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Diffstat (limited to 'code/fe310/eos/msgq.c')
-rw-r--r--code/fe310/eos/msgq.c108
1 files changed, 0 insertions, 108 deletions
diff --git a/code/fe310/eos/msgq.c b/code/fe310/eos/msgq.c
deleted file mode 100644
index e76090c..0000000
--- a/code/fe310/eos/msgq.c
+++ /dev/null
@@ -1,108 +0,0 @@
-#include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
-
-#include "eos.h"
-#include "msgq.h"
-
-#define IDX_MASK(IDX, SIZE) ((IDX) & ((SIZE) - 1))
-#define IDX_HALF ((uint8_t)1 << (sizeof(uint8_t) * 8 - 1))
-#define IDX_LT(a,b) ((uint8_t)((uint8_t)(a) - (uint8_t)(b)) > IDX_HALF)
-#define IDX_LTE(a,b) ((uint8_t)((uint8_t)(b) - (uint8_t)(a)) < IDX_HALF)
-
-void eos_msgq_init(EOSMsgQ *msgq, EOSMsgItem *array, uint8_t size) {
- msgq->idx_r = 0;
- msgq->idx_w = 0;
- msgq->size = size;
- msgq->array = array;
-}
-
-int eos_msgq_push(EOSMsgQ *msgq, unsigned char type, unsigned char *buffer, uint16_t len) {
- if ((uint8_t)(msgq->idx_w - msgq->idx_r) == msgq->size) return EOS_ERR_FULL;
-
- uint8_t idx = IDX_MASK(msgq->idx_w, msgq->size);
- msgq->array[idx].type = type;
- msgq->array[idx].buffer = buffer;
- msgq->array[idx].len = len;
- msgq->idx_w++;
- return EOS_OK;
-}
-
-void eos_msgq_pop(EOSMsgQ *msgq, unsigned char *type, unsigned char **buffer, uint16_t *len) {
- if (msgq->idx_r == msgq->idx_w) {
- *type = 0;
- *buffer = NULL;
- *len = 0;
- } else {
- uint8_t idx = IDX_MASK(msgq->idx_r, msgq->size);
- *type = msgq->array[idx].type;
- *buffer = msgq->array[idx].buffer;
- *len = msgq->array[idx].len;
- msgq->idx_r++;
- }
-}
-
-int eos_msgq_get(EOSMsgQ *msgq, unsigned char type, unsigned char *selector, uint16_t sel_len, unsigned char **buffer, uint16_t *len) {
- uint8_t i, j, idx;
-
- if (msgq->idx_r == msgq->idx_w) {
- *buffer = NULL;
- *len = 0;
- return 0;
- }
-
- idx = IDX_MASK(msgq->idx_r, msgq->size);
- if (type == msgq->array[idx].type) {
- *buffer = msgq->array[idx].buffer;
- *len = msgq->array[idx].len;
- if ((selector == NULL) || (sel_len == 0) || ((sel_len <= *len) && (memcmp(selector, *buffer, sel_len) == 0))) {
- msgq->idx_r++;
- return 1;
- }
- }
- for (i = msgq->idx_r + 1; IDX_LT(i, msgq->idx_w); i++) {
- idx = IDX_MASK(i, msgq->size);
- if (type== msgq->array[idx].type) {
- *buffer = msgq->array[idx].buffer;
- *len = msgq->array[idx].len;
- if ((selector == NULL) || (sel_len == 0) || ((sel_len <= *len) && (memcmp(selector, *buffer, sel_len) == 0))) {
- for (j = i + 1; IDX_LT(j, msgq->idx_w); j++) {
- msgq->array[IDX_MASK(j - 1, msgq->size)] = msgq->array[IDX_MASK(j, msgq->size)];
- }
- msgq->idx_w--;
- return 1;
- }
- }
- }
- *buffer = NULL;
- *len = 0;
- return 0;
-}
-
-uint8_t eos_msgq_len(EOSMsgQ *msgq) {
- return (uint8_t)(msgq->idx_w - msgq->idx_r);
-}
-
-void eos_bufq_init(EOSBufQ *bufq, unsigned char **array, uint8_t size) {
- bufq->idx_r = 0;
- bufq->idx_w = 0;
- bufq->size = size;
- bufq->array = array;
-}
-
-int eos_bufq_push(EOSBufQ *bufq, unsigned char *buffer) {
- if ((uint8_t)(bufq->idx_w - bufq->idx_r) == bufq->size) return EOS_ERR_FULL;
-
- bufq->array[IDX_MASK(bufq->idx_w++, bufq->size)] = buffer;
- return EOS_OK;
-}
-
-unsigned char *eos_bufq_pop(EOSBufQ *bufq) {
- if (bufq->idx_r == bufq->idx_w) return NULL;
-
- return bufq->array[IDX_MASK(bufq->idx_r++, bufq->size)];
-}
-
-uint8_t eos_bufq_len(EOSBufQ *bufq) {
- return (uint8_t)(bufq->idx_w - bufq->idx_r);
-}