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53 lines
1.6 KiB
53 lines
1.6 KiB
////////////////////////////////////////////////////////////////////////////
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///@copyright Copyright (c) 2018, 传控科技 All rights reserved.
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///-------------------------------------------------------------------------
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/// @file bsp_func.c
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/// @brief bsp @ fuctiong ; io复用选择等，和cpu型号息息相关
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///-------------------------------------------------------------------------
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/// @version 1.0
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/// @author CC
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/// @date 20180308
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/// @note cc_AS_stc02
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//////////////////////////////////////////////////////////////////////////////
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#include "bsp_func.h"
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#include "../msp/uart0.h"
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//#include "../tpc/tpc_modbus.h"
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///struct _s_sysclk s_sysclk;
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////MCLK0 配置 不需要的时候关闭以节约电
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void L0_MCLKO_init(U8 onf)
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{
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BITN_1(P_SW2,EAXFR);
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CKSEL &= B0000_0011;
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if (D_ON == onf)
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{
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///-----------------------------------------------------
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// p107@stc8.pdf
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///step 1 :设置system out clock
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//BITS_CLR(CKSEL,BITC_4,BIT4); /// 对REG的 从BITx开始 清除 N位
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///多位配置，一定要配对使用，先清除再设置。
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BITS_SET(CKSEL,D_CLKODIV_DIV8);/// sytem out clock 300k
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///step 2 :设置IO
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BITN_0(CKSEL,MCLKO_S);/// P5.4 SELECTED
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BITN_0(P5M1,BITN4);BITN_1(P5M0,BITN4);/// 01 推挽
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}
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else
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{
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BITS_CLR(CKSEL,BITC_4,BIT4);
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BITN_1(P5M1,BITN4);BITN_0(P5M0,BITN4);/// 00 准双向口01 推挽输出10 高阻11 开漏
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//// 32k 下L1_task_Tdelay(D_Tdelay_ms); 变成了大约8s
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///fixme
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/// BITN_1(P5M1,BITN4);BITN_0(P5M0,BITN4);/// 00 准双向口01 推挽输出10 高阻11 开漏
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///? 使用10 功耗增加11.130 使用01 功耗为10.65
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//P54 = 1; 推挽 居然比高阻省电 另外推挽下面 =1比=0省电 10uA
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}
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BITN_0(P_SW2,EAXFR);
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}
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