Duncan Wood
Basically i glued Peter Drescher and Simon Ford libs in a GraphicsDisplay class, then derived TFT or LCD class (which inherits Protocols class), then the most derived ones (Inits), which are per-display and are the only part needed to be adapted to diff hw.
Diff: Display/LCD.cpp
- Revision:
- 1:ff019d22b275
- Parent:
- 0:75ec1b3cde17
- Child:
- 2:713844a55c4e
--- a/Display/LCD.cpp Thu Feb 12 22:22:47 2015 +0000
+++ b/Display/LCD.cpp Fri Feb 13 15:25:10 2015 +0000
@@ -4,7 +4,8 @@
//#define LCDPAGES (LCDSIZE_Y>>3) // 8raws per page
//#define IC_PAGES (IC_Y_COMS>>3) // max pages in IC ddram, 8raws per page
#define SWAP(a, b) { a ^= b; b ^= a; a ^= b; }
-#define USEFRAMEBUFFER
+//#define USEFRAMEBUFFER
+#define NOPCMD 0xE300
//#define FRAMEBUFSIZE (LCDSIZE_X*LCDPAGES)
Protocols* proto;
@@ -16,46 +17,72 @@
// buffer = new unsigned char [LCDSIZE_X*LCDPAGES];
// PAR8 par8proto(port, CS, reset, DC, WR, RD);
if(displayproto==PAR_8) proto = new PAR8(port, CS, reset, DC, WR, RD);
+ useNOP=false;
buffer = (unsigned char*) malloc (LCDSIZE_X*LCDPAGES);
+ buffer16 = (unsigned short*)buffer;
draw_mode = NORMAL;
set_orientation(1);
// cls();
// locate(0,0);
}
-LCD::LCD(proto_t displayproto,PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC, const int lcdsize_x, const int lcdsize_y, const int ic_x_segs, const int ic_y_coms, const char *name)
+LCD::LCD(proto_t displayproto, int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC, const int lcdsize_x, const int lcdsize_y, const int ic_x_segs, const int ic_y_coms, const char *name)
: GraphicsDisplay(name), LCDSIZE_X(lcdsize_x), LCDSIZE_Y(lcdsize_y), LCDPAGES(lcdsize_y>>3), IC_X_SEGS(ic_x_segs), IC_Y_COMS(ic_y_coms), IC_PAGES(ic_y_coms>>3)
{
// LCDPAGES = LCDSIZE_Y>>3;
// IC_PAGES = IC_Y_COMS>>3;
// buffer = new unsigned char [LCDSIZE_X*LCDPAGES];
// PAR8 par8proto(port, CS, reset, DC, WR, RD);
- if(displayproto==SPI_8) proto = new SPI8(mosi, miso, sclk, CS, reset, DC);
+ if(displayproto==SPI_8)
+ {
+ proto = new SPI8(Hz, mosi, miso, sclk, CS, reset, DC);
+ useNOP=false;
+ }
+ else if(displayproto==SPI_16)
+ {
+ proto = new SPI16(Hz, mosi, miso, sclk, CS, reset, DC);
+ useNOP=true;
+ }
buffer = (unsigned char*) malloc (LCDSIZE_X*LCDPAGES);
+ buffer16 = (unsigned short*)buffer;
draw_mode = NORMAL;
// cls();
set_orientation(1);
// locate(0,0);
+
}
LCD::~LCD()
{
free(buffer);
}
-void LCD::wr_cmd(unsigned char cmd)
+void LCD::wr_cmd8(unsigned char cmd)
{
- proto->wr_cmd(cmd);
+ if(useNOP) proto->wr_cmd16(NOPCMD|cmd);
+ else proto->wr_cmd8(cmd);
}
-void LCD::wr_data8(unsigned char data8)
+void LCD::wr_data8(unsigned char data)
{
- proto->wr_data8(data8);
+ proto->wr_data8(data);
+ }
+void LCD::wr_data8(unsigned char data, unsigned int count)
+ {
+ proto->wr_data8(data, count);
}
-void LCD::wr_data8(unsigned char data8, unsigned int count)
+void LCD::wr_data8buf(unsigned char* data, unsigned int lenght)
{
- proto->wr_data8(data8, count);
+ proto->wr_data8buf(data, lenght);
+ }
+void LCD::wr_cmd16(unsigned short cmd)
+ {
+ proto->wr_cmd16(cmd);
}
-void LCD::wr_data8buf(unsigned char* data8, unsigned int lenght)
+void LCD::wr_data16(unsigned short data, unsigned int count)
{
- proto->wr_data8buf(data8, lenght);
+ proto->wr_data16(data, count);
+ }
+void LCD::wr_data16buf(unsigned short* data, unsigned int lenght)
+ {
+ proto->wr_data16buf(data, lenght);
}
void LCD::hw_reset()
{
@@ -113,34 +140,34 @@
switch (mode)
{
case(NONE):
- wr_cmd(0xA0);
- wr_cmd(0xC8); // this is in real Y mirror command, but seems most displays have COMs wired inverted, so assume this is the default no-y-mirror
+ // wr_cmd8(0xA0);
+ wr_cmd16(0xA0C8); // this is in real Y mirror command, but seems most displays have COMs wired inverted, so assume this is the default no-y-mirror
break;
case(X):
- wr_cmd(0xA1);
- wr_cmd(0xC8);
+ // wr_cmd8(0xA1);
+ wr_cmd16(0xA1C8);
break;
case(Y):
- wr_cmd(0xA0);
- wr_cmd(0xC0);
+ // wr_cmd8(0xA0);
+ wr_cmd16(0xA0C0);
break;
case(XY):
- wr_cmd(0xA1);
- wr_cmd(0xC0);
+ // wr_cmd8(0xA1);
+ wr_cmd16(0xA1C0);
break;
}
}
void LCD::invert(unsigned char o)
{
- if(o == 0) wr_cmd(0xA6);
- else wr_cmd(0xA7);
+ if(o == 0) wr_cmd8(0xA6);
+ else wr_cmd8(0xA7);
}
void LCD::set_contrast(int o)
{
contrast = o;
- wr_cmd(0x81); // set volume
- wr_cmd(o & 0x3F);
+ // wr_cmd8(0x81); // set volume
+ wr_cmd16(0x8100|(o&0x3F));
}
void LCD::set_auto_up(bool up)
{
@@ -184,8 +211,8 @@
// if(draw_mode == NORMAL)
// {
- if(color == 0) buffer[x + ((y>>3) * LCDSIZE_X)] &= ~(1 << (y&7)); // erase pixel
- else buffer[x + ((y>>3) * LCDSIZE_X)] |= (1 << (y&7)); // set pixel
+ if(color == 0) buffer[(x + ((y>>3)*LCDSIZE_X))^1] &= ~(1 << (y&7)); // erase pixel
+ else buffer[(x + ((y>>3)*LCDSIZE_X))^1] |= (1 << (y&7)); // set pixel
// }
// else
// { // XOR mode
@@ -195,23 +222,27 @@
void LCD::copy_to_lcd(void)
{
unsigned short i=0;
+ unsigned short setcolcmd = 0x0010 | ((col_offset&0xF)<<8) | (col_offset>>4);
for(int page=0; page<LCDPAGES; page++)
{
- wr_cmd((unsigned char)col_offset&0xF); // set column low nibble
- wr_cmd(0x10|(col_offset>>4)); // set column hi nibble
- wr_cmd(0xB0|(page+page_offset)); // set page
- wr_data8buf(buffer+i, LCDSIZE_X); // send whole page pixels
- i+=LCDSIZE_X;
+ // wr_cmd8(col_offset&0xF); // set column low nibble
+ // wr_cmd8(0x10|(col_offset>>4)); // set column hi nibble
+ wr_cmd16(setcolcmd);
+ wr_cmd8(0xB0|(page+page_offset)); // set page
+ wr_data16buf(buffer16+i, LCDSIZE_X>>1); // send whole page pixels
+ i+=LCDSIZE_X>>1;
}
}
void LCD::cls(void)
{
memset(buffer,0x00,LCDSIZE_X*LCDPAGES); // clear display buffer
+ unsigned short setcolcmd = 0x0010 | ((col_offset&0xF)<<8) | (col_offset>>4);
for(int page=0; page<LCDPAGES; page++)
{
- wr_cmd((unsigned char)col_offset&0xF); // set column low nibble
- wr_cmd(0x10|(col_offset>>4)); // set column hi nibble
- wr_cmd(0xB0|(page+page_offset)); // set page
- wr_data8(0, LCDSIZE_X); // send whole page pixels =0
+ // wr_cmd8((unsigned char)col_offset&0xF); // set column low nibble
+ // wr_cmd8(0x10|(col_offset>>4)); // set column hi nibble
+ wr_cmd16(setcolcmd);
+ wr_cmd8(0xB0|(page+page_offset)); // set page
+ wr_data16(0, LCDSIZE_X>>1); // send whole page pixels =0
}
}
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