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1. add comments for app lib

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2. fix bug of sensor_config_with_attr
This commit is contained in:
Weining Lu
2019-05-08 16:42:39 +08:00
parent cf92fc0965
commit f3163f9471
8 changed files with 249 additions and 31 deletions
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13
core/iwasm/lib/app-libs/extension/sensor/sensor.c
View File

@ -28,7 +28,7 @@ typedef struct _sensor {
static sensor_t g_sensors = NULL;
sensor_t sensor_open(const char* name, int index,
void (*sensor_event_handler)(sensor_t, attr_container_t *, void *),
sensor_event_handler_f sensor_event_handler,
void *user_data)
{
uint32 id = wasm_sensor_open(name, index);
@ -63,12 +63,10 @@ sensor_t sensor_open(const char* name, int index,
bool sensor_config_with_attr_container(sensor_t sensor, attr_container_t *cfg)
{
char * buffer;
int len;
char *buffer = (char *)cfg;
int len = attr_container_get_serialize_length(cfg);
bool ret = wasm_sensor_config_with_attr_container(sensor->handle, buffer,
len);
return ret;
return wasm_sensor_config_with_attr_container(sensor->handle, buffer, len);
}
bool sensor_config(sensor_t sensor, int interval, int bit_cfg, int delay)
@ -79,7 +77,6 @@ bool sensor_config(sensor_t sensor, int interval, int bit_cfg, int delay)
bool sensor_close(sensor_t sensor)
{
wasm_sensor_close(sensor->handle);
// remove local node
@ -114,8 +111,6 @@ void on_sensor_event(uint32 sensor_id, char * buffer, int len)
{
attr_container_t * sensor_data = (attr_container_t *) buffer;
// ??? use buffer or the attributs struct?
// lookup the sensor and call the handlers
sensor_t s = g_sensors;
sensor_t prev = NULL;

72
core/iwasm/lib/app-libs/extension/sensor/sensor.h
View File

@ -23,19 +23,77 @@
extern "C" {
#endif
//TODO:
#define bh_queue_t void
/* board producer define sensor */
struct _sensor;
typedef struct _sensor *sensor_t;
// Sensor APIs
sensor_t sensor_open(const char* name, int index,
void (*on_sensor_event)(sensor_t, attr_container_t *, void *),
void *user_data);
/**
* @typedef sensor_event_handler_f
*
* @brief Define the signature of callback function for API
* sensor_open() to handle sensor event.
*
* @param sensor the sensor which the event belong to
* @param sensor_event the sensor event
* @param user_data user data associated with the sensor which is set when
* calling sensor_open().
*
* @see sensor_open
*/
typedef void (*sensor_event_handler_f)(sensor_t sensor,
attr_container_t *sensor_event,
void *user_data);
/*
*****************
* Sensor APIs
*****************
*/
/**
* @brief Open sensor.
*
* @param name sensor name
* @param index sensor index
* @param handler callback function to handle the sensor event
* @param user_data user data
*
* @return the sensor opened if success, NULL otherwise
*/
sensor_t sensor_open(const char* name,
int index,
sensor_event_handler_f handler,
void *user_data);
/**
* @brief Configure sensor with interval/bit_cfg/delay values.
*
* @param sensor the sensor to be configured
* @param interval sensor event interval
* @param bit_cfg sensor bit config
* @param delay sensor delay
*
* @return true if success, false otherwise
*/
bool sensor_config(sensor_t sensor, int interval, int bit_cfg, int delay);
/**
* @brief Configure sensor with attr_container_t object.
*
* @param sensor the sensor to be configured
* @param cfg the configuration
*
* @return true if success, false otherwise
*/
bool sensor_config_with_attr_container(sensor_t sensor, attr_container_t *cfg);
/**
* @brief Close sensor.
*
* @param sensor the sensor to be closed
*
* @return true if success, false otherwise
*/
bool sensor_close(sensor_t sensor);
#ifdef __cplusplus