Pinmanee Truz
get an input from RFID to control the LCD
Fork of
LCD4884
by 
Dan Ghiciulescu
Diff: main.cpp
- Revision:
- 1:baf91b6482eb
- Child:
- 2:fb07a736e132
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sun Dec 10 16:17:13 2017 +0000
@@ -0,0 +1,263 @@
+#include "mbed.h"
+#include "LCD4884.h"
+#include "MFRC522.h"
+
+#define MF_RESET D8
+#define SPI_CS D10
+
+int ReadRFID();
+
+//LCD
+AnalogIn analog_button_select(A0);
+AnalogIn analog_button_press(A1);
+AnalogIn analog_button_alarm(A2);
+LCD4884 p;
+//Serial pc(D1 , D0);
+
+//RFID
+DigitalOut LedGreen(LED1);
+Serial pc(SERIAL_TX, SERIAL_RX);
+MFRC522 RfChip (PC_12, PC_11, PC_10, SPI_CS, MF_RESET);
+
+
+int main(void)
+{
+ p.LCD_init();
+ p.LCD_write_string(28,2,"Hello",MENU_NORMAL);
+ uint8_t state = 0;
+ double select, press, alarm;
+ int line, rfid_ID;
+
+ while(1) {
+
+ select = analog_button_select.read();
+ press = analog_button_press.read();
+
+ printf("x = %f\n",select);
+
+ if (state == 0) { // Home Page
+ p.backlight(0);
+ p.LCD_write_string(28,2,"Hello",MENU_NORMAL);
+ printf("I am in home page\n");
+ alarm = analog_button_alarm.read();
+ rfid_ID = ReadRFID();
+
+ if (alarm == 0) { // Alarm Page
+ printf("Alarm detected");
+ p.LCD_clear();
+ state = 2;
+ } else {
+ if (rfid_ID == 0) {
+ printf("Admin detected");
+ p.LCD_clear();
+ state = 1;
+ }
+ }
+
+ }
+
+ else if (state == 1) { //Admin Page
+ p.backlight(1);
+ p.LCD_write_string(25,0,"Admin",MENU_HIGHLIGHT);
+ p.LCD_write_string(0,1,"- Motion Graph",MENU_NORMAL);
+ p.LCD_write_string(0,2,"- AC Graph",MENU_NORMAL);
+ p.LCD_write_string(0,3,"- LDR Graph",MENU_NORMAL);
+ p.LCD_write_string(0,4,"Back",MENU_NORMAL);
+
+
+ while(1) {
+ select = analog_button_select.read();
+ press = analog_button_press.read();
+
+ if (select != 0 && press != 0) { // no press
+ if (line == 1) {
+ p.LCD_write_string(25,0,"Admin",MENU_NORMAL);
+ p.LCD_write_string(0,1,"- Motion Graph",MENU_HIGHLIGHT); //line = 0
+ p.LCD_write_string(0,2,"- AC Graph",MENU_NORMAL);
+ p.LCD_write_string(0,3,"- LDR Graph",MENU_NORMAL);
+ p.LCD_write_string(0,4,"Back",MENU_NORMAL);
+ }
+
+ else if (line == 2) {
+ p.LCD_write_string(25,0,"Admin",MENU_NORMAL);
+ p.LCD_write_string(0,1,"- Motion Graph",MENU_NORMAL);
+ p.LCD_write_string(0,2,"- AC Graph",MENU_HIGHLIGHT); //line = 1
+ p.LCD_write_string(0,3,"- LDR Graph",MENU_NORMAL);
+ p.LCD_write_string(0,4,"Back",MENU_NORMAL);
+ }
+
+ else if (line == 3) {
+ p.LCD_write_string(25,0,"Admin",MENU_NORMAL);
+ p.LCD_write_string(0,1,"- Motion Graph",MENU_NORMAL);
+ p.LCD_write_string(0,2,"- AC Graph",MENU_NORMAL);
+ p.LCD_write_string(0,3,"- LDR Graph",MENU_HIGHLIGHT); //line = 2
+ p.LCD_write_string(0,4,"Back",MENU_NORMAL);
+ }
+
+ else if (line == 4) {
+ p.LCD_write_string(25,0,"Admin",MENU_NORMAL);
+ p.LCD_write_string(0,1,"- Motion Graph",MENU_NORMAL);
+ p.LCD_write_string(0,2,"- AC Graph",MENU_NORMAL);
+ p.LCD_write_string(0,3,"- LDR Graph",MENU_NORMAL);
+ p.LCD_write_string(0,4,"Back",MENU_HIGHLIGHT); //line = 3
+ }
+ }
+
+ else if (select == 0) { // channel selecting button (down)
+ if (line < 4) {
+ //printf("line = %d\n",line);
+ line = line + 1;
+ wait_ms(250);
+ } else line = 0;
+ }
+
+ else if (press == 0) { // press button
+ //printf("i am in\n");
+ //printf("line = %d\n",line);
+
+ if(line == 0) {
+ state = 1;
+ line = 0;
+ break;
+ } else if(line == 1) {
+ state = 10;
+ break;
+ } else if(line == 2) {
+ state = 11;
+ break;
+ } else if(line == 3) {
+ state = 12;
+ break;
+ } else {
+ p.LCD_clear();
+ state = 0;
+ line = 0;
+ break;
+ }
+ }
+
+ }
+ }
+
+ else if (state == 10) { //Admin Page - Motion Graph
+ p.LCD_clear();
+ p.LCD_write_string(7,0,"Motion Graph",MENU_HIGHLIGHT);
+ wait_ms(250);
+
+ while(1) {
+ press = analog_button_press.read();
+
+ if (press == 0) {
+ printf("press\n");
+ p.LCD_clear();
+ state = 1;
+ line = 0;
+ break;
+ }
+ }
+ }
+
+ else if (state == 11) { //Admin Page - Air Conditioner Graph
+ p.LCD_clear();
+ p.LCD_write_string(20,0,"AC Graph",MENU_HIGHLIGHT);
+ wait_ms(250);
+
+ while(1) {
+ press = analog_button_press.read();
+
+ if (press == 0) {
+ printf("press\n");
+ p.LCD_clear();
+ state = 1;
+ line = 0;
+ break;
+ }
+ }
+ }
+
+ else if (state == 12) { //Admin Page - LDR Graph
+ p.LCD_clear();
+ p.LCD_write_string(17,0,"LDR Graph",MENU_HIGHLIGHT);
+ wait_ms(250);
+
+ while(1) {
+ press = analog_button_press.read();
+
+ if (press == 0) {
+ printf("press\n");
+ p.LCD_clear();
+ state = 1;
+ line = 0;
+ break;
+ }
+ }
+ }
+
+ else if (state == 2) {
+ p.LCD_clear();
+ while(1) {
+ p.backlight(0);
+ wait_ms(500);
+ p.backlight(1);
+ wait_ms(500);
+ p.LCD_write_string(25,1,"PEASE",MENU_NORMAL);
+ p.LCD_write_string(10,3,"TAP ID CARD",MENU_NORMAL);
+ wait_ms(250);
+ }
+ }
+
+ }
+}
+
+int ReadRFID()
+{
+ int data[10];
+ int card;
+ pc.printf("starting...\n");
+
+ // Init. RC522 Chip
+ RfChip.PCD_Init();
+
+ while(true) {
+ LedGreen != 0;
+
+ // Look for new cards
+ if(data[0] == 199 && data[1] == 230 &&data[2] == 46 &&data[3] == 0 ) {
+ //pc.printf(" admin \n");
+ data[0] = 0;
+ data[1] = 0;
+ data[2] = 0;
+ data[3] = 0;
+ card = 0;
+ return card;
+ }
+ if ( ! RfChip.PICC_IsNewCardPresent()) {
+ wait_ms(500);
+ continue;
+ }
+
+ // Select one of the cards
+ if ( ! RfChip.PICC_ReadCardSerial()) {
+ wait_ms(500);
+ continue;
+ }
+
+ LedGreen = 0;
+
+ // Print Card UID
+ pc.printf("Card UID: ");
+ for (uint8_t i = 0; i < RfChip.uid.size; i++) {
+ data[i] = RfChip.uid.uidByte[i];
+ pc.printf("%d ", data[i]);
+
+ }
+
+ //pc.printf("\n\r");
+ //pc.printf("\n\r");
+ //char data[0];
+ //pc.printf(" %X02", data[0]);
+ //pc.printf(" %s\n", data[0]);
+
+ pc.printf("\n\r");
+ }
+}