326 lines
8.1 KiB
C
326 lines
8.1 KiB
C
/**************************************************************************//**
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*
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* @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2022-10-10 Wayne First version
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*
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******************************************************************************/
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#include <rtthread.h>
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#if defined(BSP_USING_WHC)
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#include "drv_whc.h"
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#include <stdio.h>
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#define DBG_ENABLE
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#define DBG_LEVEL DBG_LOG
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#define DBG_SECTION_NAME "whc.demo"
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#define DBG_COLOR
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#include <rtdbg.h>
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#define USE_WORMHOLE_CHNAME "whc0-0"
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typedef enum
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{
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evCMD_MEM_ALLOCATE,
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evCMD_MEM_FREE,
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evCMD_MEM_COPY,
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evCMD_DEVMEM_WRITE,
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evCMD_DEVMEM_READ,
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evCMD_MEM_SET
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} nu_whc_cmd;
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typedef enum
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{
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evCMD_REQ,
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evCMD_RESP,
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} nu_whc_cmd_type;
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#define CMD_TYPE_Pos 16
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#define CMD_TYPE_Msk (3<<CMD_TYPE_Pos)
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#define PACK_MSG_CMD(t, x) (((t<<CMD_TYPE_Pos)&CMD_TYPE_Msk)|x)
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#define CMD_IS_REQ(m) (((m.u32Cmd&CMD_TYPE_Msk)>>CMD_TYPE_Pos)==evCMD_REQ)
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#define CMD_IS_RESP(m) (((m.u32Cmd&CMD_TYPE_Msk)>>CMD_TYPE_Pos)==evCMD_RESP)
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typedef struct
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{
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union
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{
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nu_whc_msg sMsgBuf;
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struct
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{
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uint32_t u32Cmd;
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uint32_t u32Addr0; //Dst, free, allocate, set
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uint32_t u32Addr1; //Src, value
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uint32_t u32Size;
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} msg;
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};
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} whc_mem;
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typedef whc_mem *whc_mem_t;
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static struct rt_semaphore tx_sem;
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static struct rt_semaphore rx_sem;
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static rt_device_t device = RT_NULL;
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static rt_err_t whc_tx_complete(rt_device_t dev, void *buffer)
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{
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return rt_sem_release(&tx_sem);
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}
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static rt_err_t whc_rx_indicate(rt_device_t dev, rt_size_t size)
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{
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return rt_sem_release(&rx_sem);
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}
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static rt_err_t proc_msg(whc_mem_t req, whc_mem_t resp)
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{
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switch ((nu_whc_cmd)req->msg.u32Cmd)
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{
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case evCMD_MEM_ALLOCATE:
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resp->msg.u32Addr0 = (uint32_t)rt_malloc(req->msg.u32Size);
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resp->msg.u32Size = req->msg.u32Size;
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resp->msg.u32Cmd = PACK_MSG_CMD(evCMD_RESP, evCMD_MEM_ALLOCATE);
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break;
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case evCMD_MEM_FREE:
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rt_free((void *)req->msg.u32Addr0);
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resp->msg.u32Addr0 = (uint32_t)req->msg.u32Addr0;
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resp->msg.u32Cmd = PACK_MSG_CMD(evCMD_RESP, evCMD_MEM_FREE);
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resp->msg.u32Size = 0;
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break;
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case evCMD_MEM_COPY:
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rt_memcpy((void *)req->msg.u32Addr0, (void *)req->msg.u32Addr1, req->msg.u32Size);
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resp->msg.u32Cmd = PACK_MSG_CMD(evCMD_RESP, evCMD_MEM_COPY);
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resp->msg.u32Addr0 = (uint32_t)req->msg.u32Addr0;
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resp->msg.u32Addr1 = (uint32_t)req->msg.u32Addr1;
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resp->msg.u32Size = req->msg.u32Size;
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break;
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case evCMD_MEM_SET:
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rt_memset((void *)req->msg.u32Addr0, (req->msg.u32Addr1 & 0xff), req->msg.u32Size);
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resp->msg.u32Cmd = PACK_MSG_CMD(evCMD_RESP, evCMD_MEM_SET);
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resp->msg.u32Addr0 = (uint32_t)req->msg.u32Addr0;
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resp->msg.u32Addr1 = (uint32_t)(req->msg.u32Addr1 & 0xff);
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resp->msg.u32Size = req->msg.u32Size;
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break;
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case evCMD_DEVMEM_WRITE:
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*((vu32 *)req->msg.u32Addr0) = req->msg.u32Addr1;
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resp->msg.u32Cmd = PACK_MSG_CMD(evCMD_RESP, evCMD_DEVMEM_WRITE);
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resp->msg.u32Addr0 = 0;
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resp->msg.u32Addr1 = 0;
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resp->msg.u32Size = sizeof(uint32_t);
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break;
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case evCMD_DEVMEM_READ:
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resp->msg.u32Cmd = PACK_MSG_CMD(evCMD_RESP, evCMD_DEVMEM_READ);
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resp->msg.u32Addr0 = *((vu32 *)req->msg.u32Addr0);
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resp->msg.u32Addr1 = 0;
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resp->msg.u32Size = sizeof(uint32_t);
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break;
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default:
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return -RT_ERROR;
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}
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return -RT_ERROR;
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}
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static rt_err_t send_msg(whc_mem_t req)
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{
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if (device)
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{
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if (sizeof(nu_whc_msg) != rt_device_write(device, 0, req, sizeof(nu_whc_msg)))
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{
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LOG_E("Failed to send msg.");
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return -RT_ERROR;
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}
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if (-RT_ETIMEOUT == rt_sem_take(&tx_sem, 100))
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LOG_E("Timeout cant get ACK.");
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}
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return RT_EOK;
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}
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static void whc_daemon(void *parameter)
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{
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rt_err_t ret;
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device = rt_device_find(USE_WORMHOLE_CHNAME);
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RT_ASSERT(device);
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/* Init semaphores */
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ret = rt_sem_init(&tx_sem, "whc_tx", 0, RT_IPC_FLAG_PRIO);
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RT_ASSERT(ret == RT_EOK);
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ret = rt_sem_init(&rx_sem, "whc_rx", 0, RT_IPC_FLAG_PRIO);
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RT_ASSERT(ret == RT_EOK);
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/* Set tx complete function */
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ret = rt_device_set_tx_complete(device, whc_tx_complete);
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RT_ASSERT(ret == RT_EOK);
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/* Set rx indicate function */
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ret = rt_device_set_rx_indicate(device, whc_rx_indicate);
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RT_ASSERT(ret == RT_EOK);
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ret = rt_device_open(device, 0);
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if (!device)
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{
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LOG_E("Failed to open %s", USE_WORMHOLE_CHNAME);
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return;
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}
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while (1)
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{
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if (rt_sem_take(&rx_sem, RT_WAITING_FOREVER) == RT_EOK)
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{
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nu_whc_msg sNuWhcMsg;
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whc_mem_t psWhcMem = (whc_mem_t)&sNuWhcMsg;
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if (sizeof(nu_whc_msg) != rt_device_read(device, 0, psWhcMem, sizeof(nu_whc_msg)))
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continue;
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if (CMD_IS_REQ(psWhcMem->msg))
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{
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nu_whc_msg sNuWhcMsg_Resp;
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proc_msg((whc_mem_t)&sNuWhcMsg, (whc_mem_t)&sNuWhcMsg_Resp);
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send_msg((whc_mem_t)&sNuWhcMsg_Resp);
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}
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else if (CMD_IS_RESP(psWhcMem->msg))
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{
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LOG_I("Get Resp. 0x%08x 0x%08x 0x%08x %d",
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psWhcMem->msg.u32Cmd,
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psWhcMem->msg.u32Addr0,
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psWhcMem->msg.u32Addr1,
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psWhcMem->msg.u32Size);
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}
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} //if
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} //while
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}
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static int wormhole_app(void)
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{
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rt_err_t result = 0;
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rt_thread_t thread;
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thread = rt_thread_create("whcD", whc_daemon, RT_NULL, 2048, 25, 20);
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if (thread != RT_NULL)
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{
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result = rt_thread_startup(thread);
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RT_ASSERT(result == RT_EOK);
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}
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return 0;
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}
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INIT_COMPONENT_EXPORT(wormhole_app);
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void *whc_malloc(uint32_t u32Size)
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{
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whc_mem sWhcMem;
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sWhcMem.msg.u32Cmd = PACK_MSG_CMD(evCMD_REQ, evCMD_MEM_ALLOCATE);
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sWhcMem.msg.u32Size = (uint32_t)u32Size;
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send_msg(&sWhcMem);
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return 0;
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}
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RTM_EXPORT(whc_malloc);
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void *whc_memcpy(void *pvDst, void *pvSrc, uint32_t u32Size)
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{
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whc_mem sWhcMem;
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sWhcMem.msg.u32Cmd = PACK_MSG_CMD(evCMD_REQ, evCMD_MEM_COPY);
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sWhcMem.msg.u32Addr0 = (uint32_t)pvDst;
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sWhcMem.msg.u32Addr1 = (uint32_t)pvSrc;
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sWhcMem.msg.u32Size = (uint32_t)u32Size;
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send_msg(&sWhcMem);
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return 0;
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}
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RTM_EXPORT(whc_memcpy);
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uint32_t whc_devmem_write(void *pvaddr, uint32_t u32value)
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{
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whc_mem sWhcMem;
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sWhcMem.msg.u32Cmd = PACK_MSG_CMD(evCMD_REQ, evCMD_DEVMEM_WRITE);
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sWhcMem.msg.u32Addr0 = (uint32_t)pvaddr;
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sWhcMem.msg.u32Addr1 = u32value;
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sWhcMem.msg.u32Size = sizeof(uint32_t);
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send_msg(&sWhcMem);
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return 0;
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}
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RTM_EXPORT(whc_devmem_write);
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uint32_t whc_devmem_read(void *pvaddr)
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{
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whc_mem sWhcMem;
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sWhcMem.msg.u32Cmd = PACK_MSG_CMD(evCMD_REQ, evCMD_DEVMEM_READ);
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sWhcMem.msg.u32Addr0 = (uint32_t)pvaddr;
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sWhcMem.msg.u32Addr1 = 0;
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sWhcMem.msg.u32Size = sizeof(uint32_t);
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send_msg(&sWhcMem);
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return 0;
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}
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RTM_EXPORT(whc_devmem_read);
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void whc_devmem(int argc, char *argv[])
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{
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volatile unsigned int u32Addr;
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unsigned int value = 0, mode = 0;
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if (argc < 2 || argc > 3)
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{
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goto exit_devmem;
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}
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if (argc == 3)
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{
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if (sscanf(argv[2], "0x%x", &value) != 1)
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goto exit_devmem;
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mode = 1; //Write
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}
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if (sscanf(argv[1], "0x%x", &u32Addr) != 1)
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goto exit_devmem;
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else if (u32Addr & (4 - 1))
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goto exit_devmem;
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if (mode)
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{
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whc_devmem_write((void *) u32Addr, value);
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}
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rt_kprintf("0x%08x\n", whc_devmem_read((void *)u32Addr));
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return;
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exit_devmem:
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rt_kprintf("Read: whc_devmem <physical address in hex>\n");
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rt_kprintf("Write: whc_devmem <physical address in hex> <value in hex format>\n");
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return;
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}
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MSH_CMD_EXPORT(whc_devmem, dump device registers);
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#endif /* #if defined(BSP_USING_HWSEM)*/
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