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| 64 | * @param name FIFO name. |
64 | * @param name FIFO name. |
| 65 | * |
65 | * |
| 66 | * @return Leading value in FIFO. |
66 | * @return Leading value in FIFO. |
| 67 | */ |
67 | */ |
| 68 | #define fifo_pop(name) \ |
68 | #define fifo_pop(name) \ |
| 69 | name.fifo[name.head = (name.head + 1) % name.items] |
69 | name.fifo[name.head = (name.head + 1) < name.items ? (name.head + 1) : 0] |
| 70 | 70 | ||
| 71 | /** Push value to tail of FIFO. |
71 | /** Push value to tail of FIFO. |
| 72 | * |
72 | * |
| 73 | * @param name FIFO name. |
73 | * @param name FIFO name. |
| 74 | * @param value Value to be appended to FIFO. |
74 | * @param value Value to be appended to FIFO. |
| 75 | * |
75 | * |
| 76 | */ |
76 | */ |
| 77 | #define fifo_push(name, value) \ |
77 | #define fifo_push(name, value) \ |
| 78 | name.fifo[name.tail = (name.tail + 1) % name.items] = (value) |
78 | name.fifo[name.tail = (name.tail + 1) < name.items ? (name.tail + 1) : 0] = (value) |
| 79 | 79 | ||
| 80 | #endif |
80 | #endif |