Skip to content

Commit d7d2127

Browse files
fabricioitajubafabricioitajuba
authored
Webserver com o ENC28J60 com DHCP ou não
1 parent d7e35a7 commit d7d2127

File tree

2 files changed

+220
-0
lines changed

2 files changed

+220
-0
lines changed

‎webserver2/Leia-me.txt‎

Lines changed: 9 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,9 @@
1+
-Na pasta:/home/"user"/Arduino/libraries/UIPEthernet-master/utility
2+
3+
-Abrir o arquivo: Enc28J60Network.h
4+
5+
-Mover a linha:
6+
7+
static uint8_t readByte(uint16_t addr);
8+
9+
de private: para public

‎webserver2/webserver2.ino‎

Lines changed: 211 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,211 @@
1+
/*
2+
Web Server
3+
4+
A simple web server that shows the value of the analog input pins.
5+
blinks the built in LED, or toggles a Relay Switch (check the comments)
6+
7+
From: earl@microcontrollerelectronics.com
8+
Also Demonstrates checking the ENC28J60 and keeping it from freezing.
9+
10+
https://microcontrollerelectronics.com/how-a-web-server-on-an-stm32f103c8t6-can-be-used-to-control-a-relay-switch/
11+
12+
ENC28J60 STM32F103
13+
SCK PA5
14+
SO PA6
15+
SI PA7
16+
CS PA4
17+
RST R
18+
19+
VCC - 5V
20+
GND - GND
21+
22+
--ENC28J60--
23+
CLK INT
24+
WOL SO
25+
SI SCK
26+
CS RESET
27+
VCC GND
28+
29+
+-----------------[USB]-----------------+
30+
[SS2|PB12] | [31] [Gnd] |
31+
[SCK2|PB13] | [30] +---+ [Gnd] |
32+
[MISO2|PB14] | [29] +-----+ |0 0| [3V3] |
33+
[MOSI2|PB15] | [28] |Reset| |x x| [Reset] |
34+
[PA8] | [27] +-----+ |1 1| [ 0] | [PB11|SDA2|RX3]
35+
[TX1|PA9] | [26] +---+ [ 1] | [PB10|SCL2|TX3]
36+
[RX1|PA10] | [25] ^ ^ [33] | [PB1]
37+
[USB-|PA11] | [24] Boot1--+ | [ 3] | [PB0|A0]
38+
[USB+|PA12] | [23] Boot0----+ [ 4] | [PA7|A1|MOSI1]
39+
[PA15] | [20] [ 5] | [PA6|A2|MISO1]
40+
[PB3] | [19] +-----------+ [ 6] | [PA5|A3|SCK1]
41+
[PB4] | [18] | STM32F103 | [ 7] | [PA4|A4|SS1]
42+
[PB5] | [17] | Blue Pill | [ 8] | [PA3|A5|RX2]
43+
[SCL1|PB6] | [16] +-----------+ [ 9] | [PA2|A6|TX2]
44+
[SDA1|PB7] | [15] [10] | [PA1|A7]
45+
[PB8] | [32] [11] | [PA0|A8]
46+
[PB9] | [PB9] [12] | [PC15]
47+
| [5V] +---------------+ [13] | [PC14]
48+
| [Gnd] | ST-Link | [14] | [PC13|LED]
49+
| [3V3] |3V3 DIO CLK GND| [Vbat]|
50+
+-------------+---+---+---+-------------+
51+
| | | |
52+
*/
53+
54+
#include <libmaple/iwdg.h>
55+
#include <SPI.h>
56+
#include <UIPEthernet.h>
57+
58+
#define NET_ENC28J60_EIR 0x1C
59+
#define NET_ENC28J60_ESTAT 0x1D
60+
#define NET_ENC28J60_ECON1 0x1F
61+
#define NET_ENC28J60_EIR_RXERIF 0x01
62+
#define NET_ENC28J60_ESTAT_BUFFER 0x40
63+
#define NET_ENC28J60_ECON1_RXEN 0x04
64+
#define NET_ENC28J60_CHECK_PERIOD 5000UL
65+
66+
#define iwdg_init_ms(N) iwdg_init(IWDG_PRE_256,((N)/5))
67+
68+
#define DHCP
69+
70+
#define pinLED PC13
71+
#define pinSwitch PA15
72+
#define ETH_RS_PIN PA0
73+
74+
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
75+
76+
#ifndef DHCP
77+
IPAddress ipdns(192, 168, 1, 1);
78+
IPAddress ip(192, 168, 1, 7);//IP fixo
79+
IPAddress gateway(192, 168, 1, 1);
80+
IPAddress subnet(255, 255, 255, 0);
81+
#endif
82+
83+
EthernetServer server = EthernetServer(80);
84+
85+
String cdata = "";
86+
unsigned long timer;
87+
88+
void setup()
89+
{
90+
disableDebugPorts();
91+
92+
pinMode(pinLED, OUTPUT);
93+
pinMode(pinSwitch, OUTPUT);
94+
digitalWrite(pinLED,LOW);
95+
digitalWrite(pinSwitch,LOW);
96+
eth_reset();
97+
iwdg_init_ms(4000);
98+
timer = millis();
99+
}
100+
101+
void eth_reset()
102+
{
103+
pinMode(ETH_RS_PIN, OUTPUT);
104+
digitalWrite(ETH_RS_PIN, LOW);
105+
delay(100);
106+
digitalWrite(ETH_RS_PIN, HIGH);
107+
pinMode(ETH_RS_PIN, INPUT);
108+
109+
#ifdef DHCP
110+
Ethernet.begin(mac);
111+
#else
112+
Ethernet.begin(mac, ip, ipdns, gateway, subnet);
113+
#endif
114+
115+
server.begin();
116+
}
117+
118+
void loop()
119+
{
120+
iwdg_feed();
121+
Ethernet.maintain();
122+
123+
if ((millis() - timer) > NET_ENC28J60_CHECK_PERIOD)
124+
{
125+
uint8_t stateEconRxen = Enc28J60.readReg((uint8_t) NET_ENC28J60_ECON1) & NET_ENC28J60_ECON1_RXEN;
126+
uint8_t stateEstatBuffer = Enc28J60.readReg((uint8_t) NET_ENC28J60_ESTAT) & NET_ENC28J60_ESTAT_BUFFER;
127+
uint8_t stateEirRxerif = Enc28J60.readReg((uint8_t) NET_ENC28J60_EIR) & NET_ENC28J60_EIR_RXERIF;
128+
129+
if (!stateEconRxen || (stateEstatBuffer && stateEirRxerif))
130+
{
131+
//Enc28J60.init(netConfig->macAddress);/////////////////////////////////////
132+
eth_reset();
133+
}
134+
timer = millis();
135+
}
136+
137+
EthernetClient client = server.available();
138+
139+
if(client)
140+
{
141+
cdata = "";
142+
143+
while(client.connected())
144+
{
145+
if(client.available())
146+
{
147+
char c = client.read();
148+
149+
cdata.concat(c);
150+
if(cdata.indexOf("\r\n\r\n") > 0)
151+
{
152+
client.println(F("HTTP/1.1 200 OK"));
153+
client.println(F("Content-Type: text/html"));
154+
client.println(F("Connection: close"));
155+
if(cdata.indexOf("Analog") > 0) client.println(F("Refresh: 5"));
156+
client.println();
157+
client.println(F("<!DOCTYPE HTML>"));
158+
client.println(F("<html>"));
159+
client.println(F("<body>"));
160+
client.println(F("<br><br><center><H1>STM32F103C8T6 WEB Server</H1></center>"));
161+
162+
if((cdata.indexOf("LED") > 0) || (cdata.indexOf("led") > 0))
163+
{
164+
digitalWrite(pinLED,!digitalRead(pinLED));
165+
if (digitalRead(pinLED)) client.println(F("<center><br><br><br><br><H1>LED OFF!</H1></center>"));
166+
else client.println(F("<center><br><br><br><br><H1>LED ON!</H1></center>"));
167+
client.println(F("</body>"));
168+
client.println(F("</html>"));
169+
break;
170+
}
171+
172+
if (cdata.indexOf("switch") > 0)
173+
{
174+
digitalWrite(pinSwitch,!digitalRead(pinSwitch));
175+
if (digitalRead(pinSwitch)) client.println(F("<center><br><br><br><br><H1>Switch ON! </H1></center>"));
176+
else client.println(F("<center><br><br><br><br><H1>Switch OFF!</H1></center>"));
177+
client.println(F("</body>"));
178+
client.println(F("</html>"));
179+
break;
180+
}
181+
182+
if(cdata.indexOf("Analog") > 0)
183+
{
184+
client.println(F("<table border=1 cellspacing=4 cellpadding=4>"));
185+
client.println(F("<tr><th>Analog</th><th>Value</th></tr>"));
186+
for (int analogChannel = 0; analogChannel < 4; analogChannel++)
187+
{
188+
int sensorReading = analogRead(analogChannel);
189+
client.print(F("<tr><td>"));
190+
client.print(analogChannel);
191+
client.print(F("</td><td>"));
192+
client.print(sensorReading);
193+
client.println(F("</td></tr>"));
194+
}
195+
client.println(F("</table>"));
196+
client.println(F("</body>"));
197+
client.println(F("</html>"));
198+
break;
199+
}
200+
201+
client.println(F("<center><br><br><br><br><H1>Unknown Command!</H1></center>"));
202+
client.println(F("</body>"));
203+
client.println(F("</html>"));
204+
break;
205+
}
206+
}
207+
}
208+
client.stop();
209+
timer = millis();
210+
}
211+
}

0 commit comments

Comments
 (0)