/****************************************************************************

Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.

This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
be copied by any method or incorporated into another program without
the express written consent of Aerospace C.Power. This Information or any portion
thereof remains the property of Aerospace C.Power. The Information contained herein
is believed to be accurate and Aerospace C.Power assumes no responsibility or
liability for its use in any way and conveys no license or title under
any patent or copyright and makes no representation or warranty that this
Information is free from patent or copyright infringement.

****************************************************************************/
#ifndef IOT_UART_H
#define IOT_UART_H

#ifdef __cplusplus
extern "C" {
#endif

int uart_open(const char* dev, int flags, void* priv);
int uart_enable_rs485(int fd, int dir_gpio);
int uart_disable_rs485(int fd);
int uart_select(int fd, int max_len, uint32_t millisec);
int uart_read(int fd, void* buf, size_t count);
int uart_write(int fd, const void* buf, size_t count);
int uart_config(int fd, int baud, int data, int stop, int parity);
int uart_undo_all_interrupts(int fd);
int uart_close(int fd);
int uart_threshold_set(int fd, int type, int thr);
int uart_flow_ctrl_set(int fd, int type, int thr);
int uart_brk_set(int fd, int value);
int system_uart_init();
void uart_ext_handler_uart_task(void);
void uart_set_ir_loopback(uint8_t port, bool_t en);

#ifdef __cplusplus
}
#endif

#endif //IOT_UART_H