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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2006-03-13 Bernard first version
* 2011-05-15 lgnq modified according bernard's implementaion.
*/
#ifndef __RT_HW_SERIAL_H__
#define __RT_HW_SERIAL_H__
#include <rthw.h>
#include <rtthread.h>
#include "board.h"
#define SMR_SOE 0x01U
#define SMR_BDS 0x04U
#define SMR_SBL 0x08U
#define SMR_WUCR 0x10U
#define SMR_MD_UART 0x00U
#define SMR_MD_UART_MP 0x20U
#define SMR_MD_SIO 0x40U
#define SMR_MD_LIN 0x60U
#define SMR_MD_I2C 0x80U
#define SCR_TXE 0x01U
#define SCR_RXE 0x02U
#define SCR_TBIE 0x04U
#define SCR_TIE 0x08U
#define SCR_RIE 0x10U
#define SCR_UPGL 0x80U
#define SSR_TBI 0x01U
#define SSR_TDRE 0x02U
#define SSR_RDRF 0x04U
#define SSR_ORE 0x08U
#define SSR_FRE 0x10U
#define SSR_PE 0x20U
#define SSR_REC 0x80U
#define ESCR_P 0x08U
#define ESCR_PEN 0x10U
#define ESCR_INV 0x20U
#define ESCR_ESBL 0x40U
#define ESCR_FLWEN 0x80U
#define ESCR_DATABITS_8 0x00U
#define ESCR_DATABITS_5 0x01U
#define ESCR_DATABITS_6 0x02U
#define ESCR_DATABITS_7 0x03U
#define ESCR_DATABITS_9 0x04U
#define BPS 115200 /* serial baudrate */
#define UART_RX_BUFFER_SIZE 64
#define UART_TX_BUFFER_SIZE 64
struct serial_int_rx
{
rt_uint8_t rx_buffer[UART_RX_BUFFER_SIZE];
rt_uint32_t read_index, save_index;
};
struct serial_int_tx
{
rt_uint8_t tx_buffer[UART_TX_BUFFER_SIZE];
rt_uint32_t write_index, save_index;
};
/*
* Enable/DISABLE Interrupt Controller
*/
/* deviation from MISRA-C:2004 Rule 19.7 */
#define UART_ENABLE_IRQ(n) NVIC_EnableIRQ((n))
#define UART_DISABLE_IRQ(n) NVIC_DisableIRQ((n))
struct serial_device
{
FM3_MFS03_UART_TypeDef* uart_device;
/* irq number */
IRQn_Type rx_irq, tx_irq;
/* rx structure */
struct serial_int_rx* int_rx;
/* tx structure */
struct serial_int_tx* int_tx;
};
void rt_hw_fujitsu_serial_isr(rt_device_t device);
void rt_hw_serial_init(void);
#endif
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