Split up nativeio.0.9.4

This was done to allow greatly granularity when deciding what functionality
is built into each board's build. For example, this way pulseio can be
omitted to allow for something else such as touchio.

1 files changed, 103 insertions, 0 deletions

diff --git a/esp8266/espuart.h b/esp8266/espuart.h
new file mode 100644
index 000000000..2b97683ff
--- /dev/null
+++ b/esp8266/espuart.h
@@ -0,0 +1,103 @@
+#ifndef _INCLUDED_UART_H_
+#define _INCLUDED_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);
+
+#endif // _INCLUDED_UART_H_