crashtest-r0ket/openbeacon/lpc13xx/openbeacon-usb2/src/pin.c

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2011-06-12 02:18:11 +00:00
/***************************************************************
*
* OpenBeacon.org - GPIO declaration
*
* Copyright 2010 Milosch Meriac <meriac@openbeacon.de>
*
***************************************************************
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; version 2.
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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <openbeacon.h>
#include "pin.h"
/* IO definitions */
#define BUTTON0_PORT 2
#define BUTTON0_BIT 7
#define LED0_PORT 2
#define LED0_BIT 5
#define LED1_PORT 2
#define LED1_BIT 4
#define CPU_MODE_PMU_PORT 2
#define CPU_MODE_PMU_BIT 8
void
pin_led (uint8_t led)
{
GPIOSetValue (LED0_PORT, LED0_BIT, (led & GPIO_LED0) > 0);
GPIOSetValue (LED1_PORT, LED1_BIT, (led & GPIO_LED1) > 0);
}
void
pin_mode_pmu (uint8_t mode)
{
GPIOSetValue (CPU_MODE_PMU_PORT, CPU_MODE_PMU_BIT, mode);
}
uint8_t
pin_button0 (void)
{
return GPIOGetValue (BUTTON0_PORT, BUTTON0_BIT);
}
void
pin_init (void)
{
/* Initialize GPIO (sets up clock) */
GPIOInit ();
/* switch ISP button pin to input */
GPIOSetDir (BUTTON0_PORT, BUTTON0_BIT, 0);
/* Set LED0 port pin to output */
//LPC_IOCON->JTAG_nTRST_PIO1_2 = 1;
GPIOSetDir (LED0_PORT, LED0_BIT, 1);
GPIOSetValue (LED0_PORT, LED0_BIT, 0);
/* Set LED1 port pin to output */
//LPC_IOCON->JTAG_TDO_PIO1_1 = 1;
GPIOSetDir (LED1_PORT, LED1_BIT, 1);
GPIOSetValue (LED1_PORT, LED1_BIT, 0);
/* Set to PMU high power mode by default */
//LPC_IOCON->PIO0_5 = 0;
GPIOSetDir (CPU_MODE_PMU_PORT, CPU_MODE_PMU_BIT, 1);
pin_mode_pmu (0);
}