Shane Kirkbride / Mbed 2 deprecated STM-Client

This is a SLIP interface for the STM32F446RE Nucleo Board. It is designed to work specifically with the esp-link software for the ESP8266. The program is an example of a rest command.

Dependencies:   mbed DHT Matrix

main.cpp@2:20ea1be14e4b, 2016-08-04 (annotated)

Committer:
ShaneKirkbride
Date:
Thu Aug 04 19:44:11 2016 +0000
Revision:
2:20ea1be14e4b
Parent:
1:99c58a942425
Child:
3:8ed85d940c4c
now just posting to posttestserver.com

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ShaneKirkbride 0:70a6082c1bf7 1 /**
ShaneKirkbride 0:70a6082c1bf7 2 * Simple example to demo the STM-Client REST calls
ShaneKirkbride 0:70a6082c1bf7 3 */
ShaneKirkbride 0:70a6082c1bf7 4 #include "mbed.h"
ShaneKirkbride 0:70a6082c1bf7 5 #include <STMClient.h>
ShaneKirkbride 0:70a6082c1bf7 6 #include <STMClientRest.h>
ShaneKirkbride 0:70a6082c1bf7 7
ShaneKirkbride 0:70a6082c1bf7 8 /*-------- Check if platform compatible ----------*/
ShaneKirkbride 0:70a6082c1bf7 9 #if DEVICE_SERIAL_ASYNCH
ShaneKirkbride 0:70a6082c1bf7 10 Serial debugSerial(SERIAL_TX, SERIAL_RX);
ShaneKirkbride 0:70a6082c1bf7 11 Serial espSerial(PA_0, PA_1);
ShaneKirkbride 0:70a6082c1bf7 12 #else
ShaneKirkbride 0:70a6082c1bf7 13 #warning "Platform not compatible with Low Power APIs for Serial"
ShaneKirkbride 0:70a6082c1bf7 14 Serial debugSerial(SERIAL_TX, SERIAL_RX);
ShaneKirkbride 0:70a6082c1bf7 15 Serial espSerial(PA_0, PA_1);
ShaneKirkbride 0:70a6082c1bf7 16 #endif
ShaneKirkbride 0:70a6082c1bf7 17
ShaneKirkbride 0:70a6082c1bf7 18
ShaneKirkbride 0:70a6082c1bf7 19 DigitalOut led1(LED1);
ShaneKirkbride 0:70a6082c1bf7 20
ShaneKirkbride 0:70a6082c1bf7 21 // Initialize a connection to esp-link using the normal hardware serial port both for
ShaneKirkbride 0:70a6082c1bf7 22 // SLIP and for debug messages.
ShaneKirkbride 0:70a6082c1bf7 23 STMClient esp(&espSerial, &debugSerial);
ShaneKirkbride 0:70a6082c1bf7 24
ShaneKirkbride 0:70a6082c1bf7 25
ShaneKirkbride 0:70a6082c1bf7 26 // Initialize a REST client on the connection to esp-link
ShaneKirkbride 0:70a6082c1bf7 27 STMClientRest rest(&esp);
ShaneKirkbride 0:70a6082c1bf7 28
ShaneKirkbride 0:70a6082c1bf7 29 bool wifiConnected = false;
ShaneKirkbride 0:70a6082c1bf7 30
ShaneKirkbride 0:70a6082c1bf7 31 // Callback made from esp-link to notify of wifi status changes
ShaneKirkbride 0:70a6082c1bf7 32 // Here we print something out and set a global flag
ShaneKirkbride 0:70a6082c1bf7 33 void wifiCb(void *response) {
ShaneKirkbride 0:70a6082c1bf7 34 debugSerial.printf("waiting for wifi status...\n\r"); //debug
ShaneKirkbride 0:70a6082c1bf7 35 STMClientResponse *res = (STMClientResponse*)response;
ShaneKirkbride 0:70a6082c1bf7 36 if (res->argc() == 1) {
ShaneKirkbride 0:70a6082c1bf7 37 uint8_t status;
ShaneKirkbride 0:70a6082c1bf7 38 res->popArg(&status, 1);
ShaneKirkbride 0:70a6082c1bf7 39 debugSerial.printf("waiting for wifi status...\n\r");
ShaneKirkbride 0:70a6082c1bf7 40 if(status == STATION_GOT_IP) {
ShaneKirkbride 0:70a6082c1bf7 41 debugSerial.printf("WIFI CONNECTED");
ShaneKirkbride 0:70a6082c1bf7 42 wifiConnected = true;
ShaneKirkbride 0:70a6082c1bf7 43 } else {
ShaneKirkbride 0:70a6082c1bf7 44 debugSerial.printf("WIFI NOT READY: %i",status);
ShaneKirkbride 0:70a6082c1bf7 45 //Serial.printf(status);
ShaneKirkbride 0:70a6082c1bf7 46 wifiConnected = false;
ShaneKirkbride 0:70a6082c1bf7 47 }
ShaneKirkbride 0:70a6082c1bf7 48 }
ShaneKirkbride 0:70a6082c1bf7 49 }
ShaneKirkbride 0:70a6082c1bf7 50
ShaneKirkbride 1:99c58a942425 51 #define BUFLEN 512
ShaneKirkbride 1:99c58a942425 52 char response[BUFLEN];
ShaneKirkbride 0:70a6082c1bf7 53
ShaneKirkbride 1:99c58a942425 54 char *loop_get() {
ShaneKirkbride 0:70a6082c1bf7 55 //debugSerial.printf("begin main loop \n\r");
ShaneKirkbride 0:70a6082c1bf7 56 // process any callbacks coming from esp_link
ShaneKirkbride 0:70a6082c1bf7 57 esp.Process();
ShaneKirkbride 0:70a6082c1bf7 58 debugSerial.printf("Wifi Connected: %i \n\r",wifiConnected);
ShaneKirkbride 0:70a6082c1bf7 59 // if we're connected make an HTTP request
ShaneKirkbride 0:70a6082c1bf7 60 while(wifiConnected) {
ShaneKirkbride 0:70a6082c1bf7 61 // Request /utc/now from the previously set-up server
ShaneKirkbride 0:70a6082c1bf7 62 rest.get("/utc/now");
ShaneKirkbride 0:70a6082c1bf7 63
ShaneKirkbride 1:99c58a942425 64 //char response[BUFLEN];
ShaneKirkbride 0:70a6082c1bf7 65 memset(response, 0, BUFLEN);
ShaneKirkbride 0:70a6082c1bf7 66 uint16_t code = rest.waitResponse(response, BUFLEN);
ShaneKirkbride 0:70a6082c1bf7 67 if(code == HTTP_STATUS_OK){
ShaneKirkbride 0:70a6082c1bf7 68 debugSerial.printf("STM: GET successful: %s\n\r", response);
ShaneKirkbride 1:99c58a942425 69 wait(60);
ShaneKirkbride 1:99c58a942425 70 return response;
ShaneKirkbride 0:70a6082c1bf7 71 } else {
ShaneKirkbride 0:70a6082c1bf7 72 debugSerial.printf("STM: GET failed: %i\n\r",code);
ShaneKirkbride 1:99c58a942425 73 wait(60);
ShaneKirkbride 1:99c58a942425 74 return (char *)code;
ShaneKirkbride 1:99c58a942425 75 }
ShaneKirkbride 1:99c58a942425 76 }
ShaneKirkbride 1:99c58a942425 77 return "0";
ShaneKirkbride 1:99c58a942425 78 }
ShaneKirkbride 1:99c58a942425 79
ShaneKirkbride 1:99c58a942425 80 int loop_post() {
ShaneKirkbride 1:99c58a942425 81 //debugSerial.printf("begin main loop \n\r");
ShaneKirkbride 1:99c58a942425 82 // process any callbacks coming from esp_link
ShaneKirkbride 2:20ea1be14e4b 83 int postCount = 0;
ShaneKirkbride 1:99c58a942425 84 esp.Process();
ShaneKirkbride 1:99c58a942425 85 debugSerial.printf("Wifi Connected: %i \n\r",wifiConnected);
ShaneKirkbride 1:99c58a942425 86 // if we're connected make an HTTP request
ShaneKirkbride 1:99c58a942425 87 while(wifiConnected) {
ShaneKirkbride 2:20ea1be14e4b 88 postCount++; //don't post more than 3 times...
ShaneKirkbride 1:99c58a942425 89 // Post to cloud
ShaneKirkbride 2:20ea1be14e4b 90
ShaneKirkbride 2:20ea1be14e4b 91 //const char* header = "{Host: vivaplanetbusservicedev.servicebus.windows.net Authorization: SharedAccessSignature sr=https%3a%2f%2fvivaplanetbusservicedev.servicebus.windows.net%2fhummingbirdqueue%2fmessages&sig=QIGJfPSsortI9tZpoJ6ZUzfMdtvEaaIHA2pnmKZxNVg%3d&se=1470210743&skn=DevicePolicy Content-Length: 440 Expect: 100-continue Connection: Keep-Alive}";
ShaneKirkbride 2:20ea1be14e4b 92 //rest.setHeader(header);
ShaneKirkbride 1:99c58a942425 93
ShaneKirkbride 2:20ea1be14e4b 94 //const char* body = "{\"id\":\"17564321\",\"Address\":\"$28591\",\"PhotoUrl\":\"http://vivaplanetstoragedev.blob.core.windows.net:80/devicephotoscontainer/1457a68157e446c2bc4d0af58a0ccc63.jpg?st=2016-08-02T21%3A50%3A31Z&se=2016-08-02T22%3A05%3A31Z&sr=b&sp=w&sig=rf6ovBuFXKC937b3TMY3qVSf%2F3QOYXjqJBYcwj2MUv4%3D\",\"HasPhoto\":true,\"PhotoId\":\"1457a68157e446c2bc4d0af58a0ccc63.jpg\",\"DeviceSensors\":[{\"SensorType\":\"0\",\"Reading\":\"00:03:52.7656140\",\"Value\":\"921\"},null,null,null]}";
ShaneKirkbride 2:20ea1be14e4b 95 //rest.post("hummingbirdqueue/messages", body); //cloud post test
ShaneKirkbride 2:20ea1be14e4b 96
ShaneKirkbride 2:20ea1be14e4b 97 const char* body = "{sunleaf: test1}";
ShaneKirkbride 2:20ea1be14e4b 98 rest.post("/post.php", body); //basic post test
ShaneKirkbride 2:20ea1be14e4b 99
ShaneKirkbride 1:99c58a942425 100 char response[BUFLEN];
ShaneKirkbride 1:99c58a942425 101 memset(response, 0, BUFLEN);
ShaneKirkbride 1:99c58a942425 102 uint16_t code = rest.waitResponse(response, BUFLEN);
ShaneKirkbride 1:99c58a942425 103 if(code == HTTP_STATUS_OK){
ShaneKirkbride 1:99c58a942425 104 debugSerial.printf("STM: POST successful: %s\n\r", response);
ShaneKirkbride 2:20ea1be14e4b 105 }else if(postCount > 3){
ShaneKirkbride 2:20ea1be14e4b 106 debugSerial.printf("STM: POST 3 times exiting...\n\r");
ShaneKirkbride 2:20ea1be14e4b 107 return code;
ShaneKirkbride 2:20ea1be14e4b 108 }else {
ShaneKirkbride 1:99c58a942425 109 debugSerial.printf("STM: POST failed: %i\n\r",code);
ShaneKirkbride 0:70a6082c1bf7 110 return code;
ShaneKirkbride 0:70a6082c1bf7 111 }
ShaneKirkbride 2:20ea1be14e4b 112
ShaneKirkbride 1:99c58a942425 113 wait(60);
ShaneKirkbride 0:70a6082c1bf7 114 }
ShaneKirkbride 1:99c58a942425 115 return 0;
ShaneKirkbride 0:70a6082c1bf7 116 }
ShaneKirkbride 0:70a6082c1bf7 117
ShaneKirkbride 1:99c58a942425 118
ShaneKirkbride 0:70a6082c1bf7 119 int main() {
ShaneKirkbride 0:70a6082c1bf7 120 led1=0;
ShaneKirkbride 0:70a6082c1bf7 121 debugSerial.baud(115200); // the baud rate here needs to match the esp-link config
ShaneKirkbride 0:70a6082c1bf7 122 espSerial.baud(115200);
ShaneKirkbride 0:70a6082c1bf7 123
ShaneKirkbride 0:70a6082c1bf7 124 debugSerial.printf("STM-Client starting!\n\r");
ShaneKirkbride 0:70a6082c1bf7 125 wait(0.5);
ShaneKirkbride 0:70a6082c1bf7 126
ShaneKirkbride 0:70a6082c1bf7 127 espSerial.printf("STM-Client starting!\n\r");
ShaneKirkbride 0:70a6082c1bf7 128 wait(0.5);
ShaneKirkbride 0:70a6082c1bf7 129
ShaneKirkbride 0:70a6082c1bf7 130 // Sync-up with esp-link, this is required at the start of any sketch and initializes the
ShaneKirkbride 0:70a6082c1bf7 131 // callbacks to the wifi status change callback. The callback gets called with the initial
ShaneKirkbride 0:70a6082c1bf7 132 // status right after Sync() below completes.
ShaneKirkbride 0:70a6082c1bf7 133 esp.wifiCb.attach(wifiCb); // wifi status change callback, optional (delete if not desired)
ShaneKirkbride 0:70a6082c1bf7 134 bool ok;
ShaneKirkbride 0:70a6082c1bf7 135 do {
ShaneKirkbride 0:70a6082c1bf7 136 //debugSerial.printf("main syncing..\n\r");
ShaneKirkbride 0:70a6082c1bf7 137 wait(0.5);
ShaneKirkbride 0:70a6082c1bf7 138 ok = esp.Sync(); // sync up with esp-link, blocks for up to 2 seconds
ShaneKirkbride 0:70a6082c1bf7 139 if (!ok){
ShaneKirkbride 0:70a6082c1bf7 140 debugSerial.printf("STM-Client sync failed!\n\r");
ShaneKirkbride 0:70a6082c1bf7 141 wait(0.5);
ShaneKirkbride 0:70a6082c1bf7 142 }
ShaneKirkbride 0:70a6082c1bf7 143 } while(!ok);
ShaneKirkbride 0:70a6082c1bf7 144
ShaneKirkbride 0:70a6082c1bf7 145 debugSerial.printf("STM-Client synced!\n\r");
ShaneKirkbride 0:70a6082c1bf7 146
ShaneKirkbride 0:70a6082c1bf7 147 // Get immediate wifi status info for demo purposes. This is not normally used because the
ShaneKirkbride 0:70a6082c1bf7 148 // wifi status callback registered above gets called immediately.
ShaneKirkbride 0:70a6082c1bf7 149 esp.GetWifiStatus();
ShaneKirkbride 0:70a6082c1bf7 150 STMClientPacket *packet;
ShaneKirkbride 0:70a6082c1bf7 151 if ((packet=esp.WaitReturn()) != NULL)
ShaneKirkbride 0:70a6082c1bf7 152 {
ShaneKirkbride 0:70a6082c1bf7 153 //debugSerial.printf("Wifi status: %i\n\r", packet->value);
ShaneKirkbride 0:70a6082c1bf7 154 //debugSerial.printf("waiting for wifi status...\n\r");
ShaneKirkbride 1:99c58a942425 155 if(packet->value >= 1) { ///ideally this would coincide with STATION_GOT_IP...
ShaneKirkbride 0:70a6082c1bf7 156 debugSerial.printf("WIFI CONNECTED\n\r");
ShaneKirkbride 0:70a6082c1bf7 157 wifiConnected = true;
ShaneKirkbride 0:70a6082c1bf7 158 } else {
ShaneKirkbride 0:70a6082c1bf7 159 debugSerial.printf("WIFI NOT READY: %i\n\r",packet->value);
ShaneKirkbride 0:70a6082c1bf7 160 //Serial.printf(status);
ShaneKirkbride 0:70a6082c1bf7 161 wifiConnected = false;
ShaneKirkbride 0:70a6082c1bf7 162 }
ShaneKirkbride 0:70a6082c1bf7 163 }
ShaneKirkbride 0:70a6082c1bf7 164
ShaneKirkbride 0:70a6082c1bf7 165
ShaneKirkbride 0:70a6082c1bf7 166 // Set up the REST client to talk to www.timeapi.org, this doesn't connect to that server,
ShaneKirkbride 0:70a6082c1bf7 167 // it just sets-up stuff on the esp-link side
ShaneKirkbride 2:20ea1be14e4b 168 //int err = rest.begin("www.timeapi.org"); //for basic example of get
ShaneKirkbride 2:20ea1be14e4b 169 int err = rest.begin("posttestserver.com"); //for basic example of post
ShaneKirkbride 1:99c58a942425 170
ShaneKirkbride 2:20ea1be14e4b 171 //const char* host = "vivaplanetbusservicedev.servicebus.windows.net";
ShaneKirkbride 2:20ea1be14e4b 172 //uint16_t port = 443;
ShaneKirkbride 2:20ea1be14e4b 173 //bool security = true;
ShaneKirkbride 2:20ea1be14e4b 174 //int err = rest.begin(host,port,security);
ShaneKirkbride 2:20ea1be14e4b 175
ShaneKirkbride 0:70a6082c1bf7 176 if (err != 0) {
ShaneKirkbride 0:70a6082c1bf7 177 debugSerial.printf("REST begin failed: %i\n\r",err);
ShaneKirkbride 0:70a6082c1bf7 178 while(1) ;
ShaneKirkbride 0:70a6082c1bf7 179 }
ShaneKirkbride 0:70a6082c1bf7 180 debugSerial.printf("STM-REST ready\n\r");
ShaneKirkbride 1:99c58a942425 181 while(response != "0"){
ShaneKirkbride 2:20ea1be14e4b 182 debugSerial.printf("status: %x\n\r",response);
ShaneKirkbride 1:99c58a942425 183 //loop_get();
ShaneKirkbride 1:99c58a942425 184 loop_post();
ShaneKirkbride 1:99c58a942425 185 wait(60);
ShaneKirkbride 0:70a6082c1bf7 186 }
ShaneKirkbride 0:70a6082c1bf7 187 }