the return value of sd_ble_gatts_hvx()

[happykelvin]

how many are the return value of sd_ble_gatts_hvx(),and the each value is respect what meaning

[Jan Tore Guggedal]

From the documentation: infocenter.nordicsemi.com/.../group___b_l_e___g_a_t_t_s___f_u_n_c_t_i_o_n_s.html