Merge branch 'master' into release/v2.x

.github/ISSUE_TEMPLATE/Issue-report.yml

@@ -41,6 +41,7 @@ body:
       options:
         - latest master (checkout manually)
         - latest development Release Candidate (RC-X)
+        - v2.0.8
         - v2.0.7
         - v2.0.6
         - v2.0.5 

.github/workflows/lib.json

@@ -19,9 +19,6 @@
         "name": "ESP32Servo",
         "exclude_targets": [],
         "sketch_path": [
-            "~/Arduino/libraries/ESP32Servo/examples/Knob/Knob.ino",
-            "~/Arduino/libraries/ESP32Servo/examples/Sweep/Sweep.ino",
-            "~/Arduino/libraries/ESP32Servo/examples/PWMExample/PWMExample.ino",
             "~/Arduino/libraries/ESP32Servo/examples/Multiple-Servo-Example-Arduino/Multiple-Servo-Example-Arduino.ino"
         ]
     },
@@ -51,5 +48,19 @@
         "sketch_path": [
             "~/Arduino/libraries/IRremote/examples/SendDemo/SendDemo.ino"
         ]
+    },
+    {
+        "name": "MFRC522",
+        "exclude_targets": [],
+        "sketch_path": [
+            "~/Arduino/libraries/MFRC522/examples/ReadUidMultiReader/ReadUidMultiReader.ino"
+        ]
+    },
+    {
+        "name": "WS2812FX",
+        "exclude_targets": [],
+        "sketch_path": [
+            "~/Arduino/libraries/WS2812FX/examples/ws2812fx_spi/ws2812fx_spi.ino"
+        ]
     }
 ]
\ No newline at end of file

cores/esp32/WString.h

@@ -34,8 +34,8 @@
 // A pure abstract class forward used as a means to proide a unique pointer type
 // but really is never defined.
 class __FlashStringHelper;
-#define FPSTR(pstr_pointer) (pstr_pointer)
-#define F(string_literal) (string_literal)
+#define FPSTR(pstr_pointer) (reinterpret_cast<const __FlashStringHelper *>(pstr_pointer))
+#define F(string_literal) (FPSTR(PSTR(string_literal)))
 
 // An inherited class for holding the result of a concatenation.  These
 // result objects are assumed to be writable by subsequent concatenations.

cores/esp32/esp32-hal-ledc.c

@@ -215,26 +215,32 @@ static int cnt_channel = LEDC_CHANNELS;
 static uint8_t analog_resolution = 8;
 static int analog_frequency = 1000;
 void analogWrite(uint8_t pin, int value) {
-  // Use ledc hardware for internal pins
-  if (pin < SOC_GPIO_PIN_COUNT) {
-    if (pin_to_channel[pin] == 0) {
-      if (!cnt_channel) {
-          log_e("No more analogWrite channels available! You can have maximum %u", LEDC_CHANNELS);
-          return;
-      }
-      if(ledcSetup(cnt_channel - 1, analog_frequency, analog_resolution) == 0){
-          log_e("analogWrite setup failed (freq = %u, resolution = %u). Try setting different resolution or frequency");
-          return;
-      }
-      ledcAttachPin(pin, cnt_channel - 1);
-      pin_to_channel[pin] = cnt_channel--;
+    // Use ledc hardware for internal pins
+    if (pin < SOC_GPIO_PIN_COUNT) {
+        int8_t channel = -1;
+        if (pin_to_channel[pin] == 0) {
+            if (!cnt_channel) {
+                log_e("No more analogWrite channels available! You can have maximum %u", LEDC_CHANNELS);
+                return;
+            }
+            cnt_channel--;
+            channel = cnt_channel;
+        } else {
+            channel = analogGetChannel(pin);
+        }
+        log_v("GPIO %d - Using Channel %d, Value = %d", pin, channel, value);
+        if(ledcSetup(channel, analog_frequency, analog_resolution) == 0){
+            log_e("analogWrite setup failed (freq = %u, resolution = %u). Try setting different resolution or frequency");
+            return;
+        }
+        ledcAttachPin(pin, channel);
+        pin_to_channel[pin] = channel;
+        ledcWrite(channel, value);
     }
-    ledcWrite(pin_to_channel[pin] - 1, value);
-  }
 }
 
 int8_t analogGetChannel(uint8_t pin) {
-    return pin_to_channel[pin] - 1;
+    return pin_to_channel[pin];
 }
 
 void analogWriteFrequency(uint32_t freq) {

libraries/ESP32/examples/Camera/CameraWebServer/CameraWebServer.ino

@@ -60,8 +60,8 @@ void setup() {
   config.pin_pclk = PCLK_GPIO_NUM;
   config.pin_vsync = VSYNC_GPIO_NUM;
   config.pin_href = HREF_GPIO_NUM;
-  config.pin_sscb_sda = SIOD_GPIO_NUM;
-  config.pin_sscb_scl = SIOC_GPIO_NUM;
+  config.pin_sccb_sda = SIOD_GPIO_NUM;
+  config.pin_sccb_scl = SIOC_GPIO_NUM;
   config.pin_pwdn = PWDN_GPIO_NUM;
   config.pin_reset = RESET_GPIO_NUM;
   config.xclk_freq_hz = 20000000;

libraries/WiFi/src/WiFiSTA.cpp

@@ -366,6 +366,22 @@ bool WiFiSTAClass::disconnect(bool wifioff, bool eraseap)
     return false;
 }
 
+/**
+ * @brief  Reset WiFi settings in NVS to default values.
+ * @return true if erase succeeded
+ * @note: Resets SSID, password, protocol, mode, etc.
+ * These settings are maintained by WiFi driver in IDF.
+ * WiFi driver must be initialized.
+ */
+bool WiFiSTAClass::eraseAP(void) {
+    if(WiFi.getMode()==WIFI_MODE_NULL) {
+        if(!WiFi.enableSTA(true))
+            return false;
+    }
+
+    return esp_wifi_restore()==ESP_OK;
+}
+
 /**
  * Change IP configuration settings disabling the dhcp client
  * @param local_ip   Static ip configuration

libraries/WiFi/src/WiFiSTA.h

@@ -53,6 +53,7 @@ public:
 
     bool reconnect();
     bool disconnect(bool wifioff = false, bool eraseap = false);
+    bool eraseAP(void);
 
     bool isConnected();