1 /******************************************************************************
2 *Copyright(C)2017, Huada Semiconductor Co.,Ltd All rights reserved.
3 *
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5 * Huada Semiconductor Co.,Ltd("HDSC").
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8 * BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
9 *
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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14 * supported herein. HDSC is providing this software "AS IS" and will
15 * not be responsible for issues arising from incorrect user implementation
16 * of the software.
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41 */
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 "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 #define IS_VALID_SEVONPEND(x) (SevPndDisable == (x) ||\
70 SevPndEnable == (x))
71 #define IS_VALID_SLEEPDEEP(x) (SlpDpDisable == (x) ||\
72 SlpDpEnable == (x))
73 #define IS_VALID_SLEEPONEXIT(x) (SlpExtDisable == (x) ||\
74 SlpExtEnable == (x))
75
76 /*******************************************************************************
77 * Local type definitions ('typedef')
78 ******************************************************************************/
79
80 /*******************************************************************************
81 * Local variable definitions ('static')
82 ******************************************************************************/
83
84 /*******************************************************************************
85 * Local function prototypes ('static')
86 ******************************************************************************/
87
88 /*******************************************************************************
89 * Function implementation - global ('extern') and local ('static')
90 ******************************************************************************/
91 /**
92 *****************************************************************************
93 ** \brief 低功耗模式配置
94 **
95 **
96 ** \param [in] pstcConfig 低功耗模式配置结构体指针
97 **
98 ** \retval Ok or Error
99 *****************************************************************************/
Lpm_Config(stc_lpm_config_t * pstcConfig)100 en_result_t Lpm_Config(stc_lpm_config_t* pstcConfig)
101 {
102 en_result_t enResult = Error;
103
104 ASSERT(IS_VALID_SEVONPEND(pstcConfig->enSEVONPEND));
105 ASSERT(IS_VALID_SLEEPDEEP(pstcConfig->enSLEEPDEEP));
106 ASSERT(IS_VALID_SLEEPONEXIT(pstcConfig->enSLEEPONEXIT));
107
108 SCB->SCR = pstcConfig->enSEVONPEND ? (SCB->SCR | SCB_SCR_SEVONPEND_Msk) : (SCB->SCR & ~SCB_SCR_SEVONPEND_Msk);
109 SCB->SCR = pstcConfig->enSLEEPDEEP ? (SCB->SCR | SCB_SCR_SLEEPDEEP_Msk) : (SCB->SCR & ~SCB_SCR_SLEEPDEEP_Msk);
110 SCB->SCR = pstcConfig->enSLEEPONEXIT ? (SCB->SCR | SCB_SCR_SLEEPONEXIT_Msk) : (SCB->SCR & ~SCB_SCR_SLEEPONEXIT_Msk);
111
112 enResult = Ok;
113
114 return enResult;
115 }
116
117 /**
118 *****************************************************************************
119 ** \brief 进入睡眠模式
120 **
121 **
122 **
123 ** \retval NULL
124 *****************************************************************************/
Lpm_GotoLpmMode(void)125 void Lpm_GotoLpmMode(void)
126 {
127 __WFI();
128 }
129
130 //@} // LpmGroup
131
132 /*******************************************************************************
133 * EOF (not truncated)
134 ******************************************************************************/
135