/*
 * usart.h
 *
 *  Created on: Apr 17, 2012
 *      Author: Giovanni Lacava
 */

#ifndef USART_H_
#define USART_H_

#ifdef __cplusplus
 extern "C" {
#endif

#include "stm32f4xx.h"
#include "stm32f4_discovery.h"
#include "stm32f4_discovery_lis302dl.h"
#include "stm32f4_discovery_audio_codec.h"

 /* Struttura con all'interno i campi utili ad inizializzare le uart e il dma annesso*/

 struct port{


  	USART_TypeDef* USARTx;//#define USARTx
  	USART_ClockInitTypeDef* USART_ClockInitStruct;

  	uint32_t USARTx_CLK_2;//#define USARTx_CLK
  	uint32_t USARTx_CLK;

      IRQn_Type USARTx_IRQn;// #define USARTx_IRQn

      uint16_t USARTx_TX_PIN;//  #define USARTx_TX_PIN
      GPIO_TypeDef* USARTx_TX_GPIO_PORT;//    #define USARTx_TX_GPIO_PORT
      uint32_t USARTx_TX_GPIO_CLK;//  #define USARTx_TX_GPIO_CLK
      uint16_t USARTx_TX_SOURCE;//  #define USARTx_TX_SOURCE
      uint8_t USARTx_TX_AF ;//  #define USARTx_TX_AF

      uint16_t USARTx_RX_PIN; //#define USARTx_RX_PIN
      GPIO_TypeDef* USARTx_RX_GPIO_PORT;//   #define USARTx_RX_GPIO_PORT
      uint32_t USARTx_RX_GPIO_CLK;//#define USARTx_RX_GPIO_CLK
      uint16_t USARTx_RX_SOURCE;//  #define USARTx_RX_SOURCE
      uint8_t USARTx_RX_AF;//#define USARTx_RX_AF

  	      /* Definition for DMAx (USART 1) resources **********************************************/
      uint32_t USARTx_DR_ADDRESS;//#define USARTx_DR_ADDRESS

      DMA_TypeDef* USARTx_DMA;//    #define USARTx_DMA
      uint32_t  USARTx_DMAx_CLK ;//#define USARTx_DMAx_CLK

      uint32_t USARTx_TX_DMA_CHANNEL;// #define USARTx_TX_DMA_CHANNEL
      DMA_Stream_TypeDef* USARTx_TX_DMA_STREAM;// #define USARTx_TX_DMA_STREAM
      uint32_t USARTx_TX_DMA_FLAG_FEIF;//   #define USARTx_TX_DMA_FLAG_FEIF
      uint32_t USARTx_TX_DMA_FLAG_DMEIF;// #define USARTx_TX_DMA_FLAG_DMEIF
      uint32_t USARTx_TX_DMA_FLAG_TEIF;//  #define USARTx_TX_DMA_FLAG_TEIF
      uint32_t USARTx_TX_DMA_FLAG_HTIF;//   #define USARTx_TX_DMA_FLAG_HTIF
      uint32_t USARTx_TX_DMA_FLAG_TCIF;//    #define USARTx_TX_DMA_FLAG_TCIF

      uint32_t USARTx_RX_DMA_CHANNEL;//  #define USARTx_RX_DMA_CHANNEL
      DMA_Stream_TypeDef* USARTx_RX_DMA_STREAM;//     #define USARTx_RX_DMA_STREAM
      uint32_t USARTx_RX_DMA_FLAG_FEIF;// #define USARTx_RX_DMA_FLAG_FEIF
      uint32_t USARTx_RX_DMA_FLAG_DMEIF;//#define USARTx_RX_DMA_FLAG_DMEIF
      uint32_t USARTx_RX_DMA_FLAG_TEIF;// #define USARTx_RX_DMA_FLAG_TEIF
      uint32_t USARTx_RX_DMA_FLAG_HTIF;//  #define USARTx_RX_DMA_FLAG_HTIF
      uint32_t USARTx_RX_DMA_FLAG_TCIF;// #define USARTx_RX_DMA_FLAG_TCIF

      IRQn_Type USARTx_DMA_TX_IRQn  ;//  #define USARTx_DMA_TX_IRQn
      IRQn_Type   USARTx_DMA_RX_IRQn;// #define USARTx_DMA_RX_IRQn


      int Flag_status_active; // Flag status port 0:DISABLE 1:ENABLE
  };

 #define USER_TIMEOUT                    ((uint32_t)0x64) /* Waiting 1s */

 // Funzioni di inizializazzione Uart e Dma
 void init_port();
 void USART_CONFIG(int USART_ID);// Configura la UART indicata in USART_ID
 void de_init_port(int n_port);//Disabilita la UART selezionata con n_port (rivedere perchè dopo il suo utilizzo blocca il programma cioè non riesce più ad attivarla)
 // Send e Receive con utilizzo del Dma
 void send(int USART_ID,uint8_t* tx,int size);
 void receive(int USART_ID);


 void RBT_pack(uint8_t packetType,uint8_t opCode,uint16_t dataLenght,uint8_t* packetData,uint8_t* packet);
 void RBT_reset(int uart);
 void RBT_inquiry(int uart);
 void RBT_unpack(uint8_t packetType,uint8_t opCode,uint8_t* packet);




#ifdef __cplusplus
}
#endif

#endif /* USART_H_ */