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-rw-r--r--board/host/battery.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/board/host/battery.c b/board/host/battery.c
new file mode 100644
index 0000000000..02fc263fc1
--- /dev/null
+++ b/board/host/battery.c
@@ -0,0 +1,87 @@
+/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Smart battery driver.
+ */
+
+#include "battery.h"
+#include "battery_smart.h"
+#include "common.h"
+#include "console.h"
+#include "test_util.h"
+#include "util.h"
+
+static uint16_t mock_smart_battery[SB_MANUFACTURER_DATA + 1];
+
+int sb_i2c_read16(int port, int slave_addr, int offset, int *data)
+{
+ if (port != I2C_PORT_BATTERY || slave_addr != BATTERY_ADDR)
+ return EC_ERROR_INVAL;
+ if (offset >= ARRAY_SIZE(mock_smart_battery))
+ return EC_ERROR_UNIMPLEMENTED;
+ if (offset < 0 || data == NULL)
+ return EC_ERROR_INVAL;
+ *data = mock_smart_battery[offset];
+ return EC_SUCCESS;
+}
+DECLARE_TEST_I2C_READ16(sb_i2c_read16);
+
+int sb_i2c_write16(int port, int slave_addr, int offset, int data)
+{
+ if (port != I2C_PORT_BATTERY || slave_addr != BATTERY_ADDR)
+ return EC_ERROR_INVAL;
+ if (offset >= ARRAY_SIZE(mock_smart_battery))
+ return EC_ERROR_UNIMPLEMENTED;
+ if (offset < 0)
+ return EC_ERROR_INVAL;
+ mock_smart_battery[offset] = data;
+ return EC_SUCCESS;
+}
+DECLARE_TEST_I2C_WRITE16(sb_i2c_write16);
+
+int sb_i2c_read_string(int port, int slave_addr, int offset, uint8_t *data,
+ int len)
+{
+ return EC_SUCCESS;
+}
+
+int battery_time_at_rate(int rate, int *minutes)
+{
+ return EC_SUCCESS;
+}
+
+/* Fake battery */
+const struct battery_temperature_ranges bat_temp_ranges = {
+ /*
+ * Operational temperature range
+ * 0 <= T_charge <= 50 deg C
+ * -20 <= T_discharge <= 60 deg C
+ */
+ .start_charging_min_c = 0,
+ .start_charging_max_c = 50,
+ .charging_min_c = 0,
+ .charging_max_c = 50,
+ .discharging_min_c = -20,
+ .discharging_max_c = 60,
+};
+
+static const struct battery_info bat_info = {
+ /*
+ * Design voltage
+ * max = 8.4V
+ * normal = 7.4V
+ * min = 6.0V
+ */
+ .voltage_max = 8400,
+ .voltage_normal = 7400,
+ .voltage_min = 6000,
+
+ /* Pre-charge current: I <= 0.01C */
+ .precharge_current = 64, /* mA */
+};
+
+const struct battery_info *battery_get_info(void)
+{
+ return &bat_info;
+}