doc: renamed project
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SylvanArnold
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Sylvan Arnold
Sylvan Arnold
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201
pico-sensor/McuLib/RNet/RMSG.c
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201
pico-sensor/McuLib/RNet/RMSG.c
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/**
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* \file
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* \brief This implements a queue/buffer for radio messages
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* \author (c) 2013-2014 Erich Styger, http://mcuoneclipse.com/
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* \note MIT License (http://opensource.org/licenses/mit-license.html), see 'RNet_License.txt'
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*
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* This module uses queues to retrieve and store radio messages.
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*/
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#include "McuRNetConfig.h"
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#if McuRNET_CONFIG_IS_ENABLED
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#include "Radio.h"
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#include "RMSG.h"
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#include "McuRTOS.h"
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#include "RPHY.h"
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/* Configuration for tx and rx queues */
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#define RMSG_QUEUE_RX_NOF_ITEMS (RNET_CONFIG_MSG_QUEUE_NOF_RX_ITEMS) /* number of items in the queue */
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#define RMSG_QUEUE_TX_NOF_ITEMS (RNET_CONFIG_MSG_QUEUE_NOF_TX_ITEMS) /* number of items in the queue */
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#define RMSG_QUEUE_PUT_WAIT (RNET_CONFIG_MSG_QUEUE_PUT_BLOCK_TIME_TICKS) /* blocking time (ticks!) for putting messages into queue */
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static QueueHandle_t RMSG_MsgRxQueue, RMSG_MsgTxQueue; /* queue for messages, format is: kind(8bit) dataSize(8bit) data */
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unsigned int RMSG_RxQueueNofItems(void) {
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return (unsigned int)McuRTOS_uxQueueMessagesWaiting(RMSG_MsgRxQueue);
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}
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unsigned int RMSG_TxQueueNofItems(void) {
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return (unsigned int)McuRTOS_uxQueueMessagesWaiting(RMSG_MsgTxQueue);
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}
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uint8_t RMSG_FlushRxQueue(void) {
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if (McuRTOS_xQueueReset(RMSG_MsgRxQueue)!=pdPASS) {
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return ERR_FAILED;
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}
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return ERR_OK;
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}
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uint8_t RMSG_FlushTxQueue(void) {
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if (McuRTOS_xQueueReset(RMSG_MsgTxQueue)!=pdPASS) {
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return ERR_FAILED;
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}
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return ERR_OK;
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}
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uint8_t RMSG_QueuePut(uint8_t *buf, size_t bufSize, uint8_t payloadSize, bool fromISR, bool isTx, bool toBack, RPHY_FlagsType flags) {
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/* data format is: dataSize(8bit) data */
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uint8_t res = ERR_OK;
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QueueHandle_t queue;
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BaseType_t qRes;
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if (payloadSize>RPHY_PAYLOAD_SIZE) {
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return ERR_OVERFLOW; /* more data than can fit into payload! */
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}
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if (bufSize!=RPHY_BUFFER_SIZE) {
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return ERR_FAILED; /* must be exactly this buffer size!!! */
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}
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if (isTx) {
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queue = RMSG_MsgTxQueue;
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} else {
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queue = RMSG_MsgRxQueue;
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}
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RPHY_BUF_FLAGS(buf) = flags;
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RPHY_BUF_SIZE(buf) = payloadSize;
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if (fromISR) {
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BaseType_t pxHigherPriorityTaskWoken;
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if (toBack) {
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qRes = McuRTOS_xQueueSendToBackFromISR(queue, buf, &pxHigherPriorityTaskWoken);
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} else {
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qRes = McuRTOS_xQueueSendToFrontFromISR(queue, buf, &pxHigherPriorityTaskWoken);
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}
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if (qRes!=pdTRUE) {
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/* was not able to send to the queue. Well, not much we can do here... */
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res = ERR_BUSY;
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} else {
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if (isTx) {
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RADIO_NotifyFromInterrupt(RADIO_FLAG_TX_REQUEST, &pxHigherPriorityTaskWoken);
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}
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}
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} else {
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if (toBack) {
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qRes = McuRTOS_xQueueSendToBack(queue, buf, RMSG_QUEUE_PUT_WAIT);
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} else {
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qRes = McuRTOS_xQueueSendToFront(queue, buf, RMSG_QUEUE_PUT_WAIT);
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}
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if (qRes!=pdTRUE) {
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res = ERR_BUSY;
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} else {
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if (isTx) {
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RADIO_Notify(RADIO_FLAG_TX_REQUEST);
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}
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}
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}
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return res;
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}
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uint8_t RMSG_PutRetryTxMsg(uint8_t *buf, size_t bufSize) {
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if (bufSize<RPHY_BUFFER_SIZE) {
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return ERR_OVERFLOW; /* not enough space in buffer */
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}
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if (McuRTOS_xQueueSendToFront(RMSG_MsgTxQueue, buf, 0)==pdPASS) {
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RADIO_Notify(RADIO_FLAG_TX_REQUEST);
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return ERR_OK; /* success adding message to queue */
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}
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return ERR_RXEMPTY;
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}
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uint8_t RMSG_GetTxMsg(uint8_t *buf, size_t bufSize) {
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if (bufSize<RPHY_BUFFER_SIZE) {
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return ERR_OVERFLOW; /* not enough space in buffer */
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}
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if (McuRTOS_xQueueReceive(RMSG_MsgTxQueue, buf, 0)==pdPASS) {
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return ERR_OK; /* received message from queue */
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}
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return ERR_RXEMPTY;
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}
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uint8_t RMSG_GetRxMsg(uint8_t *buf, size_t bufSize) {
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/* first byte in the queue is the size of the item */
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if (bufSize<RPHY_BUFFER_SIZE) {
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return ERR_OVERFLOW; /* not enough space in buffer */
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}
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if (McuRTOS_xQueueReceive(RMSG_MsgRxQueue, buf, 0)==pdPASS) { /* immediately returns if queue is empty */
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return ERR_OK; /* received message from queue */
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}
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return ERR_RXEMPTY;
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}
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uint8_t RMSG_QueueTxMsg(uint8_t *buf, size_t bufSize, uint8_t payloadSize, RPHY_FlagsType flags) {
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return RMSG_QueuePut(buf, bufSize, payloadSize, FALSE, TRUE, TRUE, flags);
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}
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uint8_t RMSG_QueueRxMsg(uint8_t *buf, size_t bufSize, uint8_t payloadSize, RPHY_FlagsType flags) {
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return RMSG_QueuePut(buf, bufSize, payloadSize, FALSE, FALSE, TRUE, flags);
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}
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static uint8_t RMSG_PrintHelp(const McuShell_StdIOType *io) {
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McuShell_SendHelpStr((unsigned char*)"rmsg", (unsigned char*)"Group of rmsg commands\r\n", io->stdOut);
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McuShell_SendHelpStr((unsigned char*)" help|status", (unsigned char*)"Shows radio help or status\r\n", io->stdOut);
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return ERR_OK;
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}
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static uint8_t RMSG_PrintStatus(const McuShell_StdIOType *io) {
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uint8_t buf[32];
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McuShell_SendStatusStr((unsigned char*)"rmsg", (unsigned char*)"\r\n", io->stdOut);
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McuUtility_Num32uToStr(buf, sizeof(buf), RMSG_RxQueueNofItems());
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McuUtility_strcat(buf, sizeof(buf), (unsigned char*)" items\r\n");
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McuShell_SendStatusStr((unsigned char*)" rx", buf, io->stdOut);
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McuUtility_Num32uToStr(buf, sizeof(buf), RMSG_TxQueueNofItems());
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McuUtility_strcat(buf, sizeof(buf), (unsigned char*)" items\r\n");
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McuShell_SendStatusStr((unsigned char*)" tx", buf, io->stdOut);
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return ERR_OK;
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}
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uint8_t RMSG_ParseCommand(const unsigned char *cmd, bool *handled, const McuShell_StdIOType *io) {
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uint8_t res = ERR_OK;
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if (McuUtility_strcmp((char*)cmd, (char*)McuShell_CMD_HELP)==0 || McuUtility_strcmp((char*)cmd, (char*)"rmsg help")==0) {
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*handled = TRUE;
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return RMSG_PrintHelp(io);
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} else if (McuUtility_strcmp((char*)cmd, (char*)McuShell_CMD_STATUS)==0 || McuUtility_strcmp((char*)cmd, (char*)"rmsg status")==0) {
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*handled = TRUE;
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return RMSG_PrintStatus(io);
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}
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return res;
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}
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void RMSG_Deinit(void) {
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McuRTOS_vQueueUnregisterQueue(RMSG_MsgRxQueue);
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McuRTOS_vQueueDelete(RMSG_MsgRxQueue);
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RMSG_MsgRxQueue = NULL;
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McuRTOS_vQueueUnregisterQueue(RMSG_MsgTxQueue);
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McuRTOS_vQueueDelete(RMSG_MsgTxQueue);
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RMSG_MsgTxQueue = NULL;
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}
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void RMSG_Init(void) {
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RMSG_MsgRxQueue = McuRTOS_xQueueCreate(RMSG_QUEUE_RX_NOF_ITEMS, RPHY_BUFFER_SIZE);
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if (RMSG_MsgRxQueue==NULL) { /* queue creation failed! */
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for(;;) {} /* not enough memory? */
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}
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McuRTOS_vQueueAddToRegistry(RMSG_MsgRxQueue, "RadioRxMsg");
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#if configUSE_TRACE_HOOKS
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vTraceSetQueueName(RMSG_MsgRxQueue, "RadioRxMsg");
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#endif
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RMSG_MsgTxQueue = McuRTOS_xQueueCreate(RMSG_QUEUE_TX_NOF_ITEMS, RPHY_BUFFER_SIZE);
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if (RMSG_MsgTxQueue==NULL) { /* queue creation failed! */
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for(;;) {} /* not enough memory? */
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}
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McuRTOS_vQueueAddToRegistry(RMSG_MsgTxQueue, "RadioTxMsg");
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#if configUSE_TRACE_HOOKS
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vTraceSetQueueName(RMSG_MsgTxQueue, "RadioTxMsg");
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#endif
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}
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#endif /* McuRNET_CONFIG_IS_ENABLED */
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