Merge pull request #1470 from alignan/pull/grove-rgb-backlight-lcd
Ported Grove LCD with RGB backlight for the Zoul platforms
This commit is contained in:
Antonio Lignan
commit
d4251d7c3b
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@ -3,10 +3,11 @@ DEFINES+=PROJECT_CONF_H=\"project-conf.h\"
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CONTIKI_PROJECT = zoul-demo test-tsl2563 test-sht25 test-pwm test-power-mgmt
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CONTIKI_PROJECT = zoul-demo test-tsl2563 test-sht25 test-pwm test-power-mgmt
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CONTIKI_PROJECT += test-bmp085-bmp180 test-motion test-rotation-sensor
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CONTIKI_PROJECT += test-bmp085-bmp180 test-motion test-rotation-sensor
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CONTIKI_PROJECT += test-grove-light-sensor test-grove-loudness-sensor
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CONTIKI_PROJECT += test-grove-light-sensor test-grove-loudness-sensor
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CONTIKI_PROJECT += test-weather-meter test-grove-gyro
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CONTIKI_PROJECT += test-weather-meter test-grove-gyro test-lcd
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CONTIKI_TARGET_SOURCEFILES += tsl2563.c sht25.c bmpx8x.c motion-sensor.c
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CONTIKI_TARGET_SOURCEFILES += tsl2563.c sht25.c bmpx8x.c motion-sensor.c
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CONTIKI_TARGET_SOURCEFILES += adc-sensors.c weather-meter.c grove-gyro.c
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CONTIKI_TARGET_SOURCEFILES += adc-sensors.c weather-meter.c grove-gyro.c
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CONTIKI_TARGET_SOURCEFILES += rgb-bl-lcd.c
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all: $(CONTIKI_PROJECT)
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all: $(CONTIKI_PROJECT)
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129
examples/zolertia/zoul/test-lcd.c
Normal file
129
examples/zolertia/zoul/test-lcd.c
Normal file
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@ -0,0 +1,129 @@
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/*
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* Copyright (c) 2015, Zolertia <http://www.zolertia.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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||||||
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* modification, are permitted provided that the following conditions
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||||||
|
* are met:
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||||||
|
* 1. Redistributions of source code must retain the above copyright
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||||||
|
* notice, this list of conditions and the following disclaimer.
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||||||
|
* 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.
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||||||
|
* 3. Neither the name of the Institute nor the names of its contributors
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||||||
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* may be used to endorse or promote products derived from this software
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||||||
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* without specific prior written permission.
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||||||
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*
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||||||
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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||||||
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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||||||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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||||||
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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||||||
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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||||||
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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||||||
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \addtogroup zoul-examples
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* @{
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*
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* \defgroup zoul-rgb-lcd-test Test the LCD with RGB backlight
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*
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* Demonstrates the use of the LCD with on-board RGB backlight
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* @{
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*
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* \file
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* A quick program for testing the Grove's LCD with RGB backlight
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* \author
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* Antonio Lignan <alinan@zolertia.com>
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*/
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/*---------------------------------------------------------------------------*/
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#include <stdio.h>
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#include "contiki.h"
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#include "dev/rgb-bl-lcd.h"
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#include "dev/button-sensor.h"
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/*---------------------------------------------------------------------------*/
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#define SCROLL_PERIOD (CLOCK_SECOND / 6)
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/*---------------------------------------------------------------------------*/
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PROCESS(remote_lcd_process, "Grove LCD backlight test");
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AUTOSTART_PROCESSES(&remote_lcd_process);
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/*---------------------------------------------------------------------------*/
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static struct etimer et;
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(remote_lcd_process, ev, data)
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{
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PROCESS_BEGIN();
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static uint8_t i = 0;
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static char buf[16];
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static uint16_t counter;
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/* Enable the LCD, default configuration is 2 rows and 16 columns, RGB
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* backlight on with red color, no cursor/blink */
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SENSORS_ACTIVATE(rgb_bl_lcd);
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/* Set the cursor to column 17 and row 0 to not make it visible yet */
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lcd_set_cursor(17, LCD_RGB_1ST_ROW);
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lcd_write("Hello Contiki!");
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/* Now make the text appear from right to left and stay aligned left */
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while(i < 16) {
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etimer_set(&et, SCROLL_PERIOD);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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lcd_scroll_display(LCD_RGB_CURSOR_MOVE_LEFT, 1);
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i++;
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etimer_restart(&et);
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}
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/* wait 2 seconds */
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etimer_set(&et, (CLOCK_SECOND * 2));
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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/* Clear the welcome message */
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lcd_clear_display();
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/* Spin the timer and print the counter value on the LCD */
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etimer_set(&et, CLOCK_SECOND);
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lcd_set_cursor(0, LCD_RGB_1ST_ROW);
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lcd_write("Press the button!");
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while(1) {
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PROCESS_YIELD();
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if(ev == PROCESS_EVENT_TIMER) {
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snprintf(buf, 15, "Counter: %05u", counter);
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lcd_set_cursor(0, LCD_RGB_2ND_ROW);
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lcd_write(buf);
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printf("Counter: %05u\n", counter);
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counter++;
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etimer_restart(&et);
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} else if(ev == sensors_event) {
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if(data == &button_sensor) {
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if(button_sensor.value(BUTTON_SENSOR_VALUE_TYPE_LEVEL) ==
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BUTTON_SENSOR_PRESSED_LEVEL) {
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printf("Button pressed!!\n");
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lcd_set_cursor(0, LCD_RGB_1ST_ROW);
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lcd_write("Button pressed!!");
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} else {
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lcd_set_cursor(0, LCD_RGB_1ST_ROW);
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lcd_write("Press the button!");
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}
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}
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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/**
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* @}
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* @}
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*/
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377
platform/zoul/dev/rgb-bl-lcd.c
Normal file
377
platform/zoul/dev/rgb-bl-lcd.c
Normal file
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@ -0,0 +1,377 @@
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/*
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* Copyright (c) 2015, Zolertia <http://www.zolertia.com>
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* All rights reserved.
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||||||
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*
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||||||
|
* 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.
|
||||||
|
*
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||||||
|
* 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
|
||||||
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||||
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* SUCH DAMAGE.
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||||||
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*
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||||||
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* This file is part of the Contiki operating system.
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*
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \addtogroup zoul-lcd-backlight-lcd
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* @{
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*
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* \file
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* Grove LCD with RGB backlight driver
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* \author
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* Antonio Lignan <alinan@zolertia.com>
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*/
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/*---------------------------------------------------------------------------*/
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#include <stdio.h>
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#include "contiki.h"
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#include "dev/i2c.h"
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#include "dev/rgb-bl-lcd.h"
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#include "lib/sensors.h"
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/*---------------------------------------------------------------------------*/
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#define DEBUG 0
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#if DEBUG
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#define PRINTF(...) printf(__VA_ARGS__)
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#else
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#define PRINTF(...)
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#endif
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/*---------------------------------------------------------------------------*/
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static uint8_t enabled;
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/*---------------------------------------------------------------------------*/
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typedef struct {
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uint8_t display_func;
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uint8_t display_ctrl;
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uint8_t display_mode;
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uint8_t num_lines;
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uint8_t cur_line;
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} rgb_lcd_config_t;
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static rgb_lcd_config_t lcd;
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/*---------------------------------------------------------------------------*/
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static const unsigned char rgb_color[7][3] =
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{
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{ 0xFF, 0xFF, 0xFF }, /**< White */
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{ 0xFF, 0x00, 0x00 }, /**< Red */
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{ 0x00, 0xFF, 0x00 }, /**< Green */
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{ 0x00, 0x00, 0xFF }, /**< Blue */
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{ 0xFF, 0xFF, 0x00 }, /**< Yellow */
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{ 0x00, 0xFF, 0xFF }, /**< Purple */
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{ 0x00, 0x00, 0x00 }, /**< Black (off) */
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};
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/*---------------------------------------------------------------------------*/
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static int
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lcd_backlight_write_reg(uint8_t addr, uint8_t val)
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{
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uint8_t buf[2];
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buf[0] = addr;
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buf[1] = val;
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i2c_master_enable();
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if(i2c_burst_send(LCD_RGB_ADDR, buf, 2) == I2C_MASTER_ERR_NONE) {
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return LCD_RGB_SUCCESS;
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}
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return LCD_RGB_ERROR;
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}
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/*---------------------------------------------------------------------------*/
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int
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lcd_backlight_color(uint8_t color)
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{
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lcd_backlight_write_reg(LCD_RGB_LED_RED, rgb_color[color][0]);
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lcd_backlight_write_reg(LCD_RGB_LED_GREEN, rgb_color[color][1]);
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lcd_backlight_write_reg(LCD_RGB_LED_BLUE, rgb_color[color][2]);
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return LCD_RGB_SUCCESS;
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}
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|
/*---------------------------------------------------------------------------*/
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static int
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lcd_write_reg(uint8_t *buf, uint8_t num)
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{
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|
if((buf == NULL) || (num <= 0)) {
|
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PRINTF("LCD: invalid write values\n");
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return LCD_RGB_ERROR;
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|
}
|
||||||
|
|
||||||
|
i2c_master_enable();
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||||||
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if(i2c_burst_send(LCD_ADDR, buf, num) == I2C_MASTER_ERR_NONE) {
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|
return LCD_RGB_SUCCESS;
|
||||||
|
}
|
||||||
|
return LCD_RGB_ERROR;
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static int
|
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|
lcd_cmd(uint8_t value)
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||||||
|
{
|
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|
uint8_t buf[2];
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buf[0] = LCD_RGB_COMMAND_BYTE;
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|
buf[1] = value;
|
||||||
|
|
||||||
|
if(lcd_write_reg(buf, 2) == LCD_RGB_SUCCESS) {
|
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|
return LCD_RGB_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
PRINTF("LCD: failed to send command 0x%02X\n", value);
|
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|
return LCD_RGB_ERROR;
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
int
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||||||
|
lcd_clear_display(void)
|
||||||
|
{
|
||||||
|
if(lcd_cmd(LCD_RGB_CLEAR_DISPLAY) == LCD_RGB_SUCCESS) {
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||||||
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clock_delay_usec(LCD_RGB_DELAY_2MS);
|
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|
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
168
platform/zoul/dev/rgb-bl-lcd.h
Normal file
|
|
@ -0,0 +1,168 @@
|
||||||
|
/*
|
||||||
|
* 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_ */
|
||||||
|
/**
|
||||||
|
* @}
|
||||||
|
* @}
|
||||||
|
*/
|
||||||
Loading…
Reference in a new issue