Decoing bitwise field

decode_bitwise.R

decode_field <- function(x) {
  nms <- c("No alarm", "Tape Break", "Beta Count Failure", "High Tape Delta Pressure (Tape Advance)", "Pressure Sensor Failure", "Flow Failure", "Nozzle Failure", "Internal Hardware (SPI bus) Failure", "Low Battery", "Delta Temperature Setpoint Exceeded", "Pump Over Temp 48C")
  nms[bitwAnd(x, c(0, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512)) > 0]
}
decode_field(8)
#> [1] "Pressure Sensor Failure"
decode_field(64 + 2)
#> [1] "Beta Count Failure"                 
#> [2] "Internal Hardware (SPI bus) Failure"
decode_field(1 + 32 + 128)
#> [1] "Tape Break"     "Nozzle Failure" "Low Battery"