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README.md

Project Status: Active – The project has reached a stable, usablestate and is being activelydeveloped. Signedby Signed commit% R-CMD-check Linux buildStatus CoverageStatus Minimal RVersion License

tcam

Retrieve Radiometric Image Data from and Configure and Control tCam and tCam-Mini Thermal Imaging Systems

Description

The tCam and tCam-Mini (https://github.com/danjulio/lepton/tree/master/ESP32) are two cameras designed around the ESP32 chipset and provide easy access to radiometric data from Lepton 3.5 sensors. Tools are provided to configure, control, and receive radiometric data from tCam systems.

What’s Inside The Tin

The following functions are implemented:

  • get_config: Returns a packet with the camera’s current settings.
  • get_image: Returns a packet with metadata, radiometric (or AGC) image data and Lepton telemetry objects.
  • get_lep_cci: Reads and returns specified data from the Lepton’s CCI interface.
  • get_status: Returns a packet with camera status.
  • get_wifi: Returns a packet with the camera’s current WiFi and Network configuration.
  • set_time: Set the camera’s clock.
  • tcam_connect: Make a socket connection to a tCam device
  • tidy_radiometric: Return a tidy data frame of Lepton radiometric data retrieved with get_image()

Installation

remotes::install_git("https://git.rud.is/hrbrmstr/tcam.git")
# or
remotes::install_gitlab("hrbrmstr/tcam")
# or
remotes::install_github("hrbrmstr/tcam")

NOTE: To use the ‘remotes’ install options you will need to have the {remotes} package installed.

Usage

library(tcam)
library(ggplot2) # for plotting

# current version
packageVersion("tcam")
## [1] '0.1.0'

Open a connection to the tCam:

con <- tcam_connect()

Get the tCam status:

get_status(con)
## $status
## $status$Camera
## [1] "tCam-Mini-B3CD"
## 
## $status$Model
## [1] 2
## 
## $status$Version
## [1] "1.3"
## 
## $status$Time
## [1] "12:04:24.769"
## 
## $status$Date
## [1] "8/20/21"

Take a picture and plot it:

img <- get_image(con)

ggplot(tidy_radiometric(img)) +
  geom_tile(
    aes(x, y, fill = value),
    color = NA
  ) +
  scale_fill_viridis_c(
    name = "°F",
    option = "magma"
  ) +
  coord_fixed() +
  labs(
    x = NULL, y = NULL
  ) +
  theme_minimal() +
  theme(
    axis.text.x.bottom = element_blank(),
    axis.text.y.left = element_blank(),
    panel.grid.major = element_blank(),
    panel.grid.minor = element_blank()
  )

Done, so we close the connection (kinda important)

close(con)

tcam Metrics

Lang # Files (%) LoC (%) Blank lines (%) # Lines (%)
R 6 0.33 174 0.38 55 0.34 123 0.37
Rmd 1 0.06 34 0.07 25 0.15 42 0.13
YAML 2 0.11 23 0.05 2 0.01 2 0.01
SUM 9 0.50 231 0.50 82 0.50 167 0.50

clock Package Metrics for tcam

Code of Conduct

Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms.