Implement version information storage and retrieval for the bootrom and the osimage.

[proxmark3-svn] / armsrc / LCD.c

#include <proxmark3.h>\r
#include "apps.h"\r
#include "LCD.h"\r
\r
void LCDSend(unsigned int data)\r
{\r
	// 9th bit set for data, clear for command\r
	while ((SPI_STATUS & SPI_STATUS_TX_EMPTY) == 0);	// wait for the transfer to complete\r
	// For clarity's sake we pass data with 9th bit clear and commands with 9th\r
	// bit set since they're implemented as defines, se we need to invert bit\r
	SPI_TX_DATA = data^0x100;							// Send the data/command\r
}\r
\r
void LCDSetXY(unsigned char x, unsigned char y)\r
{\r
	LCDSend(PPASET);			// page start/end ram\r
	LCDSend(y);					// Start Page to display to\r
	LCDSend(131);				// End Page to display to\r
\r
	LCDSend(PCASET);			// column start/end ram\r
	LCDSend(x);					// Start Column to display to\r
	LCDSend(131);				// End Column to display to\r
}\r
\r
void LCDSetPixel(unsigned char x, unsigned char y, unsigned char color)\r
{\r
	LCDSetXY(x,y);				// Set position\r
	LCDSend(PRAMWR);			// Now write the pixel to the display\r
	LCDSend(color);				// Write the data in the specified Color\r
}\r
\r
void LCDFill (unsigned char xs,unsigned char ys,unsigned char width,unsigned char height, unsigned char color)\r
{\r
    unsigned char i,j;\r
\r
    for (i=0;i < height;i++)	// Number of horizontal lines\r
    {\r
		LCDSetXY(xs,ys+i);		// Goto start of fill area (Top Left)\r
		LCDSend(PRAMWR);		// Write to display\r
\r
		for (j=0;j < width;j++)	// pixels per line\r
			LCDSend(color);\r
    }\r
}\r
\r
void LCDString (char *lcd_string, const char *font_style,unsigned char x, unsigned char y, unsigned char fcolor, unsigned char bcolor)\r
{\r
	unsigned int  i;\r
	unsigned char mask=0, px, py, xme, yme, offset;\r
	const char *data;\r
\r
	data = font_style;			// point to the start of the font table\r
\r
	xme = *data;				// get font x width\r
	data++;\r
	yme = *data;				// get font y length\r
	data++;\r
	offset = *data;				// get data bytes per font\r
\r
	do\r
	{\r
		// point to data in table to be loaded\r
		data =  (font_style + offset) + (offset * (int)(*lcd_string - 32));\r
\r
		for (i=0;i < yme;i++) {\r
			mask |=0x80;\r
\r
			for (px=x; px < (x + xme); px++) {\r
				py= y + i;\r
\r
				if (*data & mask)	LCDSetPixel (px,py,fcolor);\r
				else				LCDSetPixel (px,py,bcolor);\r
\r
				mask>>=1;\r
			}\r
			data++;\r
		}\r
		x+=xme;\r
\r
		lcd_string++;						// next character in string\r
\r
	} while(*lcd_string !='\0');			// keep spitting chars out until end of string\r
}\r
\r
void LCDReset(void)\r
{\r
	LED_A_ON();\r
	SetupSpi(SPI_LCD_MODE);\r
	LCD_RESET_LOW();\r
	SpinDelay(100);\r
\r
	LCD_RESET_HIGH();\r
	SpinDelay(100);\r
	LED_A_OFF();\r
}\r
\r
void LCDInit(void)\r
{\r
	int i;\r
\r
	LCDReset();\r
\r
	LCDSend(PSWRESET);			// software reset\r
	SpinDelay(100);\r
	LCDSend(PSLEEPOUT);			// exit sleep mode\r
	LCDSend(PBSTRON);			// booster on\r
	LCDSend(PDISPON);			// display on\r
	LCDSend(PNORON);			// normal on\r
	LCDSend(PMADCTL);			// rotate display 180 deg\r
	LCDSend(0xC0);\r
\r
	LCDSend(PCOLMOD);			// color mode\r
	LCDSend(0x02);				// 8bpp color mode\r
\r
    LCDSend(PSETCON);			// set contrast\r
    LCDSend(0xDC);\r
    \r
	// clear display\r
    LCDSetXY(0,0);\r
	LCDSend(PRAMWR);			// Write to display\r
	i=LCD_XRES*LCD_YRES;\r
	while(i--) LCDSend(WHITE);\r
}\r