Frank 26080115
These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!
Diff: EMAC/uIP/lpc17xx_port/clock-arch.c
- Revision:
- 0:bf7b9fba3924
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/EMAC/uIP/lpc17xx_port/clock-arch.c Sun Mar 20 05:38:56 2011 +0000
@@ -0,0 +1,34 @@
+#include "clock-arch.h"
+#include "LPC17xx.h"
+
+__IO clock_time_t Ticks;
+
+#define LED_PIN (1<<6)
+
+/* SysTick timer interrupt handler */
+void SysTick_Handler (void)
+{
+ ++Ticks;
+ if (!(Ticks & 0x07)){
+ LPC_GPIO2->FIOPIN ^= LED_PIN;
+ }
+}
+
+/* Timer init */
+void clock_init(void)
+{
+ Ticks = 0;
+
+ // NXP: Initialize System tick timer
+ // Generate interrupt each SYSTICK_PERIOD microsecond
+ if (SysTick_Config((SystemCoreClock/CLOCK_CONF_SECOND))){
+ // Capture error
+ while (1);
+ }
+}
+
+/* returned The current clock time, measured in system ticks */
+clock_time_t clock_time(void)
+{
+ return(Ticks);
+}