39 lines
487 B
C
39 lines
487 B
C
/*
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* J2_UART7.c
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*
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* Created on: 2024年5月18日
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* Author: 34509
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*/
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#include "J2_UART7.h"
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void J2_485_Init(uint32_t baud)
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{
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rt_pin_mode(J2_DE, PIN_MODE_OUTPUT);
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/* 设置485状态为读 */
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rt_pin_write(J2_DE, read);
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rt_pin_mode(J2_PWR_Ctrl, PIN_MODE_OUTPUT);
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J2_PWR_Open();
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}
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/* 打开J2 485的电源 */
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void J2_PWR_Open(void)
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{
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rt_pin_write(J2_PWR_Ctrl, open);
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}
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/* 关闭J2 485的电源 */
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void J2_PWR_Close(void)
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{
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rt_pin_write(J2_PWR_Ctrl, close);
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}
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