Statistics
| Branch: | Tag: | Revision:

amiro-lld / drivers / LTC4412 / v1 / alld_LTC4412.c @ 72369edc

History | View | Annotate | Download (4.104 KB)

1
/*
2
AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.
3
Copyright (C) 2016..2019  Thomas Schöpping et al.
4

5
This program is free software: you can redistribute it and/or modify
6
it under the terms of the GNU Lesser General Public License as published by
7
the Free Software Foundation, either version 3 of the License, or
8
(at your option) any later version.
9

10
This program is distributed in the hope that it will be useful,
11
but WITHOUT ANY WARRANTY; without even the implied warranty of
12
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13
GNU Lesser General Public License for more details.
14

15
You should have received a copy of the GNU Lesser General Public License
16
along with this program.  If not, see <http://www.gnu.org/licenses/>.
17
*/
18

    
19
/**
20
 * @file    alld_LTC4412.c
21
 * @brief   PowerPath Controller function implementations
22
 *
23
 * @addtogroup lld_powerpath
24
 * @{
25
 */
26

    
27
#include <alld_LTC4412.h>
28

    
29
/******************************************************************************/
30
/* LOCAL DEFINITIONS                                                          */
31
/******************************************************************************/
32

    
33
/******************************************************************************/
34
/* EXPORTED VARIABLES                                                         */
35
/******************************************************************************/
36

    
37
/******************************************************************************/
38
/* LOCAL TYPES                                                                */
39
/******************************************************************************/
40

    
41
/******************************************************************************/
42
/* LOCAL VARIABLES                                                            */
43
/******************************************************************************/
44

    
45
/******************************************************************************/
46
/* LOCAL FUNCTIONS                                                            */
47
/******************************************************************************/
48

    
49
/******************************************************************************/
50
/* EXPORTED FUNCTIONS                                                         */
51
/******************************************************************************/
52

    
53
/**
54
 * @brief Read the value of the PATH_DCEN Gpio pin.
55
 * @param[in]   tpsd        ltc4412 drivers
56
 * @param[out]  pinstate    current value of the gpio pin
57
 * @return                  An indicator whether the call was successfull
58
 */
59
apalExitStatus_t ltc4412_lld_get_ctrl(const LTC4412Driver* const ltc4412, ltc4412_lld_ctrl_t* const ctrl)
60
{
61
  apalDbgAssert(ltc4412 != NULL);
62
  apalDbgAssert(ctrl != NULL);
63

    
64
  apalControlGpioState_t gpio_state;
65
  apalExitStatus_t status = apalControlGpioGet(ltc4412->gpio_ctrl, &gpio_state);
66
  *ctrl = gpio_state == APAL_GPIO_ON ? LTC4412_LLD_CTRL_ACTIVE : LTC4412_LLD_CTRL_INACTIVE;
67
  return status;
68
}
69

    
70
/**
71
 * @brief Set the value of the PATH_DCEN Gpio pin.
72
 * @param[in]   tpsd        ltc4412 drivers
73
 * @param[in]   ctrl        new value of the gpio pin
74
 * @return                  An indicator whether the call was successfull
75
 */
76
apalExitStatus_t ltc4412_lld_set_ctrl(const LTC4412Driver* const ltc4412, const ltc4412_lld_ctrl_t ctrl)
77
{
78
  apalDbgAssert(ltc4412 != NULL);
79

    
80
  return apalControlGpioSet(ltc4412->gpio_ctrl, ctrl == LTC4412_LLD_CTRL_ACTIVE ? APAL_GPIO_ON : APAL_GPIO_OFF);
81
}
82

    
83
/**
84
 * @brief Read the value of the PATH_DCSTAT Gpio pin.
85
 * @param[in]   tpsd        ltc4412 drivers
86
 * @param[out]  pinstate    current value of the gpio pin
87
 * @return                  An indicator whether the call was successfull
88
 */
89
apalExitStatus_t ltc4412_lld_get_stat(const LTC4412Driver* const ltc4412, ltc4412_lld_stat_t* const stat)
90
{
91
  apalDbgAssert(ltc4412 != NULL);
92
  apalDbgAssert(stat != NULL);
93

    
94
  apalControlGpioState_t gpio_state;
95
  apalExitStatus_t status = apalControlGpioGet(ltc4412->gpio_stat, &gpio_state);
96
  *stat = gpio_state == APAL_GPIO_ON ? LTC4412_LLD_STAT_ACTIVE : LTC4412_LLD_STAT_INACTIVE;
97
  return status;
98
}
99

    
100
/** @} */
101