//******************************************************************************          
//name:             BLE_Uart.c          
//introduce:        藍芽串列埠透傳驅動   
//author:           甜甜的大香瓜                 
//email:            [email protected]     
//QQ group          香瓜微控制器之STM8/STM32(164311667)                  
//changetime:       2016.10.17   
//****************************************************************************** 
#include "stm32f10x.h"
#include "BLE_Uart.h"
#include "GUA_USART.h"
#include <string.h>
#include "main.h"
/*********************巨集定義************************/ 
#ifndef U8  
typedef unsigned char U8;  
#endif  
  
#ifndef U16  
typedef unsigned short U16;  
#endif  

#ifndef U32  
typedef unsigned long U32;  
#endif  

#ifndef int32  
typedef signed long int32;  
#endif 

//引腳巨集定義
#define BLE_UART_INT                    GPIOA
#define BLE_UART_INT_PIN                GPIO_Pin_6

#define BLE_UART_WAKEUP                 GPIOA
#define BLE_UART_WAKEUP_PIN             GPIO_Pin_5

#define BLE_UART_RESET                  GPIOA
#define BLE_UART_RESET_PIN              GPIO_Pin_0
/*********************全域性變數************************/ 
U8 gBLE_Uart_IntPulse = BLE_UART_INTPULSE_IDLE;         //無脈衝

/*********************內部函式宣告************************/ 
static void BLE_Uart_IO_Init(void);
static void BLE_Uart_Exti_Init(void);
//******************************************************************************            
//name:             BLE_Uart_IO_Init           
//introduce:        藍芽串列埠模組的IO初始化         
//parameter:        none                 
//return:           none         
//author:           甜甜的大香瓜                 
//email:            
 
[email protected]     
//QQ group          香瓜微控制器之STM8/STM32(164311667)                  
//changetime:       2016.10.17                     
//******************************************************************************
static void BLE_Uart_IO_Init(void)
{	
	//IO結構體
	GPIO_InitTypeDef GPIO_InitStructure;
	
	//時鐘使能
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); 
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);	
	
	//RESET配置
	GPIO_InitStructure.GPIO_Pin = BLE_UART_RESET_PIN;  		
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; 
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(BLE_UART_RESET, &GPIO_InitStructure);
	
	
	//WAKEUP配置	
	GPIO_InitStructure.GPIO_Pin = BLE_UART_WAKEUP_PIN;  		
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; 
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(BLE_UART_WAKEUP, &GPIO_InitStructure);

	
	//INT配置
	GPIO_InitStructure.GPIO_Pin = BLE_UART_INT_PIN;  		
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; 
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(BLE_UART_INT, &GPIO_InitStructure);
}

//******************************************************************************            
//name:             BLE_Uart_Exti_Init           
//introduce:        藍芽串列埠模組的IO中斷初始化         
//parameter:        none                 
//return:           none         
//author:           甜甜的大香瓜                 
//email:            
 
[email protected]     
//QQ group          香瓜微控制器之STM8/STM32(164311667)                  
//changetime:       2016.10.17                    
//******************************************************************************
static void BLE_Uart_Exti_Init(void)
{	
	EXTI_InitTypeDef EXTI_InitStructure;

	//配置中斷線
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource6);  

	//配置中斷引數
	EXTI_InitStructure.EXTI_Line = EXTI_Line6;
	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;  
	EXTI_InitStructure.EXTI_LineCmd = ENABLE;
	EXTI_Init(&EXTI_InitStructure);
}
//******************************************************************************            
//name:             BLE_Uart_Init           
//introduce:        藍芽串列埠模組初始化         
//parameter:        none                 
//return:           none         
//author:           甜甜的大香瓜                 
//email:            
 
[email protected]     
//QQ group          香瓜微控制器之STM8/STM32(164311667)                  
//changetime:       2016.10.17                     
//******************************************************************************
void BLE_Uart_Init(void)
{
  u32 i;

  /**********初始化***************/
  //初始化IO
  BLE_Uart_IO_Init();
	
  //初始化IO的中斷配置
  BLE_Uart_Exti_Init();
	
  //復位
	GPIO_ResetBits(BLE_UART_RESET, BLE_UART_RESET_PIN);           //RESET低   
  for(i = 0; i < 1000000; i++);  
  GPIO_SetBits(BLE_UART_RESET, BLE_UART_RESET_PIN);             //RESET高    
  for(i = 0; i < 1000000; i++);
  
  //喚醒
  GPIO_SetBits(BLE_UART_WAKEUP, BLE_UART_WAKEUP_PIN);           //WAKE UP 高    
  for(i = 0; i < 1000000; i++);    
  GPIO_ResetBits(BLE_UART_WAKEUP, BLE_UART_WAKEUP_PIN);         //WAKE UP 低  
  for(i = 0; i < 1000000; i++); 

  //等待INT的低脈衝
  while(gBLE_Uart_IntPulse == BLE_UART_INTPULSE_IDLE);          //低脈衝
  gBLE_Uart_IntPulse = BLE_UART_INTPULSE_IDLE;                  //清空脈衝計數
  while(!GPIO_ReadInputDataBit(BLE_UART_INT, BLE_UART_INT_PIN));//等待INT被拉高 

  
  /**********串列埠測試***************/    
  //發現串列埠測試指令
  memset(gGUA_USART2_rx_buf, 0xff, GUA_USART2_RX_SIZE);                     
  
  gGUA_USART2_tx_buf[0] = 0x41;                                      
  gGUA_USART2_tx_buf[1] = 0x54;  
  gGUA_USART2_tx_buf[2] = 0x0d;
  gGUA_USART2_tx_buf[3] = 0x0a;

  GUA_USARTx_Send(USART2, gGUA_USART2_tx_buf, 4);                             
		
  //接收完畢  
  while(!GPIO_ReadInputDataBit(BLE_UART_INT, BLE_UART_INT_PIN));//等待INT被拉高  
  gBLE_Uart_IntPulse = BLE_UART_INTPULSE_IDLE;                  //清空脈衝計數
  
  while(function != FUNC_AT_OK);                               	//等待串列埠資料接收完畢                                        
  function = FUNC_IDLE_EVENT;                                   //置位   

  
  /*********設定從模式***************/    
  //傳送設定從模式指令
  memset(gGUA_USART2_rx_buf, 0xff, GUA_USART2_RX_SIZE);       
  
  gGUA_USART2_tx_buf[0] = 0x41;                                     
  gGUA_USART2_tx_buf[1] = 0x54;  
  gGUA_USART2_tx_buf[2] = 0x2b;
  gGUA_USART2_tx_buf[3] = 0x53;
  gGUA_USART2_tx_buf[4] = 0x45;  
  gGUA_USART2_tx_buf[5] = 0x54;
  gGUA_USART2_tx_buf[6] = 0x3d;
  gGUA_USART2_tx_buf[7] = 0x31;  
  gGUA_USART2_tx_buf[8] = 0x0d;
  gGUA_USART2_tx_buf[9] = 0x0a;
  
  GUA_USARTx_Send(USART2, gGUA_USART2_tx_buf, 10);                   

  //接收完畢（兩個OK應答）   
  while(!GPIO_ReadInputDataBit(BLE_UART_INT, BLE_UART_INT_PIN));//等待INT被拉高  
  gBLE_Uart_IntPulse = BLE_UART_INTPULSE_IDLE;                  //清空脈衝計數
  
  while(function != FUNC_AT_OK);                               	//等待串列埠資料接收完畢                                        
  function = FUNC_IDLE_EVENT;                                   //置位 
  
  while(!GPIO_ReadInputDataBit(BLE_UART_INT, BLE_UART_INT_PIN));//等待INT被拉高  
  gBLE_Uart_IntPulse = BLE_UART_INTPULSE_IDLE;                  //清空脈衝計數
  
  while(function != FUNC_AT_OK);                               	//等待串列埠資料接收完畢                                        
  function = FUNC_IDLE_EVENT;                                   //置位 
  
  /*********進入透傳模式***************/  
  //傳送透傳模式指令
  memset(gGUA_USART2_rx_buf, 0xff, GUA_USART2_RX_SIZE);                 

  gGUA_USART2_tx_buf[0] = 0x41;                                    
  gGUA_USART2_tx_buf[1] = 0x54;  
  gGUA_USART2_tx_buf[2] = 0x2b;
  gGUA_USART2_tx_buf[3] = 0x4d;
  gGUA_USART2_tx_buf[4] = 0x4f;  
  gGUA_USART2_tx_buf[5] = 0x44;
  gGUA_USART2_tx_buf[6] = 0x45;
  gGUA_USART2_tx_buf[7] = 0x3d;  
  gGUA_USART2_tx_buf[8] = 0x44;
  gGUA_USART2_tx_buf[9] = 0x41;
  gGUA_USART2_tx_buf[10] = 0x54;
  gGUA_USART2_tx_buf[11] = 0x41;  
  gGUA_USART2_tx_buf[12] = 0x0d;
  gGUA_USART2_tx_buf[13] = 0x0a;
  
  GUA_USARTx_Send(USART2, gGUA_USART2_tx_buf, 14);                   

  //接收完畢  
  while(!GPIO_ReadInputDataBit(BLE_UART_INT, BLE_UART_INT_PIN));//等待INT被拉高  
  gBLE_Uart_IntPulse = BLE_UART_INTPULSE_IDLE;                  //清空脈衝計數
  
  while(function != FUNC_AT_OK);                               	//等待串列埠資料接收完畢                                        
  function = FUNC_IDLE_EVENT;                                   //置位 
}