We have added custom HID firmware and are able to discover it on the Android Bluetooth Settings app.
iOS fails to show the Bluetooth device on iOS Bluetooth Settings app.
static void gap_params_init(void)
{
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode);
err_code = sd_ble_gap_appearance_set(BLE_APPEARANCE_HID_KEYBOARD);
APP_ERROR_CHECK(err_code);
memset(&gap_conn_params, 0, sizeof(gap_conn_params));
gap_conn_params.min_conn_interval = MIN_CONN_INTERVAL;
gap_conn_params.max_conn_interval = MAX_CONN_INTERVAL;
gap_conn_params.slave_latency = SLAVE_LATENCY;
gap_conn_params.conn_sup_timeout = CONN_SUP_TIMEOUT;
err_code = sd_ble_gap_ppcp_set(&gap_conn_params);
APP_ERROR_CHECK(err_code);
}
static void services_init(void)
{
hids_init_m();
}
/**@brief Function for initializing HID Service.
*/
void hids_init_m(void)
{
ret_code_t err_code;
ble_hids_init_t hids_init_obj;
ble_hids_inp_rep_init_t * p_input_report;
ble_hids_outp_rep_init_t * p_output_report;
ble_hids_feature_rep_init_t * p_feature_report;
uint8_t hid_info_flags;
static ble_hids_inp_rep_init_t input_report_array[1];
static ble_hids_outp_rep_init_t output_report_array[1];
static ble_hids_feature_rep_init_t feature_report_array[1];
static uint8_t report_map_data[] =
{
0x05, 0x01, // Usage Page (Generic Desktop)
0x09, 0x06, // Usage (Keyboard)
0xA1, 0x01, // Collection (Application)
0x05, 0x07, // Usage Page (Key Codes)
0x19, 0xe0, // Usage Minimum (224)
0x29, 0xe7, // Usage Maximum (231)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x75, 0x01, // Report Size (1)
0x95, 0x08, // Report Count (8)
0x81, 0x02, // Input (Data, Variable, Absolute)
0x95, 0x01, // Report Count (1)
0x75, 0x08, // Report Size (8)
0x81, 0x01, // Input (Constant) reserved byte(1)
0x95, 0x05, // Report Count (5)
0x75, 0x01, // Report Size (1)
0x05, 0x08, // Usage Page (Page# for LEDs)
0x19, 0x01, // Usage Minimum (1)
0x29, 0x05, // Usage Maximum (5)
0x91, 0x02, // Output (Data, Variable, Absolute), Led report
0x95, 0x01, // Report Count (1)
0x75, 0x03, // Report Size (3)
0x91, 0x01, // Output (Data, Variable, Absolute), Led report padding
0x95, 0x06, // Report Count (6)
0x75, 0x08, // Report Size (8)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x65, // Logical Maximum (101)
0x05, 0x07, // Usage Page (Key codes)
0x19, 0x00, // Usage Minimum (0)
0x29, 0x65, // Usage Maximum (101)
0x81, 0x00, // Input (Data, Array) Key array(6 bytes)
0x09, 0x05, // Usage (Vendor Defined)
0x15, 0x00, // Logical Minimum (0)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x75, 0x08, // Report Size (8 bit)
0x95, 0x02, // Report Count (2)
0xB1, 0x02, // Feature (Data, Variable, Absolute)
0xC0 // End Collection (Application)
};
memset((void *)input_report_array, 0, sizeof(ble_hids_inp_rep_init_t));
memset((void *)output_report_array, 0, sizeof(ble_hids_outp_rep_init_t));
memset((void *)feature_report_array, 0, sizeof(ble_hids_feature_rep_init_t));
// Initialize HID Service
p_input_report = &input_report_array[INPUT_REPORT_KEYS_INDEX];
p_input_report->max_len = INPUT_REPORT_KEYS_MAX_LEN;
p_input_report->rep_ref.report_id = INPUT_REP_REF_ID;
p_input_report->rep_ref.report_type = BLE_HIDS_REP_TYPE_INPUT;
p_input_report->sec.cccd_wr = SEC_JUST_WORKS;
p_input_report->sec.wr = SEC_JUST_WORKS;
p_input_report->sec.rd = SEC_JUST_WORKS;
p_output_report = &output_report_array[OUTPUT_REPORT_INDEX];
p_output_report->max_len = OUTPUT_REPORT_MAX_LEN;
p_output_report->rep_ref.report_id = OUTPUT_REP_REF_ID;
p_output_report->rep_ref.report_type = BLE_HIDS_REP_TYPE_OUTPUT;
p_output_report->sec.wr = SEC_JUST_WORKS;
p_output_report->sec.rd = SEC_JUST_WORKS;
p_feature_report = &feature_report_array[FEATURE_REPORT_INDEX];
p_feature_report->max_len = FEATURE_REPORT_MAX_LEN;
p_feature_report->rep_ref.report_id = FEATURE_REP_REF_ID;
p_feature_report->rep_ref.report_type = BLE_HIDS_REP_TYPE_FEATURE;
p_feature_report->sec.rd = SEC_JUST_WORKS;
p_feature_report->sec.wr = SEC_JUST_WORKS;
hid_info_flags = HID_INFO_FLAG_REMOTE_WAKE_MSK | HID_INFO_FLAG_NORMALLY_CONNECTABLE_MSK;
memset(&hids_init_obj, 0, sizeof(hids_init_obj));
hids_init_obj.evt_handler = on_hids_evt;
hids_init_obj.error_handler = service_error_handler;
hids_init_obj.is_kb = true;
hids_init_obj.is_mouse = false;
hids_init_obj.inp_rep_count = 1;
hids_init_obj.p_inp_rep_array = input_report_array;
hids_init_obj.outp_rep_count = 1;
hids_init_obj.p_outp_rep_array = output_report_array;
hids_init_obj.feature_rep_count = 1;
hids_init_obj.p_feature_rep_array = feature_report_array;
hids_init_obj.rep_map.data_len = sizeof(report_map_data);
hids_init_obj.rep_map.p_data = report_map_data;
hids_init_obj.hid_information.bcd_hid = BASE_USB_HID_SPEC_VERSION;
hids_init_obj.hid_information.b_country_code = 0;
hids_init_obj.hid_information.flags = hid_info_flags;
hids_init_obj.included_services_count = 0;
hids_init_obj.p_included_services_array = NULL;
hids_init_obj.rep_map.rd_sec = SEC_JUST_WORKS;
hids_init_obj.hid_information.rd_sec = SEC_JUST_WORKS;
hids_init_obj.boot_kb_inp_rep_sec.cccd_wr = SEC_JUST_WORKS;
hids_init_obj.boot_kb_inp_rep_sec.rd = SEC_JUST_WORKS;
hids_init_obj.boot_kb_outp_rep_sec.rd = SEC_JUST_WORKS;
hids_init_obj.boot_kb_outp_rep_sec.wr = SEC_JUST_WORKS;
hids_init_obj.protocol_mode_rd_sec = SEC_JUST_WORKS;
hids_init_obj.protocol_mode_wr_sec = SEC_JUST_WORKS;
hids_init_obj.ctrl_point_wr_sec = SEC_JUST_WORKS;
err_code = ble_hids_init(&m_hids, &hids_init_obj);
APP_ERROR_CHECK(err_code);
}
