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/*
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 * serial.h
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 *
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 *  Created on: 4 Jan 2016
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 *      Author: Mike
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 */
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f1xx_hal.h"
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#pragma once
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#include <stdint.h>
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#if defined __cplusplus
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extern "C"
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{
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#endif
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struct usart_ctl
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{
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        /// @brief UART handle
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        UART_HandleTypeDef *Handle;
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        /// @brief Locally maintained transmit buffer
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        volatile uint8_t * tx_usart_buff;
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        uint16_t  tx_usart_buff_size;
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        uint16_t rx_usart_buff_size;
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        volatile uint16_t tx_usart_in_Ptr;
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        volatile uint16_t tx_usart_out_Ptr;
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        volatile uint16_t tx_usart_overruns;
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        /// @brief Set when the usart is transmitting
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        volatile uint8_t tx_usart_running;
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        /// @brief Locally maintained receive buffer
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        volatile uint8_t * rx_usart_buff;
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        volatile uint16_t rx_usart_in_Ptr;
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        volatile uint16_t rx_usart_out_Ptr;
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        /// @brief Set when the receiver buffer is full
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        volatile uint8_t rx_usart_buffer_full;
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} ;
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#if defined SERIAL_UART1
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extern struct usart_ctl uc1;
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#endif
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#if defined SERIAL_UART2
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extern struct usart_ctl uc2;
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#endif
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#if defined SERIAL_UART3
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extern struct usart_ctl uc3;
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#endif
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#if defined SERIAL_UART4
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extern struct usart_ctl uc4;
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#endif
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#if defined SERIAL_UART5
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extern struct usart_ctl uc5;
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#endif
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/// @brief Establish this instance as being in control of a USART
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/// @param instance  Pointer to usart_ctl structure
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/// @param usart Handle to usart maintained by HAL
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/// @param tx_buffer Statically allocated memory for Tx buffer
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/// @param rx_buffer Statically allocated memory for Rx buffer
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/// @param rx_buffer_size Rx Buffer size
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/// @param tx_buffer_size Tx Buffer size
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extern void init_usart_ctl(struct usart_ctl *instance,
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                                                   UART_HandleTypeDef *usart,
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                                                   volatile uint8_t * tx_buffer,
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                                                   volatile uint8_t * rx_buffer,
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                                                   uint16_t tx_buffer_size,
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                                                   uint16_t rx_buffer_size);
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#if defined __cplusplus
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}
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#endif
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#include "serialCalls.h"
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