-/*!
- * \file
- * <!--
- * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
- * Copyright 2004 Giovanni Bajo
- * This file is part of DevLib - See devlib/README for information.
- * -->
- *
- * \brief Hardware support for buzzers and leds in DSP56K-based boards
- *
- * \version $Id$
- *
- * \author Giovanni Bajo <rasky@develer.com>
- */
-
-/*#*
- *#* $Log$
- *#* Revision 1.3 2004/08/25 14:12:08 rasky
- *#* Aggiornato il comment block dei log RCS
- *#*
- *#* Revision 1.2 2004/06/03 11:27:09 bernie
- *#* Add dual-license information.
- *#*
- *#* Revision 1.1 2004/05/23 18:36:05 bernie
- *#* Import buzzerled driver.
- *#*
- *#*/
-
-#include <compiler.h>
-#include <hw.h>
-#include "pwm.h"
-
-INLINE void bld_hw_init(void)
-{
-}
-
-INLINE void bld_hw_set(enum BLD_DEVICE device, bool enable)
-{
- if (bld_is_inverted_intensity(device))
- enable = !enable;
-
- // Handle a BLD connected to a PWM
- if (bld_is_pwm(device))
- {
- struct PWM* pwm = pwm_get_handle(bld_get_pwm(device));
-
- pwm_set_enable(pwm, false);
- pwm_set_dutycycle_percent(pwm, (enable ? 50 : 0));
- pwm_set_enable(pwm, true);
- }
- else if (bld_is_timer(device))
- {
- struct REG_TIMER_STRUCT* timer = bld_get_timer(device);
-
- // Check that the timer is currently stopped, and the OFLAG is not
- // controlled by another timer. Otherwise, the led is already
- // controlled by the timer, and we cannot correctly set it
- // on/off without reprogramming the timer.
- ASSERT((timer->CTRL & REG_TIMER_CTRL_MODE_MASK) == REG_TIMER_CTRL_MODE_STOP);
- ASSERT(!(timer->SCR & REG_TIMER_SCR_EEOF));
-
- // Check also that polarity is correct
- ASSERT(!(timer->SCR & REG_TIMER_SCR_OPS));
-
- // Without programming the timer, we have a way to manually force a certain
- // value on the external pin. We also need to enable the output pin.
- timer->SCR &= ~REG_TIMER_SCR_VAL_1;
- timer->SCR |= REG_TIMER_SCR_OEN |
- REG_TIMER_SCR_FORCE |
- (!enable ? REG_TIMER_SCR_VAL_0 : REG_TIMER_SCR_VAL_1);
- }
- else
- ASSERT(0);
-}
-