services/device_info_service.c

   1 /*
   2  * Device Information Serivce
   3  * https://developer.bluetooth.org/gatt/services/Pages/ServiceViewer.aspx?u=org.bluetooth.service.device_information.xml
   4  */
   5
   6 // Standard Libraries
   7 #include <stdint.h>
   8 #include <stdbool.h>
   9 #include <stdio.h>
  10 #include <string.h>
  11
  12 // Nordic Libraries
  13 #include "nordic_common.h"
  14 #include "nrf.h"
  15 #include "ble.h"
  16 #include "app_error.h"
  17 #include "ble_dis.h"
  18
  19 // Simple BLE Libraries
  20 #include "simple_ble.h"
  21 #include "device_info_service.h"
  22
  23 // for use by simple_ble
  24 void simple_ble_device_info_service_automatic () {
  25     // get hardware revision defined by makefile
  26     char* hw_rev = NULL;
  27 #if defined(HW_REVISION)
  28     hw_rev = HW_REVISION;
  29 #endif
  30
  31     // get firmware revision defined by makefile
  32     char* fw_rev = NULL;
  33 #if defined(FW_REVISION)
  34     fw_rev = FW_REVISION;
  35 #endif
  36
  37     // create device information service
  38     simple_ble_device_info_service(hw_rev, fw_rev, NULL);
  39 }
  40
  41 void simple_ble_device_info_service (char* hw_rev, char* fw_rev, char* sw_rev) {
  42     uint32_t error_code;
  43     ble_dis_init_t device_info = {0};
  44
  45         // It's not clear that we need to support:
  46         //      * Manufacturer Name
  47         //      * Model Number
  48         //      * Serial Number
  49         //
  50     // char* manuf_name, char* model_num, char* serial_num,
  51     /*
  52     if (manuf_name != NULL) {
  53         device_info.manufact_name_str.length = strlen(manuf_name);
  54         device_info.manufact_name_str.p_str = (uint8_t*)manuf_name;
  55     }
  56
  57     if (model_num != NULL) {
  58         device_info.model_num_str.length = strlen(model_num);
  59         device_info.model_num_str.p_str = (uint8_t*)model_num;
  60     }
  61
  62     if (serial_num != NULL) {
  63         device_info.serial_num_str.length = strlen(serial_num);
  64         device_info.serial_num_str.p_str = (uint8_t*)serial_num;
  65     }
  66     */
  67
  68     // code and hardware revisions
  69     if (hw_rev != NULL) {
  70         device_info.hw_rev_str.length = strlen(hw_rev);
  71         device_info.hw_rev_str.p_str = (uint8_t*)hw_rev;
  72     }
  73     if (fw_rev != NULL) {
  74         device_info.fw_rev_str.length = strlen(fw_rev);
  75         device_info.fw_rev_str.p_str = (uint8_t*)fw_rev;
  76     }
  77     if (sw_rev != NULL) {
  78         device_info.sw_rev_str.length = strlen(sw_rev);
  79         device_info.sw_rev_str.p_str = (uint8_t*)sw_rev;
  80     }
  81
  82     // BLE address of the system
  83     ble_dis_sys_id_t sys_id = {0};
  84     sys_id.manufacturer_id = (0xFFFE << 24) | (0x30004f);
  85     sys_id.organizationally_unique_id = 0xc098e5;
  86     device_info.p_sys_id = &sys_id;
  87
  88     // read permission
  89     device_info.dis_attr_md.read_perm.sm = 1;
  90     device_info.dis_attr_md.read_perm.lv = 1;
  91
  92         // Create service
  93     error_code = ble_dis_init(&device_info);
  94     APP_ERROR_CHECK(error_code);
  95 }
  96