1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
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
16 #include "securec.h"
17 #include "hdf_log.h"
18 #include "osal_mem.h"
19 #include "hdf_io_service_if.h"
20 #include <unistd.h>
21 #include <sys/time.h>
22 #include <stdio.h>
23 #include "osal_thread.h"
24 #include "osal_mutex.h"
25 #include "osal_time.h"
26 #include "securec.h"
27 #define HDF_LOG_TAG cdc_acm_write
28 enum UsbSerialCmd {
29 USB_SERIAL_OPEN = 0,
30 USB_SERIAL_CLOSE,
31 USB_SERIAL_READ,
32 USB_SERIAL_WRITE,
33 USB_SERIAL_GET_BAUDRATE,
34 USB_SERIAL_SET_BAUDRATE,
35 USB_SERIAL_SET_PROP,
36 USB_SERIAL_GET_PROP,
37 USB_SERIAL_REGIST_PROP,
38 };
39 struct HdfSBuf *g_data;
40 struct HdfSBuf *g_reply;
41 struct HdfIoService *g_acmService;
42
check_service()43 int32_t check_service()
44 {
45 if (g_acmService == NULL || g_acmService->dispatcher == NULL || g_acmService->dispatcher->Dispatch == NULL) {
46 HDF_LOGE("%s: GetService err", __func__);
47 return HDF_FAILURE;
48 }
49 if (g_data == NULL || g_reply == NULL) {
50 HDF_LOGE("%s: GetService err", __func__);
51 return HDF_FAILURE;
52 }
53 return HDF_SUCCESS;
54 }
55
acm_open()56 void acm_open()
57 {
58 int status;
59 g_acmService = HdfIoServiceBind("usbfn_cdcacm");
60 if (g_acmService == NULL || g_acmService->dispatcher == NULL || g_acmService->dispatcher->Dispatch == NULL) {
61 HDF_LOGE("%s: GetService err", __func__);
62 }
63 g_data = HdfSBufObtainDefaultSize();
64 g_reply = HdfSBufObtainDefaultSize();
65 if (g_data == NULL || g_reply == NULL) {
66 HDF_LOGE("%s: GetService err", __func__);
67 }
68 status = g_acmService->dispatcher->Dispatch(&g_acmService->object, USB_SERIAL_OPEN, g_data, g_reply);
69 if (status) {
70 HDF_LOGE("%s: Dispatch USB_SERIAL_OPEN err", __func__);
71 }
72 }
73
acm_close()74 void acm_close()
75 {
76 int status;
77 if (check_service()) {
78 HDF_LOGE("%s: GetService err", __func__);
79 return;
80 }
81 status = g_acmService->dispatcher->Dispatch(&g_acmService->object, USB_SERIAL_CLOSE, g_data, g_reply);
82 if (status) {
83 HDF_LOGE("%s: Dispatch USB_SERIAL_CLOSE err", __func__);
84 }
85 HdfSBufRecycle(g_data);
86 HdfSBufRecycle(g_reply);
87 HdfIoServiceRecycle(g_acmService);
88 }
89
acm_write(const char * buf)90 void acm_write(const char *buf)
91 {
92 if (check_service()) {
93 HDF_LOGE("%s: GetService err", __func__);
94 return;
95 }
96 HdfSbufFlush(g_data);
97 (void)HdfSbufWriteString(g_data, buf);
98 int status = g_acmService->dispatcher->Dispatch(&g_acmService->object, USB_SERIAL_WRITE, g_data, g_reply);
99 if (status <= 0) {
100 HDF_LOGE("%s: Dispatch USB_SERIAL_WRITE failed status = %d", __func__, status);
101 return;
102 }
103 printf("acm_write:%s\n", buf);
104 }
105
acm_read(char * str,int timeout)106 void acm_read(char *str, int timeout)
107 {
108 int ret;
109 uint32_t maxLen = 256;
110 if (check_service()) {
111 HDF_LOGE("%s: GetService err", __func__);
112 return;
113 }
114 while (timeout-- > 0) {
115 HdfSbufFlush(g_reply);
116 int status = g_acmService->dispatcher->Dispatch(&g_acmService->object, USB_SERIAL_READ, g_data, g_reply);
117 if (status) {
118 HDF_LOGE("%s: Dispatch USB_SERIAL_READ failed status = %d", __func__, status);
119 return;
120 }
121 const char *tmp = HdfSbufReadString(g_reply);
122 if (str && tmp && strlen(tmp) > 0) {
123 ret = memcpy_s(str, maxLen, tmp, strlen(tmp));
124 if (ret != EOK) {
125 HDF_LOGE("%s:%d ret=%d memcpy_s error", ret);
126 }
127 printf("acm_read:%s\n", tmp);
128 return;
129 }
130 sleep(1);
131 }
132 }
133
acm_prop_regist(const char * propName,const char * propValue)134 void acm_prop_regist(const char *propName, const char *propValue)
135 {
136 if (check_service()) {
137 HDF_LOGE("%s: GetService err", __func__);
138 return;
139 }
140 HdfSbufFlush(g_data);
141 (void)HdfSbufWriteString(g_data, propName);
142 (void)HdfSbufWriteString(g_data, propValue);
143 int status = g_acmService->dispatcher->Dispatch(&g_acmService->object, USB_SERIAL_REGIST_PROP, g_data, g_reply);
144 if (status) {
145 HDF_LOGE("%s: Dispatch USB_SERIAL_WRITE failed status = %d", __func__, status);
146 return;
147 }
148 printf("prop_regist:%s = %s\n", propName, propValue);
149 }
150
acm_prop_write(const char * propName,const char * propValue)151 void acm_prop_write(const char *propName, const char *propValue)
152 {
153 if (check_service()) {
154 HDF_LOGE("%s: GetService err", __func__);
155 return;
156 }
157 HdfSbufFlush(g_data);
158 HdfSbufFlush(g_reply);
159 (void)HdfSbufWriteString(g_data, propName);
160 (void)HdfSbufWriteString(g_data, propValue);
161 if (g_acmService == NULL || g_acmService->dispatcher == NULL || g_acmService->dispatcher->Dispatch == NULL) {
162 HDF_LOGE("%s: GetService err", __func__);
163 }
164 int status = g_acmService->dispatcher->Dispatch(&g_acmService->object, USB_SERIAL_SET_PROP, g_data, g_reply);
165 if (status) {
166 HDF_LOGE("%s: Dispatch USB_SERIAL_WRITE failed status = %d", __func__, status);
167 return;
168 }
169 printf("prop_write:%s = %s\n", propName, propValue);
170 }
171
acm_prop_read(const char * propName,char * propValue)172 void acm_prop_read(const char *propName, char *propValue)
173 {
174 uint32_t maxLen = 256;
175 if (check_service()) {
176 HDF_LOGE("%s: GetService err", __func__);
177 return;
178 }
179 HdfSbufFlush(g_data);
180 HdfSbufFlush(g_reply);
181 (void)HdfSbufWriteString(g_data, propName);
182 int status = g_acmService->dispatcher->Dispatch(&g_acmService->object, USB_SERIAL_GET_PROP, g_data, g_reply);
183 if (status) {
184 HDF_LOGE("%s: Dispatch USB_SERIAL_GET_PROP failed status = %d", __func__, status);
185 return;
186 }
187 const char *tmp = HdfSbufReadString(g_reply);
188 if (propValue && tmp && strlen(tmp) > 0) {
189 errno_t err = memcpy_s(propValue, maxLen, tmp, strlen(tmp));
190 if (err != EOK) {
191 HDF_LOGE("%s:%d err=%d memcpy_s error", err);
192 }
193 printf("prop_read:%s\n", tmp);
194 return;
195 }
196 }
197