ARM Cortex M0 - W7500 인터럽트

ARM Cortex M0 - W7500 인터럽트

- 26개의 인터럽트.

- 장치별로 1개의 통합 인터럽트 제공.

  예) UART0 rx, tx는  1개의 인터럽트에서 구분하여 처리해야함.

- 인터럽트 클리어 시켜주어야 함.

샘플코드(W7500x_it.c)

void UART0_Handler(void)

{    

    if(UART_GetITStatus(UART0,UART_IT_FLAG_RXI))

    {

        UART_ClearITPendingBit(UART0,UART_IT_FLAG_RXI);

        uart0_rx_cnt++;

    }

    else if(UART_GetITStatus(UART0,UART_IT_FLAG_TXI))

    {

        UART_ClearITPendingBit(UART0,UART_IT_FLAG_TXI);

        uart0_tx_cnt++;

    }

}

Table1 W7500P interrupt assignments
IRQ/NMI	Device	Description	Address
NMI	Watchdog	Watchdog interrupt	0x0000_0008
IRQ[0]	SSP0	SSP0 global interrupt	0x0000_0040
IRQ[1]	SSP1	SSP1 global interrupt	0x0000_0044
IRQ[2]	UART0	UART0 global interrupt	0x0000_0048
IRQ[3]	UART1	UART1 global interrupt	0x0000_004C
IRQ[4]	UART2	UART2 global interrupt	0x0000_0050
IRQ[5]	I2C0	I2C0 global interrupt	0x0000_0054
IRQ[6]	I2C1	I2C1 global interrupt	0x0000_0058
IRQ[7]	GPIO0	GPIOA global interrupt	0x0000_005C
IRQ[8]	GPIO1	GPIOB global interrupt	0x0000_0060
IRQ[9]	GPIO2	GPIOC global interrupt	0x0000_0064
IRQ[10]	GPIO3	GPIOD global interrupt	0x0000_0068
IRQ[11]	DMA	DMA channel 1 ~ channel 5 interrupt	0x0000_006C
IRQ[12]	Dualtimer0	Dualtimer0 global interrupt	0x0000_0070
IRQ[13]	Dualtimer1	Dualtimer1 global interrupt	0x0000_0074
IRQ[14]	PWM0	PWM0 global interrupt	0x0000_0078
IRQ[15]	PWM1	PWM1 global interrupt	0x0000_007C
IRQ[16]	PWM2	PWM2 global interrupt	0x0000_0080
IRQ[17]	PWM3	PWM3 global interrupt	0x0000_0084
IRQ[18]	PWM4	PWM4 global interrupt	0x0000_0088
IRQ[19]	PWM5	PWM5 global interrupt	0x0000_008C
IRQ[20]	PWM6	PWM6 global interrupt	0x0000_0090
IRQ[21]	PWM7	PWM7 global interrupt	0x0000_0094
IRQ[22]	reserved		0x0000_0098
IRQ[23]	ADC	ADC acquisition end interrupt	0x0000_009C
IRQ[24]	TCPIP	TCPIP global interrupt	0x0000_00A0
IRQ[25]	EXT_INT	External pin interrupt	0x0000_00A4
IRQ[26]	reserved		0x0000_00A8
IRQ[27]	reserved		0x0000_00AC
IRQ[28]	reserved		0x0000_00B0
IRQ[29]	reserved		0x0000_00B4
IRQ[30]	reserved		0x0000_00B8
IRQ[31]	reserved		0x0000_00BC

w7500_isp_20150820_.zip

w7500_isp_20150401_.zip