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comparison: lib/unigraphic/SSD1322.h

lib/unigraphic/SSD1322.h

changeset 8
55021f3f1929
parent 6
8cb67d7afd79
child 17
162fe523c37d
equal deleted inserted replaced
7:5cf4034ba4e0 8:55021f3f1929
1 #ifndef MBED_SSD1322_H 1 #ifndef MBED_SSD1322_H
2 #define MBED_SSD1322_H 2 #define MBED_SSD1322_H
3 3
4 #include "mbed.h" 4 #include "mbed.h"
5
6 #include "SPI8.h"
7
8 #include "Protocols.h"
9 #include "GraphicsDisplay.h" 5 #include "GraphicsDisplay.h"
10 6
7 //Display module specs
8 #define DISPLAY_WIDTH (256)
9 #define DISPLAY_HEIGHT (64)
10 #define DISPLAY_BUFFER_TYPE uint8_t
11 #define DISPLAY_BUFFER_TYPE_SIZE (2) // 2 pixel / byte
12 #define DISPLAY_BUFFER_ELEMENTS 8192 // 256*64 / 2 (because 2 pixels/byte)
13
14
11 /** Mirror mode */ 15 /** Mirror mode */
12 enum mirror_t {X,Y,XY,NONE}; 16 enum mirror_t {X, Y, XY, NONE};
17
18 typedef enum {
19 IDLE, // No operation currently ongoing
20 CLEARING, // In the process of clearing the display
21 WRITING, // In the process of sending a display update
22 WAIT_CLEAR, // Going to clear after CS pin timeout
23 WAIT_WRITE, // Going to write after CS pin timeout
24 TRANSFERS_DONE, // Last transfer in progress
25 DONE, // Done with transmission, waiting for CS pin to become high
26 } SSD1322_state_t;
13 27
14 /** A common base class for monochrome Display 28 /** A common base class for monochrome Display
15 */ 29 */
16 class SSD1322 : public GraphicsDisplay 30 class SSD1322: public GraphicsDisplay
17 { 31 {
18 32
19 public: 33 public:
20 34
21 35
22 /** Create a monochrome SSD1322 SPI interface 36 /** Create a monochrome SSD1322 SPI interface
23 * @param name The name used by the parent class to access the interface 37 * @param name The name used by the parent class to access the interface
24 */ 38 */
25 SSD1322(proto_t displayproto, 39 SSD1322(int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC,
26 int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC, 40 const char* name);
27 const char* name,
28 const unsigned int lcdsize_x=128, const unsigned int lcdsize_y=64);
29 41
30 /** Destructor 42 /** Destructor
31 * will free framebuffer 43 * will free framebuffer
32 */ 44 */
33 virtual ~SSD1322(); 45 virtual ~SSD1322() {};
34 46
35 47
36 48
37 /////// functions that come for free, but can be overwritten/////////////////////////////////////////////////// 49 /////// functions that come for free, but can be overwritten///////////////////////////////////////////////////
38 /////// ----------------------------------------------------/////////////////////////////////////////////////// 50 /////// ----------------------------------------------------///////////////////////////////////////////////////
127 virtual void bus_enable(bool enable); 139 virtual void bus_enable(bool enable);
128 140
129 /** get display X size in pixels (native, orientation independent) 141 /** get display X size in pixels (native, orientation independent)
130 * @returns X size in pixels 142 * @returns X size in pixels
131 */ 143 */
132 int sizeX(); 144 int sizeX() {return screensize_X;};
133 145
134 /** get display Y size in pixels (native, orientation independent) 146 /** get display Y size in pixels (native, orientation independent)
135 * @returns Y size in pixels 147 * @returns Y size in pixels
136 */ 148 */
137 int sizeY(); 149 int sizeY() {return screensize_Y;};
138 150
139 //////////////////////////////////////////////////////////////////////////////// 151 ////////////////////////////////////////////////////////////////////////////////
140 // not implemented yet 152 // not implemented yet
141 ////////////////////////////////////////////////////////////////// 153 //////////////////////////////////////////////////////////////////
142 // virtual unsigned short pixelread(int x, int y){return 0;}; 154 // virtual unsigned short pixelread(int x, int y){return 0;};
149 unsigned int buffsize() { return _PAGES*screensize_X;}; 161 unsigned int buffsize() { return _PAGES*screensize_X;};
150 unsigned short pixelpos(int x, int y); 162 unsigned short pixelpos(int x, int y);
151 void clrbuff(const unsigned char value=0x00); 163 void clrbuff(const unsigned char value=0x00);
152 unsigned long buffaddr(unsigned int i); 164 unsigned long buffaddr(unsigned int i);
153 void fills(const unsigned char value=0xFF); 165 void fills(const unsigned char value=0xFF);
154 void ll_fill(const unsigned char value=0xFF, const unsigned char w=0x78, const unsigned char=0x80); 166
155 void set_row_address(unsigned char start_row=0x00, unsigned char end_row=0x3F); 167 void set_row_address(unsigned char start_row=0x00, unsigned char end_row=0x3F);
156 void set_column_address(unsigned char start_col=0x00, unsigned char end_col=0x3F); 168 void set_column_address(unsigned char start_col=0x00, unsigned char end_col=0x3F);
157
158 void start_loop(float tick);
159 void stop_loop(void);
160 169
161 virtual void copy_to_lcd(unsigned char from_col, unsigned char to_col, 170 virtual void copy_to_lcd(unsigned char from_col, unsigned char to_col,
162 unsigned char from_row, unsigned char to_row); 171 unsigned char from_row, unsigned char to_row);
163 172
164 protected: 173 protected:
186 * 195 *
187 * @param data: byte to send 196 * @param data: byte to send
188 * 197 *
189 */ 198 */
190 void wr_data8(unsigned char data); 199 void wr_data8(unsigned char data);
191 200
192 /** Send 16bit command to display controller
193 *
194 * @param cmd: halfword to send
195 *
196 */
197 void wr_cmd16(unsigned short cmd);
198
199 /** Send same 16bit pixeldata to display controller multiple times
200 *
201 * @param data: halfword to send
202 * @param count: how many
203 *
204 */
205 virtual void wr_gram(unsigned short data, unsigned int count);
206
207 /** Send array of pixeldata shorts to display controller
208 *
209 * @param data: unsigned short pixeldata array
210 * @param lenght: lenght (in shorts)
211 *
212 */
213 virtual void wr_grambuf(unsigned short* data, unsigned int lenght);
214
215 /** HW reset sequence (without display init commands) 201 /** HW reset sequence (without display init commands)
216 */ 202 */
217 void hw_reset(); 203 void hw_reset();
218 204
219 int contrast; 205 int contrast;
220 void loop_event(void);
221 206
222 protected: 207 protected:
223 208
224 Protocols* proto; 209 mbed::SPI _spi;
225 unsigned char *buffer; 210 DigitalOut _CS;
211 DigitalOut _RST;
212 DigitalOut _DC;
213 volatile DISPLAY_BUFFER_TYPE _pixelBuffer[DISPLAY_BUFFER_ELEMENTS]; // one full frame buffer
214 DISPLAY_BUFFER_TYPE _trBuffer[DISPLAY_BUFFER_ELEMENTS]; // for sending
215
226 const int screensize_X; 216 const int screensize_X;
227 const int screensize_Y; 217 const int screensize_Y;
228 const int _PAGES; 218 const int _PAGES;
229 const int _BPP; 219 const int _BPP;
230 const int _IC_X_SEGS; 220 const int _IC_X_SEGS;
231 const int _IC_Y_COMS; 221 const int _IC_Y_COMS;
232 const int _IC_PAGES; 222 const int _IC_PAGES;
233 223
234 Ticker bah;
235 int loop_pos;
236 // pixel location 224 // pixel location
237 int cur_x; 225 int cur_x;
238 int cur_y; 226 int cur_y;
239 // window location 227 // window location
240 int win_x1; 228 int win_x1;
241 int win_x2; 229 int win_x2;
242 int win_y1; 230 int win_y1;
243 int win_y2; 231 int win_y2;
244 int orientation; 232 int orientation;
233
234 SSD1322_state_t _state;
235
245 }; 236 };
246 237
247 #endif 238 #endif

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