[info]
name = "EXT_INT"
desc = "External Interrupts"

[[int]]
name = "INT0"
desc = "External Interrupt 0"
vect = 1

[[int]]
name = "INT1"
desc = "External Interrupt 1"
vect = 2

[[int]]
name = "INT2"
desc = "External Interrupt 2"
vect = 3

[[int]]
name = "INT3"
desc = "External Interrupt 3"
vect = 4

[[int]]
name = "INT6"
desc = "External Interrupt 6"
vect = 7

[val.sense_control]
values = [
    {valu=0, name="LVL_LOW", desc="The low level of INTn generates an interrupt request"},
    {valu=1, name="EDGE_BOTH", desc="Any edge of INTn generates asynchronously an interrupt request"},
    {valu=2, name="EDGE_FALLING", desc="The falling edge of INTn generates asynchronously an interrupt request"},
    {valu=3, name="EDGE_RISING", desc="The rising edge of INTn generates asynchronously an interrupt request"},
]

#---------------------------------------------------------------------#
[[reg]]
name = "EICRA"
desc = "External Interrupt Control Register A"
addr = "0x69"
fields = [
    {name="ISC3", desc="External Interrupt 3 Sense Control Bits", rnge="7:6", valu="sense_control"},
    {name="ISC2", desc="External Interrupt 2 Sense Control Bits", rnge="5:4", valu="sense_control"},
    {name="ISC1", desc="External Interrupt 1 Sense Control Bits", rnge="3:2", valu="sense_control"},
    {name="ISC0", desc="External Interrupt 0 Sense Control Bits", rnge="1:0", valu="sense_control"},
]

#---------------------------------------------------------------------#
[[reg]]
name = "EICRB"
desc = "External Interrupt Control Register B"
addr = "0x6A"
fields = [
    {name="ISC6", desc="External Interrupt 6 Sense Control Bits", rnge="5:4", valu="sense_control"},
]

#---------------------------------------------------------------------#
[[reg]]
name = "EIMSK"
desc = "External Interrupt Mask Register"
addr = "0x3D"
fields = [
    {name="INT6", desc="Interrupt 6 Enable", rnge="6:6"},
    {name="INT3", desc="Interrupt 3 Enable", rnge="3:3"},
    {name="INT2", desc="Interrupt 2 Enable", rnge="2:2"},
    {name="INT1", desc="Interrupt 1 Enable", rnge="1:1"},
    {name="INT0", desc="Interrupt 0 Enable", rnge="0:0"},
]


#---------------------------------------------------------------------#
[[reg]]
name = "EIFR"
desc = "External Interrupt Flag Register"
addr = "0x3C"
fields = [
    {name="INTF6", desc="Interrupt 6 Flag", rnge="6:6"},
    {name="INTF3", desc="Interrupt 3 Flag", rnge="3:3"},
    {name="INTF2", desc="Interrupt 2 Flag", rnge="2:2"},
    {name="INTF1", desc="Interrupt 1 Flag", rnge="1:1"},
    {name="INTF0", desc="Interrupt 0 Flag", rnge="0:0"},
]