--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/unigraphic/SSD1322.cpp Tue Sep 20 23:50:45 2016 +0200
@@ -0,0 +1,472 @@
+/* mbed UniGraphic library - Device specific class
+ * Copyright (c) 2015 Peter Drescher
+ * Released under the MIT License: http://mbed.org/license/mit
+ */
+
+#include "platform.h"
+#include "SSD1322.h"
+
+//////////////////////////////////////////////////////////////////////////////////
+// display settings ///////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////
+
+#define IC_X_SEGS 480 // SSD1322 SEG has range 0-479 (479-0 if MX=1), check your datasheet, important for the orientation
+#define IC_Y_COMS 128 // SSD1322 COM has range 0-127 (127-0 if MY=1), check your datasheet, important for the orientation
+#define BPP 4 // SSD1322 has 16 gray levels
+
+#define SSD1322_CMD_ENABLE_GRAY_SCALE_TABLE 0x00
+#define SSD1322_CMD_SET_COLUMN_ADDR 0x15
+#define SSD1322_CMD_WRITE_RAM 0x5C
+#define SSD1322_CMD_READ_RAM 0x5D
+#define SSD1322_CMD_SET_ROW_ADDR 0x75
+#define SSD1322_CMD_SET_REMAP 0xA0
+#define SSD1322_CMD_SET_DISPLAY_START_LINE 0xA1
+#define SSD1322_CMD_SET_DISPLAY_OFFSET 0xA2
+#define SSD1322_CMD_SET_DISPLAY_MODE_OFF 0xA4
+#define SSD1322_CMD_SET_DISPLAY_MODE_ON 0xA5
+#define SSD1322_CMD_SET_DISPLAY_MODE_NORMAL 0xA6
+#define SSD1322_CMD_SET_DISPLAY_MODE_INVERSE 0xA7
+#define SSD1322_CMD_ENABLE_PARTIAL_DISPLAY 0xA8
+#define SSD1322_CMD_EXIT_PARTIAL_DISPLAY 0xA9
+#define SSD1322_CMD_SET_FUNCTION_SELECTION 0xAB
+#define SSD1322_CMD_SET_DISPLAY_OFF 0xAE
+#define SSD1322_CMD_SET_DISPLAY_ON 0xAF
+#define SSD1322_CMD_SET_PHASE_LENGTH 0xB1
+#define SSD1322_CMD_SET_CLOCK_DIVIDER 0xB3
+#define SSD1322_CMD_DISPLAY_ENHANCEMENT 0xB4
+#define SSD1322_CMD_SET_GPIO 0xB5
+#define SSD1322_CMD_SET_SECOND_PRECHARGE_PERIOD 0xB6
+#define SSD1322_CMD_SET_GRAY_SCALE_TABLE 0xB8
+#define SSD1322_CMD_SET_DEFAULT_LINEAR_GRAY_SCALE_TABLE 0xB9
+#define SSD1322_CMD_SET_PRECHARGE_VOLTAGE 0xBB
+#define SSD1322_CMD_SET_VCOMH_VOLTAGE 0xBE
+#define SSD1322_CMD_SET_CONTRAST_CURRENT 0xC1
+#define SSD1322_CMD_MASTER_CURRENT_CONTROL 0xC7
+#define SSD1322_CMD_SET_MULTIPLEX_RATIO 0xCA
+#define SSD1322_CMD_DISPLAY_ENHANCEMENT_B 0xD1
+#define SSD1322_CMD_SET_COMMAND_LOCK 0xFD
+
+// set for some OLED displays
+//#define ALTERNATE_OLED_VERSION
+
+
+static const uint8_t oledInit[] = {
+ SSD1322_CMD_SET_COMMAND_LOCK, 1, 0x12, /* Unlock OLED driver IC*/
+ SSD1322_CMD_SET_DISPLAY_OFF, 0,
+ SSD1322_CMD_SET_CLOCK_DIVIDER, 1, 0x91,
+ SSD1322_CMD_SET_MULTIPLEX_RATIO, 1, 0x3F, /*duty = 1/64*,64 COMS are enabled*/
+ SSD1322_CMD_SET_DISPLAY_OFFSET, 1, 0x00,
+ SSD1322_CMD_SET_DISPLAY_START_LINE, 1, 0x00, /*set start line position*/
+ SSD1322_CMD_SET_REMAP, 2, 0x14, // Horizontal address increment,
+ // Disable Column Address Re-map,
+ // Enable Nibble Re-map,Scan from COM[N-1] to COM0,
+ // Disable COM Split Odd Even
+ 0x11, // Enable Dual COM mode
+ SSD1322_CMD_SET_GPIO, 1, 0x00,
+ SSD1322_CMD_SET_FUNCTION_SELECTION, 1, 0x01, /* selection external VDD */
+ SSD1322_CMD_DISPLAY_ENHANCEMENT, 2, 0xA0, /* enables the external VSL*/
+ 0xfd, /* 0xfd,Enhanced low GS display quality;default is 0xb5(normal),*/
+ SSD1322_CMD_SET_CONTRAST_CURRENT, 1, 0xff, /* default is 0x7f*/
+ SSD1322_CMD_MASTER_CURRENT_CONTROL, 1, 0x0f,
+ /* writeCommand(0xB9); GRAY TABLE,linear Gray Scale*/
+ SSD1322_CMD_SET_PHASE_LENGTH, 1, 0xE2, /*default is 0x74*/
+ SSD1322_CMD_DISPLAY_ENHANCEMENT_B, 2, 0x82, 0x20,
+#ifdef ALTERNATE_OLED_VERSION
+ SSD1322_CMD_SET_PRECHARGE_VOLTAGE, 1, 0x08, /* 0.3xVcc */
+ SSD1322_CMD_SET_SECOND_PRECHARGE_PERIOD, 1, 0x0F, /* 15 clocks */
+#else
+ SSD1322_CMD_SET_PRECHARGE_VOLTAGE, 1, 0x1F, /* 0.6xVcc */
+ SSD1322_CMD_SET_SECOND_PRECHARGE_PERIOD, 1, 0x08, /* default */
+#endif
+ SSD1322_CMD_SET_VCOMH_VOLTAGE, 1, 0x07, /*0.86xVcc;default is 0x04*/
+ SSD1322_CMD_SET_DISPLAY_MODE_NORMAL, 0,
+ SSD1322_CMD_SET_DISPLAY_ON, 0
+};
+
+
+////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////
+
+
+//#include "mbed_debug.h"
+
+#define SWAP(a, b) { a ^= b; b ^= a; a ^= b; }
+
+
+SSD1322::SSD1322(proto_t displayproto,
+ int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC,
+ const char *name,
+ const unsigned int lcdsize_x, const unsigned int lcdsize_y)
+ : GraphicsDisplay(name),
+ screensize_X(lcdsize_x), screensize_Y(lcdsize_y),
+ _BPP(BPP), _PAGES(lcdsize_y/8*BPP),
+ _IC_X_SEGS(IC_X_SEGS), _IC_Y_COMS(IC_Y_COMS), _IC_PAGES(IC_Y_COMS/8*BPP)
+{
+ proto = new SPI8(Hz, mosi, miso, sclk, CS, reset, DC);
+ buffer = (unsigned char*) malloc (screensize_X*_PAGES);
+ set_auto_up(false);
+ foreground(0xFFFF);
+ background(0x0000);
+ hw_reset();
+ bus_enable(true);
+ init();
+ set_orientation(1);
+ cls();
+ locate(0,0);
+}
+
+SSD1322::~SSD1322()
+{
+ free(buffer);
+}
+
+void SSD1322::wr_cmd8(unsigned char cmd)
+{
+ proto->wr_cmd8(cmd);
+}
+
+void SSD1322::wr_data8(unsigned char data)
+{
+ proto->wr_data8(data);
+}
+
+void SSD1322::wr_cmd16(unsigned short cmd)
+{
+ proto->wr_cmd16(cmd);
+}
+
+void SSD1322::wr_gram(unsigned short data, unsigned int count)
+{
+ proto->wr_gram(data, count);
+}
+
+void SSD1322::wr_grambuf(unsigned short* data, unsigned int lenght)
+{
+ proto->wr_grambuf(data, lenght);
+}
+
+void SSD1322::hw_reset()
+{
+ proto->hw_reset();
+}
+
+void SSD1322::bus_enable(bool enable)
+{
+ proto->BusEnable(enable);
+}
+
+
+
+// monochrome SSD1322 driver ICs does not have ram rotate in hw (swap raw<->columns) like TFT displays
+// for portrait views, XY swap will be done in sw in pixel() function
+void SSD1322::set_orientation(int o)
+{
+ orientation = o;
+ if (o & 0x01) {
+ set_width(screensize_X);
+ set_height(screensize_Y);
+ } else {
+ set_width(screensize_Y);
+ set_height(screensize_X);
+ }
+ switch (o) {
+ case (0):// portrait view -90°
+ mirrorXY(Y);
+ break;
+ case (1): // default, landscape view 0°
+ mirrorXY(NONE);
+ break;
+ case (2):// portrait view +90°
+ mirrorXY(X);
+ break;
+ case (3):// landscape view +180°
+ mirrorXY(XY);
+ break;
+ }
+}
+
+void SSD1322::mirrorXY(mirror_t mode)
+{
+ // Horizontal address increment,
+ // Disable Column Address Re-map,
+ // Enable Nibble Re-map,Scan from COM[N-1] to COM0,
+ // Disable COM Split Odd Even
+ // Enable Dual COM mode
+ unsigned char d;
+ switch (mode)
+ {
+ case(NONE):
+ d = 0x14;
+ break;
+ case(X):
+ d = 0x10;
+ break;
+ case(Y):
+ d = 0x16;
+ break;
+ case(XY):
+ d = 0x12;
+ break;
+ }
+ wr_cmd8(SSD1322_CMD_SET_REMAP);
+ wr_data8(d);
+ wr_data8(0x11);
+}
+
+void SSD1322::invert(unsigned char o)
+{
+ if(o == 0) wr_cmd8(0xA6);
+ else wr_cmd8(0xA7);
+}
+
+void SSD1322::set_contrast(int o)
+{
+ contrast = o;
+
+ wr_cmd8(SSD1322_CMD_SET_CONTRAST_CURRENT);
+ wr_data8(o&0xFF);
+}
+
+int SSD1322::get_contrast(void)
+{
+ return(contrast);
+}
+void SSD1322::window(int x, int y, int w, int h) {
+ // current pixel location
+ cur_x = x;
+ cur_y = y;
+ // window settings
+ win_x1 = x;
+ win_x2 = x + w - 1;
+ win_y1 = y;
+ win_y2 = y + h - 1;
+}
+void SSD1322::window_pushpixel(unsigned short color) {
+ pixel(cur_x, cur_y, color);
+ cur_x++;
+ if(cur_x > win_x2) {
+ cur_x = win_x1;
+ cur_y++;
+ if(cur_y > win_y2) {
+ cur_y = win_y1;
+ }
+ }
+}
+void SSD1322::window_pushpixel(unsigned short color, unsigned int count) {
+ while(count)
+ {
+ pixel(cur_x, cur_y, color);
+ cur_x++;
+ if(cur_x > win_x2)
+ {
+ cur_x = win_x1;
+ cur_y++;
+ if(cur_y > win_y2)
+ {
+ cur_y = win_y1;
+ }
+ }
+ count--;
+ }
+}
+void SSD1322::window_pushpixelbuf(unsigned short* color, unsigned int lenght) {
+ while(lenght)
+ {
+ pixel(cur_x, cur_y, *color++);
+ cur_x++;
+ if(cur_x > win_x2)
+ {
+ cur_x = win_x1;
+ cur_y++;
+ if(cur_y > win_y2)
+ {
+ cur_y = win_y1;
+ }
+ }
+ lenght--;
+ }
+}
+
+unsigned short SSD1322::pixelpos(int x, int y)
+{
+ if(!(orientation&1)) SWAP(x,y);
+ // first check parameter
+ if((x >= screensize_X) || (y >= screensize_Y)) return 0;
+
+ unsigned short page = y * _BPP / 8;
+ return (x + page*screensize_X);
+}
+
+void SSD1322::pixel(int x, int y, unsigned short color)
+{
+ if(!(orientation&1)) SWAP(x,y);
+ // first check parameter
+ if((x >= screensize_X) || (y >= screensize_Y)) return;
+
+ /*
+ unsigned short page = y * _BPP / 8;
+ unsigned char pos = y & ((8 / _BPP) - 1); // position in page
+ unsigned char mask = (( 1 << _BPP) - 1);
+
+ buffer[(x + page*screensize_X)] = (buffer[(x + page*screensize_X)] & ~(mask<<(pos*_BPP))) | ((color&mask)<<(pos*_BPP));
+ */
+
+ unsigned char cval = buffer[(y*128) + x/2];
+ if (x&1) {
+ cval = (cval & 0xF0) | (color & 0x0F);
+ } else {
+ cval = (cval & 0x0F) | (color & 0x0F)<<4;
+ }
+ buffer[(y*128) + x/2] = cval;
+}
+
+unsigned short SSD1322::pixelread(int x, int y)
+{
+ if(!(orientation&1)) SWAP(x,y);
+ // first check parameter
+ if((x >= screensize_X) || (y >= screensize_Y)) return 0;
+
+ unsigned short page = y * _BPP / 8;
+ unsigned char pos = y & ((8 / _BPP) - 1); // position in page
+ unsigned char mask = (( 1 << _BPP) - 1);
+
+ //FAUX
+ return (buffer[(x + page*screensize_X)]); // = (buffer[(x + page*screensize_X)] & ~(mask<<(pos*_BPP))) | ((color&mask)<<(pos*_BPP));
+}
+
+
+
+// Set row address 0~32
+void SSD1322::set_row_address(unsigned char add)
+{
+ wr_cmd8(SSD1322_CMD_SET_ROW_ADDR);
+ add &= 0x3F;
+ wr_data8(add);
+ wr_data8(0x3F);
+}
+
+// Set col address 0~64 for Gray mode)
+void SSD1322::set_column_address(unsigned char add)
+{
+ wr_cmd8(SSD1322_CMD_SET_COLUMN_ADDR);
+ add &= 0x3F;
+ wr_data8(0x1c+add); // where does this 0x1C (28) comes from???
+ wr_data8(0x5b); // this 0x5B (91) seems 28+64 (-1)
+}
+
+void SSD1322::copy_to_lcd(void)
+{
+ unsigned int i;
+ unsigned char x, y;
+
+ set_row_address(0);
+ set_column_address(0);
+
+ i = 0;
+ wr_cmd8(SSD1322_CMD_WRITE_RAM);
+ for(y=0; y<64; y++)
+ for(x=0; x<128; x++)
+ wr_data8(buffer[i++]);
+}
+
+unsigned long SSD1322::buffaddr(unsigned int i)
+{
+ return (unsigned long) &(buffer[i]);
+}
+
+void SSD1322::clrbuff(const unsigned char value)
+{
+ memset(buffer, value, screensize_X*_PAGES);
+}
+
+void SSD1322::fills(const unsigned char value)
+{
+clrbuff(value);
+copy_to_lcd();
+}
+
+void SSD1322::cls(void)
+{
+clrbuff();
+copy_to_lcd();
+}
+
+//void ll_fill(const unsigned char value=0xFF, const unsigned char w=0x78, const unsigned char=0x80);
+void SSD1322::ll_fill(const unsigned char value, const unsigned char w, const unsigned char h)
+{
+ unsigned short x,y;
+ //w = 0x78; // 120 x 2px by byte => 240px
+ //h = 0x80; // 0x80 for 64 rows because 2 COMs mode
+
+ wr_cmd8(0x15); // COL ADDR
+ wr_data8(0x00);
+ wr_data8(w-1);
+
+ wr_cmd8(0x75); // ROW ADDR
+ wr_data8(0x00);
+ wr_data8(h-1);
+
+ wr_cmd8(0x5C); // WRITE RAM
+ for(y=0; y<h/2; y++)
+ {
+ for(x=0; x<2*w; x++)
+ {
+ if ((y==0) | (y==(h/2-1)))
+ wr_data8(0xFF);
+ else if (x == 56) // ????
+ wr_data8(0xF2);
+ else if (x == 183)
+ //else if (x == (2*w-1))
+ wr_data8(0x2F);
+ else if ((x%10) == 0)
+ wr_data8(0x55);
+ else if ((x%5) == 0)
+ wr_data8(0x33);
+ else
+ wr_data8(0x22);
+ }
+ }
+}
+
+int SSD1322::sizeX()
+{
+ return screensize_X;
+}
+int SSD1322::sizeY()
+{
+ return screensize_Y;
+}
+
+// reset and init the lcd controller
+void SSD1322::init()
+{
+ /* Start Initial Sequence ----------------------------------------------------*/
+ for (uint16_t ind=0; ind < sizeof(oledInit); ) {
+ wr_cmd8(oledInit[ind++]);
+ uint8_t dataSize = oledInit[ind++];
+ while (dataSize--) {
+ wr_data8(oledInit[ind++]);
+ }
+ }
+ }
+
+void SSD1322::loop_event(void) {
+ if (loop_pos >= 64)
+ loop_pos = 0;
+ set_row_address(loop_pos);
+ set_column_address(0);
+ wr_cmd8(SSD1322_CMD_WRITE_RAM);
+
+ for(uint8_t i=0; i<128; i++)
+ wr_data8(buffer[loop_pos*64+i]);
+}
+
+void SSD1322::start_loop(float tick) {
+ loop_pos = 0;
+ bah.attach(this, &SSD1322::loop_event, tick);
+}
+
+void SSD1322::stop_loop() {
+ bah.detach();
+}