Michel2/Seeed_Arduino_CAN
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Update mcp_can.cpp

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This commit is contained in:
Martin
2016-06-03 14:04:57 +02:00
parent a52c58bcd2
commit c6c192df37
1 changed files with 30 additions and 10 deletions
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mcp_can.cpp
+30 -10
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@@ -57,11 +57,15 @@
*********************************************************************************************************/
void MCP_CAN::mcp2515_reset(void)
{
SPI_BEGIN();
#ifdef SPI_HAS_TRANSACTION
SPI_BEGIN();
#endif
MCP2515_SELECT();
spi_readwrite(MCP_RESET);
MCP2515_UNSELECT();
SPI_END();
#ifdef SPI_HAS_TRANSACTION
SPI_END();
#endif
delay(10);
}
@@ -73,13 +77,17 @@ INT8U MCP_CAN::mcp2515_readRegister(const INT8U address)
{
INT8U ret;
SPI_BEGIN();
#ifdef SPI_HAS_TRANSACTION
SPI_BEGIN();
#endif
MCP2515_SELECT();
spi_readwrite(MCP_READ);
spi_readwrite(address);
ret = spi_read();
MCP2515_UNSELECT();
SPI_END();
#ifdef SPI_HAS_TRANSACTION
SPI_END();
#endif
return ret;
}
@@ -91,7 +99,9 @@ INT8U MCP_CAN::mcp2515_readRegister(const INT8U address)
void MCP_CAN::mcp2515_readRegisterS(const INT8U address, INT8U values[], const INT8U n)
{
INT8U i;
SPI_BEGIN();
#ifdef SPI_HAS_TRANSACTION
SPI_BEGIN();
#endif
MCP2515_SELECT();
spi_readwrite(MCP_READ);
spi_readwrite(address);
@@ -100,7 +110,9 @@ void MCP_CAN::mcp2515_readRegisterS(const INT8U address, INT8U values[], const I
values[i] = spi_read();
}
MCP2515_UNSELECT();
SPI_END();
#ifdef SPI_HAS_TRANSACTION
SPI_END();
#endif
}
/*********************************************************************************************************
@@ -109,13 +121,17 @@ void MCP_CAN::mcp2515_readRegisterS(const INT8U address, INT8U values[], const I
*********************************************************************************************************/
void MCP_CAN::mcp2515_setRegister(const INT8U address, const INT8U value)
{
SPI_BEGIN();
#ifdef SPI_HAS_TRANSACTION
SPI_BEGIN();
#endif
MCP2515_SELECT();
spi_readwrite(MCP_WRITE);
spi_readwrite(address);
spi_readwrite(value);
MCP2515_UNSELECT();
SPI_END();
#ifdef SPI_HAS_TRANSACTION
SPI_END();
#endif
}
/*********************************************************************************************************
@@ -125,7 +141,9 @@ void MCP_CAN::mcp2515_setRegister(const INT8U address, const INT8U value)
void MCP_CAN::mcp2515_setRegisterS(const INT8U address, const INT8U values[], const INT8U n)
{
INT8U i;
SPI_BEGIN();
#ifdef SPI_HAS_TRANSACTION
SPI_BEGIN();
#endif
MCP2515_SELECT();
spi_readwrite(MCP_WRITE);
spi_readwrite(address);
@@ -135,7 +153,9 @@ void MCP_CAN::mcp2515_setRegisterS(const INT8U address, const INT8U values[], co
spi_readwrite(values[i]);
}
MCP2515_UNSELECT();
SPI_END();
#ifdef SPI_HAS_TRANSACTION
SPI_END();
#endif
}
/*********************************************************************************************************