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LVGL: Open-source Embedded GUI Library (#669)

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* Add lvgl as main component

* update dev5.2 lvgl branch

* update lvgl 5.2 +update example + update configuration

* Update submodule and example

* update lv_drivers (fix) and example

* fix problem when merge
This commit is contained in:
Zaltora 2019-02-26 21:58:15 +01:00 committed by Johan Kanflo
parent bbc22571ec
commit d0373af5c0
11 changed files with 1173 additions and 0 deletions
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9
.gitmodules vendored
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@ -37,3 +37,12 @@
[submodule "extras/multipwm"]
path = extras/multipwm
url = https://github.com/nochkin/multipwm
[submodule "lvgl/lvgl"]
path = lvgl/lvgl
url = https://github.com/littlevgl/lvgl.git
[submodule "lvgl/lv_drivers"]
path = lvgl/lv_drivers
url = https://github.com/littlevgl/lv_drivers.git
[submodule "lvgl/lv_examples"]
path = lvgl/lv_examples
url = https://github.com/littlevgl/lv_examples.git

4
examples/lvgl_ssd1306/Makefile Normal file
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PROGRAM = LVGL_SSD1306
EXTRA_COMPONENTS = lvgl extras/i2c
include ../../common.mk

316
examples/lvgl_ssd1306/lv_conf.h Normal file
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/**
* @file lv_conf.h
*
*/
#ifndef LV_CONF_H
#define LV_CONF_H
//include complement to LV_TICK_CUSTOM_INCLUDE.
#include "FreeRTOS.h"
/*===================
Dynamic memory
*===================*/
/* Memory size which will be used by the library
* to store the graphical objects and other data */
#define LV_MEM_CUSTOM 1 /*1: use custom malloc/free, 0: use the built-in lv_mem_alloc/lv_mem_free*/
#if LV_MEM_CUSTOM == 0
#define LV_MEM_SIZE (32U * 1024U) /*Size memory used by `lv_mem_alloc` in bytes (>= 2kB)*/
#define LV_MEM_ATTR /*Complier prefix for big array declaration*/
#define LV_MEM_AUTO_DEFRAG 1 /*Automatically defrag on free*/
#else /*LV_MEM_CUSTOM*/
#define LV_MEM_CUSTOM_INCLUDE <stdlib.h> /*Header for the dynamic memory function*/
#define LV_MEM_CUSTOM_ALLOC malloc /*Wrapper to malloc*/
#define LV_MEM_CUSTOM_FREE free /*Wrapper to free*/
#endif /*LV_MEM_CUSTOM*/
/*===================
Graphical settings
*===================*/
/* Horizontal and vertical resolution of the library.*/
#define LV_HOR_RES (128)
#define LV_VER_RES (64)
#define LV_DPI (72)
/* Size of VDB (Virtual Display Buffer: the internal graphics buffer).
* Required for buffered drawing, opacity and anti-aliasing
* VDB makes the double buffering, you don't need to deal with it!
* Typical size: ~1/10 screen */
#define LV_VDB_SIZE (LV_VER_RES * LV_HOR_RES / 2) /*Size of VDB in pixel count (1/10 screen size is good for first)*/
#define LV_VDB_PX_BPP 1 /*Bit-per-pixel of VDB. Useful for monochrome or non-standard color format displays. (Set `disp_drv->vdb_wr` and `disp_drv->vdb_rd` too)*/
#define LV_VDB_ADR 0 /*Place VDB to a specific address (e.g. in external RAM) (0: allocate automatically into RAM; LV_VDB_ADR_INV: to replace it later with `lv_vdb_set_adr()`)*/
/* Use two Virtual Display buffers (VDB) parallelize rendering and flushing (optional)
* The flushing should use DMA to write the frame buffer in the background*/
#define LV_VDB_DOUBLE 0 /*1: Enable the use of 2 VDBs*/
#define LV_VDB2_ADR 0 /*Place VDB2 to a specific address (e.g. in external RAM) (0: allocate automatically into RAM; LV_VDB_ADR_INV: to replace it later with `lv_vdb_set_adr()`)*/
/* Enable anti-aliasing (lines, and radiuses will be smoothed) */
#define LV_ANTIALIAS 0 /*1: Enable anti-aliasing*/
/*Screen refresh settings*/
#define LV_REFR_PERIOD 50 /*Screen refresh period in milliseconds*/
#define LV_INV_FIFO_SIZE 32 /*The average count of objects on a screen */
/*=================
Misc. setting
*=================*/
/*Input device settings*/
#define LV_INDEV_READ_PERIOD 50 /*Input device read period in milliseconds*/
#define LV_INDEV_POINT_MARKER 0 /*Mark the pressed points (required: USE_LV_REAL_DRAW = 1)*/
#define LV_INDEV_DRAG_LIMIT 10 /*Drag threshold in pixels */
#define LV_INDEV_DRAG_THROW 20 /*Drag throw slow-down in [%]. Greater value means faster slow-down */
#define LV_INDEV_LONG_PRESS_TIME 400 /*Long press time in milliseconds*/
#define LV_INDEV_LONG_PRESS_REP_TIME 100 /*Repeated trigger period in long press [ms] */
/*Color settings*/
#define LV_COLOR_DEPTH 1 /*Color depth: 1/8/16/32*/
#define LV_COLOR_16_SWAP 0 /*Swap the 2 bytes of RGB565 color. Useful if the display has a 8 bit interface (e.g. SPI)*/
#define LV_COLOR_SCREEN_TRANSP 0 /*1: Enable screen transparency. Useful for OSD or other overlapping GUIs. Requires ARGB8888 colors*/
#define LV_COLOR_TRANSP LV_COLOR_LIME /*Images pixels with this color will not be drawn (with chroma keying)*/
/*Text settings*/
#define LV_TXT_UTF8 0 /*Enable UTF-8 coded Unicode character usage */
#define LV_TXT_BREAK_CHARS " ,.;:-_" /*Can break texts on these chars*/
/*Graphics feature usage*/
#define USE_LV_ANIMATION 1 /*1: Enable all animations*/
#define USE_LV_SHADOW 0 /*1: Enable shadows*/
#define USE_LV_GROUP 1 /*1: Enable object groups (for keyboards)*/
#define USE_LV_GPU 0 /*1: Enable GPU interface*/
#define USE_LV_REAL_DRAW 1 /*1: Enable function which draw directly to the frame buffer instead of VDB (required if LV_VDB_SIZE = 0)*/
#define USE_LV_FILESYSTEM 1 /*1: Enable file system (required by images*/
/*Compiler settings*/
#define LV_ATTRIBUTE_TICK_INC __attribute__((section(".iram1.text"))) /* Define a custom attribute to `lv_tick_inc` function */
#define LV_ATTRIBUTE_TASK_HANDLER __attribute__((section(".iram1.text"))) /* Define a custom attribute to `lv_task_handler` function */
#define LV_COMPILER_VLA_SUPPORTED 0 /* 1: Variable length array is supported*/
#define LV_COMPILER_NON_CONST_INIT_SUPPORTED 0 /* 1: Initialization with non constant values are supported */
/*HAL settings*/
#define LV_TICK_CUSTOM 1 /*1: use a custom tick source (removing the need to manually update the tick with `lv_tick_inc`) */
#if LV_TICK_CUSTOM == 1
#define LV_TICK_CUSTOM_INCLUDE "task.h"
#define LV_TICK_CUSTOM_SYS_TIME_EXPR (xTaskGetTickCount()*10) /*Expression evaluating to current systime in ms*/
#endif /*LV_TICK_CUSTOM*/
/*Log settings*/
#define USE_LV_LOG 0 /*Enable/disable the log module*/
#if USE_LV_LOG
/* How important log should be added:
* LV_LOG_LEVEL_TRACE A lot of logs to give detailed information
* LV_LOG_LEVEL_INFO Log important events
* LV_LOG_LEVEL_WARN Log if something unwanted happened but didn't caused problem
* LV_LOG_LEVEL_ERROR Only critical issue, when the system may fail
*/
#define LV_LOG_LEVEL LV_LOG_LEVEL_INFO
/* 1: Print the log with 'printf'; 0: user need to register a callback*/
#define LV_LOG_PRINTF 0
#endif /*USE_LV_LOG*/
/*================
* THEME USAGE
*================*/
#define LV_THEME_LIVE_UPDATE 0 /*1: Allow theme switching at run time. Uses 8..10 kB of RAM*/
#define USE_LV_THEME_TEMPL 0 /*Just for test*/
#define USE_LV_THEME_DEFAULT 0 /*Built mainly from the built-in styles. Consumes very few RAM*/
#define USE_LV_THEME_ALIEN 0 /*Dark futuristic theme*/
#define USE_LV_THEME_NIGHT 0 /*Dark elegant theme*/
#define USE_LV_THEME_MONO 0 /*Mono color theme for monochrome displays*/
#define USE_LV_THEME_MATERIAL 0 /*Flat theme with bold colors and light shadows*/
#define USE_LV_THEME_ZEN 0 /*Peaceful, mainly light theme */
#define USE_LV_THEME_NEMO 0 /*Water-like theme based on the movie "Finding Nemo"*/
/*==================
* FONT USAGE
*===================*/
/* More info about fonts: https://littlevgl.com/basics#fonts
* To enable a built-in font use 1,2,4 or 8 values
* which will determine the bit-per-pixel */
#define USE_LV_FONT_DEJAVU_10 1
#define USE_LV_FONT_DEJAVU_10_LATIN_SUP 0
#define USE_LV_FONT_DEJAVU_10_CYRILLIC 0
#define USE_LV_FONT_SYMBOL_10 1
#define USE_LV_FONT_DEJAVU_20 1
#define USE_LV_FONT_DEJAVU_20_LATIN_SUP 0
#define USE_LV_FONT_DEJAVU_20_CYRILLIC 0
#define USE_LV_FONT_SYMBOL_20 1
#define USE_LV_FONT_DEJAVU_30 1
#define USE_LV_FONT_DEJAVU_30_LATIN_SUP 0
#define USE_LV_FONT_DEJAVU_30_CYRILLIC 0
#define USE_LV_FONT_SYMBOL_30 1
#define USE_LV_FONT_DEJAVU_40 0
#define USE_LV_FONT_DEJAVU_40_LATIN_SUP 0
#define USE_LV_FONT_DEJAVU_40_CYRILLIC 0
#define USE_LV_FONT_SYMBOL_40 0
#define USE_LV_FONT_MONOSPACE_8 0
/* Optionally declare your custom fonts here.
* You can use these fonts as default font too
* and they will be available globally. E.g.
* #define LV_FONT_CUSTOM_DECLARE LV_FONT_DECLARE(my_font_1) \
* LV_FONT_DECLARE(my_font_2) \
*/
#define LV_FONT_CUSTOM_DECLARE
#define LV_FONT_DEFAULT &lv_font_dejavu_10 /*Always set a default font from the built-in fonts*/
/*===================
* LV_OBJ SETTINGS
*==================*/
#define LV_OBJ_FREE_NUM_TYPE uint32_t /*Type of free number attribute (comment out disable free number)*/
#define LV_OBJ_FREE_PTR 1 /*Enable the free pointer attribute*/
/*==================
* LV OBJ X USAGE
*================*/
/*
* Documentation of the object types: https://littlevgl.com/object-types
*/
/*****************
* Simple object
*****************/
/*Label (dependencies: -*/
#define USE_LV_LABEL 1
#if USE_LV_LABEL != 0
#define LV_LABEL_SCROLL_SPEED 25 /*Hor, or ver. scroll speed [px/sec] in 'LV_LABEL_LONG_SCROLL/ROLL' mode*/
#endif
/*Image (dependencies: lv_label*/
#define USE_LV_IMG 1
#if USE_LV_IMG != 0
#define LV_IMG_CF_INDEXED 1 /*Enable indexed (palette) images*/
#define LV_IMG_CF_ALPHA 1 /*Enable alpha indexed images*/
#endif
/*Line (dependencies: -*/
#define USE_LV_LINE 1
/*Arc (dependencies: -)*/
#define USE_LV_ARC 1
/*******************
* Container objects
*******************/
/*Container (dependencies: -*/
#define USE_LV_CONT 1
/*Page (dependencies: lv_cont)*/
#define USE_LV_PAGE 1
/*Window (dependencies: lv_cont, lv_btn, lv_label, lv_img, lv_page)*/
#define USE_LV_WIN 1
/*Tab (dependencies: lv_page, lv_btnm)*/
#define USE_LV_TABVIEW 1
#if USE_LV_TABVIEW != 0
#define LV_TABVIEW_ANIM_TIME 300 /*Time of slide animation [ms] (0: no animation)*/
#endif
/*************************
* Data visualizer objects
*************************/
/*Bar (dependencies: -)*/
#define USE_LV_BAR 1
/*Line meter (dependencies: *;)*/
#define USE_LV_LMETER 1
/*Gauge (dependencies:bar, lmeter)*/
#define USE_LV_GAUGE 1
/*Chart (dependencies: -)*/
#define USE_LV_CHART 1
/*LED (dependencies: -)*/
#define USE_LV_LED 1
/*Message box (dependencies: lv_rect, lv_btnm, lv_label)*/
#define USE_LV_MBOX 1
/*Text area (dependencies: lv_label, lv_page)*/
#define USE_LV_TA 1
#if USE_LV_TA != 0
#define LV_TA_CURSOR_BLINK_TIME 400 /*ms*/
#define LV_TA_PWD_SHOW_TIME 1500 /*ms*/
#endif
/*Calendar (dependencies: -)*/
#define USE_LV_CALENDAR 1
/*Preload (dependencies: arc)*/
#define USE_LV_PRELOAD 1
#if USE_LV_PRELOAD != 0
#define LV_PRELOAD_DEF_ARC_LENGTH 60 /*[deg]*/
#define LV_PRELOAD_DEF_SPIN_TIME 1000 /*[ms]*/
#endif
/*************************
* User input objects
*************************/
/*Button (dependencies: lv_cont*/
#define USE_LV_BTN 1
#if USE_LV_BTN != 0
#define LV_BTN_INK_EFFECT 1 /*Enable button-state animations - draw a circle on click (dependencies: USE_LV_ANIMATION)*/
#endif
/*Image Button (dependencies: lv_btn*/
#define USE_LV_IMGBTN 1
/*Button matrix (dependencies: -)*/
#define USE_LV_BTNM 1
/*Keyboard (dependencies: lv_btnm)*/
#define USE_LV_KB 1
/*Check box (dependencies: lv_btn, lv_label)*/
#define USE_LV_CB 1
/*List (dependencies: lv_page, lv_btn, lv_label, (lv_img optionally for icons ))*/
#define USE_LV_LIST 1
#if USE_LV_LIST != 0
#define LV_LIST_FOCUS_TIME 100 /*Default animation time of focusing to a list element [ms] (0: no animation) */
#endif
/*Drop down list (dependencies: lv_page, lv_label)*/
#define USE_LV_DDLIST 1
#if USE_LV_DDLIST != 0
#define LV_DDLIST_ANIM_TIME 200 /*Open and close default animation time [ms] (0: no animation)*/
#endif
/*Roller (dependencies: lv_ddlist)*/
#define USE_LV_ROLLER 1
#if USE_LV_ROLLER != 0
#define LV_ROLLER_ANIM_TIME 200 /*Focus animation time [ms] (0: no animation)*/
#endif
/*Slider (dependencies: lv_bar)*/
#define USE_LV_SLIDER 1
/*Switch (dependencies: lv_slider)*/
#define USE_LV_SW 1
/*************************
* Non-user section
*************************/
#ifdef _MSC_VER /* Disable warnings for Visual Studio*/
# define _CRT_SECURE_NO_WARNINGS
#endif
#endif /*LV_CONF_H*/

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examples/lvgl_ssd1306/lv_drv_conf.h Normal file
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/**
* @file lv_drv_conf.h
*
*/
#if 1 /*Remove this to enable the content*/
#ifndef LV_DRV_CONF_H
#define LV_DRV_CONF_H
#include "lv_conf.h"
/*********************
* INCLUDES
*********************/
/* Add specific sdk include here */
#include <espressif/esp_common.h>
#include <FreeRTOS.h>
#include <task.h>
#include <semphr.h>
#include <i2c/i2c.h>
#include <esp/gpio.h>
#include <esp/spi.h>
/*********************
* DEFINES
*********************/
/* Disable with 0 if driver don't use an specific api */
#define LV_DRIVER_ENABLE_COMMON 1
#define LV_DRIVER_ENABLE_DELAY 1
#define LV_DRIVER_ENABLE_I2C 1
#define LV_DRIVER_ENABLE_SPI 1
#define LV_DRIVER_ENABLE_PAR 1
/* use this macro if you want ignore a gpio write/read. e.g: spi.cs = LV_DRIVER_NOPIN */
#define LV_DRIVER_NOPIN (0xFF)
/* use this macro to add specific attribute to function call into an interupt routines */
#define INTERUPT_ATTRIBUTE __attribute__((section(".iram1.text")))
/**********************
* TYPEDEFS
**********************/
/* You can use a pointer handler or just a id number to reder to a device
* e.g: typedef const uint8_t lv_gpio_handle_t if you need just a bus id
* You can use device descriptor from your sdk too.
*/
//typedef const void* lv_gpio_handle_t ;
//typedef const void* lv_i2c_handle_t ;
//typedef const void* lv_spi_handle_t ;
typedef const void* lv_par_handle_t ;
typedef const void* lv_uart_handle_t ;
typedef struct {
uint8_t bus;
uint8_t cs;
uint8_t dc;
spi_settings_t *s; //XXX:experimental for multi spi device
SemaphoreHandle_t* mutex; //XXX:experimental for multi spi device
} lv_spi_dev_t, *lv_spi_handle_t;
typedef const i2c_dev_t *lv_i2c_handle_t ;
typedef uint8_t lv_gpio_handle_t ;
/*********************
* HAL INTERFACE
*********************/
/*
* All used peripherals must be initialized in user application, library only
* manipulate them.
* You can use a device descriptor from your SDK or do your own in this file too.
* example:
* typedef struct lv_spi_dev_t { .... };
*/
/*------------
* Delay
*------------*/
#if LV_DRIVER_ENABLE_DELAY
/**
* Delay the given number of microseconds
* @param us Time to wait in us
*/
static inline void lv_delay_us(const uint32_t us)
{
sdk_os_delay_us(us);
}
/**
* Delay the given number of milliseconds
* @param ms Time to wait in ms
*/
static inline void lv_delay_ms(const uint32_t ms)
{
if (ms/portTICK_PERIOD_MS) //if we wait more than a tick, use vTaskDelay
{
vTaskDelay(((ms-1)/portTICK_PERIOD_MS)+1); //Round superior
return;
}
for (uint32_t x = 0 ; x < ms ; x++)
{
sdk_os_delay_us(1000);
}
}
/**
* Return system time
* @return system time (ms)
*/
static inline uint32_t lv_get_ms()
{
return xTaskGetTickCount()*portTICK_PERIOD_MS;
}
#endif
/*------------
* Common
*------------*/
#if LV_DRIVER_ENABLE_COMMON
/**
* Change a pin level
* @param pin gpio Number
* @param val Level to set
*/
static inline void lv_gpio_write(lv_gpio_handle_t gpio, const uint8_t val)
{
gpio_write(gpio, val);
}
/**
* Read current level gpio
* @param pin gpio to read
* @return gpio value
*/
static inline uint8_t lv_gpio_read(lv_gpio_handle_t gpio)
{
return gpio_read(gpio);
}
#endif
/*---------
* UART
*---------*/
/**
* Do a uart write transmission.
* @param uart_dev Pointer to uart device
* @param data_out Pointer to data buffer to send if non-null
* @param datalen Number of data byte to send
* @return Non-Zero if error occured
*/
static inline int lv_uart_write(lv_uart_handle_t uart_dev, const void* data_out, uint16_t datalen)
{
return -1;
}
/**
* Do a uart read transmission
* @param uart_dev Pointer to uart device
* @param data_out Pointer to data buffer to send if non-null
* @param datalen Number of data byte to read
* @return Non-Zero if error occured
*/
static inline int lv_uart_read(lv_uart_handle_t uart_dev, void* data_in, uint16_t datalen)
{
return -1;
}
/*---------
* I2C
*---------*/
#if LV_DRIVER_ENABLE_I2C
/**
* Do a I2C write transmission on 8 bits register device.
* @param i2c_dev Pointer to i2c device
* @param reg Pointer to register address to send if non-null
* @param data_out Pointer to data buffer to send if non-null
* @param datalen Number of data byte to send
* @return Non-Zero if error occured
*/
static inline int lv_i2c_write(lv_i2c_handle_t i2c_dev, const uint8_t* reg, const void* data_out, uint16_t datalen)
{
return i2c_slave_write(i2c_dev->bus, i2c_dev->addr, reg, (uint8_t*)data_out, datalen);
}
/**
* Do a I2C read transmission on 8 bits register device.
* @param i2c_dev Pointer to i2c device
* @param reg Pointer to register address to send if non-null
* @param data_out Pointer to data buffer to send if non-null
* @param datalen Number of data byte to send
* @return Non-Zero if error occured
*/
static inline int lv_i2c_read(lv_i2c_handle_t i2c_dev, const uint8_t* reg, void* data_in, uint16_t datalen)
{
return i2c_slave_read(i2c_dev->bus, i2c_dev->addr, reg, (uint8_t*)data_in, datalen);
}
/**
* Do a I2C write transmissionon 16 bits register device
* @param i2c_dev Pointer to i2c device
* @param reg Pointer to register address to send if non-null
* @param data_out Pointer to data buffer to send if non-null
* @param datalen Number of data byte to send
* @return Non-Zero if error occured
*/
static inline int lv_i2c_write16(lv_i2c_handle_t i2c_dev, const uint16_t* reg, const void* data_out, uint16_t datalen)
{
return -1;
}
/**
* Do a I2C write transmissionon 16 bits register device.
* @param i2c_dev Pointer to i2c device
* @param reg Pointer to register address to send if non-null
* @param data_out Pointer to data buffer to send if non-null
* @param datalen Number of data byte to send
* @return Non-Zero if error occured
*/
static inline int lv_i2c_read16(lv_i2c_handle_t i2c_dev, const uint16_t* reg, void* data_in, uint16_t datalen)
{
return -1;
}
#endif
/*---------
* SPI
*---------*/
#if LV_DRIVER_ENABLE_SPI
typedef enum {
LV_SPI_COMMAND,
LV_SPI_ADDRESS,
LV_SPI_DUMMY,
} lv_spi_reg_t;
/**
* Control SPI cs pin.
* @param spi_dev Pointer to spi device
* @param lvl Gpio Level
*/
static inline void lv_spi_wr_cs(lv_spi_handle_t spi_dev, uint8_t lvl)
{
gpio_write(spi_dev->cs, lvl);
}
/**
* Control SPI dc pin.
* @param spi_dev Pointer to spi device
* @param lvl Gpio Level
*/
static inline void lv_spi_wr_dc(lv_spi_handle_t spi_dev, uint8_t lvl)
{
gpio_write(spi_dev->dc, lvl);
}
/**
* Do a SPI transaction .
* @param spi_dev Pointer to spi device
* @param data_in Receive buffer. If NULL, received data will be lost.
* @param data_out Data to send buffer. If NULL, it will only receive data.
* @param len Buffer size in words
* @param word_size Size of the word in byte
* @return Non-Zero if error occured
*/
static inline int lv_spi_transaction(lv_spi_handle_t spi_dev, void* data_in, const void* data_out, uint16_t len, uint8_t word_size)
{
spi_transfer(spi_dev->bus, data_out, data_in, len, word_size);
return 0;
}
/**
* Do a SPI repeat send.
* @param spi_dev Pointer to spi device
* @param template Pointer toTemplate to send throw spi.
* @param repeats Copy number
* @param template_size Size of the template in byte
* @return Non-Zero if error occured
*/
static inline int lv_spi_repeat(lv_spi_handle_t spi_dev, const void* template, uint32_t repeats, uint8_t template_size)
{
uint32_t data = 0;
if(!template)
{
template = (void*)&data ;
}
switch (template_size)
{
case 1:
spi_repeat_send_8(spi_dev->bus,*(uint8_t*)template,repeats);
break;
case 2:
spi_repeat_send_16(spi_dev->bus,*(uint16_t*)template,repeats);
break;
case 4:
spi_repeat_send_32(spi_dev->bus,*(uint32_t*)template,repeats);
break;
default:
return -1;
break;
}
return 0;
}
/**
* Set command to send for spi transaction
* @param spi_dev Pointer to spi device
* @param reg SPI register to set (dummy/command/address)
* @param value Value
* @param bits Bits number
* @return Non-Zero if error occured
*/
static inline int lv_spi_set_preemble(lv_spi_handle_t spi_dev, lv_spi_reg_t reg, uint32_t value, uint8_t bits)
{
switch(reg) {
case LV_SPI_COMMAND:
spi_set_command(spi_dev->bus, bits, value);
break;
case LV_SPI_ADDRESS:
spi_set_address(spi_dev->bus, bits, value);
break;
case LV_SPI_DUMMY:
spi_set_dummy_bits(spi_dev->bus, bits, false);
break;
default:
return -1;
break;
}
return 0;
}
/**
* Clear spi bus command
* @param spi_dev Pointer to spi device
* @param reg SPI register to clear (dummy/command/address)
* @return Non-Zero if error occured
*/
static inline int lv_spi_clr_preemble(lv_spi_handle_t spi_dev, lv_spi_reg_t reg)
{
switch(reg) {
case LV_SPI_COMMAND:
spi_clear_command(spi_dev->bus);
break;
case LV_SPI_ADDRESS:
spi_clear_address(spi_dev->bus);
break;
case LV_SPI_DUMMY:
spi_clear_dummy(spi_dev->bus);
break;
default:
return -1;
break;
}
return 0;
}
#endif
/*------------------
* Parallel port
*-----------------*/
#if LV_DRIVER_ENABLE_PAR
/**
* Control Parallel cs pin.
* @param par_dev Pointer to parallel device
* @param lvl Gpio Level
*/
static inline void lv_par_wr_cs(lv_par_handle_t par_dev, uint8_t lvl)
{
return;
}
/**
* Control Parallel dc pin.
* @param par_dev Pointer to parallel device
* @param lvl Gpio Level
*/
static inline void lv_par_wr_dc(lv_par_handle_t par_dev, uint8_t lvl)
{
return;
}
/**
* Do a Parallel port write.
* @param par_dev Pointer to parallel port device
* @param data_out Pointer to data buffer to send
* @param len Buffer size in words
* @param word_size Size of the word in byte
* @return Non-Zero if error occured
*/
static inline int lv_par_write(lv_par_handle_t par_dev, const void* data_out, uint16_t len, uint8_t word_size)
{
return -1;
}
/**
* Do a Parallel port read.
* @param par_dev Pointer to parallel port device
* @param data_in Pointer to data buffer to read
* @param len Buffer size in words
* @param word_size Size of the word in byte
* @return Non-Zero if error occured
*/
static inline int lv_par_read(lv_par_handle_t par_dev, void* data_in, uint16_t len, uint8_t word_size)
{
return -1;
}
#endif
/*********************
* DISPLAY DRIVERS
*********************/
/*-------------------
* Monitor of PC
*-------------------*/
#define USE_MONITOR 0
#if USE_MONITOR
#define MONITOR_HOR_RES LV_HOR_RES
#define MONITOR_VER_RES LV_HOR_VER
#endif
/*----------------
* SSD1963
*--------------*/
#define USE_SSD1963 0
#if USE_SSD1963
#define SSD1963_HOR_RES LV_HOR_RES
#define SSD1963_VER_RES LV_VER_RES
#define SSD1963_HDP 479
#define SSD1963_HT 531
#define SSD1963_HPS 43
#define SSD1963_LPS 8
#define SSD1963_HPW 10
#define SSD1963_VDP 271
#define SSD1963_VT 288
#define SSD1963_VPS 12
#define SSD1963_FPS 4
#define SSD1963_VPW 10
#define SSD1963_HS_NEG 0 /*Negative hsync*/
#define SSD1963_VS_NEG 0 /*Negative vsync*/
#define SSD1963_ORI 0 /*0, 90, 180, 270*/
#define SSD1963_COLOR_DEPTH 16
#endif
/*----------------
* ILI9341
*--------------*/
#define USE_ILI9341 0
#if USE_ILI9341
#define ILI9341_DEBUG 0
#define ILI9341_ERR_CHECK 1
#define ILI9341_PAR_SUPPORT 1
#define ILI9341_SPI4WIRE_SUPPORT 1
#define ILI9341_SPI3WIRE_SUPPORT 1
#define ILI9341_EXTC_SUPPORT (0)
#define ILI9341_COLOR (65) //Color Mode : 65K or 262K
#define ILI9341_MAX_SAMPLE (32) //Buffer spi is 64, so select 32 for 2byte per pixel
#define ILI9341_SERIAL_BYTESWAP (0) // { 0 : None, 1: CPU Swap, 2: ILI9341 swap }
#endif
/*----------------
* SSD1306
*--------------*/
#define USE_SSD1306 1
#if USE_SSD1306
#define SSD1306_HOR_RES LV_HOR_RES
#define SSD1306_VER_RES LV_VER_RES
#define SSD1306_DEBUG 0
#define SSD1306_ERR_CHECK 0
#define SSD1306_I2C_SUPPORT 1
#define SSD1306_SPI_4_WIRE_SUPPORT 1
#define SSD1306_SPI_3_WIRE_SUPPORT 1
#endif
/*----------------
* R61581
*--------------*/
#define USE_R61581 0
#if USE_R61581 != 0
#define R61581_HOR_RES LV_HOR_RES
#define R61581_VER_RES LV_VER_RES
#define R61581_HDP 479
#define R61581_HT 531
#define R61581_HPS 43
#define R61581_LPS 8
#define R61581_HPW 10
#define R61581_VDP 271
#define R61581_VT 319
#define R61581_VPS 12
#define R61581_FPS 4
#define R61581_VPW 10
#define R61581_HS_NEG 0 /*Negative hsync*/
#define R61581_VS_NEG 0 /*Negative vsync*/
#define R61581_ORI 180 /*0, 90, 180, 270*/
#define R61581_LV_COLOR_DEPTH 16
#endif
/*------------------------------
* ST7565 (Monochrome, low res.)
*-----------------------------*/
#define USE_ST7565 0
#if USE_ST7565 != 0
/*No settings*/
#endif /*USE_ST7565*/
/*-----------------------------------------
* Linux frame buffer device (/dev/fbx)
*-----------------------------------------*/
#define USE_FBDEV 0
#if USE_FBDEV != 0
#define FBDEV_PATH "/dev/fb0"
#endif
/*====================
* Input devices
*===================*/
/*--------------
* AR1000
*--------------*/
#define USE_AR10XX (1)
#if (USE_AR10XX != 0)
#define AR10XX_SPI_SUPPORT (1)
#define AR10XX_I2C_SUPPORT (1)
#define AR10XX_UART_SUPPORT (0)
#define AR10XX_DEBUG (1)
#define AR10XX_ERR_CHECK (0)
#define AR10XX_VERIFY_ANSWER (1)
#define AR10XX_USE_IRQ (0)
#define AR10XX_COMPONENT (21) // Version of XX (10, 11, 20 , 21)
#endif
/*--------------
* XPT2046
*--------------*/
#define USE_XPT2046 0
#if USE_XPT2046 != 0
#define XPT2046_HOR_RES 480
#define XPT2046_VER_RES 320
#define XPT2046_X_MIN 200
#define XPT2046_Y_MIN 200
#define XPT2046_X_MAX 3800
#define XPT2046_Y_MAX 3800
#define XPT2046_AVG 4
#define XPT2046_INV 0
#endif
/*-----------------
* FT5406EE8
*-----------------*/
#define USE_FT5406EE8 0
#if USE_FT5406EE8
#define FT5406EE8_I2C_ADR 0x38 /*7 bit address*/
#endif
/*-------------------------------
* Mouse or touchpad on PC
*------------------------------*/
#define USE_MOUSE 0
#if USE_MOUSE
/*No settings*/
#endif
/*-------------------------------
* Keyboard of a PC
*------------------------------*/
#define USE_KEYBOARD 0
#if USE_KEYBOARD
/*No settings*/
#endif
#endif /*LV_DRV_CONF_H*/
#endif /*Remove this to enable the content*/

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#include <espressif/esp_common.h>
#include <esp/uart.h>
#include <FreeRTOS.h>
#include <task.h>
#include <queue.h>
#include <timers.h>
#include <string.h>
#include "lv_conf.h"
#include "lvgl/lvgl.h"
#include "lv_drivers/display/SSD1306.h"
#define I2C_CONNECTION false
#define TICK_HANDLER false
#define OVERCLOCK false
#define TICK_INC_MS (10)
#define RST_PIN (LV_DRIVER_NOPIN)
#define SECOND (1000 / portTICK_PERIOD_MS)
#if (I2C_CONNECTION)
#include <i2c/i2c.h>
#endif
#if (I2C_CONNECTION)
#define PROTOCOL SSD1306_PROTO_I2C
#define ADDR SSD1306_I2C_ADDR_0
#define I2C_BUS 0
#define SCL_PIN 5
#define SDA_PIN 4
const static i2c_dev_t i2c_dev =
{
.bus = I2C_BUS,
.addr = ADDR
};
#else
#define PROTOCOL SSD1306_PROTO_SPI3
#define SPI_BUS 1
#define CS_PIN 15
#define DC_PIN 4
/*Delare bus descriptor */
const static lv_spi_dev_t spi_dev =
{
.bus = SPI_BUS,
.cs = CS_PIN,
.dc = DC_PIN,
};
#endif
/* Declare device descriptor */
static ssd1306_t dev;
TimerHandle_t fps_timer_handle = NULL; // Timer handler
TimerHandle_t font_timer_handle = NULL;
TimerHandle_t lvgl_timer_handle = NULL;
static lv_style_t style;
static lv_obj_t * label;
static void ssd1306_task(void *pvParameters)
{
printf("%s: Started user interface task\n", __FUNCTION__);
vTaskDelay(SECOND);
ssd1306_set_whole_display_lighting(&dev, false);
//Set a style for the obj
lv_style_copy(&style, &lv_style_transp);
style.text.font = &lv_font_dejavu_10; /*Unicode and symbol fonts already assigned by the library*/
style.text.color.full = 1;
style.text.opa = 255;
style.body.main_color.full = 0;
style.body.grad_color.full = 0;
style.body.shadow.color.full = 0;
style.body.border.color.full = 0;
style.body.empty = 1;
style.image.color.full = 1;
style.image.intense = 255;
style.image.opa = 255;
style.line.color.full = 1;
style.line.opa = 255;
style.line.width = 1;
style.line.rounded = false;
//Create main screen obj
lv_obj_t * scr = lv_obj_create(NULL, NULL);
lv_scr_load(scr);
lv_obj_set_style(scr, &style);
//Create a simple label
label = lv_label_create(lv_scr_act(), NULL);
lv_obj_set_style(label, &style);
lv_obj_align(label, lv_scr_act(), LV_ALIGN_IN_TOP_LEFT, 0, 0);
lv_label_set_long_mode(label, LV_LABEL_LONG_BREAK);
lv_label_set_align(label, LV_LABEL_ALIGN_CENTER);
lv_label_set_text(label, "lvgl work with esp-open-rtos");
lv_obj_set_width(label, LV_HOR_RES);
while (1) {
/*draw system call */
lv_task_handler();
vTaskDelay(1);
}
}
void font_timer(TimerHandle_t h)
{
static uint8_t index = 0;
if (index >= 2)
index=0;
else
index++;
switch (index) {
case 0:
style.text.font = &lv_font_dejavu_10;
break;
case 1:
style.text.font = &lv_font_dejavu_20;
break;
case 2:
style.text.font = &lv_font_dejavu_30;
break;
default:
break;
}
lv_label_set_style(label, &style);
printf("Selected builtin font %d\n", index);
}
#if (!LV_TICK_CUSTOM)
#if (TICK_HANDLER)
void IRAM vApplicationTickHook(void) {
lv_tick_inc(portTICK_PERIOD_MS);
}
#else
void lvgl_timer(TimerHandle_t xTimerHandle)
{
lv_tick_inc(TICK_INC_MS);
}
#endif
#endif
void user_init(void)
{
#if (OVERCLOCK)
sdk_system_update_cpu_freq(160);
#endif
// Setup HW
uart_set_baud(0, 115200);
printf("SDK version:%s\n", sdk_system_get_sdk_version());
#if (I2C_CONNECTION)
i2c_init(I2C_BUS, SCL_PIN, SDA_PIN, I2C_FREQ_400K);
#else
#if (CS_PIN == 15)
spi_init(SPI_BUS, SPI_MODE0, SPI_FREQ_DIV_8M, true, SPI_LITTLE_ENDIAN, false);
#else
spi_init(SPI_BUS, SPI_MODE0, SPI_FREQ_DIV_8M, true, SPI_LITTLE_ENDIAN, true);
gpio_enable(CS_PIN, GPIO_OUTPUT);
#endif
#endif
#if (RST_PIN != LV_DRIVER_NOPIN)
gpio_enable(RST_PIN, GPIO_OUTPUT);
#endif
/*Gui initialization*/
lv_init();
/*Screen initialization*/
#if (I2C_CONNECTION)
dev.i2c_dev = (lv_i2c_handle_t)&i2c_dev;
#else
dev.spi_dev = (lv_spi_handle_t)&spi_dev;
#endif
dev.protocol = PROTOCOL ; //SSD1306_PROTO_SPI3;
dev.screen = SH1106_SCREEN; //SSD1306_SCREEN, SH1106_SCREEN
dev.width = LV_HOR_RES;
dev.height = LV_VER_RES;
dev.rst_pin = RST_PIN; //No RST PIN USED
while (ssd1306_init(&dev) != 0) {
printf("%s: failed to init SSD1306 lcd\n", __func__);
vTaskDelay(SECOND);
}
ssd1306_set_whole_display_lighting(&dev, true);
/*inverse screen (180°) */
ssd1306_set_scan_direction_fwd(&dev,true);
ssd1306_set_segment_remapping_enabled(&dev, false);
vTaskDelay(SECOND);
/*lvgl screen registration */
lv_disp_drv_t disp_drv;
lv_disp_drv_init(&disp_drv);
/*Set up the functions to access to your display*/
disp_drv.disp_flush = ssd1306_flush; /*Used in buffered mode (LV_VDB_SIZE != 0 in lv_conf.h)*/
disp_drv.disp_fill = NULL;//ex_disp_fill; /*Used in unbuffered mode (LV_VDB_SIZE == 0 in lv_conf.h)*/
disp_drv.disp_map = NULL;//ex_disp_map; /*Used in unbuffered mode (LV_VDB_SIZE == 0 in lv_conf.h)*/
disp_drv.vdb_wr = ssd1306_vdb_wr;
lv_disp_drv_register(&disp_drv);
/* Create user interface task */
xTaskCreate(ssd1306_task, "ssd1306_task", 512, NULL, 2, NULL);
font_timer_handle = xTimerCreate("font_timer", 5 * SECOND, pdTRUE, NULL, font_timer);
xTimerStart(font_timer_handle, 0);
#if (!TICK_HANDLER && !LV_TICK_CUSTOM)
lvgl_timer_handle = xTimerCreate("lvgl_timer", TICK_INC_MS/portTICK_PERIOD_MS, pdTRUE, NULL, lvgl_timer);
xTimerStart(lvgl_timer_handle, 0);
#endif
}

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# Component makefile for lvgl/lvgl
# expected anyone using this driver includes it as 'lvgl/lvgl.h'
INC_DIRS += $(lvgl_ROOT)
# args for passing into compile rule generation
lvgl_SRC_DIR = $(lvgl_ROOT) \
$(lvgl_ROOT)/lvgl \
$(lvgl_ROOT)/lvgl/lv_core \
$(lvgl_ROOT)/lvgl/lv_draw \
$(lvgl_ROOT)/lvgl/lv_hal \
$(lvgl_ROOT)/lvgl/lv_misc \
$(lvgl_ROOT)/lvgl/lv_fonts \
$(lvgl_ROOT)/lvgl/lv_objx \
$(lvgl_ROOT)/lvgl/lv_themes \
$(lvgl_ROOT)/lv_drivers/display \
$(lvgl_ROOT)/lv_drivers/indev
LVGL_DIR := $(dir $(lastword $(MAKEFILE_LIST)))
#EXTRA_CFLAGS += -DLV_CONF_INCLUDE_SIMPLE=1
#include $(LVGL_DIR)defaults.mk
#
#fonts_CFLAGS = $(CFLAGS) \
-DLV_HOR_RES=$(LV_HOR_RES) \
-DLV_VER_RES=$(LV_VER_RES) \
-DLV_DPI=$(LV_DPI) \
-DLV_VDB_SIZE=$(LV_VDB_SIZE) \
-DLV_VDB_ADR=$(LV_VDB_ADR) \
-DLV_VDB_DOUBLE=$(LV_VDB_DOUBLE) \
-DLV_VDB2_ADR=$(LV_VDB2_ADR) \
-DLV_ANTIALIAS=$(LV_ANTIALIAS) \
-DLV_FONT_ANTIALIAS=$(LV_FONT_ANTIALIAS) \
-DLV_REFR_PERIOD=$(LV_REFR_PERIOD)
$(eval $(call component_compile_rules,lvgl))

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lvgl/lv_conf.h Normal file
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/* Use the defaults for everything else */
#include_next <lv_conf.h>

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lvgl/lv_drivers Submodule

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Subproject commit 8fe0804ceb875193a37106a2e25d07c106650a86

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lvgl/lv_drv_conf.h Normal file
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/* Use the defaults for everything else */
#include_next <lv_drv_conf.h>

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lvgl/lv_examples Submodule

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Subproject commit c3afbc9819f5492a7fe7e7e18a37df95fb60f449

1
lvgl/lvgl Submodule

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Subproject commit 41695bf9ac758ae3276424e06308e1bb89c4c019