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Re: CAN使用問題
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管理員
 
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yiming 你好，
關於SAMC21微控制器的 CAN BUS 應用範例可以參考以下資源: https://mplab-discover.microchip.com/v2?dsl=SAMC21+AND+CAN https://www.youtube.com/watch?v=_TFC3wjDwMk (範例專案使用的Harmony版本可能與最新版本不同) 另外提供關於CAN BUS 的一些補充資訊，供參考: https://mu.microchip.com/understanding-the-can-fd-protocol-ser3-tc
發表於: 6/24 13:29
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CAN使用問題
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資深會員
 
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原本想依APP_21_D21_TW_101_Lab_All 操作一下CAN程式，比對後發現有很大的不同.
請問MCC v5 CAN 有什麼使用的說明文件嗎? 記得harmony v3是有說明文件的(但現在也找不到了). harmony v3 用這方式將資料丟出去... CAN_TxBuffer[0]=i2cRdData[0]; CAN_TxBuffer[1]=0x88; CAN_TxBuffer[2]=0x99; CAN_TxBuffer[3]=CAN_Counter++; CAN0_MessageTransmitFifo(0x100,CAN_TxBuffer); MCC v5 bool CAN0_MessageTransmitFifo(uint8_t numberOfMessage, CAN_TX_BUFFER *txBuffer); typedef struct { /* Identifier */ unsigned int id:29; /* Remote Transmission Request */ unsigned int rtr:1; /* Extended Identifier */ unsigned int xtd:1; /* Error State Indicator */ unsigned int esi:1; /* Reserved */ unsigned int :16; /* Data Length Code */ unsigned int dlc:4; /* Bit Rate Switching */ unsigned int brs:1; /* FD Format */ unsigned int fdf:1; /* Reserved */ unsigned int :1; /* Event FIFO Control */ unsigned int efc:1; /* Message Marker */ unsigned int mm:8; /* Data field */ uint8_t data[8]; } CAN_TX_BUFFER;
發表於: 6/21 20:57
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