Function esp_idf_svc::sys::esp_ble_gattc_write_char

pub unsafe extern "C" fn esp_ble_gattc_write_char(
    gattc_if: u8,
    conn_id: u16,
    handle: u16,
    value_len: u16,
    value: *mut u8,
    write_type: u32,
    auth_req: u32,
) -> i32

@brief This function is called to write characteristic value.

@param[in] gattc_if: Gatt client access interface. @param[in] conn_id : connection ID. @param[in] handle : characteristic handle to write. @param[in] value_len: length of the value to be written. @param[in] value : the value to be written. @param[in] write_type : the type of attribute write operation. @param[in] auth_req : authentication request.

@return - ESP_OK: success - other: failed