Start BLE

Author: lupyuen

apps/my_sensor_app/src/ble.c

@@ -0,0 +1,56 @@
+#include "sysinit/sysinit.h"
+#include "os/os.h"
+#include "console/console.h"
+#include "host/ble_hs.h"
+
+static void
+ble_app_set_addr(void)
+{
+    ble_addr_t addr;
+    int rc;
+
+    rc = ble_hs_id_gen_rnd(1, &addr);
+    assert(rc == 0);
+
+    rc = ble_hs_id_set_rnd(addr.val);
+    assert(rc == 0);
+}
+
+static void
+ble_app_advertise(void)
+{
+    struct ble_gap_adv_params adv_params;
+    uint8_t uuid128[16];
+    int rc;
+
+    /* Arbitrarily set the UUID to a string of 0x11 bytes. */
+    memset(uuid128, 0x11, sizeof uuid128);
+
+    /* Major version=2; minor version=10. */
+    //  Measured Power ranging data (Calibrated tx power at 1 meters). Must be > -126 and < 20
+    rc = ble_ibeacon_set_adv_data(uuid128, 2, 10, 0);  //  TODO: Confirm RSSI
+    assert(rc == 0);
+
+    /* Begin advertising. */
+    adv_params = (struct ble_gap_adv_params){ 0 };
+    rc = ble_gap_adv_start(BLE_OWN_ADDR_RANDOM, NULL, BLE_HS_FOREVER,
+                           &adv_params, NULL, NULL);
+    assert(rc == 0);
+}
+
+static void
+ble_app_on_sync(void)
+{
+    /* Generate a non-resolvable private address. */
+    ble_app_set_addr();
+
+    /* Advertise indefinitely. */
+    ble_app_advertise();
+}
+
+int
+start_ble(void)
+{
+    ble_hs_cfg.sync_cb = ble_app_on_sync;
+    return 0;
+}

logs/libapp-demangle.S

@@ -80,6 +80,8 @@ mod app_network {
     //gps_sensor::start_gps_listener()
     //.expect("GPS fail");
 
+    //  Start Bluetooth LE.
+
     //  Main event loop
     //  Loop forever...
     //  Processing events...
@@ -395,6 +397,16 @@ use mynewt::{kernel::os, sys::console, libs::sensor_network};
 extern "C" fn main() -> ! {
     mynewt::sysinit();
     app_sensor::start_sensor_listener().expect("TMP fail");
+    extern "C" {
+        fn start_ble() -> i32;
+    }
+    let rc = unsafe { start_ble() };
+    if !(rc == 0) {
+        {
+            ::core::panicking::panic(&("BLE fail", "rust\\app\\src\\lib.rs",
+                                       74u32, 5u32))
+        }
+    };
     loop  {
         os::eventq_run(os::eventq_dflt_get().expect("GET fail")).expect("RUN fail");
     }

logs/libapp-expanded.rs

@@ -68,6 +68,11 @@ extern "C" fn main() -> ! {  //  Declare extern "C" because it will be called by
     //gps_sensor::start_gps_listener()
         //.expect("GPS fail");
 
+    //  Start Bluetooth LE.
+    extern { fn start_ble() -> i32; }
+    let rc = unsafe { start_ble() };
+    assert!(rc == 0, "BLE fail");
+
     //  Main event loop
     loop {                            //  Loop forever...
         os::eventq_run(               //  Processing events...