#include <string.h>
#include "SWM341.h"
#include "usbh_core.h"
#include "usbh_hid_core.h"
#include "usbh_hid_mouse.h"

extern USBH_Class_cb_t USBH_HID_cb;
extern USBH_User_cb_t  USBH_USR_cb;


void SerialInit(void);


int main(void)
{	
	uint8_t button, x , y;
	
	SystemInit();
	
	SerialInit();

	USBH_Init(&USBH_HID_cb, &USBH_USR_cb);
	
	SysTick_Config(CyclesPerUs * 100);
	
	while(1==1)
	{
		if((USBH_HID_Mouse_Data.button != button) || (USBH_HID_Mouse_Data.x != x) || (USBH_HID_Mouse_Data.y != y))
		{
			button = USBH_HID_Mouse_Data.button;
			x = USBH_HID_Mouse_Data.x;
			y = USBH_HID_Mouse_Data.y;
			
			printf("%s key pressed @ (%d, %d)\r\n", button & 1 ? "left" : (button & 2 ? "right" : (button & 4 ? "middle" : "no")), x, y);
		}
	}
}


void SysTick_Handler(void)
{	
	USBH_Process();
}


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.RXThreshold = 3;
	UART_initStruct.RXThresholdIEn = 0;
	UART_initStruct.TXThreshold = 3;
	UART_initStruct.TXThresholdIEn = 0;
	UART_initStruct.TimeoutTime = 10;
	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)) __NOP();
 	
	return ch;
}