CodePhacts
Zimodem

Zimodem

Modem emulator for Espressif chips

Manager Name: Bo Zimmerman

Repository Type: git

Last Commit: 2cdf43128e7e5e7eb7649890e27a171128b86242

Last Updated: 2026-01-22 12:43:09

📊 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 20,254 17,092 1,745 1,417 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 460 412 19 34 1.4%
Total 33,093 27,594 3,716 2,174 100.0%

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 27,594 lines of code (27.6 K)

COCOMO (1981)

Effort: 123.3 person-months
Schedule: 13.5 months
Team Size: 9.1 people
Cost Estimate: $1,479,159
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: $1,187,933
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: $258,694
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: $1,479,159
Productivity Index: 5,000
Uses Rayleigh curves and Putnam's software equation emphasizing optimal staffing over time.

Putnam Model

Effort: 2,322.5 person-months
Schedule: 8.1 months
Min Schedule: 6.8 months
Team Size: 285.2 people
Cost Estimate: $27,870,389
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 $1,479,159
COCOMO II 99.0 15.3 6.5 $1,187,933
Function Points 21.6 8.0 2.7 $258,694
SLIM 123.3 1.1 114.1 $1,479,159
Putnam 2,322.5 8.1 285.2 $27,870,389
AVERAGE 537.9 9.2 58.5 $6,455,067

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
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
bf5cb49f42 bozimmerman 2026-01-19 20:10 32,376
219abf5908 bozimmerman 2026-01-19 19:57 32,376
9d5df0662c bozimmerman 2026-01-05 23:50 31,861
28c64a0f76 bozimmerman 2025-11-30 19:26 32,165
86f7105602 bozimmerman 2025-06-29 11:39 32,138
97748770ce bozimmerman 2025-06-28 18:40 32,138
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