44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
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#include "mcp_can.h"
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//SPIClass SPI_CAN(&sercom0, 12, 13, 11, SPI_PAD_0_SCK_1, SERCOM_RX_PAD_3);
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//SPIClass SPI_CAN(&sercom1, 12, 13, 11, SPI_PAD_0_SCK_1, SERCOM_RX_PAD_3); // ???????
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/*********************************************************************************************************
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** Function name: MCP_CAN
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** Descriptions: Constructor
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*********************************************************************************************************/
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MCP_CAN::MCP_CAN(byte _CS)
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{
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//pSPI = &SPI_CAN;
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pSPI = &SPI;
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init_CS(_CS);
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}
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/*********************************************************************************************************
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** Function name: init_CS
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** Descriptions: init CS pin and set UNSELECTED
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*********************************************************************************************************/
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void MCP_CAN::init_CS(byte _CS)
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{
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if (_CS == 0)
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{
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return;
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}
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SPICS = _CS;
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pinMode(SPICS, OUTPUT);
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digitalWrite(SPICS, HIGH);
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}
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void MCP_CAN::setSPI(SPIClass *_pSPI)
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{
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pSPI = _pSPI; // define SPI port to use before begin()
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}
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inline byte MCP_CAN::trySendExtMsgBuf(unsigned long id, byte len, const byte *buf, byte iTxBuf)
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{ // as trySendMsgBuf, but set ext=1 and rtr=0
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return trySendMsgBuf(id, 1, 0, len, buf, iTxBuf);
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}
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inline byte MCP_CAN::sendExtMsgBuf(byte status, unsigned long id, byte len, volatile const byte *buf)
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{ // as sendMsgBuf, but set ext=1 and rtr=0
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return sendMsgBuf(status, id, 1, 0, len, buf);
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}
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