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BAI 5 - THIET LAP CHUC NANG THU PHAT WIFI TREN ESP8266.pdf
- 1. 12/09/2021 1 I畛N THNG MINH E-SMART i畛n t畛 th担ng minh dnh cho m畛i ng動畛i
- 2. 12/09/2021 2 Copyright by i畛n th担ng minh E-smart
- 3. 12/09/2021 3 Copyright by i畛n th担ng minh E-smart Accesspoint mode: Ph叩t wifi WiFi.mode(WIFI_AP); Station mode: K畉t n畛i wifi WiFi.mode(WIFI_STA); Accesspoint and Station mode: V畛a ph叩t v畛a k畉t n畛i wifi WiFi.mode(WIFI_AP_STA); WiFi.mode(mode); T畉t wifi: WiFi.mode(WIFI_OFF);
- 4. 12/09/2021 4 Copyright by i畛n th担ng minh E-smart i畛m ph叩t wifi: T棚n truy c畉p M畉t kh畉u C畉u h狸nh wifi
- 5. 12/09/2021 5 Copyright by i畛n th担ng minh E-smart Th棚m th動 vi畛n v khai b叩o bi畉n Thi畉t l畉p ch畉 畛 ph叩t L畛nh ph叩t wifi ch畉 畛 m畉c 畛nh C畉u h狸nh wifi m畉c 畛nh: host_ip: 192.168.4.1 gateway: 192.168.4.1 subnet: 255.255.255.0 1 2 3
- 6. 12/09/2021 6 Copyright by i畛n th担ng minh E-smart WiFi.softAP (ssid); WiFi.softAP (ssid, password ); WiFi.softAP(ssid, password, channel, hidden, max_connection); ssid: T棚n m畉ng wifi s畉 thi畉t l畉p password: m畉t kh畉u truy c畉p channel: k棚nh ph叩t wifi (t畛 1 畉n 13) hidden: ch畉 畛 ph叩t (true->畉n, false->hi畛n) max_connection: s畛 thi畉t b畛 k畉t n畛i t畛i a (0->8) m畉c 畛nh:4
- 7. 12/09/2021 7 Copyright by i畛n th担ng minh E-smart WiFi.softAPConfig(staticip, gateway, subnet); staticip: 畛a ch畛 ip c畛a i畛m truy c畉p gateway: 畛a ch畛 ip c畛a gateway subnet: subnet mask
- 8. 12/09/2021 8 Copyright by i畛n th担ng minh E-smart WiFi.softAPgetStationNum(); Hi畛n th畛 s畛 thi畉t b畛 k畉t n畛i WiFi.softAPdisconnect(); WiFi.softAPIP(); L畉y 畛a ch畛 ip host i畛m truy c畉p softAP ssid v password s畉 chuy畛n thnh gi叩 tr畛 null Th畛c hi畛n ng畉t k畉t n畛i v t畉t ch畉 畛 softAP
- 9. 12/09/2021 9 Copyright by i畛n th担ng minh E-smart i畛m ph叩t wifi: T棚n truy c畉p M畉t kh畉u IP gateway Subnet mask
- 10. 12/09/2021 10 Copyright by i畛n th担ng minh E-smart Th棚m th動 vi畛n v khai b叩o bi畉n Thi畉t l畉p ch畉 畛 k畉t n畛i wifi L畛nh k畉t n畛i wifi ch畉 畛 m畉c 畛nh 1 2 3
- 11. 12/09/2021 11 Copyright by i畛n th担ng minh E-smart Thi畉t l畉p k畉t n畛i: WiFi.begin(ssid); WiFi.begin(ssid, password); WiFi.begin(ssid, password, channel, bssid, connect); ssid: 畛 di t畛i a 32 k箪 t畛 password: 畛 di t畛 8 畉n 64 k箪 t畛 channel: k棚nh s畉 k畉t n畛i bssid: 畛a ch畛 MAC c畛a AP connect: n畉u falsel動u v kh担ng k畉t n畛i Ng畉t k畉t n畛i: WiFi.disconnect(); ssid v password s畉 chuy畛n thnh gi叩 tr畛 null Th畛c hi畛n ng畉t k畉t n畛i 畉n i畛m truy c畉p
- 12. 12/09/2021 12 Copyright by i畛n th担ng minh E-smart WiFi.config(staticip, gateway, subnet, dns1, dns2); staticip: IP t挑nh mu畛n g叩n cho chip esp8266 gateway: IP c畛a gateway (router) 畛 k畉t n畛i ra m畉ng b棚n ngoi subnet: subnet x叩c 畛nh ph畉m vi IP c畛a m畉ng n畛i b畛 dns1, dns2: tham s畛 t湛y ch畛n c畛a m叩y ch畛 ph但n gi畉i t棚n mi畛n L畛nh hi畛n th畛 ip gateway v subnet: WiFi.gatewayIP(); WiFi.subnetMask();
- 13. 12/09/2021 13 Copyright by i畛n th担ng minh E-smart WiFi.status(); 0 : WL_IDLE_STATUS ang thay 畛i tr畉ng th叩i 1 : WL_NO_SSID_AVAIL SSID kh担ng 動畛c t狸m th畉y 3 : WL_CONNECTED K畉t n畛i thnh c担ng 4 : WL_CONNECT_FAILED Sai m畉t kh畉u k畉t n畛i 6 : WL_DISCONNECTED Ch動a thi畉t l畉p ch畉 畛 STA WiFi.isConnected() WiFi.reconnect(); T畛 ng畉t k畉t n畛i v thi畉t l畉p k畉t n畛i l畉i WiFi.localIP(); L畉y 畛a ch畛 ip 達 k畉t n畛i v畛i wifi True: khi ang k畉t n畛i False: khi m畉t k畉t n畛i
- 14. 12/09/2021 14 Copyright by i畛n th担ng minh E-smart
- 15. 12/09/2021 15 Copyright by i畛n th担ng minh E-smart Th棚m th動 vi畛n Thi畉t l畉p ch畉 畛 v畛a ph叩t v畛a k畉t n畛i wifi L畛nh k畉t n畛i wifi 1 2 3 L畛nh ph叩t wifi 4