esp8266: New port of Micro Python to ESP8266 wifi module.
diff --git a/esp8266/uart.h b/esp8266/uart.h
new file mode 100644
index 0000000..ce1438b
--- /dev/null
+++ b/esp8266/uart.h
@@ -0,0 +1,96 @@
+#ifndef _INCLUDED_UART_H_
+#define _INCLUDED_UART_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 = 0,
+ UART_EVEN_BITS = BIT4
+} UartParityMode;
+
+typedef enum {
+ UART_STICK_PARITY_DIS = 0,
+ UART_STICK_PARITY_EN = BIT3 | BIT5
+} 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);
+void uart_tx_one_char(uint8 uart, uint8 TxChar);
+
+#endif // _INCLUDED_UART_H_