xref: /aosp_15_r20/external/openthread/examples/apps/ncp/ncp.c (revision cfb92d1480a9e65faed56933e9c12405f45898b4)
1 /*
2  *  Copyright (c) 2021, The OpenThread Authors.
3  *  All rights reserved.
4  *
5  *  Redistribution and use in source and binary forms, with or without
6  *  modification, are permitted provided that the following conditions are met:
7  *  1. Redistributions of source code must retain the above copyright
8  *     notice, this list of conditions and the following disclaimer.
9  *  2. Redistributions in binary form must reproduce the above copyright
10  *     notice, this list of conditions and the following disclaimer in the
11  *     documentation and/or other materials provided with the distribution.
12  *  3. Neither the name of the copyright holder nor the
13  *     names of its contributors may be used to endorse or promote products
14  *     derived from this software without specific prior written permission.
15  *
16  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  *  POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include "openthread-core-config.h"
30 
31 #include <openthread/ncp.h>
32 
33 #include "common/code_utils.hpp"
34 
35 #include "ncp/ncp_config.h"
36 
37 #if !OPENTHREAD_CONFIG_NCP_SPI_ENABLE
38 #include "utils/uart.h"
39 
otPlatUartReceived(const uint8_t * aBuf,uint16_t aBufLength)40 void otPlatUartReceived(const uint8_t *aBuf, uint16_t aBufLength) { otNcpHdlcReceive(aBuf, aBufLength); }
41 
otPlatUartSendDone(void)42 void otPlatUartSendDone(void) { otNcpHdlcSendDone(); }
43 #endif
44 
45 #if !OPENTHREAD_ENABLE_NCP_VENDOR_HOOK
46 #if !OPENTHREAD_CONFIG_NCP_SPI_ENABLE
NcpSend(const uint8_t * aBuf,uint16_t aBufLength)47 static int NcpSend(const uint8_t *aBuf, uint16_t aBufLength)
48 {
49     IgnoreError(otPlatUartSend(aBuf, aBufLength));
50     return aBufLength;
51 }
52 #endif
53 
otAppNcpInit(otInstance * aInstance)54 void otAppNcpInit(otInstance *aInstance)
55 {
56 #if OPENTHREAD_CONFIG_NCP_SPI_ENABLE
57     otNcpSpiInit(aInstance);
58 #else
59     IgnoreError(otPlatUartEnable());
60 
61     otNcpHdlcInit(aInstance, NcpSend);
62 #endif
63 }
64 
65 #if OPENTHREAD_CONFIG_MULTIPAN_RCP_ENABLE
otAppNcpInitMulti(otInstance ** aInstances,uint8_t aCount)66 void otAppNcpInitMulti(otInstance **aInstances, uint8_t aCount)
67 {
68 #if OPENTHREAD_CONFIG_NCP_SPI_ENABLE
69 #error Multipan support not implemented for SPI
70 #else
71     IgnoreError(otPlatUartEnable());
72 
73     otNcpHdlcInitMulti(aInstances, aCount, NcpSend);
74 #endif
75 }
76 #endif
77 #endif // !OPENTHREAD_ENABLE_NCP_VENDOR_HOOK
78