#ifndef _HAL_MACHPERIPH_H
#define _HAL_MACHPERIPH_H
-void lpc_pll_on();
-void lpc_pll_off();
+extern unsigned int system_frequency; /*!< System Clock Frequency (Core Clock) */
+
+void system_clock_init(void);
+
void lpc_watchdog_init(int on,int timeout_ms);
void lpc_watchdog_feed();