Oleg Goncharovskiy / WiFi_modem_8266

Transmit data over WiFi modem

ESP_8266.h@0:0b46638559b3, 2019-06-13 (annotated)

Committer:
docent
Date:
Thu Jun 13 13:49:26 2019 +0000
Revision:
0:0b46638559b3
To my students 13.06.2019

Who changed what in which revision?

UserRevisionLine numberNew contents of line
docent 0:0b46638559b3 1 #ifndef ESP_8266_h
docent 0:0b46638559b3 2 #define ESP_8266_h
docent 0:0b46638559b3 3 #include "mbed.h"
docent 0:0b46638559b3 4
docent 0:0b46638559b3 5 const uint16_t RXWIFI_BUFFER_SIZE = 256*5;
docent 0:0b46638559b3 6 typedef struct {
docent 0:0b46638559b3 7 char IPaddr[16];
docent 0:0b46638559b3 8 char UDPport[8];
docent 0:0b46638559b3 9 volatile uint16_t in; // Circular buffer pointers, volatile makes read-modify-write atomic
docent 0:0b46638559b3 10 uint8_t event;
docent 0:0b46638559b3 11 uint8_t app;
docent 0:0b46638559b3 12 uint8_t answer;
docent 0:0b46638559b3 13 uint8_t ipd;
docent 0:0b46638559b3 14 uint8_t cipdinfo;
docent 0:0b46638559b3 15 int len;
docent 0:0b46638559b3 16 char buffer[RXWIFI_BUFFER_SIZE]; //1280
docent 0:0b46638559b3 17 } RxWiFi_t;
docent 0:0b46638559b3 18
docent 0:0b46638559b3 19 void WriteWiFi(uint8_t *sbuf, int len);
docent 0:0b46638559b3 20 void WiFiDataProcessing();
docent 0:0b46638559b3 21 void IniWiFi(Serial *pwifi,DigitalOut *pCH_PD,DigitalOut *pled);//IniWiFi();
docent 0:0b46638559b3 22 void SendResponseWiFi();
docent 0:0b46638559b3 23
docent 0:0b46638559b3 24 uint8_t wifi_executeCallback(char *buffer);
docent 0:0b46638559b3 25 void pc_printfCallback(char *buffer);
docent 0:0b46638559b3 26 void ResponseWiFiCallback(char *data,uint8_t answer);
docent 0:0b46638559b3 27
docent 0:0b46638559b3 28 extern RxWiFi_t rx_wifi;
docent 0:0b46638559b3 29
docent 0:0b46638559b3 30 /************************************************************************************************
docent 0:0b46638559b3 31 * EXAMPLE *
docent 0:0b46638559b3 32 * !!!!!!!!!!!!!!!!!!! Befor connection with AP, set AT+CWMODE_DEF=1 !!!!!!!!!!!!!!!!!!!!!*
docent 0:0b46638559b3 33 *************************************************************************************************/
docent 0:0b46638559b3 34 /*
docent 0:0b46638559b3 35 #include "mbed.h"
docent 0:0b46638559b3 36
docent 0:0b46638559b3 37 #include "ESP_8266.h"
docent 0:0b46638559b3 38 const int buffer_size = 255; // might need to increase buffer size for high baud rates
docent 0:0b46638559b3 39
docent 0:0b46638559b3 40 typedef struct {
docent 0:0b46638559b3 41 volatile uint8_t in; // Circular buffer pointers, volatile makes read-modify-write atomic
docent 0:0b46638559b3 42 uint8_t event;
docent 0:0b46638559b3 43 uint8_t app;
docent 0:0b46638559b3 44 uint8_t answer;
docent 0:0b46638559b3 45 char buffer[buffer_size];
docent 0:0b46638559b3 46 } RxPc;
docent 0:0b46638559b3 47
docent 0:0b46638559b3 48 //@************************************************************************
docent 0:0b46638559b3 49 //@* Interface *
docent 0:0b46638559b3 50 //@************************************************************************
docent 0:0b46638559b3 51 Serial wifi_modem(PB_6,PB_7);
docent 0:0b46638559b3 52 DigitalOut CH_PD(PA_8);
docent 0:0b46638559b3 53 DigitalOut wifi_led(LED1);
docent 0:0b46638559b3 54
docent 0:0b46638559b3 55 CH_PD=0;
docent 0:0b46638559b3 56 IniWiFi(&wifi_modem,&CH_PD,&wifi_led);
docent 0:0b46638559b3 57
docent 0:0b46638559b3 58
docent 0:0b46638559b3 59 //@************************************************************************
docent 0:0b46638559b3 60 //@* Global variables *
docent 0:0b46638559b3 61 //@************************************************************************
docent 0:0b46638559b3 62
docent 0:0b46638559b3 63 RxWiFi_t rx_wifi;
docent 0:0b46638559b3 64
docent 0:0b46638559b3 65 //@************************************************************************
docent 0:0b46638559b3 66 //@* functions *
docent 0:0b46638559b3 67 //@************************************************************************
docent 0:0b46638559b3 68 void WriteWiFi(uint8_t *sbuf, int len);
docent 0:0b46638559b3 69 void WiFiDataProcessing();
docent 0:0b46638559b3 70 void IniWiFi(Serial *pwifi,DigitalOut *pCH_PD,DigitalOut *pled);//IniWiFi();
docent 0:0b46638559b3 71 void SendResponseWiFi();
docent 0:0b46638559b3 72
docent 0:0b46638559b3 73 uint8_t wifi_executeCallback(char *buffer);
docent 0:0b46638559b3 74 void pc_printfCallback(char *buffer);
docent 0:0b46638559b3 75 void ResponseWiFiCallback(char *data,uint8_t answer);
docent 0:0b46638559b3 76
docent 0:0b46638559b3 77 //@************************************************************************
docent 0:0b46638559b3 78 //@* main *
docent 0:0b46638559b3 79 //@************************************************************************
docent 0:0b46638559b3 80
docent 0:0b46638559b3 81 while(1) {
docent 0:0b46638559b3 82 ...................
docent 0:0b46638559b3 83 WiFiDataProcessing();
docent 0:0b46638559b3 84 SendResponseWiFi();
docent 0:0b46638559b3 85 ..................
docent 0:0b46638559b3 86 }
docent 0:0b46638559b3 87
docent 0:0b46638559b3 88 //@***********************************************************************
docent 0:0b46638559b3 89 //@* CALLBACK *
docent 0:0b46638559b3 90 //@***********************************************************************
docent 0:0b46638559b3 91 void pc_printfCallback(char *buffer)
docent 0:0b46638559b3 92 {
docent 0:0b46638559b3 93 pc.printf("%s",buffer);
docent 0:0b46638559b3 94 }
docent 0:0b46638559b3 95
docent 0:0b46638559b3 96 //--------------------------------------------------
docent 0:0b46638559b3 97 void ResponseWiFiCallback(char *data,uint8_t answer)
docent 0:0b46638559b3 98 {
docent 0:0b46638559b3 99 Response(answer,data);
docent 0:0b46638559b3 100 //---------------------information feedback -----------------
docent 0:0b46638559b3 101 //if(data[0]=='0')
docent 0:0b46638559b3 102 // rx_wifi.answer=0;
docent 0:0b46638559b3 103 }
docent 0:0b46638559b3 104
docent 0:0b46638559b3 105 //---------------------------------------
docent 0:0b46638559b3 106 uint8_t wifi_executeCallback(char *buffer)
docent 0:0b46638559b3 107 {
docent 0:0b46638559b3 108 WIFI_exist=1;
docent 0:0b46638559b3 109 PC_exist=0;
docent 0:0b46638559b3 110 return execute(buffer);
docent 0:0b46638559b3 111 }
docent 0:0b46638559b3 112 */
docent 0:0b46638559b3 113
docent 0:0b46638559b3 114 #endif