BMS STM32 V4.0.0.0
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/**
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******************************************************************************
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* @file tim.c
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* @author Jerry
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* @version V2.1
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* @date 19-April-2022
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* @brief tim program body.
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******************************************************************************
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* @attention
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*
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f10x.h"
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#include "global.h"
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#define CAN_MON_CNT 1000 //1000*10ms = 10s
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CanTxMsg TxMessage[20];
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CanRxMsg RxMessage;
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uint8_t TxMailBox[20];
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uint8_t CAN_SendCount;
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uint16_t CAN_MoniCount;
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CAN_MEMORY canMem[AddrMax+2];
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//HSE --> PLL倍频到72M --> APB1 2分频到36M
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void uf_CAN1_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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CAN_InitTypeDef CAN_InitStructure;
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CAN_FilterInitTypeDef CAN_FilterInitStructure;
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NVIC_InitTypeDef NVIC_InitStructure;
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOA, ENABLE);
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1, ENABLE);
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//Config CAN pin : RX
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
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//GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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//Config CAN pin : TX
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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//NVIC
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NVIC_InitStructure.NVIC_IRQChannel = USB_LP_CAN1_RX0_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; //CAN通信 优先级：1,0
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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//彻底复位CAN外设：先禁用，再重新使能，确保完全复位
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1, DISABLE);
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delay_ms(1);
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1, ENABLE);
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//控制器配置
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CAN_DeInit(CAN1);
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CAN_StructInit(&CAN_InitStructure);
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CAN_InitStructure.CAN_TTCM = DISABLE; //时间触发通信模式
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CAN_InitStructure.CAN_ABOM = DISABLE; //自动离线管理
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CAN_InitStructure.CAN_AWUM = DISABLE; //自动唤醒
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CAN_InitStructure.CAN_NART = ENABLE; //自动重传 改启用
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CAN_InitStructure.CAN_RFLM = DISABLE; //FIFO锁定
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CAN_InitStructure.CAN_TXFP = DISABLE; //发送FIFO优先级
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CAN_InitStructure.CAN_Mode = CAN_Mode_Normal; //普通模式
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//波特率配置
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CAN_InitStructure.CAN_SJW = CAN_SJW_1tq;
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CAN_InitStructure.CAN_BS1 = CAN_BS1_6tq;
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CAN_InitStructure.CAN_BS2 = CAN_BS2_2tq;
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if(protocol == 7) //MUST协议的波特率是100k
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{
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CAN_InitStructure.CAN_Prescaler = 40; //36MHz/40/(1+6+2)=100kbs
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}
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else //其他协议是500k
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{
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CAN_InitStructure.CAN_Prescaler = 8; //36MHz/8/(1+6+2)=500kbs
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}
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CAN_Init(CAN1, &CAN_InitStructure);
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//过滤器配置
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CAN_FilterInitStructure.CAN_FilterNumber = 0; //选择过滤器0
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CAN_FilterInitStructure.CAN_FilterMode = CAN_FilterMode_IdMask; //标识符屏蔽模式
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CAN_FilterInitStructure.CAN_FilterScale = CAN_FilterScale_32bit; //过滤器位宽32位
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CAN_FilterInitStructure.CAN_FilterIdHigh = 0;
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CAN_FilterInitStructure.CAN_FilterIdLow = 0;
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CAN_FilterInitStructure.CAN_FilterMaskIdHigh = 0;
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CAN_FilterInitStructure.CAN_FilterMaskIdLow = 0;
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CAN_FilterInitStructure.CAN_FilterFIFOAssignment = CAN_FilterFIFO0;
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CAN_FilterInitStructure.CAN_FilterActivation = ENABLE;
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CAN_FilterInit(&CAN_FilterInitStructure);
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//中断配置
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CAN_ITConfig(CAN1,CAN_IT_FMP0,ENABLE); //FIFO0中有消息允许中断
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//清除所有可能的错误标志
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CAN1->ESR = 0; // 清除错误状态寄存器
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CAN1->MSR &= ~(CAN_MSR_ERRI); // 清除错误中断标志
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//更新倒计时数
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CAN_MoniCount = CAN_MON_CNT;
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}
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void USB_LP_CAN1_RX0_IRQHandler(void)
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{
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//处理接收中断
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if(CAN_GetITStatus(CAN1, CAN_IT_FMP0) != RESET)
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{
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//接收报文
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CAN_Receive(CAN1,CAN_FIFO0,&RxMessage);
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if(RxMessage.StdId == 0x305)
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{
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RxMessage.StdId = 0;
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CAN_MoniCount = CAN_MON_CNT;
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if(sleep_flag == 1)
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{
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//CAN网口收到数据，退出休眠且更新计时起点
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sleep_flag = 0;
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SLEEP_Refresh();
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SLEEP2_Refresh();
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}
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}
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}
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}
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void CAN_TIM_Moni(void)
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{
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CAN_MoniCount--;
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if(CAN_MoniCount == 0)
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{
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uf_CAN1_Init();
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}
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}
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/*
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1."Sol-Ark", 2."GoodWe", 30."Megarevo", 12."Pylon",
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11."Deye", 7."MUST", 37."solis", 3."Growatt",
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4."Aiswei", 35."Afore", 27."Victron", 6."Sorotec",
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5."SMA", 39."Sunways", 23."Luxpower", 24."Schneider",
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40."AlpSolarr", 13."SRNE", 14."Voltronic", 32."COSUPER",
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17."SMK", 31."SAKO", 18."SNADI", 21."invt",
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*/
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void CAN_UpdateData(void)
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{
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//第1页:
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if(protocol == 1) CAN_Protocol_SolArk();
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// else if(protocol == 2) CAN_Protocol_GoodWe();
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// else if(protocol == 30) CAN_Protocol_Megarevo();
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else if(protocol == 12) CAN_Protocol_Pylon();
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else if(protocol == 11) CAN_Protocol_Deye();
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// else if(protocol == 7) CAN_Protocol_MUST();
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else if(protocol == 37) CAN_Protocol_solis();
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else if(protocol == 3) CAN_Protocol_Growatt();
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// else if(protocol == 4) CAN_Protocol_Aiswei();
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// else if(protocol == 35) CAN_Protocol_Afore();
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// else if(protocol == 27) CAN_Protocol_Victron();
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// else if(protocol == 6) CAN_Protocol_Sorotec();
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//第2页:
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// else if(protocol == 5) CAN_Protocol_SMA();
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// else if(protocol == 39) CAN_Protocol_Sunways();
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// else if(protocol == 23) CAN_Protocol_Luxpower();
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// else if(protocol == 24) CAN_Protocol_Schneider();
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// else if(protocol == 40) CAN_Protocol_AlpSolarr();
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}
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//CAN报文发送函数
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void CAN1_SendData(uint32_t Id, uint8_t *data)
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{
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uint16_t can_timeout;
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can_timeout = CAN_TIMEOUT_COUNT;
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if(Id < 0x1000)
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{
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TxMessage[CAN_SendCount].StdId = Id; //ID
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TxMessage[CAN_SendCount].IDE = CAN_ID_STD; //标准ID
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}
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else
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{
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TxMessage[CAN_SendCount].ExtId = Id; //ID
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TxMessage[CAN_SendCount].IDE = CAN_ID_EXT; //扩展ID
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}
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TxMessage[CAN_SendCount].RTR = CAN_RTR_DATA; //数据帧
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TxMessage[CAN_SendCount].DLC = 8;
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TxMessage[CAN_SendCount].Data[0] = data[0];
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TxMessage[CAN_SendCount].Data[1] = data[1];
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TxMessage[CAN_SendCount].Data[2] = data[2];
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TxMessage[CAN_SendCount].Data[3] = data[3];
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TxMessage[CAN_SendCount].Data[4] = data[4];
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TxMessage[CAN_SendCount].Data[5] = data[5];
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TxMessage[CAN_SendCount].Data[6] = data[6];
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TxMessage[CAN_SendCount].Data[7] = data[7];
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TxMailBox[CAN_SendCount] = CAN_Transmit(CAN1, &TxMessage[CAN_SendCount]); //发送，返回当前邮箱号
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while(CAN_TransmitStatus(CAN1,TxMailBox[CAN_SendCount]) != CANTXOK) //等待发送完成
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{
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if((can_timeout--) == 0) return;
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}
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CAN_SendCount++;
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}
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