ecd2012/messaging.c at master · wsheppard/ecd2012 · GitHub

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/******************************************************************************
*
*       File: messaging.c
*       Language: C
*       AUTHOR: S. W. Sheppard
*       E-Mail: sheppard.will@gmail.com
*       https://github.com/wsheppard/ecd2012
*
*
*       Description:
*           Wrappers for FreeRTOS queue functions.
*
*
*******************************************************************************/


#include "messaging.h"

int msg_newQueue(xQueueHandle*qhandle){

	xQueueHandle tempHandle = NULL;
	tempHandle = xQueueCreate(MSG_QUEUE_LENGTH, sizeof(msg_message_s));

	/* Sanity */
	if (qhandle == NULL){
		return ECD_ERROR;
	}

	if (tempHandle == 0) {
		/* Return error as couldn't create queue */
		return ECD_ERROR;
	}
	else {
		/* Set handle and return OK */
		*qhandle = tempHandle;
		return ECD_OK;
	}

	return ECD_ERROR;

}

int msg_rmQueue(xQueueHandle qHandle){

	if (qHandle == 0)
		return -1;

	vQueueDelete(qHandle);

	return ECD_OK;
}


int msg_send(xQueueHandle qHandle, msg_message_s msgMessage){

	/* Send it to the back of the queue, don't wait for the queue
		if it's full */
	if (xQueueSendToBack(qHandle, (void*)&msgMessage, 0) != pdTRUE){
		fprintf(stderr,"Sent message failed...\n");
		return -1;
	}
	else{
		//fprintf(stderr,"Sent message...\n");
		return 0;
	}

}


int msg_recv_noblock(xQueueHandle qHandle, msg_message_s*pMessage){

	if (qHandle == NULL){
		return ECD_ERROR;
	}

	if(pdTRUE==xQueueReceive( qHandle, pMessage, 0 )){
		return ECD_OK;
	}
	else{
		return ECD_NOMSG;
	}


}

int msg_recv_block(xQueueHandle qHandle, msg_message_s*pMessage){

	if (qHandle == NULL){
		return ECD_ERROR;
	}

	xQueueReceive( qHandle, pMessage, portMAX_DELAY );

	return ECD_OK;

}