yao hj / Mbed 2 deprecated LPC824_W5500_SD1306_AM2320_HTTP

lpc824lite 采集温湿度压强数据显示至oled12864,通w5500与用户进行TCP交互

Dependencies:   mbed WIZnet_Library AM2320 BME280

main.cpp@0:ef802f772981, 2017-05-11 (annotated)

Committer:
dadangjia
Date:
Thu May 11 16:51:19 2017 +0000
Revision:
0:ef802f772981
lpc824,w5500,am2320,bep280,ssd1306

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dadangjia 0:ef802f772981 1 #include "mbed.h"
dadangjia 0:ef802f772981 2 DigitalIn button(P0_1, PullUp); //按键myled3改变状态
dadangjia 0:ef802f772981 3 //adc采集电压函数
dadangjia 0:ef802f772981 4 float meas;
dadangjia 0:ef802f772981 5 long ADC_VALUE[3];
dadangjia 0:ef802f772981 6 AnalogIn ADC_MQ2(P0_6); //ADC1，MQ2空气质量检测
dadangjia 0:ef802f772981 7 AnalogIn ADC_MQ3(P0_14); //ADC2，MQ2空气质量检测
dadangjia 0:ef802f772981 8 AnalogIn analog_value(P0_23); // ADC3，可调电位器
dadangjia 0:ef802f772981 9
dadangjia 0:ef802f772981 10 void adc_data()
dadangjia 0:ef802f772981 11 {
dadangjia 0:ef802f772981 12 meas = ADC_MQ2.read();
dadangjia 0:ef802f772981 13 ADC_VALUE[0] = (long)(meas * 3300);
dadangjia 0:ef802f772981 14 meas = ADC_MQ3.read();
dadangjia 0:ef802f772981 15 ADC_VALUE[1] = (long)(meas * 3300);
dadangjia 0:ef802f772981 16 meas = analog_value.read();
dadangjia 0:ef802f772981 17 ADC_VALUE[2] = (long)(meas * 3300);
dadangjia 0:ef802f772981 18 }
dadangjia 0:ef802f772981 19
dadangjia 0:ef802f772981 20 //oled显示函数
dadangjia 0:ef802f772981 21 #include "CriusOLED.h"
dadangjia 0:ef802f772981 22 DigitalOut myled1(P0_27);
dadangjia 0:ef802f772981 23 DigitalOut myled2(P0_13);
dadangjia 0:ef802f772981 24 DigitalOut myled3(P0_17); //用户led
dadangjia 0:ef802f772981 25 Ticker ticker;
dadangjia 0:ef802f772981 26 float sampleTime = 1.0;
dadangjia 0:ef802f772981 27 long times;
dadangjia 0:ef802f772981 28 char buffer1[40];
dadangjia 0:ef802f772981 29 char buffer2[20];
dadangjia 0:ef802f772981 30 char buffer3[20];
dadangjia 0:ef802f772981 31 char Buffer[100];
dadangjia 0:ef802f772981 32 #define bufferclear " "
dadangjia 0:ef802f772981 33 void am2320_dat();
dadangjia 0:ef802f772981 34 void bme280_dat();
dadangjia 0:ef802f772981 35 void Tlink_Tcp();
dadangjia 0:ef802f772981 36 void oled_ticker()
dadangjia 0:ef802f772981 37 {
dadangjia 0:ef802f772981 38 //每隔一秒显示一次
dadangjia 0:ef802f772981 39 myled1=!myled1;
dadangjia 0:ef802f772981 40 if(!button)
dadangjia 0:ef802f772981 41 myled3=!myled3;
dadangjia 0:ef802f772981 42 adc_data();
dadangjia 0:ef802f772981 43 sendStrXY(bufferclear,1,0);
dadangjia 0:ef802f772981 44 snprintf(buffer1,sizeof(buffer1), "%ds %dmV %dmV %dmV",times++,ADC_VALUE[0],ADC_VALUE[1],ADC_VALUE[2]);
dadangjia 0:ef802f772981 45 sendStrXY(buffer1,0,0);
dadangjia 0:ef802f772981 46 am2320_dat();
dadangjia 0:ef802f772981 47 bme280_dat();
dadangjia 0:ef802f772981 48 }
dadangjia 0:ef802f772981 49
dadangjia 0:ef802f772981 50 void oled_init()
dadangjia 0:ef802f772981 51 {
dadangjia 0:ef802f772981 52 i2c.frequency(400000);
dadangjia 0:ef802f772981 53 init_OLED();
dadangjia 0:ef802f772981 54 displayOn();
dadangjia 0:ef802f772981 55 reset_display();
dadangjia 0:ef802f772981 56 ticker.attach(&oled_ticker, sampleTime);
dadangjia 0:ef802f772981 57 }
dadangjia 0:ef802f772981 58
dadangjia 0:ef802f772981 59 //AM2320初始化
dadangjia 0:ef802f772981 60 #include "AM2320.h"
dadangjia 0:ef802f772981 61 AM2320 am2320(i2c);
dadangjia 0:ef802f772981 62 int h;
dadangjia 0:ef802f772981 63 int t;
dadangjia 0:ef802f772981 64 void am2320_dat()
dadangjia 0:ef802f772981 65 {
dadangjia 0:ef802f772981 66 h = am2320.humidity();
dadangjia 0:ef802f772981 67 t = am2320.temperature();
dadangjia 0:ef802f772981 68 snprintf(buffer2,sizeof(buffer2), "%2d.%dc %2d.%d%%",t/10,t%10,h/10,h%10);
dadangjia 0:ef802f772981 69 sendStrXY(buffer2,4,0);
dadangjia 0:ef802f772981 70 }
dadangjia 0:ef802f772981 71
dadangjia 0:ef802f772981 72 #include "BME280.h"
dadangjia 0:ef802f772981 73 BME280 sensor(I2C_SDA, I2C_SCL);
dadangjia 0:ef802f772981 74 void bme280_dat()
dadangjia 0:ef802f772981 75 {
dadangjia 0:ef802f772981 76 snprintf(buffer3,sizeof(buffer3), "%2.2fC %6.0fPa",sensor.getTemperature(), sensor.getPressure()*100);
dadangjia 0:ef802f772981 77 sendStrXY(buffer3,5,0);
dadangjia 0:ef802f772981 78 }
dadangjia 0:ef802f772981 79
dadangjia 0:ef802f772981 80 Serial pc(P0_4,P0_0,921600);
dadangjia 0:ef802f772981 81 //w5500初始化函数
dadangjia 0:ef802f772981 82 #include "WIZnetInterface.h"
dadangjia 0:ef802f772981 83 #define USE_DHCP 1
dadangjia 0:ef802f772981 84
dadangjia 0:ef802f772981 85 #define LOOPBACKPORT 80
dadangjia 0:ef802f772981 86 char * IP_Addr = "192.168.0.194";
dadangjia 0:ef802f772981 87 char * IP_Subnet = "255.255.255.0";
dadangjia 0:ef802f772981 88 char * IP_Gateway = "192.168.0.1";
dadangjia 0:ef802f772981 89 unsigned char MAC_Addr[6] = {0x00,0x08,0xDC,0x12,0x34,0x56};
dadangjia 0:ef802f772981 90
dadangjia 0:ef802f772981 91
dadangjia 0:ef802f772981 92 SPI spi(P0_26,P0_25,P0_24);
dadangjia 0:ef802f772981 93 WIZnetInterface ethernet(&spi,P0_16,P0_5);
dadangjia 0:ef802f772981 94
dadangjia 0:ef802f772981 95 void W5500_init()
dadangjia 0:ef802f772981 96 {
dadangjia 0:ef802f772981 97 #if USE_DHCP
dadangjia 0:ef802f772981 98 int ret = ethernet.init(MAC_Addr);
dadangjia 0:ef802f772981 99 #else
dadangjia 0:ef802f772981 100 int ret = ethernet.init(MAC_Addr,IP_Addr,IP_Subnet,IP_Gateway);
dadangjia 0:ef802f772981 101 #endif
dadangjia 0:ef802f772981 102 myled2=1;
dadangjia 0:ef802f772981 103 if (!ret) {
dadangjia 0:ef802f772981 104 pc.printf("Initialized, MAC: %s\r\n", ethernet.getMACAddress());
dadangjia 0:ef802f772981 105 ret = ethernet.connect();
dadangjia 0:ef802f772981 106 if (!ret) {
dadangjia 0:ef802f772981 107 pc.printf("IP: %s, MASK: %s, GW: %s\r\n",
dadangjia 0:ef802f772981 108 ethernet.getIPAddress(), ethernet.getNetworkMask(), ethernet.getGateway());
dadangjia 0:ef802f772981 109 sendStrXY("IP:",2,0);
dadangjia 0:ef802f772981 110 sendStrXY(ethernet.getIPAddress(),2,3);
dadangjia 0:ef802f772981 111 } else {
dadangjia 0:ef802f772981 112 pc.printf("Error ethernet.connect() - ret = %d\r\n", ret);
dadangjia 0:ef802f772981 113 exit(0);
dadangjia 0:ef802f772981 114 }
dadangjia 0:ef802f772981 115 } else {
dadangjia 0:ef802f772981 116 pc.printf("Error ethernet.init() - ret = %d\r\n", ret);
dadangjia 0:ef802f772981 117 exit(0);
dadangjia 0:ef802f772981 118 }
dadangjia 0:ef802f772981 119 }
dadangjia 0:ef802f772981 120
dadangjia 0:ef802f772981 121 void w5500_httpserver()
dadangjia 0:ef802f772981 122 {
dadangjia 0:ef802f772981 123 char buffer[128];
dadangjia 0:ef802f772981 124 W5500_init();
dadangjia 0:ef802f772981 125 TCPSocketServer server;
dadangjia 0:ef802f772981 126 server.bind(LOOPBACKPORT);
dadangjia 0:ef802f772981 127 server.listen();
dadangjia 0:ef802f772981 128 while (1) {
dadangjia 0:ef802f772981 129 pc.printf("\nWait for new connection...\r\n");
dadangjia 0:ef802f772981 130 TCPSocketConnection client;
dadangjia 0:ef802f772981 131 server.accept(client);
dadangjia 0:ef802f772981 132 client.set_blocking(false, 0);
dadangjia 0:ef802f772981 133 pc.printf("Connection from: %s\r\n", client.get_address());
dadangjia 0:ef802f772981 134 sendStrXY("C:",3,0);
dadangjia 0:ef802f772981 135 sendStrXY(client.get_address(),3,3);
dadangjia 0:ef802f772981 136 while (client.is_connected() == true) {
dadangjia 0:ef802f772981 137 myled2=0;
dadangjia 0:ef802f772981 138 int n = client.receive(buffer, sizeof(buffer));
dadangjia 0:ef802f772981 139 if(n > 0)
dadangjia 0:ef802f772981 140 {
dadangjia 0:ef802f772981 141 //client.send_all(buffer, n); //将接受的数据发送回去
dadangjia 0:ef802f772981 142 if(strstr(buffer,"AD"))
dadangjia 0:ef802f772981 143 client.send(buffer1, sizeof(buffer1));
dadangjia 0:ef802f772981 144
dadangjia 0:ef802f772981 145 if(strstr(buffer,"AM"))
dadangjia 0:ef802f772981 146 client.send_all(buffer2, sizeof(buffer2));
dadangjia 0:ef802f772981 147
dadangjia 0:ef802f772981 148 if(strstr(buffer,"BE"))
dadangjia 0:ef802f772981 149 client.send(buffer3, sizeof(buffer3));
dadangjia 0:ef802f772981 150
dadangjia 0:ef802f772981 151 if(strstr(buffer,"LED"))
dadangjia 0:ef802f772981 152 myled3=!myled3;
dadangjia 0:ef802f772981 153
dadangjia 0:ef802f772981 154 if(strstr(buffer,"ALL"))
dadangjia 0:ef802f772981 155 {
dadangjia 0:ef802f772981 156 snprintf(Buffer,sizeof(Buffer), " %s\r\n %s\r\n %s\r\n ledstatus:%d\r\n",buffer1,buffer2,buffer3,!myled3);
dadangjia 0:ef802f772981 157 client.send(Buffer, sizeof(Buffer));
dadangjia 0:ef802f772981 158 }
dadangjia 0:ef802f772981 159
dadangjia 0:ef802f772981 160 if(strstr(buffer,"IP"))
dadangjia 0:ef802f772981 161 {
dadangjia 0:ef802f772981 162 snprintf(Buffer,sizeof(Buffer), " MAC_Addr: %s\r\n LocalIp: %s\r\n ClientIp: %s\r\n",ethernet.getMACAddress(),ethernet.getIPAddress(),client.get_address());
dadangjia 0:ef802f772981 163 client.send(Buffer, sizeof(Buffer));
dadangjia 0:ef802f772981 164 }
dadangjia 0:ef802f772981 165 }
dadangjia 0:ef802f772981 166 if(client.is_fin_received())
dadangjia 0:ef802f772981 167 client.close();
dadangjia 0:ef802f772981 168 }
dadangjia 0:ef802f772981 169 pc.printf("Disconnected.\r\n");
dadangjia 0:ef802f772981 170 sendStrXY(bufferclear,3,0);
dadangjia 0:ef802f772981 171 //sendStrXY(bufferclear,7,0);
dadangjia 0:ef802f772981 172 myled2=1;
dadangjia 0:ef802f772981 173 }
dadangjia 0:ef802f772981 174 }
dadangjia 0:ef802f772981 175
dadangjia 0:ef802f772981 176
dadangjia 0:ef802f772981 177
dadangjia 0:ef802f772981 178 int main() {
dadangjia 0:ef802f772981 179 pc.printf("Start\r\n");
dadangjia 0:ef802f772981 180 oled_init();
dadangjia 0:ef802f772981 181 wait(5);
dadangjia 0:ef802f772981 182 while(1)
dadangjia 0:ef802f772981 183 {
dadangjia 0:ef802f772981 184 w5500_httpserver();
dadangjia 0:ef802f772981 185 }
dadangjia 0:ef802f772981 186 }