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[Sensor] Add user-commands range limitation

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This commit is contained in:
luhuadong
2020-03-16 11:03:32 +08:00
parent 815d231f4a
commit 7c4e70b3b3
2 changed files with 11 additions and 2 deletions
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components/drivers/sensors/sensor.c
+9 -2
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@@ -354,8 +354,15 @@ static rt_err_t rt_sensor_control(rt_device_t dev, int cmd, void *args)
break;
default:
/* Custom commands */
result = sensor->ops->control(sensor, cmd, args);
if (cmd > RT_SENSOR_CTRL_USER_CMD_START)
{
/* Custom commands */
result = sensor->ops->control(sensor, cmd, args);
}
else
{
result = -RT_ERROR;
}
break;
}
components/drivers/sensors/sensor.h
+2
View File
@@ -111,6 +111,8 @@ extern "C" {
#define RT_SENSOR_CTRL_SET_POWER (5) /* Set power mode. args type of sensor power mode. ex. RT_SENSOR_POWER_DOWN,RT_SENSOR_POWER_NORMAL */
#define RT_SENSOR_CTRL_SELF_TEST (6) /* Take a self test */
#define RT_SENSOR_CTRL_USER_CMD_START 0x100 /* User commands should be greater than 0x100 */
struct rt_sensor_info
{
rt_uint8_t type; /* The sensor type */