anguoyoula
199 lines
6.7 KiB
C
199 lines
6.7 KiB
C
/***********************************************************************************************************************
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* Copyright [2020-2021] Renesas Electronics Corporation and/or its affiliates. All Rights Reserved.
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*
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* This software and documentation are supplied by Renesas Electronics Corporation and/or its affiliates and may only
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* be used with products of Renesas Electronics Corp. and its affiliates ("Renesas"). No other uses are authorized.
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* Renesas products are sold pursuant to Renesas terms and conditions of sale. Purchasers are solely responsible for
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* the selection and use of Renesas products and Renesas assumes no liability. No license, express or implied, to any
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* intellectual property right is granted by Renesas. This software is protected under all applicable laws, including
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* copyright laws. Renesas reserves the right to change or discontinue this software and/or this documentation.
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* THE SOFTWARE AND DOCUMENTATION IS DELIVERED TO YOU "AS IS," AND RENESAS MAKES NO REPRESENTATIONS OR WARRANTIES, AND
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* TO THE FULLEST EXTENT PERMISSIBLE UNDER APPLICABLE LAW, DISCLAIMS ALL WARRANTIES, WHETHER EXPLICITLY OR IMPLICITLY,
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* INCLUDING WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NONINFRINGEMENT, WITH RESPECT TO THE
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* SOFTWARE OR DOCUMENTATION. RENESAS SHALL HAVE NO LIABILITY ARISING OUT OF ANY SECURITY VULNERABILITY OR BREACH.
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT WILL RENESAS BE LIABLE TO YOU IN CONNECTION WITH THE SOFTWARE OR
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* DOCUMENTATION (OR ANY PERSON OR ENTITY CLAIMING RIGHTS DERIVED FROM YOU) FOR ANY LOSS, DAMAGES, OR CLAIMS WHATSOEVER,
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* INCLUDING, WITHOUT LIMITATION, ANY DIRECT, CONSEQUENTIAL, SPECIAL, INDIRECT, PUNITIVE, OR INCIDENTAL DAMAGES; ANY
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* LOST PROFITS, OTHER ECONOMIC DAMAGE, PROPERTY DAMAGE, OR PERSONAL INJURY; AND EVEN IF RENESAS HAS BEEN ADVISED OF THE
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* POSSIBILITY OF SUCH LOSS, DAMAGES, CLAIMS OR COSTS.
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**********************************************************************************************************************/
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/**
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* @file sample_rpmsg.c
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* @brief rpmsg sample program for FreeRTOS
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* @date 2020.03.24
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* @author Copyright (c) 2020, eForce Co., Ltd. All rights reserved.
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*
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****************************************************************************
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* @par History
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* - rev 1.0 (2020.01.28) Imada
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* Initial version.
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* - rev 1.1 (2020.03.24) Imada
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* Employed a dedicated function to set a string for Shared memory API.
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****************************************************************************
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*/
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#include <openamp/open_amp.h>
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#include "platform_info.h"
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#include "rsc_table.h"
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#include <xizi.h>
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extern int init_system(void);
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extern void cleanup_system(void);
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#define SHUTDOWN_MSG (0xEF56A55A)
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/* Local variables */
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/*-----------------------------------------------------------------------------*
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* RPMSG callbacks setup by remoteproc_resource_init()
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*-----------------------------------------------------------------------------*/
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/* Local variables */
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static struct rpmsg_endpoint rp_ept[CFG_RPMSG_SVCNO] = {0};
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volatile static int evt_svc_unbind[CFG_RPMSG_SVCNO] = {0};
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/**
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* Callback Function: rpmsg_endpoint_cb
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*
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* @param[in] rp_svc
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* @param[in] data
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* @param[in] len
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* @param[in] priv
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* @param[in] src
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*/
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static int rpmsg_endpoint_cb0 (struct rpmsg_endpoint * cb_rp_ept, void * data, size_t len, uint32_t src, void * priv)
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{
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/* service 0 */
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(void) priv;
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(void) src;
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/* On reception of a shutdown we signal the application to terminate */
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if ((*(unsigned int *) data) == SHUTDOWN_MSG)
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{
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evt_svc_unbind[0] = 1;
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return RPMSG_SUCCESS;
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}
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KPrintf("rpmsg_endpoint_cb0: recv data = %p, *data = %d,len = %d\n",data,*((int*)(data)),len);
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/* Send data back to master */
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if (rpmsg_send(cb_rp_ept, data, (int) len) < 0)
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{
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LPERROR("rpmsg_send failed\n");
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return -1;
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}
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return RPMSG_SUCCESS;
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}
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static int rpmsg_endpoint_cb1 (struct rpmsg_endpoint * cb_rp_ept, void * data, size_t len, uint32_t src, void * priv)
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{
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/* service 1 */
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(void) priv;
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(void) src;
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/* On reception of a shutdown we signal the application to terminate */
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if ((*(unsigned int *) data) == SHUTDOWN_MSG)
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{
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evt_svc_unbind[1] = 1;
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return RPMSG_SUCCESS;
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}
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/* Send data back to master */
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if (rpmsg_send(cb_rp_ept, data, (int) len) < 0)
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{
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LPERROR("rpmsg_send failed \n");
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return -1;
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}
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return RPMSG_SUCCESS;
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}
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/**
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* Callback Function: rpmsg_service_unbind
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*
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* @param[in] ept
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*/
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static void rpmsg_service_unbind0 (struct rpmsg_endpoint * ept)
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{
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(void) ept;
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/* service 0 */
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rpmsg_destroy_ept(&rp_ept[0]);
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memset(&rp_ept[0], 0x0, sizeof(struct rpmsg_endpoint));
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evt_svc_unbind[0] = 1;
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}
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static void rpmsg_service_unbind1 (struct rpmsg_endpoint * ept)
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{
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(void) ept;
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/* service 1 */
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rpmsg_destroy_ept(&rp_ept[1]);
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memset(&rp_ept[1], 0x0, sizeof(struct rpmsg_endpoint));
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evt_svc_unbind[1] = 1;
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}
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/*-----------------------------------------------------------------------------*
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* Application
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*-----------------------------------------------------------------------------*/
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int app (struct rpmsg_device * rdev, void * platform, unsigned long svcno)
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{
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(void) platform;
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int ret;
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if (svcno == 0UL)
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{
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ret = rpmsg_create_ept(&rp_ept[0],
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rdev,
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CFG_RPMSG_SVC_NAME0,
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APP_EPT_ADDR,
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RPMSG_ADDR_ANY,
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rpmsg_endpoint_cb0,
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rpmsg_service_unbind0);
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if (ret)
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{
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LPERROR("Failed to create endpoint.\n");
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return -1;
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}
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KPrintf("app: Success to create endpoint rp_ept[0]\n");
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}
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else
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{
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ret = rpmsg_create_ept(&rp_ept[1],
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rdev,
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CFG_RPMSG_SVC_NAME1,
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APP_EPT_ADDR,
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RPMSG_ADDR_ANY,
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rpmsg_endpoint_cb1,
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rpmsg_service_unbind1);
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if (ret)
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{
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LPERROR("Failed to create endpoint.\n");
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return -1;
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}
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}
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LPRINTF("Waiting for events...\n");
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while (1)
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{
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DelayKTask(100);
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/* we got a shutdown request, exit */
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if (evt_svc_unbind[svcno])
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{
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break;
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}
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}
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/* Clear shutdown flag */
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evt_svc_unbind[svcno] = 0;
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return 0;
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}
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