VEHICLE_VALUE_TYPE_ZONED_FLOAT = 0x30,
VEHICLE_VALUE_TYPE_ZONED_FLOAT_VEC2 = 0x31,
VEHICLE_VALUE_TYPE_ZONED_FLOAT_VEC3 = 0x32,
+ VEHICLE_VALUE_TYPE_ZONED_FLOAT_VEC4 = 0x33,
VEHICLE_VALUE_TYPE_ZONED_INT32 = 0x40,
VEHICLE_VALUE_TYPE_ZONED_INT32_VEC2 = 0x41,
VEHICLE_VALUE_TYPE_ZONED_INT32_VEC3 = 0x42,
+ VEHICLE_VALUE_TYPE_ZONED_INT32_VEC4 = 0x43,
};
/**
};
/**
- * Error code used in HAL implemnentation. Follows utils/Errors.h
- */
-enum vehicle_error_code {
- VEHICLE_NO_ERROR = 0x0,
- VEHICLE_ERROR_UNKNOWN = (-2147483647 - 1), // INT32_MIN value
- VEHICLE_ERROR_NO_MEMORY = -12, //ENOMEM
- VEHICLE_ERROR_INVALID_OPERATION = -38, //ENOSYS
- VEHICLE_ERROR_BAD_VALUE = -22, //EINVAL
- VEHICLE_ERROR_BAD_TYPE = (VEHICLE_ERROR_UNKNOWN + 1),
- VEHICLE_ERROR_NAME_NOT_FOUND = -2, //ENOENT
- VEHICLE_ERROR_PERMISSION_DENIED = -1, //EPERM
- VEHICLE_ERROR_NO_INIT = -19, //ENODEV
- VEHICLE_ERROR_ALREADY_EXISTS = -17, //EEXIST
- VEHICLE_ERROR_DEAD_OBJECT = -32, //EPIPE
- VEHICLE_ERROR_FAILED_TRANSACTION = (VEHICLE_ERROR_UNKNOWN + 2),
- VEHICLE_ERROR_BAD_INDEX = -75, //EOVERFLOW
- VEHICLE_ERROR_NOT_ENOUGH_DATA = -61, //ENODATA
- VEHICLE_ERROR_WOULD_BLOCK = -11, //EWOULDBLOCK
- VEHICLE_ERROR_TIMED_OUT = -110, //ETIMEDOUT
- VEHICLE_ERROR_UNKNOWN_TRANSACTION = -74, //EBADMSG
- VEHICLE_FDS_NOT_ALLOWED = (VEHICLE_ERROR_UNKNOWN + 7),
-};
-
-/**
* This describes how value of property can change.
*/
enum vehicle_prop_change_mode {
*/
typedef vehicle_str_t vehicle_bytes_t;
-typedef struct vehicle_zoned_int32 {
- union {
- int32_t zone;
- int32_t seat;
- int32_t window;
- };
- int32_t value;
-} vehicle_zoned_int32_t;
-
-typedef struct vehicle_zoned_int32_array {
- union {
- int32_t zone;
- int32_t seat;
- int32_t window;
- };
- int32_t values[3];
-} vehicle_zoned_int32_array_t;
-
-typedef struct vehicle_zoned_float {
- union {
- int32_t zone;
- int32_t seat;
- int32_t window;
- };
- float value;
-} vehicle_zoned_float_t;
-
-typedef struct vehicle_zoned_float_array {
- union {
- int32_t zone;
- int32_t seat;
- int32_t window;
- };
- float values[3];
-} vehicle_zoned_float_array_t;
-
-typedef struct vehicle_zoned_boolean {
- union {
- int32_t zone;
- int32_t seat;
- int32_t window;
- };
- vehicle_boolean_t value;
-} vehicle_zoned_boolean_t;
-
-
typedef struct vehicle_prop_config {
int32_t prop;
* Define necessary permission model to access the data.
*/
int32_t permission_model;
+
/**
* Some of the properties may have associated zones (such as hvac), in these
* cases the config should contain an ORed value for the associated zone.
*/
union {
/**
- * For generic configuration information
- */
- int32_t config_flags;
-
- /**
* The value is derived by ORing one or more of enum vehicle_zone members.
*/
int32_t vehicle_zone_flags;
int32_t vehicle_seat_flags;
/** The value is derived by ORing one or more of enum vehicle_window members. */
int32_t vehicle_window_flags;
+ };
+ /**
+ * Property specific configuration information. Usage of this will be defined per each property.
+ */
+ union {
+ /**
+ * For generic configuration information
+ */
+ int32_t config_flags;
/** The number of presets that are stored by the radio module. Pass 0 if
* there are no presets available. The range of presets is defined to be
* from 1 (see VEHICLE_RADIO_PRESET_MIN_VALUE) to vehicle_radio_num_presets.
* array should be set to NULL.
* 2. All zones having separate min / max value: *_min/max_values array should be populated
* and its length should be the same as number of active zones specified by *_zone_flags.
+ *
+ * Should be NULL if each zone does not have separate max values.
*/
union {
float* float_min_values;
/**
* Array of max values for zoned properties. See above for its usage.
+ * Should be NULL if each zone does not have separate max values.
+ * If not NULL, length of array should match that of min_values.
*/
union {
float* float_max_values;
* below). We define these properties outside in global scope so that HAL
* implementation and HAL users (JNI) can typecast vehicle_hvac correctly.
*/
-typedef vehicle_zoned_int32_t vehicle_hvac_fan_speed_t;
-
-typedef vehicle_zoned_int32_t vehicle_hvac_fan_direction_t;
-
-typedef vehicle_zoned_float_t vehicle_hvac_zone_temperature_t;
-
-//TODO Typical seat heat/cooling is done in fixed steps. Needs better definition.
-//typedef struct vehicle_hvac_seat_temperature {
-// // Value should be one of enum vehicle_seat.
-// int32_t seat;
-// float temperature;
-//} vehicle_hvac_heated_seat_temperature_t;
-
-typedef vehicle_zoned_boolean_t vehicle_hvac_defrost_on_t;
-
-typedef vehicle_zoned_boolean_t vehicle_hvac_ac_on_t;
-
-typedef vehicle_boolean_t vehicle_hvac_max_ac_on_t;
-
-typedef vehicle_boolean_t vehicle_hvac_max_defrost_on_t;
-
-typedef vehicle_boolean_t vehicle_hvac_recirc_on_t;
-
-typedef vehicle_boolean_t vehicle_hvac_dual_on_t;
-
typedef struct vehicle_hvac {
/**
* Define one structure for each possible HVAC property.
* NOTES:
- * a) Zone is defined in enum vehicle_zone.
- * b) Fan speed is a number from (0 - 6) where 6 is the highest speed. (TODO define enum)
- * c) Temperature is a floating point Celcius scale.
- * d) Direction is defined in enum vehicle_fan_direction.
+ * a) Fan speed is a number from (0 - 6) where 6 is the highest speed. (TODO define enum)
+ * b) Temperature is a floating point Celcius scale.
+ * c) Direction is defined in enum vehicle_fan_direction.
*
* The HAL should create #entries number of vehicle_hvac_properties and
* assign it to "properties" variable below.
*/
union {
- vehicle_hvac_fan_speed_t fan_speed;
- vehicle_hvac_fan_direction_t fan_direction;
- vehicle_hvac_ac_on_t ac_on;
- vehicle_hvac_max_ac_on_t max_ac_on;
- vehicle_hvac_max_defrost_on_t max_defrost_on;
- vehicle_hvac_recirc_on_t recirc_on;
- vehicle_hvac_dual_on_t dual_on;
-
- vehicle_hvac_zone_temperature_t temperature_current;
- vehicle_hvac_zone_temperature_t temperature_set;
-
- //TODO Heated seat.
- //vehicle_hvac_heated_seat_t heated_seat;
-
- vehicle_hvac_defrost_on_t defrost_on;
+ int32_t fan_speed;
+ int32_t fan_direction;
+ vehicle_boolean_t ac_on;
+ vehicle_boolean_t max_ac_on;
+ vehicle_boolean_t max_defrost_on;
+ vehicle_boolean_t recirc_on;
+ vehicle_boolean_t dual_on;
+
+ float temperature_current;
+ float temperature_set;
+
+ vehicle_boolean_t defrost_on;
};
} vehicle_hvac_t;
vehicle_str_t str_value;
vehicle_bytes_t bytes_value;
vehicle_boolean_t boolean_value;
- vehicle_zoned_int32_t zoned_int32_value;
- vehicle_zoned_int32_array_t zoned_int32_array;
- vehicle_zoned_float_t zoned_float_value;
- vehicle_zoned_float_array_t zoned_float_array;
- vehicle_zoned_boolean_t zoned_boolean_value;
// Vehicle Information.
vehicle_str_t info_vin;
/** time is elapsed nanoseconds since boot */
int64_t timestamp;
+ /**
+ * Zone information for zoned property. For non-zoned property, this should be ignored.
+ */
+ union {
+ int32_t zone;
+ int32_t seat;
+ int32_t window;
+ };
+
vehicle_value_t value;
} vehicle_prop_value_t;
};
/*
- * Suggests that an error condition has occured. error_code should be one of
- * enum vehicle_error_code.
+ * Suggests that an error condition has occurred.
*
- * @param error_code Error code. It should be one of enum vehicle_error_code.
- * See error code for details.
+ * @param error_code Error code. error_code should be standard error code with
+ * negative value like -EINVAL.
* @parm property Note a property where error has happened. If this is generic error, property
* should be VEHICLE_PROPERTY_INVALID.
* @param operation Represent the operation where the error has happened. Should be one of
* Caller will set data->prop, data->value_type, and optionally zone value for zoned property.
* But HAL implementation needs to fill all entries properly when returning.
* For pointer type, HAL implementation should allocate necessary memory and caller is
- * responsible for freeing memory for the pointer.
+ * responsible for calling release_memory_from_get, which allows HAL to release allocated
+ * memory.
* For VEHICLE_PROP_CHANGE_MODE_STATIC type of property, get should return the same value
* always.
* For VEHICLE_PROP_CHANGE_MODE_ON_CHANGE type of property, it should return the latest value.
+ * If there is no data available yet, which can happen during initial stage, this call should
+ * return immediately with error code of -EAGAIN.
*/
int (*get)(struct vehicle_hw_device* device, vehicle_prop_value_t *data);
/**
+ * Release memory allocated to data in previous get call. get call for byte or string involves
+ * allocating necessary memory from vehicle hal.
+ * To be safe, memory allocated by vehicle hal should be released by vehicle hal and vehicle
+ * network service will call this when data from vehicle hal is no longer necessary.
+ * vehicle hal implementation should only release member of vehicle_prop_value_t like
+ * data->str_value.data or data->bytes_value.data but not data itself as data itself is
+ * allocated from vehicle network service. Once memory is freed, corresponding pointer should
+ * be set to NULL bu vehicle hal.
+ */
+ void (*release_memory_from_get)(struct vehicle_hw_device* device, vehicle_prop_value_t *data);
+
+ /**
* Set a vehicle property value. data should be allocated properly and not
* NULL.
* The caller of the API OWNS the data field.
printf("Value: %s\n", ascii_out);
break;
case VEHICLE_VALUE_TYPE_ZONED_FLOAT:
- printf("Value type: ZONED_FLOAT\nZone: %d\n", data->value.zoned_float_value.zone);
- printf("Value type: ZONED_FLOAT\nValue: %f\n", data->value.zoned_float_value.value);
+ printf("Value type: ZONED_FLOAT\nZone: %d\n", data->zone);
+ printf("Value type: ZONED_FLOAT\nValue: %f\n", data->value.float_value);
break;
case VEHICLE_VALUE_TYPE_INT32_VEC3:
printf("Value type: INT32_VEC3\nValue[0]: %d\n", data->value.int32_array[0]);
break;
case VEHICLE_VALUE_TYPE_ZONED_FLOAT:
sscanf(data, "%d %f", &zone, &value);
- vehicle_data.value.zoned_float_value.zone = zone;
- vehicle_data.value.zoned_float_value.value = value;
- printf("Value type: ZONED_FLOAT\nZone: %d\n", vehicle_data.value.zoned_float_value.zone);
- printf("Value type: ZONED_FLOAT\nValue: %f\n", vehicle_data.value.zoned_float_value.value);
+ vehicle_data.zone = zone;
+ vehicle_data.value.float_value = value;
+ printf("Value type: ZONED_FLOAT\nZone: %d\n", vehicle_data.zone);
+ printf("Value type: ZONED_FLOAT\nValue: %f\n", vehicle_data.value.float_value);
break;
case VEHICLE_VALUE_TYPE_INT32_VEC2:
sscanf(data, "%d %d", &vehicle_data.value.int32_array[0],
printf("Ascii value: %s\n", ascii_out);
break;
case VEHICLE_VALUE_TYPE_ZONED_FLOAT:
- printf("Value type: ZONED_FLOAT\nZone: %d\n", event_data->value.zoned_float_value.zone);
- printf("Value type: ZONED_FLOAT\nValue: %f\n", event_data->value.zoned_float_value.value);
+ printf("Value type: ZONED_FLOAT\nZone: %d\n", event_data->zone);
+ printf("Value type: ZONED_FLOAT\nValue: %f\n", event_data->value.float_value);
break;
case VEHICLE_VALUE_TYPE_INT32_VEC2:
printf("Value type: INT32_VEC2\nValue[0]: %d Value[1] %d\n",
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