/*
*
*
*/

#ifndef __USART_H
#define __USART_H

#include "stm32f4xx.h"
#include "stdio.h"

#define UART_INF_REG                            1

#define WIFI_LOWEST_BAUDRATE                    115200
#define WIFI_HIGH_BAUDRATE                      921600
#define WIFI_HIGHEST_BAUDRATE                   1000000

#define WIFI_UART_WORDLENGTH                    UART_WORDLENGTH_8B
#define WIFI_UART_STOPBITS                      UART_STOPBITS_1
#define WIFI_UART_PARITY                        UART_PARITY_NONE
#define WIFI_UART                               UART5

#if UART_INF_REG==0
extern UART_HandleTypeDef  wifi_UartHandle;
extern UART_HandleTypeDef  huart3;
#endif

void Delay_ms( unsigned int time_ms );

void Wifi_USART_Init(uint32_t baud);
void Wifi_Start(void);
int Wifi_reset(void);
int Wifi_Uart_Send(uint8_t *buf, uint32_t len, uint32_t timeout);
int Wifi_Uart_Receive(uint8_t *buf, uint32_t len, uint32_t timeout);

unsigned int Wifi_Uart_DataLen(void);
unsigned int Wifi_Uart_ReadData(uint8_t* buf, uint32_t len);

void Wifi_Uart_ClearRxBuf(void);

void Wifi_Uart_ClearTxBuf(void);

void Wifi_Uart_IRQ_Handler(void);

#endif