Sukkin Pang
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Lancaster University
fds_cmd_queue_t Struct Reference
Defines command queue, an element is free if the op_code field is not invalid. More...
#include <fds_types_internal.h>
Data Fields | |
| fds_cmd_t | cmd [FDS_CMD_QUEUE_SIZE] |
| Array to maintain flash access operation details. | |
| uint8_t volatile | rp |
| The index of the command being executed. | |
| uint8_t volatile | count |
| Number of elements in the queue. | |
Detailed Description
Defines command queue, an element is free if the op_code field is not invalid.
Defines commands enqueued for flash access. At any point in time, this queue has one or more flash access operations pending if the count field is not zero. When the queue is not empty, the rp (read pointer) field points to the flash access command in progress or, if none is in progress, the command to be requested next. The queue implements a simple first in first out algorithm. Data addresses are assumed to be resident.
Definition at line 140 of file fds_types_internal.h.
Field Documentation
| fds_cmd_t cmd[FDS_CMD_QUEUE_SIZE] |
Array to maintain flash access operation details.
Definition at line 142 of file fds_types_internal.h.
| uint8_t volatile count |
Number of elements in the queue.
Definition at line 144 of file fds_types_internal.h.
| uint8_t volatile rp |
The index of the command being executed.
Definition at line 143 of file fds_types_internal.h.
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