/** ##########################################################################
**     Filename  : uart.h
**     Project   :
**     Module    :
**     Processor :
**     Version   : 1.0
**     Compiler  :
**     Date/Time :
**     Abstract  :
**     Contents  :
**     Note      :  uart底层
**
**     (c) Copyright dmdz Co.,Ltd
**  --------------------------------------------------------------------------
**               R E V I S I O N   H I S T O R Y
**  --------------------------------------------------------------------------
**  Date       Ver   Author             Description

**  -20230602-  --V1.0--  --mingyea---  --修改--

** #########################################################################*/

#ifndef UART_H__
#define UART_H__


/*---------------------------------------------------------------------------
* I N C L U D E   F I L E S
----------------------------------------------------------------------------*/
#include "common_types.h"
#include "uart_cfg.h"

/*---------------------------------------------------------------------------
* D E F I N E S / M A C R O S
----------------------------------------------------------------------------*/
#define UART_STATE_IDLE 0u
#define UART_STATE_TX 1u
#define UART_STATE_RX 2u

#define UART_RESULT_INIT 0u
//#define UART_RESULT_OK 1u
#define UART_RESULT_CHECK_ERROR 2u
#define UART_RESULT_TIMEOUT 3u
#define UART_RESULT_OVER_LEN 4u
#define UART_RESULT_TX_OK 5u
#define UART_RESULT_RX_OK 6u

#define UART_OP_RESULT_OK 0u
#define UART_OP_RESULT_BUSY 1u
#define UART_OP_RESULT_FAILED 2u

/****************和协议相关的内容********************/
#define USART_HEAD0_VALUE  0x55u
#define USART_HEAD1_VALUE  0xaau

#define USART_PID 0xa1

#define USART_CMD_READ_DIFF 0x01
#define USART_CMD_READ_VERSION 0x02

#define USART_LEN_READ_VERSION 0x05

#define USART_SLEEP_STATE_WAKE 0x00
#define USART_SLEEP_STATE_SLEEP 0x01

#define UART_DRV_GOTO_IDLE_TIME_OUT_CNT 5 //2000
/*---------------------------------------------------------------------------
* T Y P E   D E F I N I T I O N S
----------------------------------------------------------------------------*/
typedef struct
{
	u8 state;  //见 UART_STATE_IDLE
	u8 sub_state;  //见 UART_STATE_IDLE
	u8 cmd;	//指令 
	u8 byte_count;	//字节计数
	u8 tx_byte_total;  //要发送的总字节数
	u8 rx_byte_total;  //要接收的总字节数
	u8 result;
	u8 timecount;
	u8 tx_data[UART_TX_BUFF_LENGTH];
	u8 rx_data[UART_RX_BUFF_LENGTH];

	#ifdef UART_DEBUG_EN
	u16 rx_count;
	u16 rx_count_timeout;
	u16 tx_count;
	u16 tx_count_timeout;
	#endif
}uart_s;
/*---------------------------------------------------------------------------
* G L O B A L   V A R I A B L E S
* only configuration table allowed here,variables are not allowed!
----------------------------------------------------------------------------*/


/*---------------------------------------------------------------------------
* C O N S T A N T S
----------------------------------------------------------------------------*/

/*---------------------------------------------------------------------------
* F U N C T I O N   P R O T O T Y P E
----------------------------------------------------------------------------*/


void uart_init(void);
void uart_task(void);

u8 uart_tx_start(UART_Type *device, u8 *pdata, u8 length);
void uart_tx_isr_task(UART_Type *device);
void uart_rx_isr_task(UART_Type *device,u8 data);
void uart_timeout_task(UART_Type *device);

u8 uart_get_result(void);
u8 uart_get_rx_data(u8 *pdata,u8 len);

void Uartx_Init(UART_Type *device, uint32_t baud_rate);

#endif