23 lines
437 B
C
23 lines
437 B
C
#ifndef _DEV_RS485_H_
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#define _DEV_RS485_H_
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#include "hdl_usart.h"
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#define RS485_CTRL_PORT (GPIO_PORT_C)
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#define RS485_CTRL_PIN (GPIO_PIN_07)
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typedef void (*dev_rs485_cb_t)(uint8_t dat);
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extern int dev_rs485_init(void);
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extern void dev_rs485_send(uint8_t *buf, int len);
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extern int dev_rs485_read(uint8_t *buf, int len);
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extern int dev_rs485_rx_register(dev_rs485_cb_t fnCallback);
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extern int dev_rs485_deinit(void);
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#endif
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