app_bluescreen_demo.c

LPC2300 MP3 Player code

#include "app_config.h"
#include <stdio.h>

extern void delay_1ms(unsigned int n);

extern volatile unsigned char time_1ms_cnt;
extern volatile unsigned char time_10ms_cnt;
extern volatile unsigned char time_100ms_cnt;
extern volatile unsigned char time_500ms_cnt;

typedef struct
{
	unsigned char on;
	long x;
	long y;
} pos_t;

#define TC_TP_NUM		5

#define CALIB_TEST_TIME	1//2

#ifdef TS_ORN_PORTRAIT
const int tc_tpx[TC_TP_NUM] = {10,65,120,175,230};
const int tc_tpy[TC_TP_NUM] = {10,85,160,235,310};
#else
const int tc_tpy[TC_TP_NUM] = {10,65,120,175,230};
const int tc_tpx[TC_TP_NUM] = {10,85,160,235,310};
#endif

const long chalfx = TS_SIZE_X/2;
const long chalfy = TS_SIZE_Y/2;	

//x = ((TCGetH() - ccx)*cm1x)/cm2x + chalfx;
long ccx;
long cm1x;
long cm2x;

//y = ((TCGetV() - ccy)*cm1y)/cm2y + chalfy;
long ccy;
long cm1y;
long cm2y;

long cal_posx(unsigned short x);
long cal_posy(unsigned short y);

unsigned char filp_horizontal = 0;
unsigned char last_pen_check = 0;
so_pos_t hpos,vpos;

pstatus_t p_stat;

#define EP_SIZE				8192
//last 128 bytes of EEPROM is used for configuration data 
#define EP_AD_CFG			EP_SIZE - 128
//below are address with EP_AD_CFG offset
#define EP_AD_CFG_STATUS	0

#define CAL_VALID_PORTRAIT	0x01
#define CAL_VALID_LANDSCAPE	0x02

#ifdef TS_ORN_PORTRAIT
#define CAL_VALID			0x01
#define TCGetH()			TCGetX()
#define TCGetV()			TCGetY()
#define EP_AD_CFG_CX		1
#define EP_AD_CFG_M1X		5
#define EP_AD_CFG_M2X		9
#define EP_AD_CFG_CY		13
#define EP_AD_CFG_M1Y		17
#define EP_AD_CFG_M2Y		21
#else
#define CAL_VALID			0x02
#define TCGetH()			TCGetY()
#define TCGetV()			TCGetX()
#define EP_AD_CFG_CX		13
#define EP_AD_CFG_M1X		17
#define EP_AD_CFG_M2X		21
#define EP_AD_CFG_CY		1
#define EP_AD_CFG_M1Y		5
#define EP_AD_CFG_M2Y		9
#endif

EmbeddedFileSystem efs;
EmbeddedFile filer, filew;
DirList list;
unsigned short e;
char current_dir[128] = "/";
char current_file_name[128];
unsigned char writing_flag = 0;
char writing_mode;

File showing_file;
unsigned char showing_flag = 0;
char showing_path[128];

unsigned char sd_inited = 0;

extern void delay_1ms(unsigned int n);
extern unsigned char mp3_buf[MP3_LOAD_SIZE];

extern volatile unsigned char time_1ms_cnt;
extern volatile unsigned char time_10ms_cnt;
extern volatile unsigned char time_100ms_cnt;
extern volatile unsigned char time_500ms_cnt;



#define TC_TP_NUM		5



//const long chalfx = TS_SIZE_X/2;
//const long chalfy = TS_SIZE_Y/2;	

//x = ((TCGetH() - ccx)*cm1x)/cm2x + chalfx;
long ccx;
long cm1x;
long cm2x;

//y = ((TCGetV() - ccy)*cm1y)/cm2y + chalfy;
long ccy;
long cm1y;
long cm2y;

long cal_posx(unsigned short x);
long cal_posy(unsigned short y);

//unsigned char filp_horizontal = 0;
//unsigned char last_pen_check = 0;
so_pos_t hpos,vpos;

pstatus_t p_stat;

#define EP_SIZE				8192
//last 128 bytes of EEPROM is used for configuration data 
#define EP_AD_CFG			EP_SIZE - 128
//below are address with EP_AD_CFG offset
#define EP_AD_CFG_STATUS	0

#define CAL_VALID_PORTRAIT	0x01
#define CAL_VALID_LANDSCAPE	0x02

#ifdef TS_ORN_PORTRAIT
#define CAL_VALID			0x01
#define TCGetH()			TCGetX()
#define TCGetV()			TCGetY()
#define EP_AD_CFG_CX		1
#define EP_AD_CFG_M1X		5
#define EP_AD_CFG_M2X		9
#define EP_AD_CFG_CY		13
#define EP_AD_CFG_M1Y		17
#define EP_AD_CFG_M2Y		21
#else
#define CAL_VALID			0x02
#define TCGetH()			TCGetY()
#define TCGetV()			TCGetX()
#define EP_AD_CFG_CX		13
#define EP_AD_CFG_M1X		17
#define EP_AD_CFG_M2X		21
#define EP_AD_CFG_CY		1
#define EP_AD_CFG_M1Y		5
#define EP_AD_CFG_M2Y		9
#endif


void AppSDInit(void)
{
	unsigned char res;

	res = efs_init( &efs, 0 );
	switch (res)
	{
		case 0 : 
			if (!sd_inited) //say only at first time
				saystr("\r\nSD card found\r\n");
			sd_inited = 1;
			break;
		case 0xFF :
			saystr("\r\nCard not found\r\n");
			sd_inited = 0;
			writing_flag = 0;
			break;
		case 0xFE :
			saystr("\r\nPlease format the card\r\n");  	
			sd_inited = 0;
			writing_flag = 0;
			break;
		default :
			saystr("\r\nUnknown error\r\n");  	
			sd_inited = 0;
			writing_flag = 0;
			break;
	}
}

void AppSDList(void)
{
	char res;

//	AppSDInit();
	SDSPIInit();
	if (!sd_inited)
	{
		return;	
	}

	if (ls_openDir(&list, &(efs.myFs) , current_dir) == 0)
	{
		res = ls_getNext(&list);
		if (res == 0)
		{
			saystr("Directory of ");
			saystr(current_dir);
			saystr("\r\n");
			while (res == 0) 
			{
				list.currentEntry.FileName[LIST_MAXLENFILENAME-1] = '\0';
				saystr((char *)list.currentEntry.FileName);
				saystr(" size : 0x");
				sayhex32(list.currentEntry.FileSize);
				saystr("bytes\r\n");
				res = ls_getNext(&list);
			}
		}
		else
		{
			 saystr("\r\nFolder is empty\r\n");
		}	
		fs_umount(&efs.myFs);
	}
	else
	{
		saystr("\r\nFolder not found\r\n");
	}
}

void AppSDChangeDir(char *new_dir)
{
	char dir_name_buf[128];
	unsigned char i = 0;
	unsigned char j = 0;

//	AppSDInit();
	SDSPIInit();
	if (!sd_inited)
	{
		return;	
	}
	
	while (current_dir[i]) //search for \0
	{
		dir_name_buf[i] = current_dir[i];
		i++;
	}

	if (i > 1) //folder in root don't need '/'
	{
		dir_name_buf[i] = '/';
		i++;
	}
	else
	{
		i = 0;
	}

	while (new_dir[j])
	{
		dir_name_buf[i] = new_dir[j];
		i++;
		j++;
	}

	dir_name_buf[i] = 0;
	i=0;

	if (ls_openDir(&list, &(efs.myFs) , dir_name_buf) == 0)
	{
		while (dir_name_buf[i])
		{
			current_dir[i] = dir_name_buf[i];
			i++;
		}
		current_dir[i] = 0;
	}
	else
	{
		saystr("\r\nFolder not found\r\n");
	}
}

void AppSDGetBack(void)
{
	unsigned char i = 0;

	while (current_dir[i]) //search for \0
	{
		i++;
	}

	if (i <= 1)
		return;

	while ((current_dir[i] != '/') && (i))
	{
		i--;
	}

	if (i > 0)
	{
		current_dir[i] = 0;
	}
	else
	{
		current_dir[0] = '/';
		current_dir[1] = 0;
	}
}

void AppSDRead(char mode,char *file_name)
{
	char path_buf[128];
	unsigned char i = 0;
	unsigned char j = 0;
	unsigned int k;
	unsigned int res;

	File file;

	unsigned char buffer[512];

	if ((mode == 'C') || (mode == 'H'))
	{
//		AppSDInit();
		SDSPIInit();
		if (!sd_inited)
		{
			return;	
		}
		
		while (current_dir[i]) //search for \0
		{
			path_buf[i] = current_dir[i];
			i++;
		}
	
		if (i > 1) //file in root don't need '/'
		{
			path_buf[i] = '/';
			i++;
		}
		else
		{
			i = 0;
		}
	
		while (file_name[j])
		{
			path_buf[i] = file_name[j];
			i++;
			j++;
		}
	
		path_buf[i] = 0;
		i=0;
	
		res = file_fopen(&file, &efs.myFs, path_buf, 'r');
		if (res == 0)
		{
			res = file_read(&file,512,buffer);
			while (res)
			{
				for (k=0;k<res;k++)
				{
					if (mode == 'C')
						saych(buffer[k]);
					else
						sayhex(buffer[k]);
					//say();
					//delay_1ms(1);
				}
				res = file_read(&file,512,buffer);
			}
			saystr("\r\n");
		}
		else
		{
			saystr("\r\nFile not found\r\n");
		}

		file_fclose(&file);
		fs_umount(&efs.myFs);
	}
	else
	{
		saystr("\r\nmode must be 'c' or 'h'\r\n");
	}
}

void AppSDMkDir(char *dir_name)
{
	char path_buf[128];
	unsigned char i = 0;
	unsigned char j = 0;
	unsigned char res;

//	AppSDInit();
	SDSPIInit();
	if (!sd_inited)
	{
		return;	
	}
	
	while (current_dir[i]) //search for \0
	{
		path_buf[i] = current_dir[i];
		i++;
	}

	if (i > 1) //folder in root don't need '/'
	{
		path_buf[i] = '/';
		i++;
	}
	else
	{
		i = 0;
	}

	while (dir_name[j])
	{
		path_buf[i] = dir_name[j];
		i++;
		j++;
	}

	path_buf[i] = 0;
	i=0;

	res = mkdir(&efs.myFs,path_buf);

	switch (res)
	{
		case 0 : 
			break;
		case 0xFF :
			saystr("\r\nDirectory already exists\r\n");
			break;
		case 0xFE :
			saystr("\r\nThe path is incorrect\r\n");
			break;
		case 0xFD :
			saystr("\r\nNo free space available\r\n");
			break;
		default :
			saystr("\r\nUnknown error\r\n");
			break;
	}

	fs_umount(&efs.myFs);
}

void AppSDOpenWrite(char mode, char *file_name)
{
	unsigned char i = 0;
	unsigned char j = 0;
	unsigned int res;

	File writing_file;

	if ((mode == 'A') || (mode == 'W'))
	{
//		AppSDInit();
		SDSPIInit();
		if (!sd_inited)
		{
			return;	
		}
		
		while (current_dir[i]) //search for \0
		{
			current_file_name[i] = current_dir[i];
			i++;
		}
	
		if (i > 1) //file in root don't need '/'
		{
			current_file_name[i] = '/';
			i++;
		}
		else
		{
			i = 0;
		}
	
		while (file_name[j])
		{
			current_file_name[i] = file_name[j];
			i++;
			j++;
		}
	
		current_file_name[i] = 0;
		writing_mode = mode;
		i = 0;

		if (mode == 'A')
		{
			res = file_fopen(&writing_file, &efs.myFs, current_file_name, 'r');
			if (res == 0)
			{
				writing_flag = 1;
			}
			else
			{
			 	saystr("\r\nFile not found\r\n");
			}
		
			file_fclose(&writing_file);
		}
		else
		{
			writing_flag = 1;
		}
		fs_umount(&efs.myFs);
	}
	else
	{
		saystr("\r\nmode must be 'a' or 'w'\r\n");
	}
}

void AppSDWrite(int len, char *data)
{
	unsigned char res;

	File writing_file;

	if (!writing_flag)
	{
		saystr("\r\nPlease use command openwrite first\r\n");
		return;	
	}

//	AppSDInit();
	SDSPIInit();
	if (!sd_inited)
	{
		return;	
	}

	if (writing_mode == 'W')
		res = file_fopen(&writing_file, &efs.myFs, current_file_name, 'w');
	else
		res = file_fopen(&writing_file, &efs.myFs, current_file_name, 'a');

	switch (res)
	{
		case 0 :
			if (file_write(&writing_file ,len ,data) != len)
			{
				saystr("\r\nCouldn't write file\r\n");	
			}
			file_fclose(&writing_file);
			break;
		case 0xFE :
			saystr("\r\nFile already exists\r\n");		
			break;
		case 0xFB :
			saystr("\r\nNo free spot found for writing\r\n");
			break;
		default :
			saystr("\r\nUnknown error\r\n");
			break;
	}

	fs_umount(&efs.myFs);
}

void AppPlay_(char *file_name)
{
	char path_buf[128];
	unsigned char i = 0;
	unsigned char j = 0;
	long l = 0;
	unsigned int res;
	//unsigned char pass = 0;

	File file;

//	AppSDInit();
	SDSPIInit();
	if (!sd_inited)
	{
		return;	
	}
	
	while (current_dir[i]) //search for \0
	{
		path_buf[i] = current_dir[i];
		i++;
	}

	if (i > 1) //file in root don't need '/'
	{
		path_buf[i] = '/';
		i++;
	}
	else
	{
		i = 0;
	}

	while (file_name[j])
	{
		path_buf[i] = file_name[j];
		i++;
		j++;
	}

	path_buf[i] = 0;
	i=0;

	res = file_fopen(&file, &efs.myFs, path_buf, 'r');
	if (res == 0)
	{
		//pass = 1;
		for (j=0;j<45;j++)
			res = file_read(&file,1024,mp3_buf);

		while (res)
		{
			SDSPIInit();
			res = file_read(&file,512,mp3_buf);

			l = 0;
			while (!Rdb(VS_DREQ_PINP,VS_DREQ_PIN));
			while (l < 512)
			{
				VSSDITransfer(16,mp3_buf+l);
				l += 16;
				while (!Rdb(VS_DREQ_PINP,VS_DREQ_PIN));
			}
		}
		file_fclose(&file);
	}
	else
	{
		saystr("\r\nFile not found\r\n");
	}

	fs_umount(&efs.myFs);

	delay_1ms(100);
}

void AppPlay(char *file_name)
{
	char path_buf[128];
	unsigned char i = 0;
	unsigned char j = 0;
	unsigned int res;

	File file;

//	AppSDInit();
	SDSPIInit();
	if (!sd_inited)
	{
		return;	
	}
	
	while (current_dir[i]) //search for \0
	{
		path_buf[i] = current_dir[i];
		i++;
	}

	if (i > 1) //file in root don't need '/'
	{
		path_buf[i] = '/';
		i++;
	}
	else
	{
		i = 0;
	}

	while (file_name[j])
	{
		path_buf[i] = file_name[j];
		i++;
		j++;
	}

	path_buf[i] = 0;
	i=0;

	res = file_fopen(&file, &efs.myFs, path_buf, 'r');
	if (res == 0)
	{
		VSAudioPlay(file_name,current_dir);
		file_fclose(&file);
	}
	else
	{
		saystr("\r\nFile not found\r\n");
	}

	fs_umount(&efs.myFs);

	delay_1ms(100);
}

void AppPlayAll(char *dir_name)
{
//	AppSDInit();
	SDSPIInit();
	if (!sd_inited)
	{
		return;	
	}
	
	if (ls_openDir(&list, &(efs.myFs) , dir_name) == 0)
	{
		VSAudioPlayAll(dir_name);
	}
	else
	{
		saystr("\r\nFolder not found\r\n");
	}
}

void AppSDShowPic2(char *file_name)