1 /******************************************************************************
2 *Copyright(C)2017, Huada Semiconductor Co.,Ltd All rights reserved.
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10 * This software contains source code for use with HDSC
11 * components. This software is licensed by HDSC to be adapted only
12 * for use in systems utilizing HDSC components. HDSC shall not be
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42
43 /** \file lpm.c
44 **
45 ** Common API of lpm.
46 ** @link LpmGroup Some description @endlink
47 **
48 ** - 2017-06-06
49 **
50 ******************************************************************************/
51
52 /*******************************************************************************
53 * Include files
54 ******************************************************************************/
55 #include "hc32l196_lpm.h"
56 /**
57 *******************************************************************************
58 ** \addtogroup LpmGroup
59 ******************************************************************************/
60 //@{
61
62 /*******************************************************************************
63 * Local pre-processor symbols/macros ('#define')
64 ******************************************************************************/
65
66 /*******************************************************************************
67 * Global variable definitions (declared in header file with 'extern')
68 ******************************************************************************/
69
70 /*******************************************************************************
71 * Local type definitions ('typedef')
72 ******************************************************************************/
73
74 /*******************************************************************************
75 * Local variable definitions ('static')
76 ******************************************************************************/
77
78 /*******************************************************************************
79 * Local function prototypes ('static')
80 ******************************************************************************/
81
82 /*******************************************************************************
83 * Function implementation - global ('extern') and local ('static')
84 ******************************************************************************/
85
86 /**
87 *****************************************************************************
88 ** \brief 进入深度睡眠模式
89 **
90 ** \input bOnExit - TRUE:当退出异常处理后，自动再次进入休眠；
91 ** FALSE：唤醒后不再自动进入休眠
92 **
93 ** \retval NULL
94 *****************************************************************************/
Lpm_GotoDeepSleep(boolean_t bOnExit)95 void Lpm_GotoDeepSleep(boolean_t bOnExit)
96 {
97 SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
98 SCB->SCR |= 1u<<bOnExit;
99 __WFI();
100 }
101
102 /**
103 *****************************************************************************
104 ** \brief 进入普通睡眠模式
105 **
106 ** \input bOnExit - TRUE:当退出异常处理后，自动再次进入休眠；
107 ** FALSE：唤醒后不再自动进入休眠
108 **
109 ** \retval NULL
110 *****************************************************************************/
Lpm_GotoSleep(boolean_t bOnExit)111 void Lpm_GotoSleep(boolean_t bOnExit)
112 {
113 SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
114 SCB->SCR |= 1u<<bOnExit;
115 __WFI();
116 }
117
118 //@} // LpmGroup
119
120 /*******************************************************************************
121 * EOF (not truncated)
122 ******************************************************************************/
123