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rp2xxx: fix timer interrupt enable #912

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rp2xxx: fix timer interrupt enable #912

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7 changes: 6 additions & 1 deletion port/raspberrypi/rp2xxx/src/hal/system_timer.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,12 @@ pub const Timer = enum(u1) {
/// Enables or disables the interrupt for the given alarm.
pub fn set_interrupt_enabled(timer: Timer, alarm: Alarm, enable: bool) void {
const regs = timer.get_regs();
regs.INTE.write_raw(@as(u4, @intFromBool(enable)) << @intFromEnum(alarm));
switch (alarm) {
.alarm0 => regs.INTE.modify(.{ .ALARM_0 = @intFromBool(enable) }),
.alarm1 => regs.INTE.modify(.{ .ALARM_1 = @intFromBool(enable) }),
.alarm2 => regs.INTE.modify(.{ .ALARM_2 = @intFromBool(enable) }),
.alarm3 => regs.INTE.modify(.{ .ALARM_3 = @intFromBool(enable) }),
}
}

/// Clears the interrupt flag for the given alarm.
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