77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
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/*
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* lcd.h
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*
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* Created on: May 27, 2022
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* Author: Keith.Lloyd
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*/
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#ifndef LCD_H_
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#define LCD_H_
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#define LCD_WIDTH_PIXELS 240
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#define LCD_HEIGHT_PIXELS 128
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#define LCD_X_CENTER 120
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#define LCD_Y CENTER 64
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#define LCD_X_MAX 239
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#define LCD_Y_MAX 127
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#define LCD_X_MID 120
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#define LCD_Y_MID 64
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#define LCD_X_MIN 0
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#define LCD_Y_MIN 0
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#define LCD_Y_BITS_PER_PAGE 8 //8 bits per page in Y direction (for draw and get pixel)
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//UC1608 defines: These all require CONTROL MODE
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//Some commands have the last few bits as arguments. These can be set with SendLcdCommand()
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#define LCD_SET_COLUMN_LSB 0x00 // last 4 bits are data
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#define LCD_SET_COLUMN_MSB 0x10 // last 4 bits are data
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#define LCD_SET_MUX_AND_TC 0x24 // ## 21 last 2 bits are Temperature compensation curve
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#define LCD_SET_POWER_CONTROL 0x28 // last 3 bits are data ## 2D
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#define LCD_SET_START_LINE 0x40 // last 6 bits are data
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#define LCD_SET_GAIN_AND_POT 0x81 // DOUBLE BYTE COMMAND! Send this, then 8 data bits
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#define LCD_SET_RAM_ADDRESS_CTRL 0x88 //## 89 ? Last 3 bits are the control
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#define LCD_SET_ALL_PIXELS 0xA4 //# Actually off A5 = On Set all pixels - last bit is on/off
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#define LCD_SYSTEM_RESET 0xE2 // # must delay min 15mS after use
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#define LCD_SET_DISPLAY_ENABLE 0xAE // # last bit is arg (on/off)
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#define LCD_SET_BIAS_RATIO 0xE8 // last 2 bits are data
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#define LCD_SET_PAGE_ADDRESS 0xB0 //last 4 bits are data
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typedef enum {
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LCD_DRAW_SET,
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LCD_DRAW_CLEAR,
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LCD_DRAW_XOR
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}LCD_DRAWMODE_t;
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//UM1608 Data / Control line
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typedef enum {
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LCD_CDLINE_CONTROL = 0,
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LCD_CDLINE_DATA = 1
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}LCD_CDLINE_t;
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void LCD_Init(void);
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void Display_Update(void);
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void LCD_Update(void);
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void LCD_Clear(void);
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void LCD_DrawPixel(int16_t x, int16_t y, LCD_DRAWMODE_t mode);
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uint8_t LCD_GetPixel(int16_t x0, int16_t y0);
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#if 0 //UC1608
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#define UC1608_DATA 1
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#define UC1608_CMD 0
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int uc1608_send(struct spi_config *config,unsigned char *data, int len,uint8_t mode,uint8_t cmdPin);
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void uc1608_setup(struct spi_config *config,uint8_t cmdPin);
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#endif
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#endif /* LCD_H_ */
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