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converting else-if to switch-case (lines 42-79) #22

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converting else-if to switch-case (lines 42-79) #22

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53 changes: 36 additions & 17 deletions FlexCAN.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -39,24 +39,43 @@ FlexCAN::FlexCAN(uint32_t baud)
FLEXCAN0_MCR |= FLEXCAN_MCR_FEN;

// segment splits and clock divisor based on baud rate
if ( 50000 == baud ) {
FLEXCAN0_CTRL1 = (FLEXCAN_CTRL_PROPSEG(2) | FLEXCAN_CTRL_RJW(1)
switch (baud)
{
case 50000:
{
FLEXCAN0_CTRL1 = (FLEXCAN_CTRL_PROPSEG(2) | FLEXCAN_CTRL_RJW(1)
| FLEXCAN_CTRL_PSEG1(7) | FLEXCAN_CTRL_PSEG2(3) | FLEXCAN_CTRL_PRESDIV(19));
} else if ( 100000 == baud ) {
FLEXCAN0_CTRL1 = (FLEXCAN_CTRL_PROPSEG(2) | FLEXCAN_CTRL_RJW(1)
| FLEXCAN_CTRL_PSEG1(7) | FLEXCAN_CTRL_PSEG2(3) | FLEXCAN_CTRL_PRESDIV(9));
} else if ( 250000 == baud ) {
FLEXCAN0_CTRL1 = (FLEXCAN_CTRL_PROPSEG(2) | FLEXCAN_CTRL_RJW(1)
| FLEXCAN_CTRL_PSEG1(7) | FLEXCAN_CTRL_PSEG2(3) | FLEXCAN_CTRL_PRESDIV(3));
} else if ( 500000 == baud ) {
FLEXCAN0_CTRL1 = (FLEXCAN_CTRL_PROPSEG(2) | FLEXCAN_CTRL_RJW(1)
| FLEXCAN_CTRL_PSEG1(7) | FLEXCAN_CTRL_PSEG2(3) | FLEXCAN_CTRL_PRESDIV(1));
} else if ( 1000000 == baud ) {
FLEXCAN0_CTRL1 = (FLEXCAN_CTRL_PROPSEG(2) | FLEXCAN_CTRL_RJW(0)
| FLEXCAN_CTRL_PSEG1(1) | FLEXCAN_CTRL_PSEG2(1) | FLEXCAN_CTRL_PRESDIV(1));
} else { // 125000
FLEXCAN0_CTRL1 = (FLEXCAN_CTRL_PROPSEG(2) | FLEXCAN_CTRL_RJW(1)
| FLEXCAN_CTRL_PSEG1(7) | FLEXCAN_CTRL_PSEG2(3) | FLEXCAN_CTRL_PRESDIV(7));
break;
}
case 100000:
{
FLEXCAN0_CTRL1 = (FLEXCAN_CTRL_PROPSEG(2) | FLEXCAN_CTRL_RJW(1)
| FLEXCAN_CTRL_PSEG1(7) | FLEXCAN_CTRL_PSEG2(3) | FLEXCAN_CTRL_PRESDIV(9));
break;
}
case 250000:
{
FLEXCAN0_CTRL1 = (FLEXCAN_CTRL_PROPSEG(2) | FLEXCAN_CTRL_RJW(1)
| FLEXCAN_CTRL_PSEG1(7) | FLEXCAN_CTRL_PSEG2(3) | FLEXCAN_CTRL_PRESDIV(3));
break;
}
case 500000:
{
FLEXCAN0_CTRL1 = (FLEXCAN_CTRL_PROPSEG(2) | FLEXCAN_CTRL_RJW(1)
| FLEXCAN_CTRL_PSEG1(7) | FLEXCAN_CTRL_PSEG2(3) | FLEXCAN_CTRL_PRESDIV(1));
break;
}
case 1000000:
{
FLEXCAN0_CTRL1 = (FLEXCAN_CTRL_PROPSEG(2) | FLEXCAN_CTRL_RJW(0)
| FLEXCAN_CTRL_PSEG1(1) | FLEXCAN_CTRL_PSEG2(1) | FLEXCAN_CTRL_PRESDIV(1));
break;
}
default: // 125000
{
FLEXCAN0_CTRL1 = (FLEXCAN_CTRL_PROPSEG(2) | FLEXCAN_CTRL_RJW(1)
| FLEXCAN_CTRL_PSEG1(7) | FLEXCAN_CTRL_PSEG2(3) | FLEXCAN_CTRL_PRESDIV(7));
}
}

// Default mask is allow everything
Expand Down