load digital_stim.cod

# Digital Stimulus Test
#
# Two stimuli are created. One puts out a stream of
# pulses and the other a single step. The firmware
# will count the pulses until it sees the step. 
#

echo Digital Stimulus test



############################################################
# define a stimulus to generate two pulses every 1000
# cycles

stimulus asynchronous_stimulus 

# The initial state AND the state the stimulus is when
# it rolls over

initial_state 0

# all times are with respect to the cpu's cycle counter

start_cycle 0

# the asynchronous stimulus will roll over in 'period'
# cycles. Delete this line if you don't want a roll over.

period 1000


{ 100, 1,
200, 0,
300, 1,
400, 0
}


# Give the stimulus a name:

name two_pulse_repeat

end

############################################################
# define a stimulus that generates a step function
#

stimulus asynchronous_stimulus 

initial_state 0

# all times are with respect to the cpu's cycle counter

start_cycle 0


{ 10000, 1 }


# Give the stimulus a name:

name step_function

end



# Create the nodes
node pulse_node
node step_node

# attach the stimuli to the I/O pins
attach pulse_node  two_pulse_repeat portb0
attach step_node   step_function portb1