/*
* serial.h
*
* Created on: 4 Jan 2016
* Author: Mike
*/
#ifndef INC_SERIAL_H_
#define INC_SERIAL_H_
#include "main.h"
typedef struct {
UART_HandleTypeDef * Handle;
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;
#if defined SERIAL_UART1
extern usart_ctl uc1;
#endif
#if defined SERIAL_UART2
extern usart_ctl uc2;
#endif
#if defined SERIAL_UART3
extern usart_ctl uc3;
#endif
#if defined SERIAL_UART4
extern usart_ctl uc4;
#endif
#if defined SERIAL_UART5
extern usart_ctl uc5;
#endif
///@brief returns the number of characters in the recieve buffer
extern uint16_t SerialCharsReceived(usart_ctl * instance);
///@brief Get the amount of free space in the transmit buffer.
extern uint16_t SerialTransmitSpace(usart_ctl * instance);
extern uint8_t PollSerial(usart_ctl * instance);
extern uint8_t GetCharSerial(usart_ctl * instance);
extern 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);
///@brief wait until the USART buffer is empty and all characters are sent
extern void TxWaitEmpty(usart_ctl *instance);
extern void init_usart_ctl(usart_ctl * instance,
UART_HandleTypeDef * usart);
extern void setBaud(usart_ctl * instance, uint32_t baud);
extern void sendString(usart_ctl *ctl, char const *string, int length);
#endif /* INC_SERIAL_H_ */