Updates for ESP32C3

Processors/TFT_eSPI_ESP32.c

@@ -29,6 +29,7 @@
   // DMA SPA handle
   spi_device_handle_t dmaHAL;
   #ifdef CONFIG_IDF_TARGET_ESP32
+    #define DMA_CHANNEL 1
     #ifdef USE_HSPI_PORT
       spi_host_device_t spi_host = HSPI_HOST;
     #else // use VSPI port
@@ -36,9 +37,11 @@
     #endif
   #else
     #ifdef USE_HSPI_PORT
-      spi_host_device_t spi_host = (spi_host_device_t)1; // 1 scrambles display area!
+      #define DMA_CHANNEL 2
+      spi_host_device_t spi_host = (spi_host_device_t) DMA_CHANNEL; // Draws once then freezes
     #else // use FSPI port
-      spi_host_device_t spi_host = (spi_host_device_t)1; // 1 draws once then freezes
+      #define DMA_CHANNEL 1
+      spi_host_device_t spi_host = (spi_host_device_t) DMA_CHANNEL; // Draws once then freezes
     #endif
   #endif
 #endif
@@ -774,7 +777,7 @@ bool TFT_eSPI::initDMA(bool ctrl_cs)
     .pre_cb = 0, //dc_callback, //Callback to handle D/C line
     .post_cb = 0
   };
-  ret = spi_bus_initialize(spi_host, &buscfg, 1);
+  ret = spi_bus_initialize(spi_host, &buscfg, DMA_CHANNEL);
   ESP_ERROR_CHECK(ret);
   ret = spi_bus_add_device(spi_host, &devcfg, &dmaHAL);
   ESP_ERROR_CHECK(ret);

Processors/TFT_eSPI_ESP32.h

@@ -12,6 +12,23 @@
 #include "soc/spi_reg.h"
 #include "driver/spi_master.h"
 
+// Fix IDF problems with ESP32C3
+#if CONFIG_IDF_TARGET_ESP32C3
+  // Fix ESP32C3 IDF bug for missing definition
+  #ifndef REG_SPI_BASE
+    #define REG_SPI_BASE(i)     (DR_REG_SPI1_BASE + (((i)>1) ? (((i)* 0x1000) + 0x20000) : (((~(i)) & 1)* 0x1000 )))
+  #endif
+
+  // Fix ESP32C3 IDF bug for name change
+  #ifndef SPI_MOSI_DLEN_REG
+    #define SPI_MOSI_DLEN_REG(x) SPI_MS_DLEN_REG(x)
+  #endif
+
+  // Fix ESP32C3 specific register reference
+  #define out_w1tc out_w1tc.val
+  #define out_w1ts out_w1ts.val
+#endif
+
 // SUPPORT_TRANSACTIONS is mandatory for ESP32 so the hal mutex is toggled
 #if !defined (SUPPORT_TRANSACTIONS)
   #define SUPPORT_TRANSACTIONS

TFT_eSPI.h

@@ -16,7 +16,7 @@
 #ifndef _TFT_eSPIH_
 #define _TFT_eSPIH_
 
-#define TFT_ESPI_VERSION "2.3.83"
+#define TFT_ESPI_VERSION "2.3.84"
 
 // Bit level feature flags
 // Bit 0 set: viewport capability

library.json

@@ -1,6 +1,6 @@
 {
   "name": "TFT_eSPI",
-  "version": "2.3.83",
+  "version": "2.3.84",
   "keywords": "Arduino, tft, ePaper, display, Pico, RP2040, STM32, ESP8266, NodeMCU, ESP32, M5Stack, ILI9341, ST7735, ILI9163, S6D02A1, ILI9481, ILI9486, ILI9488, ST7789, RM68140, SSD1351, SSD1963, ILI9225, HX8357D",
   "description": "A TFT and ePaper SPI graphics library with optimisation for Raspberry Pi Pico, ESP8266, ESP32 and STM32",
   "repository":

library.properties

@@ -1,5 +1,5 @@
 name=TFT_eSPI
-version=2.3.83
+version=2.3.84
 author=Bodmer
 maintainer=Bodmer
 sentence=TFT graphics library for Arduino processors with performance optimisation for RP2040, STM32, ESP8266 and ESP32