1 files changed, 147 insertions, 0 deletions
diff --git a/misc/Obsoleted/arch/8051/src/up_timerisr.c b/misc/Obsoleted/arch/8051/src/up_timerisr.c
new file mode 100644
index 000000000..7abe5d2fe
--- /dev/null
+++ b/misc/Obsoleted/arch/8051/src/up_timerisr.c
@@ -0,0 +1,147 @@
+/************************************************************************
+ * arch/8051/src/up_timerisr.c
+ *
+ *   Copyright (C) 2007, 2009, 2014 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************/
+
+/************************************************************************
+ * Included Files
+ ************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <debug.h>
+
+#include <nuttx/arch.h>
+#include <8052.h>
+
+#include "clock/clock.h"
+#include "up_internal.h"
+
+/************************************************************************
+ * Definitions
+ ************************************************************************/
+
+/************************************************************************
+ * Private Types
+ ************************************************************************/
+
+/************************************************************************
+ * Private Function Prototypes
+ ************************************************************************/
+
+/************************************************************************
+ * Global Functions
+ ************************************************************************/
+
+/************************************************************************
+ * Function:  up_timerisr
+ *
+ * Description:
+ *   The timer ISR will perform a variety of services for
+ *   various portions of the systems.
+ *
+ ************************************************************************/
+
+int up_timerisr(int irq, FAR uint8_t *frame)
+{
+   /* Process timer interrupt */
+
+   sched_process_timer();
+   return 0;
+}
+
+/************************************************************************
+ * Function:  up_timer_initialize
+ *
+ * Description:
+ *   This function is called during start-up to initialize
+ *   the timer interrupt.
+ *
+ ************************************************************************/
+
+void up_timer_initialize(void)
+{
+#ifdef CONFIG_ARCH_8051_NOSYSTIMER
+  up_disable_irq(TIMER2_IRQ);
+
+  /* Set up timer 2 -- See pjrc.h for details */
+
+  T2MOD  = 0;
+
+  /* Set up the capture count to generate 100Hz system
+   * interrupts.
+   */
+
+  RCAP2L = TIMER2_CAPTURE_LOW;
+  RCAP2H = TIMER2_CAPTURE_HIGH;
+
+  TL2    = TIMER2_CAPTURE_LOW;
+  TH2    = TIMER2_CAPTURE_HIGH;
+
+  /* Configure for interrupts */
+
+  T2CON  = 0x04;
+
+  /* Attach and enable the timer interrupt */
+
+  irq_attach(TIMER2_IRQ, (xcpt_t)up_timerisr);
+  up_enable_irq(TIMER2_IRQ);
+
+#else
+  /* Timer 0, mode 0 can be used as a system timer.  In that mode, the
+   * 1.8432 MHz clock is divided by 32.  A single 8-bit value is incremented
+   * at 57600 Hz, which results in 225 Timer 0 overflow interrupts per
+   * second.
+   */
+
+  up_disable_irq(TIMER0_IRQ);
+
+  /* Initialize timer 0 */
+
+  TR0   = 0;     /* Make sure timer 0 is stopped */
+  TF0   = 0;     /* Clear the overflow flag */
+  TMOD &= 0xF0;  /* Set to mode 0 (without changing timer1) */
+  TL0   = 0;     /* Clear timer 0 value */
+  TH0   = 0;
+
+  /* Attach and enable the timer interrupt */
+
+  irq_attach(TIMER0_IRQ, (xcpt_t)up_timerisr);
+
+  TR0 = 1;       /* Start the timer */
+  up_enable_irq(TIMER0_IRQ);
+
+#endif
+}
+