Diff: blinky.c

Revision:

1:0f1be4e75668

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/blinky.c	Mon May 28 00:13:23 2012 +0000
@@ -0,0 +1,91 @@
+/****************************************************************************
+ *   $Id:: blinky.c 9190 2012-02-16 20:59:45Z nxp41306                      $
+ *   Project: NXP LPC11xx Blinky example
+ *
+ *   Description:
+ *     This file contains LED blink code example which include timer, 
+ *     GPIO initialization, and clock monitoring.
+ *
+ ****************************************************************************
+ * Software that is described herein is for illustrative purposes only
+ * which provides customers with programming information regarding the
+ * products. This software is supplied "AS IS" without any warranties.
+ * NXP Semiconductors assumes no responsibility or liability for the
+ * use of the software, conveys no license or title under any patent,
+ * copyright, or mask work right to the product. NXP Semiconductors
+ * reserves the right to make changes in the software without
+ * notification. NXP Semiconductors also make no representation or
+ * warranty that such application will be suitable for the specified
+ * use without further testing or modification.
+****************************************************************************/
+#include "LPC11Uxx.h"                    /* LPC11Uxx definitions */
+#include "timer16.h"
+#include "clkconfig.h"
+#include "gpio.h"
+#include "nmi.h"
+
+#define TEST_TIMER_NUM        0        /* 0 or 1 for 16-bit timers only */
+
+extern volatile uint32_t timer16_0_counter[2];
+extern volatile uint32_t timer16_1_counter[2];
+
+/* Main Program */
+
+int main (void) {
+  uint32_t interval;
+
+  SystemCoreClockUpdate();
+
+  /* Config CLKOUT, mostly used for debugging. */
+ // CLKOUT_Setup( CLKOUTCLK_SRC_MAIN_CLK );
+ // LPC_IOCON->PIO0_1 &= ~0x07;    
+ // LPC_IOCON->PIO0_1 |= 0x01;        /* CLK OUT */
+
+  /* Enable AHB clock to the GPIO domain. */
+  LPC_SYSCON->SYSAHBCLKCTRL |= (1<<6);
+
+  /* TEST_TIMER_NUM is either 0 or 1 for 16-bit timer 0 or 1. */
+  interval = SystemCoreClock/1000 - 1;
+  if ( interval > 0xFFFF )
+  {
+    interval = 0xFFFF;
+  }
+  init_timer16(TEST_TIMER_NUM, interval);
+  enable_timer16(TEST_TIMER_NUM);
+
+  /* Set port 1_8 to output */
+  GPIOSetDir( 1, 8, 1 );
+
+  while (1)                                /* Loop forever */
+  {
+#if TEST_TIMER_NUM
+    /* I/O configuration and LED setting pending. */
+    if ( (timer16_1_counter[0] > 0) && (timer16_1_counter[0] <= 200) )
+    {
+      GPIOSetBitValue( 1, 8, 0 );
+    }
+    if ( (timer16_1_counter[0] > 200) && (timer16_1_counter[0] <= 400) )
+    {
+      GPIOSetBitValue( 1, 8, 1 );
+    }
+    else if ( timer16_1_counter[0] > 400 )
+    {
+      timer16_1_counter[0] = 0;
+    }
+#else
+    /* I/O configuration and LED setting pending. */
+    if ( (timer16_0_counter[0] > 0) && (timer16_0_counter[0] <= 200) )
+    {
+      GPIOSetBitValue( 1, 8, 0 );
+    }
+    if ( (timer16_0_counter[0] > 200) && (timer16_0_counter[0] <= 400) )
+    {
+      GPIOSetBitValue( 1, 8, 1 );
+    }
+    else if ( timer16_0_counter[0] > 400 )
+    {
+      timer16_0_counter[0] = 0;
+    }
+#endif
+  }
+}