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Merge pull request #1470 from alignan/pull/grove-rgb-backlight-lcd

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Ported Grove LCD with RGB backlight for the Zoul platforms
This commit is contained in:
Antonio Lignan 2016-01-25 09:54:25 +01:00
commit d4251d7c3b
4 changed files with 676 additions and 1 deletions
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3
examples/zolertia/zoul/Makefile
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@ -3,10 +3,11 @@ DEFINES+=PROJECT_CONF_H=\"project-conf.h\"
CONTIKI_PROJECT = zoul-demo test-tsl2563 test-sht25 test-pwm test-power-mgmt
CONTIKI_PROJECT += test-bmp085-bmp180 test-motion test-rotation-sensor
CONTIKI_PROJECT += test-grove-light-sensor test-grove-loudness-sensor
CONTIKI_PROJECT += test-weather-meter test-grove-gyro
CONTIKI_PROJECT += test-weather-meter test-grove-gyro test-lcd
CONTIKI_TARGET_SOURCEFILES += tsl2563.c sht25.c bmpx8x.c motion-sensor.c
CONTIKI_TARGET_SOURCEFILES += adc-sensors.c weather-meter.c grove-gyro.c
CONTIKI_TARGET_SOURCEFILES += rgb-bl-lcd.c
all: $(CONTIKI_PROJECT)

129
examples/zolertia/zoul/test-lcd.c Normal file
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/*
* Copyright (c) 2015, Zolertia <http://www.zolertia.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
*/
/**
* \addtogroup zoul-examples
* @{
*
* \defgroup zoul-rgb-lcd-test Test the LCD with RGB backlight
*
* Demonstrates the use of the LCD with on-board RGB backlight
* @{
*
* \file
* A quick program for testing the Grove's LCD with RGB backlight
* \author
* Antonio Lignan <alinan@zolertia.com>
*/
/*---------------------------------------------------------------------------*/
#include <stdio.h>
#include "contiki.h"
#include "dev/rgb-bl-lcd.h"
#include "dev/button-sensor.h"
/*---------------------------------------------------------------------------*/
#define SCROLL_PERIOD (CLOCK_SECOND / 6)
/*---------------------------------------------------------------------------*/
PROCESS(remote_lcd_process, "Grove LCD backlight test");
AUTOSTART_PROCESSES(&remote_lcd_process);
/*---------------------------------------------------------------------------*/
static struct etimer et;
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(remote_lcd_process, ev, data)
{
PROCESS_BEGIN();
static uint8_t i = 0;
static char buf[16];
static uint16_t counter;
/* Enable the LCD, default configuration is 2 rows and 16 columns, RGB
* backlight on with red color, no cursor/blink */
SENSORS_ACTIVATE(rgb_bl_lcd);
/* Set the cursor to column 17 and row 0 to not make it visible yet */
lcd_set_cursor(17, LCD_RGB_1ST_ROW);
lcd_write("Hello Contiki!");
/* Now make the text appear from right to left and stay aligned left */
while(i < 16) {
etimer_set(&et, SCROLL_PERIOD);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
lcd_scroll_display(LCD_RGB_CURSOR_MOVE_LEFT, 1);
i++;
etimer_restart(&et);
}
/* wait 2 seconds */
etimer_set(&et, (CLOCK_SECOND * 2));
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
/* Clear the welcome message */
lcd_clear_display();
/* Spin the timer and print the counter value on the LCD */
etimer_set(&et, CLOCK_SECOND);
lcd_set_cursor(0, LCD_RGB_1ST_ROW);
lcd_write("Press the button!");
while(1) {
PROCESS_YIELD();
if(ev == PROCESS_EVENT_TIMER) {
snprintf(buf, 15, "Counter: %05u", counter);
lcd_set_cursor(0, LCD_RGB_2ND_ROW);
lcd_write(buf);
printf("Counter: %05u\n", counter);
counter++;
etimer_restart(&et);
} else if(ev == sensors_event) {
if(data == &button_sensor) {
if(button_sensor.value(BUTTON_SENSOR_VALUE_TYPE_LEVEL) ==
BUTTON_SENSOR_PRESSED_LEVEL) {
printf("Button pressed!!\n");
lcd_set_cursor(0, LCD_RGB_1ST_ROW);
lcd_write("Button pressed!!");
} else {
lcd_set_cursor(0, LCD_RGB_1ST_ROW);
lcd_write("Press the button!");
}
}
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
/**
* @}
* @}
*/

377
platform/zoul/dev/rgb-bl-lcd.c Normal file
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@ -0,0 +1,377 @@
/*
* Copyright (c) 2015, Zolertia <http://www.zolertia.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
*/
/*---------------------------------------------------------------------------*/
/**
* \addtogroup zoul-lcd-backlight-lcd
* @{
*
* \file
* Grove LCD with RGB backlight driver
* \author
* Antonio Lignan <alinan@zolertia.com>
*/
/*---------------------------------------------------------------------------*/
#include <stdio.h>
#include "contiki.h"
#include "dev/i2c.h"
#include "dev/rgb-bl-lcd.h"
#include "lib/sensors.h"
/*---------------------------------------------------------------------------*/
#define DEBUG 0
#if DEBUG
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
/*---------------------------------------------------------------------------*/
static uint8_t enabled;
/*---------------------------------------------------------------------------*/
typedef struct {
uint8_t display_func;
uint8_t display_ctrl;
uint8_t display_mode;
uint8_t num_lines;
uint8_t cur_line;
} rgb_lcd_config_t;
static rgb_lcd_config_t lcd;
/*---------------------------------------------------------------------------*/
static const unsigned char rgb_color[7][3] =
{
{ 0xFF, 0xFF, 0xFF }, /**< White */
{ 0xFF, 0x00, 0x00 }, /**< Red */
{ 0x00, 0xFF, 0x00 }, /**< Green */
{ 0x00, 0x00, 0xFF }, /**< Blue */
{ 0xFF, 0xFF, 0x00 }, /**< Yellow */
{ 0x00, 0xFF, 0xFF }, /**< Purple */
{ 0x00, 0x00, 0x00 }, /**< Black (off) */
};
/*---------------------------------------------------------------------------*/
static int
lcd_backlight_write_reg(uint8_t addr, uint8_t val)
{
uint8_t buf[2];
buf[0] = addr;
buf[1] = val;
i2c_master_enable();
if(i2c_burst_send(LCD_RGB_ADDR, buf, 2) == I2C_MASTER_ERR_NONE) {
return LCD_RGB_SUCCESS;
}
return LCD_RGB_ERROR;
}
/*---------------------------------------------------------------------------*/
int
lcd_backlight_color(uint8_t color)
{
lcd_backlight_write_reg(LCD_RGB_LED_RED, rgb_color[color][0]);
lcd_backlight_write_reg(LCD_RGB_LED_GREEN, rgb_color[color][1]);
lcd_backlight_write_reg(LCD_RGB_LED_BLUE, rgb_color[color][2]);
return LCD_RGB_SUCCESS;
}
/*---------------------------------------------------------------------------*/
static int
lcd_write_reg(uint8_t *buf, uint8_t num)
{
if((buf == NULL) || (num <= 0)) {
PRINTF("LCD: invalid write values\n");
return LCD_RGB_ERROR;
}
i2c_master_enable();
if(i2c_burst_send(LCD_ADDR, buf, num) == I2C_MASTER_ERR_NONE) {
return LCD_RGB_SUCCESS;
}
return LCD_RGB_ERROR;
}
/*---------------------------------------------------------------------------*/
static int
lcd_cmd(uint8_t value)
{
uint8_t buf[2];
buf[0] = LCD_RGB_COMMAND_BYTE;
buf[1] = value;
if(lcd_write_reg(buf, 2) == LCD_RGB_SUCCESS) {
return LCD_RGB_SUCCESS;
}
PRINTF("LCD: failed to send command 0x%02X\n", value);
return LCD_RGB_ERROR;
}
/*---------------------------------------------------------------------------*/
int
lcd_clear_display(void)
{
if(lcd_cmd(LCD_RGB_CLEAR_DISPLAY) == LCD_RGB_SUCCESS) {
clock_delay_usec(LCD_RGB_DELAY_2MS);
return LCD_RGB_SUCCESS;
}
PRINTF("LCD: failed to clear LCD\n");
return LCD_RGB_ERROR;
}
/*---------------------------------------------------------------------------*/
int
lcd_return_home(void)
{
if(lcd_cmd(LCD_RGB_RETURN_HOME) == LCD_RGB_SUCCESS) {
clock_delay_usec(LCD_RGB_DELAY_2MS);
return LCD_RGB_SUCCESS;
}
PRINTF("LCD: failed to return home\n");
return LCD_RGB_ERROR;
}
/*---------------------------------------------------------------------------*/
int
lcd_set_cursor(uint8_t col, uint8_t row)
{
uint8_t buf[2];
buf[0] = LCD_RGB_SETDDRAM_ADDR;
buf[1] = col;
buf[1] += (!row) ? LCD_RGB_START_1ST_ROW : LCD_RGB_START_2ND_ROW;
if(lcd_write_reg(buf, 2) == LCD_RGB_SUCCESS) {
return LCD_RGB_SUCCESS;
}
PRINTF("LCD: failed to set cursor\n");
return LCD_RGB_ERROR;
}
/*---------------------------------------------------------------------------*/
int
lcd_display(uint8_t state)
{
lcd.display_ctrl &= ~LCD_RGB_DISPLAY_ON;
if(state) {
lcd.display_ctrl |= LCD_RGB_DISPLAY_ON;
}
if(lcd_cmd(LCD_RGB_DISPLAY_CONTROL + lcd.display_ctrl) == LCD_RGB_SUCCESS) {
return LCD_RGB_SUCCESS;
}
PRINTF("LCD: failed to set display\n");
return LCD_RGB_ERROR;
}
/*---------------------------------------------------------------------------*/
int
lcd_cursor(uint8_t state)
{
lcd.display_ctrl &= ~LCD_RGB_DISPLAY_CURSOR_ON;
if(state) {
lcd.display_ctrl |= LCD_RGB_DISPLAY_CURSOR_ON;
}
if(lcd_cmd(LCD_RGB_DISPLAY_CONTROL + lcd.display_ctrl) == LCD_RGB_SUCCESS) {
return LCD_RGB_SUCCESS;
}
PRINTF("LCD: failed to set cursor\n");
return LCD_RGB_ERROR;
}
/*---------------------------------------------------------------------------*/
int
lcd_blink(uint8_t state)
{
lcd.display_ctrl &= ~LCD_RGB_DISPLAY_BLINK_ON;
if(state) {
lcd.display_ctrl |= LCD_RGB_DISPLAY_BLINK_ON;
}
if(lcd_cmd(LCD_RGB_DISPLAY_CONTROL + lcd.display_ctrl) == LCD_RGB_SUCCESS) {
return LCD_RGB_SUCCESS;
}
PRINTF("LCD: failed to set blink\n");
return LCD_RGB_ERROR;
}
/*---------------------------------------------------------------------------*/
int
lcd_scroll_display(uint8_t direction, uint8_t num)
{
uint8_t i;
/* FIXME: add check for num */
for(i = 0; i < num; i++) {
if(lcd_cmd(LCD_RGB_CURSOR_SHIFT + LCD_RGB_CURSOR_DISPLAY_MOVE +
direction) != LCD_RGB_SUCCESS) {
PRINTF("LCD: failed to set scroll\n");
return LCD_RGB_ERROR;
}
}
return LCD_RGB_SUCCESS;
}
/*---------------------------------------------------------------------------*/
int
lcd_text_direction(uint8_t direction)
{
lcd.display_mode &= ~LCD_RGB_ENTRY_MODE_LEFT;
if(direction) {
lcd.display_mode |= LCD_RGB_ENTRY_MODE_LEFT;
}
if(lcd_cmd(LCD_RGB_ENTRY_MODE_SET + lcd.display_mode) == LCD_RGB_SUCCESS) {
return LCD_RGB_SUCCESS;
}
PRINTF("LCD: failed to set text direction\n");
return LCD_RGB_ERROR;
}
/*---------------------------------------------------------------------------*/
int
lcd_autoscroll(uint8_t state)
{
lcd.display_mode &= ~LCD_RGB_ENTRY_SHIFT_INCREMENT;
if(state) {
lcd.display_mode |= LCD_RGB_ENTRY_SHIFT_INCREMENT;
}
if(lcd_cmd(LCD_RGB_ENTRY_MODE_SET + lcd.display_mode) == LCD_RGB_SUCCESS) {
return LCD_RGB_SUCCESS;
}
PRINTF("LCD: failed to set autoscroll\n");
return LCD_RGB_ERROR;
}
/*---------------------------------------------------------------------------*/
static int
lcd_write_byte(int c)
{
uint8_t buf[2];
buf[0] = LCD_RGB_SETCGRAM_ADDR;
buf[1] = c;
if(lcd_write_reg(buf, 2) == LCD_RGB_SUCCESS) {
return LCD_RGB_SUCCESS;
}
return LCD_RGB_ERROR;
}
/*---------------------------------------------------------------------------*/
uint8_t
lcd_write(const char *s)
{
uint8_t i = 0;
while(s && *s != 0) {
lcd_write_byte(*s++);
i++;
}
PRINTF("LCD: wrote %u bytes\n", i);
return i;
}
/*---------------------------------------------------------------------------*/
static int
configure(int type, int value)
{
if(type != LCD_RGB_ACTIVE) {
PRINTF("LCD: option not supported\n");
return LCD_RGB_ERROR;
}
switch(type) {
/* Default initialization value is 16 columns and 2 rows */
case LCD_RGB_ACTIVE:
if(value) {
i2c_init(I2C_SDA_PORT, I2C_SDA_PIN, I2C_SCL_PORT, I2C_SCL_PIN,
I2C_SCL_NORMAL_BUS_SPEED);
lcd.display_func = LCD_RGB_FUNCTION_SET_2_LINE +
LCD_RGB_FUNCTION_SET_5x8_DOTS;
/* wait at least 50ms for the LCD to initialize */
clock_delay_usec(LCD_RGB_DELAY_50MS);
/* Send function set command sequence */
if(lcd_cmd(LCD_RGB_FUNCTION_SET + lcd.display_func) == LCD_RGB_ERROR) {
return LCD_RGB_ERROR;
}
clock_delay_usec(LCD_RGB_DELAY_4_5MS);
/* Datasheet instructs to repeat a second time... */
if(lcd_cmd(LCD_RGB_FUNCTION_SET + lcd.display_func) == LCD_RGB_ERROR) {
return LCD_RGB_ERROR;
}
clock_delay_usec(LCD_RGB_DELAY_150US);
/* and a third... */
if(lcd_cmd(LCD_RGB_FUNCTION_SET + lcd.display_func) == LCD_RGB_ERROR) {
return LCD_RGB_ERROR;
}
/* Now we can configure everything */
if(lcd_cmd(LCD_RGB_FUNCTION_SET + lcd.display_func) == LCD_RGB_ERROR) {
return LCD_RGB_ERROR;
}
/* Turn on the display */
lcd.display_ctrl = LCD_RGB_DISPLAY_ON + LCD_RGB_DISPLAY_CURSOR_OFF +
LCD_RGB_DISPLAY_BLINK_OFF;
if(lcd_cmd(LCD_RGB_DISPLAY_CONTROL + lcd.display_ctrl) == LCD_RGB_ERROR) {
return LCD_RGB_ERROR;
}
/* Clear the display */
if(lcd_clear_display() == LCD_RGB_ERROR) {
return LCD_RGB_ERROR;
}
/* Initialize text direction (the LCD supports japanese, cool! */
lcd.display_mode = LCD_RGB_ENTRY_MODE_LEFT + LCD_RGB_ENTRY_SHIFT_DECREMENT;
/* configure the entry mode */
if(lcd_cmd(LCD_RGB_ENTRY_MODE_SET + lcd.display_mode) == LCD_RGB_ERROR) {
return LCD_RGB_ERROR;
}
/* Backlight initialization */
lcd_backlight_write_reg(LCD_RGB_LED_MODE_1, LCD_RGB_LED_MODE_DEFAULT);
lcd_backlight_write_reg(LCD_RGB_LED_MODE_2, LCD_RGB_LED_MODE_DEFAULT);
lcd_backlight_write_reg(LCD_RGB_LED_OUT, LCD_RGB_LED_OUT_PWM_CTRL);
/* Set the backlight color */
lcd_backlight_color(LCD_RGB_RED);
PRINTF("LCD: initialized\n");
enabled = 1;
return LCD_RGB_SUCCESS;
} else {
lcd_display(LCD_RGB_DISPLAY_OFF);
lcd_backlight_color(LCD_RGB_BLACK);
enabled = 0;
}
}
return LCD_RGB_ERROR;
}
/*---------------------------------------------------------------------------*/
SENSORS_SENSOR(rgb_bl_lcd, RGB_BACKLIGHT_LCD, NULL, configure, NULL);
/*---------------------------------------------------------------------------*/
/** @} */

168
platform/zoul/dev/rgb-bl-lcd.h Normal file
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/*
* Copyright (c) 2016, Zolertia <http://www.zolertia.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOcFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
*/
/*---------------------------------------------------------------------------*/
/**
* \addtogroup zoul-sensors
* @{
*
* \defgroup zoul-lcd-backlight-lcd Grove LCD with RGB backlight
* @{
*
* \file
* Grove LCD with RGB backlight header
* \author
* Antonio Lignan <alinan@zolertia.com>
*/
/*---------------------------------------------------------------------------*/
#include "lib/sensors.h"
/* -------------------------------------------------------------------------- */
#ifndef RGB_BL_LCD_H_
#define RGB_BL_LCD_H_
/* -------------------------------------------------------------------------- */
/**
* \name LCD w/ backlight enums
* @{
*/
enum {
LCD_RGB_WHITE = 0x00,
LCD_RGB_RED = 0x01,
LCD_RGB_GREEN = 0x02,
LCD_RGB_BLUE = 0x03,
LCD_RGB_BLACK = 0x04,
LCD_RGB_YELLOW = 0x05,
LCD_RGB_PURPLE = 0x06,
};
/* -------------------------------------------------------------------------- */
enum {
LCD_RGB_1ST_ROW = 0x00,
LCD_RGB_2ND_ROW = 0x01,
};
/** @} */
/* -------------------------------------------------------------------------- */
/**
* \name LCD w/ backlight address, registers and bitmasks
* @{
*/
#define LCD_ADDR 0x3E
#define LCD_RGB_ADDR 0x62
/* -------------------------------------------------------------------------- */
#define LCD_RGB_REG_MODE1 0x00
#define LCD_RGB_REG_MODE2 0x01
#define LCD_RGB_REG_OUTPUT 0x08
/* -------------------------------------------------------------------------- */
#define LCD_RGB_COMMAND_BYTE 0x80
/* -------------------------------------------------------------------------- */
#define LCD_RGB_CLEAR_DISPLAY 0x01
#define LCD_RGB_RETURN_HOME 0x02
#define LCD_RGB_ENTRY_MODE_SET 0x04
#define LCD_RGB_DISPLAY_CONTROL 0x08
#define LCD_RGB_CURSOR_SHIFT 0x10
#define LCD_RGB_FUNCTION_SET 0x20
#define LCD_RGB_SETCGRAM_ADDR 0x40
#define LCD_RGB_SETDDRAM_ADDR 0x80
/* -------------------------------------------------------------------------- */
#define LCD_RGB_ENTRY_MODE_RIGHT 0x00
#define LCD_RGB_ENTRY_MODE_LEFT 0x02
#define LCD_RGB_ENTRY_SHIFT_INCREMENT 0x01
#define LCD_RGB_ENTRY_SHIFT_DECREMENT 0x00
/* -------------------------------------------------------------------------- */
#define LCD_RGB_DISPLAY_ON 0x04
#define LCD_RGB_DISPLAY_OFF 0x00
#define LCD_RGB_DISPLAY_CURSOR_ON 0x02
#define LCD_RGB_DISPLAY_CURSOR_OFF 0x00
#define LCD_RGB_DISPLAY_BLINK_ON 0x01
#define LCD_RGB_DISPLAY_BLINK_OFF 0x00
/* -------------------------------------------------------------------------- */
#define LCD_RGB_CURSOR_DISPLAY_MOVE 0x08
#define LCD_RGB_CURSOR_MOVE 0x00
#define LCD_RGB_CURSOR_MOVE_RIGHT 0x04
#define LCD_RGB_CURSOR_MOVE_LEFT 0x00
/* -------------------------------------------------------------------------- */
#define LCD_RGB_FUNCTION_SET_8BIT 0x10
#define LCD_RGB_FUNCTION_SET_4BIT 0x00
#define LCD_RGB_FUNCTION_SET_2_LINE 0x08
#define LCD_RGB_FUNCTION_SET_1_LINE 0x00
#define LCD_RGB_FUNCTION_SET_5x10_DOTS 0x04
#define LCD_RGB_FUNCTION_SET_5x8_DOTS 0x00
/* -------------------------------------------------------------------------- */
#define LCD_RGB_LED_MODE_1 0x00
#define LCD_RGB_LED_MODE_2 0x01
#define LCD_RGB_LED_OUT 0x08
/* -------------------------------------------------------------------------- */
#define LCD_RGB_LED_RED 0x04
#define LCD_RGB_LED_GREEN 0x03
#define LCD_RGB_LED_BLUE 0x02
/* -------------------------------------------------------------------------- */
#define LCD_RGB_LED_MODE_DEFAULT 0x00
#define LCD_RGB_LED_OUT_PWM_CTRL 0xAA
/* -------------------------------------------------------------------------- */
#define LCD_RGB_DELAY_50MS 50000
#define LCD_RGB_DELAY_4_5MS 4500
#define LCD_RGB_DELAY_150US 150
#define LCD_RGB_DELAY_2MS 2000
/* -------------------------------------------------------------------------- */
#define LCD_RGB_START_1ST_ROW 0x80
#define LCD_RGB_START_2ND_ROW 0xC0
/* -------------------------------------------------------------------------- */
#define LCD_RGB_ACTIVE SENSORS_ACTIVE
#define LCD_RGB_ERROR (-1)
#define LCD_RGB_SUCCESS 0x00
/** @} */
/* -------------------------------------------------------------------------- */
/**
* \name TSL2563 return and command values
* @{
*/
/* LCD functions */
uint8_t lcd_write(const char *s);
int lcd_set_cursor(uint8_t col, uint8_t row);
int lcd_autoscroll(uint8_t state);
int lcd_scroll_display(uint8_t direction, uint8_t num);
int lcd_blink(uint8_t state);
int lcd_clear_display(void);
int lcd_return_home(void);
int lcd_display(uint8_t state);
int lcd_cursor(uint8_t state);
int lcd_text_direction(uint8_t direction);
/* Backlight functions */
int lcd_backlight_color(uint8_t color);
/** @} */
/* -------------------------------------------------------------------------- */
#define RGB_BACKLIGHT_LCD "LCD with RGB backlight"
extern const struct sensors_sensor rgb_bl_lcd;
/* -------------------------------------------------------------------------- */
#endif /* ifndef RGB_BL_LCD_ */
/**
* @}
* @}
*/