780 lines
21 KiB
C
780 lines
21 KiB
C
/*****************************************************************************/
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/**
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* @file systembus.c
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* @author FanHao ([email protected])
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* @brief System bus protocol implementation file.
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* @version 0.1
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* @date 2023-05-06
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*
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* @copyright Copyright(c) 2024 Beijing Institute of Technology.\n
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* Lab of Communication and Network
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*
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******************************************************************************/
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/**
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* @addtogroup SystemBus
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* @{
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*/
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/***************************** Include Files *********************************/
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "systembus_uart.h"
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#include "systembus.h"
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#include "util.h"
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#include "common.h"
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#include "error.h"
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#include "circ_queue.h"
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#include "../system_monitor.h"
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/**
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* @addtogroup SystemBus_Protocol_Routine
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* @{
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*/
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/************************** Constant Definitions *****************************/
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/**
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* @name SystemBus_MSG_Constants
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* @{
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*/
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// Common Field
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// -- Command word
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#define WD_CMD 0x00
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// -- Production type
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#define WD_PRD 0x01
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#define PRD_DL_K 0xDD
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#define PRD_DL_S 0xEE
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#define PRD_ALL 0xFF
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// Self-Test
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#define CMD_SELF_TEST 0xE1
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// -- Request
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// -- -- --
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// -- Response
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// -- -- Self-Test Result
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#define ST_RSP_LEN 16
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#define WD_ST_RET 0x02
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#define ST_RET_OK 0xAA
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#define ST_RET_ERROR 0x55
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#define ST_RET_INFO_LEN 13
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// -- -- Signal processor PS voltage
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#define WD_SP_FPGA_VOLT 0x03
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// -- -- Signal processor PS AUX voltage
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#define WD_SP_CLK_STATE 0x04
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// -- -- Signal processor DDR voltage
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#define WD_SP_AD_LOCK_STATE 0x05
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// -- -- Signal processor PL voltage
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#define WD_SP_AD_TEMP_0 0x06
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// -- -- Signal processor PL AUX voltage
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#define WD_SP_AD_TEMP_1 0x07
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// -- -- Signal processor Bram voltage
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#define WD_SP_FPGA_TEMP 0x08
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// -- -- Signal processor antenna voltage status
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#define WD_ANT_VOLT 0x09
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// -- -- Signal processor antenna RF temperature
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#define WD_ANT_RF_TEMP 0x0A
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// -- -- Signal processor antenna PLL lock status
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#define WD_ANT_RF_PLL 0x0B
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// -- -- Signal processor antenna MGC
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#define WD_ANT_MGC_0 0x0C
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#define WD_ANT_MGC_1 0x0D
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// -- -- Reserved
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#define WD_ANT_RESERVE 0x0E
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// Data Send Test Command
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#define CMD_DATA_TEST_A 0xE2
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// -- Request
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#define DATA_TEST_REQ_A_LEN 68
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// -- -- 68 byte payload
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// -- Response
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#define DATA_TEST_RSP_A_LEN 68
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// -- -- 68 byte payload
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// Data Send Test Command
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#define CMD_DATA_TEST_B 0xF2
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// -- Request
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#define DATA_TEST_REQ_B_LEN 170
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// -- -- 170 byte payload
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// -- Response
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#define DATA_TEST_RSP_B_LEN 170
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// -- -- 170 byte payload
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// Config load
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#define CMD_CONFIG 0xE3
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// -- Request
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#define WD_EN_CMD 0x02
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#define EN_CMD_ON_HIGH_POWER 0x66
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#define EN_CMD_ON_LOW_POWER 0x77
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#define EN_CMD_SILENT 0x88
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#define WD_MODE_CMD 0x03
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#define MODE_CMD_HEAD 0x11
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#define MODE_CMD_MEMBER 0x00
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// -- Response
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// -- -- none response
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// System info update
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#define CMD_SYS_INFO 0x33
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#define SYS_INFO_OFFSET 2
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// -- Request
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// -- -- 54 byte system info
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// -- Response
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// -- -- none response
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// Data Send Test Command
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#define CMD_FLJ_SEND 0xE4
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#define FLJ_DATA_OFFSET 2
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// -- Request
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// -- -- 78 byte payload
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// -- Response
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// -- -- none response
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// Data Send Test Command
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#define CMD_LJ_SEND 0xF4
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#define LJ_DATA_OFFSET 2
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// -- Request
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// -- -- 156 byte payload
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// -- Response
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// -- -- none response
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// FLJ Poll
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#define CMD_FLJ_POLL 0xE5
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// -- Request
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#define WD_FLJ_POLL 0x02
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#define FLJ_POLL_CODE 0x77
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// -- Response
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#define FLJ_POLL_RESP_LEN 170
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// -- -- received 170 byte payload
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// LJ Poll
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#define CMD_LJ_POLL 0xF5
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// -- Request
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#define WD_LJ_POLL 0x02
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#define LJ_POLL_CODE 0x77
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// -- Response
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#define LJ_POLL_RESP_LEN 68
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// -- -- received 68 byte payload
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// Remote Test FLJ
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#define CMD_FLJ_RM_TEST 0xE6
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// -- Request
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#define WD_FLJ_RM_TEST 0x02
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#define FLJ_RM_TEST_CODE 0x99
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// -- Response
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#define WD_FLJ_TIME_STAMP 0x02
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#define WD_FLJ_TIME_STAMP_LEN 8
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#define WD_FLJ_SYSBUS_LOG 0x0A
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#define WD_FLJ_SYSBUS_LOG_LEN 14
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#define WD_FLJ_LINK_LOG 0x18
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#define WD_FLJ_LINK_LOG_LEN 64
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#define WD_FLJ_PHY_LOG 0x58
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#define WD_FLJ_PHY_LOG_LEN 57
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#define WD_FLJ_HARDWARE_ST 0x91
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#define WD_FLJ_HARDWARE_ST_LEN 13
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#define FLJ_RM_TEST_RESP_LEN 158
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// Remote Test LJ
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#define CMD_LJ_RM_TEST 0xF6
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// -- Request
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#define WD_LJ_RM_TEST 0x02
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#define LJ_RM_TEST_CODE 0x99
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// -- Response
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#define WD_LJ_TIME_STAMP 0x02
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#define WD_LJ_TIME_STAMP_LEN 8
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#define WD_LJ_SYSBUS_LOG 0x0A
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#define WD_LJ_SYSBUS_LOG_LEN 14
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#define WD_LJ_LINK_LOG 0x18
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#define WD_LJ_LINK_LOG_LEN 64
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#define WD_LJ_PHY_LOG 0x58
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#define WD_LJ_PHY_LOG_LEN 57
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#define WD_LJ_HARDWARE_ST 0x91
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#define WD_LJ_HARDWARE_ST_LEN 13
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#define LJ_RM_TEST_RESP_LEN 158
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// My Production Type
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#define MY_PRD_ID PRD_DL_K
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/** @} SystemBus_MSG_Constants*/
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/************************** Function Prototypes ******************************/
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static int32_t SystemBus_GenSelfTestRsp(SYSBUS *instPtr);
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static int32_t SystemBus_SystemConfig(SYSBUS *instPtr, uint8_t *msg);
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static int32_t SystemBus_Echo(SYSBUS *instPtr, SYSBUS_UART_FRAME *frame);
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static int32_t SystemBus_GenPollRsp(SYSBUS *instPtr, uint8_t *msg);
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static int32_t SystemBus_GenRemoteTestRsp(SYSBUS *instPtr, uint8_t *msg);
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/**************************** Type Definitions *******************************/
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/************************** Variable Definitions *****************************/
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// TODO: better approach?
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#include "../networking/link_layer/link_layer.h"
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#include "../networking/phy_layer/phy_layer.h"
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extern L2_INST *linkInstPtr;
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extern L2_CONFIG linkConfig;
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inline bool SystemBus_IsReqPending(SYSBUS *instPtr)
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{
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ASSERT(instPtr != NULL);
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return (!isCircQueueEmpty(instPtr->rxQueue));
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}
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inline bool SystemBus_IsRsqPending(SYSBUS *instPtr)
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{
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ASSERT(instPtr != NULL);
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return (!isCircQueueEmpty(instPtr->txQueue));
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}
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inline bool SystemBus_IsTxBusy(SYSBUS *instPtr)
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{
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ASSERT(instPtr != NULL);
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return (!instPtr->isTxDone);
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}
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inline bool SystemBus_IsRxBusy(SYSBUS *instPtr)
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{
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ASSERT(instPtr != NULL);
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return SysbusUart_IsRxBusy(instPtr->uartInst);
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}
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/**
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* @brief Generate System Bus SelfTest response.
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*/
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static int32_t SystemBus_GenSelfTestRsp(SYSBUS *instPtr)
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{
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ASSERT(instPtr != NULL);
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SYSBUS_UART_FRAME *sysbusRsp = malloc(sizeof(SYSBUS_UART_FRAME));
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if (sysbusRsp == NULL)
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{
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DBG_ERROR("Failed to allocate memory for SELF TEST Response!\n");
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return ENOMEM;
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}
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HWSTATE *hwStatsPtr = &(instPtr->hwState);
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sysbusRsp->len = ST_RSP_LEN;
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memset(sysbusRsp->data, 0x00, ST_RSP_LEN);
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sysbusRsp->data[WD_CMD] = CMD_SELF_TEST;
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sysbusRsp->data[WD_PRD] = MY_PRD_ID;
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SysMonitor_GetHardwareStatus(hwStatsPtr);
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if (L2_isStarted(linkInstPtr))
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{
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sysbusRsp->data[WD_ST_RET] = (hwStatsPtr->isSpOk && hwStatsPtr->isAntOk) ? ST_RET_OK : ST_RET_ERROR;
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}
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else
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{
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sysbusRsp->data[WD_ST_RET] = (hwStatsPtr->isSpOk) ? ST_RET_OK : ST_RET_ERROR;
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}
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// apply status and omit 2 bytes of overhead.
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memcpy(sysbusRsp->data + WD_SP_FPGA_VOLT, &(hwStatsPtr->spFpgaVolt), ST_RET_INFO_LEN);
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if (CircQueuePush(instPtr->txQueue, (void *)sysbusRsp) == false)
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{
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free(sysbusRsp);
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DBG_ERROR("SystemBus::TX Queue overflowed!\n");
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return EQUEUE;
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}
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return SUCCESS;
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}
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/**
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* @brief Apply system configuration
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*/
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static int32_t SystemBus_SystemConfig(SYSBUS *instPtr, uint8_t *msg)
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{
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ASSERT(instPtr != NULL);
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ASSERT(msg != NULL);
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PHY_INST *phyRef = linkInstPtr->config.phyInstPtr;
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TMC_INST *tmcRef = linkInstPtr->config.tmcInstPtr;
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bool reconfig = false;
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if (msg[WD_MODE_CMD] == MODE_CMD_HEAD)
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{
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// head node config
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reconfig = (L2_NODE_HEAD != L2_GetNodeType(linkInstPtr));
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linkConfig.myType = L2_NODE_HEAD;
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linkConfig.myId = 1;
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}
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else if (msg[WD_MODE_CMD] == MODE_CMD_MEMBER)
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{
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// member node config
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reconfig = (L2_NODE_MEMBER != L2_GetNodeType(linkInstPtr));
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linkConfig.myType = L2_NODE_MEMBER;
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linkConfig.myId = 2;
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}
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else
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{
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// Ignore current command
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DBG_ERROR("Unexpected config command 0x%02X:0x%02X",
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WD_MODE_CMD, msg[WD_MODE_CMD]);
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return EPARAM;
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}
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if (msg[WD_EN_CMD] == EN_CMD_ON_HIGH_POWER)
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{
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// full power config
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Phy_AntConfigMode(phyRef, PHY_ANT_MODE_POWER_FULL);
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if (reconfig || !L2_isStarted(linkInstPtr))
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{
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Linklayer_Reconfig(linkInstPtr, &linkConfig);
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}
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Linklayer_Start(linkInstPtr);
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}
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else if (msg[WD_EN_CMD] == EN_CMD_ON_LOW_POWER)
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{
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// low power config
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Phy_AntConfigMode(phyRef, PHY_ANT_MODE_POWER_LOW);
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if (reconfig || !L2_isStarted(linkInstPtr))
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{
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Linklayer_Reconfig(linkInstPtr, &linkConfig);
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}
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Linklayer_Start(linkInstPtr);
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}
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else if (msg[WD_EN_CMD] == EN_CMD_SILENT)
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{
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// silence config
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// TODO: better approach?
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Linklayer_Halt(linkInstPtr);
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Phy_AntConfigMode(phyRef, PHY_ANT_MODE_STANDBY);
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TIME_WORD pullTime = {0, 0};
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pullTime.int_part = TimeCtrl_GetIntCnt(tmcRef) + 1;
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if (Phy_SetTimeWord(phyRef, &pullTime, PHY_TIME_WORD_POLL) != SUCCESS)
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{
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DBG_ERROR("Physical set pull time failed.\n");
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}
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Phy_SetupNextSlot(phyRef, PHY_TOR_RX, L1_10KBPS_10MS_FRAME, NULL);
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}
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else
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{
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// Ignore current command
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DBG_ERROR("Unexpected config command 0x%02X:0x%02X",
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WD_EN_CMD, msg[WD_EN_CMD]);
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return EIGNORE;
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}
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instPtr->sysbusLog.lastConfig[0] = msg[WD_MODE_CMD];
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instPtr->sysbusLog.lastConfig[1] = msg[WD_EN_CMD];
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return SUCCESS;
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}
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/**
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* @brief Echo System Bus frame
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*/
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static int32_t SystemBus_Echo(SYSBUS *instPtr, SYSBUS_UART_FRAME *frame)
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{
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ASSERT(instPtr != NULL);
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ASSERT(frame != NULL);
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SYSBUS_UART_FRAME *sysbusRsp = malloc(sizeof(SYSBUS_UART_FRAME));
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if (sysbusRsp == NULL)
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{
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DBG_ERROR("Failed to allocate memory for DATA TEST A Response!\n");
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return ENOMEM;
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}
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sysbusRsp->len = frame->len;
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memcpy(sysbusRsp->data, frame->data, sysbusRsp->len);
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if (CircQueuePush(instPtr->txQueue, (void *)sysbusRsp) == false)
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{
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free(sysbusRsp);
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DBG_ERROR("SystemBus::TX Queue overflowed!\n");
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return EQUEUE;
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}
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return SUCCESS;
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}
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/**
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* @brief Generate System Bus poll call command response
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*/
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static int32_t SystemBus_GenPollRsp(SYSBUS *instPtr, uint8_t *msg)
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{
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ASSERT(instPtr != NULL);
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ASSERT(msg != NULL);
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size_t dataLen;
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uint8_t *payload;
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SYSBUS_UART_FRAME *sysbusRsp = malloc(sizeof(SYSBUS_UART_FRAME));
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if (sysbusRsp == NULL)
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{
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DBG_ERROR("Failed to allocate memory for FLJ POLL Response!\n");
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return ENOMEM;
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}
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if (msg[WD_CMD] == CMD_FLJ_POLL)
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{
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sysbusRsp->len = FLJ_POLL_RESP_LEN;
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sysbusRsp->data[WD_CMD] = CMD_FLJ_POLL;
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sysbusRsp->data[WD_PRD] = MY_PRD_ID;
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dataLen = PAYLOAD_LEN_FLJ_RX;
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payload = sysbusRsp->data + FLJ_DATA_OFFSET;
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}
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else if (msg[WD_CMD] == CMD_LJ_POLL)
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{
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sysbusRsp->len = LJ_POLL_RESP_LEN;
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sysbusRsp->data[WD_CMD] = CMD_LJ_POLL;
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sysbusRsp->data[WD_PRD] = MY_PRD_ID;
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dataLen = PAYLOAD_LEN_LJ_RX;
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payload = sysbusRsp->data + LJ_DATA_OFFSET;
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}
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else
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{
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DBG_ERROR("Unexpected command 0x%02X.\n", msg[WD_CMD]);
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free(sysbusRsp);
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return EUNEXP;
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}
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uint32_t dataId;
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SysMonitor_GetRecvPayload(payload, &dataId, dataLen); // omit control info
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if (dataId == DATA_ID_NONE)
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{
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free(sysbusRsp);
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DBG_WARNING("SystemBus::no RX data!\n");
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return SUCCESS;
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}
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if (CircQueuePush(instPtr->txQueue, (void *)sysbusRsp) == false)
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{
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free(sysbusRsp);
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DBG_WARNING("SystemBus::TX Queue overflowed!\n");
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return EQUEUE;
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}
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instPtr->sysbusLog.pollCnt++;
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return SUCCESS;
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}
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/**
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* @brief Generate System Bus remote test command response
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*/
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static int32_t SystemBus_GenRemoteTestRsp(SYSBUS *instPtr, uint8_t *msg)
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{
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ASSERT(instPtr != NULL);
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ASSERT(msg != NULL);
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SYSBUS_UART_FRAME *sysbusRsp = malloc(sizeof(SYSBUS_UART_FRAME));
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if (sysbusRsp == NULL)
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{
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DBG_ERROR("Failed to allocate memory for LJ REMOTE TEST Response!\n");
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return ENOMEM;
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}
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TIME_WORD tmWord;
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uint64_t time;
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TimeCtrl_GetCurrentTime(linkInstPtr->config.tmcInstPtr, &tmWord);
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time = (uint64_t)tmWord.int_part * TIME_FRAC_MAX + tmWord.frac_part;
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if (msg[WD_CMD] == CMD_FLJ_RM_TEST)
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{
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sysbusRsp->len = FLJ_RM_TEST_RESP_LEN;
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memset(sysbusRsp->data, 0x00, FLJ_RM_TEST_RESP_LEN);
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sysbusRsp->data[WD_CMD] = CMD_FLJ_RM_TEST;
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sysbusRsp->data[WD_PRD] = MY_PRD_ID;
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memcpy(sysbusRsp->data + WD_FLJ_TIME_STAMP, &time, WD_FLJ_TIME_STAMP_LEN);
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SysMonitor_GetLinklayerLog(&(instPtr->linkLog));
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SysMonitor_GetPhysicalLayerLog(&(instPtr->phyLog));
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SysMonitor_GetHardwareStatus(&(instPtr->hwState));
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memcpy(sysbusRsp->data + WD_FLJ_SYSBUS_LOG, &(instPtr->sysbusLog), WD_FLJ_SYSBUS_LOG_LEN);
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memcpy(sysbusRsp->data + WD_FLJ_LINK_LOG, &(instPtr->linkLog), WD_FLJ_LINK_LOG_LEN);
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memcpy(sysbusRsp->data + WD_FLJ_PHY_LOG, &(instPtr->phyLog), WD_FLJ_PHY_LOG_LEN);
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memcpy(sysbusRsp->data + WD_FLJ_HARDWARE_ST, &(instPtr->hwState.spFpgaVolt), WD_FLJ_HARDWARE_ST_LEN);
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}
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else if (msg[WD_CMD] == CMD_LJ_RM_TEST)
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{
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sysbusRsp->len = LJ_RM_TEST_RESP_LEN;
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sysbusRsp->data[WD_CMD] = CMD_LJ_RM_TEST;
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sysbusRsp->data[WD_PRD] = MY_PRD_ID;
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memcpy(sysbusRsp->data + WD_LJ_TIME_STAMP, &time, WD_LJ_TIME_STAMP_LEN);
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SysMonitor_GetLinklayerLog(&(instPtr->linkLog));
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SysMonitor_GetPhysicalLayerLog(&(instPtr->phyLog));
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SysMonitor_GetHardwareStatus(&(instPtr->hwState));
|
|
memcpy(sysbusRsp->data + WD_LJ_SYSBUS_LOG, &(instPtr->sysbusLog), WD_LJ_SYSBUS_LOG_LEN);
|
|
memcpy(sysbusRsp->data + WD_LJ_LINK_LOG, &(instPtr->linkLog), WD_LJ_LINK_LOG_LEN);
|
|
memcpy(sysbusRsp->data + WD_LJ_PHY_LOG, &(instPtr->phyLog), WD_LJ_PHY_LOG_LEN);
|
|
memcpy(sysbusRsp->data + WD_LJ_HARDWARE_ST, &(instPtr->hwState.spFpgaVolt), WD_LJ_HARDWARE_ST_LEN);
|
|
}
|
|
else
|
|
{
|
|
DBG_ERROR("Unexpected command 0x%02X.\n", msg[WD_CMD]);
|
|
free(sysbusRsp);
|
|
return EUNEXP;
|
|
}
|
|
|
|
if (CircQueuePush(instPtr->txQueue, (void *)sysbusRsp) == false)
|
|
{
|
|
free(sysbusRsp);
|
|
DBG_WARNING("SystemBus::TX Queue overflowed!\n");
|
|
return EQUEUE;
|
|
}
|
|
instPtr->sysbusLog.remoteCnt++;
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**
|
|
* @brief A handler function. This handler evaluate the message from system
|
|
* bus receive queue, and make appropriate response.
|
|
*
|
|
* @param instPtr A pointer to System Bus instance.
|
|
*
|
|
* @return None
|
|
*
|
|
******************************************************************************/
|
|
int32_t SystemBus_HandleCmd(SYSBUS *instPtr)
|
|
{
|
|
ASSERT(instPtr != NULL);
|
|
int32_t Status;
|
|
SYSBUS_UART_FRAME *sysbusReq;
|
|
uint8_t *msg;
|
|
if (CircQueuePop(instPtr->rxQueue, (void **)(&sysbusReq)) == false)
|
|
{
|
|
DBG_WARNING("SystemBus::Nothing to be handled.\n");
|
|
return EIGNORE;
|
|
}
|
|
msg = sysbusReq->data;
|
|
if (msg[WD_PRD] != MY_PRD_ID && msg[WD_PRD] != PRD_ALL)
|
|
{
|
|
DBG_WARNING("SystemBus::Production code mismatch!\n");
|
|
return EIGNORE;
|
|
}
|
|
|
|
switch (msg[WD_CMD])
|
|
{
|
|
case CMD_SELF_TEST:
|
|
{
|
|
Status = SystemBus_GenSelfTestRsp(instPtr);
|
|
break;
|
|
}
|
|
case CMD_DATA_TEST_A:
|
|
case CMD_DATA_TEST_B:
|
|
{
|
|
Status = SystemBus_Echo(instPtr, sysbusReq);
|
|
break;
|
|
}
|
|
case CMD_CONFIG:
|
|
{
|
|
Status = SystemBus_SystemConfig(instPtr, msg);
|
|
break;
|
|
}
|
|
case CMD_SYS_INFO:
|
|
{
|
|
SysMonitor_UpdateSysinfo((SYSINFO *)(msg + SYS_INFO_OFFSET));
|
|
Status = SUCCESS;
|
|
break;
|
|
}
|
|
case CMD_FLJ_SEND:
|
|
{
|
|
SysMonitor_UpdateSendPayload(msg + FLJ_DATA_OFFSET, PAYLOAD_LEN_FLJ_TX); // omit control info
|
|
instPtr->sysbusLog.svcCnt++;
|
|
Status = SUCCESS;
|
|
break;
|
|
}
|
|
case CMD_LJ_SEND:
|
|
{
|
|
SysMonitor_UpdateSendPayload(msg + LJ_DATA_OFFSET, PAYLOAD_LEN_LJ_TX); // omit control info
|
|
instPtr->sysbusLog.svcCnt++;
|
|
Status = SUCCESS;
|
|
break;
|
|
}
|
|
case CMD_FLJ_POLL:
|
|
{
|
|
if (msg[WD_FLJ_POLL] != FLJ_POLL_CODE)
|
|
{
|
|
DBG_ERROR("SystemBus::Invalid roll call code!\n");
|
|
Status = EIGNORE;
|
|
break;
|
|
}
|
|
Status = SystemBus_GenPollRsp(instPtr, msg);
|
|
break;
|
|
}
|
|
case CMD_LJ_POLL:
|
|
{
|
|
if (msg[WD_LJ_POLL] != LJ_POLL_CODE)
|
|
{
|
|
DBG_WARNING("SystemBus::Invalid roll call code!\n");
|
|
Status = EIGNORE;
|
|
break;
|
|
}
|
|
Status = SystemBus_GenPollRsp(instPtr, msg);
|
|
break;
|
|
}
|
|
case CMD_FLJ_RM_TEST:
|
|
{
|
|
if (msg[WD_FLJ_RM_TEST] != FLJ_RM_TEST_CODE)
|
|
{
|
|
DBG_WARNING("SystemBus::Invalid remote test code!\n");
|
|
Status = EIGNORE;
|
|
break;
|
|
}
|
|
Status = SystemBus_GenRemoteTestRsp(instPtr, msg);
|
|
break;
|
|
}
|
|
case CMD_LJ_RM_TEST:
|
|
{
|
|
if (msg[WD_LJ_RM_TEST] != LJ_RM_TEST_CODE)
|
|
{
|
|
DBG_WARNING("SystemBus::Invalid remote test code!\n");
|
|
Status = EIGNORE;
|
|
break;
|
|
}
|
|
Status = SystemBus_GenRemoteTestRsp(instPtr, msg);
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
DBG_ERROR("SystemBus::Unknown command code!\n");
|
|
Status = FAILURE;
|
|
break;
|
|
}
|
|
}
|
|
free(sysbusReq);
|
|
return Status;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**
|
|
* @brief This function send a repose frame from system bus tx queue.
|
|
*
|
|
* @param instPtr A pointer to System Bus instance.
|
|
*
|
|
* @return None
|
|
*
|
|
******************************************************************************/
|
|
int32_t SystemBus_MakeResp(SYSBUS *instPtr)
|
|
{
|
|
ASSERT(instPtr != NULL);
|
|
int32_t Status;
|
|
SYSBUS_UART_FRAME *sysbusRsp;
|
|
if (CircQueuePop(instPtr->txQueue, (void **)(&sysbusRsp)) == false)
|
|
{
|
|
DBG_WARNING("SystemBus::Nothing to be sent.\n");
|
|
return EIGNORE;
|
|
}
|
|
instPtr->isTxDone = false; // A transmission procedure is started.
|
|
Status = SysbusUart_Send(instPtr->uartInst, sysbusRsp);
|
|
free(sysbusRsp);
|
|
return Status;
|
|
}
|
|
|
|
/** @} */
|
|
|
|
/*****************************************************************************/
|
|
/**
|
|
* @brief Initialize System Bus instance.
|
|
*
|
|
* @param InstPtr A double pointer to System Bus instance.
|
|
* @param config A pointer to System Bus configurations.
|
|
*
|
|
* @return Error code.
|
|
*
|
|
******************************************************************************/
|
|
int32_t SystemBus_Init(SYSBUS **instPtr, SYSBUS_CONFIG *config)
|
|
{
|
|
ASSERT(instPtr != NULL);
|
|
ASSERT(config != NULL);
|
|
SYSBUS_UART_CONFIG uartConfig;
|
|
int32_t Status;
|
|
(*instPtr) = malloc(sizeof(SYSBUS));
|
|
if ((*instPtr) == NULL)
|
|
{
|
|
return ENOMEM;
|
|
}
|
|
(*instPtr)->rxQueue = NULL;
|
|
(*instPtr)->txQueue = NULL;
|
|
(*instPtr)->uartInst = NULL;
|
|
memcpy(&((*instPtr)->config), config, sizeof(SYSBUS_CONFIG));
|
|
memset(&((*instPtr)->sysbusLog), 0x00, sizeof(SYSBUSLOG));
|
|
memset(&((*instPtr)->linkLog), 0x00, sizeof(LINKLOG));
|
|
memset(&((*instPtr)->phyLog), 0x00, sizeof(PHYLOG));
|
|
memset(&((*instPtr)->hwState), 0x00, sizeof(HWSTATE));
|
|
uartConfig.baseAddr = config->baseAddr;
|
|
Status = SysbusUart_Init(&((*instPtr)->uartInst), &uartConfig);
|
|
if (Status != SUCCESS)
|
|
{
|
|
SystemBus_Destroy(*instPtr);
|
|
return ENOMEM;
|
|
}
|
|
if (CircQueueCreate(&((*instPtr)->txQueue), (*instPtr)->config.txQueueMax) == false)
|
|
{
|
|
SystemBus_Destroy(*instPtr);
|
|
return ENOMEM;
|
|
}
|
|
if (CircQueueCreate(&((*instPtr)->rxQueue), (*instPtr)->config.rxQueueMax) == false)
|
|
{
|
|
SystemBus_Destroy(*instPtr);
|
|
return ENOMEM;
|
|
}
|
|
(*instPtr)->isRxDone = false; // nothing received.
|
|
(*instPtr)->isTxDone = true; // nothing to be sent.
|
|
return SUCCESS;
|
|
}
|
|
|
|
|
|
/*****************************************************************************/
|
|
/**
|
|
* @brief Destroy System Bus instance.
|
|
*
|
|
* @param InstPtr A pointer to System Bus instance.
|
|
*
|
|
* @return None.
|
|
*
|
|
******************************************************************************/
|
|
void SystemBus_Destroy(SYSBUS *instPtr)
|
|
{
|
|
if (instPtr == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
free(instPtr->uartInst);
|
|
free(instPtr->txQueue);
|
|
free(instPtr->rxQueue);
|
|
free(instPtr);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**
|
|
* @brief This function handles the systembus tx irq events.
|
|
*
|
|
* @param instPtr A pointer to System Bus instance.
|
|
*
|
|
* @return None
|
|
*
|
|
******************************************************************************/
|
|
int32_t SystemBus_TxIntrHandler(SYSBUS *instPtr)
|
|
{
|
|
ASSERT(instPtr != NULL);
|
|
// nothing special...
|
|
instPtr->isTxDone = true; // A transmission procedure finished.
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**
|
|
* @brief This function handles the systembus rx irq events.
|
|
*
|
|
* @param instPtr A pointer to System Bus instance.
|
|
*
|
|
* @return None
|
|
*
|
|
******************************************************************************/
|
|
int32_t SystemBus_RxIntrHandler(SYSBUS *instPtr)
|
|
{
|
|
ASSERT(instPtr != NULL);
|
|
instPtr->isRxDone = true; // whether reception successes or not, receiving procedure ended.
|
|
int32_t Status;
|
|
SYSBUS_UART_FRAME *sysbusReq = malloc(sizeof(SYSBUS_UART_FRAME));
|
|
if (sysbusReq == NULL)
|
|
{
|
|
return ENOMEM;
|
|
}
|
|
Status = SysbusUart_Recv(instPtr->uartInst, sysbusReq);
|
|
if (Status != SUCCESS)
|
|
{
|
|
free(sysbusReq);
|
|
return Status;
|
|
}
|
|
if (CircQueuePush(instPtr->rxQueue, (void *)sysbusReq) == false)
|
|
{
|
|
DBG_ERROR("SystemBus::RX Queue overflowed!\n");
|
|
free(sysbusReq);
|
|
return EQUEUE;
|
|
}
|
|
instPtr->isRxDone = false; // another reception is undergoing.
|
|
return SUCCESS;
|
|
}
|
|
|
|
/** @} SystemBus*/ |