2 * Copyright (c) 2013-2020 Arm Limited. All rights reserved.
4 * SPDX-License-Identifier: Apache-2.0
6 * Licensed under the Apache License, Version 2.0 (the License); you may
7 * not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
14 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
19 #include "Driver_USART.h"
21 #define ARM_USART_DRV_VERSION ARM_DRIVER_VERSION_MAJOR_MINOR(1, 0) /* driver version */
24 static const ARM_DRIVER_VERSION DriverVersion = {
25 ARM_USART_API_VERSION,
29 /* Driver Capabilities */
30 static const ARM_USART_CAPABILITIES DriverCapabilities = {
31 1, /* supports UART (Asynchronous) mode */
32 0, /* supports Synchronous Master mode */
33 0, /* supports Synchronous Slave mode */
34 0, /* supports UART Single-wire mode */
35 0, /* supports UART IrDA mode */
36 0, /* supports UART Smart Card mode */
37 0, /* Smart Card Clock generator available */
38 0, /* RTS Flow Control available */
39 0, /* CTS Flow Control available */
40 0, /* Transmit completed event: \ref ARM_USART_EVENT_TX_COMPLETE */
41 0, /* Signal receive character timeout event: \ref ARM_USART_EVENT_RX_TIMEOUT */
42 0, /* RTS Line: 0=not available, 1=available */
43 0, /* CTS Line: 0=not available, 1=available */
44 0, /* DTR Line: 0=not available, 1=available */
45 0, /* DSR Line: 0=not available, 1=available */
46 0, /* DCD Line: 0=not available, 1=available */
47 0, /* RI Line: 0=not available, 1=available */
48 0, /* Signal CTS change event: \ref ARM_USART_EVENT_CTS */
49 0, /* Signal DSR change event: \ref ARM_USART_EVENT_DSR */
50 0, /* Signal DCD change event: \ref ARM_USART_EVENT_DCD */
51 0, /* Signal RI change event: \ref ARM_USART_EVENT_RI */
52 0 /* Reserved (must be zero) */
59 static ARM_DRIVER_VERSION ARM_USART_GetVersion(void)
64 static ARM_USART_CAPABILITIES ARM_USART_GetCapabilities(void)
66 return DriverCapabilities;
69 static int32_t ARM_USART_Initialize(ARM_USART_SignalEvent_t cb_event)
73 static int32_t ARM_USART_Uninitialize(void)
77 static int32_t ARM_USART_PowerControl(ARM_POWER_STATE state)
93 static int32_t ARM_USART_Send(const void *data, uint32_t num)
97 static int32_t ARM_USART_Receive(void *data, uint32_t num)
101 static int32_t ARM_USART_Transfer(const void *data_out, void *data_in, uint32_t num)
105 static uint32_t ARM_USART_GetTxCount(void)
109 static uint32_t ARM_USART_GetRxCount(void)
113 static int32_t ARM_USART_Control(uint32_t control, uint32_t arg)
117 static ARM_USART_STATUS ARM_USART_GetStatus(void)
121 static int32_t ARM_USART_SetModemControl(ARM_USART_MODEM_CONTROL control)
125 static ARM_USART_MODEM_STATUS ARM_USART_GetModemStatus(void)
129 static void ARM_USART_SignalEvent(uint32_t event)
134 // End USART Interface
137 ARM_DRIVER_USART Driver_USART0;
138 ARM_DRIVER_USART Driver_USART0 = {
139 ARM_USART_GetVersion,
140 ARM_USART_GetCapabilities,
141 ARM_USART_Initialize,
142 ARM_USART_Uninitialize,
143 ARM_USART_PowerControl,
147 ARM_USART_GetTxCount,
148 ARM_USART_GetRxCount,
151 ARM_USART_SetModemControl,
152 ARM_USART_GetModemStatus