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annotate target-utils/lunadrv/luna.h @ 888:b8ecdf54a957

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author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 03 Apr 2022 04:28:44 +0000
parents db9a8e88e63f
children
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db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
db9a8e88e63f target-utils lunadrv program written, compiles
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2 * This header file provides definitions for the Luna LCD hardware interface.
db9a8e88e63f target-utils lunadrv program written, compiles
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3 */
db9a8e88e63f target-utils lunadrv program written, compiles
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4
db9a8e88e63f target-utils lunadrv program written, compiles
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5 /* reset control */
db9a8e88e63f target-utils lunadrv program written, compiles
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6 #define CNTL_RST_REG (*(volatile u16 *)0xFFFFFD04)
db9a8e88e63f target-utils lunadrv program written, compiles
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7 #define EXT_RESET 0x0004
db9a8e88e63f target-utils lunadrv program written, compiles
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8
db9a8e88e63f target-utils lunadrv program written, compiles
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9 /* the LCD is connected to Calypso nCS3, with A1 line as register select */
db9a8e88e63f target-utils lunadrv program written, compiles
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11 #define LCD_IR (*(volatile u16 *)0x02000000)
db9a8e88e63f target-utils lunadrv program written, compiles
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12 #define LCD_DR (*(volatile u16 *)0x02000002)
db9a8e88e63f target-utils lunadrv program written, compiles
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14 /* macro for writing first IR, then DR */
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16 #define LCD_REG_WR(reg, data) {LCD_IR = (reg); LCD_DR = (data);}
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18 /* some init operations call for controlled delays */
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20 #define DELAY_1MS 13000