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/*
* Copyright (c) 2012
* Lars-Dominik Braun <lars@6xq.net>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <assert.h>
#include "battery.h"
#include "usb.h"
#include "device.h"
typedef enum {
HIDPP_BATTERY_STATUS_DISCHARGING = 0,
HIDPP_BATTERY_STATUS_RECHARGING = 1,
HIDPP_BATTERY_STATUS_CHARGE_FINAL = 2,
HIDPP_BATTERY_STATUS_CHARGE_COMPLETE = 3,
HIDPP_BATTERY_STATUS_RECHARGING_SLOW = 4,
HIDPP_BATTERY_STATUS_INVALID_BATTERY = 5,
HIDPP_BATTERY_STATUS_THERMAL_ERROR = 6,
HIDPP_BATTERY_STATUS_CHARGE_ERROR = 7,
} hidppBatteryStatus_t;
typedef enum {
HIDPP_BATTERY_FLAGS_DISABLED = (1 << 0),
HIDPP_BATTERY_FLAGS_MILEAGE = (1 << 1),
HIDPP_BATTERY_FLAGS_RECHARGEABLE = (1 << 2),
} hidppBatteryFlags_t;
typedef struct {
uint8_t level, nextLevel, criticalLevel; /* in percent */
hidppBatteryStatus_t status;
uint8_t levelsCount;
hidppBatteryFlags_t flags;
uint16_t life;
} hidppBattery_t;
const char *hidppBatteryStatusToStr (const hidppBatteryStatus_t s) {
switch (s) {
case HIDPP_BATTERY_STATUS_DISCHARGING:
return "discharging";
break;
case HIDPP_BATTERY_STATUS_RECHARGING:
return "recharging";
break;
case HIDPP_BATTERY_STATUS_CHARGE_FINAL:
return "charge in final state";
break;
case HIDPP_BATTERY_STATUS_CHARGE_COMPLETE:
return "charge complete";
break;
case HIDPP_BATTERY_STATUS_RECHARGING_SLOW:
return "recharging below optimal speed";
break;
case HIDPP_BATTERY_STATUS_INVALID_BATTERY:
return "invalid battery";
break;
case HIDPP_BATTERY_STATUS_THERMAL_ERROR:
return "thermal error";
break;
case HIDPP_BATTERY_STATUS_CHARGE_ERROR:
return "charge error";
break;
default:
return "unkown";
break;
}
}
void hidppBatteryPrint (const void * const data) {
const hidppBattery_t * const b = data;
assert (b != NULL);
printf (" Battery:\n"
" Status: %s (%u)\n"
" Level: %u%%\n"
" Next level: %u%%\n"
" Critical level: %u%%\n"
" Number of levels: %u\n"
" Flags:%s%s%s (0x%x)\n"
" Life: %u\n",
hidppBatteryStatusToStr (b->status), b->status,
b->level, b->nextLevel, b->criticalLevel, b->levelsCount,
(b->flags & HIDPP_BATTERY_FLAGS_DISABLED) ? " disabled" : "",
(b->flags & HIDPP_BATTERY_FLAGS_MILEAGE) ? " mileage" : "",
(b->flags & HIDPP_BATTERY_FLAGS_RECHARGEABLE) ? " rechargeable" : "",
b->flags,
b->life);
}
void hidppBatteryGet (hidppDevice_t * const d, void ** const data) {
hidppBattery_t *b;
hidppPacket_t rp;
assert (d != NULL);
b = calloc (1, sizeof (*b));
hidppUsbRequest (d, HIDPP_FEATURE_BATTERY_STATUS, 0x0, NULL, 0, &rp);
b->level = rp.args[0];
b->nextLevel = rp.args[1];
hidppUsbRequest (d, HIDPP_FEATURE_BATTERY_STATUS, 0x1, NULL, 0, &rp);
b->levelsCount = rp.args[0];
b->flags = rp.args[1];
b->life = (rp.args[2] << 8) | rp.args[3];
b->criticalLevel = rp.args[4];
*data = b;
}
bool hidppBatteryAvailable (const hidppDevice_t * const d) {
uint8_t ret;
return hidppFeatureIdToIdx (d, HIDPP_FEATURE_BATTERY_STATUS, &ret);
}
hidppModule_t moduleBattery = {hidppBatteryAvailable, hidppBatteryGet,
hidppBatteryPrint};
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