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31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
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/**********************************************************************//**
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* @brief Checks for the board revision and returns a value < 0 if wrong
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* revision is specified in main.c
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*
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* @param none
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*
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* @return Whether or not the board revision matches the software
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* - 0 - The board revision does not match the software
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* - 1 - The board revision matches the software
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*************************************************************************/
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unsigned char assert_board_version( void )
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{
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P8DIR &= ~BIT7; // Set P8.7 input
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P8OUT |= BIT7; // Set pullup resistor
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P8REN |= BIT7; // Enable pull up resistors
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#ifdef REV_02
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if(!(P8IN & BIT7)) // Board rev = 0_02?
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return 0;
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#else
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if((P8IN & BIT7)) // Board rev = 0_03?
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return 0;
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#endif
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P8DIR |= BIT7; // Set P8.7 output
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P8OUT &= ~BIT7; // Set P8.7 = 0
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P8REN &= ~BIT7; // Disable pull up resistors
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return 1;
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}
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