#include "SWM341.h"

void SerialInit(void);
void TestSignal(void);

int main(void)
{	
	SystemInit();
	
	SerialInit();
	
	TestSignal();	//产生测试信号供Input Capture功能测量
	
	PORT_Init(PORTB, PIN15, PORTB_PIN15_TIMR0_IN, 1);
	
	TIMR_Init(TIMR0, TIMR_MODE_IC, CyclesPerUs, 0xFFFFFF, 0);
	
	TIMR_IC_Init(TIMR0, 1, 1);
	
	TIMR_Start(TIMR0);
	
	while(1==1)
	{
	}
}


void TIMR0_Handler(void)
{
	if(TIMR_IC_CaptureH_INTStat(TIMR0))
	{
		TIMR_IC_CaptureH_INTClr(TIMR0);
		
		printf("H: %d\r\n", TIMR_IC_GetCaptureH(TIMR0));
	}
	else if(TIMR_IC_CaptureL_INTStat(TIMR0))
	{
		TIMR_IC_CaptureL_INTClr(TIMR0);
		
		printf("L: %d\r\n", TIMR_IC_GetCaptureL(TIMR0));
	}
}


void TestSignal(void)
{
	PORT_Init(PORTB, PIN13, PORTB_PIN13_TIMR2_OUT, 0);
	
	TIMR_Init(TIMR2, TIMR_MODE_OC, CyclesPerUs, 100000, 0);		//周期100ms
	
	TIMR_OC_Init(TIMR2, 75000, 0, 1);							//占空比75%
	
	TIMR_Start(TIMR2);
}


void SerialInit(void)
{
	UART_InitStructure UART_initStruct;
	
	PORT_Init(PORTM, PIN0, PORTM_PIN0_UART0_RX, 1);	//GPIOM.0配置为UART0输入引脚
 	PORT_Init(PORTM, PIN1, PORTM_PIN1_UART0_TX, 0);	//GPIOM.1配置为UART0输出引脚
 	
 	UART_initStruct.Baudrate = 57600;
	UART_initStruct.DataBits = UART_DATA_8BIT;
	UART_initStruct.Parity = UART_PARITY_NONE;
	UART_initStruct.StopBits = UART_STOP_1BIT;
	UART_initStruct.RXThresholdIEn = 0;
	UART_initStruct.TXThresholdIEn = 0;
	UART_initStruct.TimeoutIEn = 0;
 	UART_Init(UART0, &UART_initStruct);
	UART_Open(UART0);
}


/****************************************************************************************************************************************** 
* 函数名称: fputc()
* 功能说明: printf()使用此函数完成实际的串口打印动作
* 输    入: int ch		要打印的字符
*			FILE *f		文件句柄
* 输    出: 无
* 注意事项: 无
******************************************************************************************************************************************/
int fputc(int ch, FILE *f)
{
	UART_WriteByte(UART0, ch);
	
	while(UART_IsTXBusy(UART0));
 	
	return ch;
}