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54 lines
1.6 KiB
54 lines
1.6 KiB
1 year ago
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////////////////////////////////////////////////////////////////////////////
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///@copyright Copyright (c) 2018, ���ؿƼ� All rights reserved.
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///-------------------------------------------------------------------------
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/// @file bsp_func.c
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/// @brief bsp @ fuctiong ; io����ѡ���ȣ���cpu�ͺ�ϢϢ����
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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 ���� ����Ҫ��ʱ���ر��Խ�Լ��
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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 :����system out clock
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//BITS_CLR(CKSEL,BITC_4,BIT4); /// ��REG�� ��BITx��ʼ ���� Nλ
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///��λ���ã�һ��Ҫ����ʹ�ã������������á�
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BITS_SET(CKSEL,D_CLKODIV_DIV8);/// sytem out clock 300k
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///step 2 :����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 ����
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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 ˫����01 ��������10 ����11 ��©
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//// 32k ��L1_task_Tdelay(D_Tdelay_ms); �����˴�Լ8s
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///fixme
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/// BITN_1(P5M1,BITN4);BITN_0(P5M0,BITN4);/// 00 ˫����01 ��������10 ����11 ��©
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///? ʹ��10 ��������11.130 ʹ��01 ����Ϊ10.65
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//P54 = 1; ���� ��Ȼ�ȸ���ʡ�� ������������ =1��=0ʡ�� 10uA
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}
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BITN_0(P_SW2,EAXFR);
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}
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