老协议接收超时改为5ms，否则充电底座有问题

Signed-off-by: huhui <huhui@sharkgulf.com>

Application/bsp/uart.c

@@ -72,7 +72,7 @@ static void shark_uart_rx(shark_uart_t *uart){
 		u8 data;
 		update_dma_w_pos(uart);
 		if (circle_get_one_data(&uart->rx_queue, &data) != 1) {
-			if (shark_get_mseconds() >= (30 + _rx_time)) {
+			if (shark_get_mseconds() >= (5 + _rx_time)) {
 				//_rx_time = 0xFFFFFFFFFFFFL;
 				if (uart->rx_length_old_prot > 0){
 					protocol_old_recv_frame(_uart_index(uart->uart_com), uart->rx_frame_old_prot, uart->rx_length_old_prot);