From 0781da980b9359a5542bacba06b6a60b0508650c Mon Sep 17 00:00:00 2001 From: zhyinch <zhyinch@gmail.com> Date: 星期四, 02 四月 2020 22:08:23 +0800 Subject: [PATCH] 增加标签随机位置模式 --- 源码/核心板/Src/OnChipDevices/Usart.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.c" "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.c" index 66396fa..c36282b 100644 --- "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.c" +++ "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.c" @@ -190,10 +190,12 @@ m_bEUARTCheckingSend = 0; return; } - OUT485_ENABLE; + if(!m_bEUARTTxEn) { m_bEUARTTxEn = 1; + OUT485_ENABLE; + delay_us(10); // temp32 = GPIOC->CRH; //C10复用推挽输出 // temp32 &= ~(0x00000000F<<8); // temp32 |= (0x000000009<<8); -- Gitblit v1.9.3