1 // Copyright 2010-2020 Espressif Systems (Shanghai) PTE LTD
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #pragma once
16 
17 #ifdef __cplusplus
18 extern "C" {
19 #endif
20 
21 #define SOC_UART_FIFO_LEN          (128)      /*!< The UART hardware FIFO length */
22 #define SOC_UART_BITRATE_MAX       (5000000)  /*!< Max bit rate supported by UART */
23 
24 #define SOC_UART_NUM           (3)
25 
26 // UART has an extra TX_WAIT_SEND state when the FIFO is not empty and XOFF is enabled
27 #define SOC_UART_SUPPORT_FSM_TX_WAIT_SEND   (1)
28 
29 #ifdef __cplusplus
30 }
31 #endif
32