Elecrow ESP32 HMI support and initial TFT display POC

.github/workflows/build.yaml

@@ -57,6 +57,10 @@ jobs:
           - heltec_esp32-wifi-lora-v2
           - wt32-eth01
           - esp32-c3-devkitc-02
+          - elecrow_esp32_hmi
+          - elecrow_esp32_hmi_dev
+          - openevse_wifi_tft_v1
+          - openevse_wifi_tft_v1_dev
         gui:
           - name: gui-v2
             repo: OpenEVSE/openevse-gui-v2

.gitignore

@@ -92,3 +92,4 @@ lib/MicroTasks
 *.bin
 divert_sim/epoxyfsdata
 divert_sim/epoxyeepromdata
+*.pem

openevse_16mb.csv

@@ -0,0 +1,7 @@
+# Name,   Type, SubType, Offset,  Size, Flags
+nvs,      data, nvs,     0x9000,  0x5000,
+otadata,  data, ota,     0xe000,  0x2000,
+app0,     app,  ota_0,   0x10000, 0x640000,
+app1,     app,  ota_1,   0x650000,0x640000,
+spiffs,   data, spiffs,  0xc90000,0x360000,
+coredump, data, coredump,0xFF0000,0x10000,

platformio.ini

@@ -65,6 +65,7 @@ debug_flags =
   #-D ENABLE_NOISY_PROFILE
   #-D ENABLE_DEBUG_MICROTASKS
   #-D ENABLE_DEBUG_ENERGY_METER
+  #-D ENABLE_DEBUG_MEMORY_MONITOR
 src_build_flags =
 #  -D ARDUINOJSON_USE_LONG_LONG
 #  -D ENABLE_ASYNC_WIFI_SCAN
@@ -99,11 +100,60 @@ build_flags =
   -D USE_ESP32
   -D USE_ESP32_FRAMEWORK_ARDUINO
   -D MG_MAX_HTTP_REQUEST_SIZE=8196
+build_flags_openevse_tft =
+  ${common.build_flags}
+  ${common.src_build_flags}
+  ${common.gfx_display_build_flags}
+  -D NEO_PIXEL_PIN=26
+  -D NEO_PIXEL_LENGTH=14
+  -D WIFI_PIXEL_NUMBER=1
+  -D WIFI_BUTTON=0
+  -D WIFI_BUTTON_PRESSED_STATE=LOW
 build_partitions = min_spiffs.csv
 build_partitions_debug = min_spiffs_debug.csv
+build_partitions_16mb = openevse_16mb.csv
 
 neopixel_lib = adafruit/Adafruit [email protected]
 
+gfx_display_libs =
+#  lvgl/[email protected]
+  bodmer/TFT_eSPI@^2.5.31
+  bitbank2/PNGdec@^1.0.1
+  SPI
+
+gfx_display_build_flags =
+#  -D LV_CONF_INCLUDE_SIMPLE
+#  -D LV_CONF_SUPPRESS_DEFINE_CHECK
+  -D USER_SETUP_LOADED
+  -D ILI9488_DRIVER
+  -D TFT_WIDTH=320
+  -D TFT_HEIGHT=480
+  -D TFT_BL=27
+  -D TFT_MISO=12
+  -D TFT_MOSI=13
+  -D TFT_SCLK=14
+  -D TFT_CS=15
+  -D TFT_DC=2
+  -D TFT_RST=-1
+  -D TOUCH_CS=33
+#  -D LOAD_GLCD
+#  -D LOAD_FONT2
+#  -D LOAD_FONT4
+#  -D LOAD_FONT6
+#  -D LOAD_FONT7
+#  -D LOAD_FONT8
+  -D LOAD_GFXFF
+#  -D SMOOTH_FONT
+#  -D SPI_FREQUENCY=15999999
+#  -D SPI_FREQUENCY=20000000
+#  -D SPI_FREQUENCY=27000000
+  -D SPI_FREQUENCY=40000000
+#  -D SPI_FREQUENCY=55000000
+#  -D SPI_FREQUENCY=65000000
+#  -D SPI_FREQUENCY=80000000
+  -D SPI_READ_FREQUENCY=20000000
+  -D SPI_TOUCH_FREQUENCY=600000
+  -D ENABLE_SCREEN_LCD_TFT
 
 [env]
 # specify exact Arduino ESP SDK version, requires platformio 3.5+ (curently dev version)
@@ -358,3 +408,53 @@ build_flags =
   -D NEO_PIXEL_PIN=8
   -D NEO_PIXEL_LENGTH=1
   -D WIFI_PIXEL_NUMBER=1
+
+[env:elecrow_esp32_hmi]
+board = denky32
+build_flags =
+  ${common.build_flags}
+  ${common.src_build_flags}
+  -D DEBUG_PORT=Serial
+  -D RAPI_PORT=Serial1
+  -D RX1=16
+  -D TX1=17
+lib_deps =
+  ${common.lib_deps}
+  ${common.gfx_display_libs}
+
+[env:elecrow_esp32_hmi_dev]
+extends = env:elecrow_esp32_hmi
+build_flags =
+  ${env:elecrow_esp32_hmi.build_flags}
+  ${common.debug_flags}
+  ${common.gfx_display_build_flags}
+upload_protocol = custom
+upload_command = curl -F firmware=@$SOURCE http://$UPLOAD_PORT/update
+#build_type = debug
+#board_build.partitions = ${common.build_partitions_debug}
+
+[env:openevse_wifi_tft_v1]
+board = denky32
+build_flags =
+  ${common.build_flags_openevse_tft}
+  -D DEBUG_PORT=Serial2
+  -D RAPI_PORT=Serial
+lib_deps =
+  ${common.lib_deps}
+  ${common.gfx_display_libs}
+  ${common.neopixel_lib}
+board_build.partitions = ${common.build_partitions_16mb}
+board_upload.flash_size = 16MB
+board_build.flash_mode = qio
+board_build.f_flash = 80000000L
+
+[env:openevse_wifi_tft_v1_dev]
+extends = env:openevse_wifi_tft_v1
+build_flags =
+  ${common.build_flags_openevse_tft}
+  ${common.debug_flags}
+  -D DEBUG_PORT=Serial
+  -D RAPI_PORT=Serial2
+#upload_protocol = custom
+#upload_command = curl -F firmware=@$SOURCE http://$UPLOAD_PORT/update
+build_type = debug

scripts/extra_script.py

@@ -102,20 +102,26 @@ def make_safe(file):
     for c in chars:
         if c in file:
             file = file.replace(c, "_")
-    
+
     return file
 
-def make_static(env, target, source):
+def make_static_web(env, target, source):
+    return make_static(env, target, source, "web_server", dist_dir)
+
+def make_static_lcd(env, target, source):
+    return make_static(env, target, source, "lcd_gui", lcd_gui_dir)
+
+def make_static(env, target, source, prefix, files_dir):
     output = ""
 
-    out_files = filtered_listdir(dist_dir)
+    out_files = filtered_listdir(files_dir)
 
     # include the files
     for out_file in out_files:
-        filename = "web_server."+make_safe(out_file)+".h"
+        filename = prefix+"."+make_safe(out_file)+".h"
         output += "#include \"{}\"\n".format(filename)
 
-    output += "StaticFile staticFiles[] = {\n"
+    output += "StaticFile "+prefix+"_static_files[] = {\n"
 
     for out_file in out_files:
         filetype = None
@@ -156,19 +162,19 @@ def make_static(env, target, source):
     with open(target_file, "w") as output_file:
         output_file.write(output)
 
-def process_html_app(source, dest, env):
-    web_server_static_files = join(dest, "web_server_static_files.h")
-    web_server_static = join(env.subst("$BUILD_DIR"), "src/web_server_static.cpp.o")
+def process_html_app(source, dest, env, prefix, static_func):
+    web_server_static_files = join(dest, prefix+"_static_files.h")
+    web_server_static = join(env.subst("$BUILD_DIR"), "src/"+prefix+"_static.cpp.o")
 
     files = filtered_listdir(source)
 
     for file in files:
         data_file = join(source, file)
-        header_file = join(dest, "web_server."+make_safe(file)+".h")
+        header_file = join(dest, prefix+"."+make_safe(file)+".h")
         env.Command(header_file, data_file, data_to_header)
         env.Depends(web_server_static_files, header_file)
 
-    env.Depends(web_server_static, env.Command(web_server_static_files, source, make_static))
+    env.Depends(web_server_static, env.Command(web_server_static_files, source, static_func))
 
 #
 # Generate Web app resources
@@ -177,7 +183,7 @@ def process_html_app(source, dest, env):
     headers_src = join(env.subst("$PROJECTSRC_DIR"), "web_static")
 
     gui_name = environ.get("GUI_NAME")
-    if gui_name in (None, ""): 
+    if gui_name in (None, ""):
         gui_name = "gui-v2"
 
     gui_dir = join(env.subst("$PROJECT_DIR"), gui_name)
@@ -189,7 +195,7 @@ def process_html_app(source, dest, env):
         # Check to see if the Node modules have been downloaded
         if(isdir(node_modules)):
             if(isdir(dist_dir)):
-                process_html_app(dist_dir, headers_src, env)
+                process_html_app(dist_dir, headers_src, env, "web_server", make_static_web)
             else:
                 print("Warning: GUI not built, run 'cd %s; npm run build'" % (gui_dir))
         else:
@@ -199,4 +205,9 @@ def process_html_app(source, dest, env):
 else:
   print("Warning: Node.JS and NPM required to update the UI")
 
+# LCD GUI files
+lcd_gui_dir = join(env.subst("$PROJECT_DIR"), "gui-tft")
+headers_src = join(env.subst("$PROJECTSRC_DIR"), "lcd_static")
+process_html_app(lcd_gui_dir, headers_src, env, "lcd_gui", make_static_lcd)
+
 print("PATH="+env['ENV']['PATH'])

src/embedded_files.cpp

@@ -0,0 +1,26 @@
+#if defined(ENABLE_DEBUG) && !defined(ENABLE_DEBUG_EMBEDDED_FILES)
+#undef ENABLE_DEBUG
+#endif
+
+#include "embedded_files.h"
+#include "emonesp.h"
+
+bool embedded_get_file(String filename, StaticFile *index, size_t length, StaticFile **file)
+{
+  DBUGF("Looking for %s", filename.c_str());
+
+  for(int i = 0; i < length; i++)
+  {
+    if(filename == index[i].filename)
+    {
+      DBUGF("Found %s %d@%p", index[i].filename, index[i].length, index[i].data);
+
+      if(file) {
+        *file = &index[i];
+      }
+      return true;
+    }
+  }
+
+  return false;
+}

src/embedded_files.h

@@ -0,0 +1,22 @@
+#ifndef EMBEDDED_FILES_H
+#define EMBEDDED_FILES_H
+
+#include <Arduino.h>
+
+#define ARRAY_LENGTH(x) (sizeof(x)/sizeof((x)[0]))
+
+#define IS_ALIGNED(x)   (0 == ((uint32_t)(x) & 0x3))
+
+struct StaticFile
+{
+  const char *filename;
+  const char *data;
+  size_t length;
+  const char *type;
+  const char *etag;
+  bool compressed;
+};
+
+bool embedded_get_file(String filename, StaticFile *index, size_t length, StaticFile **file);
+
+#endif // EMBEDDED_FILES_H

src/lcd.cpp

@@ -2,6 +2,8 @@
 #undef ENABLE_DEBUG
 #endif
 
+#ifndef ENABLE_SCREEN_LCD_TFT
+
 #include "emonesp.h"
 #include "lcd.h"
 #include "RapiSender.h"
@@ -734,3 +736,5 @@ void LcdTask::onButton(int long_press)
 }
 
 LcdTask lcd;
+
+#endif // ENABLE_SCREEN_LCD_TFT

src/lcd.h

@@ -6,12 +6,17 @@
 #define LCD_CLEAR_LINE    (1 << 0)
 #define LCD_DISPLAY_NOW   (1 << 1)
 
-#define LCD_MAX_LEN 16
-
 #ifndef LCD_DISPLAY_CHANGE_TIME
 #define LCD_DISPLAY_CHANGE_TIME (4 * 1000)
 #endif
 
+#if ENABLE_SCREEN_LCD_TFT
+// HACK: This should be done in a much more C++ way
+#include "lcd_tft.h"
+#else
+
+#define LCD_MAX_LEN 16
+
 #define LCD_CHAR_STOP       1
 #define LCD_CHAR_PLAY       2
 #define LCD_CHAR_LIGHTNING  3
@@ -151,6 +156,9 @@ class LcdTask : public MicroTasks::Task
     void display(const char *msg, int x, int y, int time, uint32_t flags);
 };
 
+#endif // ENABLE_SCREEN_LCD_TFT
+
 extern LcdTask lcd;
 
 #endif // __LCD_H
+