43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/****************************************************************************
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Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
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This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
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be copied by any method or incorporated into another program without
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the express written consent of Aerospace C.Power. This Information or any portion
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thereof remains the property of Aerospace C.Power. The Information contained herein
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is believed to be accurate and Aerospace C.Power assumes no responsibility or
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liability for its use in any way and conveys no license or title under
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any patent or copyright and makes no representation or warranty that this
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Information is free from patent or copyright infringement.
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****************************************************************************/
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#ifndef IOT_UART_H
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#define IOT_UART_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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int uart_open(const char* dev, int flags, void* priv);
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int uart_enable_rs485(int fd, int dir_gpio);
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int uart_disable_rs485(int fd);
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int uart_select(int fd, int max_len, uint32_t millisec);
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int uart_read(int fd, void* buf, size_t count);
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int uart_write(int fd, const void* buf, size_t count);
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int uart_config(int fd, int baud, int data, int stop, int parity);
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int uart_undo_all_interrupts(int fd);
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int uart_close(int fd);
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int uart_threshold_set(int fd, int type, int thr);
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int uart_flow_ctrl_set(int fd, int type, int thr);
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int uart_brk_set(int fd, int value);
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int system_uart_init();
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void uart_ext_handler_uart_task(void);
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void uart_set_ir_loopback(uint8_t port, bool_t en);
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#ifdef __cplusplus
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}
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#endif
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#endif //IOT_UART_H
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