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September 6, 2012 00:27
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Example menu and relay control sketch for the Wireless Thermostat/Temperature board
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| /* | |
| Demonstration sketch for the Hobbybotics Wireless Thermostat/Temperature Node. | |
| Creates a LCD menu system and allows ON/OFF control for the relays on the System | |
| Output Controller board. | |
| Sections of code that is not needed for this demonstration is commented out | |
| */ | |
| #include <MCP23008.h> // MCP23008 I/O Expander (I2C) | |
| #include <LCD.h> // I2C LCD | |
| #include <Wire.h> // I2C functions | |
| /*----------------------------------------------------------------------------------------------- | |
| * Menu data type | |
| * ----------------------------------------------------------------------------------------------*/ | |
| struct{ | |
| int row; | |
| int col; | |
| int index; | |
| int menutype; | |
| } menu; | |
| /*----------------------------------------------------------------------------------------------- | |
| * Enumerated types | |
| * ----------------------------------------------------------------------------------------------*/ | |
| // OFF = 0, ON = 1 | |
| enum state{ | |
| OFF, | |
| ON | |
| }; | |
| /*----------------------------------------------------------------------------------------------- | |
| * Create object references | |
| * ----------------------------------------------------------------------------------------------*/ | |
| // Default I2C address for LCD is 0 | |
| LCD lcd; | |
| // Setup MCP23008 I/O Expander instance to communicate with the menu buttons--address 1 | |
| MCP23008 buttons; | |
| // Setup MCP23008 I/O Expander instance to communicate with the relays--address 2 | |
| MCP23008 relays; | |
| /*----------------------------------------------------------------------------------------------- | |
| * Button macros | |
| * ----------------------------------------------------------------------------------------------*/ | |
| #define up_button buttons.digitalRead(0) | |
| #define select_button buttons.digitalRead(1) | |
| #define down_button buttons.digitalRead(2) | |
| #define left_button buttons.digitalRead(3) | |
| #define right_button buttons.digitalRead(4) | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: init_buttons | |
| * Description: Initialize buttons. Buttons are connected to MCP23008 I/O Expander (address 1) | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void init_buttons(){ | |
| buttons.begin(1); | |
| for(int x = 0; x <= 7; x++){ | |
| buttons.pinMode(x, INPUT); | |
| } | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: init_relays | |
| * Description: Initialize relays. Relays are connected to MCP23008 I/O Expander (address 2) | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void init_relays(){ | |
| relays.begin(2); | |
| for(int x = 0; x <= 7; x++){ | |
| relays.pinMode(x, OUTPUT); | |
| } | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: set_relay | |
| * Description: Set relay(ON/OFF) | |
| * Ins: Integer value for relay (0-7) | |
| * Integer value for state (ON = 1/OFF = 0) | |
| * | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void set_relay(int relaynum, int state){ | |
| relays.digitalWrite(relaynum, state); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: set_all_relays | |
| * Description: Set all relays(ON/OFF) | |
| * Ins: Integer value for state (ON = 1/OFF = 0) | |
| * | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void set_all_relays(int state){ | |
| for(int x = 0; x <= 7; x++){ | |
| relays.digitalWrite(x, state); | |
| } | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: get_relay_state | |
| * Description: Get relay state(ON = 1/OFF = 0) | |
| * Ins: Integer value for relay (0-7) | |
| * Outs: relay state (1 = ON, 0 = OFF) | |
| * ----------------------------------------------------------------------------------------------*/ | |
| int get_relay_state(int relaynum){ | |
| return relays.digitalRead(relaynum); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: check_menu_buttons | |
| * Description: Menu navigation buttons | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void check_menu_buttons(){ | |
| while (select_button != 0){ | |
| if (up_button == 0){ | |
| while (up_button == 0) {} | |
| delay(10); | |
| if (up_button == 1) | |
| scroll_up(); | |
| } | |
| if (down_button == 0){ | |
| while (down_button == 0) {} | |
| delay(10); | |
| if (down_button == 1) | |
| scroll_down(); | |
| } | |
| if (left_button == 0){ | |
| while (left_button == 0) {} | |
| delay(10); | |
| if (left_button == 1) | |
| scroll_left(); | |
| } | |
| if (right_button == 0){ | |
| while (right_button == 0) {} | |
| delay(10); | |
| if (right_button == 1) | |
| scroll_right(); | |
| } | |
| } | |
| if (select_button == 0){ | |
| while (select_button == 0){} | |
| delay(100); | |
| } | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: scroll_up | |
| * Description: Up direction menu button | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void scroll_up(){ | |
| // Dual column menu | |
| if (menu.menutype != 1){ | |
| switch(menu.index){ | |
| case 1: menu.row = 3; menu.col = 12; menu.index = 6; break; | |
| case 2: menu.row = 3; menu.col = 1; menu.index = 5; break; | |
| case 3: menu.row = 1; menu.col = 1; menu.index = 1; break; | |
| case 4: menu.row = 1; menu.col = 12; menu.index = 2; break; | |
| case 5: menu.row = 2; menu.col = 1; menu.index = 3; break; | |
| case 6: menu.row = 2; menu.col = 12; menu.index = 4; break; | |
| } | |
| } | |
| else{ | |
| // Single column menu | |
| switch(menu.index){ | |
| case 1: menu.row = 3; menu.col = 1; menu.index = 3; break; | |
| case 2: menu.row = 1; menu.col = 1; menu.index = 1; break; | |
| case 3: menu.row = 2; menu.col = 1; menu.index = 2; break; | |
| } | |
| } | |
| set_cursor(menu.col, menu.row); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: scroll_down | |
| * Description: Down direction menu button | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void scroll_down(){ | |
| // Dual column menu | |
| if (menu.menutype != 1){ | |
| switch(menu.index){ | |
| case 1: menu.row = 2; menu.col = 1; menu.index = 3; break; | |
| case 2: menu.row = 2; menu.col = 12; menu.index = 4; break; | |
| case 3: menu.row = 3; menu.col = 1; menu.index = 5; break; | |
| case 4: menu.row = 3; menu.col = 12; menu.index = 6; break; | |
| case 5: menu.row = 1; menu.col = 12; menu.index = 2; break; | |
| case 6: menu.row = 1; menu.col = 1; menu.index = 1; break; | |
| } | |
| } | |
| else{ | |
| // Single column menu | |
| switch(menu.index){ | |
| case 1: menu.row = 2; menu.col = 1; menu.index = 2; break; | |
| case 2: menu.row = 3; menu.col = 1; menu.index = 3; break; | |
| case 3: menu.row = 1; menu.col = 1; menu.index = 1; break; | |
| } | |
| } | |
| set_cursor(menu.col, menu.row); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: scroll_left | |
| * Description: Previous direction menu button | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void scroll_left(){ | |
| // Single column vertical menu | |
| if (menu.menutype == 1){ | |
| switch(menu.index){ | |
| case 1: menu.row = 3; menu.col = 1; menu.index = 3; break; | |
| case 2: menu.row = 1; menu.col = 1; menu.index = 1; break; | |
| case 3: menu.row = 2; menu.col = 1; menu.index = 2; break; | |
| } | |
| } | |
| // Dual column menu | |
| if (menu.menutype == 2){ | |
| switch(menu.index){ | |
| case 1: menu.row = 3; menu.col = 12; menu.index = 6; break; | |
| case 2: menu.row = 1; menu.col = 1; menu.index = 1; break; | |
| case 3: menu.row = 1; menu.col = 12; menu.index = 2; break; | |
| case 4: menu.row = 2; menu.col = 1; menu.index = 3; break; | |
| case 5: menu.row = 2; menu.col = 12; menu.index = 4; break; | |
| case 6: menu.row = 3; menu.col = 1; menu.index = 5; break; | |
| } | |
| } | |
| set_cursor(menu.col, menu.row); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: scroll_right | |
| * Description: Next direction menu button | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void scroll_right(){ | |
| // Single column vertical menu | |
| if (menu.menutype == 1){ | |
| switch(menu.index){ | |
| case 1: menu.row = 2; menu.col = 1; menu.index = 2; break; | |
| case 2: menu.row = 3; menu.col = 1; menu.index = 3; break; | |
| case 3: menu.row = 1; menu.col = 1; menu.index = 1; break; | |
| } | |
| } | |
| // Dual column menu | |
| if (menu.menutype == 2){ | |
| switch(menu.index){ | |
| case 1: menu.row = 1; menu.col = 12; menu.index = 2; break; | |
| case 2: menu.row = 2; menu.col = 1; menu.index = 3; break; | |
| case 3: menu.row = 2; menu.col = 12; menu.index = 4; break; | |
| case 4: menu.row = 3; menu.col = 1; menu.index = 5; break; | |
| case 5: menu.row = 3; menu.col = 12; menu.index = 6; break; | |
| case 6: menu.row = 1; menu.col = 1; menu.index = 1; break; | |
| } | |
| } | |
| set_cursor(menu.col, menu.row); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: wait_key | |
| * Description: Just a generic pause routine | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void wait_key(){ | |
| while (select_button != 0) {} | |
| delay(300); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: set_cursor | |
| * Description: Set LCD cursor to column and row | |
| * Ins: Integer value for column and row | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void set_cursor(int col, int row){ | |
| lcd.setCursor(col, row); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: print_string | |
| * Description: Set LCD cursor to column and row and print string | |
| * Ins: Integer value for column and row. Pointer to string to print | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void print_string(char *str, int col, int row){ | |
| lcd.setCursor(col, row); | |
| lcd.print(str); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: print_custom_char | |
| * Description: Set LCD cursor to column and row and print custom LCD character | |
| * Ins: Integer value for column, row and address. | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void print_custom_char(int address, int col, int row){ | |
| lcd.setCursor(col, row); | |
| lcd.write(address); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: print_int | |
| * Description: Set LCD cursor to column and row and print a Integer | |
| * Ins: Integer value for column, row and number | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void print_int(int num, int col, int row){ | |
| lcd.setCursor(col, row); | |
| lcd.print(num); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: main_menu | |
| * Description: Main LCD menu | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void main_menu(){ | |
| menu.col = 1; | |
| menu.row = 1; | |
| menu.index = 1; | |
| menu.menutype = 1; | |
| lcd.clear(); | |
| print_string("--Relay Test Demo--", 0, 0); | |
| print_string("[ ]Set Relay", 0, 1); | |
| print_string("[ ]Set All Relays", 0, 2); | |
| print_string("[ ]Get Status", 0, 3); | |
| set_cursor(menu.col, menu.row); | |
| lcd.blink(); | |
| check_menu_buttons(); | |
| switch(menu.index){ | |
| case 1: set_relay_menu1(); break; | |
| case 2: set_all_relays_menu(); break; | |
| case 3: get_relay_status(); break; | |
| } | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: set_relay_menu1 | |
| * Description: Set state of relays 1-4 | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void set_relay_menu1(){ | |
| menu.col = 1; | |
| menu.row = 1; | |
| menu.index = 1; | |
| menu.menutype = 2; | |
| lcd.clear(); | |
| print_string("--Set Relay [Page 1]", 0, 0); | |
| print_string("[ ]Relay1 [ ]Relay2", 0, 1); | |
| print_string("[ ]Relay3 [ ]Relay4", 0, 2); | |
| print_string("[ ]Back [ ]Next", 0, 3); | |
| set_cursor(menu.col, menu.row); | |
| check_menu_buttons(); | |
| switch(menu.index){ | |
| case 1: set_relay1(); break; | |
| case 2: set_relay2(); break; | |
| case 3: set_relay3(); break; | |
| case 4: set_relay4(); break; | |
| case 5: main_menu(); break; | |
| case 6: set_relay_menu2(); break; | |
| } | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: set_relay_menu2 | |
| * Description: Set state of relays 5-8 | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void set_relay_menu2(){ | |
| menu.col = 1; | |
| menu.row = 1; | |
| menu.index = 1; | |
| menu.menutype = 2; | |
| lcd.clear(); | |
| print_string("--Set Relay [Page 2]", 0, 0); | |
| print_string("[ ]Relay5 [ ]Relay6", 0, 1); | |
| print_string("[ ]Relay7 [ ]Relay8", 0, 2); | |
| print_string("[ ]Back [ ]Exit", 0, 3); | |
| set_cursor(menu.col, menu.row); | |
| lcd.blink(); | |
| check_menu_buttons(); | |
| switch(menu.index){ | |
| case 1: set_relay5(); break; | |
| case 2: set_relay6(); break; | |
| case 3: set_relay7(); break; | |
| case 4: set_relay8(); break; | |
| case 5: set_relay_menu1(); break; | |
| case 6: main_menu(); break; | |
| } | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: set_all_relays_menu | |
| * Description: Set state of all relays | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void set_all_relays_menu(){ | |
| menu.col = 1; | |
| menu.row = 1; | |
| menu.index = 1; | |
| menu.menutype = 1; | |
| lcd.clear(); | |
| print_string("--Set All Relays", 0, 0); | |
| set_relay_dialog(); | |
| set_cursor(menu.col, menu.row); | |
| lcd.blink(); | |
| check_menu_buttons(); | |
| switch(menu.index){ | |
| case 1: set_all_relays(1); break; | |
| case 2: set_all_relays(0); break; | |
| case 3: main_menu(); break; | |
| } | |
| set_all_relays_menu(); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: get_relay_status | |
| * Description: | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void get_relay_status(){ | |
| lcd.clear(); | |
| print_string("--Relay Status--", 0, 0); | |
| print_string("R1: R2: R3: R4: ", 0, 1); | |
| print_string("S1: S2: S3: S4: ", 0, 2); | |
| print_string("[ ]Back", 0, 3); | |
| print_int(get_relay_state(0), 3, 1); | |
| print_int(get_relay_state(1), 8, 1); | |
| print_int(get_relay_state(2), 13, 1); | |
| print_int(get_relay_state(3), 18, 1); | |
| print_int(get_relay_state(4), 3, 2); | |
| print_int(get_relay_state(5), 8, 2); | |
| print_int(get_relay_state(6), 13, 2); | |
| print_int(get_relay_state(7), 18, 2); | |
| set_cursor(1, 3); | |
| wait_key(); | |
| main_menu(); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: set_relay1 | |
| * Description: Turn on/off relay 1 | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void set_relay1(){ | |
| menu.col = 1; | |
| menu.row = 1; | |
| menu.index = 1; | |
| menu.menutype = 1; | |
| lcd.clear(); | |
| print_string("--Set Relay 1--", 0, 0); | |
| set_relay_dialog(); | |
| set_cursor(menu.col, menu.row); | |
| check_menu_buttons(); | |
| switch(menu.index){ | |
| case 1: set_relay(0, ON); break; | |
| case 2: set_relay(0, OFF); break; | |
| case 3: set_relay_menu1(); break; | |
| } | |
| set_relay1(); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: set_relay2 | |
| * Description: Turn on/off relay 2 | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void set_relay2(){ | |
| menu.col = 1; | |
| menu.row = 1; | |
| menu.index = 1; | |
| menu.menutype = 1; | |
| lcd.clear(); | |
| print_string("--Set Relay 2--", 0, 0); | |
| set_relay_dialog(); | |
| set_cursor(menu.col, menu.row); | |
| check_menu_buttons(); | |
| switch(menu.index){ | |
| case 1: set_relay(1, ON); break; | |
| case 2: set_relay(1, OFF); break; | |
| case 3: set_relay_menu1(); break; | |
| } | |
| set_relay2(); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: set_relay3 | |
| * Description: Turn on/off relay 3 | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void set_relay3(){ | |
| menu.col = 1; | |
| menu.row = 1; | |
| menu.index = 1; | |
| menu.menutype = 1; | |
| lcd.clear(); | |
| print_string("--Set Relay 3--", 0, 0); | |
| set_relay_dialog(); | |
| set_cursor(menu.col, menu.row); | |
| check_menu_buttons(); | |
| switch(menu.index){ | |
| case 1: set_relay(2, ON); break; | |
| case 2: set_relay(2, OFF); break; | |
| case 3: set_relay_menu1(); break; | |
| } | |
| set_relay3(); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: set_relay4 | |
| * Description: Turn on/off relay 4 | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void set_relay4(){ | |
| menu.col = 1; | |
| menu.row = 1; | |
| menu.index = 1; | |
| menu.menutype = 1; | |
| lcd.clear(); | |
| print_string("--Set Relay 4--", 0, 0); | |
| set_relay_dialog(); | |
| set_cursor(menu.col, menu.row); | |
| check_menu_buttons(); | |
| switch(menu.index){ | |
| case 1: set_relay(3, ON); break; | |
| case 2: set_relay(3, OFF); break; | |
| case 3: set_relay_menu1(); break; | |
| } | |
| set_relay4(); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: set_relay5 | |
| * Description: Turn on/off relay 5 | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void set_relay5(){ | |
| menu.col = 1; | |
| menu.row = 1; | |
| menu.index = 1; | |
| menu.menutype = 1; | |
| lcd.clear(); | |
| print_string("--Set Relay 5--", 0, 0); | |
| set_relay_dialog(); | |
| set_cursor(menu.col, menu.row); | |
| check_menu_buttons(); | |
| switch(menu.index){ | |
| case 1: set_relay(4, ON); break; | |
| case 2: set_relay(4, OFF); break; | |
| case 3: set_relay_menu2(); break; | |
| } | |
| set_relay5(); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: set_relay6 | |
| * Description: Turn on/off relay 6 | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void set_relay6(){ | |
| menu.col = 1; | |
| menu.row = 1; | |
| menu.index = 1; | |
| menu.menutype = 1; | |
| lcd.clear(); | |
| print_string("--Set Relay 6--", 0, 0); | |
| set_relay_dialog(); | |
| set_cursor(menu.col, menu.row); | |
| check_menu_buttons(); | |
| switch(menu.index){ | |
| case 1: set_relay(5, ON); break; | |
| case 2: set_relay(5, OFF); break; | |
| case 3: set_relay_menu2(); break; | |
| } | |
| set_relay6(); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: set_relay7 | |
| * Description: Turn on/off relay 7 | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void set_relay7(){ | |
| menu.col = 1; | |
| menu.row = 1; | |
| menu.index = 1; | |
| menu.menutype = 1; | |
| lcd.clear(); | |
| print_string("--Set Relay 7--", 0, 0); | |
| set_relay_dialog(); | |
| set_cursor(menu.col, menu.row); | |
| check_menu_buttons(); | |
| switch(menu.index){ | |
| case 1: set_relay(6, ON); break; | |
| case 2: set_relay(6, OFF); break; | |
| case 3: set_relay_menu2(); break; | |
| } | |
| set_relay7(); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: set_relay8 | |
| * Description: Turn on/off relay 8 | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void set_relay8(){ | |
| menu.col = 1; | |
| menu.row = 1; | |
| menu.index = 1; | |
| menu.menutype = 1; | |
| lcd.clear(); | |
| print_string("--Set Relay 8--", 0, 0); | |
| set_relay_dialog(); | |
| set_cursor(menu.col, menu.row); | |
| check_menu_buttons(); | |
| switch(menu.index){ | |
| case 1: set_relay(7, ON); break; | |
| case 2: set_relay(7, OFF); break; | |
| case 3: set_relay_menu2(); break; | |
| } | |
| set_relay8(); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Function: set_relay_dialog | |
| * Description: | |
| * Ins: none | |
| * Outs: none | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void set_relay_dialog(){ | |
| print_string("[ ]ON", 0, 1); | |
| print_string("[ ]OFF", 0, 2); | |
| print_string("[ ]Back", 0, 3); | |
| } | |
| /*----------------------------------------------------------------------------------------------- | |
| * Main Routine | |
| * ----------------------------------------------------------------------------------------------*/ | |
| void setup() { | |
| lcd.begin(20, 4); | |
| init_buttons(); | |
| init_relays(); | |
| } | |
| void loop() { | |
| main_menu(); | |
| } |
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