Spaces:
Sleeping
Sleeping
File size: 3,743 Bytes
7ce905d be94342 19caf8f be94342 7ce905d be94342 7ce905d be94342 7ce905d be94342 7ce905d be94342 7ce905d be94342 7ce905d be94342 7ce905d be94342 7ce905d be94342 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | import gradio as gr
q = 0
q_bar = 1
history = []
def sr_latch(s, r):
global q, q_bar, history
s = int(s)
r = int(r)
if s == 1 and r == 1:
state = "INVALID"
elif s == 1 and r == 0:
q, q_bar = 1, 0
state = "SET"
elif s == 0 and r == 1:
q, q_bar = 0, 1
state = "RESET"
else:
state = "HOLD"
q_display = "X" if state == "INVALID" else str(q)
q_bar_display = "X" if state == "INVALID" else str(q_bar)
history.append(f"S={s}, R={r} => Q={q_display}, Q'={q_bar_display} [{state}]")
log = "\n".join(history)
return q_display, q_bar_display, state, log
def reset_latch():
global q, q_bar, history
q = 0
q_bar = 1
history = []
return "0", "1", "HOLD", ""
custom_css = """
.gradio-container {
max-width: 720px !important;
margin: auto;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
h1 {
color: #1a1a2e !important;
font-size: 28px !important;
font-weight: 700 !important;
margin-bottom: 4px !important;
}
.subtitle {
color: #5a5a6e !important;
font-size: 15px !important;
}
.output-box textarea {
font-size: 22px !important;
font-weight: 600 !important;
text-align: center !important;
color: #1a1a2e !important;
}
.history-box textarea {
font-family: "SF Mono", "Fira Code", "Consolas", monospace !important;
font-size: 13px !important;
color: #3a3a4e !important;
}
.truth-table-wrap table {
font-size: 14px !important;
}
.truth-table-wrap th {
color: #5a5a6e !important;
font-weight: 600 !important;
}
.truth-table-wrap td {
color: #1a1a2e !important;
}
button.primary {
background: #1a1a2e !important;
color: #ffffff !important;
border: none !important;
}
button.primary:hover {
background: #2a2a3e !important;
}
input[type="radio"]:checked {
accent-color: #1a1a2e !important;
}
"""
with gr.Blocks(title="SR Latch Simulator") as demo:
gr.Markdown("# SR Latch Simulator")
gr.Markdown(
"Toggle the S (set) and R (reset) inputs and click Apply to observe the latch behavior.",
elem_classes=["subtitle"],
)
with gr.Row():
s_input = gr.Radio(choices=["0", "1"], value="0", label="S (Set)")
r_input = gr.Radio(choices=["0", "1"], value="0", label="R (Reset)")
with gr.Row():
apply_btn = gr.Button("Apply", variant="primary")
reset_btn = gr.Button("Reset")
with gr.Row():
q_output = gr.Textbox(label="Q", value="0", interactive=False, elem_classes=["output-box"])
q_bar_output = gr.Textbox(label="Q'", value="1", interactive=False, elem_classes=["output-box"])
state_output = gr.Textbox(label="State", value="HOLD", interactive=False, elem_classes=["output-box"])
gr.Markdown("### Truth Table")
gr.Dataframe(
value=[
["0", "0", "Prev", "Prev", "Hold"],
["1", "0", "1", "0", "Set"],
["0", "1", "0", "1", "Reset"],
["1", "1", "X", "X", "Invalid"],
],
headers=["S", "R", "Q", "Q'", "State"],
interactive=False,
elem_classes=["truth-table-wrap"],
)
gr.Markdown("### History")
history_box = gr.Textbox(
label="Log",
lines=6,
interactive=False,
elem_classes=["history-box"],
)
apply_btn.click(
fn=sr_latch,
inputs=[s_input, r_input],
outputs=[q_output, q_bar_output, state_output, history_box],
)
reset_btn.click(
fn=reset_latch,
inputs=[],
outputs=[q_output, q_bar_output, state_output, history_box],
)
if __name__ == "__main__":
demo.launch(css=custom_css, theme=gr.themes.Base()) |