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MD_MAX72xx LED Matrix Arduino Library
2.4
Library to control connected MAX72XX devices as a pixel array
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Includes library definitions. More...

Macros | |
| #define | MAX_DEBUG 0 |
| Enable or disable (default) debugging output from the MD_MAX72xx library. | |
| #define | PRINT(s, v) |
| Print a string followed by a value (decimal) | |
| #define | PRINTX(s, v) |
| Print a string followed by a value (hex) | |
| #define | PRINTB(s, v) |
| Print a string followed by a value (binary) | |
| #define | PRINTS(s) |
| Print a string. | |
| #define | OP_NOOP 0 |
| MAX72xx opcode for NO OP. | |
| #define | OP_DIGIT0 1 |
| MAX72xx opcode for DIGIT0. | |
| #define | OP_DIGIT1 2 |
| MAX72xx opcode for DIGIT1. | |
| #define | OP_DIGIT2 3 |
| MAX72xx opcode for DIGIT2. | |
| #define | OP_DIGIT3 4 |
| MAX72xx opcode for DIGIT3. | |
| #define | OP_DIGIT4 5 |
| MAX72xx opcode for DIGIT4. | |
| #define | OP_DIGIT5 6 |
| MAX72xx opcode for DIGIT5. | |
| #define | OP_DIGIT6 7 |
| MAX72xx opcode for DIGIT6. | |
| #define | OP_DIGIT7 8 |
| MAX72xx opcode for DIGIT7. | |
| #define | OP_DECODEMODE 9 |
| MAX72xx opcode for DECODE MODE. | |
| #define | OP_INTENSITY 10 |
| MAX72xx opcode for SET INTENSITY. | |
| #define | OP_SCANLIMIT 11 |
| MAX72xx opcode for SCAN LIMIT. | |
| #define | OP_SHUTDOWN 12 |
| MAX72xx opcode for SHUT DOWN. | |
| #define | OP_DISPLAYTEST 15 |
| MAX72xx opcode for DISPLAY TEST. | |
| #define | ALL_CHANGED 0xff |
| Mask for all rows changed in a buffer structure. | |
| #define | ALL_CLEAR 0x00 |
| Mask for all rows clear in a buffer structure. | |
| #define | FONT_INDEX_SIZE 256 |
| Number of characters in a font table (ASCII maximum) | |
| #define | SPI_DATA_SIZE (sizeof(uint8_t)*_maxDevices*2) |
| Size of the SPI data buffers. | |
| #define | SPI_OFFSET(i, x) (((i)*2)+(x)) |
| SPI data offset for buffer i, digit x. | |
| #define | FIRST_BUFFER 0 |
| First buffer number. | |
| #define | LAST_BUFFER (_maxDevices-1) |
| Last buffer number. | |
| #define | HW_ROW(r) (r) |
| Pixel to hardware coordinate row mapping. | |
| #define | HW_COL(c) (c) |
| Pixel to hardware coordinate column mapping. | |
Variables | |
| uint8_t | _sysfont_var [] |
| System variable pitch font table. | |
Includes library definitions.