Add esp-idf standalone support,

tested with esp-idf v5.0

CMakeLists.txt

@@ -3,10 +3,18 @@
 # MIT License
 
 cmake_minimum_required(VERSION 3.5)
+idf_build_get_property(target IDF_TARGET)
 
+if(ARDUINO_ARCH_ESP32)
+    list(APPEND arduino_build arduino Adafruit-GFX-Library)
+else()
+    list(APPEND esp_idf_build esp_lcd driver)
+endif()
 idf_component_register(SRCS "src/platforms/esp32/esp32_i2s_parallel_dma.cpp" "src/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp" "src/ESP32-HUB75-MatrixPanel-leddrivers.cpp"
-                       INCLUDE_DIRS "."
+                       src/platforms/${target}/gdma_lcd_parallel16.cpp
-                       REQUIRES arduino Adafruit-GFX-Library)
+                       INCLUDE_DIRS "./src" 
+                       PRIV_REQUIRES ${arduino_build} ${esp_idf_build}
+                       )
 
 # In case you are running into issues with "missing" header files from 3rd party libraries
 # you can add them to the REQUIRES section above. If you use some of the build options below
@@ -16,6 +24,15 @@ idf_component_register(SRCS "src/platforms/esp32/esp32_i2s_parallel_dma.cpp" "sr
 # target_compile_options(${COMPONENT_TARGET} PUBLIC -DUSE_GFX_ROOT)
 # target_compile_options(${COMPONENT_TARGET} PUBLIC -DNO_GFX)
 
+# esp-idf does not have any GFX library support yet, so we need to define NO_GFX
+if(ARDUINO_ARCH_ESP32)
+else()
+    target_compile_options(${COMPONENT_TARGET} PUBLIC -DNO_GFX)
+    if(${target} STREQUAL "esp32s3")
+        target_compile_options(${COMPONENT_TARGET} PUBLIC -DSPIRAM_FRAMEBUFFER)
+    endif()
+endif()
+
 # You can also use multiple options like this
 # target_compile_options(${COMPONENT_TARGET} PUBLIC -DNO_GFX -DNO_FAST_FUNCTIONS)
 

src/ESP32-HUB75-MatrixPanel-I2S-DMA.h

@@ -6,6 +6,7 @@
 #include <memory>
 #include <esp_err.h>
 #include <esp_log.h>
+#include "esp_attr.h"
 
 //#include <Arduino.h>
 #include "platforms/platform_detect.hpp"

src/ESP32-HUB75-MatrixPanel-leddrivers.cpp

@@ -3,10 +3,16 @@
 
 */
 
+#ifdef ARDUINO_ARCH_ESP32
   #include <Arduino.h>
+#else
+    #include <driver/gpio.h>
+    #define LOW 0
+    #define HIGH 1
+#endif
 #include "ESP32-HUB75-MatrixPanel-I2S-DMA.h"
 
-#define CLK_PULSE          digitalWrite(_cfg.gpio.clk, HIGH); digitalWrite(_cfg.gpio.clk, LOW);
+#define CLK_PULSE          gpio_set_level((gpio_num_t) _cfg.gpio.clk, HIGH); gpio_set_level((gpio_num_t) _cfg.gpio.clk, LOW);
 
 /**
  * @brief - pre-init procedures for specific led-drivers
@@ -43,52 +49,52 @@ void MatrixPanel_I2S_DMA::fm6124init(const HUB75_I2S_CFG& _cfg) {
     bool REG2[16] = {0,0,0,0,0, 0,0,0,0,1,0, 0,0,0,0,0};    // a single bit enables the matrix output
 
     for (uint8_t _pin:{_cfg.gpio.r1, _cfg.gpio.r2, _cfg.gpio.g1, _cfg.gpio.g2, _cfg.gpio.b1, _cfg.gpio.b2, _cfg.gpio.clk, _cfg.gpio.lat, _cfg.gpio.oe}){
-        pinMode(_pin, OUTPUT);
+        gpio_set_direction((gpio_num_t) _pin, GPIO_MODE_OUTPUT);
-        digitalWrite(_pin, LOW);
+        gpio_set_level((gpio_num_t) _pin, LOW);
     }
 
-    digitalWrite(_cfg.gpio.oe, HIGH); // Disable Display
+    gpio_set_level((gpio_num_t) _cfg.gpio.oe, HIGH); // Disable Display
 
     // Send Data to control register REG1
     // this sets the matrix brightness actually
     for (int l = 0; l < PIXELS_PER_ROW; l++){
         for (uint8_t _pin:{_cfg.gpio.r1, _cfg.gpio.r2, _cfg.gpio.g1, _cfg.gpio.g2, _cfg.gpio.b1, _cfg.gpio.b2})
-          digitalWrite(_pin, REG1[l%16]);   // we have 16 bits shifters and write the same value all over the matrix array
+          gpio_set_level((gpio_num_t) _pin, REG1[l%16]);   // we have 16 bits shifters and write the same value all over the matrix array
 
         if (l > PIXELS_PER_ROW - 12){         // pull the latch 11 clocks before the end of matrix so that REG1 starts counting to save the value
-            digitalWrite(_cfg.gpio.lat, HIGH);
+            gpio_set_level((gpio_num_t) _cfg.gpio.lat, HIGH);
         }
         CLK_PULSE
     }
 
     // drop the latch and save data to the REG1 all over the FM6124 chips
-    digitalWrite(_cfg.gpio.lat, LOW);
+    gpio_set_level((gpio_num_t) _cfg.gpio.lat, LOW);
 
     // Send Data to control register REG2 (enable LED output)
     for (int l = 0; l < PIXELS_PER_ROW; l++){
         for (uint8_t _pin:{_cfg.gpio.r1, _cfg.gpio.r2, _cfg.gpio.g1, _cfg.gpio.g2, _cfg.gpio.b1, _cfg.gpio.b2})
-          digitalWrite(_pin, REG2[l%16]);   // we have 16 bits shifters and we write the same value all over the matrix array
+          gpio_set_level((gpio_num_t) _pin, REG2[l%16]);   // we have 16 bits shifters and we write the same value all over the matrix array
 
         if (l > PIXELS_PER_ROW - 13){       // pull the latch 12 clocks before the end of matrix so that reg2 stars counting to save the value
-            digitalWrite(_cfg.gpio.lat, HIGH);
+            gpio_set_level((gpio_num_t) _cfg.gpio.lat, HIGH);
         }
         CLK_PULSE
     }
 
     // drop the latch and save data to the REG1 all over the FM6126 chips
-    digitalWrite(_cfg.gpio.lat, LOW);
+    gpio_set_level((gpio_num_t) _cfg.gpio.lat, LOW);
 
     // blank data regs to keep matrix clear after manipulations
     for (uint8_t _pin:{_cfg.gpio.r1, _cfg.gpio.r2, _cfg.gpio.g1, _cfg.gpio.g2, _cfg.gpio.b1, _cfg.gpio.b2})
-       digitalWrite(_pin, LOW);
+       gpio_set_level((gpio_num_t) _pin, LOW);
 
     for (int l = 0; l < PIXELS_PER_ROW; ++l){
         CLK_PULSE
     }
 
-    digitalWrite(_cfg.gpio.lat, HIGH);
+    gpio_set_level((gpio_num_t) _cfg.gpio.lat, HIGH);
     CLK_PULSE
-    digitalWrite(_cfg.gpio.lat, LOW);
+    gpio_set_level((gpio_num_t) _cfg.gpio.lat, LOW);
-    digitalWrite(_cfg.gpio.oe, LOW); // Enable Display
+    gpio_set_level((gpio_num_t) _cfg.gpio.oe, LOW); // Enable Display
     CLK_PULSE
 }

src/platforms/esp32s3/gdma_lcd_parallel16.cpp

@@ -19,8 +19,11 @@
 #if __has_include (<hal/lcd_ll.h>)
 // Stop compile errors: /src/platforms/esp32s3/gdma_lcd_parallel16.hpp:64:10: fatal error: hal/lcd_ll.h: No such file or directory
 
+#ifdef ARDUINO_ARCH_ESP32
   #include <Arduino.h>
+#endif
   #include "gdma_lcd_parallel16.hpp"
+  #include "esp_attr.h"
 
   static const char* TAG = "gdma_lcd_parallel16";
 
@@ -80,9 +83,9 @@
     esp_rom_delay_us(100);
 
 //    uint32_t lcd_clkm_div_num = ((160000000 + 1) / _cfg.bus_freq);
-     ESP_LOGI(TAG, "Cpu frequecny is %d", getCpuFrequencyMhz());
+     ESP_LOGI(TAG, "Cpu frequecny is %" PRIu16 "", CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ);
 
-     uint32_t lcd_clkm_div_num = (  ((getCpuFrequencyMhz()*1000000)+1) /  _cfg.bus_freq  ) / 4;
+     uint32_t lcd_clkm_div_num = (  ((CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ*1000000)+1) /  _cfg.bus_freq  ) / 4;
 
      //ESP_LOGI(TAG, "Clock divider is %d", lcd_clkm_div_num);     
 
@@ -378,7 +381,7 @@
 
       if ( _dmadesc_a_idx >= _dmadesc_count)
       {
-        ESP_LOGE(TAG, "Attempted to create more DMA descriptors than allocated. Expecting max %d descriptors.", _dmadesc_count);          
+        ESP_LOGE(TAG, "Attempted to create more DMA descriptors than allocated. Expecting max %" PRIu32 " descriptors.", _dmadesc_count);          
         return;
       }