79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/***************************************************************************
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* Copyright (C) 2011 by Martin Schmoelzer *
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* <martin.schmoelzer@student.tuwien.ac.at> *
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***************************************************************************/
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#include "main.h"
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#include "io.h"
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#include "usb.h"
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#include "protocol.h"
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extern void sudav_isr(void) __interrupt SUDAV_ISR;
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extern void sof_isr(void) __interrupt;
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extern void sutok_isr(void) __interrupt;
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extern void suspend_isr(void) __interrupt;
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extern void usbreset_isr(void) __interrupt;
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extern void ibn_isr(void) __interrupt;
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extern void ep0in_isr(void) __interrupt;
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extern void ep0out_isr(void) __interrupt;
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extern void ep1in_isr(void) __interrupt;
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extern void ep1out_isr(void) __interrupt;
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extern void ep2in_isr(void) __interrupt;
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extern void ep2out_isr(void) __interrupt;
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extern void ep3in_isr(void) __interrupt;
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extern void ep3out_isr(void) __interrupt;
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extern void ep4in_isr(void) __interrupt;
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extern void ep4out_isr(void) __interrupt;
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extern void ep5in_isr(void) __interrupt;
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extern void ep5out_isr(void) __interrupt;
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extern void ep6in_isr(void) __interrupt;
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extern void ep6out_isr(void) __interrupt;
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extern void ep7in_isr(void) __interrupt;
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extern void ep7out_isr(void) __interrupt;
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void io_init(void)
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{
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/* PORTxCFG register bits select alternate functions (1 == alternate function,
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* 0 == standard I/O)
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* OEx register bits turn on/off output buffer (1 == output, 0 == input)
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* OUTx register bits determine pin state of output
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* PINx register bits reflect pin state (high == 1, low == 0) */
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/* PORT A */
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PORTACFG = PIN_OE;
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OEA = PIN_U_OE | PIN_OE | PIN_RUN_LED | PIN_COM_LED;
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OUTA = PIN_RUN_LED | PIN_COM_LED;
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/* PORT B */
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PORTBCFG = 0x00;
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OEB = PIN_TDI | PIN_TMS | PIN_TCK | PIN_TRST | PIN_BRKIN | PIN_RESET
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| PIN_OCDSE;
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/* TRST and RESET signals are low-active but inverted by hardware, so we clear
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* these signals here! */
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OUTB = 0x00;
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/* PORT C */
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PORTCCFG = PIN_WR;
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OEC = PIN_TXD0 | PIN_WR;
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OUTC = 0x00;
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}
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int main(void)
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{
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io_init();
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usb_init();
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/* Enable Interrupts */
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EA = 1;
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/* Begin executing command(s). This function never returns. */
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command_loop();
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/* Never reached, but SDCC complains about missing return statement */
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return 0;
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}
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