/*
 * serial.h
 *
 *  Created on: 4 Jan 2016
 *      Author: Mike
 */

#ifndef INC_SERIAL_H_
#define INC_SERIAL_H_



#include "stm32f1xx_hal.h"




#define TX_USART_BUFF_SIZ 1024
#define RX_USART_BUFF_SIZ 1024

typedef struct {
	USART_TypeDef *Instance;

	volatile uint8_t tx_usart_buff[TX_USART_BUFF_SIZ];
	volatile unsigned int tx_usart_in_Ptr;
	volatile unsigned int tx_usart_out_Ptr;
	volatile uint8_t tx_usart_running;
	volatile uint16_t tx_usart_count;

	volatile uint8_t rx_usart_buff[RX_USART_BUFF_SIZ];
	volatile unsigned int rx_usart_in_Ptr;
	volatile unsigned int rx_usart_out_Ptr;
	volatile uint8_t rx_usart_buffer_full;
} usart_ctl;


extern usart_ctl uc1;
extern usart_ctl uc2;
extern usart_ctl uc3;





/* returns the number of characters received by the Rx USART */
extern uint16_t SerialCharsReceived(usart_ctl * instance);

extern inline uint8_t PollSerial(usart_ctl * instance);
extern uint8_t GetCharSerial(usart_ctl * instance);
extern inline void EnableSerialRxInterrupt(usart_ctl * instance);

extern void UART_IRQHandler(usart_ctl * instance);

extern void PutCharSerial(usart_ctl * instance,uint8_t c);
extern void ResetTxBuffer(usart_ctl * instance);
extern void ResetRxBuffer(usart_ctl * instance);
extern void FlushSerial(usart_ctl * instance);
extern uint8_t  TxBufferEmpty(usart_ctl * instance);
extern void init_usart_ctl(usart_ctl * instance, USART_TypeDef * hardware);



#endif /* INC_SERIAL_H_ */