From a5eb4ba1296c6279e5535bf3bcc1f1796707f6c6 Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Thu, 5 Jul 2012 16:53:55 +0200
Subject: Initial import

---
 src/feature/battery.c | 148 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 148 insertions(+)
 create mode 100644 src/feature/battery.c

(limited to 'src/feature/battery.c')

diff --git a/src/feature/battery.c b/src/feature/battery.c
new file mode 100644
index 0000000..7e2ed26
--- /dev/null
+++ b/src/feature/battery.c
@@ -0,0 +1,148 @@
+/*
+ * 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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