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29 * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
33 * \brief ILI9225B low-level hardware macros for Atmel SAM3N-EK board.
35 * \author Stefano Fedrigo <aleph@develer.com>
41 #include "cfg/macros.h" /* BV() */
42 #include <io/sam3_pio.h>
46 * \name LCD I/O pins/ports
49 #define LCD_CS_PIN BV(30)
50 #define LCD_RESET_PIN BV(29)
51 #define LCD_RS_PIN BV(28)
55 * \name LCD bus control macros
58 #define LCD_CS_HIGH() do { PIOA_SODR = LCD_CS_PIN; } while (0)
59 #define LCD_CS_LOW() do { PIOA_CODR = LCD_CS_PIN; } while (0)
60 #define LCD_RESET_HIGH() do { PIOA_SODR = LCD_RESET_PIN; } while (0)
61 #define LCD_RESET_LOW() do { PIOA_CODR = LCD_RESET_PIN; } while (0)
62 #define LCD_RS_HIGH() do { PIOA_SODR = LCD_RS_PIN; } while (0)
63 #define LCD_RS_LOW() do { PIOA_CODR = LCD_RS_PIN; } while (0)
66 INLINE void lcd_ili9225_hw_bus_init(void)
69 PIOA_OER = LCD_RESET_PIN;
71 PIOA_PER = LCD_RESET_PIN;
74 PIOA_OER = LCD_RS_PIN;
76 PIOA_PER = LCD_RS_PIN;
78 // Init chip select pin
79 PIOA_OER = LCD_CS_PIN;
81 PIOA_PER = LCD_CS_PIN;
84 #endif /* HW_ILI9225_H */