40 lines
1.2 KiB
NASM
40 lines
1.2 KiB
NASM
; ***************************************************************************
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; copyright : (C) 2024 by Martin Preuss
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; email : martin@libchipcard.de
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;
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; ***************************************************************************
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; * This file is part of the project "AqHome". *
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; * Please see toplevel file COPYING of that project for license details. *
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; ***************************************************************************
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.dseg
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uartIrqDataIface2: .byte UART_IRQ_IFACE_SIZE
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.cseg
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UART_Irq_InitIface2:
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ldi yl, LOW(uartIrqDataIface2)
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ldi yh, HIGH(uartIrqDataIface2)
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rcall UART_Irq_InitIface
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; setup pins and interrupts
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cbi COM_DATA2_DDR, COM_DATA2_PIN ; set DATA port as input
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cbi COM_DATA2_OUTPUT, COM_DATA2_PIN ; disable internal pullup for TXD
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cbi COM_ATTN2_DDR, COM_ATTN2_PIN ; set ATTN port as input
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cbi COM_ATTN2_OUTPUT, COM_ATTN2_PIN ; disable internal pullup for ATTN
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UART_Irq_Iface2_HandleTick:
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m_uart_irq_handle_tick \
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COM_DATA2_DDR, COM_DATA2_INPUT, COM_DATA2_OUTPUT, COM_DATA2_PIN, \
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COM_ATTN2_DDR, COM_ATTN2_INPUT, COM_ATTN2_OUTPUT, COM_ATTN2_PIN, \
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uartIrqDataIface2
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