New file |
| | |
| | | #define _GNU_SOURCE |
| | | #include <errno.h> |
| | | #include <fcntl.h> |
| | | #include <stdbool.h> |
| | | #include <stdint.h> |
| | | #include <stdio.h> |
| | | #include <stdlib.h> |
| | | #include <string.h> |
| | | #include <sys/mman.h> |
| | | #include <time.h> |
| | | #include <unistd.h> |
| | | #include <xf86drm.h> |
| | | #include <xf86drmMode.h> |
| | | |
| | | struct buffer_object { |
| | | |
| | | uint32_t width; |
| | | uint32_t height; |
| | | uint32_t pitch; |
| | | uint32_t handle; |
| | | uint32_t size; |
| | | uint32_t *vaddr; |
| | | uint32_t fb_id; |
| | | }; |
| | | |
| | | struct buffer_object buf[3]; |
| | | |
| | | static int modeset_create_fb(int fd, struct buffer_object *bo, uint32_t color) |
| | | { |
| | | |
| | | struct drm_mode_create_dumb create = { |
| | | }; |
| | | struct drm_mode_map_dumb map = { |
| | | }; |
| | | uint32_t i; |
| | | |
| | | create.width = bo->width; |
| | | create.height = bo->height; |
| | | create.bpp = 32; |
| | | drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &create); |
| | | |
| | | bo->pitch = create.pitch; |
| | | bo->size = create.size; |
| | | bo->handle = create.handle; |
| | | drmModeAddFB(fd, bo->width, bo->height, 24, 32, bo->pitch, |
| | | bo->handle, &bo->fb_id); |
| | | |
| | | map.handle = create.handle; |
| | | drmIoctl(fd, DRM_IOCTL_MODE_MAP_DUMB, &map); |
| | | |
| | | bo->vaddr = mmap(0, create.size, PROT_READ | PROT_WRITE, |
| | | MAP_SHARED, fd, map.offset); |
| | | |
| | | for (i = 0; i < (bo->size / 4); i++) |
| | | bo->vaddr[i] = color; |
| | | |
| | | return 0; |
| | | } |
| | | |
| | | static void modeset_destroy_fb(int fd, struct buffer_object *bo) |
| | | { |
| | | |
| | | struct drm_mode_destroy_dumb destroy = { |
| | | }; |
| | | |
| | | drmModeRmFB(fd, bo->fb_id); |
| | | |
| | | munmap(bo->vaddr, bo->size); |
| | | |
| | | destroy.handle = bo->handle; |
| | | drmIoctl(fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy); |
| | | } |
| | | |
| | | int main(int argc, char **argv) |
| | | { |
| | | char *dri_card="/dev/dri/card0"; |
| | | int fd; |
| | | uint32_t conn_id; |
| | | uint32_t crtc_id; |
| | | drmModeConnector *conn; |
| | | drmModeRes *res; |
| | | |
| | | if( argc != 2 ) |
| | | { |
| | | printf("Usage: %s /dev/dri/card0\n", argv[0]); |
| | | return 1; |
| | | } |
| | | else |
| | | { |
| | | dri_card = argv[1]; |
| | | } |
| | | |
| | | fd = open(dri_card, O_RDWR | O_CLOEXEC); |
| | | if( fd < 0) |
| | | { |
| | | printf("Open '%s' failure: %s\n", dri_card, strerror(errno)); |
| | | return 0; |
| | | } |
| | | |
| | | res = drmModeGetResources(fd); |
| | | if( !res ) |
| | | { |
| | | printf("drmModeGetResources() failure\n"); |
| | | return 0; |
| | | } |
| | | |
| | | crtc_id = res->crtcs[0]; |
| | | conn_id = res->connectors[0]; |
| | | |
| | | conn = drmModeGetConnector(fd, conn_id); |
| | | if( !conn ) |
| | | { |
| | | printf("drmModeGetConnector() failure\n"); |
| | | return 0; |
| | | } |
| | | |
| | | buf[0].width = conn->modes[0].hdisplay; |
| | | buf[0].height = conn->modes[0].vdisplay; |
| | | buf[1].width = conn->modes[0].hdisplay; |
| | | buf[1].height = conn->modes[0].vdisplay; |
| | | buf[2].width = conn->modes[0].hdisplay; |
| | | buf[2].height = conn->modes[0].vdisplay; |
| | | |
| | | printf("DRM create framebuffer now.\n"); |
| | | modeset_create_fb(fd, &buf[0], 0xff0000); |
| | | modeset_create_fb(fd, &buf[1], 0x00ff00); |
| | | modeset_create_fb(fd, &buf[2], 0x0000ff); |
| | | |
| | | printf("Show red screen on LCD.\n"); |
| | | drmModeSetCrtc(fd, crtc_id, buf[0].fb_id, 0, 0, &conn_id, 1, &conn->modes[0]); |
| | | getchar(); |
| | | |
| | | printf("Show green screen on LCD.\n"); |
| | | drmModeSetCrtc(fd, crtc_id, buf[1].fb_id, 0, 0, &conn_id, 1, &conn->modes[0]); |
| | | getchar(); |
| | | |
| | | printf("Show blue screen on LCD.\n"); |
| | | drmModeSetCrtc(fd, crtc_id, buf[2].fb_id, 0, 0, &conn_id, 1, &conn->modes[0]); |
| | | getchar(); |
| | | |
| | | printf("DRM destroy framebuffer now.\n"); |
| | | modeset_destroy_fb(fd, &buf[0]); |
| | | modeset_destroy_fb(fd, &buf[1]); |
| | | modeset_destroy_fb(fd, &buf[2]); |
| | | |
| | | drmModeFreeConnector(conn); |
| | | return 0; |
| | | drmModeFreeResources(res); |
| | | |
| | | close(fd); |
| | | |
| | | return 0; |
| | | } |
| | | |
New file |
| | |
| | | #!/bin/bash |
| | | |
| | | function do_compile |
| | | { |
| | | for dir in `ls` |
| | | do |
| | | if [ -f $dir/build*.sh ] ; then |
| | | cd $dir |
| | | ./build*.sh |
| | | cd - |
| | | fi |
| | | done |
| | | } |
| | | |
| | | function do_distclean |
| | | { |
| | | for dir in `ls` |
| | | do |
| | | if [ -f $dir/build*.sh ] ; then |
| | | rm -rf ${dir}/${dir}* |
| | | fi |
| | | done |
| | | } |
| | | |
| | | if [ $# == 1 ] ; then |
| | | if [ $1 == "clean" ] ; then |
| | | rm -rf install |
| | | exit; |
| | | elif [ $1 == "distclean" ] ; then |
| | | rm -rf install |
| | | do_distclean |
| | | exit; |
| | | fi |
| | | |
| | | # export cross compiler |
| | | if echo $1 | grep "\-linux\-" > /dev/null 2>&1 ; then |
| | | export CROSS_COMPILE=$1 |
| | | echo -e "\033[40;33m --W-- export cross compiler $CROSS_COMPILE \033[0m\n" |
| | | fi |
| | | fi |
| | | |
| | | |
| | | do_compile |
| | | |
New file |
| | |
| | | #!/bin/bash |
| | | |
| | | #+-------------------------------------------------------------------------------------------- |
| | | #|Description: This shell script used download and cross compile open source libs |
| | | #| Author: GuoWenxue <guowenxue@gmail.com> |
| | | #| ChangeLog: |
| | | #| 1, Initialize 1.0.0 on 2011.04.12 |
| | | #+-------------------------------------------------------------------------------------------- |
| | | |
| | | SCRIPT_PATH=`dirname ${BASH_SOURCE[0]}` |
| | | PREFIX_PATH=`realpath ${SCRIPT_PATH}/`/../install |
| | | |
| | | CONF_FILE=cross_file.txt |
| | | |
| | | # display in yellow |
| | | function pr_warn() { |
| | | echo -e "\033[40;33m --W-- $1 \033[0m\n" |
| | | } |
| | | |
| | | function generate_config() |
| | | { |
| | | cat > $CONF_FILE <<EOF |
| | | |
| | | [binaries] |
| | | c = '${CROSS_COMPILE}gcc' |
| | | cpp = '${CROSS_COMPILE}g++' |
| | | ar = '${CROSS_COMPILE}ar' |
| | | strip = '${CROSS_COMPILE}strip' |
| | | |
| | | [host_machine] |
| | | system = 'linux' |
| | | cpu_family = 'arm' |
| | | cpu = 'armv7' |
| | | endian = 'little' |
| | | |
| | | [build_machine] |
| | | system = 'linux' |
| | | cpu_family = 'x86_64' |
| | | cpu = 'x86_64' |
| | | endian = 'little' |
| | | |
| | | EOF |
| | | } |
| | | |
| | | function compile_libdrm() |
| | | { |
| | | SRC_NAME=libdrm-2.4.110 |
| | | |
| | | echo $PREFIX_PATH |
| | | |
| | | if [ -f ${PREFIX_PATH}/bin/modetest ] ; then |
| | | pr_warn "$SRC_NAME already compile and installed" |
| | | return 0; |
| | | fi |
| | | |
| | | pr_warn "Start compile $SRC_NAME " |
| | | |
| | | if [ ! -d $SRC_NAME ] ; then |
| | | if [ ! -f ${SRC_NAME}.tar.xz ] ; then |
| | | wget https://dri.freedesktop.org/libdrm/${SRC_NAME}.tar.xz |
| | | fi |
| | | |
| | | tar -xJf ${SRC_NAME}.tar.xz |
| | | fi |
| | | |
| | | cd ${SRC_NAME} |
| | | |
| | | generate_config |
| | | |
| | | BUILD_PATH=tmp_build |
| | | rm -rf $BUILD_PATH && mkdir -p $BUILD_PATH && cd $BUILD_PATH |
| | | |
| | | meson --prefix=$PREFIX_PATH \ |
| | | --cross-file=../$CONF_FILE \ |
| | | -D amdgpu=false \ |
| | | -D cairo-tests=false \ |
| | | -D etnaviv=false \ |
| | | -D exynos=false \ |
| | | -D freedreno=false \ |
| | | -D freedreno-kgsl=false \ |
| | | -D install-test-programs=true \ |
| | | -D intel=false \ |
| | | -D libkms=false \ |
| | | -D man-pages=false \ |
| | | -D nouveau=false \ |
| | | -D omap=false \ |
| | | -D radeon=false \ |
| | | -D tegra=false \ |
| | | -D udev=false \ |
| | | -D valgrind=false \ |
| | | -D vc4=false \ |
| | | -D vmwgfx=false |
| | | |
| | | ninja && ninja install |
| | | } |
| | | |
| | | compile_libdrm |
| | | |
New file |
| | |
| | | #********************************************************************************* |
| | | # Copyright: (C) 2022 Avnet. All rights reserved. |
| | | # Author: Guo Wenxue<wenxue.guo@avnet.com> |
| | | # |
| | | # Filename: Makefile |
| | | # Description: This Makefile used to compile all the C source code file in |
| | | # current folder to a excutable binary file. |
| | | # |
| | | #********************************************************************************/ |
| | | |
| | | PRJ_PATH=$(shell pwd) |
| | | APP_NAME = drm_test |
| | | |
| | | CROSS_COMPILE=arm-linux-gnueabihf- |
| | | |
| | | # C source files in top-level directory |
| | | SRCFILES = $(wildcard *.c) |
| | | |
| | | # common CFLAGS for our source code |
| | | CFLAGS = -Wall -Wshadow -Wundef -Wmaybe-uninitialized |
| | | |
| | | # CFLAGS and LDFLAGS for opensource library in libs |
| | | CFLAGS+=-I ${PRJ_PATH} |
| | | CFLAGS+=-I ${PRJ_PATH}/libs/install/include/ |
| | | CFLAGS+=-I ${PRJ_PATH}/libs/install/include/libdrm |
| | | LDFLAGS+=-L ${PRJ_PATH}/libs/install/lib |
| | | LDFLAGS+=-L ${PRJ_PATH}/libs/install/lib |
| | | |
| | | LIBS+=-ldrm |
| | | |
| | | .PHONY:libs |
| | | all: libs binary |
| | | |
| | | libs: |
| | | cd libs && ./build.sh ${CROSS_COMPILE} |
| | | |
| | | modules: |
| | | @set -e; for d in ${DIRS}; do $(MAKE) CROSS_COMPILE=${CROSS_COMPILE} CFLAGS="${CFLAGS}" -C $${d}; done |
| | | |
| | | binary: ${SRCFILES} |
| | | $(CROSS_COMPILE)gcc $(CFLAGS) -o ${APP_NAME} $^ ${LDFLAGS} ${LIBS} |
| | | @echo " Compile over" |
| | | |
| | | #set -e; for d in ${DIRS}; do $(MAKE) clean -C $${d}; done |
| | | clean: |
| | | @rm -f *.o $(APP_NAME) |
| | | |
| | | distclean: clean |
| | | @rm -rf cscope* tags |
| | | @cd libs && ./build.sh distclean |
New file |
| | |
| | | /******************************************************************************** |
| | | * Copyright: (C) 2023 LingYun IoT System Studio |
| | | * All rights reserved. |
| | | * |
| | | * Filename: fbtest.c |
| | | * Description: This program used to: |
| | | * 1, Show framebuffer device information |
| | | * 2, Show RGB color on LCD full screen |
| | | * 3, Show BMP file on LCD; |
| | | * |
| | | * Version: 1.0.0(08/19/23) |
| | | * Author: Guo Wenxue <guowenxue@gmail.com> |
| | | * ChangeLog: 1, Release initial version on "08/19/23 12:56:31" |
| | | * |
| | | ********************************************************************************/ |
| | | |
| | | #include <stdio.h> |
| | | #include <stdlib.h> |
| | | #include <stdint.h> |
| | | #include <string.h> |
| | | #include <errno.h> |
| | | #include <unistd.h> |
| | | #include <fcntl.h> |
| | | #include <getopt.h> |
| | | #include <libgen.h> |
| | | #include <sys/ioctl.h> |
| | | #include <sys/stat.h> |
| | | #include <sys/types.h> |
| | | #include <linux/fb.h> |
| | | #include <sys/mman.h> |
| | | |
| | | #define PROG_VERSION "1.0.0" |
| | | |
| | | enum |
| | | { |
| | | CMD_SHOW_INFO, /* show LCD info */ |
| | | CMD_SHOW_RGB, /* show RGB color */ |
| | | CMD_SHOW_BMP, /* show BMP file */ |
| | | }; |
| | | |
| | | typedef struct fb_ctx_s |
| | | { |
| | | int fd; /* framebuffer file descriptor */ |
| | | char dev[64]; /* framebuffer device name */ |
| | | long fb_size; /* framebuffer size */ |
| | | int pix_size; /* lcd screen pix size */ |
| | | struct fb_var_screeninfo vinfo; /* framebuffer var information */ |
| | | char *fbp; /* framebuffer mmap() address */ |
| | | } fb_ctx_t; |
| | | |
| | | |
| | | int fb_init(fb_ctx_t *fb_ctx); |
| | | int fb_term(fb_ctx_t *fb_ctx); |
| | | int show_rgb(fb_ctx_t *fb_ctx, int times); |
| | | int show_bmp(fb_ctx_t *fb_ctx, char *bmp_file); |
| | | |
| | | static void program_usage(char *progname) |
| | | { |
| | | printf("Usage: %s [OPTION]...\n", progname); |
| | | printf(" %s is a program to show RGB color or BMP file on LCD screen\n", progname); |
| | | |
| | | printf("\nMandatory arguments to long options are mandatory for short options too:\n"); |
| | | printf(" -d[device ] Specify framebuffer device, such as: /dev/fb0\n"); |
| | | printf(" -c[color ] Display RGB corlor on LCD screen for some times, such as: -c 3\n"); |
| | | printf(" -b[bmp ] Display BMP file, such as: -b bg.bmp\n"); |
| | | printf(" -h[help ] Display this help information\n"); |
| | | printf(" -v[version ] Display the program version\n"); |
| | | |
| | | printf("\n%s version %s\n", progname, PROG_VERSION); |
| | | return; |
| | | } |
| | | |
| | | int main (int argc, char **argv) |
| | | { |
| | | fb_ctx_t fb_ctx; |
| | | char *progname=NULL; |
| | | char *bmp_file=NULL; |
| | | char *fb_dev="/dev/fb0"; |
| | | int cmd = CMD_SHOW_INFO; |
| | | int opt, times; |
| | | |
| | | struct option long_options[] = { |
| | | {"device", required_argument, NULL, 'd'}, |
| | | {"color", required_argument, NULL, 'c'}, |
| | | {"bmp", required_argument, NULL, 'b'}, |
| | | {"version", no_argument, NULL, 'v'}, |
| | | {"help", no_argument, NULL, 'h'}, |
| | | {NULL, 0, NULL, 0} |
| | | }; |
| | | |
| | | progname = (char *)basename(argv[0]); |
| | | |
| | | /* Parser the command line parameters */ |
| | | while ((opt = getopt_long(argc, argv, "d:c:b:vh", long_options, NULL)) != -1) |
| | | { |
| | | switch (opt) |
| | | { |
| | | case 'd': /* Set framebuffer device */ |
| | | fb_dev = optarg; |
| | | break; |
| | | |
| | | case 'b': /* Set BMP file */ |
| | | bmp_file = optarg; |
| | | cmd = CMD_SHOW_BMP; |
| | | break; |
| | | |
| | | case 'c': /* Show RGB color */ |
| | | times = atoi(optarg); |
| | | cmd = CMD_SHOW_RGB; |
| | | break; |
| | | |
| | | case 'v': /* Get software version */ |
| | | printf("%s version %s\n", progname, PROG_VERSION); |
| | | return 0; |
| | | |
| | | case 'h': /* Get help information */ |
| | | program_usage(progname); |
| | | return 0; |
| | | |
| | | default: |
| | | break; |
| | | } |
| | | |
| | | } |
| | | |
| | | memset(&fb_ctx, 0, sizeof(fb_ctx)); |
| | | strncpy(fb_ctx.dev, fb_dev, sizeof(fb_ctx.dev)); |
| | | |
| | | if( fb_init(&fb_ctx) < 0 ) |
| | | { |
| | | printf("ERROR: Initial framebuffer device '%s' failure.\n", fb_ctx.dev); |
| | | return 1; |
| | | } |
| | | |
| | | switch( cmd ) |
| | | { |
| | | case CMD_SHOW_RGB: |
| | | show_rgb(&fb_ctx, times); |
| | | break; |
| | | |
| | | case CMD_SHOW_BMP: |
| | | show_bmp(&fb_ctx, bmp_file); |
| | | break; |
| | | |
| | | default: |
| | | break; |
| | | } |
| | | |
| | | fb_term(&fb_ctx); |
| | | |
| | | return 0; |
| | | } |
| | | |
| | | |
| | | int fb_get_var_screeninfo(int fd, struct fb_var_screeninfo *vinfo) |
| | | { |
| | | if( fd<0 || !vinfo ) |
| | | { |
| | | printf("ERROR: Invalid input arguments\n"); |
| | | return -1; |
| | | } |
| | | |
| | | if(ioctl(fd, FBIOGET_VSCREENINFO, vinfo)) |
| | | { |
| | | printf("ERROR: ioctl() get variable info failure: %s\n", strerror(errno)); |
| | | return -2; |
| | | } |
| | | |
| | | printf("LCD information : %dx%d, bpp:%d rgba:%d/%d,%d/%d,%d/%d,%d/%d\n", vinfo->xres, vinfo->yres, vinfo->bits_per_pixel, |
| | | vinfo->red.length, vinfo->red.offset, vinfo->green.length, vinfo->green.offset, |
| | | vinfo->blue.length,vinfo->blue.offset, vinfo->transp.length, vinfo->transp.offset); |
| | | |
| | | return 0; |
| | | } |
| | | |
| | | int fb_init(fb_ctx_t *fb_ctx) |
| | | { |
| | | struct fb_var_screeninfo *vinfo; |
| | | |
| | | if( !fb_ctx || !strlen(fb_ctx->dev) ) |
| | | { |
| | | printf("ERROR: Invalid input arguments\n"); |
| | | return -1; |
| | | } |
| | | |
| | | if( (fb_ctx->fd=open(fb_ctx->dev, O_RDWR)) < 0 ) |
| | | { |
| | | printf("ERROR: Open framebuffer device '%s' failure: %s\n", fb_ctx->dev, strerror(errno)); |
| | | return -2; |
| | | } |
| | | |
| | | fb_get_var_screeninfo(fb_ctx->fd, &fb_ctx->vinfo); |
| | | |
| | | vinfo = &fb_ctx->vinfo; |
| | | fb_ctx->fb_size = vinfo->xres * vinfo->yres * vinfo->bits_per_pixel / 8; |
| | | fb_ctx->pix_size = vinfo->xres * vinfo->yres; |
| | | |
| | | fb_ctx->fbp =(char *)mmap(0, fb_ctx->fb_size, PROT_READ | PROT_WRITE, MAP_SHARED, fb_ctx->fd ,0); |
| | | if ( !fb_ctx->fbp ) |
| | | { |
| | | printf ("ERROR: Framebuffer mmap() failure: %s\n", strerror(errno)); |
| | | return -2; |
| | | } |
| | | |
| | | vinfo->xoffset = 0; |
| | | vinfo->yoffset = 0; |
| | | |
| | | return 0; |
| | | } |
| | | |
| | | int fb_term(fb_ctx_t *fb_ctx) |
| | | { |
| | | if( !fb_ctx ) |
| | | { |
| | | printf("ERROR: Invalid input arguments\n"); |
| | | return -1; |
| | | } |
| | | |
| | | munmap(fb_ctx->fbp, fb_ctx->fb_size); |
| | | close (fb_ctx->fd); |
| | | |
| | | return 0; |
| | | } |
| | | |
| | | int show_rgb_screen(fb_ctx_t *fb_ctx) |
| | | { |
| | | struct fb_var_screeninfo *vinfo; |
| | | char *fb_addr; |
| | | int interval = 1; |
| | | int i, color; |
| | | int bpp_bytes; |
| | | |
| | | if( !fb_ctx ) |
| | | { |
| | | printf("ERROR: Invalid input arguments\n"); |
| | | return -1; |
| | | } |
| | | |
| | | vinfo = &fb_ctx->vinfo; |
| | | bpp_bytes = vinfo->bits_per_pixel / 8; |
| | | |
| | | printf("show full screen on red\n"); |
| | | color = (1<<vinfo->red.length-1) << vinfo->red.offset; |
| | | fb_addr = fb_ctx->fbp; |
| | | for(i=0; i<fb_ctx->pix_size; i++) |
| | | { |
| | | memcpy(fb_addr, &color, bpp_bytes); |
| | | fb_addr += bpp_bytes; |
| | | } |
| | | sleep(interval); |
| | | |
| | | printf("show full screen on green\n"); |
| | | color = (1<<vinfo->green.length-1) << vinfo->green.offset; |
| | | fb_addr = fb_ctx->fbp; |
| | | for(i=0; i<fb_ctx->pix_size; i++) |
| | | { |
| | | memcpy(fb_addr, &color, bpp_bytes); |
| | | fb_addr += bpp_bytes; |
| | | } |
| | | sleep(interval); |
| | | |
| | | printf("show full screen on blue\n"); |
| | | color = (1<<vinfo->blue.length-1) << vinfo->blue.offset; |
| | | fb_addr = fb_ctx->fbp; |
| | | for(i=0; i<fb_ctx->pix_size; i++) |
| | | { |
| | | memcpy(fb_addr, &color, bpp_bytes); |
| | | fb_addr += bpp_bytes; |
| | | } |
| | | sleep(interval); |
| | | |
| | | return 0; |
| | | } |
| | | |
| | | int show_rgb(fb_ctx_t *fb_ctx, int times) |
| | | { |
| | | int i; |
| | | |
| | | if( !fb_ctx ) |
| | | { |
| | | printf("ERROR: Invalid input arguments\n"); |
| | | return -1; |
| | | } |
| | | |
| | | for(i=0; i<times; i++) |
| | | { |
| | | show_rgb_screen(fb_ctx); |
| | | } |
| | | |
| | | return 0; |
| | | } |
| | | |
| | | |
| | | /* BMP format: https://blog.csdn.net/weixin_39756273/article/details/110585675 */ |
| | | typedef struct bmp_file_head_s |
| | | { |
| | | uint8_t bfType[2]; /* BMP file type: "BM" */ |
| | | int32_t bfSize; /* BMP file size */ |
| | | int32_t bfReserved; /* reserved */ |
| | | int32_t bfoffBits; /* image data offset */ |
| | | }__attribute__((packed)) bmp_file_head_t; |
| | | |
| | | |
| | | typedef struct bmp_bitmap_info_s |
| | | { |
| | | int32_t biSize; /* this struture size */ |
| | | int32_t biWidth; /* image width in pix */ |
| | | int32_t biHeight; /* image height in pix */ |
| | | uint16_t biPlanes; /* display planes, always be 1 */ |
| | | uint16_t biBitCount; /* bpp: 1,4,8,16,24,32 */ |
| | | int32_t biCompress; /* compress type */ |
| | | int32_t biSizeImage; /* image size in byte */ |
| | | int32_t biXPelsPerMeter; /* x-res in pix/m */ |
| | | int32_t biYPelsPerMeter; /* y-res in pix/m */ |
| | | int32_t biClrUsed; |
| | | int32_t biClrImportant; |
| | | }__attribute__((packed)) bmp_bitmap_info_t; |
| | | |
| | | /* |
| | | * BMP image file format: |
| | | * +----------------+------------------+--------------------+---------------+ |
| | | * | File Head(14B) | Bitmap Info(40B) | color palette(OPT) | bitmap data | |
| | | * +----------------+------------------+--------------------+---------------+ |
| | | */ |
| | | int show_bmp(fb_ctx_t *fb_ctx, char *bmp_file) |
| | | { |
| | | struct fb_var_screeninfo *vinfo; |
| | | char *fb_addr; |
| | | bmp_file_head_t *file_head; |
| | | bmp_bitmap_info_t *bitmap_info; |
| | | struct stat statbuf; |
| | | char *f_addr; |
| | | char *d_addr; |
| | | char *p_addr; |
| | | int fd; |
| | | int bpp_bytes; |
| | | int i, j; |
| | | int width, height; |
| | | |
| | | if( !fb_ctx || !bmp_file ) |
| | | { |
| | | printf("ERROR: Invalid input arguments\n"); |
| | | return -1; |
| | | } |
| | | |
| | | if( (fd=open(bmp_file, O_RDONLY)) < 0 ) |
| | | { |
| | | printf("ERROR: Open file '%s' failure: %s\n", bmp_file, strerror(errno)); |
| | | return -2; |
| | | } |
| | | |
| | | fstat(fd, &statbuf); |
| | | f_addr =(char *)mmap(0, statbuf.st_size, PROT_READ, MAP_SHARED, fd ,0); |
| | | if ( !f_addr ) |
| | | { |
| | | printf ("ERROR: BMP file mmap() failure: %s\n", strerror(errno)); |
| | | return -2; |
| | | } |
| | | |
| | | /* BMP file header */ |
| | | file_head = (bmp_file_head_t *)f_addr; |
| | | if( memcmp(file_head->bfType, "BM", 2) != 0) |
| | | { |
| | | printf("ERROR: It's not a BMP file\n"); |
| | | return -3; |
| | | } |
| | | |
| | | /* BMP bitmap information header */ |
| | | bitmap_info = (bmp_bitmap_info_t *)(f_addr+sizeof(bmp_file_head_t)); |
| | | |
| | | /* BMP bitmap data */ |
| | | d_addr = f_addr + file_head->bfoffBits; |
| | | |
| | | vinfo = &fb_ctx->vinfo; |
| | | fb_addr = fb_ctx->fbp; |
| | | bpp_bytes = vinfo->bits_per_pixel / 8; |
| | | |
| | | width = bitmap_info->biWidth>vinfo->xres ? vinfo->xres : bitmap_info->biWidth; |
| | | height = bitmap_info->biHeight>vinfo->yres ? vinfo->yres : bitmap_info->biHeight; |
| | | |
| | | printf("BMP file '%s': %dx%d and display %dx%d\n", bmp_file, bitmap_info->biWidth, bitmap_info->biHeight, width, height); |
| | | |
| | | /* if biHeight is positive, the bitmap is a bottom-up DIB */ |
| | | for(i=0; i<height; i++) |
| | | { |
| | | p_addr=d_addr+(height-1-i)*bitmap_info->biWidth*bpp_bytes; |
| | | memcpy(fb_addr, p_addr, bpp_bytes*width); |
| | | fb_addr += bpp_bytes * vinfo->xres; |
| | | } |
| | | |
| | | munmap(f_addr, statbuf.st_size); |
| | | close (fd); |
| | | |
| | | return 0; |
| | | } |
| | | |
New file |
| | |
| | | #******************************************************************************** |
| | | # Copyright: (C) 2023 LingYun IoT System Studio |
| | | # All rights reserved. |
| | | # |
| | | # Filename: Makefile |
| | | # Description: This file used to compile all the C file to respective binary, |
| | | # and it will auto detect cross compile or local compile. |
| | | # |
| | | # Version: 1.0.0(11/08/23) |
| | | # Author: Guo Wenxue <guowenxue@gmail.com> |
| | | # ChangeLog: 1, Release initial version on "11/08/23 16:18:43" |
| | | # |
| | | #******************************************************************************* |
| | | |
| | | PWD=$(shell pwd) |
| | | INSTPATH=/tftp |
| | | |
| | | CROSS_COMPILE=arm-linux-gnueabihf- |
| | | CC=${CROSS_COMPILE}gcc |
| | | |
| | | SRCS = $(wildcard ${VPATH}/*.c) |
| | | OBJS = $(patsubst %.c,%.o,$(SRCS)) |
| | | |
| | | SRCFILES = $(wildcard *.c) |
| | | BINARIES=$(SRCFILES:%.c=%) |
| | | |
| | | all: binaries install |
| | | |
| | | binaries: ${BINARIES} |
| | | |
| | | %: %.c |
| | | $(CC) $(CFLAGS) -o $@ $< $(LDFLAGS) |
| | | |
| | | install: |
| | | cp $(BINARIES) ${INSTPATH} |
| | | |
| | | clean: |
| | | @rm -f *.o *.lo $(BINARIES) |
| | | |
| | | distclean: clean |
| | | @rm -f tags cscope* |
| | | |
| | | .PHONY: clean entry |
New file |
| | |
| | | #!/bin/bash |
| | | |
| | | PRJ_PATH=`pwd` |
| | | BOARD=imx6ull |
| | | |
| | | LYFTP_SRC=http://master.weike-iot.com:2211/src/ |
| | | |
| | | LIB_LVGL=lvgl-8.0.2 |
| | | LIB_LVGL_DRV=lv_drivers-8.0.1 |
| | | LIB_LVGL_DEMO=lv_demos-8.0.1 |
| | | |
| | | LIBS_DIR="lvgl lv_drivers lv_demos" |
| | | |
| | | CROSS_COMPILE=arm-linux-gnueabihf- |
| | | if [ $# == 1 ] ; then |
| | | CROSS_COMPILE=$1 |
| | | fi |
| | | |
| | | set -e |
| | | |
| | | function prepare_lib() |
| | | { |
| | | PACK_SUFIX=tar.gz |
| | | PACK_NAME=$1 |
| | | DIR_NAME=$2 |
| | | |
| | | if [ ! -d ${DIR_NAME} ] ; then |
| | | if [ ! -s ${PACK_NAME}.${PACK_SUFIX} ] ; then |
| | | wget ${LYFTP_SRC}/${PACK_NAME}.${PACK_SUFIX} |
| | | fi |
| | | |
| | | tar -xzf ${PACK_NAME}.${PACK_SUFIX} |
| | | patch -p0 < patches/${PACK_NAME}-${BOARD}.patch |
| | | mv ${PACK_NAME} ${DIR_NAME} |
| | | |
| | | cd ${DIR_NAME} |
| | | sed -i -e "s|.*CMAKE_C_COMPILER.*|set(CMAKE_C_COMPILER \"${CROSS_COMPILE}gcc\")|g" CMakeLists.txt |
| | | temp_file=`ls *_template.h` |
| | | conf_file=`echo ${temp_file/_template/}` |
| | | cp ${temp_file} ../${conf_file} |
| | | cd ${PRJ_PATH} |
| | | fi |
| | | } |
| | | |
| | | if [[ $# == 1 && $1 == clean ]] ; then |
| | | rm -rf lv* |
| | | rm -rf libs |
| | | exit; |
| | | fi |
| | | |
| | | prepare_lib ${LIB_LVGL} lvgl |
| | | prepare_lib ${LIB_LVGL_DRV} lv_drivers |
| | | prepare_lib ${LIB_LVGL_DEMO} lv_demos |
| | | |
| | | |
| | | mkdir -p ${PRJ_PATH}/libs |
| | | |
| | | for lib in ${LIBS_DIR} |
| | | do |
| | | if [ -f ${PRJ_PATH}/libs/lib${lib}.a ] ; then |
| | | continue; |
| | | fi |
| | | |
| | | mkdir -p ${lib}/build |
| | | cd ${lib}/build/ |
| | | rm -rf * && cmake .. && make |
| | | |
| | | cp lib*.a ${PRJ_PATH}/libs/lib${lib}.a |
| | | cd ${PRJ_PATH} |
| | | done |
| | | |
| | | |
New file |
| | |
| | | #!/bin/bash |
| | | # Description: This shell script used to generate patch file |
| | | # Author: guowenxue <guowenxue@gmail.com> |
| | | # Version: 1.0.0 |
| | | |
| | | PROJ_PATH=`pwd` |
| | | |
| | | PATCH_PATH=${PROJ_PATH}/patches |
| | | |
| | | BOARD=imx6ull |
| | | PATCH_SUFFIX=${BOARD}.patch |
| | | |
| | | set -e |
| | | |
| | | |
| | | if [ $# != 1 ] ; then |
| | | echo "Usage: $0 [src_path]" |
| | | printf "\nExample: \n" |
| | | echo "$0 lvgl-8.0.2" |
| | | |
| | | exit ; |
| | | fi |
| | | |
| | | |
| | | SRC=`basename $1` |
| | | |
| | | if [ ! -d ${SRC} ] ; then |
| | | printf "\nERROR: ${SRC} source code not exist, exit now\n\n" |
| | | exit |
| | | fi |
| | | |
| | | if [ ! -f ${SRC}.tar.gz ] ; then |
| | | printf "\nERROR: ${SRC}.tar.gz packet not exist, exit now\n\n" |
| | | exit |
| | | fi |
| | | |
| | | rm -rf ${SRC}/build |
| | | |
| | | # rename new source code |
| | | mv ${SRC} ${SRC}-${BOARD} |
| | | |
| | | # decompress orignal soruce code packet |
| | | tar -xzf ${SRC}.tar.gz |
| | | |
| | | set +e |
| | | |
| | | # generate patch file |
| | | diff -Nuar ${SRC} ${SRC}-${BOARD} > ${SRC}-${PATCH_SUFFIX} |
| | | |
| | | # remove orignal soruce code |
| | | rm -rf ${SRC} |
| | | |
| | | # recover new source code |
| | | mv ${SRC}-${BOARD} ${SRC} |
| | | |
New file |
| | |
| | | diff -Nuar lv_demos-8.0.1/CMakeLists.txt lv_demos-8.0.1-imx6ull/CMakeLists.txt |
| | | --- lv_demos-8.0.1/CMakeLists.txt 2021-06-14 20:00:00.000000000 +0800 |
| | | +++ lv_demos-8.0.1-imx6ull/CMakeLists.txt 2021-09-27 21:26:45.823935469 +0800 |
| | | @@ -1,2 +1,5 @@ |
| | | +set(CMAKE_C_COMPILER "/opt/buildroot/cortex-a7/bin/arm-linux-gcc") |
| | | +include_directories(..) |
| | | + |
| | | file(GLOB_RECURSE SOURCES src/*.c) |
| | | add_library(lv_examples STATIC ${SOURCES}) |
| | | diff -Nuar lv_demos-8.0.1/lv_demo_conf_template.h lv_demos-8.0.1-imx6ull/lv_demo_conf_template.h |
| | | --- lv_demos-8.0.1/lv_demo_conf_template.h 2021-06-14 20:00:00.000000000 +0800 |
| | | +++ lv_demos-8.0.1-imx6ull/lv_demo_conf_template.h 2021-09-27 20:57:35.667901897 +0800 |
| | | @@ -7,7 +7,7 @@ |
| | | * COPY THIS FILE AS lv_demo_conf.h |
| | | */ |
| | | |
| | | -#if 0 /*Set it to "1" to enable the content*/ |
| | | +#if 1 /*Set it to "1" to enable the content*/ |
| | | |
| | | #ifndef LV_EX_CONF_H |
| | | #define LV_EX_CONF_H |
| | | @@ -25,22 +25,22 @@ |
| | | *********************/ |
| | | |
| | | /*Show some widget*/ |
| | | -#define LV_USE_DEMO_WIDGETS 0 |
| | | +#define LV_USE_DEMO_WIDGETS 1 |
| | | #if LV_USE_DEMO_WIDGETS |
| | | #define LV_DEMO_WIDGETS_SLIDESHOW 0 |
| | | #endif |
| | | |
| | | /*Printer demo, optimized for 800x480*/ |
| | | -#define LV_USE_DEMO_PRINTER 0 |
| | | +#define LV_USE_DEMO_PRINTER 1 |
| | | |
| | | /*Demonstrate the usage of encoder and keyboard*/ |
| | | -#define LV_USE_DEMO_KEYPAD_AND_ENCODER 0 |
| | | +#define LV_USE_DEMO_KEYPAD_AND_ENCODER 1 |
| | | |
| | | /*Benchmark your system*/ |
| | | -#define LV_USE_DEMO_BENCHMARK 0 |
| | | +#define LV_USE_DEMO_BENCHMARK 1 |
| | | |
| | | /*Stress test for LVGL*/ |
| | | -#define LV_USE_DEMO_STRESS 0 |
| | | +#define LV_USE_DEMO_STRESS 1 |
| | | |
| | | /*Music player demo*/ |
| | | #define LV_USE_DEMO_MUSIC 1 |
New file |
| | |
| | | diff -Nuar lv_drivers-8.0.1/CMakeLists.txt lv_drivers-8.0.1-imx6ull/CMakeLists.txt |
| | | --- lv_drivers-8.0.1/CMakeLists.txt 2021-06-14 19:54:20.000000000 +0800 |
| | | +++ lv_drivers-8.0.1-imx6ull/CMakeLists.txt 2021-09-27 22:20:38.179997474 +0800 |
| | | @@ -1,2 +1,5 @@ |
| | | +set(CMAKE_C_COMPILER "/opt/buildroot/cortex-a7/bin/arm-linux-gcc") |
| | | +include_directories(..) |
| | | + |
| | | file(GLOB_RECURSE SOURCES ./*.c) |
| | | add_library(lv_drivers STATIC ${SOURCES}) |
| | | diff -Nuar lv_drivers-8.0.1/indev/evdev.c lv_drivers-8.0.1-imx6ull/indev/evdev.c |
| | | --- lv_drivers-8.0.1/indev/evdev.c 2021-06-14 19:54:20.000000000 +0800 |
| | | +++ lv_drivers-8.0.1-imx6ull/indev/evdev.c 2021-09-27 22:25:04.172002576 +0800 |
| | | @@ -115,7 +115,7 @@ |
| | | * @param data store the evdev data here |
| | | * @return false: because the points are not buffered, so no more data to be read |
| | | */ |
| | | -bool evdev_read(lv_indev_drv_t * drv, lv_indev_data_t * data) |
| | | +void evdev_read(lv_indev_drv_t * drv, lv_indev_data_t * data) |
| | | { |
| | | struct input_event in; |
| | | |
| | | @@ -196,7 +196,7 @@ |
| | | } |
| | | evdev_key_val = data->key; |
| | | evdev_button = data->state; |
| | | - return false; |
| | | + return; |
| | | } |
| | | } |
| | | } |
| | | @@ -205,10 +205,10 @@ |
| | | /* No data retrieved */ |
| | | data->key = evdev_key_val; |
| | | data->state = evdev_button; |
| | | - return false; |
| | | + return; |
| | | } |
| | | if(drv->type != LV_INDEV_TYPE_POINTER) |
| | | - return false; |
| | | + return; |
| | | /*Store the collected data*/ |
| | | |
| | | #if EVDEV_CALIBRATE |
| | | @@ -225,12 +225,12 @@ |
| | | data->point.x = 0; |
| | | if(data->point.y < 0) |
| | | data->point.y = 0; |
| | | - if(data->point.x >= drv->disp->driver.hor_res) |
| | | - data->point.x = drv->disp->driver.hor_res - 1; |
| | | - if(data->point.y >= drv->disp->driver.ver_res) |
| | | - data->point.y = drv->disp->driver.ver_res - 1; |
| | | + if(data->point.x >= drv->disp->driver->hor_res) |
| | | + data->point.x = drv->disp->driver->hor_res - 1; |
| | | + if(data->point.y >= drv->disp->driver->ver_res) |
| | | + data->point.y = drv->disp->driver->ver_res - 1; |
| | | |
| | | - return false; |
| | | + return; |
| | | } |
| | | |
| | | /********************** |
| | | diff -Nuar lv_drivers-8.0.1/indev/evdev.h lv_drivers-8.0.1-imx6ull/indev/evdev.h |
| | | --- lv_drivers-8.0.1/indev/evdev.h 2021-06-14 19:54:20.000000000 +0800 |
| | | +++ lv_drivers-8.0.1-imx6ull/indev/evdev.h 2021-09-27 22:25:33.424003137 +0800 |
| | | @@ -57,7 +57,7 @@ |
| | | * @param data store the evdev data here |
| | | * @return false: because the points are not buffered, so no more data to be read |
| | | */ |
| | | -bool evdev_read(lv_indev_drv_t * drv, lv_indev_data_t * data); |
| | | +void evdev_read(lv_indev_drv_t * drv, lv_indev_data_t * data); |
| | | |
| | | |
| | | /********************** |
| | | diff -Nuar lv_drivers-8.0.1/lv_drv_conf_template.h lv_drivers-8.0.1-imx6ull/lv_drv_conf_template.h |
| | | --- lv_drivers-8.0.1/lv_drv_conf_template.h 2021-06-14 19:54:20.000000000 +0800 |
| | | +++ lv_drivers-8.0.1-imx6ull/lv_drv_conf_template.h 2021-09-27 22:20:38.183997474 +0800 |
| | | @@ -7,7 +7,7 @@ |
| | | * COPY THIS FILE AS lv_drv_conf.h |
| | | */ |
| | | |
| | | -#if 0 /*Set it to "1" to enable the content*/ |
| | | +#if 1 /*Set it to "1" to enable the content*/ |
| | | |
| | | #ifndef LV_DRV_CONF_H |
| | | #define LV_DRV_CONF_H |
| | | @@ -272,7 +272,7 @@ |
| | | * Linux frame buffer device (/dev/fbx) |
| | | *-----------------------------------------*/ |
| | | #ifndef USE_FBDEV |
| | | -# define USE_FBDEV 0 |
| | | +# define USE_FBDEV 1 |
| | | #endif |
| | | |
| | | #if USE_FBDEV |
| | | @@ -386,7 +386,7 @@ |
| | | * Mouse or touchpad as evdev interface (for Linux based systems) |
| | | *------------------------------------------------*/ |
| | | #ifndef USE_EVDEV |
| | | -# define USE_EVDEV 0 |
| | | +# define USE_EVDEV 1 |
| | | #endif |
| | | |
| | | #ifndef USE_BSD_EVDEV |
New file |
| | |
| | | diff -Nuar lvgl-8.0.2/CMakeLists.txt lvgl-8.0.2-imx6ull/CMakeLists.txt |
| | | --- lvgl-8.0.2/CMakeLists.txt 2021-07-16 23:40:51.000000000 +0800 |
| | | +++ lvgl-8.0.2-imx6ull/CMakeLists.txt 2021-09-27 22:30:20.360008641 +0800 |
| | | @@ -1,3 +1,7 @@ |
| | | + |
| | | +set(CMAKE_C_COMPILER "/opt/buildroot/cortex-a7/bin/arm-linux-gcc") |
| | | +include_directories(..) |
| | | + |
| | | if(ESP_PLATFORM) |
| | | |
| | | file(GLOB_RECURSE SOURCES src/*.c) |
| | | diff -Nuar lvgl-8.0.2/lv_conf_template.h lvgl-8.0.2-imx6ull/lv_conf_template.h |
| | | --- lvgl-8.0.2/lv_conf_template.h 2021-07-16 23:40:51.000000000 +0800 |
| | | +++ lvgl-8.0.2-imx6ull/lv_conf_template.h 2021-09-27 22:33:47.448012614 +0800 |
| | | @@ -7,7 +7,7 @@ |
| | | * COPY THIS FILE AS `lv_conf.h` NEXT TO the `lvgl` FOLDER |
| | | */ |
| | | |
| | | -#if 0 /*Set it to "1" to enable content*/ |
| | | +#if 1 /*Set it to "1" to enable content*/ |
| | | |
| | | #ifndef LV_CONF_H |
| | | #define LV_CONF_H |
| | | @@ -21,7 +21,7 @@ |
| | | *====================*/ |
| | | |
| | | /*Color depth: 1 (1 byte per pixel), 8 (RGB332), 16 (RGB565), 32 (ARGB8888)*/ |
| | | -#define LV_COLOR_DEPTH 32 |
| | | +#define LV_COLOR_DEPTH 16 |
| | | |
| | | /*Swap the 2 bytes of RGB565 color. Useful if the display has a 8 bit interface (e.g. SPI)*/ |
| | | #define LV_COLOR_16_SWAP 0 |
| | | @@ -42,7 +42,7 @@ |
| | | #define LV_MEM_CUSTOM 0 |
| | | #if LV_MEM_CUSTOM == 0 |
| | | /*Size of the memory available for `lv_mem_alloc()` in bytes (>= 2kB)*/ |
| | | -# define LV_MEM_SIZE (32U * 1024U) /*[bytes]*/ |
| | | +# define LV_MEM_SIZE (128U * 1024U) /*[bytes]*/ |
| | | |
| | | /*Set an address for the memory pool instead of allocating it as a normal array. Can be in external SRAM too.*/ |
| | | # define LV_MEM_ADR 0 /*0: unused*/ |
| | | @@ -68,9 +68,10 @@ |
| | | |
| | | /*Use a custom tick source that tells the elapsed time in milliseconds. |
| | | *It removes the need to manually update the tick with `lv_tick_inc()`)*/ |
| | | -#define LV_TICK_CUSTOM 0 |
| | | +#define LV_TICK_CUSTOM 1 |
| | | #if LV_TICK_CUSTOM |
| | | -#define LV_TICK_CUSTOM_INCLUDE "Arduino.h" /*Header for the system time function*/ |
| | | +extern uint32_t millis(void); |
| | | +#define LV_TICK_CUSTOM_INCLUDE <stdint.h> /*Header for the system time function*/ |
| | | #define LV_TICK_CUSTOM_SYS_TIME_EXPR (millis()) /*Expression evaluating to current system time in ms*/ |
| | | #endif /*LV_TICK_CUSTOM*/ |
| | | |
| | | @@ -137,7 +138,7 @@ |
| | | *-----------*/ |
| | | |
| | | /*Enable the log module*/ |
| | | -#define LV_USE_LOG 0 |
| | | +#define LV_USE_LOG 1 |
| | | #if LV_USE_LOG |
| | | |
| | | /*How important log should be added: |
| | | @@ -151,7 +152,7 @@ |
| | | |
| | | /*1: Print the log with 'printf'; |
| | | *0: User need to register a callback with `lv_log_register_print_cb()`*/ |
| | | -# define LV_LOG_PRINTF 0 |
| | | +# define LV_LOG_PRINTF 1 |
| | | |
| | | /*Enable/disable LV_LOG_TRACE in modules that produces a huge number of logs*/ |
| | | # define LV_LOG_TRACE_MEM 1 |
| | | @@ -262,13 +263,13 @@ |
| | | |
| | | /*Montserrat fonts with ASCII range and some symbols using bpp = 4 |
| | | *https://fonts.google.com/specimen/Montserrat*/ |
| | | -#define LV_FONT_MONTSERRAT_8 0 |
| | | -#define LV_FONT_MONTSERRAT_10 0 |
| | | -#define LV_FONT_MONTSERRAT_12 0 |
| | | +#define LV_FONT_MONTSERRAT_8 1 |
| | | +#define LV_FONT_MONTSERRAT_10 1 |
| | | +#define LV_FONT_MONTSERRAT_12 1 |
| | | #define LV_FONT_MONTSERRAT_14 1 |
| | | -#define LV_FONT_MONTSERRAT_16 0 |
| | | -#define LV_FONT_MONTSERRAT_18 0 |
| | | -#define LV_FONT_MONTSERRAT_20 0 |
| | | +#define LV_FONT_MONTSERRAT_16 1 |
| | | +#define LV_FONT_MONTSERRAT_18 1 |
| | | +#define LV_FONT_MONTSERRAT_20 1 |
| | | #define LV_FONT_MONTSERRAT_22 0 |
| | | #define LV_FONT_MONTSERRAT_24 0 |
| | | #define LV_FONT_MONTSERRAT_26 0 |
New file |
| | |
| | | /********************************************************************************* |
| | | * Copyright: (C) 2021 LingYun IoT System Studio |
| | | * All rights reserved. |
| | | * |
| | | * Filename: lvgl_demo.c |
| | | * Description: This file is LVGL demo program. |
| | | * |
| | | * Version: 1.0.0(2021年09月27日) |
| | | * Author: Guo Wenxue <guowenxue@gmail.com> |
| | | * ChangeLog: 1, Release initial version on "2021年09月27日 22时16分52秒" |
| | | * |
| | | ********************************************************************************/ |
| | | |
| | | #include <stdio.h> |
| | | #include <unistd.h> |
| | | #include <pthread.h> |
| | | #include <time.h> |
| | | #include <sys/time.h> |
| | | |
| | | #include "lvgl/lvgl.h" |
| | | #include "lv_drivers/display/fbdev.h" |
| | | #include "lv_drivers/indev/evdev.h" |
| | | #include "lv_demos/lv_demo.h" |
| | | |
| | | #define DISP_BUF_SIZE (128 * 1024) |
| | | |
| | | |
| | | int main(void) |
| | | { |
| | | lv_disp_drv_t disp_drv; |
| | | lv_indev_drv_t indev_drv; |
| | | static lv_color_t buf[DISP_BUF_SIZE]; /* buffer for LVGL to draw the screen's content */ |
| | | static lv_disp_draw_buf_t disp_buf; /* Initialize a descriptor for the buffer */ |
| | | |
| | | /* LVGL context init */ |
| | | lv_init(); |
| | | |
| | | /* Linux frame buffer device init */ |
| | | fbdev_init(); |
| | | |
| | | /* linux touchscreen device init */ |
| | | lv_indev_drv_init(&indev_drv); |
| | | indev_drv.type =LV_INDEV_TYPE_POINTER; |
| | | indev_drv.read_cb =evdev_read; |
| | | lv_indev_drv_register(&indev_drv); |
| | | |
| | | /* Initialize and register a display driver */ |
| | | lv_disp_draw_buf_init(&disp_buf, buf, NULL, DISP_BUF_SIZE); |
| | | lv_disp_drv_init(&disp_drv); |
| | | disp_drv.draw_buf = &disp_buf; |
| | | disp_drv.flush_cb = fbdev_flush; |
| | | disp_drv.hor_res = 800; |
| | | disp_drv.ver_res = 480; |
| | | lv_disp_drv_register(&disp_drv); |
| | | |
| | | /* Create a Demo */ |
| | | //lv_demo_widgets(); |
| | | lv_demo_music(); |
| | | //lv_demo_keypad_encoder(); |
| | | //lv_demo_stress(); |
| | | |
| | | /* Handle LitlevGL tasks (tickless mode) */ |
| | | while(1) { |
| | | lv_task_handler(); |
| | | usleep(5000); |
| | | } |
| | | |
| | | return 0; |
| | | } |
| | | |
| | | /* Set in lv_conf.h as LV_TICK_CUSTOM_SYS_TIME_EXPR */ |
| | | uint32_t millis(void) |
| | | { |
| | | static uint64_t start_ms = 0; |
| | | struct timeval tv_start; |
| | | struct timeval tv_now; |
| | | uint64_t now_ms; |
| | | uint32_t time_ms; |
| | | |
| | | if(start_ms == 0) |
| | | { |
| | | gettimeofday(&tv_start, NULL); |
| | | start_ms = (tv_start.tv_sec * 1000000 + tv_start.tv_usec) / 1000; |
| | | } |
| | | |
| | | gettimeofday(&tv_now, NULL); |
| | | now_ms = (tv_now.tv_sec * 1000000 + tv_now.tv_usec) / 1000; |
| | | |
| | | time_ms = now_ms - start_ms; |
| | | return time_ms; |
| | | } |
New file |
| | |
| | | |
| | | CROSS_COMPILE=arm-linux-gnueabihf- |
| | | CC=${CROSS_COMPILE}gcc |
| | | |
| | | CFLAGS = -Wall -Wshadow -Wundef -Wmaybe-uninitialized |
| | | CFLAGS += -O3 -g3 -I./ -I ./libs_lvgl/ |
| | | |
| | | LDFLAGS+=-L ./libs_lvgl/libs/ -llv_demos -llv_drivers -llvgl |
| | | |
| | | BIN = lvgl_demo |
| | | |
| | | MAINSRC = lvgl_demo.c |
| | | |
| | | VPATH = |
| | | OBJEXT ?= .o |
| | | |
| | | AOBJS = $(ASRCS:.S=$(OBJEXT)) |
| | | COBJS = $(CSRCS:.c=$(OBJEXT)) |
| | | |
| | | MAINOBJ = $(MAINSRC:.c=$(OBJEXT)) |
| | | |
| | | SRCS = $(ASRCS) $(CSRCS) $(MAINSRC) |
| | | OBJS = $(AOBJS) $(COBJS) |
| | | |
| | | ## MAINOBJ -> OBJFILES |
| | | |
| | | all: libs clean default |
| | | cp ${BIN} /tftp |
| | | |
| | | libs: |
| | | cd libs_lvgl && ./build.sh ${CROSS_COMPILE} |
| | | |
| | | %.o: %.c |
| | | @$(CC) $(CFLAGS) -c $< -o $@ |
| | | @echo "CC $<" |
| | | |
| | | default: $(AOBJS) $(COBJS) $(MAINOBJ) |
| | | $(CC) -o $(BIN) $(MAINOBJ) $(AOBJS) $(COBJS) $(LDFLAGS) |
| | | |
| | | clean: |
| | | rm -f $(BIN) $(AOBJS) $(COBJS) $(MAINOBJ) |
| | | |
| | | distclean: clean |
| | | rm -rf cscope* tags |
| | | cd libs_lvgl && ./build.sh clean |
| | | |