44 lines
1.2 KiB
NASM
44 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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uartIrqDataIface1: .byte UART_IRQ_IFACE_SIZE
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.cseg
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UART_Irq_InitIface1:
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ldi yl, LOW(uartIrqDataIface1)
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ldi yh, HIGH(uartIrqDataIface1)
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rcall UART_Irq_InitIface
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; setup pins and interrupts
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cbi COM_DATA_DDR, COM_DATA_PIN ; set DATA port as input
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cbi COM_DATA_OUTPUT, COM_DATA_PIN ; disable internal pullup for TXD
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cbi COM_ATTN_DDR, COM_ATTN_PIN ; set ATTN port as input
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cbi COM_ATTN_OUTPUT, COM_ATTN_PIN ; disable internal pullup for ATTN
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ret
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UART_Irq_Iface1_HandleTick:
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m_uart_irq_handle_tick \
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COM_DATA_DDR, COM_DATA_INPUT, COM_DATA_OUTPUT, COM_DATA_PIN, \
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COM_ATTN_DDR, COM_ATTN_INPUT, COM_ATTN_OUTPUT, COM_ATTN_PIN, \
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uartIrqDataIface1
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