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WIFU
Dependencies: DISCO_L475VG_IOT01A_wifi
main.cpp
- Committer:
- peng103617
- Date:
- 2019-12-04
- Revision:
- 4:5faac3e1e099
- Parent:
- 2:9a54ede37c7e
File content as of revision 4:5faac3e1e099:
#include "mbed.h" #include "wifi.h" /*------------------------------------------------------------------------------ Hyperterminal settings: 115200 bauds, 8-bit data, no parity This example - connects to a wifi network (SSID & PWD to set in mbed_app.json) - Connects to a TCP server (set the address in RemoteIP) - Sends "Hello" to the server when data is received This example uses SPI3 ( PE_0 PC_10 PC_12 PC_11), wifi_wakeup pin (PB_13), wifi_dataready pin (PE_1), wifi reset pin (PE_8) ------------------------------------------------------------------------------*/ /* Private defines -----------------------------------------------------------*/ #define WIFI_WRITE_TIMEOUT 10000 #define WIFI_READ_TIMEOUT 10000 #define CONNECTION_TRIAL_MAX 10 /* Private typedef------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ Serial pc(SERIAL_TX, SERIAL_RX); uint8_t RemoteIP[] = {MBED_CONF_APP_SERVER_IP_1,MBED_CONF_APP_SERVER_IP_2,MBED_CONF_APP_SERVER_IP_3, MBED_CONF_APP_SERVER_IP_4}; uint8_t RxData [500]; char* modulename; uint8_t TxData[] = "STM32 : Hello!\n"; uint16_t RxLen; uint8_t MAC_Addr[6]; uint8_t IP_Addr[4]; int main() { int32_t Socket = -1; uint16_t Datalen; uint16_t Trials = CONNECTION_TRIAL_MAX; pc.baud(115200); printf("\n"); printf("************************************************************\r\n"); printf("*** STM32 IoT Discovery kit for STM32L475 MCU ***\r\n"); printf("*** WIFI Module in TCP Client mode demonstration ***\r\n"); printf("*** TCP Client Instructions :\r\n"); printf("*** 1- Make sure your Phone is connected to the same network that\r\n"); printf("*** you configured using the Configuration Access Point.\r\n"); printf("*** 2- Create a server by using the android application TCP Server\r\n"); printf("*** with port(8002).\n"); printf("*** 3- Get the Network Name or IP Address of your phone from the step 2.\r\n"); printf("************************************************************\r\n"); /*Initialize WIFI module */ if(WIFI_Init() == WIFI_STATUS_OK) { printf("> WIFI Module Initialized.\r\n"); if(WIFI_GetMAC_Address(MAC_Addr) == WIFI_STATUS_OK) { printf("> es-wifi module MAC Address : %X:%X:%X:%X:%X:%X\r\n", MAC_Addr[0], MAC_Addr[1], MAC_Addr[2], MAC_Addr[3], MAC_Addr[4], MAC_Addr[5]); } else { printf("> ERROR : CANNOT get MAC address\r\n"); } if( WIFI_Connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, WIFI_ECN_WPA2_PSK) == WIFI_STATUS_OK) { printf("> es-wifi module connected \r\n"); if(WIFI_GetIP_Address(IP_Addr) == WIFI_STATUS_OK) { printf("> es-wifi module got IP Address : %d.%d.%d.%d\r\n", IP_Addr[0], IP_Addr[1], IP_Addr[2], IP_Addr[3]); printf("> Trying to connect to Server: %d.%d.%d.%d:8002 ...\r\n", RemoteIP[0], RemoteIP[1], RemoteIP[2], RemoteIP[3]); while (Trials--){ if( WIFI_OpenClientConnection(0, WIFI_TCP_PROTOCOL, "TCP_CLIENT", RemoteIP, 8002, 0) == WIFI_STATUS_OK){ printf("> TCP Connection opened successfully.\r\n"); Socket = 0; } } if(!Trials) { printf("> ERROR : Cannot open Connection\r\n"); } } else { printf("> ERROR : es-wifi module CANNOT get IP address\r\n"); } } else { printf("> ERROR : es-wifi module NOT connected\r\n"); } } else { printf("> ERROR : WIFI Module cannot be initialized.\r\n"); } while(1){ if(Socket != -1) { printf("Socket sent\r\n"); if(WIFI_SendData(Socket, TxData, sizeof(TxData), &Datalen, WIFI_WRITE_TIMEOUT) != WIFI_STATUS_OK) { printf("> ERROR : Failed to send Data.\r\n"); } /* if(WIFI_ReceiveData(Socket, RxData, sizeof(RxData), &Datalen, WIFI_READ_TIMEOUT) == WIFI_STATUS_OK){ if(Datalen > 0) { if(WIFI_SendData(Socket, TxData, sizeof(TxData), &Datalen, WIFI_WRITE_TIMEOUT) != WIFI_STATUS_OK) { printf("> ERROR : Failed to send Data.\r\n"); } } } else { printf("> ERROR : Failed to Receive Data.\r\n"); } */ } } }