![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
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Dependencies: EthernetInterface HTTPClient MFRC522 MbedJSONValue TextLCD mbed-rtos mbed
Fork of HEINEKEN_FRDM_K64F by
main.cpp
- Committer:
- mjovanov1
- Date:
- 2017-04-08
- Revision:
- 4:29b3b82dec0a
- Parent:
- 3:0b3943b9655d
File content as of revision 4:29b3b82dec0a:
#include "mbed.h" #include "MFRC522.h" #include "TextLCD.h" #include "EthernetInterface.h" #include <string> #include "MbedJSONValue.h" #define MF_RESET PTD0 DigitalOut LedRed(LED2); DigitalOut LedGreen(LED1); Serial pc(USBTX, USBRX); TextLCD lcd(PTC3, PTC2, PTA2, PTB23, PTA1, PTB9, TextLCD::LCD20x4); // rs, e, d4-d7 MFRC522 RfChip(PTD2, PTD3, PTD1, PTE25, PTD0); // mosi, miso, sclk, cs, reset DigitalOut ventil(PTB18); InterruptIn FLOW(PTE24); int Count; //float Calc_mL, Calc_L; float VOL; void rpm() { Count++; } void ScreenSTART() { lcd.cls(); lcd.printf(" HEINEKEN\n\n"); lcd.printf(" Set your bracelet\n"); lcd.printf(" against the reader"); } void ScreenNATOCI(int left) { lcd.cls(); lcd.printf("Pour your beer!\n\n"); lcd.printf("Left %d beers.",left); } void ScreenNEMA() { lcd.cls(); lcd.printf("\n Sorry no more\n beer for you."); wait(4); ScreenSTART(); } void ScreenTNX() { lcd.cls(); lcd.printf("\n Thank you\n for consumption!"); wait(4); ScreenSTART(); } void ScreenWrongID() { lcd.cls(); lcd.printf("\n You do not have\n the correct\n bracelet!"); wait(4); ScreenSTART(); } int main(void) { LedRed = 0; LedGreen = 0; ventil = 1; Count = 0; lcd.printf("Starting...\n\n"); pc.printf("\nStarting..\n"); EthernetInterface eth; eth.init("10.10.0.2","255.255.255.0","10.10.0.1"); //Use DHCP eth.connect(); //pc.printf("IP Address is %s\n\r", eth.getIPAddress()); TCPSocketConnection sock; RfChip.PCD_Init(); lcd.printf("Ready"); //pc.printf("Ready"); LedRed = 1; wait(.4); LedRed = 0; wait(.4); LedRed = 1; wait(.4); LedRed = 0; wait(.4); LedRed = 1; wait(.4); ScreenSTART(); while(1) { VOL = 0; LedRed = 1; LedGreen = 0; Count = 0; if ( ! RfChip.PICC_IsNewCardPresent()) { wait_ms(500); continue; } if ( ! RfChip.PICC_ReadCardSerial()) { wait_ms(500); continue; } char cID[22]; for (int i = 0; i < RfChip.uid.size; i++) { sprintf(cID+i*2, "%X02", RfChip.uid.uidByte[i]); } char http_cmd[1024]; sprintf(http_cmd,"POST /rest/tap/%s HTTP/1.0\n\n",cID); //pc.printf("\n\r%s\n\r",http_cmd); sock.connect("10.10.0.1", 8080); sock.send_all(http_cmd, sizeof(http_cmd)-1); char buffer[300]; int ret; while (true) { ret = sock.receive(buffer, sizeof(buffer)-1); if (ret <= 0) break; buffer[ret] = '\0'; //pc.printf("\n\r%s\n\r", buffer); } sock.close(); string responseFULL(buffer); int start = responseFULL.find("{",0); int end = responseFULL.find("}",start); string response = responseFULL.substr(start, end-start+1); //pc.printf("%s",response); MbedJSONValue responseJSON; parse(responseJSON, response.c_str()); int tap = responseJSON["tap"].get<int>(); int left = responseJSON["left"].get<int>(); pc.printf("tap? %d \n\r",tap); pc.printf("left beer %d \n\r",left); //pc.printf("%s \n\r",responseFULL); if(tap < 0) { ScreenWrongID(); } if(tap == 0) { ventil = 1; ScreenNEMA(); } if(tap == 1) { ventil = 0; ScreenNATOCI(left); while(ventil==0) { LedGreen = 1; LedRed = 0; FLOW.rise(&rpm); wait_ms(1500); // za 0,5 - 2000 FLOW.rise(NULL); //Calc = (Count * 60) / 7.5; //flow rate in L/hour //CalcMl = (Count * 8) / 3.6; //flow rate in mL/hour //pc.printf ("Flow L/hour: %d\r\n",Calc); //pc.printf ("Flow mL/s: %.2f\r\n",CalcMl); VOL += Count; //pc.printf("Sum = %.2f\n\r",sum); if(VOL>1600) { ventil = 1; ScreenTNX(); } } } } }