xref: /OK3568_Linux_fs/external/rkwifibt-app/test/rk_ble_app.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 #include <stdio.h>
2 #include <unistd.h>
3 #include <stdlib.h>
4 #include <string.h>
5 #include <stdbool.h>
6 #include <linux/prctl.h>
7 #include <sys/signalfd.h>
8 #include <sys/socket.h>
9 #include <sys/stat.h>
10 #include <sys/un.h>
11 
12 #include <Rk_wifi.h>
13 #include <RkBtBase.h>
14 #include <RkBle.h>
15 
16 #include "rk_ble_app.h"
17 
18 /* Immediate wifi Service UUID */
19 #define BLE_UUID_SERVICE	"0000180A-0000-1000-8000-00805F9B34FB"
20 #define BLE_UUID_WIFI_CHAR	"00009999-0000-1000-8000-00805F9B34FB"
21 #define BLE_UUID_PROXIMITY	"7B931104-1810-4CBC-94DA-875C8067F845"
22 
23 #define UUID_MAX_LEN 36
24 
25 typedef enum {
26 	RK_BLE_WIFI_State_IDLE = 0,
27 	RK_BLE_WIFI_State_CONNECTTING,
28 	RK_BLE_WIFI_State_SUCCESS,
29 	RK_BLE_WIFI_State_FAIL,
30 	RK_BLE_WIFI_State_WRONGKEY_FAIL,
31 	RK_BLE_WIFI_State_DISCONNECT
32 } RK_BLE_WIFI_State_e;
33 
34 const char *MSG_BLE_WIFI_LIST_FORMAT = "{\"cmd\":\"wifilists\", \"ret\":%s}";
35 
36 static unsigned char rk_wifi_list_buf[20 * 1024];
37 static int scanr_len = 0, scanr_len_use = 0;
38 
39 static pthread_t wificonfig_tid = 0;
40 static pthread_t wificonfig_scan_tid = 0;
41 
42 static char wifi_ssid[256];
43 static char wifi_password[256];
44 
45 static unsigned int ble_mtu = 0;
46 
47 struct wifi_config {
48 	char ssid[512];
49 	int ssid_len;
50 	char psk[512];
51 	int psk_len;
52 	char key_mgmt[512];
53 	int key_len;
54 	bool hide;
55 	void (*wifi_status_callback)(int status, int reason);
56 };
57 
58 static struct wifi_config wifi_cfg;
59 typedef int (*RK_blewifi_state_callback)(RK_BLE_WIFI_State_e state);
60 
61 #define RK_BLE_DATA_CMD_LEN      12
62 #define RK_BLE_DATA_SSID_LEN     32
63 #define RK_BLE_DATA_PSK_LEN      32
64 
65 /* 消息开头必须为0x01,结尾必须为0x04 */
66 typedef struct {
67 	unsigned char start;               // 段, 01Byte, 固定为 0x01
68 	char cmd[RK_BLE_DATA_CMD_LEN];     // 段, 12Byte, 值为:"wifisetup"、"wifilists"
69 	char ssid[RK_BLE_DATA_SSID_LEN];   // 段, 32Byte, 需要连接的 WiFi ssid, 长度不足 32 的部分填充 0
70 	char psk[RK_BLE_DATA_PSK_LEN];     // 段, 32Byte, 需要连接的 wifi password, 长度不足 32 的部分填充 0
71 	//unsigned char end;               // 段, 01Byte, 固定位 0x04
72 } RockChipBleData;
73 
74 typedef struct {
75 	uint8_t data[6];
76 } mac_t;
77 
78 typedef struct {
79 	uint8_t data[16];
80 } uuid128_t;
81 
_rk_ble_status_cb(const char * bd_addr,const char * name,RK_BLE_STATE state)82 void _rk_ble_status_cb(const char *bd_addr, const char *name, RK_BLE_STATE state)
83 {
84 	switch (state) {
85 		case RK_BLE_STATE_IDLE:
86 			printf("[RK] ble status: RK_BLE_STATE_IDLE\n");
87 			break;
88 		case RK_BLE_STATE_CONNECT:
89 			printf("[RK] ble status: RK_BLE_STATE_CONNECT\n");
90 			break;
91 		case RK_BLE_STATE_DISCONNECT:
92 			printf("[RK] ble status: RK_BLE_STATE_DISCONNECT\n");
93 			ble_mtu = 0;
94 			break;
95 	}
96 }
97 
_rk_ble_mtu_callback(const char * bd_addr,unsigned int mtu)98 static void _rk_ble_mtu_callback(const char *bd_addr, unsigned int mtu)
99 {
100 	printf("=== %s: bd_addr: %s, mtu: %d ===\n", __func__, bd_addr, mtu);
101 	ble_mtu = mtu;
102 }
103 
rk_blewifi_state_callback(RK_WIFI_RUNNING_State_e state,RK_WIFI_INFO_Connection_s * info)104 static int rk_blewifi_state_callback(RK_WIFI_RUNNING_State_e state, RK_WIFI_INFO_Connection_s *info)
105 {
106 	uint8_t ret = 0;
107 
108 	printf("[RK] %s state: %d\n", __func__, state);
109 	switch(state) {
110 		case RK_WIFI_State_CONNECTED:
111 			ret = 0x1;
112 			break;
113 		case RK_WIFI_State_CONNECTFAILED:
114 		case RK_WIFI_State_CONNECTFAILED_WRONG_KEY:
115 			ret = 0x2;
116 			break;
117 	}
118 
119 	if(ret)
120 		rk_ble_write(BLE_UUID_WIFI_CHAR, &ret, 0x1);
121 
122 	return 0;
123 }
124 
rk_config_wifi_thread(void)125 static void *rk_config_wifi_thread(void)
126 {
127 	printf("[RK] rk_config_wifi_thread\n");
128 
129 	prctl(PR_SET_NAME,"rk_config_wifi_thread");
130 
131 	RK_wifi_register_callback(rk_blewifi_state_callback);
132 	RK_wifi_enable(0);
133 	RK_wifi_enable(1);
134 	RK_wifi_connect(wifi_cfg.ssid, wifi_cfg.psk);
135 	return NULL;
136 }
137 
rk_ble_send_data(void)138 static void rk_ble_send_data(void)
139 {
140 	int len, send_max_len = BT_ATT_DEFAULT_LE_MTU;
141 	uint8_t *data;
142 
143 	if (scanr_len == 0) {
144 		scanr_len_use = 0;
145 		printf("[RK] NO WIFI SCAN_R OR READ END!!!\n");
146 		return;
147 	}
148 
149 	prctl(PR_SET_NAME,"rk_ble_send_data");
150 
151 	if(ble_mtu > BT_ATT_HEADER_LEN)
152 		send_max_len = ble_mtu;
153 
154 	send_max_len -= BT_ATT_HEADER_LEN;
155 	if(send_max_len > BT_ATT_MAX_VALUE_LEN)
156 		send_max_len = BT_ATT_MAX_VALUE_LEN;
157 
158 	while (scanr_len) {
159 		printf("[RK] %s: wifi use: %d, remain len: %d\n", __func__, scanr_len_use, scanr_len);
160 		len = (scanr_len > send_max_len) ? send_max_len : scanr_len;
161 		data = rk_wifi_list_buf + scanr_len_use;
162 		usleep(100000);
163 		rk_ble_write(BLE_UUID_WIFI_CHAR, data, len);
164 		scanr_len -= len;
165 		scanr_len_use += len;
166 	}
167 }
168 
_rk_ble_recv_data_cb(const char * uuid,char * data,int len)169 void _rk_ble_recv_data_cb(const char *uuid, char *data, int len)
170 {
171 	if (!strcmp(uuid, BLE_UUID_WIFI_CHAR)) {
172 		uint8_t str[512];
173 		RockChipBleData *ble_data;
174 		char *wifilist;
175 		unsigned char end_flag = 0;
176 
177 		memset(str, 0, 512);
178 		memcpy(str, data, len);
179 		str[len] = '\0';
180 		end_flag = str[len - 1];
181 
182 		printf("[RK] chr_write_value: %p, %d, data: %s\n", data, len, data);
183 
184 		for (int i = 0; i < len; i++) {
185 			if (!( i % 8))
186 				printf("\n");
187 			printf("0x%02x ", str[i]);
188 		}
189 		printf("\n");
190 
191 		ble_data = (RockChipBleData *)str;
192 
193 		/* Msg is valid? */
194 		printf("[RK] ble_data.cmd: %s, ble_data.start: %d, ble_data.end: %d\n",
195 			ble_data->cmd, ble_data->start, end_flag);
196 		if ((ble_data->start != 0x1) || (end_flag != 0x4)) {
197 			printf("[RK] BLE RECV DATA ERROR !!!\n");
198 			return;
199 		}
200 
201 		if (strncmp(ble_data->cmd, "wifilists", 9) == 0) {
202 scan_retry:
203 			printf("[RK] RK_wifi_scan ...\n");
204 			RK_wifi_scan();
205 			usleep(800000);
206 
207 			printf("[RK] RK_wifi_scan_r_sec ...\n");
208 			wifilist = RK_wifi_scan_r_sec(0x14);
209 			printf("[RK] RK_wifi_scan_r_sec end wifilist: %p\n", wifilist);
210 
211 			if (wifilist == NULL)
212 				goto scan_retry;
213 			if (wifilist && (strlen(wifilist) < 3)) {
214 				free(wifilist);
215 				goto scan_retry;
216 			}
217 
218 			memset(rk_wifi_list_buf, 0, sizeof(rk_wifi_list_buf));
219 			snprintf(rk_wifi_list_buf, sizeof(rk_wifi_list_buf), MSG_BLE_WIFI_LIST_FORMAT, wifilist);
220 			scanr_len = strlen(rk_wifi_list_buf);
221 			scanr_len_use = 0;
222 			printf("[RK] wifi scan_r: %s, len: %d\n", rk_wifi_list_buf, scanr_len);
223 
224 			free(wifilist);
225 			pthread_create(&wificonfig_scan_tid, NULL, rk_ble_send_data, NULL);
226 		} else if (strncmp(ble_data->cmd, "wifisetup", 9) == 0) {
227 			strcpy(wifi_ssid, ble_data->ssid); // str + 20);
228 			strcpy(wifi_password, ble_data->psk); // str + 52);
229 
230 			printf("[RK] wifi ssid is %s\n", wifi_ssid);
231 			printf("[RK] wifi psk is %s\n", wifi_password);
232 
233 			strcpy(wifi_cfg.ssid, wifi_ssid);
234 			strcpy(wifi_cfg.psk, wifi_password);
235 			//wifi_cfg.wifi_status_callback = wifi_status_callback;
236 			pthread_create(&wificonfig_tid, NULL, rk_config_wifi_thread, NULL);
237 		}
238 	}
239 }
240 
_rk_ble_request_data_cb(const char * uuid,char * data,int len)241 void _rk_ble_request_data_cb(const char *uuid, char *data, int len)
242 {
243 	printf("=== %s uuid: %s===\n", __func__, uuid);
244 
245 	//len <= mtu(g_mtu)
246 	len = sizeof("hello rockchip");
247 	memcpy(data, "hello rockchip", len);
248 
249 	return;
250 }
251 
252 static unsigned char bt_is_on = 0;
rk_bt_state_cb(RK_BT_STATE state)253 static void rk_bt_state_cb(RK_BT_STATE state)
254 {
255 	switch(state) {
256 	case RK_BT_STATE_TURNING_ON:
257 		printf("RK_BT_STATE_TURNING_ON\n");
258 		break;
259 	case RK_BT_STATE_ON:
260 		bt_is_on = 1;
261 		printf("RK_BT_STATE_ON\n");
262 		break;
263 	case RK_BT_STATE_TURNING_OFF:
264 		printf("RK_BT_STATE_TURNING_OFF\n");
265 		break;
266 	case RK_BT_STATE_OFF:
267 		bt_is_on = 0;
268 		printf("RK_BT_STATE_OFF\n");
269 		break;
270 	}
271 }
272 
rk_ble_wifi_init(void * data)273 void rk_ble_wifi_init(void *data)
274 {
275 	RkBtContent bt_content;
276 
277 	printf("===== %s =====\n", __func__);
278 
279 	//MUST TO SET 0
280 	memset(&bt_content, 0, sizeof(RkBtContent));
281 	bt_content.bt_name = strdup("RockChip");
282 	bt_content.ble_content.ble_name = strdup("RockChipBle");
283 	bt_content.ble_content.server_uuid.uuid = BLE_UUID_SERVICE;
284 	bt_content.ble_content.server_uuid.len = UUID_128;
285 	bt_content.ble_content.chr_uuid[0].uuid = BLE_UUID_WIFI_CHAR;
286 	bt_content.ble_content.chr_uuid[0].len = UUID_128;
287 	bt_content.ble_content.chr_cnt = 1;
288 	bt_content.ble_content.cb_ble_recv_fun = _rk_ble_recv_data_cb;
289 	bt_content.ble_content.cb_ble_request_data = _rk_ble_request_data_cb;
290 	bt_content.ble_content.advDataType = BLE_ADVDATA_TYPE_SYSTEM;
291 	bt_is_on = 0;
292 
293 	rk_ble_register_status_callback(_rk_ble_status_cb);
294 	rk_bt_register_state_callback(rk_bt_state_cb);
295 	rk_bt_init(&bt_content);
296 
297 	while (!bt_is_on)
298 		sleep(1);
299 
300 	printf(">>>>> Start ble ....\n");
301 	rk_ble_register_mtu_callback(_rk_ble_mtu_callback);
302 	rk_ble_start(&bt_content.ble_content);
303 }
304 
rk_ble_wifi_deinit(void * data)305 void rk_ble_wifi_deinit(void *data)
306 {
307 	ble_mtu = 0;
308 	rk_ble_stop();
309 	sleep(3);
310 	rk_bt_deinit();
311 }
312