CodePhacts
Zimodem

Zimodem

Modem emulator for Espressif chips

Manager Name: Bo Zimmerman

Repository Type: git

Last Commit: 284d0a48237f45eebca797d5daf777429c45203e

Last Updated: 2026-02-27 16:34:03

📊 View Metrics

All lines in the file including code, text, comments, and blank lines

Language Breakdown

Language Total Lines Code Lines Comment Lines Blank Lines Percentage
cpp 20,269 17,105 1,746 1,418 61.2%
assembly 4,912 4,648 1,124 40 14.8%
basic 3,898 3,634 268 22 11.8%
c 2,776 1,808 560 408 8.4%
text 793 0 0 253 2.4%
python 463 402 32 34 1.4%
Total 33,111 27,597 3,730 2,175 100.0%

Code Composition Analysis

Total Lines Over Time - Changes Per Interval

Total Lines Over Time - Growth

Commit Activity Over Time

📊 Project Cost Estimation Models

Based on 27,597 lines of code (27.6 K)

COCOMO (1981)

Effort: 123.3 person-months
Schedule: 13.5 months
Team Size: 9.1 people
Cost Estimate: $1,479,339
Mode: Semi-detached
Barry Boehm's foundational model using empirical coefficients based on project type.

COCOMO II (2000)

Effort: 99.0 person-months
Schedule: 15.3 months
Team Size: 6.5 people
Cost Estimate: $1,188,070
Exponent (B): 1.060
Updated model with scale factors for modern development practices and reuse.

Function Point Analysis

Function Points: 460 FP
Effort: 21.6 person-months
Schedule: 8.0 months
Team Size: 2.7 people
Cost Estimate: $258,722
Primary Language: cpp
Measures functionality independent of technology using standardized function points (~60 LOC/FP for cpp).

SLIM Model

Effort: 123.3 person-months
Schedule: 1.1 months
Team Size: 114.1 people
Cost Estimate: $1,479,339
Productivity Index: 5,000
Uses Rayleigh curves and Putnam's software equation emphasizing optimal staffing over time.

Putnam Model

Effort: 2,322.9 person-months
Schedule: 8.1 months
Min Schedule: 6.8 months
Team Size: 285.3 people
Cost Estimate: $27,874,631
Technology Factor: 8,000
Lawrence Putnam's lifecycle model based on productivity and minimum development time constraints.

Model Comparison Summary

Model Effort (PM) Schedule (Months) Team Size Cost (@ $75/hr)
COCOMO 123.3 13.5 9.1 $1,479,339
COCOMO II 99.0 15.3 6.5 $1,188,070
Function Points 21.6 8.0 2.7 $258,722
SLIM 123.3 1.1 114.1 $1,479,339
Putnam 2,322.9 8.1 285.3 $27,874,631
AVERAGE 538.0 9.2 58.5 $6,456,020

Note: These are theoretical estimates based on historical models. Actual project costs vary significantly based on team experience, requirements clarity, technology choices, and project management practices. Use these as rough guidelines for planning and budgeting, not as precise predictions.

Recent Commits

Commit User Date Total Lines
284d0a4823 bozimmerman 2026-02-26 19:47 33,111
f7d5a8de4e bozimmerman 2026-02-03 12:03 33,111
58d8a4fb6e bozimmerman 2026-02-02 15:44 33,114
a8a7877fbc bozimmerman 2026-02-02 01:10 33,106
9ee3185576 bozimmerman 2026-02-02 01:09 33,106
5bd6468ca7 bozimmerman 2026-01-22 15:36 33,103
2cdf43128e bozimmerman 2026-01-22 11:59 33,093
5179978cab bozimmerman 2026-01-22 01:56 33,090
0efcf14645 bozimmerman 2026-01-21 20:39 33,096
6e24c7156a bozimmerman 2026-01-21 20:29 33,098
cbe9afdb03 bozimmerman 2026-01-21 20:26 33,094
504b3f9e42 bozimmerman 2026-01-21 20:24 33,085
28c395891f bozimmerman 2026-01-21 15:42 33,084
c64bf74739 bozimmerman 2026-01-21 14:41 33,068
7793c85026 bozimmerman 2026-01-21 13:42 32,406
83baa622c7 bozimmerman 2026-01-21 11:54 32,390
7ffb0aff37 bozimmerman 2026-01-21 02:47 32,379
fb3349f320 bozimmerman 2026-01-21 01:56 32,368
7e07652d35 bozimmerman 2026-01-21 01:13 32,351
91f42e0aa2 bozimmerman 2026-01-21 00:25 32,378
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