Arduino 3.2.0 based on ESP-IDF v5.4

.github/workflows/push.yml

@@ -245,7 +245,7 @@ jobs:
         # See https://hub.docker.com/r/espressif/idf/tags and
         # https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/tools/idf-docker-image.html
         # for details.
-        idf_ver: ["release-v5.3"]
+        idf_ver: ["release-v5.4"]
         idf_target:
           [
             "esp32",

CMakeLists.txt

@@ -6,7 +6,7 @@
 #   idf.py build
 
 set(min_supported_idf_version "5.3.0")
-set(max_supported_idf_version "5.3.99")
+set(max_supported_idf_version "5.4.99")
 set(idf_version "${IDF_VERSION_MAJOR}.${IDF_VERSION_MINOR}.${IDF_VERSION_PATCH}")
 
 if ("${idf_version}" AND NOT "$ENV{ARDUINO_SKIP_IDF_VERSION_CHECK}")
@@ -33,6 +33,7 @@ set(CORE_SRCS
   cores/esp32/esp32-hal-dac.c
   cores/esp32/esp32-hal-gpio.c
   cores/esp32/esp32-hal-i2c.c
+  cores/esp32/esp32-hal-i2c-ng.c
   cores/esp32/esp32-hal-i2c-slave.c
   cores/esp32/esp32-hal-ledc.c
   cores/esp32/esp32-hal-matrix.c

cores/esp32/esp32-hal-i2c-slave.c

@@ -336,7 +336,11 @@ esp_err_t i2cSlaveInit(uint8_t num, int sda, int scl, uint16_t slaveID, uint32_t
 #endif  // !defined(CONFIG_IDF_TARGET_ESP32P4)
 
   i2c_ll_slave_init(i2c->dev);
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 4, 0)
+  i2c_ll_enable_fifo_mode(i2c->dev, true);
+#else
   i2c_ll_slave_set_fifo_mode(i2c->dev, true);
+#endif
   i2c_ll_set_slave_addr(i2c->dev, slaveID, false);
   i2c_ll_set_tout(i2c->dev, I2C_LL_MAX_TIMEOUT);
   i2c_slave_set_frequency(i2c, frequency);
@@ -357,7 +361,11 @@ esp_err_t i2cSlaveInit(uint8_t num, int sda, int scl, uint16_t slaveID, uint32_t
 
   i2c_ll_disable_intr_mask(i2c->dev, I2C_LL_INTR_MASK);
   i2c_ll_clear_intr_mask(i2c->dev, I2C_LL_INTR_MASK);
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 4, 0)
+  i2c_ll_enable_fifo_mode(i2c->dev, true);
+#else
   i2c_ll_slave_set_fifo_mode(i2c->dev, true);
+#endif
 
   if (!i2c->intr_handle) {
     uint32_t flags = ESP_INTR_FLAG_LOWMED | ESP_INTR_FLAG_SHARED;

cores/esp32/esp32-hal-i2c.c

@@ -15,6 +15,8 @@
 #include "esp32-hal-i2c.h"
 
 #if SOC_I2C_SUPPORTED
+#include "esp_idf_version.h"
+#if ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(5, 4, 0)
 #include "esp32-hal.h"
 #if !CONFIG_DISABLE_HAL_LOCKS
 #include "freertos/FreeRTOS.h"
@@ -429,4 +431,5 @@ esp_err_t i2cGetClock(uint8_t i2c_num, uint32_t *frequency) {
   return ESP_OK;
 }
 
+#endif /* ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(5, 4, 0) */
 #endif /* SOC_I2C_SUPPORTED */

idf_component.yml

@@ -44,7 +44,7 @@ files:
     - "platform.txt"
     - "programmers.txt"
 dependencies:
-  idf: ">=5.3,<5.4"
+  idf: ">=5.3,<5.5"
   # mdns 1.2.1 is necessary to build H2 with no WiFi
   espressif/mdns:
     version: "^1.2.3"

libraries/Ethernet/src/ETH.cpp

@@ -283,6 +283,9 @@ bool ETHClass::begin(eth_phy_type_t type, int32_t phy_addr, int mdc, int mdio, i
 
   esp_eth_phy_t *phy = NULL;
   switch (type) {
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 4, 0)
+    case ETH_PHY_GENERIC: phy = esp_eth_phy_new_generic(&phy_config); break;
+#endif
     case ETH_PHY_LAN8720: phy = esp_eth_phy_new_lan87xx(&phy_config); break;
     case ETH_PHY_TLK110:  phy = esp_eth_phy_new_ip101(&phy_config); break;
     case ETH_PHY_RTL8201: phy = esp_eth_phy_new_rtl8201(&phy_config); break;

libraries/Ethernet/src/ETH.h

@@ -23,6 +23,7 @@
 
 #ifndef _ETH_H_
 #define _ETH_H_
+#include "esp_idf_version.h"
 
 //
 // Example configurations for pins_arduino.h to allow starting with ETH.begin();
@@ -127,6 +128,10 @@ typedef emac_rmii_clock_mode_t eth_clock_mode_t;
 
 typedef enum {
 #if CONFIG_ETH_USE_ESP32_EMAC
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 4, 0)
+  ETH_PHY_GENERIC,
+#define ETH_PHY_JL1101 ETH_PHY_GENERIC
+#endif
   ETH_PHY_LAN8720,
   ETH_PHY_TLK110,
   ETH_PHY_RTL8201,

libraries/Wire/src/Wire.cpp

@@ -462,10 +462,11 @@ uint8_t TwoWire::endTransmission(bool sendStop) {
     nonStop = true;
   }
   switch (err) {
-    case ESP_OK:          return 0;
-    case ESP_FAIL:        return 2;
-    case ESP_ERR_TIMEOUT: return 5;
-    default:              break;
+    case ESP_OK:            return 0;
+    case ESP_FAIL:          return 2;
+    case ESP_ERR_NOT_FOUND: return 2;
+    case ESP_ERR_TIMEOUT:   return 5;
+    default:                break;
   }
   return 4;
 }
@@ -646,8 +647,16 @@ void TwoWire::onRequestService(uint8_t num, void *arg) {
 #endif /* SOC_I2C_SUPPORT_SLAVE */
 
 TwoWire Wire = TwoWire(0);
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 4, 0)
+#if SOC_I2C_NUM > 1
+TwoWire Wire1 = TwoWire(1);
+#elif SOC_I2C_NUM > 2
+TwoWire Wire2 = TwoWire(2);
+#endif /* SOC_I2C_NUM */
+#else
 #if SOC_HP_I2C_NUM > 1
 TwoWire Wire1 = TwoWire(1);
 #endif /* SOC_HP_I2C_NUM */
+#endif
 
 #endif /* SOC_I2C_SUPPORTED */

libraries/Wire/src/Wire.h

@@ -28,6 +28,7 @@
 
 #include "soc/soc_caps.h"
 #if SOC_I2C_SUPPORTED
+#include "esp_idf_version.h"
 
 #include <esp32-hal.h>
 #include <esp32-hal-log.h>
@@ -144,9 +145,17 @@ class TwoWire : public HardwareI2C {
 };
 
 extern TwoWire Wire;
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 4, 0)
+#if SOC_I2C_NUM > 1
+extern TwoWire Wire1;
+#elif SOC_I2C_NUM > 2
+extern TwoWire Wire2;
+#endif /* SOC_I2C_NUM */
+#else
 #if SOC_HP_I2C_NUM > 1
 extern TwoWire Wire1;
 #endif /* SOC_HP_I2C_NUM */
+#endif
 
 #endif /* SOC_I2C_SUPPORTED */
 #endif /* TwoWire_h */

variants/esp32c6/pins_arduino.h

@@ -32,4 +32,9 @@ static const uint8_t A4 = 4;
 static const uint8_t A5 = 5;
 static const uint8_t A6 = 6;
 
+// LP I2C Pins are fixed on ESP32-C6
+#define WIRE1_PIN_DEFINED
+static const uint8_t SDA1 = 6;
+static const uint8_t SCL1 = 7;
+
 #endif /* Pins_Arduino_h */