ESPTerm - ESP8266 terminal emulator. Branches: [master] patches, [work] next release
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espterm-firmware/include/driver/uart.h

101 lines
2.1 KiB

#ifndef UART_APP_H
#define UART_APP_H
#include "uart_register.h"
#include "eagle_soc.h"
#include "c_types.h"
#define RX_BUFF_SIZE 256
#define TX_BUFF_SIZE 100
#define UART0 0
#define UART1 1
typedef enum {
FIVE_BITS = 0x0,
SIX_BITS = 0x1,
SEVEN_BITS = 0x2,
EIGHT_BITS = 0x3
} UartBitsNum4Char;
typedef enum {
ONE_STOP_BIT = 0,
ONE_HALF_STOP_BIT = BIT2,
TWO_STOP_BIT = BIT2
} UartStopBitsNum;
typedef enum {
NONE_BITS = 0,
ODD_BITS = 0,
EVEN_BITS = BIT4
} UartParityMode;
typedef enum {
STICK_PARITY_DIS = 0,
STICK_PARITY_EN = BIT3 | BIT5
} UartExistParity;
typedef enum {
BIT_RATE_9600 = 9600,
BIT_RATE_19200 = 19200,
BIT_RATE_38400 = 38400,
BIT_RATE_57600 = 57600,
BIT_RATE_74880 = 74880,
BIT_RATE_115200 = 115200,
BIT_RATE_230400 = 230400,
BIT_RATE_460800 = 460800,
BIT_RATE_921600 = 921600
} UartBautRate;
typedef enum {
NONE_CTRL,
HARDWARE_CTRL,
XON_XOFF_CTRL
} UartFlowCtrl;
typedef enum {
EMPTY,
UNDER_WRITE,
WRITE_OVER
} RcvMsgBuffState;
typedef struct {
uint32 RcvBuffSize;
uint8 *pRcvMsgBuff;
uint8 *pWritePos;
uint8 *pReadPos;
uint8 TrigLvl; //JLU: may need to pad
RcvMsgBuffState BuffState;
} RcvMsgBuff;
typedef struct {
uint32 TrxBuffSize;
uint8 *pTrxBuff;
} TrxMsgBuff;
typedef enum {
BAUD_RATE_DET,
WAIT_SYNC_FRM,
SRCH_MSG_HEAD,
RCV_MSG_BODY,
RCV_ESC_CHAR,
} RcvMsgState;
typedef struct {
UartBautRate baut_rate;
UartBitsNum4Char data_bits;
UartExistParity exist_parity;
UartParityMode parity; // chip size in byte
UartStopBitsNum stop_bits;
UartFlowCtrl flow_ctrl;
RcvMsgBuff rcv_buff;
TrxMsgBuff trx_buff;
RcvMsgState rcv_state;
int received;
int buff_uart_no; //indicate which uart use tx/rx buffer
} UartDevice;
void uart_init(UartBautRate uart0_br, UartBautRate uart1_br);
void uart0_sendStr(const char *str);
#endif