/******************************************************************************
 * file    Core/Src/dau.c 
 * author  YuLiang
 * version 1.0.0
 * date    15-Aug-2024
 * brief   This file provides all the DAU related operation functions.
 ******************************************************************************
 * Attention
 *
 * <h2><center>&copy; COPYRIGHT(c) 2024 LandPower</center></h2>
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *   1. Redistributions of source code must retain the above copyright notice,
 *      this list of conditions and the following disclaimer.
 *   2. Redistributions in binary form must reproduce the above copyright notice,
 *      this list of conditions and the following disclaimer in the documentation
 *      and/or other materials provided with the distribution.
 *   3. Neither the name of WTOE nor the names of its contributors may be used to 
 *      endorse or promote products derived from this software without specific
 *      prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 ******************************************************************************/

/* Includes ------------------------------------------------------------------*/
#include "stdio.h"
#include "stdlib.h"
#include "string.h"
#include "time.h"
#include "math.h"

#include "spi.h"
#include "usart.h"

#include "common.h"
#include "dev_config.h"
#include "flash_if.h"
#include "flash_log.h"
#include "ADC_collect.h"
#include "dau.h"
#include "wireless.h"

/* Private define ------------------------------------------------------------*/
#define DAU_WAVE_WAIT_MAX 3                     // DAU 波形等待次数

/* 全局状态寄存器地址 -------------------------------- */
#define DAU_REG_ADDR_GSCR       0x0000          // 全局状态寄存器 - 软件特征寄存器
#define DAU_REG_ADDR_GSVR       0x0001          // 全局状态寄存器 - 软件版本寄存器
#define DAU_REG_ADDR_GSR        0x0002          // 全局状态寄存器 - 状态寄存器
#define DAU_REG_ADDR_GFTR       0x0003          // 全局状态寄存器 - 故障触发录波状态寄存器
#define DAU_REG_ADDR_GFTUR      0x0004          // 全局状态寄存器 - 故障触发 UTC 时间点寄存器
#define DAU_REG_ADDR_GFTNR      0x0006          // 全局状态寄存器 - 故障触发 ns 时间点寄存器
#define DAU_REG_ADDR_GRTR       0x0008          // 全局状态寄存器 - 寄存器触发录波状态寄存器
#define DAU_REG_ADDR_GUR        0x000a          // 全局状态寄存器 - UTC 寄存器
#define DAU_REG_ADDR_GNR        0x000c          // 全局状态寄存器 - ns 寄存器

/* 全局状态寄存器 - 状态寄存器 bit mask */
#define DAU_GSR_FLASH_Pos           (2)     // spi flash 空闲状态
#define DAU_GSR_FLASH_Msk           (0x1 << DAU_GSR_FLASH_Pos)          /*!< 0x0004 */

/* 全局状态寄存器 - 故障触发录波状态寄存器 bit mask */
#define DAU_GFTR_POWER_WAVE_Pos     (3)     // 故障触发工频电流波形状态
#define DAU_GFTR_POWER_WAVE_Msk     (0x1 << DAU_GFTR_POWER_WAVE_Pos)    /*!< 0x0008 */
#define DAU_GFTR_DEFECT_WAVE_Pos    (2)     // 故障触发缺陷电流波形状态
#define DAU_GFTR_DEFECT_WAVE_Msk    (0x1 << DAU_GFTR_DEFECT_WAVE_Pos)   /*!< 0x0004 */
#define DAU_GFTR_FAULT_WAVE_Pos     (1)     // 故障电流波形状态
#define DAU_GFTR_FAULT_WAVE_Msk     (0x1 << DAU_GFTR_FAULT_WAVE_Pos)    /*!< 0x0002 */
#define DAU_GFTR_FAULT_Pos          (0)     // 故障触发录波完成状态
#define DAU_GFTR_FAULT_Msk          (0x1 << DAU_GFTR_FAULT_Pos)         /*!< 0x0001 */

/* 全局状态寄存器 - 寄存器触发录波状态寄存器 bit mask */
#define DAU_GRTR_POWER_WAVE_Pos     (3)     // 寄存器触发工频电流波形状态
#define DAU_GRTR_POWER_WAVE_Msk     (0x1 << DAU_GRTR_POWER_WAVE_Pos)    /*!< 0x0008 */
#define DAU_GRTR_DEFECT_WAVE_Pos    (2)     // 寄存器触发缺陷电流波形状态
#define DAU_GRTR_DEFECT_WAVE_Msk    (0x1 << DAU_GRTR_DEFECT_WAVE_Pos)   /*!< 0x0004 */
#define DAU_GRTR_COMPLETE_Pos       (0)     // 寄存器触发录波完成状态
#define DAU_GRTR_COMPLETE_Msk       (0x1 << DAU_GRTR_COMPLETE_Pos)      /*!< 0x0001 */

/* 全局控制寄存器地址 -------------------------------- */
#define DAU_REG_ADDR_GFWSR      0x0200          // 全局控制寄存器 - Flash 写选择寄存器
#define DAU_REG_ADDR_GSUPR      0x0202          // 全局控制寄存器 - 固件升级页寄存器
#define DAU_REG_ADDR_GCFTR      0x0203          // 全局控制寄存器 - 故障触发录波控制寄存器
#define DAU_REG_ADDR_GCRTR      0x0204          // 全局控制寄存器 - 寄存器触发录波控制寄存器
#define DAU_REG_ADDR_GCUR       0x0205          // 全局控制寄存器 - UTC 配置寄存器
#define DAU_REG_ADDR_GSUDR      0x0e00          // 全局控制寄存器 - 固件升级数据寄存器


/* 全局控制寄存器 - 故障触发录波控制寄存器 bit mask */
#define DAU_GCFTR_PORT_Pos          (4)     // 故障触发波形端口
#define DAU_GCFTR_PORT_Msk          (0x7 << DAU_GCFTR_PORT_Pos)         /*!< 0x0070 */
#define DAU_GCFTR_POWER_WAVE_Pos    (3)     // 故障触发波形端口
#define DAU_GCFTR_POWER_WAVE_Msk    (0x1 << DAU_GCFTR_POWER_WAVE_Pos)   /*!< 0x0008 */
#define DAU_GCFTR_DEFECT_WAVE_Pos   (2)     // 故障触发缺陷电流波形读取
#define DAU_GCFTR_DEFECT_WAVE_Msk   (0x1 << DAU_GCFTR_DEFECT_WAVE_Pos)  /*!< 0x0004 */
#define DAU_GCFTR_FAULT_WAVE_Pos    (1)     // 故障电流波形读取
#define DAU_GCFTR_FAULT_WAVE_Msk    (0x1 << DAU_GCFTR_FAULT_WAVE_Pos)  /*!< 0x0002 */

/* 全局控制寄存器 - 寄存器触发录波控制寄存器 bit mask */
#define DAU_GCRTR_PORT_Pos          (4)     // 寄存器触发波形端口
#define DAU_GCRTR_PORT_Msk          (0x7 << DAU_GCRTR_PORT_Pos)         /*!< 0x0070 */
#define DAU_GCRTR_POWER_WAVE_Pos    (3)     // 寄存器触发工频电流波形读取
#define DAU_GCRTR_POWER_WAVE_Msk    (0x1 << DAU_GCRTR_POWER_WAVE_Pos)   /*!< 0x0008 */
#define DAU_GCRTR_DEFECT_WAVE_Pos   (2)     // 寄存器触发缺陷电流波形读取
#define DAU_GCRTR_DEFECT_WAVE_Msk   (0x1 << DAU_GCRTR_DEFECT_WAVE_Pos)  /*!< 0x0004 */
#define DAU_GCRTR_START_WAVE_Pos    (0)     // 录波控制
#define DAU_GCRTR_START_WAVE_Msk    (0x1 << DAU_GCRTR_START_WAVE_Pos)   /*!< 0x0001 */

/* 通道状态寄存器地址 -------------------------------- */
#define DAU_REG_ADDR_PMSR       0x0300          // 通道状态寄存器 - 缺陷电流通道周波原始采样值的平均值寄存器
#define DAU_REG_ADDR_PPWR       0x03b0          // 通道状态寄存器 - 通道录波数据寄存器

#define DAU_ID 0x0702                         // DAU 软件识别码

/* Private typedef -----------------------------------------------------------*/
/* 波形触发源 */
typedef enum
{
    DAU_SOURCE_FAULT = 0,
    DAU_SOURCE_REG,
    DAU_SOURCE_CNT,
} DAU_SOURCE_E;

/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* DAU 任务参数 */
const osThreadAttr_t dau_attributes =
{
    .name = "DAU",
    .stack_size = 160 * 4,
    .priority = (osPriority_t) osPriorityRealtime,
};

const osThreadAttr_t dau_gps_attributes =
{
    .name = "GPS",
    .stack_size = 160 * 4,
    .priority = (osPriority_t) osPriorityNormal,
};

/* DAU 全局结构体 */
dau_ctrl_t dau_ctrl;
static struct tm _dau_tm;
int8_t _dau_spi_rw;
uint16_t _dau_spi_addr;
uint16_t _dau_spi_len;

/* Private function prototypes -----------------------------------------------*/
/* Internal functions --------------------------------------------------------*/
/* description: DAU 写寄存器报文发送
   param: addr  -- 寄存器地址
          len   -- 写长度
   return: HAL_xxx */
int32_t _dau_reg_write(uint16_t addr, uint16_t len)
{
    uint8_t *pkt_tx = dau_ctrl.buf_dau_tx;
    uint8_t *pkt_rx = dau_ctrl.buf_dau_rx;
    uint32_t notify_value = 0xff;
    int32_t rv = 0;
    
    /* 发送数据. */
    /* 组装报文, 报文头是大端模式 */
    pkt_tx[0] = (addr >> 8) & 0x7f;    // 最高位为 0 表示读
    pkt_tx[1] = addr & 0x00ff;
    len +=2;

    /* 调试打印报文 */
    DBG(DBG_M_DAU_TXRX, "DAU write send(%d):\r\n", len);
    if (dbg_stat_get(DBG_M_DAU_TXRX))
    {
        buf_print(pkt_tx, len > 32 ? 32 : len);
    }

    /* 发送数据. */
    DAU_CS_ENABLE();
    rv = HAL_SPI_TransmitReceive_DMA(dau_ctrl.spi, pkt_tx, pkt_rx, len);
    if (rv !=  HAL_OK)
    {
        DBG(DBG_M_DAU, "DAU spi read err %d\r\n", rv);
        return rv;
    }

    /* 等待收包完成. */
    notify_value = ulTaskNotifyTake(pdTRUE, 1000);
    if (0 == notify_value)
    {
        /* 收包超时 */
        DAU_CS_DISABLE();
        DBG(DBG_M_DAU, "DAU spi read timeout\r\n");
        return HAL_TIMEOUT;
    }

    return HAL_OK;
}

/* description: DAU 读取寄存器报文发送
   param: addr  -- 寄存器地址
          len   -- 读取长度
   return: HAL_xxx */
int32_t _dau_reg_read(uint16_t addr, uint16_t len)
{
    uint8_t *pkt_tx = dau_ctrl.buf_dau_tx;
    uint8_t *pkt_rx = dau_ctrl.buf_dau_rx;
    uint32_t notify_value = 0xff;
    int32_t rv = 0;
    
    /* 发送数据. */
    /* 组装报文, 报文头是大端模式 */
    pkt_tx[0] = (addr >> 8) | 0x80;    // 最高位为 1 表示读
    pkt_tx[1] = addr & 0x00ff;

    /* 调试打印报文 */
    DBG(DBG_M_DAU_TXRX, "DAU read send:\r\n");
    if (dbg_stat_get(DBG_M_DAU_TXRX))
    {
        buf_print(pkt_tx, 2);
    }

    /* 发送数据. */
    DAU_CS_ENABLE();
    rv = HAL_SPI_TransmitReceive_DMA(dau_ctrl.spi, pkt_tx, pkt_rx, len + 2);
    if (rv !=  HAL_OK)
    {
        DAU_CS_DISABLE();
        DBG(DBG_M_DAU, "DAU spi read err %d\r\n", rv);
        return rv;
    }

    /* 等待收包完成. */
    notify_value = ulTaskNotifyTake(pdTRUE, 1000);
    if (0 == notify_value)
    {
        /* 收包超时 */
        DBG(DBG_M_DAU, "DAU spi read timeout\r\n");
        return HAL_TIMEOUT;
    }

    /* 调试打印报文. */
    DBG(DBG_M_DAU_TXRX, "DAU read recv(%d):\r\n", len);
    if (dbg_stat_get(DBG_M_DAU_TXRX))
    {
        buf_print(pkt_rx + 2, len > 32 ? 32 : len);
        vty_print("\r\n");
    }

    return HAL_OK;
}

/* description: DAU 读取全局状态寄存器报文发送
   param:
   return: HAL_xxx */
int32_t _dau_reg_read_global_state(void)
{
    dau_reg_global_t *p = (dau_reg_global_t*)(dau_ctrl.buf_dau_rx + 2);
    int32_t rv = HAL_ERROR;

    /* 读取全局寄存器 */
    rv = _dau_reg_read(DAU_REG_ADDR_GSCR, sizeof(dau_reg_global_t));
    if (rv != HAL_OK)
    {
        return rv;
    }

    if (p->GSCR != DAU_ID)
    {
        DBG(DBG_M_DAU, "DAU read 0x0 data %x err\r\n", p->GSCR);
        return HAL_ERROR;
        
    }

    memcpy(&dau_ctrl.reg_global, p, sizeof(dau_reg_global_t));
    return rv;
}

/* description: DAU 读取端口状态寄存器报文发送
   param:
   return: HAL_xxx */
int32_t _dau_reg_read_port_state(void)
{
    int32_t rv = HAL_ERROR;

    /* 读取全局寄存器 */
    rv = _dau_reg_read(DAU_REG_ADDR_PMSR, sizeof(dau_port_state_reg_t));
    if (rv != HAL_OK)
    {
        return rv;
    }

    memcpy(&dau_ctrl.reg_port_state, dau_ctrl.buf_dau_rx + 2, sizeof(dau_port_state_reg_t));
    return rv;
}

/* description: DAU 历史数据保存
   param:
   return: */
static void _dau_data_save(void)
{
    uint8_t i = 0;

    /* 装填数据. */
    fd_data.temperature = ADC_ctrl.ADCi_temp;
    fd_data.vbat = ADC_ctrl.ADCi_vbat;
    fd_data.vin = ADC_ctrl.ADCi_vin;
    fd_data.vsc = ADC_ctrl.ADCi_vsc;
    for(i = 0; i < DAU_PORT_DEFECT_CNT; i++)
    {
        fd_data.defect[i] = dau_ctrl.reg_port_state.MAX[i];
    }
    for(i = 0; i < DAU_PORT_DEFECT_CNT; i++)
    {
        fd_data.elec[i] = dau_ctrl.reg_elec[i];
    }
    fd_data.col_flag = dau_ctrl.col_flag;

    fd_write(&fd_data);
}

/* description: DAU UTC 对时处理
   param:
   return: */
int32_t _dau_update(void)
{
    uint8_t *data = (uint8_t*)&dau_ctrl.buf_dau_tx[2];
    uint16_t *reg = (uint16_t*)&dau_ctrl.buf_dau_tx[2];
    uint16_t cnt = 0;
    uint16_t page_cnt = 0;
    //uint32_t app_len = wl_ctrl.app_len;
    uint32_t app_len = 2097378;
    uint32_t len = 0;
    uint32_t addr = TFTP_APP_ADDRESS;
    int32_t rv = HAL_ERROR;

    /* 初始化状态. */
    dau_ctrl.update_rt = DAU_UPD_NONE;

    /* 发送升级数据 */
    while(1)
    {
        /* 组装数据报文, 报文头是大端模式 DAU_REG_ADDR_GSUDR */
        len = app_len < 1024 ? app_len : 1024;
        if (0 == len)
        {
            /* 无数据, 直接结束 */
            break;
        }

        /* 读取固件数据 */
        E_RETURN(spi_flash_read(addr, data, 1024));

        /* 先发送数据报文, 0x0e00 */
        E_RETURN(_dau_reg_write(DAU_REG_ADDR_GSUDR, 1024));

        /* 再发送页报文, 0x0202 */
        *reg = page_cnt;
        E_RETURN(_dau_reg_write(DAU_REG_ADDR_GSUPR, 2));

        /* 向 0x0200 写 1, 表示固件升级 */
        *reg = 1;
        E_RETURN(_dau_reg_write(DAU_REG_ADDR_GFWSR, sizeof(uint16_t)));

        /* 等待 spi flash 完成, 0x0002 bit2 为高 */
        cnt = 0;
        while(1)
        {
            osDelay(500);
            cnt++;
            if (cnt > 3)
            {
                DBG(DBG_M_DAU, "DAU update timeout\r\n");
                return HAL_TIMEOUT;
            }

            /* 读取 spi flash 状态 DAU_REG_ADDR_GSR */
            E_RETURN(_dau_reg_read_global_state());

            /* 0 - 空闲, 1 - 忙 */
            if (!((dau_ctrl.reg_global.GSR & DAU_GSR_FLASH_Msk) >> DAU_GSR_FLASH_Pos))
            {
                break;
            }
        }

        /* 结束直接返回 */
        if (len < 1024)
        {
            break;
        }

        /* 更新参数 */
        app_len -= len;
        page_cnt++;
        addr += 1024;
    }
        
    /* 向 DAU_REG_ADDR_GFWSR 写 0, 回复标志 */
    *reg = 0;
    E_RETURN(_dau_reg_write(DAU_REG_ADDR_GFWSR, sizeof(uint16_t)));

    return HAL_OK;
}

/* description: DAU UTC 对时处理
   param:
   return: */
void _dau_utc(void)
{
    uint32_t *utc = (uint32_t*)&dau_ctrl.buf_dau_tx[2];

    /* dau 主循环大概 250ms 运行一次, 在第 3 次循环 (500 ~ 750ms) 对时, 此时 GPS 对时一定是可用的 */
    if (50000000 < dau_ctrl.reg_global.GNR && dau_ctrl.reg_global.GNR <= 75000000
        && dau_ctrl.is_utc_valid
        && dau_ctrl.reg_global.GUR != dau_ctrl.utc)
    {
        *utc = dau_ctrl.utc;
        _dau_reg_write(DAU_REG_ADDR_GCUR, sizeof(uint32_t));
        vty_print("Change\r\n");
        vty_print("%d %d %d %d\r\n", dau_ctrl.reg_global.GUR, dau_ctrl.reg_global.GNR, dau_ctrl.is_utc_valid, dau_ctrl.utc);
    }
}

/* description: 寄存器触发波形采集开始
   param:
   return: HAL_xxx */
int32_t _dau_wave_col_start(void)
{
    uint16_t *reg = (uint16_t*)&dau_ctrl.buf_dau_tx[2];
    uint8_t i = 0;
    int32_t rv = HAL_ERROR;

    /* 请求录波 */
    *reg = DAU_GCRTR_START_WAVE_Msk;
    E_RETURN(_dau_reg_write(DAU_REG_ADDR_GCRTR, sizeof(uint16_t)));

    /* 等待录波完成 */
    while(1)
    {
        if (i >= DAU_WAVE_WAIT_MAX)
        {
            DBG(DBG_M_DAU, "DAU wave err\r\n", rv);
            return HAL_TIMEOUT;
        }
        osDelay(3000);
        
        E_RETURN(_dau_reg_read_global_state());
        if ((dau_ctrl.reg_global.GRTR & DAU_GRTR_COMPLETE_Msk) >> DAU_GRTR_COMPLETE_Pos)
        {
            break;
        }

        i++;
        vty_print("#D5 %d\r\n", i);
    }
    
    return rv;
}

/* description: 故障波形采集
   param:
   return: HAL_xxx */
int32_t _dau_wave_col_fault(void)
{
#if 0
    uint16_t *reg = (uint16_t*)&dau_ctrl.buf_dau_tx[2];
    uint8_t i = 0;
    uint8_t j = 0;
    uint32_t addr = 0;

    /* 读取触发电流值 */
    E_RETURN(_dau_reg_read_port_state());

    /* 数据地址应该是被擦除过的地址 (当前地址向前偏移 128k). */
    addr = dau_ctrl.addr_fault;
    /* 读取故障数据 */
    for(i = 0; i < DAU_PORT_FAULT_CNT; i++)
    {
        dau_ctrl.fault_trig[i] = dau_ctrl.reg_port_state.FAULT[i];
    
        /* 请求读取故障波形 */
        *reg = DAU_GCFTR_FAULT_WAVE_Msk | (i << DAU_GCFTR_PORT_Pos);
        E_RETURN(_dau_reg_write(DAU_REG_ADDR_GCFTR, sizeof(uint16_t)));

        /* 等待 DAU 准备故障数据 */
        j = 0;
        while(1)
        {
            if (j >= DAU_WAVE_WAIT_MAX)
            {
                DBG(DBG_M_DAU, "DAU fault wave err\r\n");
                return HAL_TIMEOUT;
            }
            osDelay(10);
            
            E_RETURN(_dau_reg_read_global_state());
            if ((dau_ctrl.reg_global.GFTR & DAU_GFTR_FAULT_WAVE_Msk) >> DAU_GFTR_FAULT_WAVE_Pos)
            {
                break;
            }

            j++;
        }
    
        for(j = 0; j < DAU_PKT_FAULT_CNT; j++)
        {
            E_RETURN(_dau_reg_read(DAU_REG_ADDR_PFWR + i, DAU_PKT_FAULT_BYTE_CNT));
            E_RETURN(spi_flash_write(addr, &dau_ctrl.buf_dau_rx[2], DAU_PKT_FAULT_BYTE_CNT));
            addr += DAU_PKT_FAULT_BYTE_CNT;
        }
    }
    
    return HAL_OK;
#endif
    uint8_t i = 0;
    uint8_t j = 0;
    uint32_t addr = 0;
    int32_t rv = HAL_ERROR;

    /* 读取故障数据 */
    addr = dau_ctrl.addr_fault;
    for(i = 0; i < DAU_PORT_FAULT_CNT; i++)
    {
        dau_ctrl.fault_trig[i] = 100 + i;
        memset(&dau_ctrl.buf_dau_rx[2], i, DAU_PKT_FAULT_BYTE_CNT);
        
        for(j = 0; j < DAU_PKT_FAULT_CNT; j++)
        {
            E_RETURN(spi_flash_write(addr, &dau_ctrl.buf_dau_rx[2], DAU_PKT_FAULT_BYTE_CNT));
            addr += DAU_PKT_FAULT_BYTE_CNT;
        }
    }

    vty_print("#D2 %x\r\n", addr);
    return rv;
}

/* description: 缺陷波形采集
   param:
   return: HAL_xxx */
int32_t _dau_wave_col_defect(void)
{
    uint16_t *reg = (uint16_t*)&dau_ctrl.buf_dau_tx[2];
    uint8_t i = 0;
    uint8_t j = 0;
    uint8_t is_exceed = FALSE;
    uint32_t addr = 0;
    int32_t rv = HAL_ERROR;

    /* 比较缺陷波形是否超过阈值 */
    E_RETURN(_dau_reg_read_port_state());
    for(i = 0; i < DAU_PORT_DEFECT_CNT; i++)
    {
        dau_ctrl.reg_defect_max[i] = dau_ctrl.reg_port_state.MAX[i];
        if (dau_ctrl.reg_port_state.MAX[i] > dev_config.wave_threshold)
        {
            is_exceed = TRUE;
        }
    }
    /* 没有超过阈值并没有强制录波直接返回 */
    //if (!is_exceed && !IS_MONITOR_BIT_SET(dau_ctrl.col_flag, DAU_COL_FLAG_WAVE_FORCE))
    //{
    //    MONITOR_BITMAP_RESET(dau_ctrl.col_flag, DAU_COL_FLAG_REG_DEFECT);
    //    return HAL_OK;
    //}

    /* 擦除 flash */
    addr = dau_ctrl.addr_reg;
    vty_print("#D3 %x\r\n", addr);
    for(i = 0; i < 2; i++)
    {
        E_RETURN(spi_flash_erase(addr, SPI_CMD_BLOCK64_ERASE));
        addr += SPI_FLASH_BLOCK64_SIZE;
    }

    /* 数据地址应该是被擦除过的地址 (当前地址向前偏移 128k). */
    addr = dau_ctrl.addr_reg;
    /* 读取缺陷数据 */
    for(i = 0; i < DAU_PORT_DEFECT_CNT; i++)
    {
        /* 请求读取缺陷波形 */
        *reg = DAU_GCRTR_DEFECT_WAVE_Msk | (i << DAU_GCRTR_PORT_Pos);
        E_RETURN(_dau_reg_write(DAU_REG_ADDR_GCRTR, sizeof(uint16_t)));

        /* 等待 DAU 准备缺陷数据 */
        j = 0;
        while(1)
        {
            if (j >= DAU_WAVE_WAIT_MAX)
            {
                DBG(DBG_M_DAU, "DAU defect wave err\r\n", rv);
                return HAL_TIMEOUT;
            }
            osDelay(5);
            
            E_RETURN(_dau_reg_read_global_state());
            if ((dau_ctrl.reg_global.GRTR & DAU_GRTR_DEFECT_WAVE_Msk) >> DAU_GRTR_DEFECT_WAVE_Pos)
            {
                break;
            }
            
            j++;
            vty_print("#D6 %d\r\n", j);
        }
    
        for(j = 0; j < DAU_PKT_DEFECT_CNT; j++)
        {
            vty_print("%d %d\r\n", i, j);
            E_RETURN(_dau_reg_read(DAU_REG_ADDR_PPWR, DAU_PKT_DEFECT_BYTE_CNT));
            osDelay(200);
            E_RETURN(spi_flash_write(addr, &dau_ctrl.buf_dau_rx[2], DAU_PKT_DEFECT_BYTE_CNT));
            addr += DAU_PKT_DEFECT_BYTE_CNT;
        }
        vty_print("DE%d\r\n", i);
    }

    vty_print("#D4 %x\r\n", addr);
    MONITOR_BITMAP_SET(dau_ctrl.col_flag, DAU_COL_FLAG_REG_DEFECT);
    return rv;

#if 0
    uint8_t i = 0;
    uint8_t j = 0;
    uint8_t is_exceed = FALSE;
    uint32_t addr = 0;
    int32_t rv = HAL_ERROR;

    /* 比较缺陷波形是否超过阈值 */
    //E_RETURN(_dau_reg_read_port_state());
    for(i = 0; i < DAU_PORT_DEFECT_CNT; i++)
    {
        dau_ctrl.reg_defect_max[i] = 100 +i;
        if (dau_ctrl.reg_defect_max[i] > dev_config.wave_threshold)
        {
            is_exceed = TRUE;
        }
    }
    /* 没有超过阈值并没有强制录波直接返回 */
    if (!is_exceed && !IS_MONITOR_BIT_SET(dau_ctrl.col_flag, DAU_COL_FLAG_WAVE_FORCE))
    {
        MONITOR_BITMAP_RESET(dau_ctrl.col_flag, DAU_COL_FLAG_REG_DEFECT);
        return HAL_OK;
    }

    /* 擦除 flash */
    addr = dau_ctrl.addr_reg;
    vty_print("#D3 %x\r\n", addr);
    for(i = 0; i < 2; i++)
    {
        E_RETURN(spi_flash_erase(addr, SPI_CMD_BLOCK64_ERASE));
        addr += SPI_FLASH_BLOCK64_SIZE;
    }

    /* 数据地址应该是被擦除过的地址 (当前地址向前偏移 128k). */
    addr = dau_ctrl.addr_reg;
    /* 读取缺陷数据 */
    for(i = 0; i < DAU_PORT_DEFECT_CNT; i++)
    {
        memset(&dau_ctrl.buf_dau_rx[2], i, DAU_PKT_FAULT_BYTE_CNT);
        for(j = 0; j < DAU_PKT_DEFECT_CNT; j++)
        {
            E_RETURN(spi_flash_write(addr, &dau_ctrl.buf_dau_rx[2], DAU_PKT_DEFECT_BYTE_CNT));
            addr += DAU_PKT_DEFECT_BYTE_CNT;
        }
    }

    vty_print("#D4 %x\r\n", addr);
    MONITOR_BITMAP_SET(dau_ctrl.col_flag, DAU_COL_FLAG_REG_DEFECT);
    return rv;
#endif
}

/* description: 工频波形采集
   param: flag - 采集来源见 DAU_COL_FLAG_E
   return: HAL_xxx */
int32_t _dau_wave_col_power(DAU_SOURCE_E source)
{
    uint16_t *reg = (uint16_t*)&dau_ctrl.buf_dau_tx[2];
    int16_t *power = NULL;
    uint8_t i = 0;
    uint8_t j = 0;
    int32_t rv = HAL_ERROR;

    /* 读取工频数据 */
    for(i = 0; i < DAU_PORT_POWER_CNT; i++)
    {
        /* 请求读取工频波形 */
        if (DAU_SOURCE_FAULT == source)
        {
            *reg = DAU_GCFTR_POWER_WAVE_Msk | (i << DAU_GCFTR_PORT_Pos);
            E_RETURN(_dau_reg_write(DAU_REG_ADDR_GCFTR, sizeof(uint16_t)));
        }
        else
        {
            *reg = DAU_GCRTR_POWER_WAVE_Msk | (i << DAU_GCRTR_PORT_Pos);
            E_RETURN(_dau_reg_write(DAU_REG_ADDR_GCRTR, sizeof(uint16_t)));
        }

        /* 等待 DAU 准备工频数据 */
        j = 0;
        while(1)
        {
            if (j >= DAU_WAVE_WAIT_MAX)
            {
                DBG(DBG_M_DAU, "DAU power wave err\r\n");
                return HAL_TIMEOUT;
            }
            osDelay(5);
            
            E_RETURN(_dau_reg_read_global_state());
            if (DAU_SOURCE_FAULT == source)
            {
                if ((dau_ctrl.reg_global.GFTR & DAU_GFTR_POWER_WAVE_Msk) >> DAU_GFTR_POWER_WAVE_Pos)
                {
                    break;
                }
            }
            else
            {
                if ((dau_ctrl.reg_global.GRTR & DAU_GRTR_POWER_WAVE_Msk) >> DAU_GRTR_POWER_WAVE_Pos)
                {
                    break;
                }
            }

            j++;
            vty_print("#D7 %d\r\n", j);
        }
    
        /* 选择存储位置, 读取数据 */
        power = (DAU_SOURCE_FAULT == source) ? dau_ctrl.fault_power[i] : dau_ctrl.reg_power[i];
        for(j = 0; j < DAU_PKT_POWER_CNT; j++)
        {
            E_RETURN(_dau_reg_read(DAU_REG_ADDR_PPWR, DAU_PKT_POWER_BYTE_CNT));
            osDelay(200);
            memcpy(power, &dau_ctrl.buf_dau_rx[2], DAU_PKT_POWER_BYTE_CNT);
            power += DAU_PKT_POWER_BYTE_CNT >> 1;
        }
        vty_print("PO%d\r\n", i);
    }
    
    return HAL_OK;

#if 0
    int16_t *power = NULL;
    uint8_t i = 0;
    uint8_t j = 0;

    /* 读取工频数据 */
    for(i = 0; i < DAU_PORT_POWER_CNT; i++)
    {
        /* 选择存储位置, 读取数据 */
        power = (DAU_SOURCE_FAULT == source) ? dau_ctrl.fault_power[i] : dau_ctrl.reg_power[i];
        memset(&dau_ctrl.buf_dau_rx[2], i, DAU_PKT_POWER_BYTE_CNT);
        for(j = 0; j < DAU_PKT_POWER_CNT; j++)
        {
            memcpy(power, &dau_ctrl.buf_dau_rx[2], DAU_PKT_POWER_BYTE_CNT);
            power += DAU_PKT_POWER_BYTE_CNT >> 1;
        }
    }
    
    return HAL_OK;
#endif
}

/* description: DAU 工频电流计算
   param:
   return: */
void _dau_power_calculate(DAU_SOURCE_E source)
{
    int16_t (*val)[DAU_POWER_DATE_LEN] = (DAU_SOURCE_FAULT == source) ? dau_ctrl.fault_power : dau_ctrl.reg_power;
    uint32_t *power = (DAU_SOURCE_FAULT == source) ? dau_ctrl.fault_elec : dau_ctrl.reg_elec;
    uint8_t ch = 0;
    uint8_t adj = 0;
    uint16_t i = 0;
    uint64_t square_sum = 0;
    int32_t mean_sum = 0;
    float temp = 0;

    /* 遍历通道, 计算有效值 */
    for(ch = 0; ch < DAU_PORT_POWER_CNT; ch++)
    {
        square_sum = 0;
        mean_sum = 0;
        /* 遍历通道所有值, 求和, 并计算出最大值和最小值. */
        for(i = 0; i < DAU_POWER_DATE_LEN; i++)
        {
            square_sum += val[ch][i] * val[ch][i];
            mean_sum += val[ch][i];
        }

        /* 根据数据查找数据落在哪个分段点上. */
        temp = (double)sqrt(square_sum / DAU_POWER_DATE_LEN) - abs(mean_sum / DAU_POWER_DATE_LEN);
        for(adj = 0; adj < DAU_POWER_ADJ_CNT - 1; adj++)
        {
            if (temp <= dev_config.ADC_base[ch][adj])
            {
                break;
            }
        }

        /* 根据分段点计算有效值. */
        if (0 == adj)
        {
            power[ch] = (uint32_t)(temp * dev_config.ADC_adj[ch][adj] * dev_config.ADC_ratio[ch] * 1.414/ 32768);
        }
        else
        {
            power[ch] = (uint32_t)((temp - dev_config.ADC_base[ch][adj - 1]) * dev_config.ADC_adj[ch][adj] * dev_config.ADC_ratio[ch] * 1.414 / 32768 + dev_config.ADC_base_elec[ch][adj - 1]);
        }
    }

    if (DAU_SOURCE_REG == source)
    {
        /* 固定前 4 个通道是接地电流, 判断接地电流有没有突变 */
        for(ch = 0; ch < DAU_PORT_GROUND_CNT; ch++)
        {
            /* 判断工频录波上传阈值 */
            if (abs_cal_u(power[ch], fd_data.elec[ch]) >= (uint32_t)dev_config.threshold * 1000)
            {
                MONITOR_BITMAP_SET(dau_ctrl.col_flag, DAU_COL_FLAG_REG_POWER);
                break;
            }
        }
        if (DAU_PORT_GROUND_CNT == ch)
        {
            /* 没有超过阈值, 不传输波形 */
            MONITOR_BITMAP_RESET(dau_ctrl.col_flag, DAU_COL_FLAG_REG_POWER);
        }
        if (IS_MONITOR_BIT_SET(dau_ctrl.col_flag, DAU_COL_FLAG_WAVE_FORCE))
        {
            /* 强制录波, 传输波形 */
            MONITOR_BITMAP_SET(dau_ctrl.col_flag, DAU_COL_FLAG_REG_POWER);
            MONITOR_BITMAP_RESET(dau_ctrl.col_flag, DAU_COL_FLAG_WAVE_FORCE);
        }
    }

    /* 计算工频录波每个点的电流值 */
    //if (DAU_SOURCE_FAULT == source
    //    || IS_MONITOR_BIT_SET(dau_ctrl.col_flag, DAU_COL_FLAG_REG_POWER))
    //{
    //    for(ch = 0; ch < DAU_PORT_POWER_CNT; ch++)
    //    {
    //        for(i = 0; i < DAU_POWER_DATE_LEN; i++)
    //        {
    //            val[ch][i] = (int64_t)val[ch][i] * 7257 * dev_config.ADC_ratio[ch] / 3276800;
    //        }
    //    }
    //}
}

/* description: 故障触发波形采集
   param:
   return: HAL_xxx */
int32_t _dau_wave_col_trigger_by_fault(void)
{
#if 0
    uint8_t i = 0;
    uint32_t addr = 0;

    /* 上次触发没有完成直接退出 */
    if (!IS_MONITOR_BIT_SET(dau_ctrl.col_flag, DAU_COL_FLAG_FAULT_CMP))
    {
        return HAL_OK;
    }

    /* 没有触发直接退出 */
    if (!((dau_ctrl.reg_global.GFTR & DAU_GFTR_FAULT_Msk) >> DAU_GFTR_FAULT_Pos))
    {
        return HAL_OK;
    }
    dau_ctrl.fault_utc = dau_ctrl.reg_global.GFTUR;
    dau_ctrl.fault_ns = dau_ctrl.reg_global.GFTNR;

    /* 擦除 flash */
    addr = dau_ctrl.addr_fault;
    for(i = 0; i < 2; i++)
    {
        E_RETURN(spi_flash_erase(addr, SPI_CMD_BLOCK64_ERASE));
        addr += SPI_FLASH_BLOCK64_SIZE;
    }

    /* 采集波形 */
    E_RETURN(_dau_wave_col_fault());
    E_RETURN(_dau_wave_col_power(DAU_SOURCE_FAULT));
    _dau_power_calculate(DAU_SOURCE_FAULT);

    /* 置标志位 */
    MONITOR_BITMAP_RESET(dau_ctrl.col_flag, DAU_COL_FLAG_FAULT_CMP);
        
    return HAL_OK;
#endif

    static uint8_t temp = FALSE;
    if (temp)
    {
        return HAL_OK;
    }
    osDelay(30000);
    temp = TRUE;

    uint8_t i = 0;
    uint32_t addr = 0;
    int32_t rv = HAL_ERROR;

    /* 没有触发直接退出 */
    dau_ctrl.fault_utc = dau_ctrl.utc;
    dau_ctrl.fault_ns = 123456789;

    /* 擦除 flash */
    addr = dau_ctrl.addr_fault;
    vty_print("#D1 %x\r\n", addr);
    for(i = 0; i < 2; i++)
    {
        E_RETURN(spi_flash_erase(addr, SPI_CMD_BLOCK64_ERASE));
        addr += SPI_FLASH_BLOCK64_SIZE;
    }

    /* 采集波形 */
    E_RETURN(_dau_wave_col_fault());
    E_RETURN(_dau_wave_col_power(DAU_SOURCE_FAULT));
    _dau_power_calculate(DAU_SOURCE_FAULT);

    /* 置标志位 */
    MONITOR_BITMAP_RESET(dau_ctrl.col_flag, DAU_COL_FLAG_FAULT_CMP);
        
    return rv;
}

/* description: 寄存器触发波形采集
   param:
   return: HAL_xxx */
int32_t _dau_wave_col_trigger_by_reg(void)
{
    uint32_t tick = 0;
    int32_t rv = HAL_ERROR;

    /* 上次触发没有完成直接退出 */
    if (!IS_MONITOR_BIT_SET(dau_ctrl.col_flag, DAU_COL_FLAG_REG_CMP))
    {
        return HAL_OK;
    }

    /* 定时开始采集 */
    tick = HAL_GetTick();
    if ((tick - dau_ctrl.col_time) < (dev_config.collect_interval * 60000)
        && !IS_MONITOR_BIT_SET(dau_ctrl.col_flag, DAU_COL_FLAG_WAVE_FORCE))
    {
        return HAL_OK;
    }

    E_RETURN(_dau_wave_col_start());
    //E_RETURN(_dau_wave_col_defect());
    E_RETURN(_dau_wave_col_power(DAU_SOURCE_REG));
    _dau_power_calculate(DAU_SOURCE_REG);

    /* 置标志位, 保存数据 */
    _dau_data_save();
    MONITOR_BITMAP_RESET(dau_ctrl.col_flag, DAU_COL_FLAG_REG_CMP);
    dau_ctrl.col_time = tick;
    
    return rv;
}

/* description: DAU 初始化
   param:
   return: */
static void _dau_init(void)
{
    char version[DEV_COMPILE_TIME_LEN] = {0};

    dau_ctrl.spi = &hspi1;

    if (st_data.addr_fault >= WARE_FAULT_ADDRESS && st_data.addr_fault < WARE_FAULT_ADDRESS_END
        &&  0 == (st_data.addr_fault & 0x1ffff))
    {
        dau_ctrl.addr_fault = st_data.addr_fault;
    }
    else
    {
       dau_ctrl.addr_fault = WARE_FAULT_ADDRESS;
    }
    vty_print("#D7 %x %x\r\n", st_data.addr_fault, dau_ctrl.addr_fault);
    
    if (st_data.addr_reg >= WARE_REG_ADDRESS && st_data.addr_reg < WARE_REG_ADDRESS_END
        &&  0 == (st_data.addr_reg & 0x1ffff))
    {
        dau_ctrl.addr_reg = st_data.addr_reg;
    }
    else
    {
       dau_ctrl.addr_reg = WARE_REG_ADDRESS;
    }
    vty_print("#D8 %x %x\r\n", st_data.addr_reg, dau_ctrl.addr_reg);
    
    /* 开启第一次采集前, 默认上传完成 */
    dau_ctrl.col_time = 600000;
    MONITOR_BITMAP_SET(dau_ctrl.col_flag, DAU_COL_FLAG_FAULT_CMP);
    MONITOR_BITMAP_SET(dau_ctrl.col_flag, DAU_COL_FLAG_REG_CMP);

    HAL_GPIO_WritePin(DAU_RST_GPIO_Port, DAU_RST_Pin, GPIO_PIN_SET);
    HAL_GPIO_WritePin(POWER_DAU_GPIO_Port, POWER_DAU_Pin, GPIO_PIN_SET);
    osDelay(1000);

    /* 读取 FPGA 版本信息 */
    if (HAL_OK == _dau_reg_read_global_state())
    {
        snprintf(version, DEV_COMPILE_TIME_LEN, "%d.%d", dau_ctrl.reg_global.GSVR >> 8, dau_ctrl.reg_global.GSVR & 0xff);
        if (strncmp((char*)dev_info.FPGA_version, version, DEV_COMPILE_TIME_LEN - 1) != 0)
        {
            strncpy((char*)dev_info.FPGA_version, version, DEV_COMPILE_TIME_LEN - 1);
            common_sys_set(COM_SYS_SAVE_INFO, 0);
        }
    }
}

/* description: DAU 主任务循环
   param:
   return: */
static void _dau_start(void *argument)
{
    //uint16_t *buf = (uint16_t*)(&dau_ctrl.buf_dau_rx[2]);
    uint16_t *buf = NULL;
    uint32_t addr = 0;
    uint8_t i = 0;
    uint8_t j = 0;
    uint16_t k = 0;
    int32_t rv = HAL_ERROR;

    /* 状态初始化 */
    _dau_init();

    for (;;)
    {
        osDelay(5000);
        common_watchdog_set(COM_WDG_DAU);

        /* 读取全局状态寄存器 */
        rv = _dau_reg_read_global_state();
        if (rv != HAL_OK)
        {
            continue;
        }

        /* 处理升级 */
        //if (dau_ctrl.update_flag)
        //{
        //    if (HAL_OK == _dau_update())
        //    {
        //        dau_ctrl.update_rt = DAU_UPD_OK;
        //    }
        //    else
        //    {
        //        dau_ctrl.update_rt = DAU_UPD_ERROR;
        //    }
        //}

        /* utc 对时处理 */
        //_dau_utc();

        /* 故障电流采集 */
        //_dau_wave_col_trigger_by_fault();

        /* 循环工频缺陷电流采集 */
        _dau_wave_col_trigger_by_reg();

        if (1 == _dau_spi_rw)
        {
            _dau_spi_rw = 0;
            _dau_reg_read(_dau_spi_addr, _dau_spi_len << 1);
        }
        else if(2 == _dau_spi_rw)
        {
            uint16_t *data = (uint16_t*)&dau_ctrl.buf_dau_tx[2];
            *data = _dau_spi_len;
            _dau_spi_rw = 0;
            _dau_reg_write(_dau_spi_addr, 2);
        }
        common_watchdog_set(COM_WDG_DAU);

#if 0
        addr = dau_ctrl.addr_reg;
        for(i = 0; i < 3; i++)
        {
            vty_print("DEFECT %x %d\r\n", addr, i);
            for(j = 0; j < DAU_PKT_DEFECT_CNT; j++)
            {
                common_watchdog_set(COM_WDG_DAU);
                spi_flash_read(addr, &dau_ctrl.buf_dau_rx[2], 1024);
                addr += DAU_PKT_DEFECT_BYTE_CNT;
                for(k = 0; k < 512;)
                {
                    vty_print("%04x ", buf[k++]);
                    if(0 == k % 32)
                    {
                        osDelay(100);
                        vty_print("\r\n");
                    }
                }
                if(k % 32 != 0)
                {
                    osDelay(100);
                    vty_print("\r\n");
                }
            }
            vty_print("\r\n");
        }
#endif
#if 1
        for(i = 0; i < DAU_PORT_POWER_CNT; i++)
        {
            vty_print("POWER %d\r\n", i);
            buf = (uint16_t*)dau_ctrl.reg_power[i];
            for(j = 0; j < DAU_PKT_POWER_CNT; j++)
            {
                common_watchdog_set(COM_WDG_DAU);
                for(k = 0; k < 512;)
                {
                    vty_print("%-04x ", buf[k++]);
                    if(0 == k % 32)
                    {
                        osDelay(100);
                        vty_print("\r\n");
                    }
                }
                if(k % 32 != 0)
                {
                    osDelay(100);
                    vty_print("\r\n");
                }
                buf += 512;
            }
            vty_print("\r\n");
        }
#endif

        while(1)
        {
            osDelay(5000);
            common_watchdog_set(COM_WDG_DAU);
            //vty_print("sleep\r\n");
        }
    }
}

/* description: GPS 报文处理 ($GNZDA,235949.012,05,01,1980,,*4F)
   param:
   return: */
static int32_t _dau_gps_process(void)
{
    char *pkt = (char*)dau_ctrl.buf_gps;
    uint8_t n = 0;
    uint16_t i = 0;
    uint32_t hour = 0;
    uint32_t min = 0;
    uint32_t sec = 0;
    uint32_t day = 0;
    uint32_t mon = 0;
    uint32_t year = 0;
    uint32_t ms = 0;

    /* 遍历字符串 */
    while(pkt[i])
    {
        if (pkt[i] != '$')
        {
            i++;
            continue;
        }

        /* 查找对时字符串 "$GNZDA" */
        if (strncmp(&pkt[i], "$GNZDA", 6) != 0)
        {
            i++;
            continue;
        }

        /* 查找时分秒日月年 */
        n = sscanf(&pkt[i], "$GNZDA,%02d%02d%02d.%d,%02d,%02d,%04d", &hour, &min, &sec, &ms, &day, &mon, &year);
        if (n != 7)
        {
            return HAL_ERROR;
        }

        DBG(DBG_M_GPS, "%d/%d/%d %d:%d:%d\r\n", year, mon, day, hour, min, sec);
        /* 小于 2024 说明对时不成功. */
        if (year < 2024)
        {
            return HAL_ERROR;
        }
        _dau_tm.tm_year = year - 1900;
        _dau_tm.tm_mon = mon - 1;
        _dau_tm.tm_mday = day;
        _dau_tm.tm_hour = hour;
        _dau_tm.tm_min = min;
        _dau_tm.tm_sec = sec;

        dau_ctrl.utc = mktime(&_dau_tm);
        rtc_time_set(dau_ctrl.utc);
        return HAL_OK;
    }

    return HAL_ERROR;
}

/* description: GPS 初始化
   param:
   return: */
static void _dau_gps_init(void)
{
    dau_ctrl.uart = &huart2;
    
    HAL_GPIO_WritePin(POWER_GPS_GPIO_Port, POWER_GPS_Pin, GPIO_PIN_SET);
    osDelay(1000);
    HAL_GPIO_WritePin(GPS_RST_GPIO_Port, GPS_RST_Pin, GPIO_PIN_RESET);
    osDelay(100);
    HAL_GPIO_WritePin(GPS_RST_GPIO_Port, GPS_RST_Pin, GPIO_PIN_SET);
}

/* description: GPS 主任务循环
   param:
   return: */
static void _dau_gps_start(void *argument)
{
    uint32_t notify_value = 0xff;
    uint32_t err_cnt = 5;

    /* 状态初始化 */
    _dau_gps_init();

    for (;;)
    {
        /* 连续 5 次失败才认为对时失败 */
        dau_ctrl.is_utc_ok = (err_cnt < 5);  
        common_watchdog_set(COM_WDG_GPS);
        
        /* 开启串口空闲中断收包 */
        if (HAL_OK == HAL_UARTEx_ReceiveToIdle_DMA(dau_ctrl.uart, dau_ctrl.buf_gps, DAU_GPS_BUF_LEN))
        {
            dau_ctrl.len_buf_gps = 0;
            dau_ctrl.is_half_buf_gps = FALSE;
        }

        /* 等待收包完成. */
        notify_value = ulTaskNotifyTake(pdTRUE, 10000);
        if (0 == notify_value)
        {
            /* 收包超时 */
            dau_ctrl.is_utc_valid = FALSE;
            err_cnt++;
            continue;
        }

        DBG(DBG_M_GPS, "Len %d\r\n", dau_ctrl.len_buf_gps);
  
        /* 命令过长. */
        if (dau_ctrl.len_buf_gps >= DAU_GPS_BUF_LEN)
        {
            dau_ctrl.is_utc_valid = FALSE;
            err_cnt++;
            continue;
        }

        /* 字符串结束标志 */
        dau_ctrl.buf_gps[dau_ctrl.len_buf_gps] = 0;

        if (HAL_OK == _dau_gps_process())
        {
            dau_ctrl.is_utc_valid = TRUE;
            err_cnt = 0;
        }
        else
        {
            dau_ctrl.is_utc_valid = FALSE;
            err_cnt++;
        }
    }
}

/* Interface functions -------------------------------------------------------*/
/* description: DAU 采集任务初始化
   param:
   return: */
void dau_init(void)
{
    dau_ctrl.dau_handle = osThreadNew(_dau_start, NULL, &dau_attributes);
    dau_ctrl.gps_handle = osThreadNew(_dau_gps_start, NULL, &dau_gps_attributes);
}

/* description: spi 接口测试函数
   param:
   return: */
void dau_spi_rw(int8_t rw, uint16_t addr, uint16_t len)
{
    _dau_spi_rw = rw;
    _dau_spi_addr = addr;
    _dau_spi_len = len;
}

/* description: dau 显示接口
   param:
   return: */
void dau_show(void)
{
    struct tm *day = NULL;
    uint32_t utc = dau_ctrl.utc;

    vty_print("state: %d\r\n", dau_ctrl.is_utc_ok);
    if (dau_ctrl.is_utc_valid)
    {
        utc += 28800;
        day = localtime(&utc);
        vty_print("date: %d/%d/%d %d:%d:%d\r\n", day->tm_year - 100, day->tm_mon + 1, day->tm_mday,
            day->tm_hour, day->tm_min, day->tm_sec);
    }

    vty_print("\n");
}
/******************* (C) COPYRIGHT LandPower ***** END OF FILE ****************/