+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* Copyright (C) 2011 by Martin Schmoelzer *
* <martin.schmoelzer@student.tuwien.ac.at> *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "main.h"
void io_init(void)
{
- /* PORTxCFG register bits select alternate functions (1 == alternate function,
- * 0 == standard I/O)
- * OEx register bits turn on/off output buffer (1 == output, 0 == input)
- * OUTx register bits determine pin state of output
- * PINx register bits reflect pin state (high == 1, low == 0) */
+ /* PORTxCFG register bits select alternate functions (1 == alternate function,
+ * 0 == standard I/O)
+ * OEx register bits turn on/off output buffer (1 == output, 0 == input)
+ * OUTx register bits determine pin state of output
+ * PINx register bits reflect pin state (high == 1, low == 0) */
- /* PORT A */
- PORTACFG = PIN_OE;
- OEA = PIN_U_OE | PIN_OE | PIN_RUN_LED | PIN_COM_LED;
- OUTA = PIN_RUN_LED | PIN_COM_LED;
+ /* PORT A */
+ PORTACFG = PIN_OE;
+ OEA = PIN_U_OE | PIN_OE | PIN_RUN_LED | PIN_COM_LED;
+ OUTA = PIN_RUN_LED | PIN_COM_LED;
- /* PORT B */
- PORTBCFG = 0x00;
- OEB = PIN_TDI | PIN_TMS | PIN_TCK | PIN_TRST | PIN_BRKIN | PIN_RESET
- | PIN_OCDSE;
+ /* PORT B */
+ PORTBCFG = 0x00;
+ OEB = PIN_TDI | PIN_TMS | PIN_TCK | PIN_TRST | PIN_BRKIN | PIN_RESET
+ | PIN_OCDSE;
- /* TRST and RESET signals are low-active but inverted by hardware, so we clear
- * these signals here! */
- OUTB = 0x00;
+ /* TRST and RESET signals are low-active but inverted by hardware, so we clear
+ * these signals here! */
+ OUTB = 0x00;
- /* PORT C */
- PORTCCFG = PIN_WR;
- OEC = PIN_TXD0 | PIN_WR;
- OUTC = 0x00;
+ /* PORT C */
+ PORTCCFG = PIN_WR;
+ OEC = PIN_TXD0 | PIN_WR;
+ OUTC = 0x00;
}
int main(void)
{
- io_init();
- usb_init();
+ io_init();
+ usb_init();
- /* Enable Interrupts */
- EA = 1;
+ /* Enable Interrupts */
+ EA = 1;
- /* Begin executing command(s). This function never returns. */
- command_loop();
+ /* Begin executing command(s). This function never returns. */
+ command_loop();
- /* Never reached, but SDCC complains about missing return statement */
- return 0;
+ /* Never reached, but SDCC complains about missing return statement */
+ return 0;
}