1 files changed, 87 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/app_usbd_serial_num.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/app_usbd_serial_num.c
new file mode 100644
index 0000000..bec2f4e
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/app_usbd_serial_num.c
@@ -0,0 +1,87 @@
+/**
+ * Copyright (c) 2018 - 2018, Nordic Semiconductor ASA
+ * 
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ *    Semiconductor ASA integrated circuit in a product or a software update for
+ *    such product, must reproduce the above copyright notice, this list of
+ *    conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ * 
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ * 
+ * 4. This software, with or without modification, must only be used with a
+ *    Nordic Semiconductor ASA integrated circuit.
+ * 
+ * 5. Any software provided in binary form under this license must not be reverse
+ *    engineered, decompiled, modified and/or disassembled.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+#include "app_usbd_serial_num.h"
+
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include "app_usbd.h"
+
+#define SERIAL_NUMBER_STRING_SIZE (12)
+
+/**@brief Serial number generated
+ *
+ * Serial number generated by the @ref serial_number_string_create function
+ */
+uint16_t g_extern_serial_number[SERIAL_NUMBER_STRING_SIZE + 1];
+
+
+/**@brief Function for creating the serial number string from a regular C string.
+ *
+ * @param[in]  p_serial_number_string  The serial number string. Must be terminated with \0.
+ */
+static void string_create(char * p_serial_number_string)
+{
+    g_extern_serial_number[0] =
+        (uint16_t)APP_USBD_DESCRIPTOR_STRING << 8 | sizeof(g_extern_serial_number);
+
+    for (uint32_t i = 0; i < strlen(p_serial_number_string); i++)
+    {
+        g_extern_serial_number[i + 1] = (uint8_t)p_serial_number_string[i];
+    }
+}
+
+
+void app_usbd_serial_num_generate(void)
+{
+    char serial_number_string[SERIAL_NUMBER_STRING_SIZE + 1];
+    const uint16_t serial_num_high_bytes = (uint16_t)NRF_FICR->DEVICEADDR[1] | 0xC000; // The masking makes the address match the Random Static BLE address.
+    const uint32_t serial_num_low_bytes  = NRF_FICR->DEVICEADDR[0];
+
+    (void)snprintf(serial_number_string,
+                   SERIAL_NUMBER_STRING_SIZE + 1,
+                   "%04"PRIX16"%08"PRIX32,
+                   serial_num_high_bytes,
+                   serial_num_low_bytes);
+
+    string_create(serial_number_string);
+}
+