volatile bool radio_esp8266_success
the last command has succeeded
void radio_esp8266_setup(void)
setup peripherals to communicate with radio
void radio_esp8266_tcp_open(char *host, uint16_t port)
establish TCP connection
void radio_esp8266_send(uint8_t *data, uint8_t length)
send data (requires established connection)
void radio_esp8266_close(void)
close established connection
volatile bool radio_esp8266_activity
a response has been returned by the radio