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path: root/code/esp32/components/eos/msgq.c
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Diffstat (limited to 'code/esp32/components/eos/msgq.c')
-rw-r--r--code/esp32/components/eos/msgq.c31
1 files changed, 26 insertions, 5 deletions
diff --git a/code/esp32/components/eos/msgq.c b/code/esp32/components/eos/msgq.c
index 30fb0ad..22430b4 100644
--- a/code/esp32/components/eos/msgq.c
+++ b/code/esp32/components/eos/msgq.c
@@ -3,19 +3,19 @@
#include "eos.h"
#include "msgq.h"
-#define EOS_MSGQ_IDX_MASK(IDX, SIZE) ((IDX) & ((SIZE) - 1))
+#define IDX_MASK(IDX, SIZE) ((IDX) & ((SIZE) - 1))
void eos_msgq_init(EOSMsgQ *msgq, EOSMsgItem *array, uint8_t size) {
msgq->idx_r = 0;
msgq->idx_w = 0;
- msgq->array = array;
msgq->size = size;
+ msgq->array = array;
}
int eos_msgq_push(EOSMsgQ *msgq, unsigned char type, unsigned char *buffer, uint16_t len, uint8_t flags) {
if ((uint8_t)(msgq->idx_w - msgq->idx_r) == msgq->size) return EOS_ERR_FULL;
- uint8_t idx = EOS_MSGQ_IDX_MASK(msgq->idx_w, msgq->size);
+ 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;
@@ -28,13 +28,34 @@ void eos_msgq_pop(EOSMsgQ *msgq, unsigned char *type, unsigned char **buffer, ui
if (msgq->idx_r == msgq->idx_w) {
*type = 0;
*buffer = NULL;
+ *len = 0;
+ if (flags) *flags = 0;
} else {
- uint8_t idx = EOS_MSGQ_IDX_MASK(msgq->idx_r, msgq->size);
+ 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;
- *flags = msgq->array[idx].flags;
+ if (flags) *flags = msgq->array[idx].flags;
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)];
+}