQHandler           ; 27: I2C1
                    DCD     I2C2_IRQHandler           ; 28: I2C2
                    DCD     SPI_IRQHandler            ; 29: SPI
                    DCD     SSP0_IRQHandler           ; 30: SSP0
                    DCD     SSP1_IRQHandler           ; 31: SSP1
                    DCD     PLL0_IRQHandler           ; 32: PLL0 Lock (Main PLL)
                    DCD     RTC_IRQHandler            ; 33: Real Time Clock
                    DCD     EINT0_IRQHandler          ; 34: External Interrupt 0
                    DCD     EINT1_IRQHandler          ; 35: External Interrupt 1
                    DCD     EINT2_IRQHandler          ; 36: External Interrupt 2
                    DCD     EINT3_IRQHandler          ; 37: External Interrupt 3
                    DCD     ADC_IRQHandler            ; 38: A/D Converter
                    DCD     BOD_IRQHandler            ; 39: Brown-Out Detect
                    DCD     USB_IRQHandler            ; 40: USB
                    DCD     CAN_IRQHandler            ; 41: CAN
                    DCD     DMA_IRQHandler            ; 42: General Purpose DMA
                    DCD     I2S_IRQHandler            ; 43: I2S
                    DCD     ENET_IRQHandler           ; 44: Ethernet
                    DCD     RIT_IRQHandler            ; 45: Repetitive Interrupt Timer
                    DCD     MCPWM_IRQHandler          ; 46: Motor Control PWM
                    DCD     QEI_IRQHandler            ; 47: Quadrature Encoder Interface
                    DCD     PLL1_IRQHandler           ; 48: PLL1 Lock (USB PLL)
                    DCD     USBActivity_IRQHandler    ; 49: USB Activity interrupt to wakeup
                    DCD     CANActivity_IRQHandler    ; 50: CAN Activity interrupt to wakeup
    

    Alex

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