introduce lua_api_name parameter when building the display table

keeps the API as before and gets rid of hw_spi vs sw_spi topics

app/include/u8g_config.h

@@ -23,14 +23,14 @@
 // Stick to the assignments to *_I2C and *_SPI tables.
 //
 // I2C based displays go into here:
-#define U8G_DISPLAY_TABLE_ENTRY(device, display)
+#define U8G_DISPLAY_TABLE_ENTRY(device, display, lua_api_name)
 #define U8G_DISPLAY_TABLE_I2C \
-    U8G_DISPLAY_TABLE_ENTRY(ssd1306_128x64_i2c, ssd1306_128x64)
+    U8G_DISPLAY_TABLE_ENTRY(ssd1306_128x64_i2c, ssd1306_128x64, ssd1306_128x64_i2c)
 
 // SPI based displays go into here:
 #define U8G_DISPLAY_TABLE_SPI \
-    U8G_DISPLAY_TABLE_ENTRY(ssd1306_128x64_hw_spi, ssd1306_128x64) \
+    U8G_DISPLAY_TABLE_ENTRY(ssd1306_128x64_hw_spi, ssd1306_128x64, ssd1306_128x64_spi)        \
-//    U8G_DISPLAY_TABLE_ENTRY(pcd8544_84x48_hw_spi, pcd8544_84x48)
+//    U8G_DISPLAY_TABLE_ENTRY(pcd8544_84x48_hw_spi, pcd8544_84x48, pcd8544_84x48_spi)
 #undef U8G_DISPLAY_TABLE_ENTRY
 //
 // ***************************************************************************

app/modules/u8g.c

@@ -986,9 +986,9 @@ static int lu8g_close_display( lua_State *L )
 //
 // I2C based devices will use this function template to implement the Lua binding.
 #undef U8G_DISPLAY_TABLE_ENTRY
-#define U8G_DISPLAY_TABLE_ENTRY(device, display)         \
+#define U8G_DISPLAY_TABLE_ENTRY(device, display, lua_api_name)          \
     uint8_t u8g_dev_ ## display ## _fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg); \
-    static int lu8g_ ## device( lua_State *L )                          \
+    static int lu8g_ ## lua_api_name( lua_State *L )                    \
     {                                                                   \
         unsigned addr = luaL_checkinteger( L, 1 );                      \
                                                                         \
@@ -1015,9 +1015,9 @@ U8G_DISPLAY_TABLE_I2C
 //
 // SPI based devices will use this function template to implement the Lua binding.
 #undef U8G_DISPLAY_TABLE_ENTRY
-#define U8G_DISPLAY_TABLE_ENTRY(device, display)                        \
+#define U8G_DISPLAY_TABLE_ENTRY(device, display, lua_api_name)          \
     uint8_t u8g_dev_ ## display ## _fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg); \
-    static int lu8g_ ## device( lua_State *L )                          \
+    static int lu8g_ ## lua_api_name( lua_State *L )                    \
     {                                                                   \
         unsigned cs = luaL_checkinteger( L, 1 );                        \
         if (cs == 0)                                                    \
@@ -1110,7 +1110,7 @@ static const LUA_REG_TYPE lu8g_display_map[] =
 const LUA_REG_TYPE lu8g_map[] = 
 {
 #undef U8G_DISPLAY_TABLE_ENTRY
-#define U8G_DISPLAY_TABLE_ENTRY(device, display) { LSTRKEY( #device ), LFUNCVAL ( lu8g_ ##device ) },
+#define U8G_DISPLAY_TABLE_ENTRY(device, display, lua_api_name) { LSTRKEY( #lua_api_name ), LFUNCVAL ( lu8g_ ##lua_api_name ) },
     U8G_DISPLAY_TABLE_I2C
     U8G_DISPLAY_TABLE_SPI
 

lua_examples/u8glib/u8g_bitmaps.lua

@@ -1,3 +1,14 @@
+-- ***************************************************************************
+-- Bitmaps Test
+--
+-- This script executes the bitmap features of u8glib to test their Lua
+-- integration.
+--
+-- Note: It is prepared for SSD1306-based displays. Select your connectivity
+--       type by calling either init_i2c_display() or init_spi_display() at
+--       the bottom of this file.
+--
+-- ***************************************************************************
 
 -- setup I2c and connect display
 function init_i2c_display()
@@ -20,7 +31,7 @@ function init_spi_display()
      local res = 0 -- GPIO16
 
      spi.setup(1, spi.MASTER, spi.CPOL_LOW, spi.CPHA_LOW, spi.DATABITS_8, 0)
-     disp = u8g.ssd1306_128x64_hw_spi(cs, dc, res)
+     disp = u8g.ssd1306_128x64_spi(cs, dc, res)
 end
 
 

lua_examples/u8glib/u8g_graphics_test.lua

@@ -1,3 +1,13 @@
+-- ***************************************************************************
+-- Graphics Test
+--
+-- This script executes several features of u8glib to test their Lua bindings.
+--
+-- Note: It is prepared for SSD1306-based displays. Select your connectivity
+--       type by calling either init_i2c_display() or init_spi_display() at
+--       the bottom of this file.
+--
+-- ***************************************************************************
 
 -- setup I2c and connect display
 function init_i2c_display()
@@ -20,7 +30,7 @@ function init_spi_display()
      local res = 0 -- GPIO16
 
      spi.setup(1, spi.MASTER, spi.CPOL_LOW, spi.CPHA_LOW, spi.DATABITS_8, 0)
-     disp = u8g.ssd1306_128x64_hw_spi(cs, dc, res)
+     disp = u8g.ssd1306_128x64_spi(cs, dc, res)
 end
 
 

lua_examples/u8glib/u8g_rotation.lua

@@ -1,3 +1,14 @@
+-- ***************************************************************************
+-- Rotation Test
+--
+-- This script executes the rotation features of u8glib to test their Lua
+-- integration.
+--
+-- Note: It is prepared for SSD1306-based displays. Select your connectivity
+--       type by calling either init_i2c_display() or init_spi_display() at
+--       the bottom of this file.
+--
+-- ***************************************************************************
 
 -- setup I2c and connect display
 function init_i2c_display()
@@ -20,7 +31,7 @@ function init_spi_display()
      local res = 0 -- GPIO16
 
      spi.setup(1, spi.MASTER, spi.CPOL_LOW, spi.CPHA_LOW, spi.DATABITS_8, 0)
-     disp = u8g.ssd1306_128x64_hw_spi(cs, dc, res)
+     disp = u8g.ssd1306_128x64_spi(cs, dc, res)
 end