#include <config.h>
#include <rom/lcd.h>
Include dependency graph for lcd.h:
This graph shows which files directly or indirectly include this file:
Go to the source code of this file.
Defines | |
| #define | LCD_SHORT_CMD 0 |
| #define | LCD_LONG_CMD 3 |
| #define | LCD_DATA_OFFSET 5 |
| #define | LCD_DATA_SIZE 9 |
| #define | LCD_MODE_SET 0x40 |
| #define | LCD_ENABLE 0x08 |
| #define | LCD_DISABLE 0x00 |
| #define | LCD_DEV_ID 0x7c |
| #define | I2C_WRITE 0 |
| #define | I2C_READ 1 |
| #define | SCL 5 |
| #define | SDA 6 |
Functions | |
| void | lcd_init (void) |
| initialize LCD driver | |
| void | lcd_power_on (void) |
| power on LCD display, also called from lcd_init() | |
| void | lcd_power_off (void) |
| power off LCD display | |
| void | lcd_refresh (void) |
| show LCD display contents to the world | |
| void | lcd_refresh_next_byte (void) |
| show LCD display contents to the world | |
Variables | |
| unsigned char | display_memory [] |
| LCD display data buffer. | |
Definition in file lcd.h.
|
|
|
|
|
Definition at line 60 of file lcd.h. Referenced by lcd_init(). |
|
|
Definition at line 47 of file lcd.h. Referenced by lcd_refresh(), and lcd_refresh_next_byte_core(). |
|
|
Definition at line 48 of file lcd.h. Referenced by lcd_refresh(), and lcd_refresh_next_byte_core(). |
|
|
Definition at line 58 of file lcd.h. Referenced by lcd_init(). |
|
|
Definition at line 54 of file lcd.h. Referenced by lcd_power_off(). |
|
|
Definition at line 53 of file lcd.h. Referenced by lcd_power_on(). |
|
|
Definition at line 46 of file lcd.h. Referenced by lcd_init(), and lcd_refresh(). |
|
|
Definition at line 52 of file lcd.h. Referenced by lcd_power_off(), and lcd_power_on(). |
|
|
Definition at line 45 of file lcd.h. Referenced by lcd_init(), lcd_power_off(), lcd_power_on(), and lcd_refresh_next_byte_core(). |
|
|
Definition at line 63 of file lcd.h. Referenced by i2c_read_ack(), i2c_start(), i2c_stop(), i2c_write(), lcd_init(), and lcd_power_off(). |
|
|
Definition at line 64 of file lcd.h. Referenced by i2c_read_ack(), i2c_start(), i2c_stop(), i2c_write(), lcd_init(), and lcd_power_off(). |
|
|
initialize LCD driver output drivers are configured as outputs. the lcd_shadow buffer is cleared and initialized. the LCD controller is enabled. Definition at line 295 of file lcd.c. References clr, I2C_WRITE, lcd_byte_counter, LCD_DEV_ID, LCD_LONG_CMD, lcd_power_on(), lcd_refresh_counter, lcd_shadow, LCD_SHORT_CMD, memset(), PORT6_DDR, rom_port6_ddr, SCL, and SDA. |
|
|
power off LCD display the LCD controller is put in low power mode and output drivers to the LCD controller are disabled. Note: without disabling the output drivers the CPU will not save power in sleep mode. Definition at line 279 of file lcd.c. References clr, LCD_DISABLE, LCD_MODE_SET, lcd_refresh(), lcd_shadow, LCD_SHORT_CMD, lcd_write_data(), SCL, and SDA. |
|
|
power on LCD display, also called from lcd_init() the LCD controller is enabled. Definition at line 266 of file lcd.c. References LCD_ENABLE, LCD_MODE_SET, lcd_shadow, LCD_SHORT_CMD, and lcd_write_data(). Referenced by lcd_init(). |
|
|
show LCD display contents to the world the entire 9 bytes of display_memory are written to the LCD controller unconditionally. lcd_shadow is updated to the new values. Definition at line 254 of file lcd.c. References display_memory, LCD_DATA_OFFSET, LCD_DATA_SIZE, LCD_LONG_CMD, lcd_shadow, and lcd_write_data(). Referenced by lcd_power_off(), show_off(), and show_on(). |
|
|
show LCD display contents to the world display updates are realized on a byte basis by calling this function: the complete display will be updated after 9 calls. |
|
|
LCD display data buffer.
Definition at line 73 of file lcd.h. Referenced by lcd_refresh(), and lcd_refresh_next_byte_core(). |
|
brickOS is released under the
Mozilla Public License.
Original code copyright 1998-2002 by the authors. |
1.3.5