File content as of revision 0:c928c2d8bd02:

#include "mbed.h"

class PLL{
	public:
		PLL();
		void setFBK_MODE(int MODE);//feedback mode, 0 for external, 1 for internal
		int setPLL(int frequency);// main PLL setting function
		int testPLL();// use to test PLL working
		int check_lock();// check if PLL is locked
	private:
		unsigned int* A;//scan chain bit vector
		int FB_MODE;//feedback mode, 0 for external, 1 for internal
		void initScan();// initialize the scan chain
		int scanIn();// write A to scan chain
		int scanOut();// read scan chain value to A
		void loadChip();// load the scan in value to chip
		void loadChain();// load the scan chain value from chip
		void scanAction();// step in the value by 1 bit
		void setVector();// set bit-vector A for test
		void plloutAon();// set PLLout A on and B off
		void plloutBon();// set PLLout A off and B on
		void setPrediv(int val);//Setting the Prediv bits A[143:138] Range 1-32
		void setFbDivPreScaler(int val);//Setting the Feedback Divider Pre-scalar bits A[136:134] Range: 1-4
		void setFbDiv(int val);//Setting the Feedback Divider bits A[133:126] Range: 1-255
		void setFwDivPreScalerA(int val);//Setting the Forward Divider Pre-scalar bits for A A[150:149] Range: 1,2,4
		void setFwDivA(int val);//Setting the Forward Divider Pre-scalar bits A[148:144] Range: 1-32
		void setFwDivPreScalerB(int val);//Setting the Forward Divider Pre-scalar bits for B A[150:149] Range: 1,2,4
		void setFwDivB(int val);//Setting the Forward Divider Pre-scalar bits for B A[148:144] Range: 1-32
		void setLFTUNE(int interval);//Setting LFTUNE A[83:43] Range: 0(2.5-3.2) - 1(3.2-5.0)
		void setFFTUNE();//Setting FFTUNE A[41:26]
		void setINTFBK();//Setting feedback mode A[42]
		void setRO();//Setting(disabling) ring_osc A[7:0]
		void setINTMUX(int clk);//Setting internal clk source bits A[9:8] Range: 0: HCLK_EXT 1: ring_osc 2: PLLOUT_A 3: PLLOUT_B
		void setEXTMUX(int clk);//Setting external clk source bits A[15:14] Range: 0: HCLK_EXT 1: HCLK_divider 2: PLLOUT_A 3: PLLOUT_B
		void setEXTDIV(int val);//Setting clk divider bits for B A[13:10] Range: 0-15, divided by 2^val
		void resetPLL(int val);//Setting PLL_RESET A[158], range: 0:unreset 1:reset
};