test ADC avec page Web reduite
Dependencies: UIPEthernet mbed FCT_WEB hebergement
Fork of Nucleo_Web_ENC28J60 by
P.S : 1ère mise en fonctionnement de la carte NUCLEO STM32F411RET6
Instruction pour la mise en fonctionnement : https://developer.mbed.org/users/Fo170/notebook/the-stm32-nucleo-64-board/
main.cpp
- Committer:
- Fo170
- Date:
- 2015-08-05
- Revision:
- 15:4b3975520691
- Parent:
- 13:939e0fa0cd39
- Child:
- 16:5a3d10a54762
File content as of revision 15:4b3975520691:
/* In this example LED1 is switched on/off using a web browser connected to this HTTP server. * The example is based on the Tuxgraphics Web Switch <http://www.tuxgraphics.org/>. * This HTTP server is built around the the ENC28J60 chip * driven by the UIPEthernet library <https://github.com/ntruchsess/arduino_uip> * ported to mbed. */ #include <mbed.h> #include <UIPEthernet.h> #include <UIPServer.h> #include <UIPClient.h> #include <string> // PC_5 (connectique Morpho) : Entrée Analogique (0 à 3.3V) // Carte ENC28J60 <--> Nucleo F411RE // PB_5 (connectique Morpho) : MOSI // PB_4 (connectique Morpho) : MISO // PB_3 (connectique Morpho) : SCK // PB_6 (connectique Morpho) : CS DigitalOut myled(LED1); AnalogIn a_in(PC_5); // PC_5 au lieu de PC_0 using namespace std; // UIPEthernet is the name of a global instance of UIPEthernetClass. // Do not change the name! It is used within the UIPEthernet library. #if defined(TARGET_LPC1768) UIPEthernetClass UIPEthernet(p11, p12, p13, p8); // mosi, miso, sck, cs #elif defined(TARGET_LPC1114) UIPEthernetClass UIPEthernet(dp2, dp1, dp6, dp25); // mosi, miso, sck, cs #elif defined(TARGET_LPC11U68) UIPEthernetClass UIPEthernet(P0_9, P0_8, P1_29, P0_2); // mosi, miso, sck, cs #elif defined (TARGET_NUCLEO_F103RB) UIPEthernetClass UIPEthernet(PB_5, PB_4, PB_3, PB_6); // mosi, miso, sck, cs #elif defined (TARGET_NUCLEO_F401RE) UIPEthernetClass UIPEthernet(PB_5, PB_4, PB_3, PB_6); // mosi, miso, sck, cs #elif defined (TARGET_NUCLEO_F411RE) UIPEthernetClass UIPEthernet(PB_5, PB_4, PB_3, PB_6); // mosi, miso, sck, cs // If your board/plaform is not present yet then uncomment the following two lines and replace TARGET_YOUR_BOARD as appropriate. //#elif defined (TARGET_YOUR_BOARD) //UIPEthernetClass UIPEthernet(SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS); // mosi, miso, sck, cs #endif // Note: // If it happends that any of the SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS pins collide with LED1 pin // then either use different SPI port (if available on the board) and change the pin names in the constructor UIPEthernet(...) accordingly // or instead of using LED1 pin, select a free pin (not used by SPI port) and connect to it an external LED which is connected to a resitor that is connected to the groud. // In the second case remember to replace LED1 in sw(LED1) constructor (see below). // MAC number must be unique within the connected network. Modify as appropriate. const uint8_t MY_MAC[6] = {0x00,0x01,0x02,0x03,0x04,0x06}; // IP address must be also unique and compatible with your network. Change as appropriate. const IPAddress MY_IP(192,168,0,170); const string __IP_LOCAL__ = "192.168.0.170"; const string __hebergement__ = "http://olivier.fournet.free.fr/electronique/e/WebServerNucleo/js/"; const string __Time_between_page_refresh__ = "1"; const string __image_Password_Folder__ = "<img alt='' src='http://olivier.fournet.free.fr/jpg/password_folder.jpg'>"; //const string __image_301_Moved_Permanently__ = "<img alt='' src='http://olivier.fournet.free.fr/jpg/301_moved_permanently.jpg'>"; #define __image_301_Moved_Permanently__ "<img alt='' src='http://olivier.fournet.free.fr/jpg/301_moved_permanently.jpg'>" const string str_moved_perm = "<h1>301 Moved Permanently " __image_301_Moved_Permanently__ "</h1>\r\n"; //const string __image_401_Unauthorized__ = "<img alt='' src='http://olivier.fournet.free.fr/png/401_Unauthorized.png'>"; #define __image_401_Unauthorized__ "<img alt='' src='http://olivier.fournet.free.fr/png/401_Unauthorized.png'>" const string str_Unauthorized = "<h1>401 Unauthorized " __image_401_Unauthorized__ "</h1>\r\n"; #define FREQUENCE_SECTEUR 50 #define NB_SAMPLES_PAR_OSCILLATION 100 #define NB_SAMPLES 5000 // FREQUENCE_SECTEUR * NB_SAMPLES_PAR_OSCILLATION #define TIME_SAMPLES_us 200 // 1000000 / NB_SAMPLES unsigned long int Samples = 0; float Seconds = 0.0; float time_between_two_measurement_ADC = 0.0; float meas, meas_sum, meas_moy, meas_min, meas_max, v_min, v_max; Ticker time_measurement_ADC; void measurement_ADC() { meas = a_in.read(); // Converts and read the analog input value (value from 0.0 to 1.0) //wait_us(10); meas_sum += meas; if(meas_min > meas) meas_min = meas; if(meas_max < meas) meas_max = meas; Samples++; if( Samples == NB_SAMPLES ) { meas_moy = meas_sum * 3300.0; // Change the value to be in the 0 to 3300 range meas_moy /= (float)NB_SAMPLES; Samples = 0; meas_sum = 0.0; v_min = 3300.0 * meas_min, v_max = 3300.0 * meas_max; meas_min = 1.0 , meas_max = 0.0; } } //------------ #define __Time_between_refresh_in_Second__ 0.1 Ticker second_ticker; void add_one_second() { Seconds = Seconds + (float)__Time_between_refresh_in_Second__; } //------------ const uint16_t MY_PORT = 80; // for HTTP connection EthernetServer myServer = EthernetServer(MY_PORT); // In this example we are turning on/off LED1. DigitalOut sw(LED1); // Change LED1 to a pin of your choice. However, make sure that it does not collide with any of the SPI pins already used in the UIPEthernet(...) constructor above! const string PASSWORD = "secret"; // change as you like const string HTTP_OK = "HTTP/1.0 200 OK"; const string MOVED_PERM = "HTTP/1.0 301 Moved Permanently\r\nLocation: "; const string UNAUTHORIZED = "HTTP/1.0 401 Unauthorized"; string httpHeader; // HTTP header string httpContent; // HTTP content // analyse the url given // return values: -1 invalid password // -2 no command given but password valid // -3 just refresh page // 0 switch off // 1 switch on // // The string passed to this function will look like this: // GET /password HTTP/1..... // GET /password/ HTTP/1..... // GET /password/?sw=1 HTTP/1..... // GET /password/?sw=0 HTTP/1..... int8_t analyse_get_url(string& str) { if(str.substr(5, PASSWORD.size()) != PASSWORD) return(-1); uint8_t pos = 5 + PASSWORD.size(); if(str.substr(pos, 1) == " ") return(-2); if(str.substr(pos, 1) != "/") return(-1); pos++; string cmd(str.substr(pos, 5)); if(cmd == "?sw=0") return(0); if(cmd == "?sw=1") return(1); return(-3); } string& moved_perm(uint8_t flag) { if(flag == 1) httpContent = "/" + PASSWORD + "/"; else httpContent = ""; /* httpContent += "<h1>301 Moved Permanently "; httpContent += __image_301_Moved_Permanently__; httpContent += "</h1>\r\n"; */ httpContent += str_moved_perm; return (httpContent); } string& page(uint8_t status) { char buffer[128]; //char time_stamp[32]; //------------- httpContent = "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\r\n"; httpContent += "<meta http-equiv=\"refresh\" content=\""; httpContent += __Time_between_page_refresh__; httpContent += ";url=http://"; httpContent += __IP_LOCAL__; httpContent += "/\">\r\n"; httpContent += "<HTML><HEAD>\r\n"; httpContent += "<title>WEB Server Nucleo F411RE & ENC28J60 - ADC</title>\r\n"; httpContent += "</HEAD><BODY>\r\n"; httpContent += "<center><h2>WEB Server Nucleo F411RE</h2>\r\n"; httpContent += "<p>Designed for STM32F411RE & ENC28J60 (ADC)\r\n"; httpContent += "<p>Compilation avec mBED à " __TIME__ " le " __DATE__" \r\n"; httpContent += "<p></center>\r\n<hr><p>\r\n"; /* httpContent += "Local Time: "; time_t seconds = time(NULL)+ 19800; // time(null) gives the GMT time . // printf("Time as seconds since January 1, 1970 = %d\n", seconds); strftime(time_stamp, 32, "%y %m %d, %H:%M:%Ss", localtime(&seconds)); // this converts the value in seconds obtained above to human readable format and assigns it to the timestamp sprintf(buffer, "%s", time_stamp);// diplays the human readable time */ sprintf(buffer, "%.1f ", Seconds);// diplays the human readable Seconds httpContent += buffer; httpContent += "Seconds\r\n<hr>\r\n"; //---------------- httpContent += "AnalogIn(PC_5) : (DC de 0 a 3,3V)<p>\r\n"; sprintf(buffer, "%.0f mV Moy ( sum : %.0f - Samples : %u )\r\n", meas_moy, meas_sum, Samples); httpContent += buffer; httpContent += "<p>\r\n"; sprintf(buffer, "%.0f mV Min, %.0f mV Max , diff : %.0f mV\r\n", v_min, v_max, v_max - v_min); httpContent += buffer; httpContent += "</BODY></HTML>"; //----------- //wait(1); return httpContent; } void http_send(EthernetClient& client, string& header, string& content) { char content_length[5] = {}; header += "\r\nContent-Type: text/html\r\n"; header += "Content-Length: "; sprintf(content_length, "%d", content.length()); header += string(content_length) + "\r\n"; header += "Pragma: no-cache\r\n"; header += "Connection: About to close\r\n"; header += "\r\n"; string webpage = header + content; client.write((uint8_t*)webpage.c_str(),webpage.length()); } int main() { meas_moy = 0.0; Samples = 0; meas_sum = 0.0; meas_min = 1.0 , meas_max = 0.0; // RTC //set_time(1387188323); // Set RTC time to 16 December 2013 10:05:23 UTC // Date and time are set. // Init the ticker with the address of the function (add_one_second) to be attached and the interval (1000 ms) second_ticker.attach(&add_one_second, __Time_between_refresh_in_Second__); //----------------- // 50 Hz --> 20ms // 100 samples par oscillations = 20 / 100 = 0.2ms = 200µs // 100 samples * 50 oscillations = 5000 samples au total par secondes // interval: 200 micro seconds chaques samples time_measurement_ADC.attach_us(&measurement_ADC, TIME_SAMPLES_us); //----------------- UIPEthernet.begin(MY_MAC,MY_IP); myServer.begin(); while(1) { EthernetClient client = myServer.available(); if(client) { size_t size = client.available(); if(size > 0) { uint8_t* buf = (uint8_t*)malloc(size); size = client.read(buf, size); string received((char*)buf); free(buf); if(received.substr(0, 3) != "GET") { // head, post or other method // for possible status codes see: // http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html httpHeader = HTTP_OK; httpContent = "<h1>200 OK</h1>"; http_send(client, httpHeader, httpContent); continue; } if(received.substr(0, 6) == "GET / ") { httpHeader = HTTP_OK; /* httpContent = "<p>Usage: http://host_or_ip/password</p>\r\n"; http_send(client, httpHeader, httpContent); */ http_send(client, httpHeader, page(sw)); continue; } int cmd = analyse_get_url(received); if(cmd == -2) { // redirect to the right base url httpHeader = MOVED_PERM; http_send(client, httpHeader, moved_perm(1)); continue; } if(cmd == -1) { httpHeader = UNAUTHORIZED; /* httpContent = "<h1>401 Unauthorized "; httpContent += __image_401_Unauthorized__; httpContent += "</h1>\r\n"; */ httpContent = str_Unauthorized; http_send(client, httpHeader, httpContent); continue; } } } } }