107 lines
2.5 KiB
C
107 lines
2.5 KiB
C
#ifndef MICROPY_INCLUDED_ESP8266_UART_H
|
|
#define MICROPY_INCLUDED_ESP8266_UART_H
|
|
|
|
#include <eagle_soc.h>
|
|
|
|
#define UART0 (0)
|
|
#define UART1 (1)
|
|
|
|
typedef enum {
|
|
UART_FIVE_BITS = 0x0,
|
|
UART_SIX_BITS = 0x1,
|
|
UART_SEVEN_BITS = 0x2,
|
|
UART_EIGHT_BITS = 0x3
|
|
} UartBitsNum4Char;
|
|
|
|
typedef enum {
|
|
UART_ONE_STOP_BIT = 0,
|
|
UART_ONE_HALF_STOP_BIT = BIT2,
|
|
UART_TWO_STOP_BIT = BIT2
|
|
} UartStopBitsNum;
|
|
|
|
typedef enum {
|
|
UART_NONE_BITS = 0,
|
|
UART_ODD_BITS = BIT0,
|
|
UART_EVEN_BITS = 0
|
|
} UartParityMode;
|
|
|
|
typedef enum {
|
|
UART_STICK_PARITY_DIS = 0,
|
|
UART_STICK_PARITY_EN = BIT1
|
|
} UartExistParity;
|
|
|
|
typedef enum {
|
|
UART_BIT_RATE_9600 = 9600,
|
|
UART_BIT_RATE_19200 = 19200,
|
|
UART_BIT_RATE_38400 = 38400,
|
|
UART_BIT_RATE_57600 = 57600,
|
|
UART_BIT_RATE_74880 = 74880,
|
|
UART_BIT_RATE_115200 = 115200,
|
|
UART_BIT_RATE_230400 = 230400,
|
|
UART_BIT_RATE_256000 = 256000,
|
|
UART_BIT_RATE_460800 = 460800,
|
|
UART_BIT_RATE_921600 = 921600
|
|
} UartBautRate;
|
|
|
|
typedef enum {
|
|
UART_NONE_CTRL,
|
|
UART_HARDWARE_CTRL,
|
|
UART_XON_XOFF_CTRL
|
|
} UartFlowCtrl;
|
|
|
|
typedef enum {
|
|
UART_EMPTY,
|
|
UART_UNDER_WRITE,
|
|
UART_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 {
|
|
UART_BAUD_RATE_DET,
|
|
UART_WAIT_SYNC_FRM,
|
|
UART_SRCH_MSG_HEAD,
|
|
UART_RCV_MSG_BODY,
|
|
UART_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);
|
|
int uart0_rx(void);
|
|
bool uart_rx_wait(uint32_t timeout_us);
|
|
int uart_rx_char(void);
|
|
void uart_tx_one_char(uint8 uart, uint8 TxChar);
|
|
void uart_flush(uint8 uart);
|
|
void uart_os_config(int uart);
|
|
void uart_setup(uint8 uart);
|
|
// check status of rx/tx
|
|
int uart_rx_any(uint8 uart);
|
|
int uart_tx_any_room(uint8 uart);
|
|
|
|
#endif // MICROPY_INCLUDED_ESP8266_UART_H
|