improve sensor framework (#6784)

* [stm32l475-pandora] rename sensor_port.c as drv_sensors.c
* [sensor][cmd] add enter critical section protection
* [sensor] add sensor reset command

2 files changed, 15 insertions, 6 deletions

diff --git a/components/drivers/sensor/sensor.c b/components/drivers/sensor/sensor.c
index 025182862b..40e4b46037 100644
--- a/components/drivers/sensor/sensor.c
+++ b/components/drivers/sensor/sensor.c
@@ -228,8 +228,8 @@ __exit:
 static rt_err_t _sensor_close(rt_device_t dev)
 {
     rt_sensor_t sensor = (rt_sensor_t)dev;
-    int i;
     rt_err_t (*local_ctrl)(rt_sensor_t sensor, int cmd, void *arg) = _local_control;
+    int i;
 
     RT_ASSERT(dev != RT_NULL);
 
@@ -517,10 +517,5 @@ int rt_hw_sensor_register(rt_sensor_t    sensor,
     LOG_I("sensor[%s] init success", device_name);
     rt_free(device_name);
 
-    /* set sensor accuracy and power as the hightest, and polling data as default */
-    rt_device_control(device, RT_SENSOR_CTRL_SET_ACCURACY_MODE, RT_SENSOR_MODE_ACCURACY_HIGHEST);
-    rt_device_control(device, RT_SENSOR_CTRL_SET_POWER_MODE, RT_SENSOR_MODE_POWER_HIGHEST);
-    rt_device_control(device, RT_SENSOR_CTRL_SET_FETCH_MODE, RT_SENSOR_MODE_FETCH_POLLING);
-
     return RT_EOK;
 }
diff --git a/components/drivers/sensor/sensor_cmd.c b/components/drivers/sensor/sensor_cmd.c
index 2069a1182d..db6061b675 100644
--- a/components/drivers/sensor/sensor_cmd.c
+++ b/components/drivers/sensor/sensor_cmd.c
@@ -542,6 +542,7 @@ static void sensor_cmd_warning_unknown(void)
     rt_kprintf("         power [mode]          set or get power mode\n");
     rt_kprintf("         accuracy [mode]       set or get accuracy mode\n");
     rt_kprintf("         fetch [mode]          set or get fetch data mode\n");
+    rt_kprintf("         reset                 reset sensor chip\n");
 }
 
 static void sensor_cmd_warning_probe(void)
@@ -649,6 +650,19 @@ static void sensor(int argc, char **argv)
             2, sensor_dev->info.scale.range_min, 2, sensor_dev->info.scale.range_max, 5, sensor_get_unit_name(&sensor_dev->info));
         }
     }
+    else if (!rt_strcmp(argv[1], "reset"))
+    {
+        if (dev == RT_NULL)
+        {
+            sensor_cmd_warning_probe();
+            return;
+        }
+
+        if (rt_device_control(dev, RT_SENSOR_CTRL_SOFT_RESET, RT_NULL) != RT_EOK)
+        {
+            LOG_E("This sensor doesn't support this command!");
+        }
+    }
     else if (!rt_strcmp(argv[1], "probe"))
     {
         rt_uint8_t reg = 0xFF;