1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/***************************************************************************//**
* @file
* @brief System Peripheral API
* @author Energy Micro AS
* @version 3.0.0
*******************************************************************************
* @section License
* <b>(C) Copyright 2012 Energy Micro AS, http://www.energymicro.com</b>
*******************************************************************************
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*
* DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Energy Micro AS has no
* obligation to support this Software. Energy Micro AS is providing the
* Software "AS IS", with no express or implied warranties of any kind,
* including, but not limited to, any implied warranties of merchantability
* or fitness for any particular purpose or warranties against infringement
* of any proprietary rights of a third party.
*
* Energy Micro AS will not be liable for any consequential, incidental, or
* special damages, or any other relief, or for any claim by any third party,
* arising from your use of this Software.
*
******************************************************************************/
#include "em_part.h"
#include "em_system.h"
#include "em_assert.h"
/***************************************************************************//**
* @addtogroup EM_Library
* @{
******************************************************************************/
/***************************************************************************//**
* @addtogroup SYSTEM
* @brief System Peripheral API
* @{
******************************************************************************/
/*******************************************************************************
************************** GLOBAL FUNCTIONS *******************************
******************************************************************************/
/***************************************************************************//**
* @brief
* Get chip major/minor revision.
*
* @param[out] rev
* Location to place chip revision info.
******************************************************************************/
void SYSTEM_ChipRevisionGet(SYSTEM_ChipRevision_TypeDef *rev)
{
uint8_t tmp;
EFM_ASSERT(rev);
rev->major = (ROMTABLE->PID0 & _ROMTABLE_PID0_REVMAJOR_MASK) >> _ROMTABLE_PID0_REVMAJOR_SHIFT;
tmp = (ROMTABLE->PID2 & _ROMTABLE_PID2_REVMINORMSB_MASK);
tmp |= ((ROMTABLE->PID3 & _ROMTABLE_PID3_REVMINORLSB_MASK) >> _ROMTABLE_PID3_REVMINORLSB_SHIFT);
rev->minor = tmp;
}
/***************************************************************************//**
* @brief
* Get factory calibration value for a given peripheral register.
*
* @param[in] regAddress
* Address of register to get a calibration value for.
*
* @return
* Calibration value for the requested register.
******************************************************************************/
uint32_t SYSTEM_GetCalibrationValue(volatile uint32_t *regAddress)
{
int regCount;
CALIBRATE_TypeDef *p;
regCount = 1;
p = CALIBRATE;
for (;; )
{
if ((regCount > CALIBRATE_MAX_REGISTERS) ||
(p->VALUE == 0xFFFFFFFF))
{
EFM_ASSERT(false);
return 0; /* End of device calibration table reached. */
}
if (p->ADDRESS == (uint32_t)regAddress)
{
return p->VALUE; /* Calibration value found ! */
}
p++;
regCount++;
}
}
/** @} (end addtogroup SYSTEM) */
/** @} (end addtogroup EM_Library) */
|
