글쓴이가 자주갖고 노는 아두이노(Arduino). 그런데 요즘 R언어를 배우다보니 이런 생각이 들더란 말이다.
R언어로 아두이노를 만지작거릴 수 있지 않을까? 검색을 했더니 역시나 가능했다.
그 방법을 여기에 적는다. [여기]를 참고했다.
먼저 R Studio를 열고 다음과 같이 친다. " "안에 들어간 것들은 패키지의 이름인데, Serial을 제외한 나머지는 당최 무엇을 위해 필요한 건지 감이 잡히지 않는다. 설명을 읽어보자.
Tidyverse는 데이터 시각화 및 핸들과 같은 데이터 과학 작업을 위해 설계된 R 패키지 모음이다. 직렬 통신은 RS232 / RS422 / RS485 또는 컴퓨터의 다른 가상 직렬 인터페이스에서 이진수 및 ASCII 데이터를 읽고 쓸 수 있다. Plotly를 사용하면 "ggplot2" 그래픽 에서 대화형 웹 그래픽(단체 채팅방 같은 거)을 만들 수 있다 .
다 읽었으면 어서 깔아보자.
install.packages(c("tidyverse", "serial", "plotly", "magrittr"))실행을 시키면 처음엔 파일이 없어 뭘 할 수 없네 어쩌네하는 메시지 창이 순간 뜨는데, 이때 놀라면 안된다.
곧바로 겁날 정도로 뭔가 엄청난 양의 파일들이 깔리기 때문이다. 실행창에 뜬 메시지는 다음과 같다.
install.packages(c("tidyverse", "serial", "plotly", "magrittr"))
WARNING: Rtools is required to build R packages but is not currently installed. Please download and install the appropriate version of Rtools before proceeding:
https://cran.rstudio.com/bin/windows/Rtools/
‘C:/Users/user/Documents/R/win-library/4.1’의 위치에 패키지(들)을 설치합니다.
(왜냐하면 ‘lib’가 지정되지 않았기 때문입니다)
‘sys’, ‘bit’, ‘ps’, ‘sass’, ‘rappdirs’, ‘rematch’, ‘askpass’, ‘bit64’, ‘prettyunits’, ‘processx’, ‘evaluate’, ‘highr’, ‘xfun’, ‘bslib’, ‘jquerylib’, ‘tinytex’, ‘colorspace’, ‘backports’, ‘ellipsis’, ‘generics’, ‘glue’, ‘assertthat’, ‘blob’, ‘DBI’, ‘lifecycle’, ‘R6’, ‘tidyselect’, ‘withr’, ‘gargle’, ‘uuid’, ‘cellranger’, ‘curl’, ‘ids’, ‘rematch2’, ‘gtable’, ‘isoband’, ‘cpp11’, ‘pkgconfig’, ‘mime’, ‘openssl’, ‘fansi’, ‘utf8’, ‘clipr’, ‘vroom’, ‘tzdb’, ‘progress’, ‘callr’, ‘fs’, ‘knitr’, ‘rmarkdown’, ‘selectr’, ‘stringi’, ‘farver’, ‘labeling’, ‘munsell’, ‘fastmap’, ‘yaml’, ‘Rcpp’, ‘later’, ‘broom’, ‘cli’, ‘crayon’, ‘dbplyr’, ‘dplyr’, ‘dtplyr’, ‘forcats’, ‘googledrive’, ‘googlesheets4’, ‘ggplot2’, ‘haven’, ‘hms’, ‘httr’, ‘jsonlite’, ‘lubridate’, ‘modelr’, ‘pillar’, ‘purrr’, ‘readr’, ‘readxl’, ‘reprex’, ‘rlang’, ‘rstudioapi’, ‘rvest’, ‘stringr’, ‘tibble’, ‘tidyr’, ‘xml2’, ‘scales’, ‘digest’, ‘viridisLite’, ‘base64enc’, ‘htmltools’, ‘htmlwidgets’, ‘RColorBrewer’, ‘vctrs’, ‘lazyeval’, ‘crosstalk’, ‘data.table’, ‘promises’(들)을 또한 설치합니다.
There are binary versions available but the source versions are later:
binary source needs_compilation
vctrs 0.3.8 0.4.0 TRUE
magrittr 2.0.2 2.0.3 TRUE
Binaries will be installed
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The downloaded binary packages are in
C:\Users\user\AppData\Local\Temp\Rtmpywbp38\downloaded_packages그리고 이걸 치면
library(tidyverse)
library(serial)
library(magrittr)
library(plotly)
listPorts()이렇게 뜬다.
> library(tidyverse)
-- Attaching packages -------------------------------------------------------------------------------- tidyverse 1.3.1 --
??[30m ggplot2 3.3.5 ??[30m purrr 0.3.4
??[30m tibble 3.1.6 ??[30m dplyr 1.0.8
??[30m tidyr 1.2.0 ??[30m stringr 1.4.0
??[30m readr 2.1.2 ??[30m forcats 0.5.1
-- Conflicts ----------------------------------------------------------------------------------- tidyverse_conflicts() --
x dplyr::filter() masks stats::filter()
x dplyr::lag() masks stats::lag()
> library(serial)
다음의 패키지를 부착합니다: ‘serial’
The following object is masked from ‘package:base’:
isOpen
> library(magrittr)
다음의 패키지를 부착합니다: ‘magrittr’
The following object is masked from ‘package:purrr’:
set_names
The following object is masked from ‘package:tidyr’:
extract
> library(magrittr)
> library(plotly)
다음의 패키지를 부착합니다: ‘plotly’
The following object is masked from ‘package:ggplot2’:
last_plot
The following object is masked from ‘package:stats’:
filter
The following object is masked from ‘package:graphics’:
layout
> listPorts()
[1] "COM10"COM 10? 마침 이 명령어를 실행시킬 때 PUTTY란 프로그램이 COM10을 통해 아두이노와 연결된 상태였다. 그래서 떴나?
말 나온 김에 얘기하자면, CMD는 좀 다르다. 거기서 MODE를 치면 연결되어 있는 COM 포트번호가 뜨는 데, PUTTY 실행 중에 MODE를 치면 그런 걸 볼 수 없다. 왜 이런 차이가 생기는지는 추가적인 정보를 찾아봐야겠다.
여기까지 잘 따라왔다면, 모든 준비는 끝난 셈이다.
다음 편에 계속...
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