MIKROE-2274

Page 1 of 2 WiFi 5 click From MikroElektonika Documentation WiFi 5 click carries Gainspan’s GS1500M ultra low-power Wi-Fi module with a PCB trace antenna (external IPX antenna connector also available). GS1500M supports Wi-Fi PHY speeds of up to 72.2mbps. The module is fully compliant with both IEEE 802.11b/g/n as well as with the requirements of the Wi-Fi alliance. Security features include support for WEP/WPA/WPA2, Adhoc and WPS (Wi-Fi protected setup). On the hardware side, the GS1500M module comprises two ARM7 44MHz chips (one for the radio, the other for applications), as well as on-chip Flash and SRAM. WiFi 5 click communicates with the target MCU through the mikroBUS™ UART interface (TX, RX), with additional functionality provided by RST and Prog pins (the latter in place of default mikroBUS™ AN pin). WiFi 5 click Features and usage notes Schematic also available in PDF (http://cdndocs.mikroe.com/images/3/33/WiFi_5_click_schemat WiFi 5 click is a good choice for hobbyists. The Gainspan’s GS1500M has features on par with more expensive WiFi modules, but since it’s no longer in production, it’s not suitable for prototypes intended for serial production. WiFi 5 click is priced accordingly. The integrated firmware provides Wi-Fi and networking stack services (TCP/UDP/IP, HTTP, DNS, DHCP, SSL). WiFi 5 click IC/Module Gainspan GS1500M (https://s3.amazonaws.com/site_support/uploads/document_upload/GS1500MPB.pdf) Interface UART (TX, RX), RST, Prog Power supply 3.3V Website www.mikroe.com/click/wifi-5 (http://www.mikroe.com/click/wifi-5) The following security protocols are supported: WEP, 802.11i WPA/WPA2 Personal Security (AES and TKIP), Enterprise Security (EAP-FAST, EAP-TLS, EAP-TTLS, PEAP). Typical RF output power is 14dBm (802.11b), 12dBm (802.11n). Note that GSM1500M is well suited for battery-powered applications due to its multiple power saving mode (standby, sleep, deep sleep) Data rates of up to 921.6kbps can be achieved through the UART interface. Programming This snippet demonstrates WiFi5 click connecting to a local network (mikroe public) and fetches weather data from a web site. 1 void main() 2 { 3 // initialize the UART for monitoring the program 4 UART1_Init_Advanced( 9600, _UART_8_BIT_DATA, 5 _UART_NOPARITY, 6 _UART_ONE_STOPBIT, 7 &_GPIO_MODULE_USART1_PA9_10 ); 8 Delay_ms(300); 9 UART1_Write_Text("Uart initialized\r\n"); 10 Delay_ms(5000); 11 // initialize the UART for communication between the MCU and the WiFi 5 Click 12 UART3_Init_Advanced( 9600, _UART_8_BIT_DATA, 13 _UART_NOPARITY, 14 _UART_ONE_STOPBIT, 15 &_GPIO_MODULE_USART3_PD89); 16 17 Delay_ms(5000); 18 19 20 UART1_Write_Text("Uarts ready\r\n"); 21 22 Delay_ms(1000); 23 24 // set up the UART interrupt 25 RXNEIE_USART3_CR1_bit = 1; 26 NVIC_IntEnable( IVT_INT_USART3 ); 27 EnableInterrupts(); 28 Page 2 of 2 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 // clear the buffer and the flags, setting them ready for the program to start clear_serial_buffer(); flags_false(); UART3_WRITE_TEXT("AT+WPAPSK=MikroE Public,mikroe.guest\r\n"); // compute the PSK from SSID and PassPhrase while(response_finished == false); // wait for the "OK" response UART1_WRITE_TEXT(serial_buffer); // print out the response clear_serial_buffer(); flags_false(); Delay_ms(300); UART3_WRITE_TEXT("AT+WA=MikroE Public\r\n"); while (response_finished == false); // clear the buffer and flags UART1_WRITE_TEXT(serial_buffer); // Print out the response clear_serial_buffer(); flags_false(); UART3_WRITE_TEXT("at+httpopen=api.openweathermap.org\r\n"); while (response_finished == false); // open the api.openweathermap.org web page // wait for the "OK" response UART1_WRITE_TEXT(serial_buffer); // print out the buffer clear_serial_buffer(); flags_false(); // clear the buffer and the flags // try to connect to MikroE Public network // wait for the "OK" response // clear the buffer and flags Code examples that demonstrate the usage of WiFi 5 click with MikroElektronika hardware, written for mikroC for FT90x and ARM are available on Libstock (http://libstock.mikroe.com/projects/view/1787/wifi-5-click). Resources - GS1500M product brief (https://s3.amazonaws.com/site_support/uploads/document_upload/GS1500M-PB.pdf) - GainSpan product page (http://www.gainspan.com/products/gs1500m)docs - Access the world wide web easily with WiFi 5 click (http://learn.mikroe.com/access-world-wide-web-easily-wifi-5-click/) – tutorial at learn.mikroe.com - WiFi 5 click code examples on Libstock (http://libstock.mikroe.com/projects/view/1787/wifi-5-click) - mikroBUS standard specifications (http://download.mikroe.com/documents/standards/mikrobus/mikrobus-standard-specification-v200.pdf) Retrieved from "http://docs.mikroe.com/index.php?title=WiFi_5_click&oldid=322" ◾ This page was last modified on 19 May 2016, at 18:18. ◾ Content is available under Creative Commons Attribution unless otherwise noted. http://docs.mikroe.com/index.php?title=WiFi_5_click&printable=yes 6/15/2016