timer.h

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/*a Includes */

/*a Types */
/*t t_timer_control
 */
typedef struct {
    bit    reset_counter               "Assert to reset the timer counter to 0; this takes precedence over enable_counter";
    bit    enable_counter              "Assert to enable the timer counter; otherwise it holds its value";
    bit    block_writes                "Assert to block writes to the timer counter";
    bit[8] bonus_subfraction_numer     "(n-1) in fractional n/16d increment per cycle";
    bit[8] bonus_subfraction_denom     "(d-1) in fractional n/16d increment per cycle; If zero then no subfractional add";
    bit[4] fractional_adder            "f in fraction f/16 to add per cycle";
    bit[8] integer_adder               "integer amount to add to timer counter per cycle";
} t_timer_control;

/*t t_timer_value
 */
typedef struct {
    bit     irq   "Asserted if comparator >= timer value";
    bit[64] value "64-bit timer value, reflecting the value in the timer counter";
} t_timer_value;