/******************************************************************************
 * File:        MCU_UART_cfg.h
 * Component:   MCU_UART
 * Description: Configuration for the MCU_UART driver. Defines instances,
 *              pin assignments, baud rates, data format, TX/RX async modes,
 *              and RX buffer sizing.
 *
 * Layer:       MCU (hardware abstraction) - configuration
 *****************************************************************************/

#ifndef MCU_UART_CFG_H
#define MCU_UART_CFG_H

#include "STD_TYPES.h"

/* ------------------------------------------------------------------------ */
/*                        INSTANCE ENUMERATION                              */
/* ------------------------------------------------------------------------ */

typedef enum
{
    MCU_UART_INSTANCE_0 = 0U,
    MCU_UART_NUM_INSTANCES
} MCU_UART_tenuInstance;

/* ------------------------------------------------------------------------ */
/*                    RX RING BUFFER SIZING                                  */
/* ------------------------------------------------------------------------ */

/** @brief Number of address bits for the RX ring buffer (2^N bytes).
 *         Must be power of 2 for DMA ring wrap.
 *         5 = 32, 6 = 64, 7 = 128, 8 = 256. */
#define MCU_UART_RX_BUFFER_SIZE_BITS    6U
#define MCU_UART_RX_BUFFER_SIZE         (1U << MCU_UART_RX_BUFFER_SIZE_BITS)
#define MCU_UART_RX_BUFFER_MASK         (MCU_UART_RX_BUFFER_SIZE - 1U)

/* ------------------------------------------------------------------------ */
/*                    INSTANCE 0 CONFIGURATION                              */
/* ------------------------------------------------------------------------ */

#define MCU_UART_0_TX_PIN                   0U
#define MCU_UART_0_RX_PIN                   1U
#define MCU_UART_0_BAUD_RATE                115200U
#define MCU_UART_0_DATA_BITS                MCU_UART_DATA_BITS_8
#define MCU_UART_0_STOP_BITS                MCU_UART_STOP_BITS_1
#define MCU_UART_0_PARITY                   MCU_UART_PARITY_NONE
#define MCU_UART_0_TX_ASYNC_MODE            MCU_UART_ASYNC_DMA
#define MCU_UART_0_TX_COMPLETE_CALLBACK     STD_NULL
#define MCU_UART_0_RX_ASYNC_MODE            MCU_UART_ASYNC_ISR

#endif /* MCU_UART_CFG_H */