| 1 | /*
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| 2 | * Copyright (c) 2012 Maurizio Lombardi
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libc
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #include <ipc/dev_iface.h>
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| 36 | #include <device/battery_dev.h>
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| 37 | #include <errno.h>
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| 38 | #include <async.h>
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| 39 | #include <time.h>
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| 40 |
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| 41 | /** Read the current battery status from the device
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| 42 | *
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| 43 | * @param sess Session of the device
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| 44 | * @param status Current status of the battery
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| 45 | *
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| 46 | * @return EOK on success or a negative error code
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| 47 | */
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| 48 | int
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| 49 | battery_status_get(async_sess_t *sess, battery_status_t *batt_status)
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| 50 | {
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| 51 | sysarg_t status;
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| 52 |
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| 53 | async_exch_t *exch = async_exchange_begin(sess);
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| 54 |
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| 55 | int const rc = async_req_1_1(exch, DEV_IFACE_ID(BATTERY_DEV_IFACE),
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| 56 | BATTERY_STATUS_GET, &status);
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| 57 |
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| 58 | async_exchange_end(exch);
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| 59 |
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| 60 | if (rc == EOK)
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| 61 | *batt_status = (battery_status_t) status;
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| 62 |
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| 63 | return rc;
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| 64 | }
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| 65 |
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| 66 | /** Read the current battery charge level from the device
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| 67 | *
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| 68 | * @param sess Session of the device
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| 69 | * @param level Battery charge level (0 - 100)
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| 70 | *
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| 71 | * @return EOK on success or a negative error code
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| 72 | */
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| 73 | int
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| 74 | battery_charge_level_get(async_sess_t *sess, int *level)
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| 75 | {
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| 76 | sysarg_t charge_level;
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| 77 |
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| 78 | async_exch_t *exch = async_exchange_begin(sess);
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| 79 |
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| 80 | int const rc = async_req_1_1(exch, DEV_IFACE_ID(BATTERY_DEV_IFACE),
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| 81 | BATTERY_CHARGE_LEVEL_GET, &charge_level);
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| 82 |
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| 83 | async_exchange_end(exch);
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| 84 |
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| 85 | if (rc == EOK)
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| 86 | *level = (int) charge_level;
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| 87 |
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| 88 | return rc;
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| 89 | }
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| 90 |
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| 91 | /** @}
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| 92 | */
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| 93 |
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