Sump Pump Monitor v1.00 12-16-16 ABEtronics.com http://www.abetronics.com/?page_id=380
Dependencies: STATIC_COLORS WIZnetInterface mbed
Fork of HTTP_SDCard_File_Server_WIZwiki-W7500 by
Diff: main_SPM.cpp
- Revision:
- 15:e6985c3724a8
- Child:
- 16:b948cc536df5
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main_SPM.cpp Mon Nov 14 20:29:48 2016 +0000 @@ -0,0 +1,226 @@ +/* +========================================================================== +Project: Sump Pump Monitor +Description: Measure pump current to indicate run status. (10amp pump) +Date: 11-6-16 +Author: Jim Abraham +Board: WIZwiki-W7500 +Rev: +========================================================================== +*/ + +#include "mbed.h" +#include "EthernetInterface.h" +#include <stdio.h> +#include <string.h> + +#define USE_DHCP 0 // 0= no dhcp +#define MAC "\x00\x08\xDC\x11\x34\x78" +#define IP "192.168.0.12" +#define MASK "255.255.255.0" +#define GATEWAY "192.168.0.254" +#define HTTPD_SERVER_PORT 80 +#define HTTPD_MAX_REQ_LENGTH 1023 +#define HTTPD_MAX_HDR_LENGTH 255 +#define HTTPD_MAX_FNAME_LENGTH 127 +#define HTTPD_MAX_DNAME_LENGTH 127 + +#if defined(TARGET_WIZwiki_W7500) +Serial uart(USBTX, USBRX); +#include "static_colors.h" +// LED R : server listning status +// LED GREEN : socket connecting status Ok +// LED BLUE : socket connecting status Busy +#endif + +EthernetInterface eth; +TCPSocketServer server; +TCPSocketConnection client; + +//======================================================== +// Data Variables. +//======================================================== +int LP1,LP2,LP3; +float AMP_Reading_on_AO, AMPreadingHI, AMPreading; +char buffer[HTTPD_MAX_REQ_LENGTH+1]; +char httpHeader[HTTPD_MAX_HDR_LENGTH+1]; + +//----------------------------------------------------------- +// Initialize a pins to perform analog input +//----------------------------------------------------------- +AnalogIn ain0(A0); + +//----------------------------------------------------------- +void Serial_Interface_init(void) +//----------------------------------------------------------- +{ + // Serial Interface eth; + // Serial port configuration: + // 9600 baud, 8-bit data, no parity, stop bit + uart.baud(9600); + uart.format(8, SerialBase::None, 1); + uart.printf("Initializing\n"); + wait(1.0); +} + +//----------------------------------------------------------- +void ethernet_init(void) +//----------------------------------------------------------- +{ + // EthernetInterface eth; + uart.printf("Initializing Ethernet\n"); + #if USE_DHCP + //eth.init Use DHCP + // Use DHCP for WIZnetInterface + int ret = eth.init((uint8_t*)MAC); + uart.printf("Connecting DHCP\n"); + #else + // IP,mask,Gateway + int ret = eth.init((uint8_t*)MAC,IP,MASK,GATEWAY); + uart.printf("Connecting (IP,mask,Gateway)\n"); + #endif + wait(1.0); + // Check Ethernet Link-Done + uart.printf("Check Ethernet Link\r\n"); + + if(eth.link() == true) + { + uart.printf("- Ethernet PHY Link - Done\r\n"); + COLOR(_RED_); + } + else + { + uart.printf("- Ethernet PHY Link - Fail\r\n"); + COLOR(_BLACK_); + } + wait(1.0); + if(!ret) + { + uart.printf("Initialized, MAC: %s\r\n", eth.getMACAddress()); + ret = eth.connect(); + + if(!ret) + { + uart.printf("IP: %s, MASK: %s, GW: %s\r\n", + eth.getIPAddress(), eth.getNetworkMask(), eth.getGateway()); + COLOR(_CYAN_); + } + else + { + uart.printf("Error ethernet.connect() - ret = %d\r\n", ret); + COLOR(_YELLOW_); + exit(0); + } + } + else + { + uart.printf("Error ethernet.init() - ret = %d\r\n", ret); + COLOR(_BLACK_); + exit(0); + } + + wait(1.0); + // TCPSocketServer server; + server.bind(HTTPD_SERVER_PORT); + server.listen(); + uart.printf("Server Listening\n"); +} + +//----------------------------------------------------------- +void VAC_Zero_Cross(void) +//----------------------------------------------------------- +{ + LP1=0; // Indicator to exit while loop + if (LP2==1) + { +//Waits for the waveform to be close to 'zero' (500 adc) + while(LP1==0) + { + wait_us(100); + AMPreading=ain0.read(); + +//check its within range. (+/- 5) + if ((AMPreading < 0.5) && (AMPreading > 0.4)) + { + LP1=1; + } + } + } + LP2=1; +} + +//----------------------------------------------------------- + void Measure_AMPS(void) +//----------------------------------------------------------- +// Measure AC Current. +// 12bit ADC, 10MHz = 0.1usec conversion time. +// 12bit ADC (0-3.3v = 0-4095 values) 3.3/4096 = 0.81mv +// 1.65v = 2047 = 0 amps. +//----------------------------------------------------------- +{ + AMPreadingHI=0.0; + for (LP3=0; LP3<100; LP3++) + { + wait_us(200); + AMPreading=ain0.read(); + if (AMPreadingHI < AMPreading) AMPreadingHI = AMPreading; + } + + if (AMPreadingHI <0.6) + { + COLOR(_BLUE_); + } + else + { + COLOR(_GREEN_); + } + + AMP_Reading_on_AO = AMPreadingHI; + uart.printf("$%2.2f!", AMPreading); + sprintf(httpHeader,"$%2.2f!", AMP_Reading_on_AO); + client.send(httpHeader,strlen(httpHeader)); //send amps to PC. +} + + +//=================================================================== +int main(void) +//=================================================================== +{ +//RGB LED: +//WHITE = program running. +//RED = not connected to PC. +//GRN = pump running. +//BLUE = pump not running. + + Serial_Interface_init(); + ethernet_init(); + LP1=0; // Indicator to exit while loop + LP2=0; +//----------------------------------------------------------- + while(true) +//----------------------------------------------------------- + { + uart.printf("\nWait for new connection...\r\n"); + server.accept(client); + client.set_blocking(false, 1500); // Timeout after (1.5)s + uart.printf("Connection from: %s\r\n", client.get_address()); + +//----------------------------------------------------------- + while(true) +//----------------------------------------------------------- + { + if(!client.is_connected()) + { + COLOR(_RED_); + break; //exit while + } + // Mesure ADC 0 - Check Sump Pump Run Status + VAC_Zero_Cross(); + Measure_AMPS(); + wait(1.0); + COLOR(_WHITE_); + } +//----------------------------------------------------------- + client.close(); //close connection to pc app. + } +} \ No newline at end of file