/*?Copyright?（c）?2013?Nordic?Semiconductor.?All?Rights?Reserved.
?*
?*?The?information?contained?herein?is?property?of?Nordic?Semiconductor?ASA.
?*?Terms?and?conditions?of?usage?are?described?in?detail?in?NORDIC
?*?SEMICONDUCTOR?STANDARD?SOFTWARE?LICENSE?AGREEMENT.
?*
?*?Licensees?are?granted?free?non-transferable?use?of?the?information.?NO
?*?WARRANTY?of?ANY?KIND?is?provided.?This?heading?must?NOT?be?removed?from
?*?the?file.
?*
?*/

#include?“app_uart.h“
#include?“app_fifo.h“
#include?“nrf.h“
#include?“nrf_gpio.h“
#include?“app_error.h“
#include?“app_util.h“
#include?“app_gpiote.h“

#define?FIFO_LENGTH（F）?????????????（F.write_pos?-?F.read_pos）???????????????/**#define?UART_INSTANCE_GPIOTE_base??0x00FF???????????????????????????????????/**se?for?UART?instance?ID?when?flow?control?is?used.?The?userid?from?GPIOTE?will?be?used?with?padded?0xFF?at?LSB?for?easy?converting?the?instance?id?to?GPIOTE?id.?*/
#define?UART_INSTANCE_ID_INVALID???0x0000???????????????????????????????????/**
/**?@brief?States?for?the?app_uart?state?machine.?*/
typedef?enum
{
????UART_OFF???????????????????????????????????????????????????????????????/**????UART_READY?????????????????????????????????????????????????????????????/**????UART_ON????????????????????????????????????????????????????????????????/**????UART_WAIT_CLOSE????????????????????????????????????????????????????????/**}?app_uart_states_t;

/**?@brief?State?transition?events?for?the?app_uart?state?machine.?*/
typedef?enum
{
????ON_CTS_HIGH????????????????????????????????????????????????????????????/**????ON_CTS_LOW?????????????????????????????????????????????????????????????/**????ON_UART_PUT????????????????????????????????????????????????????????????/**????ON_TX_READY????????????????????????????????????????????????????????????/**????ON_UART_CLOSE??????????????????????????????????????????????????????????/**}?app_uart_state_events_t;

static?app_fifo_t??????????????????m_rx_fifo;???????????????????????????????/**static?app_fifo_t??????????????????m_tx_fifo;???????????????????????????????/**