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#include "zcanreceiver.hpp"
#ifdef HAL_CAN_MODULE_ENABLED
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "stm32basic/zbasic.h"
#define TAG "ZCanReceiver"
#define OVER_TIME_MS 100
#ifdef ENABLE_OLD_CAN_PROTOCOL
#include "stm32halport/stm32halport.hpp"
extern "C" {
void HAL_CAN_TxMailbox0CompleteCallback(CAN_HandleTypeDef *hcan) { ZLOGI(TAG, "HAL_CAN_TxMailbox0CompleteCallback"); }
void HAL_CAN_TxMailbox1CompleteCallback(CAN_HandleTypeDef *hcan) { ZLOGI(TAG, "HAL_CAN_TxMailbox1CompleteCallback"); }
void HAL_CAN_TxMailbox2CompleteCallback(CAN_HandleTypeDef *hcan) { ZLOGI(TAG, "HAL_CAN_TxMailbox2CompleteCallback"); }
void HAL_CAN_TxMailbox0AbortCallback(CAN_HandleTypeDef *hcan) { ZLOGI(TAG, "HAL_CAN_TxMailbox0AbortCallback"); }
void HAL_CAN_TxMailbox1AbortCallback(CAN_HandleTypeDef *hcan) { ZLOGI(TAG, "HAL_CAN_TxMailbox1AbortCallback"); }
void HAL_CAN_TxMailbox2AbortCallback(CAN_HandleTypeDef *hcan) { ZLOGI(TAG, "HAL_CAN_TxMailbox2AbortCallback"); }
void HAL_CAN_RxFifo0MsgPendingCallback(CAN_HandleTypeDef *hcan) { ZCanReceiver::ins()->STM32_HAL_onCAN_RxFifo0MsgPending(hcan); }
void HAL_CAN_RxFifo0FullCallback(CAN_HandleTypeDef *hcan) { ZLOGI(TAG, "HAL_CAN_RxFifo0FullCallback"); }
void HAL_CAN_RxFifo1MsgPendingCallback(CAN_HandleTypeDef *hcan) { ZLOGI(TAG, "HAL_CAN_RxFifo1MsgPendingCallback"); }
void HAL_CAN_RxFifo1FullCallback(CAN_HandleTypeDef *hcan) { ZLOGI(TAG, "HAL_CAN_RxFifo1FullCallback"); }
void HAL_CAN_SleepCallback(CAN_HandleTypeDef *hcan) { ZLOGI(TAG, "HAL_CAN_SleepCallback"); }
void HAL_CAN_WakeUpFromRxMsgCallback(CAN_HandleTypeDef *hcan) { ZLOGI(TAG, "HAL_CAN_WakeUpFromRxMsgCallback"); }
void HAL_CAN_ErrorCallback(CAN_HandleTypeDef *hcan) { ZCanReceiver::ins()->STM32_HAL_onCAN_Error(hcan); }
}
ZCanReceiver *ZCanReceiver::ins() {
static ZCanReceiver ins;
return &ins;
}
ZCanReceiver::CFG *ZCanReceiver::createCFG(uint8_t deviceId) {
CFG *cfg = new CFG();
ZASSERT(cfg != NULL);
cfg->deviceId = deviceId;
#ifdef STM32F103xB
cfg->canHandle = &hcan;
#else
cfg->canHandle = &hcan1;
#endif
cfg->canFilterIndex0 = 0;
cfg->maxFilterNum = 7;
cfg->rxfifoNum = CAN_RX_FIFO0;
return cfg;
}
void ZCanReceiver::init(CFG *cfg) {
HAL_StatusTypeDef hal_status;
m_config = cfg;
/**
* @brief 初始化CAN
*/
/**
* @brief 初始化消息接收buf
*/
m_canPacketRxBuffer[0].dataIsReady = false;
m_canPacketRxBuffer[0].id = 1; // 只接收来自主机的消息
m_canPacketRxBuffer[0].m_canPacketNum = 0;
/**
* @brief 初始化过滤器
*/
hal_status = initializeFilter();
if (hal_status != HAL_OK) {
ZLOGE(TAG, "start can initializeFilter fail\r\n");
return;
}
/**
* @brief 启动CAN
*/
hal_status = HAL_CAN_Start(m_config->canHandle); // 开启CAN
if (hal_status != HAL_OK) {
ZLOGE(TAG, "start can fail\r\n");
return;
}
HAL_StatusTypeDef status = activateRxIT();
if (status != HAL_OK) {
ZLOGE(TAG, "activateRxIT fail\r\n");
return;
}
}
HAL_StatusTypeDef ZCanReceiver::initializeFilter() {
/**
* @brief ID区帧格式
* [ 27:0 ]
* [ STDID ] [ EXTID ]
* [11 :9] [8:6] [5:0] [17:16] [15:8] [7:0]
* 优先级 属性 帧类型 目标ID 源ID
*/
HAL_StatusTypeDef HAL_Status;
CAN_FilterTypeDef sFilterConfig;
uint32_t filterId;
uint32_t mask;
memset(&sFilterConfig, 0, sizeof(sFilterConfig));
sFilterConfig.FilterMode = CAN_FILTERMODE_IDMASK; // 设为MASK模式
sFilterConfig.FilterScale = CAN_FILTERSCALE_32BIT; // CAN_FILTERSCALE_16BIT
sFilterConfig.FilterFIFOAssignment = m_config->rxfifoNum; // 关联过滤器到rxfifoNum
sFilterConfig.FilterActivation = ENABLE; // 激活过滤器
sFilterConfig.SlaveStartFilterBank = m_config->maxFilterNum; // slave filter start index
/*******************************************************************************
* 接收所有消息 *
*******************************************************************************/
filterId = (0); //
mask = (0); //
sFilterConfig.FilterBank = m_config->canFilterIndex0; //
sFilterConfig.FilterMaskIdLow = mask & 0xffff; //
sFilterConfig.FilterMaskIdHigh = (mask & 0xffff0000) >> 16; //
sFilterConfig.FilterIdLow = filterId & 0xffff; //
sFilterConfig.FilterIdHigh = (filterId & 0xffff0000) >> 16; //
HAL_Status = HAL_CAN_ConfigFilter(m_config->canHandle, &sFilterConfig);
if (HAL_Status != HAL_OK) {
ZLOGE(TAG, "HAL_CAN_ConfigFilter filter0 fail");
return HAL_Status;
}
ZLOGI(TAG, "HAL_CAN_ConfigFilter filterID1 %08x", filterId >> 3);
return HAL_Status;
}
void ZCanReceiver::registerListener(zcanbus_on_rx_t listener) { m_onRxData = listener; }
void ZCanReceiver::sendPacket(uint8_t *packet, size_t len, int overtime) {
/**
* @brief
*/
int npacket = len / 8 + (len % 8 == 0 ? 0 : 1);
if (npacket > 255) {
ZLOGE(TAG, "sendPacket fail, len:%d", len);
return;
}
int finalpacketlen = len % 8 == 0 ? 8 : len % 8;
for (uint8_t i = 0; i < npacket; i++) {
bool suc = false;
if (i == npacket - 1) {
suc = sendPacketSub(npacket, i, packet + i * 8, finalpacketlen, overtime);
} else {
suc = sendPacketSub(npacket, i, packet + i * 8, 8, overtime);
}
if (!suc) {
ZLOGE(TAG, "sendPacket fail, packet(%d:%d)", npacket, i);
return;
}
}
}
void ZCanReceiver::sendAck(transmit_disinfection_protocol_header_t *cmdheader, uint8_t *data, size_t len) {
transmit_disinfection_protocol_header_t *txheader = (transmit_disinfection_protocol_header_t *)txbuff;
memcpy(txheader, cmdheader, sizeof(transmit_disinfection_protocol_header_t));
txheader->packetType = kpt_ack;
memcpy(txheader->data, data, len);
sendPacket(txbuff, sizeof(transmit_disinfection_protocol_header_t) + len, OVER_TIME_MS);
}
void ZCanReceiver::sendErrorAck(transmit_disinfection_protocol_header_t *cmdheader, int16_t errcode) {
transmit_disinfection_protocol_header_t *txheader = (transmit_disinfection_protocol_header_t *)txbuff;
memcpy(txheader, cmdheader, sizeof(transmit_disinfection_protocol_header_t));
txheader->packetType = kpt_error_ack;
memcpy(txheader->data, &errcode, sizeof(errcode));
sendPacket(txbuff, sizeof(transmit_disinfection_protocol_header_t) + 2, OVER_TIME_MS);
}
void ZCanReceiver::sendReport(uint16_t cmdid, uint8_t subcmdid, uint8_t *attachments, size_t len) {
transmit_disinfection_protocol_header_t *txheader = (transmit_disinfection_protocol_header_t *)txbuff;
txheader->packetindex = report_index++;
txheader->cmdid = cmdid;
txheader->subcmdid = subcmdid;
txheader->packetType = kpt_status_report;
memcpy(txheader->data, attachments, len);
sendPacket(txbuff, sizeof(transmit_disinfection_protocol_header_t) + len, OVER_TIME_MS);
}
bool ZCanReceiver::sendPacketSub(int npacket, int packetIndex, uint8_t *packet, size_t len, int overtimems) {
CAN_TxHeaderTypeDef pHeader;
uint8_t aData[8] /*8byte table*/;
uint32_t txMailBox = 0;
uint32_t enterticket = HAL_GetTick();
memset(&pHeader, 0, sizeof(pHeader));
memset(aData, 0, sizeof(aData));
pHeader.StdId = 0x00;
pHeader.ExtId = (m_config->deviceId << 16) | (npacket << 8) | packetIndex;
pHeader.IDE = CAN_ID_EXT;
pHeader.RTR = CAN_RTR_DATA;
pHeader.DLC = len;
pHeader.TransmitGlobalTime = DISABLE;
memcpy(aData, packet, len);
m_lastTransmitStatus = HAL_CAN_AddTxMessage(m_config->canHandle, &pHeader, aData, &txMailBox);
if (m_lastTransmitStatus != HAL_OK) {
ZLOGE(TAG, "HAL_CAN_AddTxMessage fail");
return false;
}
while (HAL_CAN_IsTxMessagePending(m_config->canHandle, txMailBox)) {
if (zhas_passedms(enterticket) > (uint32_t)overtimems) {
m_lastTransmitStatus = HAL_TIMEOUT;
HAL_CAN_AbortTxRequest(m_config->canHandle, txMailBox);
return false;
}
// m_os->sleepMS(1);
}
return true;
}
bool ZCanReceiver::getRxMessage(CAN_RxHeaderTypeDef *pHeader, uint8_t aData[] /*8byte table*/) {
/**
* @brief 读取当前FIFO中缓存了多少帧的数据
*/
uint32_t level = HAL_CAN_GetRxFifoFillLevel(m_config->canHandle, m_config->rxfifoNum);
if (level == 0) {
return false;
}
HAL_StatusTypeDef HAL_RetVal;
HAL_RetVal = HAL_CAN_GetRxMessage(m_config->canHandle, m_config->rxfifoNum, pHeader, aData);
if (HAL_OK == HAL_RetVal) {
// 处理接收到的can总线数据
return true;
}
return false;
}
void ZCanReceiver::registerListener(CanPacketRxBufferCB_t cb) { m_listenerCBList.push_back(cb); }
void ZCanReceiver::STM32_HAL_onCAN_RxFifo0MsgPending(CAN_HandleTypeDef *canHandle) {
/**
* @brief 中断上下文
*/
// ZLOG_INFO("%s\n", __FUNCTION__);
// printf("------------------%s\n", __FUNCTION__);
if (canHandle != m_config->canHandle) {
return;
}
/**
* @brief 处理can接收到消息
*/
CAN_RxHeaderTypeDef pHeader;
uint8_t aData[8] /*8byte table*/;
while (getRxMessage(&pHeader, aData)) {
/**
* @brief 消息格式
*
* [2] [3bit] [8bit] [8bit] [8bit]
* , from frameNum frameId
*/
uint8_t from = (pHeader.ExtId >> 16 & 0xFF);
uint8_t nframe = (pHeader.ExtId & 0xFF00) >> 8;
uint8_t frameId = (pHeader.ExtId & 0x00FF);
CanPacketRxBuffer *rxbuf = &m_canPacketRxBuffer[0];
// CAN_ID_STD
// CAN_ID_EXT
if (pHeader.IDE == CAN_ID_STD) {
// 只接收扩展帧数据帧
continue;
}
if (from != rxbuf->id) {
// 目前只接收来自主机的消息
continue;
}
if (rxbuf->dataIsReady) {
// 上次接收到的消息还没有来的急处理
continue;
}
/**
* @TODO:判断是否丢包
*/
if (frameId == 0) {
rxbuf->m_canPacketNum = 0;
}
if (rxbuf->m_canPacketNum < 255) {
rxbuf->m_canPacket[rxbuf->m_canPacketNum].pHeader = pHeader;
memcpy(rxbuf->m_canPacket[rxbuf->m_canPacketNum].aData, aData, 8);
rxbuf->m_canPacketNum++;
}
if (nframe == frameId + 1) {
rxbuf->dataIsReady = true;
rxbuf->maxFrameId = frameId;
}
}
// deactivateRxIT();
}
void ZCanReceiver::STM32_HAL_onCAN_Error(CAN_HandleTypeDef *canHandle) {
if (canHandle != m_config->canHandle) {
return;
}
ZLOGE(TAG, "onCAN_Error\r\n");
}
void ZCanReceiver::loop() {
CanPacketRxBuffer *rxbuf = &m_canPacketRxBuffer[0];
if (rxbuf->dataIsReady) {
int dataoff = 0;
for (size_t i = 0; i < rxbuf->m_canPacketNum; i++) {
memcpy(rxdata + dataoff, rxbuf->m_canPacket[i].aData, rxbuf->m_canPacket[i].pHeader.DLC);
dataoff += rxbuf->m_canPacket[i].pHeader.DLC;
memset(&rxbuf->m_canPacket[i], 0, sizeof(rxbuf->m_canPacket[i]));
}
if (m_onRxData) {
m_onRxData(rxbuf, rxdata, dataoff);
}
for (auto &var : m_listenerCBList) {
if (var) var(rxbuf, rxdata, dataoff);
}
rxbuf->dataIsReady = false;
}
}
HAL_StatusTypeDef ZCanReceiver::activateRxIT() {
HAL_StatusTypeDef hal_status = HAL_ERROR;
if (m_config->rxfifoNum == CAN_RX_FIFO0) {
hal_status = HAL_CAN_ActivateNotification(m_config->canHandle, CAN_IT_RX_FIFO0_MSG_PENDING);
} else if (m_config->rxfifoNum == CAN_RX_FIFO1) {
hal_status = HAL_CAN_ActivateNotification(m_config->canHandle, CAN_IT_RX_FIFO1_MSG_PENDING);
} else {
ZLOGE(TAG, "start can HAL_CAN_ActivateNotification CAN_IT_RX_FIFO0_MSG_PENDING fail\r\n");
return hal_status;
}
return hal_status;
}
HAL_StatusTypeDef ZCanReceiver::deactivateRxIT() {
HAL_StatusTypeDef hal_status = HAL_ERROR;
if (m_config->rxfifoNum == CAN_RX_FIFO0) {
hal_status = HAL_CAN_DeactivateNotification(m_config->canHandle, CAN_IT_RX_FIFO0_MSG_PENDING);
} else if (m_config->rxfifoNum == CAN_RX_FIFO1) {
hal_status = HAL_CAN_DeactivateNotification(m_config->canHandle, CAN_IT_RX_FIFO1_MSG_PENDING);
} else {
ZLOGE(TAG, "start can HAL_CAN_ActivateNotification CAN_IT_RX_FIFO0_MSG_PENDING fail\r\n");
return hal_status;
}
return hal_status;
}
#endif
#endif