#ifndef UART_DEVICE_H__
#define UART_DEVICE_H__


#include <stdint.h>

#define TX_MAX_FIFO_SIZE        (8U)
#define RX_MAX_FIFO_SIZE        (32U)

#define TX_BUFF_SIZE_POS       (7U)
#define TX_BUFF_SIZE           (1U << TX_BUFF_SIZE_POS)

#define RX_BUFF_SIZE           RX_MAX_FIFO_SIZE
#define RX_FIFO_INT_SIZE       (RX_MAX_FIFO_SIZE/2)
#define TX_FIFO_INT_SIZE        (1U)

#define BAUDRATE_OSR_16MHZ_HIGH_SPEED  (16U)
#define BAUDRATE_OSR_16MHZ  (14U)
#define BAUDRATE_OSR_8MHZ   (14U)
#define BAUDRATE_OSR_4MHZ   (13U)
#define BAUDRATE_OSR_2MHZ   (13U)



//typedef enum{
//  BAUDRATE_9600         = 9600U,
//  BAUDRATE_19200        = 19200U,
//  BAUDRATE_38400        = 38400U,
//  BAUDRATE_57600        = 57600U,
//  BAUDRATE_115200       = 115200U,
//  BAUDRATE_250000       = 250000U,
//  BAUDRATE_500000       = 500000U,
//  BAUDRATE_1000000      = 1000000U,
//}Baudrate_t;

typedef enum{
  BITSIZE_7BITS = 2U,
  BITSIZE_8BITS = 3U,
}BitSize_t;

/*!< Parity: 00: NONE, 01: ODD, 11: EVEN */
typedef enum{
  PARITY_NONE = 0U,
  PARITY_ODD  = 1U,
  PARITY_EVEN = 3U,
}Parity_t;


typedef enum{
  STOPS_1BITS = 0U,
  STOPS_2BITS,
}StopBits_t;


#define RX_DATA_SIZE    (128U)
#define VALID_RX_PACKAGE_SIZE   (81U)

typedef void (*uartRx_cb_func_t)(uint8_t* buff, uint8_t length);
typedef void (*uartTx_cb_func_t)(void);


int8_t UART_Init(uint32_t baudRate, BitSize_t bitSize, Parity_t parity,StopBits_t stopBits);
void UART_RegisterIRQ(uartRx_cb_func_t rxDowncallback);
void UART_UnRegisterIRQ(void);
int8_t UART_SendBuff(uint8_t *buff, uint16_t length);
uint8_t UART_ReadByte(void);







































#endif