Return number if s contains only digits, otherwise return the string.

* @brief Kick the tcpip message handling thread so we get a callback * @retval bool Woken flag, true if a message was queued, false for no action */

Verify the I2C connection. * Make sure the device is connected and responds as expected. * @return True if connection is valid, false otherwise */

Called with mutex locked

* @brief Return a string representation of the session ID */

* @brief Send/receive one 16-bit word of data * @param val The word to send * @retval uint16_t The received word * * Word is transferred eithe

* @brief Reduce capacity to match current size */

Get number of characters in receive FIFO

Get available free characters in transmit FIFO

Return true if transmit FIFO is full

Return true if transmit FIFO is full

decode urlencoded URL into ascii characters * if dest is NULL, return malloc()'d string. needs to be free()'d * if src_len is negative treat src as

Raises an exception if any problems are found in the configuration. On success, returns a consistently-ordered JSON configuration.

----------------------------------------------------------------------* * Sets the RTC's time from a tmElements_t structure and clears the * * o

Disable CS signal

Assert CS signal

* Used to exit the PCD from its authenticated state. * Remember to call this function after communicating with an authenticated PICC - otherwise no n

* Instructs a PICC in state ACTIVE(*) to go to state HALT. * * @return STATUS_OK on success, STATUS_??? otherwise. */

* Returns true if a PICC responds to PICC_CMD_REQA. * Only "new" cards in state IDLE are invited. Sleeping cards in state HALT are ignored. * * @r

* Simple wrapper around PICC_Select. * Returns true if a UID could be read. * Remember to call PICC_IsNewCardPresent(), PICC_RequestA() or PICC_Wake