1.  
2. #include <MD_Parola.h>
3. #include <MD_MAX72xx.h>
4. #include <SPI.h>
5. #include "Font_Data.h"
6.  
7. #define DEBUG 0
8.  
9. #define HARDWARE_TYPE MD_MAX72XX::FC16_HW
10. #define MAX_ZONES 2
11. #define ZONE_SIZE 8
12. #define MAX_DEVICES (MAX_ZONES * ZONE_SIZE)
13. #define SCROLL_SPEED  30
14.  
15. #define ZONE_UPPER  1
16. #define ZONE_LOWER  0
17.  
18. #define CLK_PIN   13
19. #define DATA_PIN  11
20. #define CS_PIN    10
21.  
22. // HARDWARE SPI
23. MD_Parola P = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);
24. // SOFTWARE SPI
25. //MD_Parola P = MD_Parola(HARDWARE_TYPE, DATA_PIN, CLK_PIN, CS_PIN, MAX_DEVICES);
26.  
27. // Hardware adaptation parameters for scrolling
28. bool invertUpperZone = false;
29.  
30. #define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
31. char *msg[] =
32. {
33.   "HellO",
34.  
35. };
36.  
37. void setup(void)
38. {
39.   invertUpperZone = (HARDWARE_TYPE == MD_MAX72XX::GENERIC_HW || HARDWARE_TYPE == MD_MAX72XX::PAROLA_HW);
40.  
41. #if DEBUG
42.   Serial.begin(57600);
43.   Serial.println("[Double Height demo start]");
44. #endif
45.  
46.   P.begin(MAX_ZONES);
47.  
48.   P.setZone(ZONE_LOWER, 0, ZONE_SIZE - 1);
49.   P.setFont(ZONE_LOWER, BigFontLower);
50.  
51.   P.setZone(ZONE_UPPER, ZONE_SIZE, MAX_DEVICES-1);
52.   P.setFont(ZONE_UPPER, BigFontUpper);
53.   P.setCharSpacing(P.getCharSpacing() * 2);
54.   if (invertUpperZone)
55.   {
56.     P.setZoneEffect(ZONE_UPPER, true, PA_FLIP_UD);
57.     P.setZoneEffect(ZONE_UPPER, true, PA_FLIP_LR);
58.   }
59. }
60.  
61. void loop(void)
62. {
63.   static uint8_t cycle = 0;
64.  
65.   P.displayAnimate();
66.  
67.   if (P.getZoneStatus(ZONE_LOWER) && P.getZoneStatus(ZONE_UPPER))
68.   {
69. #if DEBUG
70.     Serial.println(cycle);
71. #endif
72.  
73.     switch (cycle)
74.     {
75.     default:
76.       P.setFont(ZONE_LOWER, BigFontLower);
77.       P.setFont(ZONE_UPPER, BigFontUpper);
78.       if (invertUpperZone)
79.       {
80.         P.displayZoneText(ZONE_LOWER, msg[cycle], PA_LEFT, SCROLL_SPEED, 0, PA_SCROLL_LEFT, PA_SCROLL_LEFT);
81.         P.displayZoneText(ZONE_UPPER, msg[cycle], PA_LEFT, SCROLL_SPEED, 0, PA_SCROLL_RIGHT, PA_SCROLL_RIGHT);
82.       }
83.       else
84.       {
85.         P.displayZoneText(ZONE_LOWER, msg[cycle], PA_RIGHT, SCROLL_SPEED, 0, PA_SCROLL_LEFT, PA_SCROLL_LEFT);
86.         P.displayZoneText(ZONE_UPPER, msg[cycle], PA_LEFT, SCROLL_SPEED, 0, PA_SCROLL_LEFT, PA_SCROLL_LEFT);
87.       }
88.  
89.       break;
90.     }
91.  
92.     cycle = (cycle + 1) % ARRAY_SIZE(msg);
93.  
94.     P.displayClear();
95.     P.synchZoneStart();
96.   }
97. }