Module env_parser 

Functions

env_sanitize

Sanitizes environment variable input by checking for valid ASCII graphic characters.

parse_mac_address

Parses a MAC address from an environment variable value in XX:XX:XX:XX:XX:XX format.

parse_pubkey

Validates a public key environment value.

parse_uart_baud

Parses a UART baud rate, accepting 300 to 5000000 baud.

parse_uart_data_bits

Parses the UART data bits per frame, accepting 5 to 8.

parse_uart_parity

Parses the UART parity setting, accepting none, even or odd.

parse_uart_stop_bits

Parses the UART stop bits per frame, accepting 1 or 2.

parse_wifi_ap_ssid

Parses and validates a WiFi SSID from an environment variable value.

parse_wifi_band

Parses a WiFi band mode from an environment variable value.

parse_wifi_psk

Parses and validates a WiFi PSK from an environment variable value.

parse_wifi_station_ssid

Parses and validates a WiFi SSID from an environment variable value.