main.c

此文件是一个源程序代码

//----------------------------------------------------------------------------
// C main line
// Project to measure sensitivity on each switch
// Output 3 switches timer data counts to LCD
//----------------------------------------------------------------------------

#include <m8c.h>        // part specific constants and macros
#include "PSoCAPI.h"    // PSoC API definitions for all User Modules



int baseline0 = 0;
int baseline1 = 0;
int position = 0;
int buttonselect = 0;
void main()
{
	CSR_1_Start(); //Start the User modules
	LCD_1_Start();
	M8C_EnableGInt; //Enable global interrupts
	CSR_1_SetDacCurrent(0x80,0); //Set the DAC current to low range and 80h
	CSR_1_SetScanSpeed(80); // Set the scan speed to 80
	CSR_1_StartScan(0,11,1); // Scan 8 switches; starting switch 0; continously
	LCD_1_Position(00,01);
	LCD_1_PrCString("PSoC CapSence  ");
	LCD_1_Position(01,06);
	LCD_1_PrCString("PTCC       ");
		
	while(1) //Stay in this loop forever
	{
		//LCD_1_Position(00,00); 	//Set LCD position to row 0 and column 0
		while(!(CSR_1_GetScanStatus() & CSR_1_SCAN_SET_COMPLETE));	//Is scan complete?
		baseline0 =CSR_1_bUpdateBaseline(0);
		baseline1 =CSR_1_bUpdateBaseline(1);
		//This function returns a '1' if there was a finger present on any of the switches
		
		if (baseline0) // If a finger is detected,
		{
				LCD_1_Position(00,00);
				if (CSR_1_iaSwDiff[0] > 8) // Was it switch number 0?
					{
						//LCD_1_PrHexByte(1); //Display '1'
						LCD_1_PrCString("-    Channel   +");
						//LCD_1_PrHexInt(CSR_1_iaSwDiff[0]);
						buttonselect = 23;
					}
				else if (CSR_1_iaSwDiff[1] > 8) // Was it switch number 1?
					{
						//LCD_1_PrHexByte(2); //Display '2'
						LCD_1_PrCString("-    Volume    +");
						//LCD_1_PrHexInt(CSR_1_iaSwDiff[1]);
						buttonselect = 25;
					}
				else if (CSR_1_iaSwDiff[2] > 8) // Was it switch number 2?
					{
						//LCD_1_PrHexByte(3); //Display '3'
						LCD_1_PrCString("-    Bright    +");
						//LCD_1_PrHexInt(CSR_1_iaSwDiff[2]);
						buttonselect = 27;
					}		
				else 
					{
//						LCD_1_PrCString("None         ");
					}			
		}	
		
		
		if (baseline1 & buttonselect) // If a finger is detected,
		{		
		
//			LCD_1_Position(01,00);

			
			position = CSR_1_bGetCentroidPos(1); //Get finger position
			if (position!= 0xff) //Error condition check
			{
				LCD_1_Position(01,14);
				LCD_1_PrHexByte(position); //Display the finger position
				LCD_1_InitBG(LCD_1_SOLID_BG);
				LCD_1_DrawBG(01,00,14,position);
			}
		}
	} // End of normal operation loop
} // End of main



/*int baseline_switches = 0;
void main()
{
	int ncount;
	CSR_1_Start();
	LCD_1_Start(); // Start the User modules
	M8C_EnableGInt; // Enable global interrupts
	CSR_1_SetDacCurrent(0x80,0); //Sets DAC current to low range value 80h
	CSR_1_SetScanSpeed(80); // Sets the scan speed to 80
	CSR_1_StartScan(0,3,1); // Scan 7 switches starting from switch 0
	
	while(1)
	{
		LCD_1_Position(00,00); //Sets LCD position to row 0 and column 0
		while(!(CSR_1_GetScanStatus() & CSR_1_SCAN_SET_COMPLETE));	// Are scans complete?
		baseline_switches = CSR_1_bUpdateBaseline(0);	
		//This funtion returns a '1' if any switches are depressed.
		
		if (baseline_switches ) // If a switch is pressed,
			{
				if (CSR_1_iaSwDiff[0] > 8) // Was it switch number 0?
					{
						LCD_1_PrHexInt(0); //Display '0'
					}
				else if (CSR_1_iaSwDiff[1] > 8) // Was it switch number 1?
					{
						LCD_1_PrHexInt(1); //Display '1'
					}
				else if (CSR_1_iaSwDiff[2] > 8) // Was it switch number 2?
					{
						LCD_1_PrHexInt(2); //Display '2'
					}		
				else 
					{
						LCD_1_PrCString("None");
					}
			}
		
	} // End of normal operation loop
} // End of main
*/