The tasks in Table: Enable the GPIO Interrupts of Bank 0 outline the flow used for interrupt handling and to drive a GPIO write to glow LED.
Table 27-11: Wait for Interrupts from all the GPIO Inputs to Exit
|
Task
|
Register Name
|
Register Field
|
Register Offset
|
Bits
|
Value
|
|
Bank 0 interrupt status read
|
gpio.INT_STAT_0
|
INT_STATUS_0
|
0x218
|
31:0
|
|
|
Get the interrupt mask status
|
gpio.INT_MASK_0
|
INT_MASK_0
|
0x20C
|
31:0
|
|
|
Clear interrupt status
|
gpio.INT_STAT_0
|
INT_STATUS_0
|
0x218
|
31:0
|
Write a 1 to clear the particular interrupt.
|
|
Drive the corresponding LEDs
|
gpio.DATA_1
|
DATA_1
|
0x44
|
31:0
|
Accumulated interrupt status.
|