///*********************************************************************
//    Project:MG82F6D17-DEMO
//    Author:LZD
//			MG82F6D17 SSOP20_V10 EV Board (TH194A)
//			CpuCLK=32MHz, SysCLK=32MHz
//	Description:
//			ADC conversion is triggered with a PCA0 overflow, and the ADC value is sent to XRAM by DMA
//	Note:
//
//    Creat time::
//    Modify::
//    
//*********************************************************************/
#define _MAIN_C

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

#include <Stdio.h>  // for printf

#include ".\include\REG_MG82F6D17.H"
#include ".\include\Type.h"
#include ".\include\API_Macro_MG82F6D17.H"
#include ".\include\API_Uart_BRGRL_MG82F6D17.H"


///*************************************************
//Set SysClk (MAX.50MHz) (MAX.50MHz)
//Selection: 
//	11059200,12000000,
//	22118400,24000000,
//	29491200,32000000,
//	44236800,48000000
//*************************************************/
#define MCU_SYSCLK		32000000
/*************************************************/
///*************************************************
//Set  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		P33
//#define LED_R			P34
//#define LED_G_1		P35
#define IO_TEST			P16

#define PWM_MIN			(0*4)
#define PWM_MAX			(1024*4)
#define PWM_3_4			(768*4)
#define PWM_2_4			(512*4)
#define PWM_1_4			(256*4)
#define PWM_LOW			(62*4)
#define PWM_HINT		(64*4)

#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)         


#define TEST_ADC_DATA_CNT		16


xdata WordTypeDef TestBuf[TEST_ADC_DATA_CNT];
u8 TestBufLen;
xdata WordTypeDef ADCBuf[TEST_ADC_DATA_CNT];
u8 ADCBufLen;

u8 ChannelInx;

bit bAdcDMAFlag;

///***********************************************************************************
//Function:		void SendByte(u8 tByte)
//Description:	send byte
//Input:			u8 tByte: the data to be send
//Output:     
//*************************************************************************************/
void SendByte(BYTE tByte)
{
	bit bES0;
	bES0=ES0;
	ES0=0;
	S0BUF=tByte;
	while(TI0==0);
	TI0=0;
	ES0=bES0;
}

///***********************************************************************************
//Function:		void SendStr(BYTE* PStr)
//Description:	send string
//Input: 			u8* PStr:the string to be send
//Output:     
//*************************************************************************************/
void SendStr(BYTE* PStr)
{
	while(*PStr != 0)
	{
		SendByte(*PStr);
		PStr ++;
	}
}

///***********************************************************************************
//Function:   	void SendHex(u8 ToSend)
//Description:	send data for HEX
//Input: 			u8 ToSend: the data to be send
//Output:     
//*************************************************************************************/
void SendHex(BYTE ToSend)
{
	BYTE x;
	x = ToSend >> 4;
	if(x < 10)
	{
		SendByte('0'+x);
	}
	else
	{
		SendByte('A'-10+x);
	}
	x= ToSend&0x0F;
	if(x < 10)
	{
		SendByte('0'+x);
	}
	else
	{
		SendByte('A'-10+x);
	}
}

///***********************************************************************************
//Function:   void INT_DMA(void)
//Description:DMA Interrupt handler
//		 
//Input:   
//Output:     
//*************************************************************************************/
void INT_DMA(void) interrupt INT_VECTOR_DMA
{
	u8 i;
	_push_(SFRPI);
	SFRPI=0;
	IO_TEST=!IO_TEST;
	bAdcDMAFlag=TRUE;
	DMACR0=DMACR0&(~DCF0);		// clear flag
	for(i=0;i<(TEST_ADC_DATA_CNT);i++)
	{
		ADCBuf[i].B.BHigh=TestBuf[i].B.BLow;
		ADCBuf[i].B.BLow=TestBuf[i].B.BHigh;
	}
	_pop_(SFRPI);
}


///*************************************************
//Function:     	void DelayXus(u16 xUs)
//Description:   	dealy, unit:us
//Input:     		u8 Us -> *1us  (1~255)
//Output:     
//*************************************************/
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--;
	}
}

///*************************************************
//Function:     	void DelayXms(u16 xMs)
//Description:    dealy, unit:ms
//Input:     		u16 xMs -> *1ms  (1~65535)
//Output:     
//*************************************************/
void DelayXms(u16 xMs)
{
	while(xMs!=0)
	{
		CLRWDT();
		DelayXus(200);
		DelayXus(200);
		DelayXus(200);
		DelayXus(200);
		DelayXus(200);
		xMs--;
		
	}
}

///***********************************************************************************
//Function:   	void InitUart0_S0BRG()
//Description:	Initialize Uart0, The source of baud rate was S0BRG
//Input:   
//Output:   		
//*************************************************************************************/
void InitUart0_S0BRG(void)
{
	UART0_SetAccess_S0CR1();			// Enable access S0CR1 
	UART0_SetMode8bitUARTVar();			// UART0 Mode: 8-bit, Variable B.R.
	UART0_EnReception();				// Enable reception
	UART0_SetBRGFromS0BRG();			// B.R. source: S0BRG
	UART0_SetS0BRGBaudRateX2();			// S0BRG x2
	UART0_SetS0BRGSelSYSCLK();			// S0BRG clock source: SYSCLK

	// Sets B.R. value
	UART0_SetS0BRGValue(S0BRG_BRGRL_115200_2X_32000000_1T);

	UART0_EnS0BRG();					// Enable S0BRG
}


///***********************************************************************************
//Function:   	void InitPort()
//Description:	Initialize IO Port
//Input:   
//Output:   		
//*************************************************************************************/
void InitPort(void)
{
	PORT_SetP1AInputOnly(BIT0|BIT1|BIT5);			// Set P10(AIN0),P11(AIN1),P15(AIN5) as Analog-Input-Only for ADC input
	PORT_SetP1PushPull(BIT6|BIT7);					// Set P17(CEX4) as Push-Pull for PWM output
	PORT_SetP2PushPull(BIT2|BIT4);					// Set P22(CEX0),P24(CEX2) as Push-Pull for PWM output
	PORT_SetP3PushPull(BIT3|BIT4|BIT5);				// Set P33(CEX1),P34(CEX3),P35(CEX5) as Push-Pull for PWM output
}

///***********************************************************************************
//Function:   	void InitPCA_PWM(void)
//Description:   	Initialize PCA for PWM
//		PCA clock: 96MHz
//		CH0(P22)/CH1(P33),CH2(P24)/CH3(P34),CH4(P17)/CH5(P35)
//		3 pairs of complementary,dead-time,central-aligned
//		PWM Freq: 96MHz/(1024*4*2)=11.718KHz
//Input:   
//Output:     
//*************************************************************************************/
void InitPCA_PWM(void)
{
	PCA_SetCLOCK_CKMIX16();				// PCA clock 96MHz
	
	PCA_CH0_SetMode_PWM();
	PCA_CH1_SetMode_PWM();
	PCA_CH2_SetMode_PWM();
	PCA_CH3_SetMode_PWM();
	PCA_CH4_SetMode_PWM();
	PCA_CH5_SetMode_PWM();

	PCA_CH0_SetPWM_16Bit();
	PCA_CH1_SetPWM_16Bit();
	PCA_CH2_SetPWM_16Bit();
	PCA_CH3_SetPWM_16Bit();
	PCA_CH4_SetPWM_16Bit();
	PCA_CH5_SetPWM_16Bit();

	PCA_CH01_SetPWM_EnBufferMode();		// CH0,CH1 Enable Buffer mode
	PCA_CH23_SetPWM_EnBufferMode();		// CH2,CH3 Enable Buffer mode
	PCA_CH45_SetPWM_EnBufferMode();		// CH4,CH5 Enable Buffer mode
	PCA_CH01_SetPWM_EnDeadTime();		// CH0,CH1 Enable Dead-Time
	PCA_CH23_SetPWM_EnDeadTime();		// CH2,CH3 Enable Dead-Time
	PCA_CH45_SetPWM_EnDeadTime();		// CH2,CH3 Enable Dead-Time

	PCA_SetPWM_CenterAligned();			// Central Aligned
	PCA_SetCenterAligned_EnVar();		// Variable Resolution
	PCA_SetCenterAligned_CFonBottom();	// CF on bottom of PWM cycle

	PCA_SetDeadTimePreScaler_SysclkDiv8();	// pre-scaler SysClk/8
	PCA_SetDeadTimePeriod(4);				// period 4*(1/PreScaler)=4*(1/(Sysclk/8))=32/Sysclk

	// Set PWM duty
	PCA_CH0_SetValue(PCA_CH(PWM_MIN),PCA_CL(PWM_MIN));
	PCA_CH1_SetValue(PCA_CH(PWM_MIN),PCA_CL(PWM_MIN));
	PCA_CH2_SetValue(PCA_CH(PWM_MIN),PCA_CL(PWM_MIN));
	PCA_CH3_SetValue(PCA_CH(PWM_MIN),PCA_CL(PWM_MIN));
	PCA_CH4_SetValue(PCA_CH(PWM_MIN),PCA_CL(PWM_MIN));
	PCA_CH5_SetValue(PCA_CH(PWM_MIN),PCA_CL(PWM_MIN));

	// Set PWM freq
	PCA_SetCounter(PCA_C-PCA_RELOAD);
	PCA_SetCounterReload(PCA_C-PCA_RELOAD);

	// Enable PWM output
	PCA_SetPWM0_EnOutput();					
	PCA_SetPWM1_EnOutput();
	PCA_SetPWM2_EnOutput();
	PCA_SetPWM3_EnOutput();
	PCA_SetPWM4_EnOutput();
	PCA_SetPWM5_EnOutput();

	PCA_SetCEX0CEX2CEX4_P22P24P17();	// Set CEX0:P22,CEX2:P24,CEX4:P17
	PCA_CF_DisInterrupt();				// Disable PCA CF interrupt
	
	PCA_EnPCACounter();					// Enable PCA counter
		
}


///***********************************************************************************
//Function:   	void InitADC(void)
//Description:   	Initialize ADC
//Input:   
//Output:     
//*************************************************************************************/
void InitADC(void)
{
	ADC_Enable();									// Enable ADC
	ADC_SetClock_SYSCLKDiv16();						// AADC Clock = SYSCLK/16       sps= 32M/16/30=66.7K
	ADC_SetMode_PCA0Overflow();						// AADC Trigger mode:  PCA0 overflow
	ADC_SetADCData_12Bit();							// ADC Data resolution: 12bit			
	ADC_SetRightJustified();						// ADC Right-Justified
	ADC_SetChannel_AIN0();							// ADC set channel 0
	ChannelInx=0;
}

///***********************************************************************************
//Function:   void InitDMA_ADC0_TO_XRAM(void)
//Description: Initialize DMA, ADC0->XRAM
//Input:   
//Output:     
//*************************************************************************************/
void InitDMA_ADC0_TO_XRAM()
{
	DMA_SetSource_ADC0();									// Set source is ADC0
	DMA_SetDestination_XRAM();								// Set destination is XRAM
	DMA_SetXRAMStartaddr((u16)(&TestBuf[0].BUF[0]));		// Set XRAM start address 
	DMA_SetXRAMStartaddrRL((u16)(&TestBuf[0].BUF[0]));		// Set XRAM reload start address
	DMA_SetCount(65536-(TEST_ADC_DATA_CNT*2));				// Set counter
	DMA_SetCountRL(65536-(TEST_ADC_DATA_CNT*2));			// Set counter reload
	DMA_SetTrig_Software();									// Set trigger mode
	DMA_EnDCF0Int();										// Enable DCF0 interrupt
	DMA_EnLoop();											// Enable loop mode
	DMA_Enable();											// Enable DMA
}

///***********************************************************************************
//Function:   	void InitInterrupt()
//Description:	Initialize Interrupt
//Input:   
//Output:   		
//*************************************************************************************/
void InitInterrupt(void)
{
	INT_EnDMA();						// Enable DMA interrrupt
	
}	

///***********************************************************************************
//Function:   	void InitClock()
//Description:	Initialize clock
//Input:   
//Output:   		
//*************************************************************************************/
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 Output MCK/4
	//CLK_P60OC_MCKDiv4();
}



///***********************************************************************************
//Function:       void InitSystem(void)
//Description:    Initialize MCU
//Input:   
//Output:     
//*************************************************************************************/
void InitSystem(void)
{
	InitPort();
	InitClock();
	InitUart0_S0BRG();
	InitADC();
	InitPCA_PWM();
	InitDMA_ADC0_TO_XRAM();
	InitInterrupt();

	INT_EnAll();
}


void main()
{
	u8 i;
	WordTypeDef wTemp;
    InitSystem();
	
	DMA_Start();
	ADC_SoftStart();
	
    while(1)
    {
		if(bAdcDMAFlag)
		{
			bAdcDMAFlag=0;
			SendStr("\nADC:");
			wTemp.W=0;
			for(i=0;i<(TEST_ADC_DATA_CNT);i++)
			{
				wTemp.W=wTemp.W+ADCBuf[i].W;
			}
			wTemp.W=wTemp.W>>4;;
			SendHex(wTemp.B.BHigh);
			SendHex(wTemp.B.BLow);
		}

    }
}


