first attempt at ui
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Miguel Fuertes committed
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45c9f55473
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@@ -47,7 +47,7 @@ define Device/generic-mf68e
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CMDLINE := "earlycon console=ttyMSM0,115200 quiet loglevel=0 vt.global_cursor_default=0 vt.cur_default=0 root=/dev/mmcblk0p14 rootfstype=squashfs rootwait"
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DEVICE_PACKAGES := configs-mf68e wpad-basic-wolfssl rmtfs uci-usb-gadget \
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block-mount f2fs-tools prepare-rootfs-data \
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msm-firmware-dumper power-button-daemon kmod-fbtft-gc9107 display-monitor
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msm-firmware-dumper power-button-daemon kmod-fbtft-gc9107 display-monitor router-display
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endef
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TARGET_DEVICES += generic-mf68e
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@@ -0,0 +1,71 @@
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include $(TOPDIR)/rules.mk
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PKG_NAME:=router-display
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PKG_VERSION:=1.0
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PKG_RELEASE:=1
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PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
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PKG_QRGEN_NAME:=QR-Code-generator
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PKG_QRGEN_VERSION:=v1.8.0
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PKG_QRGEN_SOURCE:=$(PKG_QRGEN_VERSION).tar.gz
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PKG_QRGEN_URL:=https://github.com/nayuki/QR-Code-generator/archive/refs/tags
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PKG_QRGEN_HASH:=skip
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include $(INCLUDE_DIR)/package.mk
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define Package/router-display
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SECTION:=utils
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CATEGORY:=Utilities
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TITLE:=Framebuffer router status display
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DEPENDS:=+libfreetype +dejavu-fonts-ttf-DejaVuSansMono
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endef
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define Package/router-display/description
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Display router status on RGB565 framebuffer
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endef
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define Download/qrcodegen
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URL:=$(PKG_QRGEN_URL)
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FILE:=qrcodegen-$(PKG_QRGEN_VERSION).tar.gz
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URL_FILE:=$(PKG_QRGEN_VERSION).tar.gz
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HASH:=$(PKG_QRGEN_HASH)
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endef
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define Build/Prepare
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mkdir -p $(PKG_BUILD_DIR)
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# Copiar nuestro código
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$(CP) ./src/main.c $(PKG_BUILD_DIR)/
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# Descargar y extraer qrcodegen
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$(eval $(call Download,qrcodegen))
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tar -xzf $(DL_DIR)/qrcodegen-$(PKG_QRGEN_VERSION).tar.gz -C $(PKG_BUILD_DIR)
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# Copiar solo los archivos C necesarios
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$(CP) $(PKG_BUILD_DIR)/$(PKG_QRGEN_NAME)-*/c/qrcodegen.c $(PKG_BUILD_DIR)/
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$(CP) $(PKG_BUILD_DIR)/$(PKG_QRGEN_NAME)-*/c/qrcodegen.h $(PKG_BUILD_DIR)/
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endef
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define Build/Compile
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$(TARGET_CC) $(TARGET_CFLAGS) $(TARGET_CPPFLAGS) \
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-I$(STAGING_DIR)/usr/include/freetype2 \
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$(TARGET_LDFLAGS) \
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-o $(PKG_BUILD_DIR)/router-display \
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$(PKG_BUILD_DIR)/main.c \
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$(PKG_BUILD_DIR)/qrcodegen.c \
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-lfreetype -lm
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endef
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define Package/router-display/install
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$(INSTALL_DIR) $(1)/usr/bin
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$(INSTALL_BIN) $(PKG_BUILD_DIR)/router-display $(1)/usr/bin/
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# $(INSTALL_DIR) $(1)/etc/init.d
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# $(INSTALL_BIN) ./files/router-display.init $(1)/etc/init.d/router-display
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# $(INSTALL_DIR) $(1)/usr/sbin
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# $(INSTALL_BIN) ./files/update-display.sh $(1)/usr/sbin/update-display
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endef
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$(eval $(call BuildPackage,router-display))
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@@ -0,0 +1,40 @@
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┌────────────────────────────┐
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│ MF68E │
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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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│ ██ ██ ██ ██ ██ ██ │
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│ ██ ██ ████ ██ ██ │
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│ │
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│ │
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│ Orange ES 4G │
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│ ██████████████████░░░░ 85% │
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└────────────────────────────┘
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void draw_display() {
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// Hostname derecha
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draw_text("MF68E", 120, 2, FONT_10PX, ALIGN_RIGHT);
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// QR centrado: (128 - 96) / 2 = 16px offset
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draw_qr_code(16, 16, 96); // x=16 para centrar
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// Operador + Red
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draw_text("Orange ES", 2, 112, FONT_8PX, ALIGN_LEFT);
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draw_text("4G", 122, 112, FONT_8PX, ALIGN_RIGHT);
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// Batería
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char bar[32];
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int percent = get_battery_percent();
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int filled = 18 * percent / 100;
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for(int i = 0; i < filled; i++)
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bar[i] = 0x2588;
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for(int i = filled; i < 18; i++)
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bar[i] = 0x2591;
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sprintf(bar + 18, " %d%%", percent);
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draw_text(bar, 0, 120, FONT_8PX);
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}
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@@ -0,0 +1,241 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include <getopt.h>
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#include <unistd.h>
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#include "qrcodegen.h"
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#define WIDTH 128
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#define HEIGHT 128
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#define RGB565(r,g,b) (((r & 0xF8) << 8) | ((g & 0xFC) << 3) | ((b & 0xF8) >> 3))
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#define COLOR_WHITE RGB565(255, 255, 255)
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#define COLOR_BLACK RGB565(0, 0, 0)
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typedef struct {
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uint16_t data[WIDTH * HEIGHT];
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} Framebuffer;
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typedef struct {
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int battery;
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char operator[32];
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char network_type[8];
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char ssid[64];
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char password[64];
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char hostname[32];
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} DisplayConfig;
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void fb_init(Framebuffer *fb) {
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memset(fb->data, 0, sizeof(fb->data));
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}
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void fb_put_pixel(Framebuffer *fb, int x, int y, uint16_t color) {
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if (x >= 0 && x < WIDTH && y >= 0 && y < HEIGHT) {
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fb->data[y * WIDTH + x] = color;
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}
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}
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void fb_draw_rect(Framebuffer *fb, int x, int y, int w, int h, uint16_t color) {
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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fb_put_pixel(fb, x + i, y + j, color);
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}
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}
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}
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void fb_draw_char(Framebuffer *fb, FT_Face face, char c, int x, int y, int size) {
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FT_Set_Pixel_Sizes(face, 0, size);
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if (FT_Load_Char(face, c, FT_LOAD_RENDER)) {
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return;
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}
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FT_GlyphSlot slot = face->glyph;
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FT_Bitmap bitmap = slot->bitmap;
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for (unsigned int row = 0; row < bitmap.rows; row++) {
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for (unsigned int col = 0; col < bitmap.width; col++) {
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int px = x + slot->bitmap_left + col;
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int py = y - slot->bitmap_top + row;
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unsigned char gray = bitmap.buffer[row * bitmap.pitch + col];
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if (gray > 128) {
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fb_put_pixel(fb, px, py, COLOR_WHITE);
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}
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}
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}
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}
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void fb_draw_text(Framebuffer *fb, FT_Face face, const char *text, int x, int y, int size) {
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int pen_x = x;
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for (const char *p = text; *p; p++) {
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FT_Set_Pixel_Sizes(face, 0, size);
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if (FT_Load_Char(face, *p, FT_LOAD_RENDER)) {
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continue;
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}
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FT_GlyphSlot slot = face->glyph;
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FT_Bitmap bitmap = slot->bitmap;
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for (unsigned int row = 0; row < bitmap.rows; row++) {
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for (unsigned int col = 0; col < bitmap.width; col++) {
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int px = pen_x + slot->bitmap_left + col;
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int py = y - slot->bitmap_top + row;
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unsigned char gray = bitmap.buffer[row * bitmap.pitch + col];
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if (gray > 128) {
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fb_put_pixel(fb, px, py, COLOR_WHITE);
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}
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}
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}
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pen_x += slot->advance.x >> 6;
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}
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}
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void fb_draw_qr(Framebuffer *fb, const char *text, int x, int y, int size) {
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uint8_t qr_data[qrcodegen_BUFFER_LEN_MAX];
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uint8_t temp_buffer[qrcodegen_BUFFER_LEN_MAX];
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bool ok = qrcodegen_encodeText(text, temp_buffer, qr_data,
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qrcodegen_Ecc_LOW,
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qrcodegen_VERSION_MIN,
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qrcodegen_VERSION_MAX,
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qrcodegen_Mask_AUTO, true);
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if (!ok) {
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fprintf(stderr, "QR generation failed\n");
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return;
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}
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int qr_size = qrcodegen_getSize(qr_data);
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int module_size = size / qr_size;
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for (int row = 0; row < qr_size; row++) {
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for (int col = 0; col < qr_size; col++) {
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if (qrcodegen_getModule(qr_data, col, row)) {
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fb_draw_rect(fb,
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x + col * module_size,
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y + row * module_size,
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module_size, module_size,
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COLOR_WHITE);
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}
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}
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}
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}
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void generate_display(Framebuffer *fb, DisplayConfig *cfg, FT_Face face) {
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fb_init(fb);
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// 1. Hostname arriba derecha
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int text_w = strlen(cfg->hostname) * 6;
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fb_draw_text(fb, face, cfg->hostname, WIDTH - text_w - 2, 10, 9);
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// 2. QR WiFi centrado
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char wifi_qr[256];
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snprintf(wifi_qr, sizeof(wifi_qr),
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"WIFI:T:WPA;S:%s;P:%s;;", cfg->ssid, cfg->password);
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fb_draw_qr(fb, wifi_qr, 16, 16, 96);
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// 3. Operador + tipo red
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fb_draw_text(fb, face, cfg->operator, 2, 118, 8);
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int net_w = strlen(cfg->network_type) * 5;
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fb_draw_text(fb, face, cfg->network_type, WIDTH - net_w - 2, 118, 8);
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// 4. Barra batería
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char bar[64];
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int bar_chars = 18;
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int filled = (bar_chars * cfg->battery) / 100;
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for (int i = 0; i < filled; i++) {
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bar[i] = 0x2588; // █
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}
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for (int i = filled; i < bar_chars; i++) {
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bar[i] = 0x2591; // ░
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}
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sprintf(bar + bar_chars, " %d%%", cfg->battery);
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fb_draw_text(fb, face, bar, 0, 126, 8);
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}
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void print_usage(const char *prog) {
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fprintf(stderr, "Usage: %s [OPTIONS]\n", prog);
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fprintf(stderr, " -b NUM Battery (0-100)\n");
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fprintf(stderr, " -n NAME Operator name\n");
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fprintf(stderr, " -t TYPE Network type (4G, LTE)\n");
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fprintf(stderr, " -s SSID WiFi SSID\n");
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fprintf(stderr, " -p PASS WiFi password\n");
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fprintf(stderr, " -h HOST Hostname\n");
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}
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int main(int argc, char *argv[]) {
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DisplayConfig cfg = {
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.battery = 100,
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.operator = "Unknown",
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.network_type = "4G",
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.ssid = "WiFi",
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.password = "password",
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.hostname = "Router"
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};
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int opt;
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while ((opt = getopt(argc, argv, "b:n:t:s:p:h:")) != -1) {
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switch (opt) {
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case 'b': cfg.battery = atoi(optarg); break;
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case 'n': strncpy(cfg.operator, optarg, 31); break;
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case 't': strncpy(cfg.network_type, optarg, 7); break;
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case 's': strncpy(cfg.ssid, optarg, 63); break;
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case 'p': strncpy(cfg.password, optarg, 63); break;
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case 'h': strncpy(cfg.hostname, optarg, 31); break;
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default:
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print_usage(argv[0]);
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return 1;
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}
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}
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// Init FreeType
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FT_Library ft;
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if (FT_Init_FreeType(&ft)) {
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fprintf(stderr, "FreeType init failed\n");
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return 1;
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}
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FT_Face face;
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const char *fonts[] = {
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"/usr/share/fonts/dejavu/DejaVuSansMono.ttf",
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"/usr/share/fonts/truetype/dejavu/DejaVuSansMono.ttf",
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NULL
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};
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int found = 0;
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for (int i = 0; fonts[i]; i++) {
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if (FT_New_Face(ft, fonts[i], 0, &face) == 0) {
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found = 1;
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break;
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}
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}
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if (!found) {
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fprintf(stderr, "No font found\n");
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FT_Done_FreeType(ft);
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return 1;
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}
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// Generate
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Framebuffer fb;
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generate_display(&fb, &cfg, face);
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// Output raw RGB565
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fwrite(fb.data, sizeof(uint16_t), WIDTH * HEIGHT, stdout);
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// Cleanup
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FT_Done_Face(face);
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FT_Done_FreeType(ft);
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return 0;
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}
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@@ -0,0 +1,13 @@
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#!/bin/sh /etc/rc.common
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START=99
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STOP=10
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USE_PROCD=1
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start_service() {
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procd_open_instance
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procd_set_param command /bin/sh -c "while true; do /usr/sbin/update-display; sleep 30; done"
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procd_set_param respawn
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procd_close_instance
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}
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@@ -0,0 +1,16 @@
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#!/bin/sh
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BATTERY=$(cat /sys/class/power_supply/battery/capacity 2>/dev/null || echo 100)
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OPERATOR=$(uci get network.modem.operator 2>/dev/null || echo "Unknown")
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NETWORK="4G"
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SSID=$(uci get wireless.@wifi-iface[0].ssid 2>/dev/null || echo "WiFi")
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PASSWORD=$(uci get wireless.@wifi-iface[0].key 2>/dev/null || echo "")
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HOSTNAME=$(uci get system.@system[0].hostname 2>/dev/null || echo "Router")
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/usr/bin/router-display \
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-b "$BATTERY" \
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-n "$OPERATOR" \
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-t "$NETWORK" \
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-s "$SSID" \
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-p "$PASSWORD" \
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-h "$HOSTNAME" > /dev/fb0
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Reference in new issue
Block a user