nRF52: Added window/interval arguments to NRF.setScan (default was 10…

…0ms) (ref #2465)

ChangeLog

@@ -5,6 +5,7 @@
             nRF52: Write flash in 2k blocks (not 4k) as SD 6.1.1 can crash (probably good for earlier SD too)
             g.wrapString fix issues wrapping long words in UTF8 strings over multiple lines
             Bangle.js2: Fix parsing of UTF8 strings containing char codes 0xF5..0xFF (which are not valid UTF8)
+            nRF52: Added window/interval arguments to NRF.setScan (default was 100ms)
 
      2v21 : nRF52: free up 800b more flash by removing vector table padding
             Throw Exception when a Promise tries to resolve with another Promise (#2450)

libs/bluetooth/jswrap_bluetooth.c

@@ -3281,6 +3281,11 @@ filters: [ ... ] })`
   be `"1mbps/2mbps/both/coded"`)
 * `extended` - (NRF52833/NRF52840 only) support receiving extended-length advertising
   packets (default=true if phy isn't `"1mbps"`)
+* `extended` - (NRF52833/NRF52840 only) support receiving extended-length advertising
+  packets (default=true if phy isn't `"1mbps"`)
+* `window` - (2v22+) how long we scan for in milliseconds (default 100ms)
+* `interval` - (2v22+) how often we scan in milliseconds (default 100ms) - `window=interval=100`(default) is all the time. When
+scanning on both `1mbps` and `coded`, `interval` needs to be twice `window`.
 
 **NOTE:** `timeout` and `active` are not part of the Web Bluetooth standard.
 

targets/nrf5x/bluetooth.c

@@ -3004,6 +3004,14 @@ uint32_t jsble_set_scanning(bool enabled, JsVar *options) {
       } else jsWarn("Unknown phy %q\n", advPhy);
       jsvUnLock(advPhy);
 #endif
+      uint32_t scan_window = MSEC_TO_UNITS(jsvObjectGetIntegerChild(options, "window"), UNIT_0_625_MS);
+      if (scan_window>=4 && scan_window<=16384)
+        m_scan_param.window = scan_window;
+      uint32_t scan_interval = MSEC_TO_UNITS(jsvObjectGetIntegerChild(options, "interval"), UNIT_0_625_MS);
+      if (scan_interval>=4 && scan_interval<=16384)
+        m_scan_param.interval = scan_interval;
+      if (m_scan_param.interval < m_scan_param.window)
+        m_scan_param.interval = m_scan_param.window;
     }
 
     err_code = sd_ble_gap_scan_start(&m_scan_param