/*********************************************************************
*    项目名称:MG82F6D64-DEMO
*			测试板使用 MG82F6D64 LQFP64_V10 EV Board (TH210A)
*			CpuCLK=12MHz, SysCLK=12MHz
*	功能描述：
*			PCA时钟: 12MHz
*			CH2: 在CEX2/PWM2(P24),PWM2A(P34)/PWM2B(P35)同时输出
*			边沿对齐,分辨率为1000
*			PWM频率: 12MHz/(1000)=12KHz
*	注意事项：
*
*    建立时间:
*    修改日志:
*    
*********************************************************************/
#define _MAIN_C

#include <Intrins.h>
#include <Absacc.h>

#include <Stdio.h>  // for printf

#include ".\include\REG_MG82F6D64.H"
#include ".\include\Type.h"
#include ".\include\API_Macro_MG82F6D64.H"
#include ".\include\API_Uart_BRGRL_MG82F6D64.H"

/*************************************************
*定义系统时钟SysClk (MAX.50MHz)
*可选: 
*	11059200,12000000,
*	22118400,24000000,
*	29491200,32000000,
*	33170000,36000000,
*	44236800,48000000
*************************************************/
#define MCU_SYSCLK		12000000
/*************************************************/
/*************************************************
*定义CPU时钟 CpuClk (MAX.36MHz)
*	1) CpuCLK=SysCLK
*	2) CpuClk=SysClk/2
*************************************************/
#define MCU_CPUCLK		(MCU_SYSCLK)
//#define MCU_CPUCLK		(MCU_SYSCLK/2)

#define TIMER_1T_1ms_TH	((65536-(u16)(float)(1000*((float)(MCU_SYSCLK)/(float)(1000000)))) /256) 			
#define TIMER_1T_1ms_TL	((65536-(u16)(float)(1000*((float)(MCU_SYSCLK)/(float)(1000000)))) %256)

#define TIMER_12T_1ms_TH	((65536-(u16)(float)(1000*((float)(MCU_SYSCLK)/(float)(12000000)))) /256) 			
#define TIMER_12T_1ms_TL	((65536-(u16)(float)(1000*((float)(MCU_SYSCLK)/(float)(12000000)))) %256)

#define LED_G_0		P55
#define LED_R		P56
#define LED_G_1		P57



#define PWM_MIN			(0*1)
#define PWM_MAX			(1000*1)
#define PWM_3_4			(750*1)
#define PWM_2_4			(500*1)
#define PWM_1_4			(250*1)
#define PWM_LOW			(40*1)
#define PWM_HINT		(50*1)

#define PCA_RELOAD		(PWM_MAX)

#define PCA_C           (65536)       	

#define PCA_CL(x)		(u8)((~(u16)x)+1) 
#define PCA_CH(x)     	(u8)(((~(u16)x)+1)>>8)         

idata WordTypeDef wDuty;
u8 DutyFlag;

/*************************************************
*函数名称:     void DelayXus(u16 xUs)
*功能描述:   	延时程序，单位为us
*输入参数:     u8 Us -> *1us  (1~255)
*返回参数:     
*************************************************/
void DelayXus(u8 xUs)
{
	while(xUs!=0)
	{
#if (MCU_CPUCLK>=11059200)
		_nop_();
#endif
#if (MCU_CPUCLK>=14745600)
		_nop_();
		_nop_();
		_nop_();
		_nop_();
#endif
#if (MCU_CPUCLK>=16000000)
		_nop_();
#endif

#if (MCU_CPUCLK>=22118400)
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
#endif
#if (MCU_CPUCLK>=24000000)
		_nop_();
		_nop_();
#endif		
#if (MCU_CPUCLK>=29491200)
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
#endif
#if (MCU_CPUCLK>=32000000)
		_nop_();
		_nop_();
#endif

		xUs--;
	}
}

/*************************************************
*函数名称:     void DelayXms(u16 xMs)
*功能描述:     延时程序，单位为ms
*输入参数:     u16 xMs -> *1ms  (1~65535)
*返回参数:     
*************************************************/
void DelayXms(u16 xMs)
{
	while(xMs!=0)
	{
		CLRWDT();
		DelayXus(200);
		DelayXus(200);
		DelayXus(200);
		DelayXus(200);
		DelayXus(200);
		xMs--;
		
	}
}
/***********************************************************************************
*函数名称:   void InitPort(void)
*功能描述:   IO配置
*输入参数:   
*返回参数:     
*************************************************************************************/
void InitPort(void)
{
	PORT_SetP3PushPull(BIT4|BIT5);					// 设置P34(PWM2A),P35(PWM2B)为推挽输出
	PORT_SetP5PushPull(BIT5|BIT6|BIT7);				// 设置P55,P56,P57为推挽输出(LED)
	PORT_SetP2PushPull(BIT4);						// 设置P24(CEX2/PWM2)为推挽输出
}

/***********************************************************************************
*函数名称:   void InitPCA_PWM(void)
*功能描述:   PCA初始化
*输入参数:   
*返回参数:     
*************************************************************************************/
void InitPCA_PWM(void)
{
	PCA_SetCLOCK_SYSCLK();			// PCA时钟为SysClk = 12MHz
	
	PCA_CH2_SetMode_PWM();
	PCA_CH3_SetMode_PWM();

	PCA_CH2_SetPWM_16Bit();
	PCA_CH3_SetPWM_16Bit();

	PCA_CH23_SetPWM_EnBufferMode();		// CH2,CH3 使能缓冲模式

	PCA_SetPWM_EdgeAligned();			// 边沿对齐

	// 设置PWM占空比比较值
	PCA_CH2_SetValue(PCA_CH(PWM_MIN),PCA_CL(PWM_MIN));
	PCA_CH3_SetValue(PCA_CH(PWM_MIN),PCA_CL(PWM_MIN));

	// 设置PWM频率
	PCA_SetCounter(PCA_C-PCA_RELOAD);
	PCA_SetCounterReload(PCA_C-PCA_RELOAD);

	// 设置PWM输出引脚
	PCA_SetPWM2APWM2B_P34P35();			// 设置PWM2A:P34,PWM2B:P35
	PCA_SetCEX0CEX2CEX4_P22P24P26();	// 设置CEX0:P22,CEX2:P24,CEX4:P26

	// 使能PWM输出
	PCA_SetPWM2_EnOutput();				// 使能PWM2输出
	PCA_SetPWM2_2nd_EnOutput();			// 使能PWM2A输出
	PCA_SetPWM2_3rd_EnOutput();			// 使能PWM2B输出


	PCA_CF_DisInterrupt();				// 禁止CF中断

	
	
	PCA_EnPCACounter();					// 使能PCA计数器, 
		
}


/***********************************************************************************
*函数名称:   void InitClock(void)
*功能描述:   时钟初始化	
*输入参数:   
*返回参数:     
*************************************************************************************/
void InitClock(void)
{
#if (MCU_SYSCLK==11059200)
#if (MCU_CPUCLK==MCU_SYSCLK)
	// SysClk=11.0592MHz CpuClk=11.0592MHz
	CLK_SetCKCON0(IHRCO_110592MHz|CPUCLK_SYSCLK_DIV_1|SYSCLK_MCKDO_DIV_1);
	
#else
	// SysClk=11.0592MHz CpuClk=5.5296MHz
	CLK_SetCKCON0(IHRCO_110592MHz|CPUCLK_SYSCLK_DIV_2|SYSCLK_MCKDO_DIV_1);
#endif
#endif

#if (MCU_SYSCLK==12000000)
#if (MCU_CPUCLK==MCU_SYSCLK)
	// SysClk=12MHz CpuClk=12MHz
	CLK_SetCKCON0(IHRCO_12MHz|CPUCLK_SYSCLK_DIV_1|SYSCLK_MCKDO_DIV_1);
	
#else
	// SysClk=12MHz CpuClk=6MHz
	CLK_SetCKCON0(IHRCO_12MHz|CPUCLK_SYSCLK_DIV_2|SYSCLK_MCKDO_DIV_1);
#endif
#endif

#if (MCU_SYSCLK==22118400)
#if (MCU_CPUCLK==MCU_SYSCLK)
	// SysClk=22.1184MHz CpuClk=22.1184MHz
	CLK_SetCKCON0(IHRCO_110592MHz|CPUCLK_SYSCLK_DIV_1|SYSCLK_MCKDO_DIV_1|ENABLE_CKM|CKM_OSCIN_DIV_2);
	DelayXus(100);
	// IHRCO, MCK=CKMIx4, OSCin=IHRCO
	CLK_SetCKCON2(ENABLE_IHRCO|MCK_CKMI_X4|OSCIn_IHRCO);
#else
	// SysClk=22.1184MHz CpuClk=11.0592MHz
	CLK_SetCKCON0(IHRCO_110592MHz|CPUCLK_SYSCLK_DIV_2|SYSCLK_MCKDO_DIV_1|ENABLE_CKM|CKM_OSCIN_DIV_2);
	DelayXus(100);
	// IHRCO, MCK=CKMIx4, OSCin=IHRCO
	CLK_SetCKCON2(ENABLE_IHRCO|MCK_CKMI_X4|OSCIn_IHRCO);
#endif
#endif

#if (MCU_SYSCLK==24000000)
#if (MCU_CPUCLK==MCU_SYSCLK)
	// SysClk=24MHz CpuClk=24MHz
	CLK_SetCKCON0(IHRCO_12MHz|CPUCLK_SYSCLK_DIV_1|SYSCLK_MCKDO_DIV_1|ENABLE_CKM|CKM_OSCIN_DIV_2);
	DelayXus(100);
	// IHRCO, MCK=CKMIx4, OSCin=IHRCO
	CLK_SetCKCON2(ENABLE_IHRCO|MCK_CKMI_X4|OSCIn_IHRCO);
#else
	// SysClk=24MHz CpuClk=12MHz
	CLK_SetCKCON0(IHRCO_12MHz|CPUCLK_SYSCLK_DIV_2|SYSCLK_MCKDO_DIV_1|ENABLE_CKM|CKM_OSCIN_DIV_2);
	DelayXus(100);
	// IHRCO, MCK=CKMIx4, OSCin=IHRCO
	CLK_SetCKCON2(ENABLE_IHRCO|MCK_CKMI_X4|OSCIn_IHRCO);
#endif
#endif

#if (MCU_SYSCLK==29491200)
#if (MCU_CPUCLK==MCU_SYSCLK)
	// Cpuclk high speed
	CLK_SetCpuCLK_HighSpeed();
	// SysClk=29.491200MHz CpuClk=29.491200MHz
	CLK_SetCKCON0(IHRCO_110592MHz|CPUCLK_SYSCLK_DIV_1|SYSCLK_MCKDO_DIV_1|ENABLE_CKM|CKM_OSCIN_DIV_2);
	DelayXus(100);
	// IHRCO, MCK=CKMIx5.33, OSCin=IHRCO
	CLK_SetCKCON2(ENABLE_IHRCO|MCK_CKMI_X533|OSCIn_IHRCO);
#else
	// SysClk=29.491200MHz CpuClk=14.7456MHz
	CLK_SetCKCON0(IHRCO_110592MHz|CPUCLK_SYSCLK_DIV_2|SYSCLK_MCKDO_DIV_1|ENABLE_CKM|CKM_OSCIN_DIV_2);
	DelayXus(100);
	// IHRCO, MCK=CKMIx5.33, OSCin=IHRCO
	CLK_SetCKCON2(ENABLE_IHRCO|MCK_CKMI_X533|OSCIn_IHRCO);
#endif
#endif

#if (MCU_SYSCLK==32000000)
#if (MCU_CPUCLK==MCU_SYSCLK)
	// Cpuclk high speed
	CLK_SetCpuCLK_HighSpeed();
	// SysClk=32MHz CpuClk=32MHz
	CLK_SetCKCON0(IHRCO_12MHz|CPUCLK_SYSCLK_DIV_1|SYSCLK_MCKDO_DIV_1|ENABLE_CKM|CKM_OSCIN_DIV_2);
	DelayXus(100);
	// IHRCO, MCK=CKMIx5.33, OSCin=IHRCO
	CLK_SetCKCON2(ENABLE_IHRCO|MCK_CKMI_X533|OSCIn_IHRCO);
#else
	// SysClk=32MHz CpuClk=16MHz
	CLK_SetCKCON0(IHRCO_12MHz|CPUCLK_SYSCLK_DIV_2|SYSCLK_MCKDO_DIV_1|ENABLE_CKM|CKM_OSCIN_DIV_2);
	DelayXus(100);
	// IHRCO, MCK=CKMIx5.33, OSCin=IHRCO
	CLK_SetCKCON2(ENABLE_IHRCO|MCK_CKMI_X533|OSCIn_IHRCO);
#endif
#endif

#if (MCU_SYSCLK==36000000)
#if (MCU_CPUCLK==MCU_SYSCLK)
	// Cpuclk high speed
	CLK_SetCpuCLK_HighSpeed();
	// CKMIx6,x8,x12
	CLK_SetCKM_x6x8x12();	
	// SysClk=36MHz CpuClk=18MHz
	CLK_SetCKCON0(IHRCO_12MHz|CPUCLK_SYSCLK_DIV_1|SYSCLK_MCKDO_DIV_1|ENABLE_CKM|CKM_OSCIN_DIV_2);
	DelayXus(100);
	// IHRCO, MCK=CKMIx6, OSCin=IHRCO
	CLK_SetCKCON2(ENABLE_IHRCO|MCK_CKMI_X4_X6|OSCIn_IHRCO);
#else
	// CKMIx6,x8,x12
	CLK_SetCKM_x6x8x12();	
	// SysClk=36MHz CpuClk=18MHz
	CLK_SetCKCON0(IHRCO_12MHz|CPUCLK_SYSCLK_DIV_2|SYSCLK_MCKDO_DIV_1|ENABLE_CKM|CKM_OSCIN_DIV_2);
	DelayXus(100);
	// IHRCO, MCK=CKMIx6, OSCin=IHRCO
	CLK_SetCKCON2(ENABLE_IHRCO|MCK_CKMI_X4_X6|OSCIn_IHRCO);
#endif
#endif


#if (MCU_SYSCLK==44236800)
	// SysClk=44.2368MHz CpuClk=22.1184MHz
	CLK_SetCKCON0(IHRCO_110592MHz|CPUCLK_SYSCLK_DIV_1|SYSCLK_MCKDO_DIV_1|ENABLE_CKM|CKM_OSCIN_DIV_2);
	DelayXus(100);
	// IHRCO, MCK=CKMIx8, OSCin=IHRCO
	CLK_SetCKCON2(ENABLE_IHRCO|MCK_CKMI_X8|OSCIn_IHRCO);
#endif

#if (MCU_SYSCLK==48000000)
	// SysClk=48MHz CpuClk=24MHz
	CLK_SetCKCON0(IHRCO_12MHz|CPUCLK_SYSCLK_DIV_2|SYSCLK_MCKDO_DIV_1|ENABLE_CKM|CKM_OSCIN_DIV_2);
	DelayXus(100);
	// IHRCO, MCK=CKMIx8, OSCin=IHRCO
	CLK_SetCKCON2(ENABLE_IHRCO|MCK_CKMI_X8|OSCIn_IHRCO);
#endif

	// P60 输出 MCK/4
	//CLK_P60OC_MCKDiv4();
}

/***********************************************************************************
*函数名称:   void InitSystem(void)
*功能描述:   系统初始化
*输入参数:   
*返回参数:     
*************************************************************************************/
void InitSystem(void)
{
	InitClock();
	InitPort();
	InitPCA_PWM();
}


void main()
{
	WordTypeDef duty;

    InitSystem();
	
	LED_G_0=0;LED_R=0;LED_G_1=0;
    DelayXms(1000);
	LED_G_0=1;LED_R=1;LED_G_1=1;

	wDuty.W=PWM_2_4;
	DutyFlag=0x00;
	while(1)
    {
    	DelayXms(200);
		LED_G_0=!LED_G_0;
		if(DutyFlag==0)
		{
			wDuty.W=wDuty.W+20;
			if(wDuty.W >= PWM_MAX)
			{
				wDuty.W = PWM_MAX;
				DutyFlag=1;
			}
		}
		else
		{
			if(wDuty.W < 21)
			{
				wDuty.W = PWM_MIN;
				DutyFlag=0;
			}
			else
			{
				wDuty.W=wDuty.W-20;
			}
		}
		duty.W=PCA_C-wDuty.W;
		// 缓冲模式下,CH2/CH3的重载值寄存器为CH3的值
		PCA_CH3_SetValue(duty.B.BHigh,duty.B.BLow);
    }
}

