add:Support for luatos (https://github.com/openLuat/LuatOS)

csrc/u8g2.h

@@ -73,7 +73,7 @@
 
 /* always enable U8G2_16BIT on 32bit environments, see issue https://github.com/olikraus/u8g2/issues/1222 */
 #ifndef U8G2_16BIT
-#if defined(unix) || defined(__unix__) || defined(__arm__) || defined(__xtensa__) || defined(xtensa) || defined(__arc__) || defined(ESP8266) || defined(ESP_PLATFORM)
+#if defined(unix) || defined(__unix__) || defined(__arm__) || defined(__xtensa__) || defined(xtensa) || defined(__arc__) || defined(ESP8266) || defined(ESP_PLATFORM) || defined(__LUATOS__)
 #define U8G2_16BIT
 #endif
 #endif
@@ -86,6 +86,10 @@
  */
 //#define U8G2_USE_DYNAMIC_ALLOC
 
+/*
+  U8G2 uses the same static array
+ */
+// #define U8G2_USE_ONE_STATIC_BUFF
 
 /* U8g2 feature selection, see also https://github.com/olikraus/u8g2/wiki/u8g2optimization */
 
@@ -191,7 +195,7 @@
 
 /* the macro U8G2_USE_LARGE_FONTS enables large fonts (>32K) */
 /* it can be enabled for those uC supporting larger arrays */
-#if defined(unix) || defined(__unix__) || defined(__arm__) || defined(__arc__) || defined(ESP8266) || defined(ESP_PLATFORM)
+#if defined(unix) || defined(__unix__) || defined(__arm__) || defined(__arc__) || defined(ESP8266) || defined(ESP_PLATFORM) || defined(__LUATOS__)
 #ifndef U8G2_USE_LARGE_FONTS
 #define U8G2_USE_LARGE_FONTS
 #endif 

csrc/u8x8.h

@@ -194,6 +194,10 @@ uint8_t u8x8_pgm_read_esp(const uint8_t * addr);   /* u8x8_8x8.c */
 #define U8X8_USE_PINS
 #endif
 
+#ifdef __LUATOS__
+#define U8X8_USE_PINS
+#endif
+
 #if defined(__ARM_LINUX__) || defined(unix) || defined(__unix__) || defined(__unix)
 /* https://github.com/olikraus/u8g2/pull/1666 */
 #define U8X8_USE_PINS

sys/luatos/examples/main.lua

@@ -0,0 +1,124 @@
+--- 模块功能：u8g2demo
+-- @module u8g2
+-- @author Dozingfiretruck
+-- @release 2021.01.25
+
+--[[ 注意：如需使用u8g2的全中文字库需将 luat_base.h中26行#define USE_U8G2_WQY12_T_GB2312 打开]]
+
+-- LuaTools需要PROJECT和VERSION这两个信息
+PROJECT = "u8g2demo"
+VERSION = "1.0.1"
+
+log.info("main", PROJECT, VERSION)
+
+-- sys库是标配
+_G.sys = require("sys")
+
+--[[
+I2C0
+I2C0_SCL               (PA1)
+I2C0_SDA               (PA4)
+]]
+
+--添加硬狗防止程序卡死
+wdt.init(15000)--初始化watchdog设置为15s
+sys.timerLoopStart(wdt.feed, 10000)--10s喂一次狗
+
+-- 日志TAG, 非必须
+local TAG = "main"
+
+-- 初始化显示屏
+log.info(TAG, "init ssd1306")
+
+-- u8g2.begin({ic ="ssd1306",mode="i2c_sw", pin0=1, pin1=4}) -- 通过PA1 SLK/PA4 SDA模拟, 也可以用硬件i2c脚
+u8g2.begin({ic ="ssd1306", mode="i2c_hw", i2c_id=0, i2c_speed = i2c.FAST}) -- 硬件i2c
+--u8g2.begin({ic ="st7567",mode="spi_hw_4pin",spi_id=1,spi_res=19,spi_dc=17,cs=20})
+
+--u8g2.begin("ssd1306")
+u8g2.SetFontMode(1)
+u8g2.ClearBuffer()
+u8g2.SetFont(u8g2.font_opposansm8)
+u8g2.DrawUTF8("U8g2+LuatOS", 32, 22)
+u8g2.SetFont(u8g2.font_opposansm12_chinese)
+u8g2.DrawUTF8("中文测试", 40, 38)
+u8g2.SendBuffer()
+
+-- 联网主流程
+sys.taskInit(function()
+    sys.wait(2000)
+    u8g2.ClearBuffer()
+    u8g2.SetFont(u8g2.font_opposansm12_chinese)
+    u8g2.DrawUTF8("屏幕宽度", 20, 24)
+    u8g2.DrawUTF8("屏幕高度", 20, 42)
+    u8g2.SetFont(u8g2.font_opposansm8)
+    u8g2.DrawUTF8(":"..u8g2.GetDisplayWidth(), 72, 24)
+    u8g2.DrawUTF8(":"..u8g2.GetDisplayHeight(), 72, 42)
+    u8g2.SendBuffer()
+
+    sys.wait(2000)
+    u8g2.ClearBuffer()
+    u8g2.SetFont(u8g2.font_opposansm12_chinese)
+    u8g2.DrawUTF8("画线测试：", 30, 24)
+    for i = 0, 128, 8 do
+        u8g2.DrawLine(0,40,i,40)
+        u8g2.DrawLine(0,60,i,60)
+        u8g2.SendBuffer()
+    end
+
+    sys.wait(1000)
+    u8g2.ClearBuffer()
+    u8g2.SetFont(u8g2.font_opposansm12_chinese)
+    u8g2.DrawUTF8("画圆测试：", 30, 24)
+    u8g2.DrawCircle(30,50,10,15)
+    u8g2.DrawDisc(90,50,10,15)
+    u8g2.SendBuffer()
+
+    sys.wait(1000)
+    u8g2.ClearBuffer()
+    u8g2.SetFont(u8g2.font_opposansm12_chinese)
+    u8g2.DrawUTF8("椭圆测试：", 30, 24)
+    u8g2.DrawEllipse(30,50,6,10,15)
+    u8g2.DrawFilledEllipse(90,50,6,10,15)
+    u8g2.SendBuffer()
+
+    sys.wait(1000)
+    u8g2.ClearBuffer()
+    u8g2.SetFont(u8g2.font_opposansm12_chinese)
+    u8g2.DrawUTF8("方框测试：", 30, 24)
+    u8g2.DrawBox(30,40,30,24)
+    u8g2.DrawFrame(90,40,30,24)
+    u8g2.SendBuffer()
+
+    sys.wait(1000)
+    u8g2.ClearBuffer()
+    u8g2.SetFont(u8g2.font_opposansm12_chinese)
+    u8g2.DrawUTF8("圆角方框：", 30, 24)
+    u8g2.DrawRBox(30,40,30,24,8)
+    u8g2.DrawRFrame(90,40,30,24,8)
+    u8g2.SendBuffer()
+
+    sys.wait(1000)
+    u8g2.ClearBuffer()
+    u8g2.SetFont(u8g2.font_opposansm12_chinese)
+    u8g2.DrawUTF8("符号测试：", 30, 24)
+    u8g2.DrawUTF8("显示雪人", 30, 38)
+    u8g2.SetFont(u8g2.font_unifont_t_symbols)
+    u8g2.DrawGlyph( 50, 60, 0x2603 )
+    u8g2.SendBuffer()
+
+    sys.wait(1000)
+    u8g2.ClearBuffer()
+    u8g2.SetFont(u8g2.font_opposansm12_chinese)
+    u8g2.DrawUTF8("三角测试：", 30, 24)
+    u8g2.DrawTriangle(30,60, 60,30, 90,60)
+    u8g2.SendBuffer()
+
+    sys.wait(3000)
+    u8g2.close()
+    while true do
+        sys.wait(1000)
+    end
+end)
+
+-- 主循环, 必须加
+sys.run()

sys/luatos/port/luat_u8g2.h

@@ -0,0 +1,24 @@
+
+#include "luat_base.h"
+
+typedef struct luat_u8g2_conf
+{
+    size_t pinType; // I2C_SW = 1, I2C_HW = 2, SPI_SW_3PIN = 3, SPI_SW_4PIN = 4, SPI_HW_4PIN=5, P8080 = 6
+    size_t w;
+    size_t h;
+    size_t pin0;
+    size_t pin1;
+    size_t pin2;
+    size_t pin3;
+    size_t pin4;
+    size_t pin5;
+    size_t pin6;
+    size_t pin7;
+    char* cname; // 控制器名称, 例如SSD1306
+    void* ptr;
+} luat_u8g2_conf_t;
+
+int luat_u8g2_setup(luat_u8g2_conf_t *conf);
+
+int luat_u8g2_close(luat_u8g2_conf_t *conf);
+

sys/luatos/port/u8g2_luat_fonts.h

@@ -0,0 +1,47 @@
+
+#ifndef U8G2_LUAT_FONTS_H
+#define U8G2_LUAT_FONTS_H
+
+#include "u8x8.h"
+
+/*==========================================*/
+/* C++ compatible */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*==========================================*/
+
+
+/*==========================================*/
+
+/* start font list */
+
+extern const uint8_t u8g2_font_opposansm8[] U8G2_FONT_SECTION("u8g2_font_opposansm8");
+extern const uint8_t u8g2_font_opposansm10[] U8G2_FONT_SECTION("u8g2_font_opposansm10");
+extern const uint8_t u8g2_font_opposansm12[] U8G2_FONT_SECTION("u8g2_font_opposansm12");
+extern const uint8_t u8g2_font_opposansm16[] U8G2_FONT_SECTION("u8g2_font_opposansm16");
+extern const uint8_t u8g2_font_opposansm18[] U8G2_FONT_SECTION("u8g2_font_opposansm18");
+extern const uint8_t u8g2_font_opposansm20[] U8G2_FONT_SECTION("u8g2_font_opposansm20");
+extern const uint8_t u8g2_font_opposansm22[] U8G2_FONT_SECTION("u8g2_font_opposansm22");
+extern const uint8_t u8g2_font_opposansm24[] U8G2_FONT_SECTION("u8g2_font_opposansm24");
+extern const uint8_t u8g2_font_opposansm32[] U8G2_FONT_SECTION("u8g2_font_opposansm32");
+extern const uint8_t u8g2_font_opposansm12_chinese[] U8G2_FONT_SECTION("u8g2_font_opposansm12_chinese");
+extern const uint8_t u8g2_font_opposansm16_chinese[] U8G2_FONT_SECTION("u8g2_font_opposansm16_chinese");
+extern const uint8_t u8g2_font_opposansm24_chinese[] U8G2_FONT_SECTION("u8g2_font_opposansm24_chinese");
+extern const uint8_t u8g2_font_opposansm32_chinese[] U8G2_FONT_SECTION("u8g2_font_opposansm32_chinese");
+
+/* end font list */
+
+
+/*==========================================*/
+/* C++ compatible */
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif
+